110 lines
2.5 KiB
Go
110 lines
2.5 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"runtime"
|
|
|
|
"github.com/Sirupsen/logrus"
|
|
"github.com/docker/docker/cli"
|
|
cliflags "github.com/docker/docker/cli/flags"
|
|
"github.com/docker/docker/daemon"
|
|
"github.com/docker/docker/dockerversion"
|
|
"github.com/docker/docker/pkg/reexec"
|
|
"github.com/docker/docker/pkg/term"
|
|
"github.com/spf13/cobra"
|
|
"github.com/spf13/pflag"
|
|
)
|
|
|
|
type daemonOptions struct {
|
|
version bool
|
|
configFile string
|
|
daemonConfig *daemon.Config
|
|
common *cliflags.CommonOptions
|
|
flags *pflag.FlagSet
|
|
}
|
|
|
|
func newDaemonCommand() *cobra.Command {
|
|
opts := daemonOptions{
|
|
daemonConfig: daemon.NewConfig(),
|
|
common: cliflags.NewCommonOptions(),
|
|
}
|
|
|
|
cmd := &cobra.Command{
|
|
Use: "dockerd [OPTIONS]",
|
|
Short: "A self-sufficient runtime for containers.",
|
|
SilenceUsage: true,
|
|
SilenceErrors: true,
|
|
Args: cli.NoArgs,
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
opts.flags = cmd.Flags()
|
|
return runDaemon(opts)
|
|
},
|
|
}
|
|
cli.SetupRootCommand(cmd)
|
|
|
|
flags := cmd.Flags()
|
|
flags.BoolVarP(&opts.version, "version", "v", false, "Print version information and quit")
|
|
flags.StringVar(&opts.configFile, flagDaemonConfigFile, defaultDaemonConfigFile, "Daemon configuration file")
|
|
opts.common.InstallFlags(flags)
|
|
opts.daemonConfig.InstallFlags(flags)
|
|
installServiceFlags(flags)
|
|
|
|
return cmd
|
|
}
|
|
|
|
func runDaemon(opts daemonOptions) error {
|
|
if opts.version {
|
|
showVersion()
|
|
return nil
|
|
}
|
|
|
|
daemonCli := NewDaemonCli()
|
|
|
|
// Windows specific settings as these are not defaulted.
|
|
if runtime.GOOS == "windows" {
|
|
if opts.daemonConfig.Pidfile == "" {
|
|
opts.daemonConfig.Pidfile = filepath.Join(opts.daemonConfig.Root, "docker.pid")
|
|
}
|
|
if opts.configFile == "" {
|
|
opts.configFile = filepath.Join(opts.daemonConfig.Root, `config\daemon.json`)
|
|
}
|
|
}
|
|
|
|
// On Windows, this may be launching as a service or with an option to
|
|
// register the service.
|
|
stop, err := initService(daemonCli)
|
|
if err != nil {
|
|
logrus.Fatal(err)
|
|
}
|
|
|
|
if stop {
|
|
return nil
|
|
}
|
|
|
|
err = daemonCli.start(opts)
|
|
notifyShutdown(err)
|
|
return err
|
|
}
|
|
|
|
func showVersion() {
|
|
fmt.Printf("Docker version %s, build %s\n", dockerversion.Version, dockerversion.GitCommit)
|
|
}
|
|
|
|
func main() {
|
|
if reexec.Init() {
|
|
return
|
|
}
|
|
|
|
// Set terminal emulation based on platform as required.
|
|
_, stdout, stderr := term.StdStreams()
|
|
logrus.SetOutput(stderr)
|
|
|
|
cmd := newDaemonCommand()
|
|
cmd.SetOutput(stdout)
|
|
if err := cmd.Execute(); err != nil {
|
|
fmt.Fprintf(stderr, "%s\n", err)
|
|
os.Exit(1)
|
|
}
|
|
}
|