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434 lines
12 KiB
434 lines
12 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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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"testing"
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"time"
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"helm.sh/helm/v3/pkg/chart"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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kubefake "helm.sh/helm/v3/pkg/kube/fake"
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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 upgradeAction(t *testing.T) *Upgrade {
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config := actionConfigFixture(t)
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upAction := NewUpgrade(config)
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upAction.Namespace = "spaced"
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return upAction
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}
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func TestUpgradeRelease_Wait(t *testing.T) {
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is := assert.New(t)
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req := require.New(t)
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upAction := upgradeAction(t)
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rel := releaseStub()
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rel.Name = "come-fail-away"
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rel.Info.Status = release.StatusDeployed
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upAction.cfg.Releases.Create(rel)
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failer := upAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
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failer.WaitError = fmt.Errorf("I timed out")
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upAction.cfg.KubeClient = failer
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upAction.Wait = true
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vals := map[string]interface{}{}
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res, err := upAction.Run(rel.Name, buildChart(), vals)
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req.Error(err)
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is.Contains(res.Info.Description, "I timed out")
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is.Equal(res.Info.Status, release.StatusFailed)
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}
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func TestUpgradeRelease_WaitForJobs(t *testing.T) {
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is := assert.New(t)
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req := require.New(t)
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upAction := upgradeAction(t)
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rel := releaseStub()
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rel.Name = "come-fail-away"
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rel.Info.Status = release.StatusDeployed
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upAction.cfg.Releases.Create(rel)
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failer := upAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
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failer.WaitError = fmt.Errorf("I timed out")
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upAction.cfg.KubeClient = failer
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upAction.Wait = true
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upAction.WaitForJobs = true
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vals := map[string]interface{}{}
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res, err := upAction.Run(rel.Name, buildChart(), vals)
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req.Error(err)
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is.Contains(res.Info.Description, "I timed out")
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is.Equal(res.Info.Status, release.StatusFailed)
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}
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func TestUpgradeRelease_CleanupOnFail(t *testing.T) {
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is := assert.New(t)
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req := require.New(t)
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upAction := upgradeAction(t)
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rel := releaseStub()
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rel.Name = "come-fail-away"
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rel.Info.Status = release.StatusDeployed
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upAction.cfg.Releases.Create(rel)
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failer := upAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
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failer.WaitError = fmt.Errorf("I timed out")
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failer.DeleteError = fmt.Errorf("I tried to delete nil")
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upAction.cfg.KubeClient = failer
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upAction.Wait = true
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upAction.CleanupOnFail = true
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vals := map[string]interface{}{}
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res, err := upAction.Run(rel.Name, buildChart(), vals)
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req.Error(err)
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is.NotContains(err.Error(), "unable to cleanup resources")
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is.Contains(res.Info.Description, "I timed out")
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is.Equal(res.Info.Status, release.StatusFailed)
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}
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func TestUpgradeRelease_Atomic(t *testing.T) {
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is := assert.New(t)
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req := require.New(t)
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t.Run("atomic rollback succeeds", func(t *testing.T) {
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upAction := upgradeAction(t)
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rel := releaseStub()
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rel.Name = "nuketown"
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rel.Info.Status = release.StatusDeployed
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upAction.cfg.Releases.Create(rel)
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failer := upAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
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// We can't make Update error because then the rollback won't work
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failer.WatchUntilReadyError = fmt.Errorf("arming key removed")
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upAction.cfg.KubeClient = failer
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upAction.Atomic = true
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vals := map[string]interface{}{}
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res, err := upAction.Run(rel.Name, buildChart(), vals)
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req.Error(err)
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is.Contains(err.Error(), "arming key removed")
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is.Contains(err.Error(), "atomic")
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// Now make sure it is actually upgraded
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updatedRes, err := upAction.cfg.Releases.Get(res.Name, 3)
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is.NoError(err)
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// Should have rolled back to the previous
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is.Equal(updatedRes.Info.Status, release.StatusDeployed)
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})
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t.Run("atomic uninstall fails", func(t *testing.T) {
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upAction := upgradeAction(t)
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rel := releaseStub()
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rel.Name = "fallout"
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rel.Info.Status = release.StatusDeployed
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upAction.cfg.Releases.Create(rel)
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failer := upAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
