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G
Geth-Modification
Commit 706a1e55 authored by Péter Szilágyi's avatar Péter Szilágyi Committed by Felix Lange
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cmd/puppeth: your Ethereum private network manager (#13854)

parent 18bbe124
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build/ci.go
View file @ 706a1e55
......@@ -74,35 +74,40 @@ var (
executablePath("bootnode"),
executablePath("evm"),
executablePath("geth"),
executablePath("swarm"),
executablePath("puppeth"),
executablePath("rlpdump"),
executablePath("swarm"),
}
// A debian package is created for all executables listed here.
debExecutables = []debExecutable{
{
Name: "geth",
Description: "Ethereum CLI client.",
Name: "abigen",
Description: "Source code generator to convert Ethereum contract definitions into easy to use, compile-time type-safe Go packages.",
},
{
Name: "bootnode",
Description: "Ethereum bootnode.",
},
{
Name: "rlpdump",
Description: "Developer utility tool that prints RLP structures.",
},
{
Name: "evm",
Description: "Developer utility version of the EVM (Ethereum Virtual Machine) that is capable of running bytecode snippets within a configurable environment and execution mode.",
},
{
Name: "swarm",
Description: "Ethereum Swarm daemon and tools",
Name: "geth",
Description: "Ethereum CLI client.",
},
{
Name: "abigen",
Description: "Source code generator to convert Ethereum contract definitions into easy to use, compile-time type-safe Go packages.",
Name: "puppeth",
Description: "Ethereum private network manager.",
},
{
Name: "rlpdump",
Description: "Developer utility tool that prints RLP structures.",
},
{
Name: "swarm",
Description: "Ethereum Swarm daemon and tools",
},
}
......
cmd/faucet/faucet.go 0 → 100644
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cmd/faucet/faucet.html 0 → 100644
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>{{.Network}}: GitHub Faucet</title>
<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-noty/2.4.1/packaged/jquery.noty.packaged.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.18.0/moment.min.js"></script>
<style>
.vertical-center {
min-height: 100%;
min-height: 100vh;
display: flex;
align-items: center;
}
.progress {
position: relative;
}
.progress span {
position: absolute;
display: block;
width: 100%;
color: white;
}
pre {
padding: 6px;
margin: 0;
}
</style>
</head>
<body>
<div class="vertical-center">
<div class="container">
<div class="row" style="margin-bottom: 16px;">
<div class="col-lg-12">
<h1 style="text-align: center;"><i class="fa fa-bath" aria-hidden="true"></i> {{.Network}} GitHub Authenticated Faucet <i class="fa fa-github-alt" aria-hidden="true"></i></h1>
</div>
</div>
<div class="row">
<div class="col-lg-8 col-lg-offset-2">
<div class="input-group">
<input id="gist" type="text" class="form-control" placeholder="GitHub Gist URL containing your Ethereum address...">
<span class="input-group-btn">
<button class="btn btn-default" type="button" onclick="submit()">Give me Ether!</button>
</span>
</div>
</div>
</div>
<div class="row" style="margin-top: 32px;">
<div class="col-lg-6 col-lg-offset-3">
<div class="panel panel-small panel-default">
<div class="panel-body" style="padding: 0; overflow: auto; max-height: 300px;">
<table id="requests" class="table table-condensed" style="margin: 0;"></table>
</div>
<div class="panel-footer">
<table style="width: 100%"><tr>
<td style="text-align: center;"><i class="fa fa-rss" aria-hidden="true"></i> <span id="peers"></span> peers</td>
<td style="text-align: center;"><i class="fa fa-database" aria-hidden="true"></i> <span id="block"></span> blocks</td>
<td style="text-align: center;"><i class="fa fa-heartbeat" aria-hidden="true"></i> <span id="funds"></span> Ethers</td>
<td style="text-align: center;"><i class="fa fa-university" aria-hidden="true"></i> <span id="funded"></span> funded</td>
</tr></table>
</div>
</div>
</div>
</div>
<div class="row" style="margin-top: 32px;">
<div class="col-lg-12">
<h3>How does this work?</h3>
<p>This Ether faucet is running on the {{.Network}} network. To prevent malicious actors from exhausting all available funds or accumulating enough Ether to mount long running spam attacks, requests are tied to GitHub accounts. Anyone having a GitHub account may request funds within the permitted limit of <strong>{{.Amount}} Ether(s) / {{.Period}}</strong>.</p>
<p>To request funds, simply create a <a href="https://gist.github.com/" target="_about:blank">GitHub Gist</a> with your Ethereum address pasted into the contents (the file name doesn't matter), copy paste the gists URL into the above input box and fire away! You can track the current pending requests below the input field to see how much you have to wait until your turn comes.</p>
</div>
</div>
</div>
</div>
<script>
// Global variables to hold the current status of the faucet
var attempt = 0;
var server;
// Define the function that submits a gist url to the server
var submit = function() {
server.send(JSON.stringify({url: $("#gist")[0].value}));
};
// Define a method to reconnect upon server loss
var reconnect = function() {
if (attempt % 2 == 0) {
server = new WebSocket("wss://" + location.host + "/api");
} else {
server = new WebSocket("ws://" + location.host + "/api");
}
attempt++;
server.onmessage = function(event) {
var msg = JSON.parse(event.data);
if (msg === null) {
return;
}
if (msg.funds !== undefined) {
$("#funds").text(msg.funds);
}
if (msg.funded !== undefined) {
$("#funded").text(msg.funded);
}
if (msg.peers !== undefined) {
$("#peers").text(msg.peers);
}
if (msg.number !== undefined) {
$("#block").text(parseInt(msg.number, 16));
}
if (msg.error !== undefined) {
noty({layout: 'topCenter', text: msg.error, type: 'error'});
}
if (msg.success !== undefined) {
noty({layout: 'topCenter', text: msg.success, type: 'success'});
}
if (msg.requests !== undefined && msg.requests !== null) {
var content = "";
for (var i=0; i<msg.requests.length; i++) {
content += "<tr><td><div style=\"background: url('https://github.com/" + msg.requests[i].username + ".png?size=64'); background-size: cover; width:32px; height: 32px; border-radius: 4px;\"></div></td><td><pre>" + msg.requests[i].account + "</pre></td><td style=\"width: 100%; text-align: center; vertical-align: middle;\">" + moment.duration(moment(msg.requests[i].time).unix()-moment().unix(), 'seconds').humanize(true) + "</td></tr>";
}
$("#requests").html("<tbody>" + content + "</tbody>");
}
}
server.onclose = function() { setTimeout(reconnect, 3000); };
server.onerror = function() { setTimeout(reconnect, 3000); };
}
// Establish a websocket connection to the API server
reconnect();
</script>
</body>
</html>
cmd/faucet/website.go 0 → 100644
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cmd/puppeth/module.go 0 → 100644
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// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"encoding/json"
"errors"
"fmt"
"net"
"strconv"
"strings"
"time"
"github.com/ethereum/go-ethereum/log"
)
var (
// ErrServiceUnknown is returned when a service container doesn't exist.
ErrServiceUnknown = errors.New("service unknown")
// ErrServiceOffline is returned when a service container exists, but it is not
// running.
ErrServiceOffline = errors.New("service offline")
// ErrServiceUnreachable is returned when a service container is running, but
// seems to not respond to communication attempts.
ErrServiceUnreachable = errors.New("service unreachable")
// ErrNotExposed is returned if a web-service doesn't have an exposed port, nor
// a reverse-proxy in front of it to forward requests.
ErrNotExposed = errors.New("service not exposed, nor proxied")
)
// containerInfos is a heavily reduced version of the huge inspection dataset
// returned from docker inspect, parsed into a form easily usable by puppeth.
type containerInfos struct {
running bool // Flag whether the container is running currently
envvars map[string]string // Collection of environmental variables set on the container
portmap map[string]int // Port mapping from internal port/proto combos to host binds
volumes map[string]string // Volume mount points from container to host directories
}
// inspectContainer runs docker inspect against a running container
func inspectContainer(client *sshClient, container string) (*containerInfos, error) {
// Check whether there's a container running for the service
out, err := client.Run(fmt.Sprintf("docker inspect %s", container))
if err != nil {
return nil, ErrServiceUnknown
}
// If yes, extract various configuration options
type inspection struct {
State struct {
Running bool
}
Mounts []struct {
Source string
Destination string
}
Config struct {
Env []string
}
HostConfig struct {
PortBindings map[string][]map[string]string
}
}
var inspects []inspection
if err = json.Unmarshal(out, &inspects); err != nil {
return nil, err
}
inspect := inspects[0]
// Infos retrieved, parse the above into something meaningful
infos := &containerInfos{
running: inspect.State.Running,
envvars: make(map[string]string),
portmap: make(map[string]int),
volumes: make(map[string]string),
}
for _, envvar := range inspect.Config.Env {
if parts := strings.Split(envvar, "="); len(parts) == 2 {
infos.envvars[parts[0]] = parts[1]
}
}
for portname, details := range inspect.HostConfig.PortBindings {
if len(details) > 0 {
port, _ := strconv.Atoi(details[0]["HostPort"])
infos.portmap[portname] = port
}
}
for _, mount := range inspect.Mounts {
infos.volumes[mount.Destination] = mount.Source
}
return infos, err
}
// tearDown connects to a remote machine via SSH and terminates docker containers
// running with the specified name in the specified network.
func tearDown(client *sshClient, network string, service string, purge bool) ([]byte, error) {
// Tear down the running (or paused) container
out, err := client.Run(fmt.Sprintf("docker rm -f %s_%s_1", network, service))
if err != nil {
return out, err
}
// If requested, purge the associated docker image too
if purge {
return client.Run(fmt.Sprintf("docker rmi %s/%s", network, service))
}
return nil, nil
}
// resolve retrieves the hostname a service is running on either by returning the
// actual server name and port, or preferably an nginx virtual host if available.
func resolve(client *sshClient, network string, service string, port int) (string, error) {
// Inspect the service to get various configurations from it
infos, err := inspectContainer(client, fmt.Sprintf("%s_%s_1", network, service))
if err != nil {
return "", err
}
if !infos.running {
return "", ErrServiceOffline
}
// Container online, extract any environmental variables
if vhost := infos.envvars["VIRTUAL_HOST"]; vhost != "" {
return vhost, nil
}
return fmt.Sprintf("%s:%d", client.server, port), nil
}
// checkPort tries to connect to a remote host on a given
func checkPort(host string, port int) error {
log.Trace("Verifying remote TCP connectivity", "server", host, "port", port)
conn, err := net.DialTimeout("tcp", fmt.Sprintf("%s:%d", host, port), time.Second)
if err != nil {
return err
}
conn.Close()
return nil
}
cmd/puppeth/module_dashboard.go 0 → 100644
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cmd/puppeth/module_ethstats.go 0 → 100644
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// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bytes"
"fmt"
"math/rand"
"path/filepath"
"strings"
"text/template"
"github.com/ethereum/go-ethereum/log"
)
// ethstatsDockerfile is the Dockerfile required to build an ethstats backend
// and associated monitoring site.
var ethstatsDockerfile = `
FROM mhart/alpine-node:latest
RUN \
apk add --update git && \
git clone --depth=1 https://github.com/karalabe/eth-netstats && \
apk del git && rm -rf /var/cache/apk/* && \
\
cd /eth-netstats && npm install && npm install -g grunt-cli && grunt
WORKDIR /eth-netstats
EXPOSE 3000
RUN echo 'module.exports = {trusted: [{{.Trusted}}], banned: []};' > lib/utils/config.js
CMD ["npm", "start"]
`
// ethstatsComposefile is the docker-compose.yml file required to deploy and
// maintain an ethstats monitoring site.
var ethstatsComposefile = `
version: '2'
services:
ethstats:
build: .
image: {{.Network}}/ethstats{{if not .VHost}}
ports:
- "{{.Port}}:3000"{{end}}
environment:
- WS_SECRET={{.Secret}}{{if .VHost}}
- VIRTUAL_HOST={{.VHost}}{{end}}
restart: always
`
// deployEthstats deploys a new ethstats container to a remote machine via SSH,
// docker and docker-compose. If an instance with the specified network name
// already exists there, it will be overwritten!
func deployEthstats(client *sshClient, network string, port int, secret string, vhost string, trusted []string) ([]byte, error) {
// Generate the content to upload to the server
workdir := fmt.Sprintf("%d", rand.Int63())
files := make(map[string][]byte)
for i, address := range trusted {
trusted[i] = fmt.Sprintf("\"%s\"", address)
}
dockerfile := new(bytes.Buffer)
template.Must(template.New("").Parse(ethstatsDockerfile)).Execute(dockerfile, map[string]interface{}{
"Trusted": strings.Join(trusted, ", "),
})
files[filepath.Join(workdir, "Dockerfile")] = dockerfile.Bytes()
composefile := new(bytes.Buffer)
template.Must(template.New("").Parse(ethstatsComposefile)).Execute(composefile, map[string]interface{}{
"Network": network,
"Port": port,
"Secret": secret,
"VHost": vhost,
})
files[filepath.Join(workdir, "docker-compose.yaml")] = composefile.Bytes()
// Upload the deployment files to the remote server (and clean up afterwards)
if out, err := client.Upload(files); err != nil {
return out, err
}
defer client.Run("rm -rf " + workdir)
// Build and deploy the ethstats service
return nil, client.Stream(fmt.Sprintf("cd %s && docker-compose -p %s up -d --build", workdir, network))
}
// ethstatsInfos is returned from an ethstats status check to allow reporting
// various configuration parameters.
