1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
// 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"
"sync"
"github.com/tangerine-network/go-tangerine/log"
)
// makeWizard creates and returns a new puppeth wizard.
func makeWizard(network string) *wizard {
return &wizard{
network: network,
conf: config{
Servers: make(map[string][]byte),
},
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()
// Docker accepts hyphens in image names, but doesn't like it for container names
if w.network == "" {
fmt.Println("Please specify a network name to administer (no spaces, hyphens or capital letters please)")
for {
w.network = w.readString()
if !strings.Contains(w.network, " ") && !strings.Contains(w.network, "-") && strings.ToLower(w.network) == w.network {
fmt.Printf("\nSweet, 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, hyphens or capital letters")
}
}
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 {
// Dial all previously known servers concurrently
var pend sync.WaitGroup
for server, pubkey := range w.conf.Servers {
pend.Add(1)
go func(server string, pubkey []byte) {
defer pend.Done()
log.Info("Dialing previously configured server", "server", server)
client, err := dial(server, pubkey)
if err != nil {
log.Error("Previous server unreachable", "server", server, "err", err)
}
w.lock.Lock()
w.servers[server] = client
w.lock.Unlock()
}(server, pubkey)
}
pend.Wait()
w.networkStats()
}
// 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. Manage 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")
}
choice := w.read()
switch {
case choice == "" || choice == "1":
w.networkStats()
case choice == "2":
if w.conf.Genesis == nil {
fmt.Println()
fmt.Println("What would you like to do? (default = create)")
fmt.Println(" 1. Create new genesis from scratch")
fmt.Println(" 2. Import already existing genesis")
choice := w.read()
switch {
case choice == "" || choice == "1":
w.makeGenesis()
case choice == "2":
w.importGenesis()
default:
log.Error("That's not something I can do")
}
} else {
w.manageGenesis()
}
case choice == "3":
if len(w.servers) == 0 {
if w.makeServer() != "" {
w.networkStats()
}
} else {
w.manageServers()
}
case choice == "4":
if len(w.services) == 0 {
w.deployComponent()
} else {
w.manageComponents()
}
default:
log.Error("That's not something I can do")
}
}
}
|
