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275 lines
7.1 KiB
275 lines
7.1 KiB
/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package action
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"helm.sh/helm/v3/pkg/chart"
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"helm.sh/helm/v3/pkg/release"
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helmtime "helm.sh/helm/v3/pkg/time"
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)
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func rollbackAction(t *testing.T) *Rollback {
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config := actionConfigFixture(t)
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rollAction := NewRollback(config)
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return rollAction
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}
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func TestRollbackRelease_HookParallelism(t *testing.T) {
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is := assert.New(t)
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t.Run("hook parallelism of 0 defaults to 1", func(t *testing.T) {
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rollAction := rollbackAction(t)
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rollAction.HookParallelism = 0
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chartDefaultValues := map[string]interface{}{
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"subchart": map[string]interface{}{
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"enabled": true,
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},
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}
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dependency := chart.Dependency{
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Name: "subchart",
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Version: "0.1.0",
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Repository: "http://some-repo.com",
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Condition: "subchart.enabled",
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}
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sampleChart := buildChart(
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withName("sample"),
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withValues(chartDefaultValues),
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withMetadataDependency(dependency),
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)
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now := helmtime.Now()
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rel1 := &release.Release{
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Name: "nuketown",
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Info: &release.Info{
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FirstDeployed: now,
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LastDeployed: now,
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Status: release.StatusDeployed,
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Description: "Release 1",
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},
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Chart: sampleChart,
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Version: 1,
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Hooks: []*release.Hook{
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{
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Name: "test-cm",
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Kind: "ConfigMap",
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Path: "test-cm",
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Manifest: manifestWithHook,
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Events: []release.HookEvent{
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release.HookPreRollback,
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release.HookPostRollback,
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},
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},
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},
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}
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rel2 := &release.Release{
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Name: "nuketown",
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Info: &release.Info{
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FirstDeployed: now,
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LastDeployed: now,
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Status: release.StatusDeployed,
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Description: "Release 2",
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},
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Chart: sampleChart,
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Version: 2,
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}
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err := rollAction.cfg.Releases.Create(rel1)
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is.NoError(err)
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err = rollAction.cfg.Releases.Create(rel2)
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is.NoError(err)
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err = rollAction.Run(rel2.Name)
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if err != nil {
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t.Fatalf("Failed rollback: %s", err)
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}
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rel, err := rollAction.cfg.Releases.Get(rel1.Name, 3)
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is.NoError(err)
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is.Equal("nuketown", rel.Name, "Expected release name.")
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is.Len(rel.Hooks, 1)
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is.Equal(manifestWithHook, rel.Hooks[0].Manifest)
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is.Equal(release.HookPreRollback, rel.Hooks[0].Events[0])
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is.Equal(release.HookPostRollback, rel.Hooks[0].Events[1])
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is.Equal(0, len(rel.Manifest))
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is.Equal("Rollback to 1", rel.Info.Description)
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})
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t.Run("hook parallelism greater than number of hooks", func(t *testing.T) {
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rollAction := rollbackAction(t)
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rollAction.HookParallelism = 10
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chartDefaultValues := map[string]interface{}{
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"subchart": map[string]interface{}{
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"enabled": true,
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},
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}
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dependency := chart.Dependency{
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Name: "subchart",
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Version: "0.1.0",
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Repository: "http://some-repo.com",
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Condition: "subchart.enabled",
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}
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sampleChart := buildChart(
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withName("sample"),
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withValues(chartDefaultValues),
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withMetadataDependency(dependency),
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)
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now := helmtime.Now()
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rel1 := &release.Release{
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Name: "nuketown",
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Info: &release.Info{
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FirstDeployed: now,
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LastDeployed: now,
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Status: release.StatusDeployed,
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Description: "Release 1",
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},
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Chart: sampleChart,
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Version: 1,
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Hooks: []*release.Hook{
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{
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Name: "test-cm",
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Kind: "ConfigMap",
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Path: "test-cm",
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Manifest: manifestWithHook,
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Events: []release.HookEvent{
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release.HookPreRollback,
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release.HookPostRollback,
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},
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},
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},
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}
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rel2 := &release.Release{
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Name: "nuketown",
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Info: &release.Info{
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FirstDeployed: now,
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LastDeployed: now,
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Status: release.StatusDeployed,
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Description: "Release 2",
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},
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Chart: sampleChart,
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Version: 2,
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}
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err := rollAction.cfg.Releases.Create(rel1)
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is.NoError(err)
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err = rollAction.cfg.Releases.Create(rel2)
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is.NoError(err)
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err = rollAction.Run(rel2.Name)
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if err != nil {
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t.Fatalf("Failed rollback: %s", err)
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}
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rel, err := rollAction.cfg.Releases.Get(rel1.Name, 3)
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is.NoError(err)
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is.Equal("nuketown", rel.Name, "Expected release name.")
