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moby--moby/cmd/docker/docker.go
Daniel Nephin 6e7405ebd4 Fix tests and windows service.
Support args to RunCommand
Fix docker help text test.
Fix for ipv6 tests.
Fix TLSverify option.
Fix TestDaemonDiscoveryBackendConfigReload
Use tempfile for another test.
Restore missing flag.
Fix tests for removal of shlex.

Signed-off-by: Daniel Nephin <dnephin@docker.com>
2016-08-25 13:09:36 -04:00

111 lines
2.9 KiB
Go

package main
import (
"fmt"
"os"
"github.com/Sirupsen/logrus"
"github.com/docker/docker/api/client"
"github.com/docker/docker/api/client/command"
"github.com/docker/docker/cli"
cliflags "github.com/docker/docker/cli/flags"
"github.com/docker/docker/cliconfig"
"github.com/docker/docker/dockerversion"
"github.com/docker/docker/pkg/term"
"github.com/docker/docker/utils"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
func newDockerCommand(dockerCli *client.DockerCli) *cobra.Command {
opts := cliflags.NewClientOptions()
var flags *pflag.FlagSet
cmd := &cobra.Command{
Use: "docker [OPTIONS] COMMAND [arg...]",
Short: "A self-sufficient runtime for containers.",
SilenceUsage: true,
SilenceErrors: true,
TraverseChildren: true,
Args: noArgs,
RunE: func(cmd *cobra.Command, args []string) error {
if opts.Version {
showVersion()
return nil
}
fmt.Fprintf(dockerCli.Err(), "\n"+cmd.UsageString())
return nil
},
PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
// flags must be the top-level command flags, not cmd.Flags()
opts.Common.SetDefaultOptions(flags)
dockerPreRun(opts)
return dockerCli.Initialize(opts)
},
}
cli.SetupRootCommand(cmd)
flags = cmd.Flags()
flags.BoolVarP(&opts.Version, "version", "v", false, "Print version information and quit")
flags.StringVar(&opts.ConfigDir, "config", cliconfig.ConfigDir(), "Location of client config files")
opts.Common.InstallFlags(flags)
cmd.SetOutput(dockerCli.Out())
cmd.AddCommand(newDaemonCommand())
command.AddCommands(cmd, dockerCli)
return cmd
}
func noArgs(cmd *cobra.Command, args []string) error {
if len(args) == 0 {
return nil
}
return fmt.Errorf(
"docker: '%s' is not a docker command.\nSee 'docker --help'%s", args[0], ".")
}
func main() {
// Set terminal emulation based on platform as required.
stdin, stdout, stderr := term.StdStreams()
logrus.SetOutput(stderr)
dockerCli := client.NewDockerCli(stdin, stdout, stderr)
cmd := newDockerCommand(dockerCli)
if err := cmd.Execute(); err != nil {
if sterr, ok := err.(cli.StatusError); ok {
if sterr.Status != "" {
fmt.Fprintln(stderr, sterr.Status)
}
// StatusError should only be used for errors, and all errors should
// have a non-zero exit status, so never exit with 0
if sterr.StatusCode == 0 {
os.Exit(1)
}
os.Exit(sterr.StatusCode)
}
fmt.Fprintln(stderr, err)
os.Exit(1)
}
}
func showVersion() {
if utils.ExperimentalBuild() {
fmt.Printf("Docker version %s, build %s, experimental\n", dockerversion.Version, dockerversion.GitCommit)
} else {
fmt.Printf("Docker version %s, build %s\n", dockerversion.Version, dockerversion.GitCommit)
}
}
func dockerPreRun(opts *cliflags.ClientOptions) {
cliflags.SetDaemonLogLevel(opts.Common.LogLevel)
if opts.ConfigDir != "" {
cliconfig.SetConfigDir(opts.ConfigDir)
}
if opts.Common.Debug {
utils.EnableDebug()
}
}