github.com/wmuizelaar/kpt@v0.0.0-20221018115725-bd564717b2ed/commands/live/installrg/cmdinstallrg.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 installrg
    16  
    17  import (
    18  	"context"
    19  	"fmt"
    20  
    21  	"github.com/GoogleContainerTools/kpt/internal/docs/generated/livedocs"
    22  	"github.com/GoogleContainerTools/kpt/pkg/live"
    23  	"github.com/spf13/cobra"
    24  	"k8s.io/cli-runtime/pkg/genericclioptions"
    25  	cmdutil "k8s.io/kubectl/pkg/cmd/util"
    26  )
    27  
    28  // NewRunner returns a command runner
    29  func NewRunner(
    30  	ctx context.Context,
    31  	factory cmdutil.Factory,
    32  	ioStreams genericclioptions.IOStreams,
    33  ) *Runner {
    34  	r := &Runner{
    35  		ctx:       ctx,
    36  		ioStreams: ioStreams,
    37  		factory:   factory,
    38  	}
    39  	c := &cobra.Command{
    40  		Use:     "install-resource-group",
    41  		RunE:    r.runE,
    42  		PreRunE: r.preRunE,
    43  		Short:   livedocs.InstallResourceGroupShort,
    44  		Long:    livedocs.InstallResourceGroupShort + "\n" + livedocs.InstallResourceGroupLong,
    45  		Example: livedocs.InstallResourceGroupExamples,
    46  	}
    47  	r.Command = c
    48  	return r
    49  }
    50  
    51  func NewCommand(
    52  	ctx context.Context,
    53  	factory cmdutil.Factory,
    54  	ioStreams genericclioptions.IOStreams,
    55  ) *cobra.Command {
    56  	return NewRunner(ctx, factory, ioStreams).Command
    57  }
    58  
    59  // Runner contains the run function
    60  type Runner struct {
    61  	ctx       context.Context
    62  	Command   *cobra.Command
    63  	ioStreams genericclioptions.IOStreams
    64  	factory   cmdutil.Factory
    65  }
    66  
    67  func (r *Runner) preRunE(_ *cobra.Command, _ []string) error {
    68  	return nil
    69  }
    70  
    71  func (r *Runner) runE(_ *cobra.Command, args []string) error {
    72  	// Validate the number of arguments.
    73  	if len(args) > 0 {
    74  		return fmt.Errorf("too many arguments; install-resource-group takes no arguments")
    75  	}
    76  	fmt.Fprint(r.ioStreams.Out, "installing inventory ResourceGroup CRD...")
    77  
    78  	err := (&live.ResourceGroupInstaller{
    79  		Factory: r.factory,
    80  	}).InstallRG(r.ctx)
    81  
    82  	if err == nil {
    83  		fmt.Fprintln(r.ioStreams.Out, "success")
    84  	} else {
    85  		fmt.Fprintln(r.ioStreams.Out, "failed")
    86  	}
    87  	return err
    88  }