type ethstatsInfos struct {
host string
port int
secret string
config string
}
// String implements the stringer interface.
func (info *ethstatsInfos) String() string {
return fmt.Sprintf("host=%s, port=%d, secret=%s", info.host, info.port, info.secret)
}
// checkEthstats does a health-check against an ethstats server to verify whether
// it's running, and if yes, gathering a collection of useful infos about it.
func checkEthstats(client *sshClient, network string) (*ethstatsInfos, error) {
// Inspect a possible ethstats container on the host
infos, err := inspectContainer(client, fmt.Sprintf("%s_ethstats_1", network))
if err != nil {
return nil, err
}
if !infos.running {
return nil, ErrServiceOffline
}
// Resolve the port from the host, or the reverse proxy
port := infos.portmap["3000/tcp"]
if port == 0 {
if proxy, _ := checkNginx(client, network); proxy != nil {
port = proxy.port
}
}
if port == 0 {
return nil, ErrNotExposed
}
// Resolve the host from the reverse-proxy and configure the connection string
host := infos.envvars["VIRTUAL_HOST"]
if host == "" {
host = client.server
}
secret := infos.envvars["WS_SECRET"]
config := fmt.Sprintf("%s@%s", secret, host)
if port != 80 && port != 443 {
config += fmt.Sprintf(":%d", port)
}
// Run a sanity check to see if the port is reachable
if err = checkPort(host, port); err != nil {
log.Warn("Ethstats service seems unreachable", "server", host, "port", port, "err", err)
}
// Container available, assemble and return the useful infos
return &ethstatsInfos{
host: host,
port: port,
secret: secret,
config: config,
}, nil
}
cmd/puppeth/module_faucet.go 0 → 100644
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// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bytes"
"fmt"
"html/template"
"math/rand"
"path/filepath"
"strconv"
"strings"
"github.com/ethereum/go-ethereum/log"
)
// faucetDockerfile is the Dockerfile required to build an faucet container to
// grant crypto tokens based on GitHub authentications.
var faucetDockerfile = `
FROM alpine:latest
RUN mkdir /go
ENV GOPATH /go
RUN \
apk add --update git go make gcc musl-dev ca-certificates linux-headers && \
mkdir -p $GOPATH/src/github.com/ethereum && \
(cd $GOPATH/src/github.com/ethereum && git clone --depth=1 https://github.com/ethereum/go-ethereum) && \
go build -v github.com/ethereum/go-ethereum/cmd/faucet && \
apk del git go make gcc musl-dev linux-headers && \
rm -rf $GOPATH && rm -rf /var/cache/apk/*
ADD genesis.json /genesis.json
ADD account.json /account.json
ADD account.pass /account.pass
EXPOSE 8080
CMD [ \
"/faucet", "--genesis", "/genesis.json", "--network", "{{.NetworkID}}", "--bootnodes", "{{.Bootnodes}}", "--ethstats", "{{.Ethstats}}", \
"--ethport", "{{.EthPort}}", "--faucet.name", "{{.FaucetName}}", "--faucet.amount", "{{.FaucetAmount}}", "--faucet.minutes", "{{.FaucetMinutes}}", \
"--github.user", "{{.GitHubUser}}", "--github.token", "{{.GitHubToken}}", "--account.json", "/account.json", "--account.pass", "/account.pass" \
]`
// faucetComposefile is the docker-compose.yml file required to deploy and maintain
// a crypto faucet.
var faucetComposefile = `
version: '2'
services:
faucet:
build: .
image: {{.Network}}/faucet
ports:
- "{{.EthPort}}:{{.EthPort}}"{{if not .VHost}}
- "{{.ApiPort}}:8080"{{end}}
volumes:
- {{.Datadir}}:/root/.faucet
environment:
- ETH_PORT={{.EthPort}}
- ETH_NAME={{.EthName}}
- FAUCET_AMOUNT={{.FaucetAmount}}
- FAUCET_MINUTES={{.FaucetMinutes}}
- GITHUB_USER={{.GitHubUser}}
- GITHUB_TOKEN={{.GitHubToken}}{{if .VHost}}
- VIRTUAL_HOST={{.VHost}}
- VIRTUAL_PORT=8080{{end}}
restart: always
`
// deployFaucet deploys a new faucet container to a remote machine via SSH,
// docker and docker-compose. If an instance with the specified network name
// already exists there, it will be overwritten!
func deployFaucet(client *sshClient, network string, bootnodes []string, config *faucetInfos) ([]byte, error) {
// Generate the content to upload to the server
workdir := fmt.Sprintf("%d", rand.Int63())
files := make(map[string][]byte)
dockerfile := new(bytes.Buffer)
template.Must(template.New("").Parse(faucetDockerfile)).Execute(dockerfile, map[string]interface{}{
"NetworkID": config.node.network,
"Bootnodes": strings.Join(bootnodes, ","),
"Ethstats": config.node.ethstats,
"EthPort": config.node.portFull,
"GitHubUser": config.githubUser,
"GitHubToken": config.githubToken,
"FaucetName": strings.Title(network),
"FaucetAmount": config.amount,
"FaucetMinutes": config.minutes,
})
files[filepath.Join(workdir, "Dockerfile")] = dockerfile.Bytes()
composefile := new(bytes.Buffer)
template.Must(template.New("").Parse(faucetComposefile)).Execute(composefile, map[string]interface{}{
"Network": network,
"Datadir": config.node.datadir,
"VHost": config.host,
"ApiPort": config.port,
"EthPort": config.node.portFull,
"EthName": config.node.ethstats[:strings.Index(config.node.ethstats, ":")],
"GitHubUser": config.githubUser,
"GitHubToken": config.githubToken,
"FaucetAmount": config.amount,
"FaucetMinutes": config.minutes,
})
files[filepath.Join(workdir, "docker-compose.yaml")] = composefile.Bytes()
files[filepath.Join(workdir, "genesis.json")] = []byte(config.node.genesis)
files[filepath.Join(workdir, "account.json")] = []byte(config.node.keyJSON)
files[filepath.Join(workdir, "account.pass")] = []byte(config.node.keyPass)
// Upload the deployment files to the remote server (and clean up afterwards)
if out, err := client.Upload(files); err != nil {
return out, err
}
defer client.Run("rm -rf " + workdir)
// Build and deploy the faucet service
return nil, client.Stream(fmt.Sprintf("cd %s && docker-compose -p %s up -d --build", workdir, network))
}
// faucetInfos is returned from an faucet status check to allow reporting various
// configuration parameters.
type faucetInfos struct {
node *nodeInfos
host string
port int
amount int
minutes int
githubUser string
githubToken string
}
// String implements the stringer interface.
func (info *faucetInfos) String() string {
return fmt.Sprintf("host=%s, api=%d, eth=%d, amount=%d, minutes=%d, github=%s, ethstats=%s", info.host, info.port, info.node.portFull, info.amount, info.minutes, info.githubUser, info.node.ethstats)
}
// checkFaucet does a health-check against an faucet server to verify whether
// it's running, and if yes, gathering a collection of useful infos about it.
func checkFaucet(client *sshClient, network string) (*faucetInfos, error) {
// Inspect a possible faucet container on the host
infos, err := inspectContainer(client, fmt.Sprintf("%s_faucet_1", network))
if err != nil {
return nil, err
}
if !infos.running {
return nil, ErrServiceOffline
}
// Resolve the port from the host, or the reverse proxy
port := infos.portmap["8080/tcp"]
if port == 0 {
if proxy, _ := checkNginx(client, network); proxy != nil {
port = proxy.port
}
}
if port == 0 {
return nil, ErrNotExposed
}
// Resolve the host from the reverse-proxy and the config values
host := infos.envvars["VIRTUAL_HOST"]
if host == "" {
host = client.server
}
amount, _ := strconv.Atoi(infos.envvars["FAUCET_AMOUNT"])
minutes, _ := strconv.Atoi(infos.envvars["FAUCET_MINUTES"])
// Retrieve the funding account informations
var out []byte
keyJSON, keyPass := "", ""
if out, err = client.Run(fmt.Sprintf("docker exec %s_faucet_1 cat /account.json", network)); err == nil {
keyJSON = string(bytes.TrimSpace(out))
}
if out, err = client.Run(fmt.Sprintf("docker exec %s_faucet_1 cat /account.pass", network)); err == nil {
keyPass = string(bytes.TrimSpace(out))
}
// Run a sanity check to see if the port is reachable
if err = checkPort(host, port); err != nil {
log.Warn("Faucet service seems unreachable", "server", host, "port", port, "err", err)
}
// Container available, assemble and return the useful infos
return &faucetInfos{
node: &nodeInfos{
datadir: infos.volumes["/root/.faucet"],
portFull: infos.portmap[infos.envvars["ETH_PORT"]+"/tcp"],
ethstats: infos.envvars["ETH_NAME"],
keyJSON: keyJSON,
keyPass: keyPass,
},
host: host,
port: port,
amount: amount,
minutes: minutes,
githubUser: infos.envvars["GITHUB_USER"],
githubToken: infos.envvars["GITHUB_TOKEN"],
}, nil
}
cmd/puppeth/module_nginx.go 0 → 100644
View file @ 706a1e55
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bytes"
"fmt"
"html/template"
"math/rand"
"path/filepath"
"github.com/ethereum/go-ethereum/log"
)
// nginxDockerfile is theis the Dockerfile required to build an nginx reverse-
// proxy.
var nginxDockerfile = `FROM jwilder/nginx-proxy`
// nginxComposefile is the docker-compose.yml file required to deploy and maintain
// an nginx reverse-proxy. The proxy is responsible for exposing one or more HTTP
// services running on a single host.
var nginxComposefile = `
version: '2'
services:
nginx:
build: .
image: {{.Network}}/nginx
ports:
- "{{.Port}}:80"
volumes:
- /var/run/docker.sock:/tmp/docker.sock:ro
restart: always
`
// deployNginx deploys a new nginx reverse-proxy container to expose one or more
// HTTP services running on a single host. If an instance with the specified
// network name already exists there, it will be overwritten!
func deployNginx(client *sshClient, network string, port int) ([]byte, error) {
log.Info("Deploying nginx reverse-proxy", "server", client.server, "port", port)
// Generate the content to upload to the server
workdir := fmt.Sprintf("%d", rand.Int63())
files := make(map[string][]byte)
dockerfile := new(bytes.Buffer)
template.Must(template.New("").Parse(nginxDockerfile)).Execute(dockerfile, nil)
files[filepath.Join(workdir, "Dockerfile")] = dockerfile.Bytes()
composefile := new(bytes.Buffer)
template.Must(template.New("").Parse(nginxComposefile)).Execute(composefile, map[string]interface{}{
"Network": network,
"Port": port,
})
files[filepath.Join(workdir, "docker-compose.yaml")] = composefile.Bytes()
// Upload the deployment files to the remote server (and clean up afterwards)
if out, err := client.Upload(files); err != nil {
return out, err
}
defer client.Run("rm -rf " + workdir)
// Build and deploy the ethstats service
return nil, client.Stream(fmt.Sprintf("cd %s && docker-compose -p %s up -d --build", workdir, network))
}
// nginxInfos is returned from an nginx reverse-proxy status check to allow
// reporting various configuration parameters.
type nginxInfos struct {
port int
}
// String implements the stringer interface.
func (info *nginxInfos) String() string {
return fmt.Sprintf("port=%d", info.port)
}
// checkNginx does a health-check against an nginx reverse-proxy to verify whether
// it's running, and if yes, gathering a collection of useful infos about it.
func checkNginx(client *sshClient, network string) (*nginxInfos, error) {
// Inspect a possible nginx container on the host
infos, err := inspectContainer(client, fmt.Sprintf("%s_nginx_1", network))
if err != nil {
return nil, err
}
if !infos.running {
return nil, ErrServiceOffline
}
// Container available, assemble and return the useful infos
return &nginxInfos{
port: infos.portmap["80/tcp"],
}, nil
}
cmd/puppeth/module_node.go 0 → 100644
View file @ 706a1e55
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bytes"
"fmt"
"math/rand"
"path/filepath"
"strconv"
"strings"
"text/template"
"github.com/ethereum/go-ethereum/log"
)
// nodeDockerfile is the Dockerfile required to run an Ethereum node.
var nodeDockerfile = `
FROM ethereum/client-go:alpine-develop
ADD genesis.json /genesis.json
{{if .Unlock}}
ADD signer.json /signer.json
ADD signer.pass /signer.pass
{{end}}
RUN \
echo '/geth init /genesis.json' > geth.sh && \{{if .Unlock}}
echo 'mkdir -p /root/.ethereum/keystore/ && cp /signer.json /root/.ethereum/keystore/' >> geth.sh && \{{end}}
echo $'/geth --networkid {{.NetworkID}} --cache 512 --port {{.Port}} --maxpeers {{.Peers}} {{.LightFlag}} --ethstats \'{{.Ethstats}}\' {{if .Bootnodes}}--bootnodes {{.Bootnodes}}{{end}} {{if .Etherbase}}--etherbase {{.Etherbase}} --mine{{end}}{{if .Unlock}}--unlock 0 --password /signer.pass --mine{{end}}' >> geth.sh
ENTRYPOINT ["/bin/sh", "geth.sh"]
`
// nodeComposefile is the docker-compose.yml file required to deploy and maintain
// an Ethereum node (bootnode or miner for now).
