github.com/SamarSidharth/kpt@v0.0.0-20231122062228-c7d747ae3ace/commands/alpha/rpkg/proposedelete/command.go (about)

     1  // Copyright 2022 The kpt Authors
     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 proposedelete
    16  
    17  import (
    18  	"context"
    19  	"fmt"
    20  	"strings"
    21  
    22  	"github.com/GoogleContainerTools/kpt/internal/docs/generated/rpkgdocs"
    23  	"github.com/GoogleContainerTools/kpt/internal/errors"
    24  	"github.com/GoogleContainerTools/kpt/internal/util/porch"
    25  	"github.com/GoogleContainerTools/kpt/porch/api/porch/v1alpha1"
    26  	"github.com/spf13/cobra"
    27  	"k8s.io/cli-runtime/pkg/genericclioptions"
    28  	"sigs.k8s.io/controller-runtime/pkg/client"
    29  )
    30  
    31  const (
    32  	command = "cmdrpkgpropose-delete"
    33  )
    34  
    35  func newRunner(ctx context.Context, rcg *genericclioptions.ConfigFlags) *runner {
    36  	r := &runner{
    37  		ctx: ctx,
    38  		cfg: rcg,
    39  	}
    40  	c := &cobra.Command{
    41  		Use:        "propose-delete PACKAGE",
    42  		Aliases:    []string{"propose-del"},
    43  		Short:      rpkgdocs.ProposeDeleteShort,
    44  		Long:       rpkgdocs.ProposeDeleteShort + "\n" + rpkgdocs.ProposeDeleteLong,
    45  		Example:    rpkgdocs.ProposeDeleteExamples,
    46  		SuggestFor: []string{},
    47  		PreRunE:    r.preRunE,
    48  		RunE:       r.runE,
    49  		Hidden:     porch.HidePorchCommands,
    50  	}
    51  	r.Command = c
    52  
    53  	// Create flags
    54  
    55  	return r
    56  }
    57  
    58  func NewCommand(ctx context.Context, rcg *genericclioptions.ConfigFlags) *cobra.Command {
    59  	return newRunner(ctx, rcg).Command
    60  }
    61  
    62  type runner struct {
    63  	ctx     context.Context
    64  	cfg     *genericclioptions.ConfigFlags
    65  	client  client.Client
    66  	Command *cobra.Command
    67  }
    68  
    69  func (r *runner) preRunE(_ *cobra.Command, _ []string) error {
    70  	const op errors.Op = command + ".preRunE"
    71  
    72  	client, err := porch.CreateClientWithFlags(r.cfg)
    73  	if err != nil {
    74  		return errors.E(op, err)
    75  	}
    76  	r.client = client
    77  	return nil
    78  }
    79  
    80  func (r *runner) runE(_ *cobra.Command, args []string) error {
    81  	const op errors.Op = command + ".runE"
    82  	var messages []string
    83  	namespace := *r.cfg.Namespace
    84  
    85  	for _, name := range args {
    86  		pr := &v1alpha1.PackageRevision{}
    87  		if err := r.client.Get(r.ctx, client.ObjectKey{
    88  			Namespace: namespace,
    89  			Name:      name,
    90  		}, pr); err != nil {
    91  			return errors.E(op, err)
    92  		}
    93  
    94  		switch pr.Spec.Lifecycle {
    95  		case v1alpha1.PackageRevisionLifecyclePublished:
    96  			// ok
    97  		case v1alpha1.PackageRevisionLifecycleDeletionProposed:
    98  			fmt.Fprintf(r.Command.OutOrStderr(), "%s is already proposed for deletion\n", name)
    99  			continue
   100  		default:
   101  			msg := fmt.Sprintf("can only propose published packages for deletion; package %s is not published", name)
   102  			messages = append(messages, msg)
   103  			fmt.Fprintln(r.Command.ErrOrStderr(), msg)
   104  			continue
   105  		}
   106  
   107  		pr.Spec.Lifecycle = v1alpha1.PackageRevisionLifecycleDeletionProposed
   108  		if err := r.client.Update(r.ctx, pr); err != nil {
   109  			messages = append(messages, err.Error())
   110  			fmt.Fprintf(r.Command.ErrOrStderr(), "%s failed (%s)\n", name, err)
   111  		} else {
   112  			fmt.Fprintf(r.Command.OutOrStderr(), "%s proposed for deletion\n", name)
   113  		}
   114  	}
   115  
   116  	if len(messages) > 0 {
   117  		return errors.E(op, fmt.Errorf("errors:\n  %s", strings.Join(messages, "\n  ")))
   118  	}
   119  
   120  	return nil
   121  }