github.com/strongmonkey/helm@v2.7.2+incompatible/pkg/helm/fake.go (about)

     1  /*
     2  Copyright 2016 The Kubernetes Authors All rights reserved.
     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 helm // import "k8s.io/helm/pkg/helm"
    18  
    19  import (
    20  	"fmt"
    21  	"sync"
    22  
    23  	"k8s.io/helm/pkg/proto/hapi/chart"
    24  	"k8s.io/helm/pkg/proto/hapi/release"
    25  	rls "k8s.io/helm/pkg/proto/hapi/services"
    26  	"k8s.io/helm/pkg/proto/hapi/version"
    27  )
    28  
    29  // FakeClient implements Interface
    30  type FakeClient struct {
    31  	Rels      []*release.Release
    32  	Responses map[string]release.TestRun_Status
    33  	Err       error
    34  }
    35  
    36  var _ Interface = &FakeClient{}
    37  var _ Interface = (*FakeClient)(nil)
    38  
    39  // ListReleases lists the current releases
    40  func (c *FakeClient) ListReleases(opts ...ReleaseListOption) (*rls.ListReleasesResponse, error) {
    41  	resp := &rls.ListReleasesResponse{
    42  		Count:    int64(len(c.Rels)),
    43  		Releases: c.Rels,
    44  	}
    45  	return resp, c.Err
    46  }
    47  
    48  // InstallRelease returns a response with the first Release on the fake release client
    49  func (c *FakeClient) InstallRelease(chStr, ns string, opts ...InstallOption) (*rls.InstallReleaseResponse, error) {
    50  	return &rls.InstallReleaseResponse{
    51  		Release: c.Rels[0],
    52  	}, nil
    53  }
    54  
    55  // InstallReleaseFromChart returns a response with the first Release on the fake release client
    56  func (c *FakeClient) InstallReleaseFromChart(chart *chart.Chart, ns string, opts ...InstallOption) (*rls.InstallReleaseResponse, error) {
    57  	return &rls.InstallReleaseResponse{
    58  		Release: c.Rels[0],
    59  	}, nil
    60  }
    61  
    62  // DeleteRelease returns nil, nil
    63  func (c *FakeClient) DeleteRelease(rlsName string, opts ...DeleteOption) (*rls.UninstallReleaseResponse, error) {
    64  	return nil, nil
    65  }
    66  
    67  // UpdateRelease returns nil, nil
    68  func (c *FakeClient) UpdateRelease(rlsName string, chStr string, opts ...UpdateOption) (*rls.UpdateReleaseResponse, error) {
    69  	return nil, nil
    70  }
    71  
    72  // GetVersion returns a fake version
    73  func (c *FakeClient) GetVersion(opts ...VersionOption) (*rls.GetVersionResponse, error) {
    74  	return &rls.GetVersionResponse{
    75  		Version: &version.Version{
    76  			SemVer: "1.2.3-fakeclient+testonly",
    77  		},
    78  	}, nil
    79  }
    80  
    81  // UpdateReleaseFromChart returns nil, nil
    82  func (c *FakeClient) UpdateReleaseFromChart(rlsName string, chart *chart.Chart, opts ...UpdateOption) (*rls.UpdateReleaseResponse, error) {
    83  	return nil, nil
    84  }
    85  
    86  // RollbackRelease returns nil, nil
    87  func (c *FakeClient) RollbackRelease(rlsName string, opts ...RollbackOption) (*rls.RollbackReleaseResponse, error) {
    88  	return nil, nil
    89  }
    90  
    91  // ReleaseStatus returns a release status response with info from the first release in the fake
    92  // release client
    93  func (c *FakeClient) ReleaseStatus(rlsName string, opts ...StatusOption) (*rls.GetReleaseStatusResponse, error) {
    94  	if c.Rels[0] != nil {
    95  		return &rls.GetReleaseStatusResponse{
    96  			Name:      c.Rels[0].Name,
    97  			Info:      c.Rels[0].Info,
    98  			Namespace: c.Rels[0].Namespace,
    99  		}, nil
   100  	}
   101  	return nil, fmt.Errorf("No such release: %s", rlsName)
   102  }
   103  
   104  // ReleaseContent returns the configuration for the first release in the fake release client
   105  func (c *FakeClient) ReleaseContent(rlsName string, opts ...ContentOption) (resp *rls.GetReleaseContentResponse, err error) {
   106  	if len(c.Rels) > 0 {
   107  		resp = &rls.GetReleaseContentResponse{
   108  			Release: c.Rels[0],
   109  		}
   110  	}
   111  	return resp, c.Err
   112  }
   113  
   114  // ReleaseHistory returns a release's revision history.
   115  func (c *FakeClient) ReleaseHistory(rlsName string, opts ...HistoryOption) (*rls.GetHistoryResponse, error) {
   116  	return &rls.GetHistoryResponse{Releases: c.Rels}, c.Err
   117  }
   118  
   119  // RunReleaseTest executes a pre-defined tests on a release
   120  func (c *FakeClient) RunReleaseTest(rlsName string, opts ...ReleaseTestOption) (<-chan *rls.TestReleaseResponse, <-chan error) {
   121  
   122  	results := make(chan *rls.TestReleaseResponse)
   123  	errc := make(chan error, 1)
   124  
   125  	go func() {
   126  		var wg sync.WaitGroup
   127  		for m, s := range c.Responses {
   128  			wg.Add(1)
   129  
   130  			go func(msg string, status release.TestRun_Status) {
   131  				defer wg.Done()
   132  				results <- &rls.TestReleaseResponse{Msg: msg, Status: status}
   133  			}(m, s)
   134  		}
   135  
   136  		wg.Wait()
   137  		close(results)
   138  		close(errc)
   139  	}()
   140  
   141  	return results, errc
   142  }
   143  
   144  // Option returns the fake release client
   145  func (c *FakeClient) Option(opt ...Option) Interface {
   146  	return c
   147  }