github.com/wmuizelaar/kpt@v0.0.0-20221018115725-bd564717b2ed/commands/alpha/repo/unreg/command.go (about)

     1  // Copyright 2022 Google LLC
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package unreg
    16  
    17  import (
    18  	"context"
    19  	"fmt"
    20  
    21  	"github.com/GoogleContainerTools/kpt/internal/docs/generated/repodocs"
    22  	"github.com/GoogleContainerTools/kpt/internal/errors"
    23  	"github.com/GoogleContainerTools/kpt/internal/util/porch"
    24  	configapi "github.com/GoogleContainerTools/kpt/porch/api/porchconfig/v1alpha1"
    25  	"github.com/spf13/cobra"
    26  	coreapi "k8s.io/api/core/v1"
    27  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    28  	"k8s.io/cli-runtime/pkg/genericclioptions"
    29  	"sigs.k8s.io/controller-runtime/pkg/client"
    30  )
    31  
    32  const (
    33  	command = "cmdrepounreg"
    34  )
    35  
    36  func NewCommand(ctx context.Context, rcg *genericclioptions.ConfigFlags) *cobra.Command {
    37  	return newRunner(ctx, rcg).Command
    38  }
    39  
    40  func newRunner(ctx context.Context, rcg *genericclioptions.ConfigFlags) *runner {
    41  	r := &runner{
    42  		ctx: ctx,
    43  		cfg: rcg,
    44  	}
    45  	c := &cobra.Command{
    46  		Use:     "unreg REPOSITORY [flags]",
    47  		Aliases: []string{"unregister"},
    48  		Short:   repodocs.UnregShort,
    49  		Long:    repodocs.UnregShort + "\n" + repodocs.UnregLong,
    50  		Example: repodocs.UnregExamples,
    51  		PreRunE: r.preRunE,
    52  		RunE:    r.runE,
    53  		Hidden:  porch.HidePorchCommands,
    54  	}
    55  	r.Command = c
    56  
    57  	c.Flags().BoolVar(&r.keepSecret, "keep-auth-secret", false, "Keep the auth secret associated with the repository registration, if any")
    58  
    59  	return r
    60  }
    61  
    62  type runner struct {
    63  	ctx     context.Context
    64  	cfg     *genericclioptions.ConfigFlags
    65  	client  client.Client
    66  	Command *cobra.Command
    67  
    68  	// Flags
    69  	keepSecret bool
    70  }
    71  
    72  func (r *runner) preRunE(cmd *cobra.Command, args []string) error {
    73  	const op errors.Op = command + ".preRunE"
    74  	client, err := porch.CreateClient(r.cfg)
    75  	if err != nil {
    76  		return errors.E(op, err)
    77  	}
    78  	r.client = client
    79  	return nil
    80  }
    81  
    82  func (r *runner) runE(cmd *cobra.Command, args []string) error {
    83  	const op errors.Op = command + ".runE"
    84  
    85  	if len(args) == 0 {
    86  		return errors.E(op, fmt.Errorf("REPOSITORY is a required positional argument"))
    87  	}
    88  
    89  	repository := args[0]
    90  
    91  	var repo configapi.Repository
    92  	if err := r.client.Get(r.ctx, client.ObjectKey{
    93  		Namespace: *r.cfg.Namespace,
    94  		Name:      repository,
    95  	}, &repo); err != nil {
    96  		return errors.E(op, err)
    97  	}
    98  	if err := r.client.Delete(r.ctx, &configapi.Repository{
    99  		TypeMeta: metav1.TypeMeta{
   100  			Kind:       "Repository",
   101  			APIVersion: configapi.GroupVersion.Identifier(),
   102  		},
   103  		ObjectMeta: metav1.ObjectMeta{
   104  			Name:      repo.Name,
   105  			Namespace: repo.Namespace,
   106  		},
   107  	}); err != nil {
   108  		return errors.E(op, err)
   109  	}
   110  
   111  	if r.keepSecret {
   112  		return nil
   113  	}
   114  
   115  	secret := getSecretName(&repo)
   116  	if secret == "" {
   117  		return nil
   118  	}
   119  
   120  	if err := r.client.Delete(r.ctx, &coreapi.Secret{
   121  		TypeMeta: metav1.TypeMeta{
   122  			Kind:       "Secret",
   123  			APIVersion: coreapi.SchemeGroupVersion.Identifier(),
   124  		},
   125  		ObjectMeta: metav1.ObjectMeta{
   126  			Name:      secret,
   127  			Namespace: repo.Namespace,
   128  		},
   129  	}); err != nil {
   130  		return errors.E(op, fmt.Errorf("failed to delete Secret %s: %w", secret, err))
   131  	}
   132  
   133  	return nil
   134  }
   135  
   136  func getSecretName(repo *configapi.Repository) string {
   137  	if repo.Spec.Git != nil {
   138  		return repo.Spec.Git.SecretRef.Name
   139  	}
   140  	if repo.Spec.Oci != nil {
   141  		return repo.Spec.Oci.SecretRef.Name
   142  	}
   143  	return ""
   144  }