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package main
import (
"fmt"
buildahcli "github.com/containers/buildah/pkg/cli"
"github.com/containers/image/v5/docker"
"github.com/containers/image/v5/pkg/docker/config"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/cmd/podman/shared"
"github.com/containers/libpod/pkg/registries"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
var (
logoutCommand cliconfig.LogoutValues
logoutDescription = "Remove the cached username and password for the registry."
_logoutCommand = &cobra.Command{
Use: "logout [flags] REGISTRY",
Short: "Logout of a container registry",
Long: logoutDescription,
RunE: func(cmd *cobra.Command, args []string) error {
logoutCommand.InputArgs = args
logoutCommand.GlobalFlags = MainGlobalOpts
logoutCommand.Remote = remoteclient
return logoutCmd(&logoutCommand)
},
Example: `podman logout quay.io
podman logout --all`,
}
)
func init() {
if !remote {
_logoutCommand.Example = fmt.Sprintf("%s\n podman logout --authfile authdir/myauths.json quay.io", _logoutCommand.Example)
}
logoutCommand.Command = _logoutCommand
logoutCommand.SetHelpTemplate(HelpTemplate())
logoutCommand.SetUsageTemplate(UsageTemplate())
flags := logoutCommand.Flags()
flags.BoolVarP(&logoutCommand.All, "all", "a", false, "Remove the cached credentials for all registries in the auth file")
flags.StringVar(&logoutCommand.Authfile, "authfile", buildahcli.GetDefaultAuthFile(), "Path of the authentication file. Use REGISTRY_AUTH_FILE environment variable to override")
markFlagHiddenForRemoteClient("authfile", flags)
}
// logoutCmd uses the authentication package to remove the authenticated of a registry
// stored in the auth.json file
func logoutCmd(c *cliconfig.LogoutValues) error {
args := c.InputArgs
if len(args) > 1 {
return errors.Errorf("too many arguments, logout takes at most 1 argument")
}
var server string
if len(args) == 0 && !c.All {
registriesFromFile, err := registries.GetRegistries()
if err != nil || len(registriesFromFile) == 0 {
return errors.Errorf("no registries found in registries.conf, a registry must be provided")
}
server = registriesFromFile[0]
logrus.Debugf("registry not specified, default to the first registry %q from registries.conf", server)
}
if len(args) == 1 {
server = scrubServer(args[0])
}
sc, err := shared.GetSystemContext(c.Authfile)
if err != nil {
return err
}
if c.All {
if err := config.RemoveAllAuthentication(sc); err != nil {
return err
}
fmt.Println("Removed login credentials for all registries")
return nil
}
err = config.RemoveAuthentication(sc, server)
switch errors.Cause(err) {
case nil:
fmt.Printf("Removed login credentials for %s\n", server)
return nil
case config.ErrNotLoggedIn:
// username of user logged in to server (if one exists)
userFromAuthFile, passFromAuthFile, err := config.GetAuthentication(sc, server)
if err != nil {
return errors.Wrapf(err, "error reading auth file")
}
islogin := docker.CheckAuth(getContext(), sc, userFromAuthFile, passFromAuthFile, server)
if userFromAuthFile != "" && passFromAuthFile != "" && islogin == nil {
fmt.Printf("Not logged into %s with podman. Existing credentials were established via docker login. Please use docker logout instead.\n", server)
return nil
}
fmt.Printf("Not logged into %s\n", server)
return nil
default:
return errors.Wrapf(err, "error logging out of %q", server)
}
}
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