var nodeComposefile = `
version: '2'
services:
{{.Type}}:
build: .
image: {{.Network}}/{{.Type}}
ports:
- "{{.FullPort}}:{{.FullPort}}"
- "{{.FullPort}}:{{.FullPort}}/udp"{{if .Light}}
- "{{.LightPort}}:{{.LightPort}}/udp"{{end}}
volumes:
- {{.Datadir}}:/root/.ethereum
environment:
- FULL_PORT={{.FullPort}}/tcp
- LIGHT_PORT={{.LightPort}}/udp
- TOTAL_PEERS={{.TotalPeers}}
- LIGHT_PEERS={{.LightPeers}}
- STATS_NAME={{.Ethstats}}
- MINER_NAME={{.Etherbase}}
restart: always
`
// deployNode deploys a new Ethereum node container to a remote machine via SSH,
// docker and docker-compose. If an instance with the specified network name
// already exists there, it will be overwritten!
func deployNode(client *sshClient, network string, bootnodes []string, config *nodeInfos) ([]byte, error) {
kind := "sealnode"
if config.keyJSON == "" && config.etherbase == "" {
kind = "bootnode"
bootnodes = make([]string, 0)
}
// Generate the content to upload to the server
workdir := fmt.Sprintf("%d", rand.Int63())
files := make(map[string][]byte)
lightFlag := ""
if config.peersLight > 0 {
lightFlag = fmt.Sprintf("--lightpeers=%d --lightserv=50", config.peersLight)
}
dockerfile := new(bytes.Buffer)
template.Must(template.New("").Parse(nodeDockerfile)).Execute(dockerfile, map[string]interface{}{
"NetworkID": config.network,
"Port": config.portFull,
"Peers": config.peersTotal,
"LightFlag": lightFlag,
"Bootnodes": strings.Join(bootnodes, ","),
"Ethstats": config.ethstats,
"Etherbase": config.etherbase,
"Unlock": config.keyJSON != "",
})
files[filepath.Join(workdir, "Dockerfile")] = dockerfile.Bytes()
composefile := new(bytes.Buffer)
template.Must(template.New("").Parse(nodeComposefile)).Execute(composefile, map[string]interface{}{
"Type": kind,
"Datadir": config.datadir,
"Network": network,
"FullPort": config.portFull,
"TotalPeers": config.peersTotal,
"Light": config.peersLight > 0,
"LightPort": config.portFull + 1,
"LightPeers": config.peersLight,
"Ethstats": config.ethstats[:strings.Index(config.ethstats, ":")],
"Etherbase": config.etherbase,
})
files[filepath.Join(workdir, "docker-compose.yaml")] = composefile.Bytes()
//genesisfile, _ := json.MarshalIndent(config.genesis, "", " ")
files[filepath.Join(workdir, "genesis.json")] = []byte(config.genesis)
if config.keyJSON != "" {
files[filepath.Join(workdir, "signer.json")] = []byte(config.keyJSON)
files[filepath.Join(workdir, "signer.pass")] = []byte(config.keyPass)
}
// Upload the deployment files to the remote server (and clean up afterwards)
if out, err := client.Upload(files); err != nil {
return out, err
}
defer client.Run("rm -rf " + workdir)
// Build and deploy the bootnode service
return nil, client.Stream(fmt.Sprintf("cd %s && docker-compose -p %s up -d --build", workdir, network))
}
// nodeInfos is returned from a boot or seal node status check to allow reporting
// various configuration parameters.
type nodeInfos struct {
genesis []byte
network int64
datadir string
ethstats string
portFull int
portLight int
enodeFull string
enodeLight string
peersTotal int
peersLight int
etherbase string
keyJSON string
keyPass string
}
// String implements the stringer interface.
func (info *nodeInfos) String() string {
discv5 := ""
if info.peersLight > 0 {
discv5 = fmt.Sprintf(", portv5=%d", info.portLight)
}
return fmt.Sprintf("port=%d%s, datadir=%s, peers=%d, lights=%d, ethstats=%s", info.portFull, discv5, info.datadir, info.peersTotal, info.peersLight, info.ethstats)
}
// checkNode does a health-check against an boot or seal node server to verify
// whether it's running, and if yes, whether it's responsive.
func checkNode(client *sshClient, network string, boot bool) (*nodeInfos, error) {
kind := "bootnode"
if !boot {
kind = "sealnode"
}
// Inspect a possible bootnode container on the host
infos, err := inspectContainer(client, fmt.Sprintf("%s_%s_1", network, kind))
if err != nil {
return nil, err
}
if !infos.running {
return nil, ErrServiceOffline
}
// Resolve a few types from the environmental variables
totalPeers, _ := strconv.Atoi(infos.envvars["TOTAL_PEERS"])
lightPeers, _ := strconv.Atoi(infos.envvars["LIGHT_PEERS"])
// Container available, retrieve its node ID and its genesis json
var out []byte
if out, err = client.Run(fmt.Sprintf("docker exec %s_%s_1 /geth --exec admin.nodeInfo.id attach", network, kind)); err != nil {
return nil, ErrServiceUnreachable
}
id := bytes.Trim(bytes.TrimSpace(out), "\"")
if out, err = client.Run(fmt.Sprintf("docker exec %s_%s_1 cat /genesis.json", network, kind)); err != nil {
return nil, ErrServiceUnreachable
}
genesis := bytes.TrimSpace(out)
keyJSON, keyPass := "", ""
if out, err = client.Run(fmt.Sprintf("docker exec %s_%s_1 cat /signer.json", network, kind)); err == nil {
keyJSON = string(bytes.TrimSpace(out))
}
if out, err = client.Run(fmt.Sprintf("docker exec %s_%s_1 cat /signer.pass", network, kind)); err == nil {
keyPass = string(bytes.TrimSpace(out))
}
// Run a sanity check to see if the devp2p is reachable
port := infos.portmap[infos.envvars["FULL_PORT"]]
if err = checkPort(client.server, port); err != nil {
log.Warn(fmt.Sprintf("%s devp2p port seems unreachable", strings.Title(kind)), "server", client.server, "port", port, "err", err)
}
// Assemble and return the useful infos
stats := &nodeInfos{
genesis: genesis,
datadir: infos.volumes["/root/.ethereum"],
portFull: infos.portmap[infos.envvars["FULL_PORT"]],
portLight: infos.portmap[infos.envvars["LIGHT_PORT"]],
peersTotal: totalPeers,
peersLight: lightPeers,
ethstats: infos.envvars["STATS_NAME"],
etherbase: infos.envvars["MINER_NAME"],
keyJSON: keyJSON,
keyPass: keyPass,
}
stats.enodeFull = fmt.Sprintf("enode://%s@%s:%d", id, client.address, stats.portFull)
if stats.portLight != 0 {
stats.enodeLight = fmt.Sprintf("enode://%s@%s:%d?discport=%d", id, client.address, stats.portFull, stats.portLight)
}
return stats, nil
}
cmd/puppeth/puppeth.go 0 → 100644
View file @ 706a1e55
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
// puppeth is a command to assemble and maintain private networks.
package main
import (
"math/rand"
"os"
"time"
"github.com/ethereum/go-ethereum/log"
"gopkg.in/urfave/cli.v1"
)
// main is just a boring entry point to set up the CLI app.
func main() {
app := cli.NewApp()
app.Name = "puppeth"
app.Usage = "assemble and maintain private Ethereum networks"
app.Flags = []cli.Flag{
cli.StringFlag{
Name: "network",
Usage: "name of the network to administer",
},
cli.IntFlag{
Name: "loglevel",
Value: 4,
Usage: "log level to emit to the screen",
},
}
app.Action = func(c *cli.Context) error {
// Set up the logger to print everything and the random generator
log.Root().SetHandler(log.LvlFilterHandler(log.Lvl(c.Int("loglevel")), log.StreamHandler(os.Stdout, log.TerminalFormat(true))))
rand.Seed(time.Now().UnixNano())
// Start the wizard and relinquish control
makeWizard(c.String("network")).run()
return nil
}
app.Run(os.Args)
}
cmd/puppeth/ssh.go 0 → 100644
View file @ 706a1e55
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"errors"
"fmt"
"io/ioutil"
"net"
"os"
"os/user"
"path/filepath"
"strings"
"syscall"
"github.com/ethereum/go-ethereum/log"
"golang.org/x/crypto/ssh"
"golang.org/x/crypto/ssh/terminal"
)
// sshClient is a small wrapper around Go's SSH client with a few utility methods
// implemented on top.
type sshClient struct {
server string // Server name or IP without port number
address string // IP address of the remote server
client *ssh.Client
logger log.Logger
}
// dial establishes an SSH connection to a remote node using the current user and
// the user's configured private RSA key.
func dial(server string) (*sshClient, error) {
// Figure out a label for the server and a logger
label := server
if strings.Contains(label, ":") {
label = label[:strings.Index(label, ":")]
}
logger := log.New("server", label)
logger.Debug("Attempting to establish SSH connection")
user, err := user.Current()
if err != nil {
return nil, err
}
// Configure the supported authentication methods (private key and password)
var auths []ssh.AuthMethod
path := filepath.Join(user.HomeDir, ".ssh", "id_rsa")
if buf, err := ioutil.ReadFile(path); err != nil {
log.Warn("No SSH key, falling back to passwords", "path", path, "err", err)
} else {
key, err := ssh.ParsePrivateKey(buf)
if err != nil {
log.Warn("Bad SSH key, falling back to passwords", "path", path, "err", err)
} else {
auths = append(auths, ssh.PublicKeys(key))
}
}
auths = append(auths, ssh.PasswordCallback(func() (string, error) {
fmt.Printf("What's the login password for %s at %s? (won't be echoed)\n> ", user.Username, server)
blob, err := terminal.ReadPassword(int(syscall.Stdin))
fmt.Println()
return string(blob), err
}))
// Resolve the IP address of the remote server
addr, err := net.LookupHost(label)
if err != nil {
return nil, err
}
if len(addr) == 0 {
return nil, errors.New("no IPs associated with domain")
}
// Try to dial in to the remote server
logger.Trace("Dialing remote SSH server", "user", user.Username, "key", path)
if !strings.Contains(server, ":") {
server += ":22"
}
client, err := ssh.Dial("tcp", server, &ssh.ClientConfig{User: user.Username, Auth: auths})
if err != nil {
return nil, err
}
// Connection established, return our utility wrapper
c := &sshClient{
server: label,
address: addr[0],
client: client,
logger: logger,
}
if err := c.init(); err != nil {
client.Close()
return nil, err
}
return c, nil
}
// init runs some initialization commands on the remote server to ensure it's
// capable of acting as puppeth target.
func (client *sshClient) init() error {
client.logger.Debug("Verifying if docker is available")
if out, err := client.Run("docker version"); err != nil {
if len(out) == 0 {
return err
}
return fmt.Errorf("docker configured incorrectly: %s", out)
}
client.logger.Debug("Verifying if docker-compose is available")
if out, err := client.Run("docker-compose version"); err != nil {
if len(out) == 0 {
return err
}
return fmt.Errorf("docker-compose configured incorrectly: %s", out)
}
return nil
}
// Close terminates the connection to an SSH server.
func (client *sshClient) Close() error {
return client.client.Close()
}
// Run executes a command on the remote server and returns the combined output
// along with any error status.
func (client *sshClient) Run(cmd string) ([]byte, error) {
// Establish a single command session
session, err := client.client.NewSession()
if err != nil {
return nil, err
}
defer session.Close()
// Execute the command and return any output
client.logger.Trace("Running command on remote server", "cmd", cmd)
return session.CombinedOutput(cmd)
}
// Stream executes a command on the remote server and streams all outputs into
// the local stdout and stderr streams.
func (client *sshClient) Stream(cmd string) error {
// Establish a single command session
session, err := client.client.NewSession()
if err != nil {
return err
}
defer session.Close()
session.Stdout = os.Stdout
session.Stderr = os.Stderr
// Execute the command and return any output
client.logger.Trace("Streaming command on remote server", "cmd", cmd)
return session.Run(cmd)
}
// Upload copied the set of files to a remote server via SCP, creating any non-
// existing folder in te mean time.
