github.com/umeshredd/helm@v3.0.0-alpha.1+incompatible/pkg/kube/printer.go (about)

     1  /*
     2  Copyright The Helm Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package kube
    18  
    19  import (
    20  	"io"
    21  	"time"
    22  
    23  	v1 "k8s.io/api/core/v1"
    24  	"k8s.io/cli-runtime/pkg/resource"
    25  )
    26  
    27  // PrintingKubeClient implements KubeClient, but simply prints the reader to
    28  // the given output.
    29  type PrintingKubeClient struct {
    30  	Out io.Writer
    31  }
    32  
    33  // Create prints the values of what would be created with a real KubeClient.
    34  func (p *PrintingKubeClient) Create(r io.Reader) error {
    35  	_, err := io.Copy(p.Out, r)
    36  	return err
    37  }
    38  
    39  func (p *PrintingKubeClient) Wait(r io.Reader, _ time.Duration) error {
    40  	_, err := io.Copy(p.Out, r)
    41  	return err
    42  }
    43  
    44  // Get prints the values of what would be created with a real KubeClient.
    45  func (p *PrintingKubeClient) Get(r io.Reader) (string, error) {
    46  	_, err := io.Copy(p.Out, r)
    47  	return "", err
    48  }
    49  
    50  // Delete implements KubeClient delete.
    51  //
    52  // It only prints out the content to be deleted.
    53  func (p *PrintingKubeClient) Delete(r io.Reader) error {
    54  	_, err := io.Copy(p.Out, r)
    55  	return err
    56  }
    57  
    58  // WatchUntilReady implements KubeClient WatchUntilReady.
    59  func (p *PrintingKubeClient) WatchUntilReady(r io.Reader, _ time.Duration) error {
    60  	_, err := io.Copy(p.Out, r)
    61  	return err
    62  }
    63  
    64  // Update implements KubeClient Update.
    65  func (p *PrintingKubeClient) Update(_, modifiedReader io.Reader, _, _ bool) error {
    66  	_, err := io.Copy(p.Out, modifiedReader)
    67  	return err
    68  }
    69  
    70  // Build implements KubeClient Build.
    71  func (p *PrintingKubeClient) Build(_ io.Reader) (Result, error) {
    72  	return []*resource.Info{}, nil
    73  }
    74  
    75  func (p *PrintingKubeClient) BuildUnstructured(_ io.Reader) (Result, error) {
    76  	return p.Build(nil)
    77  }
    78  
    79  // WaitAndGetCompletedPodPhase implements KubeClient WaitAndGetCompletedPodPhase.
    80  func (p *PrintingKubeClient) WaitAndGetCompletedPodPhase(_ string, _ time.Duration) (v1.PodPhase, error) {
    81  	return v1.PodSucceeded, nil
    82  }