0a1a13448b
To reduce the binary size of containerd, we no longer import the `server` package for only a few defaults. This reduces the size of `ctr` by 2MB. There are probably other gains elsewhere. Signed-off-by: Stephen J Day <stephen.day@docker.com>
101 lines
2.5 KiB
Go
101 lines
2.5 KiB
Go
package main
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import (
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"github.com/containerd/containerd/cmd/ctr/commands/containers"
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"github.com/containerd/containerd/cmd/ctr/commands/content"
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"github.com/containerd/containerd/cmd/ctr/commands/events"
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"github.com/containerd/containerd/cmd/ctr/commands/images"
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namespacesCmd "github.com/containerd/containerd/cmd/ctr/commands/namespaces"
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"github.com/containerd/containerd/cmd/ctr/commands/plugins"
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"github.com/containerd/containerd/cmd/ctr/commands/pprof"
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"github.com/containerd/containerd/cmd/ctr/commands/run"
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"github.com/containerd/containerd/cmd/ctr/commands/snapshot"
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"github.com/containerd/containerd/cmd/ctr/commands/tasks"
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versionCmd "github.com/containerd/containerd/cmd/ctr/commands/version"
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"github.com/containerd/containerd/defaults"
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"github.com/containerd/containerd/namespaces"
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"github.com/containerd/containerd/version"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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"google.golang.org/grpc/grpclog"
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)
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var extraCmds = []cli.Command{}
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func init() {
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// Discard grpc logs so that they don't mess with our stdio
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grpclog.SetLogger(log.New(ioutil.Discard, "", log.LstdFlags))
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cli.VersionPrinter = func(c *cli.Context) {
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fmt.Println(c.App.Name, version.Package, c.App.Version)
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}
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}
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func main() {
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app := cli.NewApp()
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app.Name = "ctr"
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app.Version = version.Version
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app.Usage = `
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__
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_____/ /______
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/ ___/ __/ ___/
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/ /__/ /_/ /
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\___/\__/_/
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containerd CLI
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`
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app.Flags = []cli.Flag{
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cli.BoolFlag{
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Name: "debug",
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Usage: "enable debug output in logs",
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},
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cli.StringFlag{
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Name: "address, a",
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Usage: "address for containerd's GRPC server",
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Value: defaults.DefaultAddress,
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},
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cli.DurationFlag{
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Name: "timeout",
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Usage: "total timeout for ctr commands",
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},
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cli.DurationFlag{
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Name: "connect-timeout",
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Usage: "timeout for connecting to containerd",
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},
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cli.StringFlag{
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Name: "namespace, n",
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Usage: "namespace to use with commands",
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Value: namespaces.Default,
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EnvVar: namespaces.NamespaceEnvVar,
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},
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}
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app.Commands = append([]cli.Command{
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plugins.Command,
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versionCmd.Command,
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containers.Command,
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content.Command,
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events.Command,
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images.Command,
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namespacesCmd.Command,
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pprof.Command,
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run.Command,
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snapshot.Command,
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tasks.Command,
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}, extraCmds...)
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app.Before = func(context *cli.Context) error {
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if context.GlobalBool("debug") {
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logrus.SetLevel(logrus.DebugLevel)
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}
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return nil
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}
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if err := app.Run(os.Args); err != nil {
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fmt.Fprintf(os.Stderr, "ctr: %s\n", err)
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os.Exit(1)
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}
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}
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