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is.Len(rel.Hooks, 1)
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is.Equal(manifestWithHook, rel.Hooks[0].Manifest)
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is.Equal(release.HookPreRollback, rel.Hooks[0].Events[0])
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is.Equal(release.HookPostRollback, rel.Hooks[0].Events[1])
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is.Equal(0, len(rel.Manifest))
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is.Equal("Rollback to 1", rel.Info.Description)
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})
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t.Run("hook parallelism with multiple hooks", func(t *testing.T) {
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rollAction := rollbackAction(t)
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rollAction.HookParallelism = 10
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chartDefaultValues := map[string]interface{}{
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"subchart": map[string]interface{}{
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"enabled": true,
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},
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}
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dependency := chart.Dependency{
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Name: "subchart",
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Version: "0.1.0",
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Repository: "http://some-repo.com",
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Condition: "subchart.enabled",
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}
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sampleChart := buildChart(
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withName("sample"),
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withValues(chartDefaultValues),
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withMetadataDependency(dependency),
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withSecondHook(manifestWithHook),
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)
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now := helmtime.Now()
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rel1 := &release.Release{
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Name: "nuketown",
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Info: &release.Info{
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FirstDeployed: now,
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LastDeployed: now,
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Status: release.StatusDeployed,
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Description: "Release 1",
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},
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Chart: sampleChart,
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Version: 1,
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Hooks: []*release.Hook{
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{
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Name: "test-cm",
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Kind: "ConfigMap",
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Path: "test-cm",
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Manifest: manifestWithHook,
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Events: []release.HookEvent{
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release.HookPreRollback,
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release.HookPostRollback,
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},
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},
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{
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Name: "test-cm",
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Kind: "ConfigMap",
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Path: "test-cm",
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Manifest: manifestWithHook,
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Events: []release.HookEvent{
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release.HookPreRollback,
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release.HookPostRollback,
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},
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},
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},
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}
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rel2 := &release.Release{
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Name: "nuketown",
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Info: &release.Info{
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FirstDeployed: now,
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LastDeployed: now,
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Status: release.StatusDeployed,
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Description: "Release 2",
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},
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Chart: sampleChart,
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Version: 2,
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}
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err := rollAction.cfg.Releases.Create(rel1)
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is.NoError(err)
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err = rollAction.cfg.Releases.Create(rel2)
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is.NoError(err)
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err = rollAction.Run(rel2.Name)
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if err != nil {
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t.Fatalf("Failed rollback: %s", err)
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}
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rel, err := rollAction.cfg.Releases.Get(rel1.Name, 3)
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is.NoError(err)
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is.Equal("nuketown", rel.Name, "Expected release name.")
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is.Len(rel.Hooks, 2)
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is.Equal(manifestWithHook, rel.Hooks[0].Manifest)
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is.Equal(release.HookPreRollback, rel.Hooks[0].Events[0])
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is.Equal(release.HookPostRollback, rel.Hooks[0].Events[1])
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is.Equal(manifestWithHook, rel.Hooks[1].Manifest)
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is.Equal(release.HookPreRollback, rel.Hooks[1].Events[0])
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is.Equal(release.HookPostRollback, rel.Hooks[1].Events[1])
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is.Equal(0, len(rel.Manifest))
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is.Equal("Rollback to 1", rel.Info.Description)
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})
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}
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