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failer.UpdateError = fmt.Errorf("update fail")
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upAction.cfg.KubeClient = failer
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upAction.Atomic = true
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vals := map[string]interface{}{}
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_, err := upAction.Run(rel.Name, buildChart(), vals)
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req.Error(err)
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is.Contains(err.Error(), "update fail")
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is.Contains(err.Error(), "an error occurred while rolling back the release")
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})
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}
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func TestUpgradeRelease_ReuseValues(t *testing.T) {
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is := assert.New(t)
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t.Run("reuse values should work with values", func(t *testing.T) {
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upAction := upgradeAction(t)
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existingValues := map[string]interface{}{
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"name": "value",
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"maxHeapSize": "128m",
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"replicas": 2,
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}
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newValues := map[string]interface{}{
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"name": "newValue",
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"maxHeapSize": "512m",
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"cpu": "12m",
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}
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expectedValues := map[string]interface{}{
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"name": "newValue",
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"maxHeapSize": "512m",
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"cpu": "12m",
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"replicas": 2,
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}
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rel := releaseStub()
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rel.Name = "nuketown"
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rel.Info.Status = release.StatusDeployed
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rel.Config = existingValues
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err := upAction.cfg.Releases.Create(rel)
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is.NoError(err)
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upAction.ReuseValues = true
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// setting newValues and upgrading
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res, err := upAction.Run(rel.Name, buildChart(), newValues)
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is.NoError(err)
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// Now make sure it is actually upgraded
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updatedRes, err := upAction.cfg.Releases.Get(res.Name, 2)
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is.NoError(err)
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if updatedRes == nil {
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is.Fail("Updated Release is nil")
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return
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}
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is.Equal(release.StatusDeployed, updatedRes.Info.Status)
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is.Equal(expectedValues, updatedRes.Config)
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})
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t.Run("reuse values should not install disabled charts", func(t *testing.T) {
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upAction := upgradeAction(t)
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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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existingValues := map[string]interface{}{
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"subchart": map[string]interface{}{
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"enabled": false,
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},
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}
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rel := &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: "Named Release Stub",
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},
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Chart: sampleChart,
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Config: existingValues,
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Version: 1,
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}
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err := upAction.cfg.Releases.Create(rel)
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is.NoError(err)
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upAction.ReuseValues = true
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sampleChartWithSubChart := buildChart(
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withName(sampleChart.Name()),
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withValues(sampleChart.Values),
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withDependency(withName("subchart")),
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withMetadataDependency(dependency),
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)
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// reusing values and upgrading
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res, err := upAction.Run(rel.Name, sampleChartWithSubChart, map[string]interface{}{})
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is.NoError(err)
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// Now get the upgraded release
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updatedRes, err := upAction.cfg.Releases.Get(res.Name, 2)
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is.NoError(err)
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if updatedRes == nil {
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is.Fail("Updated Release is nil")
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return
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}
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is.Equal(release.StatusDeployed, updatedRes.Info.Status)
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is.Equal(0, len(updatedRes.Chart.Dependencies()), "expected 0 dependencies")
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expectedValues := map[string]interface{}{
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"subchart": map[string]interface{}{
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"enabled": false,
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},
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}
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is.Equal(expectedValues, updatedRes.Config)
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})
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}
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func TestUpgradeRelease_Pending(t *testing.T) {
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req := require.New(t)
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upAction := upgradeAction(t)
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rel := releaseStub()
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rel.Name = "come-fail-away"
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rel.Info.Status = release.StatusDeployed
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upAction.cfg.Releases.Create(rel)
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rel2 := releaseStub()
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rel2.Name = "come-fail-away"
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rel2.Info.Status = release.StatusPendingUpgrade
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rel2.Version = 2
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upAction.cfg.Releases.Create(rel2)
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vals := map[string]interface{}{}
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_, err := upAction.Run(rel.Name, buildChart(), vals)
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req.Contains(err.Error(), "progress", err)
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}
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func TestUpgradeRelease_Interrupted_Wait(t *testing.T) {