func (client *sshClient) Upload(files map[string][]byte) ([]byte, error) {
// Establish a single command session
session, err := client.client.NewSession()
if err != nil {
return nil, err
}
defer session.Close()
// Create a goroutine that streams the SCP content
go func() {
out, _ := session.StdinPipe()
defer out.Close()
for file, content := range files {
client.logger.Trace("Uploading file to server", "file", file, "bytes", len(content))
fmt.Fprintln(out, "D0755", 0, filepath.Dir(file)) // Ensure the folder exists
fmt.Fprintln(out, "C0644", len(content), filepath.Base(file)) // Create the actual file
out.Write(content) // Stream the data content
fmt.Fprint(out, "\x00") // Transfer end with \x00
fmt.Fprintln(out, "E") // Leave directory (simpler)
}
}()
return session.CombinedOutput("/usr/bin/scp -v -tr ./")
}
cmd/puppeth/wizard.go 0 → 100644
View file @ 706a1e55
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bufio"
"encoding/json"
"fmt"
"io/ioutil"
"math/big"
"os"
"path/filepath"
"sort"
"strconv"
"strings"
"syscall"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/log"
"golang.org/x/crypto/ssh/terminal"
)
// config contains all the configurations needed by puppeth that should be saved
// between sessions.
type config struct {
path string // File containing the configuration values
genesis *core.Genesis // Genesis block to cache for node deploys
bootFull []string // Bootnodes to always connect to by full nodes
bootLight []string // Bootnodes to always connect to by light nodes
ethstats string // Ethstats settings to cache for node deploys
Servers []string `json:"servers,omitempty"`
}
// flush dumps the contents of config to disk.
func (c config) flush() {
os.MkdirAll(filepath.Dir(c.path), 0755)
sort.Strings(c.Servers)
out, _ := json.MarshalIndent(c, "", " ")
if err := ioutil.WriteFile(c.path, out, 0644); err != nil {
log.Warn("Failed to save puppeth configs", "file", c.path, "err", err)
}
}
type wizard struct {
network string // Network name to manage
conf config // Configurations from previous runs
servers map[string]*sshClient // SSH connections to servers to administer
services map[string][]string // Ethereum services known to be running on servers
in *bufio.Reader // Wrapper around stdin to allow reading user input
}
// read reads a single line from stdin, trimming if from spaces.
func (w *wizard) read() string {
fmt.Printf("> ")
text, err := w.in.ReadString('\n')
if err != nil {
log.Crit("Failed to read user input", "err", err)
}
return strings.TrimSpace(text)
}
// readString reads a single line from stdin, trimming if from spaces, enforcing
// non-emptyness.
func (w *wizard) readString() string {
for {
fmt.Printf("> ")
text, err := w.in.ReadString('\n')
if err != nil {
log.Crit("Failed to read user input", "err", err)
}
if text = strings.TrimSpace(text); text != "" {
return text
}
}
}
// readDefaultString reads a single line from stdin, trimming if from spaces. If
// an empty line is entered, the default value is returned.
func (w *wizard) readDefaultString(def string) string {
for {
fmt.Printf("> ")
text, err := w.in.ReadString('\n')
if err != nil {
log.Crit("Failed to read user input", "err", err)
}
if text = strings.TrimSpace(text); text != "" {
return text
}
return def
}
}
// readInt reads a single line from stdin, trimming if from spaces, enforcing it
// to parse into an integer.
func (w *wizard) readInt() int {
for {
fmt.Printf("> ")
text, err := w.in.ReadString('\n')
if err != nil {
log.Crit("Failed to read user input", "err", err)
}
if text = strings.TrimSpace(text); text == "" {
continue
}
val, err := strconv.Atoi(strings.TrimSpace(text))
if err != nil {
log.Error("Invalid input, expected integer", "err", err)
continue
}
return val
}
}
// readDefaultInt reads a single line from stdin, trimming if from spaces, enforcing
// it to parse into an integer. If an empty line is entered, the default value is
// returned.
func (w *wizard) readDefaultInt(def int) int {
for {
fmt.Printf("> ")
text, err := w.in.ReadString('\n')
if err != nil {
log.Crit("Failed to read user input", "err", err)
}
if text = strings.TrimSpace(text); text == "" {
return def
}
val, err := strconv.Atoi(strings.TrimSpace(text))
if err != nil {
log.Error("Invalid input, expected integer", "err", err)
continue
}
return val
}
}
// readPassword reads a single line from stdin, trimming it from the trailing new
// line and returns it. The input will not be echoed.
func (w *wizard) readPassword() string {
for {
fmt.Printf("> ")
text, err := terminal.ReadPassword(int(syscall.Stdin))
if err != nil {
log.Crit("Failed to read password", "err", err)
}
fmt.Println()
return string(text)
}
}
// readAddress reads a single line from stdin, trimming if from spaces and converts
// it to an Ethereum address.
func (w *wizard) readAddress() *common.Address {
for {
// Read the address from the user
fmt.Printf("> 0x")
text, err := w.in.ReadString('\n')
if err != nil {
log.Crit("Failed to read user input", "err", err)
}
if text = strings.TrimSpace(text); text == "" {
return nil
}
// Make sure it looks ok and return it if so
if len(text) != 40 {
log.Error("Invalid address length, please retry")
continue
}
bigaddr, _ := new(big.Int).SetString(text, 16)
address := common.BigToAddress(bigaddr)
return &address
}
}
// readDefaultAddress reads a single line from stdin, trimming if from spaces and
// converts it to an Ethereum address. If an empty line is entered, the default
// value is returned.
func (w *wizard) readDefaultAddress(def common.Address) common.Address {
for {
// Read the address from the user
fmt.Printf("> 0x")
text, err := w.in.ReadString('\n')
if err != nil {
log.Crit("Failed to read user input", "err", err)
}
if text = strings.TrimSpace(text); text == "" {
return def
}
// Make sure it looks ok and return it if so
if len(text) != 40 {
log.Error("Invalid address length, please retry")
continue
}
bigaddr, _ := new(big.Int).SetString(text, 16)
return common.BigToAddress(bigaddr)
}
}
// readJSON reads a raw JSON message and returns it.
func (w *wizard) readJSON() string {
var blob json.RawMessage
for {
fmt.Printf("> ")
if err := json.NewDecoder(w.in).Decode(&blob); err != nil {
log.Error("Invalid JSON, please try again", "err", err)
continue
}
return string(blob)
}
}
cmd/puppeth/wizard_dashboard.go 0 → 100644
View file @ 706a1e55
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"fmt"
"github.com/ethereum/go-ethereum/log"
)
// deployDashboard queries the user for various input on deploying a web-service
// dashboard, after which is pushes the container.
func (w *wizard) deployDashboard() {
// Select the server to interact with
server := w.selectServer()
if server == "" {
return
}
client := w.servers[server]
// Retrieve any active dashboard configurations from the server
infos, err := checkDashboard(client, w.network)
if err != nil {
infos = &dashboardInfos{
port: 80,
host: client.server,
}
}
// Figure out which port to listen on
fmt.Println()
fmt.Printf("Which port should the dashboard listen on? (default = %d)\n", infos.port)
infos.port = w.readDefaultInt(infos.port)
// Figure which virtual-host to deploy the dashboard on
infos.host, err = w.ensureVirtualHost(client, infos.port, infos.host)
if err != nil {
log.Error("Failed to decide on dashboard host", "err", err)
return
}
// Port and proxy settings retrieved, figure out which services are available
available := make(map[string][]string)
for server, services := range w.services {
for _, service := range services {
available[service] = append(available[service], server)
}
}
listing := make(map[string]string)
for _, service := range []string{"ethstats", "explorer", "wallet", "faucet"} {
// Gather all the locally hosted pages of this type
var pages []string
for _, server := range available[service] {
client := w.servers[server]
if client == nil {
continue
}
// If there's a service running on the machine, retrieve it's port number
var port int
switch service {
case "ethstats":
if infos, err := checkEthstats(client, w.network); err == nil {
port = infos.port
}
case "faucet":
if infos, err := checkFaucet(client, w.network); err == nil {
port = infos.port
}
}
if page, err := resolve(client, w.network, service, port); err == nil && page != "" {
pages = append(pages, page)
}
}
// Promt the user to chose one, enter manually or simply not list this service
defLabel, defChoice := "don't list", len(pages)+2
if len(pages) > 0 {
defLabel, defChoice = pages[0], 1
}
fmt.Println()
fmt.Printf("Which %s service to list? (default = %s)\n", service, defLabel)
for i, page := range pages {
fmt.Printf(" %d. %s\n", i+1, page)
}
fmt.Printf(" %d. List external %s service\n", len(pages)+1, service)
fmt.Printf(" %d. Don't list any %s service\n", len(pages)+2, service)
choice := w.readDefaultInt(defChoice)
if choice < 0 || choice > len(pages)+2 {
log.Error("Invalid listing choice, aborting")
return
}
switch {
case choice <= len(pages):
listing[service] = pages[choice-1]
case choice == len(pages)+1:
fmt.Println()
fmt.Printf("Which address is the external %s service at?\n", service)
listing[service] = w.readString()
default:
// No service hosting for this
}
}
// If we have ethstats running, ask whether to make the secret public or not
var ethstats bool
if w.conf.ethstats != "" {
fmt.Println()
fmt.Println("Include ethstats secret on dashboard (y/n)? (default = yes)")
ethstats = w.readDefaultString("y") == "y"
}
// Try to deploy the dashboard container on the host
if out, err := deployDashboard(client, w.network, infos.port, infos.host, listing, &w.conf, ethstats); err != nil {
log.Error("Failed to deploy dashboard container", "err", err)
if len(out) > 0 {
fmt.Printf("%s\n", out)
}
return
}
// All ok, run a network scan to pick any changes up
w.networkStats(false)
}
cmd/puppeth/wizard_ethstats.go 0 → 100644
View file @ 706a1e55
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"fmt"
"github.com/ethereum/go-ethereum/log"
)
// deployEthstats queries the user for various input on deploying an ethstats
// monitoring server, after which it executes it.
func (w *wizard) deployEthstats() {
// Select the server to interact with
server := w.selectServer()
if server == "" {
return
}
client := w.servers[server]
// Retrieve any active ethstats configurations from the server
infos, err := checkEthstats(client, w.network)
if err != nil {
infos = &ethstatsInfos{
port: 80,
host: client.server,
secret: "",
}
}
// Figure out which port to listen on
fmt.Println()
fmt.Printf("Which port should ethstats listen on? (default = %d)\n", infos.port)
infos.port = w.readDefaultInt(infos.port)
// Figure which virtual-host to deploy ethstats on
if infos.host, err = w.ensureVirtualHost(client, infos.port, infos.host); err != nil {
log.Error("Failed to decide on ethstats host", "err", err)
return
}
// Port and proxy settings retrieved, figure out the secret and boot ethstats
fmt.Println()
if infos.secret == "" {
fmt.Printf("What should be the secret password for the API? (must not be empty)\n")
infos.secret = w.readString()
} else {
fmt.Printf("What should be the secret password for the API? (default = %s)\n", infos.secret)
infos.secret = w.readDefaultString(infos.secret)
}
// Try to deploy the ethstats server on the host
trusted := make([]string, 0, len(w.servers))
for _, client := range w.servers {
if client != nil {
trusted = append(trusted, client.address)
}
}
if out, err := deployEthstats(client, w.network, infos.port, infos.secret, infos.host, trusted); err != nil {
log.Error("Failed to deploy ethstats container", "err", err)
if len(out) > 0 {
fmt.Printf("%s\n", out)
}
return
}
// All ok, run a network scan to pick any changes up
w.networkStats(false)
}
cmd/puppeth/wizard_faucet.go 0 → 100644
View file @ 706a1e55
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"encoding/json"
"fmt"
"net/http"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/log"
)
// deployFaucet queries the user for various input on deploying a faucet, after
// which it executes it.
func (w *wizard) deployFaucet() {
// Select the server to interact with
server := w.selectServer()
if server == "" {
return
}
client := w.servers[server]
// Retrieve any active faucet configurations from the server
infos, err := checkFaucet(client, w.network)
if err != nil {
infos = &faucetInfos{
node: &nodeInfos{portFull: 30303, peersTotal: 25},
port: 80,
host: client.server,
amount: 1,
minutes: 1440,
}
}
infos.node.genesis, _ = json.MarshalIndent(w.conf.genesis, "", " ")
infos.node.network = w.conf.genesis.Config.ChainId.Int64()
// Figure out which port to listen on
fmt.Println()
fmt.Printf("Which port should the faucet listen on? (default = %d)\n", infos.port)
infos.port = w.readDefaultInt(infos.port)
// Figure which virtual-host to deploy ethstats on
if infos.host, err = w.ensureVirtualHost(client, infos.port, infos.host); err != nil {
log.Error("Failed to decide on faucet host", "err", err)
return
}
// Port and proxy settings retrieved, figure out the funcing amount per perdion configurations
fmt.Println()
fmt.Printf("How many Ethers to release per request? (default = %d)\n", infos.amount)
infos.amount = w.readDefaultInt(infos.amount)
fmt.Println()
fmt.Printf("How many minutes to enforce between requests? (default = %d)\n", infos.minutes)
infos.minutes = w.readDefaultInt(infos.minutes)
// Accessing GitHub gists requires API authorization, retrieve it
if infos.githubUser != "" {
fmt.Println()
fmt.Printf("Reused previous (%s) GitHub API authorization (y/n)? (default = yes)\n", infos.githubUser)
if w.readDefaultString("y") != "y" {
infos.githubUser, infos.githubToken = "", ""
}
}
if infos.githubUser == "" {
// No previous authorization (or new one requested)
fmt.Println()
fmt.Println("Which GitHub user to verify Gists through?")
