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moby--moby/api/client/registry/logout.go
Vincent Demeester baf467722b
Migrate login & logout command to cobra
Also moves some common stuff around :
- `api/client/registry.go` for registry related
method (`ElectAuthServer`, …)
- `api/client/credentials.go` to interact with credentials

Migrate logout command to cobra

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
2016-06-10 12:04:29 +02:00

52 lines
1.5 KiB
Go

package registry
import (
"fmt"
"golang.org/x/net/context"
"github.com/docker/docker/api/client"
"github.com/docker/docker/cli"
"github.com/spf13/cobra"
)
// NewLogoutCommand creates a new `docker login` command
func NewLogoutCommand(dockerCli *client.DockerCli) *cobra.Command {
cmd := &cobra.Command{
Use: "logout [SERVER]",
Short: "Log out from a Docker registry.",
Long: "Log out from a Docker registry.\nIf no server is specified, the default is defined by the daemon.",
Args: cli.RequiresMaxArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
var serverAddress string
if len(args) > 0 {
serverAddress = args[0]
}
return runLogout(dockerCli, serverAddress)
},
}
return cmd
}
func runLogout(dockerCli *client.DockerCli, serverAddress string) error {
ctx := context.Background()
if serverAddress == "" {
serverAddress = dockerCli.ElectAuthServer(ctx)
}
// check if we're logged in based on the records in the config file
// which means it couldn't have user/pass cause they may be in the creds store
if _, ok := dockerCli.ConfigFile().AuthConfigs[serverAddress]; !ok {
fmt.Fprintf(dockerCli.Out(), "Not logged in to %s\n", serverAddress)
return nil
}
fmt.Fprintf(dockerCli.Out(), "Remove login credentials for %s\n", serverAddress)
if err := client.EraseCredentials(dockerCli.ConfigFile(), serverAddress); err != nil {
fmt.Fprintf(dockerCli.Out(), "WARNING: could not erase credentials: %v\n", err)
}
return nil
}