195 lines
7.1 KiB
Go
195 lines
7.1 KiB
Go
// 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"
|
|
)
|
|
|
|
// explorerDockerfile is the Dockerfile required to run a block explorer.
|
|
var explorerDockerfile = `
|
|
FROM puppeth/blockscout:latest
|
|
|
|
ADD genesis.json /genesis.json
|
|
RUN \
|
|
echo 'geth --cache 512 init /genesis.json' > explorer.sh && \
|
|
echo $'geth --networkid {{.NetworkID}} --syncmode "full" --gcmode "archive" --port {{.EthPort}} --bootnodes {{.Bootnodes}} --ethstats \'{{.Ethstats}}\' --cache=512 --http --http.api "net,web3,eth,shh,debug" --http.corsdomain "*" --http.vhosts "*" --ws --ws.origins "*" --exitwhensynced' >> explorer.sh && \
|
|
echo $'exec geth --networkid {{.NetworkID}} --syncmode "full" --gcmode "archive" --port {{.EthPort}} --bootnodes {{.Bootnodes}} --ethstats \'{{.Ethstats}}\' --cache=512 --http --http.api "net,web3,eth,shh,debug" --http.corsdomain "*" --http.vhosts "*" --ws --ws.origins "*" &' >> explorer.sh && \
|
|
echo '/usr/local/bin/docker-entrypoint.sh postgres &' >> explorer.sh && \
|
|
echo 'sleep 5' >> explorer.sh && \
|
|
echo 'mix do ecto.drop --force, ecto.create, ecto.migrate' >> explorer.sh && \
|
|
echo 'mix phx.server' >> explorer.sh
|
|
|
|
ENTRYPOINT ["/bin/sh", "explorer.sh"]
|
|
`
|
|
|
|
// explorerComposefile is the docker-compose.yml file required to deploy and
|
|
// maintain a block explorer.
|
|
var explorerComposefile = `
|
|
version: '2'
|
|
services:
|
|
explorer:
|
|
build: .
|
|
image: {{.Network}}/explorer
|
|
container_name: {{.Network}}_explorer_1
|
|
ports:
|
|
- "{{.EthPort}}:{{.EthPort}}"
|
|
- "{{.EthPort}}:{{.EthPort}}/udp"{{if not .VHost}}
|
|
- "{{.WebPort}}:4000"{{end}}
|
|
environment:
|
|
- ETH_PORT={{.EthPort}}
|
|
- ETH_NAME={{.EthName}}
|
|
- BLOCK_TRANSFORMER={{.Transformer}}{{if .VHost}}
|
|
- VIRTUAL_HOST={{.VHost}}
|
|
- VIRTUAL_PORT=4000{{end}}
|
|
volumes:
|
|
- {{.Datadir}}:/opt/app/.ethereum
|
|
- {{.DBDir}}:/var/lib/postgresql/data
|
|
logging:
|
|
driver: "json-file"
|
|
options:
|
|
max-size: "1m"
|
|
max-file: "10"
|
|
restart: always
|
|
`
|
|
|
|
// deployExplorer deploys a new block explorer 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 deployExplorer(client *sshClient, network string, bootnodes []string, config *explorerInfos, nocache bool, isClique bool) ([]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(explorerDockerfile)).Execute(dockerfile, map[string]interface{}{
|
|
"NetworkID": config.node.network,
|
|
"Bootnodes": strings.Join(bootnodes, ","),
|
|
"Ethstats": config.node.ethstats,
|
|
"EthPort": config.node.port,
|
|
})
|
|
files[filepath.Join(workdir, "Dockerfile")] = dockerfile.Bytes()
|
|
|
|
transformer := "base"
|
|
if isClique {
|
|
transformer = "clique"
|
|
}
|
|
composefile := new(bytes.Buffer)
|
|
template.Must(template.New("").Parse(explorerComposefile)).Execute(composefile, map[string]interface{}{
|
|
"Network": network,
|
|
"VHost": config.host,
|
|
"Ethstats": config.node.ethstats,
|
|
"Datadir": config.node.datadir,
|
|
"DBDir": config.dbdir,
|
|
"EthPort": config.node.port,
|
|
"EthName": config.node.ethstats[:strings.Index(config.node.ethstats, ":")],
|
|
"WebPort": config.port,
|
|
"Transformer": transformer,
|
|
})
|
|
files[filepath.Join(workdir, "docker-compose.yaml")] = composefile.Bytes()
|
|
files[filepath.Join(workdir, "genesis.json")] = config.node.genesis
|
|
|
|
// 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 boot or seal node service
|
|
if nocache {
|
|
return nil, client.Stream(fmt.Sprintf("cd %s && docker-compose -p %s build --pull --no-cache && docker-compose -p %s up -d --force-recreate --timeout 60", workdir, network, network))
|
|
}
|
|
return nil, client.Stream(fmt.Sprintf("cd %s && docker-compose -p %s up -d --build --force-recreate --timeout 60", workdir, network))
|
|
}
|
|
|
|
// explorerInfos is returned from a block explorer status check to allow reporting
|
|
// various configuration parameters.
|
|
type explorerInfos struct {
|
|
node *nodeInfos
|
|
dbdir string
|
|
host string
|
|
port int
|
|
}
|
|
|
|
// Report converts the typed struct into a plain string->string map, containing
|
|
// most - but not all - fields for reporting to the user.
|
|
func (info *explorerInfos) Report() map[string]string {
|
|
report := map[string]string{
|
|
"Website address ": info.host,
|
|
"Website listener port ": strconv.Itoa(info.port),
|
|
"Ethereum listener port ": strconv.Itoa(info.node.port),
|
|
"Ethstats username": info.node.ethstats,
|
|
}
|
|
return report
|
|
}
|
|
|
|
// checkExplorer does a health-check against a block explorer server to verify
|
|
// whether it's running, and if yes, whether it's responsive.
|
|
func checkExplorer(client *sshClient, network string) (*explorerInfos, error) {
|
|
// Inspect a possible explorer container on the host
|
|
infos, err := inspectContainer(client, fmt.Sprintf("%s_explorer_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["4000/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
|
|
}
|
|
// Run a sanity check to see if the devp2p is reachable
|
|
p2pPort := infos.portmap[infos.envvars["ETH_PORT"]+"/tcp"]
|
|
if err = checkPort(host, p2pPort); err != nil {
|
|
log.Warn("Explorer node seems unreachable", "server", host, "port", p2pPort, "err", err)
|
|
}
|
|
if err = checkPort(host, port); err != nil {
|
|
log.Warn("Explorer service seems unreachable", "server", host, "port", port, "err", err)
|
|
}
|
|
// Assemble and return the useful infos
|
|
stats := &explorerInfos{
|
|
node: &nodeInfos{
|
|
datadir: infos.volumes["/opt/app/.ethereum"],
|
|
port: infos.portmap[infos.envvars["ETH_PORT"]+"/tcp"],
|
|
ethstats: infos.envvars["ETH_NAME"],
|
|
},
|
|
dbdir: infos.volumes["/var/lib/postgresql/data"],
|
|
host: host,
|
|
port: port,
|
|
}
|
|
return stats, nil
|
|
}
|