infos.githubUser = w.readString()
fmt.Println()
fmt.Println("What is the GitHub personal access token of the user? (won't be echoed)")
infos.githubToken = w.readPassword()
// Do a sanity check query against github to ensure it's valid
req, _ := http.NewRequest("GET", "https://api.github.com/user", nil)
req.SetBasicAuth(infos.githubUser, infos.githubToken)
res, err := http.DefaultClient.Do(req)
if err != nil {
log.Error("Failed to verify GitHub authentication", "err", err)
return
}
defer res.Body.Close()
var msg struct {
Login string `json:"login"`
Message string `json:"message"`
}
if err = json.NewDecoder(res.Body).Decode(&msg); err != nil {
log.Error("Failed to decode authorization response", "err", err)
return
}
if msg.Login != infos.githubUser {
log.Error("GitHub authorization failed", "user", infos.githubUser, "message", msg.Message)
return
}
}
// Figure out where the user wants to store the persistent data
fmt.Println()
if infos.node.datadir == "" {
fmt.Printf("Where should data be stored on the remote machine?\n")
infos.node.datadir = w.readString()
} else {
fmt.Printf("Where should data be stored on the remote machine? (default = %s)\n", infos.node.datadir)
infos.node.datadir = w.readDefaultString(infos.node.datadir)
}
// Figure out which port to listen on
fmt.Println()
fmt.Printf("Which TCP/UDP port should the light client listen on? (default = %d)\n", infos.node.portFull)
infos.node.portFull = w.readDefaultInt(infos.node.portFull)
// Set a proper name to report on the stats page
fmt.Println()
if infos.node.ethstats == "" {
fmt.Printf("What should the node be called on the stats page?\n")
infos.node.ethstats = w.readString() + ":" + w.conf.ethstats
} else {
fmt.Printf("What should the node be called on the stats page? (default = %s)\n", infos.node.ethstats)
infos.node.ethstats = w.readDefaultString(infos.node.ethstats) + ":" + w.conf.ethstats
}
// Load up the credential needed to release funds
if infos.node.keyJSON != "" {
var key keystore.Key
if err := json.Unmarshal([]byte(infos.node.keyJSON), &key); err != nil {
infos.node.keyJSON, infos.node.keyPass = "", ""
} else {
fmt.Println()
fmt.Printf("Reuse previous (%s) funding account (y/n)? (default = yes)\n", key.Address.Hex())
if w.readDefaultString("y") != "y" {
infos.node.keyJSON, infos.node.keyPass = "", ""
}
}
}
if infos.node.keyJSON == "" {
fmt.Println()
fmt.Println("Please paste the faucet's funding account key JSON:")
infos.node.keyJSON = w.readJSON()
fmt.Println()
fmt.Println("What's the unlock password for the account? (won't be echoed)")
infos.node.keyPass = w.readPassword()
if _, err := keystore.DecryptKey([]byte(infos.node.keyJSON), infos.node.keyPass); err != nil {
log.Error("Failed to decrypt key with given passphrase")
return
}
}
// Try to deploy the faucet server on the host
if out, err := deployFaucet(client, w.network, w.conf.bootLight, infos); err != nil {
log.Error("Failed to deploy faucet container", "err", err)
if len(out) > 0 {
fmt.Printf("%s\n", out)
}
return
}
// All ok, run a network scan to pick any changes up
w.networkStats(false)
}
cmd/puppeth/wizard_genesis.go 0 → 100644
View file @ 706a1e55
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bytes"
"fmt"
"math/big"
"math/rand"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/params"
)
// makeGenesis creates a new genesis struct based on some user input.
func (w *wizard) makeGenesis() {
// Construct a default genesis block
genesis := &core.Genesis{
Timestamp: uint64(time.Now().Unix()),
GasLimit: 4700000,
Difficulty: big.NewInt(1048576),
Alloc: make(core.GenesisAlloc),
Config: &params.ChainConfig{
HomesteadBlock: big.NewInt(1),
EIP150Block: big.NewInt(2),
EIP155Block: big.NewInt(3),
EIP158Block: big.NewInt(3),
},
}
// Figure out which consensus engine to choose
fmt.Println()
fmt.Println("Which consensus engine to use? (default = clique)")
fmt.Println(" 1. Ethash - proof-of-work")
fmt.Println(" 2. Clique - proof-of-authority")
choice := w.read()
switch {
case choice == "1":
// In case of ethash, we're pretty much done
genesis.Config.Ethash = new(params.EthashConfig)
genesis.ExtraData = make([]byte, 32)
case choice == "" || choice == "2":
// In the case of clique, configure the consensus parameters
genesis.Difficulty = big.NewInt(1)
genesis.Config.Clique = &params.CliqueConfig{
Period: 15,
Epoch: 30000,
}
fmt.Println()
fmt.Println("How many seconds should blocks take? (default = 15)")
genesis.Config.Clique.Period = uint64(w.readDefaultInt(15))
// We also need the initial list of signers
fmt.Println()
fmt.Println("Which accounts are allowed to seal? (mandatory at least one)")
var signers []common.Address
for {
if address := w.readAddress(); address != nil {
signers = append(signers, *address)
continue
}
if len(signers) > 0 {
break
}
}
// Sort the signers and embed into the extra-data section
for i := 0; i < len(signers); i++ {
for j := i + 1; j < len(signers); j++ {
if bytes.Compare(signers[i][:], signers[j][:]) > 0 {
signers[i], signers[j] = signers[j], signers[i]
}
}
}
genesis.ExtraData = make([]byte, 32+len(signers)*common.AddressLength+65)
for i, signer := range signers {
copy(genesis.ExtraData[32+i*common.AddressLength:], signer[:])
}
default:
log.Crit("Invalid consensus engine choice", "choice", choice)
}
// Consensus all set, just ask for initial funds and go
fmt.Println()
fmt.Println("Which accounts should be pre-funded? (advisable at least one)")
for {
// Read the address of the account to fund
if address := w.readAddress(); address != nil {
genesis.Alloc[*address] = core.GenesisAccount{
Balance: new(big.Int).Lsh(big.NewInt(1), 256-7), // 2^256 / 128 (allow many pre-funds without balance overflows)
}
continue
}
break
}
// Add a batch of precompile balances to avoid them getting deleted
for i := int64(0); i < 256; i++ {
genesis.Alloc[common.BigToAddress(big.NewInt(i))] = core.GenesisAccount{Balance: big.NewInt(1)}
}
fmt.Println()
// Query the user for some custom extras
fmt.Println()
fmt.Println("Specify your chain/network ID if you want an explicit one (default = random)")
genesis.Config.ChainId = big.NewInt(int64(w.readDefaultInt(rand.Intn(65536))))
fmt.Println()
fmt.Println("Anything fun to embed into the genesis block? (max 32 bytes)")
extra := w.read()
if len(extra) > 32 {
extra = extra[:32]
}
genesis.ExtraData = append([]byte(extra), genesis.ExtraData[len(extra):]...)
// All done, store the genesis and flush to disk
w.conf.genesis = genesis
}
cmd/puppeth/wizard_intro.go 0 → 100644
View file @ 706a1e55
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bufio"
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"github.com/ethereum/go-ethereum/log"
)
// makeWizard creates and returns a new puppeth wizard.
func makeWizard(network string) *wizard {
return &wizard{
network: network,
servers: make(map[string]*sshClient),
services: make(map[string][]string),
in: bufio.NewReader(os.Stdin),
}
}
// run displays some useful infos to the user, starting on the journey of
// setting up a new or managing an existing Ethereum private network.
func (w *wizard) run() {
fmt.Println("+-----------------------------------------------------------+")
fmt.Println("| Welcome to puppeth, your Ethereum private network manager |")
fmt.Println("| |")
fmt.Println("| This tool lets you create a new Ethereum network down to |")
fmt.Println("| the genesis block, bootnodes, miners and ethstats servers |")
fmt.Println("| without the hassle that it would normally entail. |")
fmt.Println("| |")
fmt.Println("| Puppeth uses SSH to dial in to remote servers, and builds |")
fmt.Println("| its network components out of Docker containers using the |")
fmt.Println("| docker-compose toolset. |")
fmt.Println("+-----------------------------------------------------------+")
fmt.Println()
// Make sure we have a good network name to work with fmt.Println()
if w.network == "" {
fmt.Println("Please specify a network name to administer (no spaces, please)")
for {
w.network = w.readString()
if !strings.Contains(w.network, " ") {
fmt.Printf("Sweet, you can set this via --network=%s next time!\n\n", w.network)
break
}
log.Error("I also like to live dangerously, still no spaces")
}
}
log.Info("Administering Ethereum network", "name", w.network)
// Load initial configurations and connect to all live servers
w.conf.path = filepath.Join(os.Getenv("HOME"), ".puppeth", w.network)
blob, err := ioutil.ReadFile(w.conf.path)
if err != nil {
log.Warn("No previous configurations found", "path", w.conf.path)
} else if err := json.Unmarshal(blob, &w.conf); err != nil {
log.Crit("Previous configuration corrupted", "path", w.conf.path, "err", err)
} else {
for _, server := range w.conf.Servers {
log.Info("Dialing previously configured server", "server", server)
client, err := dial(server)
if err != nil {
log.Error("Previous server unreachable", "server", server, "err", err)
}
w.servers[server] = client
}
w.networkStats(false)
}
// Basics done, loop ad infinitum about what to do
for {
fmt.Println()
fmt.Println("What would you like to do? (default = stats)")
fmt.Println(" 1. Show network stats")
if w.conf.genesis == nil {
fmt.Println(" 2. Configure new genesis")
} else {
fmt.Println(" 2. Save existing genesis")
}
if len(w.servers) == 0 {
fmt.Println(" 3. Track new remote server")
} else {
fmt.Println(" 3. Manage tracked machines")
}
if len(w.services) == 0 {
fmt.Println(" 4. Deploy network components")
} else {
fmt.Println(" 4. Manage network components")
}
//fmt.Println(" 5. ProTips for common usecases")
choice := w.read()
switch {
case choice == "" || choice == "1":
w.networkStats(false)
case choice == "2":
// If we don't have a genesis, make one
if w.conf.genesis == nil {
w.makeGenesis()
} else {
// Otherwise just save whatever we currently have
fmt.Println()
fmt.Printf("Which file to save the genesis into? (default = %s.json)\n", w.network)
out, _ := json.MarshalIndent(w.conf.genesis, "", " ")
if err := ioutil.WriteFile(w.readDefaultString(fmt.Sprintf("%s.json", w.network)), out, 0644); err != nil {
log.Error("Failed to save genesis file", "err", err)
}
log.Info("Exported existing genesis block")
}
case choice == "3":
if len(w.servers) == 0 {
if w.makeServer() != "" {
w.networkStats(false)
}
} else {
w.manageServers()
}
case choice == "4":
if len(w.services) == 0 {
w.deployComponent()
} else {
w.manageComponents()
}
case choice == "5":
w.networkStats(true)
default:
log.Error("That's not something I can do")
}
}
}
cmd/puppeth/wizard_netstats.go 0 → 100644
View file @ 706a1e55
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"encoding/json"
"fmt"
"os"
"strings"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/log"
"github.com/olekukonko/tablewriter"
)
// networkStats verifies the status of network components and generates a protip
// configuration set to give users hints on how to do various tasks.
func (w *wizard) networkStats(tips bool) {
if len(w.servers) == 0 {
log.Error("No remote machines to gather stats from")
return
}
protips := new(protips)
// Iterate over all the specified hosts and check their status
stats := tablewriter.NewWriter(os.Stdout)
stats.SetHeader([]string{"Server", "IP", "Status", "Service", "Details"})
stats.SetColWidth(128)
for _, server := range w.conf.Servers {
client := w.servers[server]
logger := log.New("server", server)
logger.Info("Starting remote server health-check")
// If the server is not connected, try to connect again
if client == nil {
conn, err := dial(server)
if err != nil {
logger.Error("Failed to establish remote connection", "err", err)
stats.Append([]string{server, "", err.Error(), "", ""})
continue
}
client = conn
}
// Client connected one way or another, run health-checks
services := make(map[string]string)
logger.Debug("Checking for nginx availability")
if infos, err := checkNginx(client, w.network); err != nil {
if err != ErrServiceUnknown {
services["nginx"] = err.Error()
}
} else {
services["nginx"] = infos.String()
}
logger.Debug("Checking for ethstats availability")
if infos, err := checkEthstats(client, w.network); err != nil {
if err != ErrServiceUnknown {
services["ethstats"] = err.Error()
}
} else {
services["ethstats"] = infos.String()
protips.ethstats = infos.config
}
logger.Debug("Checking for bootnode availability")
if infos, err := checkNode(client, w.network, true); err != nil {
if err != ErrServiceUnknown {
services["bootnode"] = err.Error()
}
} else {
services["bootnode"] = infos.String()
protips.genesis = string(infos.genesis)
protips.bootFull = append(protips.bootFull, infos.enodeFull)
if infos.enodeLight != "" {
protips.bootLight = append(protips.bootLight, infos.enodeLight)
}
}
logger.Debug("Checking for sealnode availability")
if infos, err := checkNode(client, w.network, false); err != nil {
if err != ErrServiceUnknown {
services["sealnode"] = err.Error()
}
} else {
services["sealnode"] = infos.String()
protips.genesis = string(infos.genesis)
}
logger.Debug("Checking for faucet availability")
if infos, err := checkFaucet(client, w.network); err != nil {
if err != ErrServiceUnknown {
services["faucet"] = err.Error()
}
} else {
services["faucet"] = infos.String()
}
logger.Debug("Checking for dashboard availability")
if infos, err := checkDashboard(client, w.network); err != nil {
if err != ErrServiceUnknown {
services["dashboard"] = err.Error()
}
} else {
services["dashboard"] = infos.String()
}
// All status checks complete, report and check next server
delete(w.services, server)
for service := range services {
w.services[server] = append(w.services[server], service)
}
server, address := client.server, client.address
for service, status := range services {
stats.Append([]string{server, address, "online", service, status})
server, address = "", ""
}
if len(services) == 0 {
stats.Append([]string{server, address, "online", "", ""})
}
}
// If a genesis block was found, load it into our configs
if protips.genesis != "" {
genesis := new(core.Genesis)
if err := json.Unmarshal([]byte(protips.genesis), genesis); err != nil {
log.Error("Failed to parse remote genesis", "err", err)
} else {
w.conf.genesis = genesis
protips.network = genesis.Config.ChainId.Int64()
}
}
if protips.ethstats != "" {
w.conf.ethstats = protips.ethstats
}
w.conf.bootFull = protips.bootFull
w.conf.bootLight = protips.bootLight
// Print any collected stats and return
if !tips {
stats.Render()
} else {
protips.print(w.network)
}
}
// protips contains a collection of network infos to report pro-tips
// based on.
