auth_logout.go

/*
Copyright © 2021 Rasa Technologies GmbH

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cmd

import (
	"fmt"

	"github.com/spf13/cobra"
	"golang.org/x/xerrors"
	"k8s.io/kubectl/pkg/util/templates"

	"github.com/RasaHQ/rasactl/pkg/types"
)

const (
	authLogoutDesc = `
It removes credentials from an external credentials store, such as the native keychain of the operating system.
`

	authLogoutExample = `
	# Remove access credentials (use the currently active deployment).
	$ rasactl auth logout

	# Remove access credentials for the 'my-deployment' deployment.
	$ rasactl auth logout my-deployment
`
)

func authLogoutCmd() *cobra.Command {

	// cmd represents the auth logout command
	cmd := &cobra.Command{
		Use:     "logout [DEPLOYMENT-NAME]",
		Short:   "remove access credentials for an account",
		Long:    authLogoutDesc,
		Args:    cobra.MaximumNArgs(1),
		Example: templates.Examples(authLogoutExample),
		PreRunE: func(cmd *cobra.Command, args []string) error {
			if err := checkIfDeploymentsExist(); err != nil {
				return err
			}

			if _, err := parseArgs(namespace, args, 1, 1, rasactlFlags); err != nil {
				return xerrors.Errorf(errorPrint.Sprintf("%s", err))
			}

			if err := checkIfNamespaceExists(); err != nil {
				return err
			}
			stateData, err := rasaCtl.KubernetesClient.ReadSecretWithState()
			if err != nil {
				return xerrors.Errorf(errorPrint.Sprintf("%s", err))
			}
			rasaCtl.HelmClient.SetConfiguration(
				&types.HelmConfigurationSpec{
					ReleaseName: string(stateData[types.StateHelmReleaseName]),
				},
			)
			rasaCtl.KubernetesClient.SetHelmReleaseName(string(stateData[types.StateHelmReleaseName]))

			return nil
		},
		RunE: func(cmd *cobra.Command, args []string) error {

			if !rasaCtl.KubernetesClient.IsNamespaceManageable() {
				return xerrors.Errorf(errorPrint.Sprintf("The %s namespace exists but is not managed by rasactl, can't continue :(", rasaCtl.Namespace))
			}

			if err := rasaCtl.AuthLogout(); err != nil {
				return xerrors.Errorf(errorPrint.Sprintf("%s", err))
			}

			fmt.Println("Successfully logged out.")

			return nil
		},
	}

	return cmd
}