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if os.Getenv("HANDLE_SIGINT") == "1" {
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t.Run("Execute TestUpgradeRelease_Interrupted_Wait", func(t *testing.T) {
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is := assert.New(t)
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req := require.New(t)
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upAction := upgradeAction(t)
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rel := releaseStub()
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rel.Name = "interrupted-release"
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rel.Info.Status = release.StatusDeployed
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upAction.cfg.Releases.Create(rel)
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failer := upAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
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failer.WaitDuration = 10 * time.Second
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upAction.cfg.KubeClient = failer
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upAction.Wait = true
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vals := map[string]interface{}{}
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res, err := upAction.Run(rel.Name, buildChart(), vals)
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req.Error(err)
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is.Contains(res.Info.Description, "Upgrade \"interrupted-release\" failed: SIGTERM or SIGINT received, release failed")
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is.Equal(res.Info.Status, release.StatusFailed)
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})
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return
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}
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t.Run("Setup TestUpgradeRelease_Interrupted_Wait", func(t *testing.T) {
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cmd := exec.Command(os.Args[0], "-test.run=TestUpgradeRelease_Interrupted_Wait")
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cmd.Env = append(os.Environ(), "HANDLE_SIGINT=1")
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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t.Fatal(err)
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}
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stderr, err := cmd.StderrPipe()
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if err != nil {
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t.Fatal(err)
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}
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if err := cmd.Start(); err != nil {
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t.Fatal(err)
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}
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go func() {
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slurp, _ := ioutil.ReadAll(stdout)
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fmt.Printf("%s\n", slurp)
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}()
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go func() {
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slurp, _ := ioutil.ReadAll(stderr)
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fmt.Printf("%s\n", slurp)
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}()
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time.Sleep(2 * time.Second)
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p, _ := os.FindProcess(cmd.Process.Pid)
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if err := p.Signal(os.Interrupt); err != nil {
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t.Fatal(err)
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}
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if err := cmd.Wait(); err != nil {
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t.FailNow()
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}
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})
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}
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func TestUpgradeRelease_Interrupted_Atomic(t *testing.T) {
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if os.Getenv("HANDLE_SIGINT") == "1" {
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t.Run("Execute TestUpgradeRelease_Interrupted_Atomic", func(t *testing.T) {
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is := assert.New(t)
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req := require.New(t)
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upAction := upgradeAction(t)
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rel := releaseStub()
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rel.Name = "interrupted-release"
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rel.Info.Status = release.StatusDeployed
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upAction.cfg.Releases.Create(rel)
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failer := upAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
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failer.WaitDuration = 5 * time.Second
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upAction.cfg.KubeClient = failer
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upAction.Atomic = true
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vals := map[string]interface{}{}
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res, err := upAction.Run(rel.Name, buildChart(), vals)
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req.Error(err)
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is.Contains(err.Error(), "release interrupted-release failed, and has been rolled back due to atomic being set: SIGTERM or SIGINT received, release failed")
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// Now make sure it is actually upgraded
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updatedRes, err := upAction.cfg.Releases.Get(res.Name, 3)
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is.NoError(err)
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// Should have rolled back to the previous
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is.Equal(updatedRes.Info.Status, release.StatusDeployed)
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})
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return
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}
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t.Run("Setup TestUpgradeRelease_Interrupted_Atomic", func(t *testing.T) {
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cmd := exec.Command(os.Args[0], "-test.run=TestUpgradeRelease_Interrupted_Atomic")
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cmd.Env = append(os.Environ(), "HANDLE_SIGINT=1")
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stdout, err := cmd.StdoutPipe()
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if err != nil {
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t.Fatal(err)
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}
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stderr, err := cmd.StderrPipe()
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if err != nil {
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t.Fatal(err)
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}
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if err := cmd.Start(); err != nil {
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t.Fatal(err)
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}
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go func() {
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slurp, _ := ioutil.ReadAll(stdout)
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fmt.Printf("%s\n", slurp)
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}()
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go func() {
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slurp, _ := ioutil.ReadAll(stderr)
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fmt.Printf("%s\n", slurp)
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}()
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time.Sleep(2 * time.Second)
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p, _ := os.FindProcess(cmd.Process.Pid)
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if err := p.Signal(os.Interrupt); err != nil {
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t.Fatal(err)
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}
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if err := cmd.Wait(); err != nil {
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t.FailNow()
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}
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})
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}
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