type protips struct {
genesis string
network int64
bootFull []string
bootLight []string
ethstats string
}
// print analyzes the network information available and prints a collection of
// pro tips for the user's consideration.
func (p *protips) print(network string) {
// If a known genesis block is available, display it and prepend an init command
fullinit, lightinit := "", ""
if p.genesis != "" {
fullinit = fmt.Sprintf("geth --datadir=$HOME/.%s init %s.json && ", network, network)
lightinit = fmt.Sprintf("geth --datadir=$HOME/.%s --light init %s.json && ", network, network)
}
// If an ethstats server is available, add the ethstats flag
statsflag := ""
if p.ethstats != "" {
if strings.Contains(p.ethstats, " ") {
statsflag = fmt.Sprintf(` --ethstats="yournode:%s"`, p.ethstats)
} else {
statsflag = fmt.Sprintf(` --ethstats=yournode:%s`, p.ethstats)
}
}
// If bootnodes have been specified, add the bootnode flag
bootflagFull := ""
if len(p.bootFull) > 0 {
bootflagFull = fmt.Sprintf(` --bootnodes %s`, strings.Join(p.bootFull, ","))
}
bootflagLight := ""
if len(p.bootLight) > 0 {
bootflagLight = fmt.Sprintf(` --bootnodes %s`, strings.Join(p.bootLight, ","))
}
// Assemble all the known pro-tips
var tasks, tips []string
tasks = append(tasks, "Run an archive node with historical data")
tips = append(tips, fmt.Sprintf("%sgeth --networkid=%d --datadir=$HOME/.%s --cache=1024%s%s", fullinit, p.network, network, statsflag, bootflagFull))
tasks = append(tasks, "Run a full node with recent data only")
tips = append(tips, fmt.Sprintf("%sgeth --networkid=%d --datadir=$HOME/.%s --cache=512 --fast%s%s", fullinit, p.network, network, statsflag, bootflagFull))
tasks = append(tasks, "Run a light node with on demand retrievals")
tips = append(tips, fmt.Sprintf("%sgeth --networkid=%d --datadir=$HOME/.%s --light%s%s", lightinit, p.network, network, statsflag, bootflagLight))
tasks = append(tasks, "Run an embedded node with constrained memory")
tips = append(tips, fmt.Sprintf("%sgeth --networkid=%d --datadir=$HOME/.%s --cache=32 --light%s%s", lightinit, p.network, network, statsflag, bootflagLight))
// If the tips are short, display in a table
short := true
for _, tip := range tips {
if len(tip) > 100 {
short = false
break
}
}
fmt.Println()
if short {
howto := tablewriter.NewWriter(os.Stdout)
howto.SetHeader([]string{"Fun tasks for you", "Tips on how to"})
howto.SetColWidth(100)
for i := 0; i < len(tasks); i++ {
howto.Append([]string{tasks[i], tips[i]})
}
howto.Render()
return
}
// Meh, tips got ugly, split into many lines
for i := 0; i < len(tasks); i++ {
fmt.Println(tasks[i])
fmt.Println(strings.Repeat("-", len(tasks[i])))
fmt.Println(tips[i])
fmt.Println()
fmt.Println()
}
}
cmd/puppeth/wizard_network.go 0 → 100644
View file @ 706a1e55
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"fmt"
"strings"
"github.com/ethereum/go-ethereum/log"
)
// manageServers displays a list of servers the user can disconnect from, and an
// option to connect to new servers.
func (w *wizard) manageServers() {
// List all the servers we can disconnect, along with an entry to connect a new one
fmt.Println()
for i, server := range w.conf.Servers {
fmt.Printf(" %d. Disconnect %s\n", i+1, server)
}
fmt.Printf(" %d. Connect another server\n", len(w.conf.Servers)+1)
choice := w.readInt()
if choice < 0 || choice > len(w.conf.Servers)+1 {
log.Error("Invalid server choice, aborting")
return
}
// If the user selected an existing server, drop it
if choice <= len(w.conf.Servers) {
server := w.conf.Servers[choice-1]
client := w.servers[server]
delete(w.servers, server)
if client != nil {
client.Close()
}
w.conf.Servers = append(w.conf.Servers[:choice-1], w.conf.Servers[choice:]...)
w.conf.flush()
log.Info("Disconnected existing server", "server", server)
w.networkStats(false)
return
}
// If the user requested connecting a new server, do it
if w.makeServer() != "" {
w.networkStats(false)
}
}
// makeServer reads a single line from stdin and interprets it as a hostname to
// connect to. It tries to establish a new SSH session and also executing some
// baseline validations.
//
// If connection succeeds, the server is added to the wizards configs!
func (w *wizard) makeServer() string {
fmt.Println()
fmt.Println("Please enter remote server's address:")
for {
// Read and fial the server to ensure docker is present
input := w.readString()
client, err := dial(input)
if err != nil {
log.Error("Server not ready for puppeth", "err", err)
return ""
}
// All checks passed, start tracking the server
w.servers[input] = client
w.conf.Servers = append(w.conf.Servers, input)
w.conf.flush()
return input
}
}
// selectServer lists the user all the currnetly known servers to choose from,
// also granting the option to add a new one.
func (w *wizard) selectServer() string {
// List the available server to the user and wait for a choice
fmt.Println()
fmt.Println("Which server do you want to interact with?")
for i, server := range w.conf.Servers {
fmt.Printf(" %d. %s\n", i+1, server)
}
fmt.Printf(" %d. Connect another server\n", len(w.conf.Servers)+1)
choice := w.readInt()
if choice < 0 || choice > len(w.conf.Servers)+1 {
log.Error("Invalid server choice, aborting")
return ""
}
// If the user requested connecting to a new server, go for it
if choice <= len(w.conf.Servers) {
return w.conf.Servers[choice-1]
}
return w.makeServer()
}
// manageComponents displays a list of network components the user can tear down
// and an option
func (w *wizard) manageComponents() {
// List all the componens we can tear down, along with an entry to deploy a new one
fmt.Println()
var serviceHosts, serviceNames []string
for server, services := range w.services {
for _, service := range services {
serviceHosts = append(serviceHosts, server)
serviceNames = append(serviceNames, service)
fmt.Printf(" %d. Tear down %s on %s\n", len(serviceHosts), strings.Title(service), server)
}
}
fmt.Printf(" %d. Deploy new network component\n", len(serviceHosts)+1)
choice := w.readInt()
if choice < 0 || choice > len(serviceHosts)+1 {
log.Error("Invalid component choice, aborting")
return
}
// If the user selected an existing service, destroy it
if choice <= len(serviceHosts) {
// Figure out the service to destroy and execute it
service := serviceNames[choice-1]
server := serviceHosts[choice-1]
client := w.servers[server]
if out, err := tearDown(client, w.network, service, true); err != nil {
log.Error("Failed to tear down component", "err", err)
if len(out) > 0 {
fmt.Printf("%s\n", out)
}
return
}
// Clean up any references to it from out state
services := w.services[server]
for i, name := range services {
if name == service {
w.services[server] = append(services[:i], services[i+1:]...)
if len(w.services[server]) == 0 {
delete(w.services, server)
}
}
}
log.Info("Torn down existing component", "server", server, "service", service)
return
}
// If the user requested deploying a new component, do it
w.deployComponent()
}
// deployComponent displays a list of network components the user can deploy and
// guides through the process.
func (w *wizard) deployComponent() {
// Print all the things we can deploy and wait or user choice
fmt.Println()
fmt.Println("What would you like to deploy? (recommended order)")
fmt.Println(" 1. Ethstats - Network monitoring tool")
fmt.Println(" 2. Bootnode - Entry point of the network")
fmt.Println(" 3. Sealer - Full node minting new blocks")
fmt.Println(" 4. Wallet - Browser wallet for quick sends (todo)")
fmt.Println(" 5. Faucet - Crypto faucet to give away funds")
fmt.Println(" 6. Dashboard - Website listing above web-services")
switch w.read() {
case "1":
w.deployEthstats()
case "2":
w.deployNode(true)
case "3":
w.deployNode(false)
case "4":
case "5":
w.deployFaucet()
case "6":
w.deployDashboard()
default:
log.Error("That's not something I can do")
}
}
cmd/puppeth/wizard_nginx.go 0 → 100644
View file @ 706a1e55
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"fmt"
"github.com/ethereum/go-ethereum/log"
)
// ensureVirtualHost checks whether a reverse-proxy is running on the specified
// host machine, and if yes requests a virtual host from the user to host a
// specific web service on. If no proxy exists, the method will offer to deploy
// one.
//
// If the user elects not to use a reverse proxy, an empty hostname is returned!
func (w *wizard) ensureVirtualHost(client *sshClient, port int, def string) (string, error) {
if proxy, _ := checkNginx(client, w.network); proxy != nil {
// Reverse proxy is running, if ports match, we need a virtual host
if proxy.port == port {
fmt.Println()
fmt.Printf("Shared port, which domain to assign? (default = %s)\n", def)
return w.readDefaultString(def), nil
}
}
// Reverse proxy is not running, offer to deploy a new one
fmt.Println()
fmt.Println("Allow sharing the port with other services (y/n)? (default = yes)")
if w.readDefaultString("y") == "y" {
if out, err := deployNginx(client, w.network, port); err != nil {
log.Error("Failed to deploy reverse-proxy", "err", err)
if len(out) > 0 {
fmt.Printf("%s\n", out)
}
return "", err
}
// Reverse proxy deployed, ask again for the virtual-host
fmt.Println()
fmt.Printf("Proxy deployed, which domain to assign? (default = %s)\n", def)
return w.readDefaultString(def), nil
}
// Reverse proxy not requested, deploy as a standalone service
return "", nil
}
cmd/puppeth/wizard_node.go 0 → 100644
View file @ 706a1e55
// Copyright 2017 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"encoding/json"
"fmt"
"time"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/log"
)
// deployNode creates a new node configuration based on some user input.
