forked from mirror/github.com-drone-plugins-github-actions
77 lines
1.7 KiB
Go
77 lines
1.7 KiB
Go
// +build !windows
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package daemon
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import (
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"strings"
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)
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const dockerExe = "/usr/local/bin/docker"
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const dockerdExe = "/usr/local/bin/dockerd"
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func startDaemon(daemon Daemon) {
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cmd := commandDaemon(daemon)
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if daemon.Debug {
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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} else {
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cmd.Stdout = ioutil.Discard
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cmd.Stderr = ioutil.Discard
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}
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go func() {
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trace(cmd)
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cmd.Run()
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}()
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}
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// helper function to create the docker daemon command.
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func commandDaemon(daemon Daemon) *exec.Cmd {
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args := []string{
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"--data-root", daemon.StoragePath,
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"--host=unix:///var/run/docker.sock",
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}
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if _, err := os.Stat("/etc/docker/default.json"); err == nil {
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args = append(args, "--seccomp-profile=/etc/docker/default.json")
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}
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if daemon.StorageDriver != "" {
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args = append(args, "-s", daemon.StorageDriver)
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}
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if daemon.Insecure && daemon.Registry != "" {
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args = append(args, "--insecure-registry", daemon.Registry)
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}
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if daemon.IPv6 {
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args = append(args, "--ipv6")
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}
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if len(daemon.Mirror) != 0 {
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args = append(args, "--registry-mirror", daemon.Mirror)
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}
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if len(daemon.Bip) != 0 {
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args = append(args, "--bip", daemon.Bip)
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}
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for _, dns := range daemon.DNS {
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args = append(args, "--dns", dns)
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}
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for _, dnsSearch := range daemon.DNSSearch {
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args = append(args, "--dns-search", dnsSearch)
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}
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if len(daemon.MTU) != 0 {
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args = append(args, "--mtu", daemon.MTU)
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}
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if daemon.Experimental {
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args = append(args, "--experimental")
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}
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return exec.Command(dockerdExe, args...)
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}
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// trace writes each command to stdout with the command wrapped in an xml
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// tag so that it can be extracted and displayed in the logs.
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func trace(cmd *exec.Cmd) {
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fmt.Fprintf(os.Stdout, "+ %s\n", strings.Join(cmd.Args, " "))
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}
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