116 lines
3.2 KiB
Go
116 lines
3.2 KiB
Go
// Copyright 2017 AMIS Technologies
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package service
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import (
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"bytes"
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"fmt"
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"strings"
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"text/template"
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)
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var (
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ConstellationDockerImage = "quorumengineering/constellation"
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ConstellationDockerImageTag = "latest"
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)
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type Constellation struct {
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Identity int
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Name string
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IP string
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Port int
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OtherNodes string
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PublicKey string
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PrivateKey string
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SocketPath string
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ConfigPath string
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Folder string
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KeyPath string
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}
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func NewConstellation(identity int, ip string, port int) *Constellation {
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folder := "/constellation"
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keyPath := fmt.Sprintf("%v/tm", folder)
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return &Constellation{
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Identity: identity,
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Name: fmt.Sprintf("constellation-%v", identity),
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IP: ip,
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Port: port,
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PublicKey: fmt.Sprintf("%v.pub", keyPath),
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PrivateKey: fmt.Sprintf("%v.key", keyPath),
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SocketPath: fmt.Sprintf("%v.ipc", keyPath),
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ConfigPath: fmt.Sprintf("%v.conf", keyPath),
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Folder: folder,
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KeyPath: keyPath,
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}
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}
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func (c *Constellation) SetOtherNodes(nodes []string) {
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c.OtherNodes = strings.Join(nodes, ",")
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}
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func (c Constellation) Host() string {
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return fmt.Sprintf("http://%v:%v/", c.IP, c.Port)
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}
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func (c Constellation) String() string {
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tmpl, err := template.New("constellation").Parse(constellationTemplate)
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if err != nil {
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fmt.Printf("Failed to parse template, %v", err)
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return ""
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}
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result := new(bytes.Buffer)
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err = tmpl.Execute(result, c)
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if err != nil {
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fmt.Printf("Failed to render template, %v", err)
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return ""
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}
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return result.String()
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}
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var constellationTemplate = fmt.Sprintf(`{{ .Name }}:
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hostname: {{ .Name }}
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image: %s:%s
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ports:
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- '{{ .Port }}:{{ .Port }}'
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volumes:
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- {{ .Identity }}:{{ .Folder }}:z
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- .:/tmp/
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entrypoint:
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- /bin/sh
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- -c
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- |
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mkdir -p {{ .Folder }}
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echo "socket=\"{{ .SocketPath }}\"\npublickeys=[\"{{ .PublicKey }}\"]\n" > {{ .ConfigPath }}
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constellation-node --generatekeys={{ .KeyPath }}
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cp {{ .KeyPath }}.pub /tmp/tm{{ .Identity }}.pub
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constellation-node \
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--url={{ .Host }} \
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--port={{ .Port }} \
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--socket={{ .SocketPath }} \
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--othernodes={{ .OtherNodes }} \
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--publickeys={{ .PublicKey }} \
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--privatekeys={{ .PrivateKey }} \
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--storage={{ .Folder }} \
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--verbosity=4
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networks:
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app_net:
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ipv4_address: {{ .IP }}
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restart: always`, ConstellationDockerImage, ConstellationDockerImageTag)
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