func (w *wizard) deployNode(boot bool) {
// Do some sanity check before the user wastes time on input
if w.conf.genesis == nil {
log.Error("No genesis block configured")
return
}
if w.conf.ethstats == "" {
log.Error("No ethstats server configured")
return
}
// Select the server to interact with
server := w.selectServer()
if server == "" {
return
}
client := w.servers[server]
// Retrieve any active ethstats configurations from the server
infos, err := checkNode(client, w.network, boot)
if err != nil {
if boot {
infos = &nodeInfos{portFull: 30303, peersTotal: 512, peersLight: 256}
} else {
infos = &nodeInfos{portFull: 30303, peersTotal: 50, peersLight: 0}
}
}
infos.genesis, _ = json.MarshalIndent(w.conf.genesis, "", " ")
infos.network = w.conf.genesis.Config.ChainId.Int64()
// Figure out where the user wants to store the persistent data
fmt.Println()
if infos.datadir == "" {
fmt.Printf("Where should data be stored on the remote machine?\n")
infos.datadir = w.readString()
} else {
fmt.Printf("Where should data be stored on the remote machine? (default = %s)\n", infos.datadir)
infos.datadir = w.readDefaultString(infos.datadir)
}
// Figure out which port to listen on
fmt.Println()
fmt.Printf("Which TCP/UDP port to listen on? (default = %d)\n", infos.portFull)
infos.portFull = w.readDefaultInt(infos.portFull)
// Figure out how many peers to allow (different based on node type)
fmt.Println()
fmt.Printf("How many peers to allow connecting? (default = %d)\n", infos.peersTotal)
infos.peersTotal = w.readDefaultInt(infos.peersTotal)
// Figure out how many light peers to allow (different based on node type)
fmt.Println()
fmt.Printf("How many light peers to allow connecting? (default = %d)\n", infos.peersLight)
infos.peersLight = w.readDefaultInt(infos.peersLight)
// Set a proper name to report on the stats page
fmt.Println()
if infos.ethstats == "" {
fmt.Printf("What should the node be called on the stats page?\n")
infos.ethstats = w.readString() + ":" + w.conf.ethstats
} else {
fmt.Printf("What should the node be called on the stats page? (default = %s)\n", infos.ethstats)
infos.ethstats = w.readDefaultString(infos.ethstats) + ":" + w.conf.ethstats
}
// If the node is a miner/signer, load up needed credentials
if !boot {
if w.conf.genesis.Config.Ethash != nil {
// Ethash based miners only need an etherbase to mine against
fmt.Println()
if infos.etherbase == "" {
fmt.Printf("What address should the miner user?\n")
for {
if address := w.readAddress(); address != nil {
infos.etherbase = address.Hex()
break
}
}
} else {
fmt.Printf("What address should the miner user? (default = %s)\n", infos.etherbase)
infos.etherbase = w.readDefaultAddress(common.HexToAddress(infos.etherbase)).Hex()
}
} else if w.conf.genesis.Config.Clique != nil {
// If a previous signer was already set, offer to reuse it
if infos.keyJSON != "" {
var key keystore.Key
if err := json.Unmarshal([]byte(infos.keyJSON), &key); err != nil {
infos.keyJSON, infos.keyPass = "", ""
} else {
fmt.Println()
fmt.Printf("Reuse previous (%s) signing account (y/n)? (default = yes)\n", key.Address.Hex())
if w.readDefaultString("y") != "y" {
infos.keyJSON, infos.keyPass = "", ""
}
}
}
// Clique based signers need a keyfile and unlock password, ask if unavailable
if infos.keyJSON == "" {
fmt.Println()
fmt.Println("Please paste the signer's key JSON:")
infos.keyJSON = w.readJSON()
fmt.Println()
fmt.Println("What's the unlock password for the account? (won't be echoed)")
infos.keyPass = w.readPassword()
if _, err := keystore.DecryptKey([]byte(infos.keyJSON), infos.keyPass); err != nil {
log.Error("Failed to decrypt key with given passphrase")
return
}
}
}
}
// Try to deploy the full node on the host
if out, err := deployNode(client, w.network, w.conf.bootFull, infos); err != nil {
log.Error("Failed to deploy Ethereum node container", "err", err)
if len(out) > 0 {
fmt.Printf("%s\n", out)
}
return
}
// All ok, run a network scan to pick any changes up
log.Info("Waiting for node to finish booting")
time.Sleep(3 * time.Second)
w.networkStats(false)
}
vendor/github.com/olekukonko/tablewriter/LICENCE.md 0 → 100644
View file @ 706a1e55
Copyright (C) 2014 by Oleku Konko
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
\ No newline at end of file
vendor/github.com/olekukonko/tablewriter/README.md 0 → 100644
View file @ 706a1e55
ASCII Table Writer
=========
[![Build Status](https://travis-ci.org/olekukonko/tablewriter.png?branch=master)](https://travis-ci.org/olekukonko/tablewriter) [![Total views](https://sourcegraph.com/api/repos/github.com/olekukonko/tablewriter/counters/views.png)](https://sourcegraph.com/github.com/olekukonko/tablewriter)
Generate ASCII table on the fly ... Installation is simple as
go get github.com/olekukonko/tablewriter
#### Features
- Automatic Padding
- Support Multiple Lines
- Supports Alignment
- Support Custom Separators
- Automatic Alignment of numbers & percentage
- Write directly to http , file etc via `io.Writer`
- Read directly from CSV file
- Optional row line via `SetRowLine`
- Normalise table header
- Make CSV Headers optional
- Enable or disable table border
- Set custom footer support
- Optional identical cells merging
#### Example 1 - Basic
```go
data := [][]string{
[]string{"A", "The Good", "500"},
[]string{"B", "The Very very Bad Man", "288"},
[]string{"C", "The Ugly", "120"},
[]string{"D", "The Gopher", "800"},
}
table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Name", "Sign", "Rating"})
for _, v := range data {
table.Append(v)
}
table.Render() // Send output
```
##### Output 1
```
+------+-----------------------+--------+
| NAME | SIGN | RATING |
+------+-----------------------+--------+
| A | The Good | 500 |
| B | The Very very Bad Man | 288 |
| C | The Ugly | 120 |
| D | The Gopher | 800 |
+------+-----------------------+--------+
```
#### Example 2 - Without Border / Footer / Bulk Append
```go
data := [][]string{
[]string{"1/1/2014", "Domain name", "2233", "$10.98"},
[]string{"1/1/2014", "January Hosting", "2233", "$54.95"},
[]string{"1/4/2014", "February Hosting", "2233", "$51.00"},
[]string{"1/4/2014", "February Extra Bandwidth", "2233", "$30.00"},
}
table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Date", "Description", "CV2", "Amount"})
table.SetFooter([]string{"", "", "Total", "$146.93"}) // Add Footer
table.SetBorder(false) // Set Border to false
table.AppendBulk(data) // Add Bulk Data
table.Render()
```
##### Output 2
```
DATE | DESCRIPTION | CV2 | AMOUNT
+----------+--------------------------+-------+---------+
1/1/2014 | Domain name | 2233 | $10.98
1/1/2014 | January Hosting | 2233 | $54.95
1/4/2014 | February Hosting | 2233 | $51.00
1/4/2014 | February Extra Bandwidth | 2233 | $30.00
+----------+--------------------------+-------+---------+
TOTAL | $146 93
+-------+---------+
```
#### Example 3 - CSV
```go
table, _ := tablewriter.NewCSV(os.Stdout, "test_info.csv", true)
table.SetAlignment(tablewriter.ALIGN_LEFT) // Set Alignment
table.Render()
```
##### Output 3
```
+----------+--------------+------+-----+---------+----------------+
| FIELD | TYPE | NULL | KEY | DEFAULT | EXTRA |
+----------+--------------+------+-----+---------+----------------+
| user_id | smallint(5) | NO | PRI | NULL | auto_increment |
| username | varchar(10) | NO | | NULL | |
| password | varchar(100) | NO | | NULL | |
+----------+--------------+------+-----+---------+----------------+
```
#### Example 4 - Custom Separator
```go
table, _ := tablewriter.NewCSV(os.Stdout, "test.csv", true)
table.SetRowLine(true) // Enable row line
// Change table lines
table.SetCenterSeparator("*")
table.SetColumnSeparator("‡")
table.SetRowSeparator("-")
table.SetAlignment(tablewriter.ALIGN_LEFT)
table.Render()
```
##### Output 4
```
*------------*-----------*---------*
╪ FIRST NAME ╪ LAST NAME ╪ SSN ╪
*------------*-----------*---------*
╪ John ╪ Barry ╪ 123456 ╪
*------------*-----------*---------*
╪ Kathy ╪ Smith ╪ 687987 ╪
*------------*-----------*---------*
╪ Bob ╪ McCornick ╪ 3979870 ╪
*------------*-----------*---------*
```
##### Example 5 - Markdown Format
```go
data := [][]string{
[]string{"1/1/2014", "Domain name", "2233", "$10.98"},
[]string{"1/1/2014", "January Hosting", "2233", "$54.95"},
[]string{"1/4/2014", "February Hosting", "2233", "$51.00"},
[]string{"1/4/2014", "February Extra Bandwidth", "2233", "$30.00"},
}
table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Date", "Description", "CV2", "Amount"})
table.SetBorders(tablewriter.Border{Left: true, Top: false, Right: true, Bottom: false})
table.SetCenterSeparator("|")
table.AppendBulk(data) // Add Bulk Data
table.Render()
```
##### Output 5
```
| DATE | DESCRIPTION | CV2 | AMOUNT |
|----------|--------------------------|------|--------|
| 1/1/2014 | Domain name | 2233 | $10.98 |
| 1/1/2014 | January Hosting | 2233 | $54.95 |
| 1/4/2014 | February Hosting | 2233 | $51.00 |
| 1/4/2014 | February Extra Bandwidth | 2233 | $30.00 |
```
#### Example 6 - Identical cells merging
```go
data := [][]string{
[]string{"1/1/2014", "Domain name", "1234", "$10.98"},
[]string{"1/1/2014", "January Hosting", "2345", "$54.95"},
[]string{"1/4/2014", "February Hosting", "3456", "$51.00"},
[]string{"1/4/2014", "February Extra Bandwidth", "4567", "$30.00"},
}
table := tablewriter.NewWriter(os.Stdout)
table.SetHeader([]string{"Date", "Description", "CV2", "Amount"})
table.SetFooter([]string{"", "", "Total", "$146.93"})
table.SetAutoMergeCells(true)
table.SetRowLine(true)
table.AppendBulk(data)
table.Render()
```
##### Output 6
```
+----------+--------------------------+-------+---------+
| DATE | DESCRIPTION | CV2 | AMOUNT |
+----------+--------------------------+-------+---------+
| 1/1/2014 | Domain name | 1234 | $10.98 |
+ +--------------------------+-------+---------+
| | January Hosting | 2345 | $54.95 |
+----------+--------------------------+-------+---------+
| 1/4/2014 | February Hosting | 3456 | $51.00 |
+ +--------------------------+-------+---------+
| | February Extra Bandwidth | 4567 | $30.00 |
+----------+--------------------------+-------+---------+
| TOTAL | $146 93 |
+----------+--------------------------+-------+---------+
```
#### TODO
- ~~Import Directly from CSV~~ - `done`
- ~~Support for `SetFooter`~~ - `done`
- ~~Support for `SetBorder`~~ - `done`
- ~~Support table with uneven rows~~ - `done`
- Support custom alignment
- General Improvement & Optimisation
- `NewHTML` Parse table from HTML
vendor/github.com/olekukonko/tablewriter/csv.go 0 → 100644
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// Copyright 2014 Oleku Konko All rights reserved.
// Use of this source code is governed by a MIT
// license that can be found in the LICENSE file.
// This module is a Table Writer API for the Go Programming Language.
// The protocols were written in pure Go and works on windows and unix systems
package tablewriter
import (
"encoding/csv"
"io"
"os"
)
// Start A new table by importing from a CSV file
// Takes io.Writer and csv File name
func NewCSV(writer io.Writer, fileName string, hasHeader bool) (*Table, error) {
file, err := os.Open(fileName)
if err != nil {
return &Table{}, err
}
defer file.Close()
csvReader := csv.NewReader(file)
t, err := NewCSVReader(writer, csvReader, hasHeader)
return t, err
}
// Start a New Table Writer with csv.Reader
// This enables customisation such as reader.Comma = ';'
// See http://golang.org/src/pkg/encoding/csv/reader.go?s=3213:3671#L94
func NewCSVReader(writer io.Writer, csvReader *csv.Reader, hasHeader bool) (*Table, error) {
t := NewWriter(writer)
if hasHeader {
// Read the first row
headers, err := csvReader.Read()
if err != nil {
return &Table{}, err
}
t.SetHeader(headers)
}
for {
record, err := csvReader.Read()
if err == io.EOF {
break
} else if err != nil {
return &Table{}, err
}
t.Append(record)
}
return t, nil
}
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first_name,last_name,ssn
John,Barry,123456
Kathy,Smith,687987
Bob,McCornick,3979870
\ No newline at end of file
vendor/github.com/olekukonko/tablewriter/test_info.csv 0 → 100644
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Field,Type,Null,Key,Default,Extra
user_id,smallint(5),NO,PRI,NULL,auto_increment
username,varchar(10),NO,,NULL,
password,varchar(100),NO,,NULL,
\ No newline at end of file
vendor/github.com/olekukonko/tablewriter/util.go 0 → 100644
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// Copyright 2014 Oleku Konko All rights reserved.
// Use of this source code is governed by a MIT
// license that can be found in the LICENSE file.
// This module is a Table Writer API for the Go Programming Language.
// The protocols were written in pure Go and works on windows and unix systems
package tablewriter
import (
"math"
"regexp"
"strings"
"github.com/mattn/go-runewidth"
)
var ansi = regexp.MustCompile("\033\\[(?:[0-9]{1,3}(?:;[0-9]{1,3})*)?[m|K]")
func DisplayWidth(str string) int {
return runewidth.StringWidth(ansi.ReplaceAllLiteralString(str, ""))
}
// Simple Condition for string
// Returns value based on condition
func ConditionString(cond bool, valid, inValid string) string {
if cond {
return valid
}
return inValid
}
// Format Table Header
// Replace _ , . and spaces
func Title(name string) string {
name = strings.Replace(name, "_", " ", -1)
name = strings.Replace(name, ".", " ", -1)
name = strings.TrimSpace(name)
return strings.ToUpper(name)
}
// Pad String
// Attempts to play string in the center
func Pad(s, pad string, width int) string {
gap := width - DisplayWidth(s)
if gap > 0 {
gapLeft := int(math.Ceil(float64(gap / 2)))
gapRight := gap - gapLeft
return strings.Repeat(string(pad), gapLeft) + s + strings.Repeat(string(pad), gapRight)
}
return s
}
// Pad String Right position
// This would pace string at the left side fo the screen
func PadRight(s, pad string, width int) string {
gap := width - DisplayWidth(s)
if gap > 0 {
return s + strings.Repeat(string(pad), gap)
}
return s
}
// Pad String Left position
// This would pace string at the right side fo the screen
func PadLeft(s, pad string, width int) string {
gap := width - DisplayWidth(s)
if gap > 0 {
return strings.Repeat(string(pad), gap) + s
}
return s
}
vendor/github.com/olekukonko/tablewriter/wrap.go 0 → 100644
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// Copyright 2014 Oleku Konko All rights reserved.
