containerd/cmd/dist/main.go
Stephen J Day cc983be17a
cmd/dist, images: allow image delete
This adds very simple deletion of images by name. We still need to
consider the approach to handling image name, so this may change. For
the time being, it allows one to delete an image entry in the metadata
database.

Signed-off-by: Stephen J Day <stephen.day@docker.com>
2017-03-31 12:49:44 -07:00

95 lines
1.8 KiB
Go

package main
import (
contextpkg "context"
"fmt"
"os"
"github.com/Sirupsen/logrus"
"github.com/docker/containerd"
"github.com/urfave/cli"
)
var (
background = contextpkg.Background()
)
func init() {
cli.VersionPrinter = func(c *cli.Context) {
fmt.Println(c.App.Name, containerd.Package, c.App.Version)
}
}
func main() {
app := cli.NewApp()
app.Name = "dist"
app.Version = containerd.Version
app.Usage = `
___ __
____/ (_)____/ /_
/ __ / / ___/ __/
/ /_/ / (__ ) /_
\__,_/_/____/\__/
distribution tool
`
app.Flags = []cli.Flag{
cli.BoolFlag{
Name: "debug",
Usage: "enable debug output in logs",
},
cli.DurationFlag{
Name: "timeout",
Usage: "total timeout for dist commands",
},
cli.DurationFlag{
Name: "connect-timeout",
Usage: "timeout for connecting to containerd",
},
cli.StringFlag{
// TODO(stevvooe): for now, we allow circumventing the GRPC. Once
// we have clear separation, this will likely go away.
Name: "root",
Usage: "path to content store root",
Value: "/var/lib/containerd",
},
cli.StringFlag{
Name: "socket, s",
Usage: "socket path for containerd's GRPC server",
Value: "/run/containerd/containerd.sock",
},
}
app.Commands = []cli.Command{
imagesCommand,
rmiCommand,
pullCommand,
fetchCommand,
fetchObjectCommand,
ingestCommand,
activeCommand,
getCommand,
deleteCommand,
listCommand,
applyCommand,
rootfsCommand,
}
app.Before = func(context *cli.Context) error {
var (
debug = context.GlobalBool("debug")
timeout = context.GlobalDuration("timeout")
)
if debug {
logrus.SetLevel(logrus.DebugLevel)
}
if timeout > 0 {
background, _ = contextpkg.WithTimeout(background, timeout)
}
return nil
}
if err := app.Run(os.Args); err != nil {
fmt.Fprintf(os.Stderr, "dist: %s\n", err)
os.Exit(1)
}
}