github.com/SamarSidharth/kpt@v0.0.0-20231122062228-c7d747ae3ace/commands/alpha/rpkg/reject/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 reject
    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  	"k8s.io/client-go/rest"
    29  	"sigs.k8s.io/controller-runtime/pkg/client"
    30  )
    31  
    32  const (
    33  	command = "cmdrpkgreject"
    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  		client: nil,
    45  	}
    46  
    47  	c := &cobra.Command{
    48  		Use:     "reject PACKAGE",
    49  		Short:   rpkgdocs.RejectShort,
    50  		Long:    rpkgdocs.RejectShort + "\n" + rpkgdocs.RejectLong,
    51  		Example: rpkgdocs.RejectExamples,
    52  		PreRunE: r.preRunE,
    53  		RunE:    r.runE,
    54  		Hidden:  porch.HidePorchCommands,
    55  	}
    56  	r.Command = c
    57  
    58  	return r
    59  }
    60  
    61  type runner struct {
    62  	ctx         context.Context
    63  	cfg         *genericclioptions.ConfigFlags
    64  	client      rest.Interface
    65  	porchClient client.Client
    66  	Command     *cobra.Command
    67  
    68  	// Flags
    69  }
    70  
    71  func (r *runner) preRunE(_ *cobra.Command, args []string) error {
    72  	const op errors.Op = command + ".preRunE"
    73  
    74  	if len(args) < 1 {
    75  		return errors.E(op, "PACKAGE_REVISION is a required positional argument")
    76  	}
    77  
    78  	client, err := porch.CreateRESTClient(r.cfg)
    79  	if err != nil {
    80  		return errors.E(op, err)
    81  	}
    82  	r.client = client
    83  
    84  	porchClient, err := porch.CreateClientWithFlags(r.cfg)
    85  	if err != nil {
    86  		return errors.E(op, err)
    87  	}
    88  	r.porchClient = porchClient
    89  	return nil
    90  }
    91  
    92  func (r *runner) runE(_ *cobra.Command, args []string) error {
    93  	const op errors.Op = command + ".runE"
    94  	var messages []string
    95  
    96  	namespace := *r.cfg.Namespace
    97  
    98  	for _, name := range args {
    99  		pr := &v1alpha1.PackageRevision{}
   100  		if err := r.porchClient.Get(r.ctx, client.ObjectKey{
   101  			Namespace: namespace,
   102  			Name:      name,
   103  		}, pr); err != nil {
   104  			return errors.E(op, err)
   105  		}
   106  		switch pr.Spec.Lifecycle {
   107  		case v1alpha1.PackageRevisionLifecycleProposed:
   108  			if err := porch.UpdatePackageRevisionApproval(r.ctx, r.client, client.ObjectKey{
   109  				Namespace: namespace,
   110  				Name:      name,
   111  			}, v1alpha1.PackageRevisionLifecycleDraft); err != nil {
   112  				messages = append(messages, err.Error())
   113  				fmt.Fprintf(r.Command.ErrOrStderr(), "%s failed (%s)\n", name, err)
   114  			} else {
   115  				fmt.Fprintf(r.Command.OutOrStderr(), "%s rejected\n", name)
   116  			}
   117  		case v1alpha1.PackageRevisionLifecycleDeletionProposed:
   118  			pr.Spec.Lifecycle = v1alpha1.PackageRevisionLifecyclePublished
   119  			if err := r.porchClient.Update(r.ctx, pr); err != nil {
   120  				messages = append(messages, err.Error())
   121  				fmt.Fprintf(r.Command.ErrOrStderr(), "%s failed (%s)\n", name, err)
   122  			} else {
   123  				fmt.Fprintf(r.Command.OutOrStderr(), "%s no longer proposed for deletion\n", name)
   124  			}
   125  		default:
   126  			msg := fmt.Sprintf("cannot reject %s with lifecycle '%s'", name, pr.Spec.Lifecycle)
   127  			messages = append(messages, msg)
   128  			fmt.Fprintln(r.Command.ErrOrStderr(), msg)
   129  		}
   130  	}
   131  
   132  	if len(messages) > 0 {
   133  		return errors.E(op, fmt.Errorf("errors:\n  %s", strings.Join(messages, "\n  ")))
   134  	}
   135  
   136  	return nil
   137  }