// Use of this source code is governed by a MIT
// license that can be found in the LICENSE file.
// This module is a Table Writer API for the Go Programming Language.
// The protocols were written in pure Go and works on windows and unix systems
package tablewriter
import (
"math"
"strings"
"unicode/utf8"
)
var (
nl = "\n"
sp = " "
)
const defaultPenalty = 1e5
// Wrap wraps s into a paragraph of lines of length lim, with minimal
// raggedness.
func WrapString(s string, lim int) ([]string, int) {
words := strings.Split(strings.Replace(s, nl, sp, -1), sp)
var lines []string
max := 0
for _, v := range words {
max = len(v)
if max > lim {
lim = max
}
}
for _, line := range WrapWords(words, 1, lim, defaultPenalty) {
lines = append(lines, strings.Join(line, sp))
}
return lines, lim
}
// WrapWords is the low-level line-breaking algorithm, useful if you need more
// control over the details of the text wrapping process. For most uses,
// WrapString will be sufficient and more convenient.
//
// WrapWords splits a list of words into lines with minimal "raggedness",
// treating each rune as one unit, accounting for spc units between adjacent
// words on each line, and attempting to limit lines to lim units. Raggedness
// is the total error over all lines, where error is the square of the
// difference of the length of the line and lim. Too-long lines (which only
// happen when a single word is longer than lim units) have pen penalty units
// added to the error.
func WrapWords(words []string, spc, lim, pen int) [][]string {
n := len(words)
length := make([][]int, n)
for i := 0; i < n; i++ {
length[i] = make([]int, n)
length[i][i] = utf8.RuneCountInString(words[i])
for j := i + 1; j < n; j++ {
length[i][j] = length[i][j-1] + spc + utf8.RuneCountInString(words[j])
}
}
nbrk := make([]int, n)
cost := make([]int, n)
for i := range cost {
cost[i] = math.MaxInt32
}
for i := n - 1; i >= 0; i-- {
if length[i][n-1] <= lim {
cost[i] = 0
nbrk[i] = n
} else {
for j := i + 1; j < n; j++ {
d := lim - length[i][j-1]
c := d*d + cost[j]
if length[i][j-1] > lim {
c += pen // too-long lines get a worse penalty
}
if c < cost[i] {
cost[i] = c
nbrk[i] = j
}
}
}
}
var lines [][]string
i := 0
for i < n {
lines = append(lines, words[i:nbrk[i]])
i = nbrk[i]
}
return lines
}
// getLines decomposes a multiline string into a slice of strings.
func getLines(s string) []string {
var lines []string
for _, line := range strings.Split(s, nl) {
lines = append(lines, line)
}
return lines
}
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
#define REDMASK51 0x0007FFFFFFFFFFFF
vendor/golang.org/x/crypto/curve25519/const_amd64.s 0 → 100644
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
// +build amd64,!gccgo,!appengine
// These constants cannot be encoded in non-MOVQ immediates.
// We access them directly from memory instead.
DATA ·_121666_213(SB)/8, $996687872
GLOBL ·_121666_213(SB), 8, $8
DATA ·_2P0(SB)/8, $0xFFFFFFFFFFFDA
GLOBL ·_2P0(SB), 8, $8
DATA ·_2P1234(SB)/8, $0xFFFFFFFFFFFFE
GLOBL ·_2P1234(SB), 8, $8
vendor/golang.org/x/crypto/curve25519/cswap_amd64.s 0 → 100644
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
// +build amd64,!gccgo,!appengine
// func cswap(inout *[5]uint64, v uint64)
TEXT ·cswap(SB),7,$0
MOVQ inout+0(FP),DI
MOVQ v+8(FP),SI
CMPQ SI,$1
MOVQ 0(DI),SI
MOVQ 80(DI),DX
MOVQ 8(DI),CX
MOVQ 88(DI),R8
MOVQ SI,R9
CMOVQEQ DX,SI
CMOVQEQ R9,DX
MOVQ CX,R9
CMOVQEQ R8,CX
CMOVQEQ R9,R8
MOVQ SI,0(DI)
MOVQ DX,80(DI)
MOVQ CX,8(DI)
MOVQ R8,88(DI)
MOVQ 16(DI),SI
MOVQ 96(DI),DX
MOVQ 24(DI),CX
MOVQ 104(DI),R8
MOVQ SI,R9
CMOVQEQ DX,SI
CMOVQEQ R9,DX
MOVQ CX,R9
CMOVQEQ R8,CX
CMOVQEQ R9,R8
MOVQ SI,16(DI)
MOVQ DX,96(DI)
MOVQ CX,24(DI)
MOVQ R8,104(DI)
MOVQ 32(DI),SI
MOVQ 112(DI),DX
MOVQ 40(DI),CX
MOVQ 120(DI),R8
MOVQ SI,R9
CMOVQEQ DX,SI
CMOVQEQ R9,DX
MOVQ CX,R9
CMOVQEQ R8,CX
CMOVQEQ R9,R8
MOVQ SI,32(DI)
MOVQ DX,112(DI)
MOVQ CX,40(DI)
MOVQ R8,120(DI)
MOVQ 48(DI),SI
MOVQ 128(DI),DX
MOVQ 56(DI),CX
MOVQ 136(DI),R8
MOVQ SI,R9
CMOVQEQ DX,SI
CMOVQEQ R9,DX
MOVQ CX,R9
CMOVQEQ R8,CX
CMOVQEQ R9,R8
MOVQ SI,48(DI)
MOVQ DX,128(DI)
MOVQ CX,56(DI)
MOVQ R8,136(DI)
MOVQ 64(DI),SI
MOVQ 144(DI),DX
MOVQ 72(DI),CX
MOVQ 152(DI),R8
MOVQ SI,R9
CMOVQEQ DX,SI
CMOVQEQ R9,DX
MOVQ CX,R9
CMOVQEQ R8,CX
CMOVQEQ R9,R8
MOVQ SI,64(DI)
MOVQ DX,144(DI)
MOVQ CX,72(DI)
MOVQ R8,152(DI)
MOVQ DI,AX
MOVQ SI,DX
RET
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package curve25519 provides an implementation of scalar multiplication on
// the elliptic curve known as curve25519. See http://cr.yp.to/ecdh.html
package curve25519 // import "golang.org/x/crypto/curve25519"
// basePoint is the x coordinate of the generator of the curve.
var basePoint = [32]byte{9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
// ScalarMult sets dst to the product in*base where dst and base are the x
// coordinates of group points and all values are in little-endian form.
func ScalarMult(dst, in, base *[32]byte) {
scalarMult(dst, in, base)
}
// ScalarBaseMult sets dst to the product in*base where dst and base are the x
// coordinates of group points, base is the standard generator and all values
// are in little-endian form.
func ScalarBaseMult(dst, in *[32]byte) {
ScalarMult(dst, in, &basePoint)
}
vendor/golang.org/x/crypto/curve25519/freeze_amd64.s 0 → 100644
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
// +build amd64,!gccgo,!appengine
#include "const_amd64.h"
// func freeze(inout *[5]uint64)
TEXT ·freeze(SB),7,$0-8
MOVQ inout+0(FP), DI
MOVQ 0(DI),SI
MOVQ 8(DI),DX
MOVQ 16(DI),CX
MOVQ 24(DI),R8
MOVQ 32(DI),R9
MOVQ $REDMASK51,AX
MOVQ AX,R10
SUBQ $18,R10
MOVQ $3,R11
REDUCELOOP:
MOVQ SI,R12
SHRQ $51,R12
ANDQ AX,SI
ADDQ R12,DX
MOVQ DX,R12
SHRQ $51,R12
ANDQ AX,DX
ADDQ R12,CX
MOVQ CX,R12
SHRQ $51,R12
ANDQ AX,CX
ADDQ R12,R8
MOVQ R8,R12
SHRQ $51,R12
ANDQ AX,R8
ADDQ R12,R9
MOVQ R9,R12
SHRQ $51,R12
ANDQ AX,R9
IMUL3Q $19,R12,R12
ADDQ R12,SI
SUBQ $1,R11
JA REDUCELOOP
MOVQ $1,R12
CMPQ R10,SI
CMOVQLT R11,R12
CMPQ AX,DX
CMOVQNE R11,R12
CMPQ AX,CX
CMOVQNE R11,R12
CMPQ AX,R8
CMOVQNE R11,R12
CMPQ AX,R9
CMOVQNE R11,R12
NEGQ R12
ANDQ R12,AX
ANDQ R12,R10
SUBQ R10,SI
SUBQ AX,DX
SUBQ AX,CX
SUBQ AX,R8
SUBQ AX,R9
MOVQ SI,0(DI)
MOVQ DX,8(DI)
MOVQ CX,16(DI)
MOVQ R8,24(DI)
MOVQ R9,32(DI)
RET
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: http://bench.cr.yp.to/supercop.html
// +build amd64,!gccgo,!appengine
#include "const_amd64.h"
// func square(out, in *[5]uint64)
TEXT ·square(SB),7,$0-16
MOVQ out+0(FP), DI
MOVQ in+8(FP), SI
MOVQ 0(SI),AX
MULQ 0(SI)
MOVQ AX,CX
MOVQ DX,R8
MOVQ 0(SI),AX
SHLQ $1,AX
MULQ 8(SI)
MOVQ AX,R9
MOVQ DX,R10
MOVQ 0(SI),AX
SHLQ $1,AX
MULQ 16(SI)
MOVQ AX,R11
MOVQ DX,R12
MOVQ 0(SI),AX
SHLQ $1,AX
MULQ 24(SI)
MOVQ AX,R13
MOVQ DX,R14
MOVQ 0(SI),AX
SHLQ $1,AX
MULQ 32(SI)
MOVQ AX,R15
MOVQ DX,BX
MOVQ 8(SI),AX
MULQ 8(SI)
ADDQ AX,R11
ADCQ DX,R12
MOVQ 8(SI),AX
SHLQ $1,AX
MULQ 16(SI)
ADDQ AX,R13
ADCQ DX,R14
MOVQ 8(SI),AX
SHLQ $1,AX
MULQ 24(SI)
ADDQ AX,R15
ADCQ DX,BX
MOVQ 8(SI),DX
IMUL3Q $38,DX,AX
MULQ 32(SI)
ADDQ AX,CX
ADCQ DX,R8
MOVQ 16(SI),AX
MULQ 16(SI)
ADDQ AX,R15
ADCQ DX,BX
MOVQ 16(SI),DX
IMUL3Q $38,DX,AX
MULQ 24(SI)
ADDQ AX,CX
ADCQ DX,R8
MOVQ 16(SI),DX
IMUL3Q $38,DX,AX
MULQ 32(SI)
ADDQ AX,R9
ADCQ DX,R10
MOVQ 24(SI),DX
IMUL3Q $19,DX,AX
MULQ 24(SI)
ADDQ AX,R9
ADCQ DX,R10
MOVQ 24(SI),DX
IMUL3Q $38,DX,AX
MULQ 32(SI)
ADDQ AX,R11
ADCQ DX,R12
MOVQ 32(SI),DX
IMUL3Q $19,DX,AX
MULQ 32(SI)
ADDQ AX,R13
ADCQ DX,R14
MOVQ $REDMASK51,SI
SHLQ $13,R8:CX
ANDQ SI,CX
SHLQ $13,R10:R9
ANDQ SI,R9
ADDQ R8,R9
SHLQ $13,R12:R11
ANDQ SI,R11
ADDQ R10,R11
SHLQ $13,R14:R13
ANDQ SI,R13
ADDQ R12,R13
SHLQ $13,BX:R15
ANDQ SI,R15
ADDQ R14,R15
IMUL3Q $19,BX,DX
ADDQ DX,CX
MOVQ CX,DX
SHRQ $51,DX
ADDQ R9,DX
ANDQ SI,CX
MOVQ DX,R8
SHRQ $51,DX
ADDQ R11,DX
ANDQ SI,R8
MOVQ DX,R9
SHRQ $51,DX
ADDQ R13,DX
ANDQ SI,R9
MOVQ DX,AX
SHRQ $51,DX
ADDQ R15,DX
ANDQ SI,AX
MOVQ DX,R10
SHRQ $51,DX
IMUL3Q $19,DX,DX
ADDQ DX,CX
ANDQ SI,R10
MOVQ CX,0(DI)
MOVQ R8,8(DI)
MOVQ R9,16(DI)
MOVQ AX,24(DI)
MOVQ R10,32(DI)
RET
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