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464 lines
14 KiB
464 lines
14 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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"log"
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"os"
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"path/filepath"
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"regexp"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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"helm.sh/helm/internal/test"
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"helm.sh/helm/pkg/chartutil"
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kubefake "helm.sh/helm/pkg/kube/fake"
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"helm.sh/helm/pkg/release"
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"helm.sh/helm/pkg/storage/driver"
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)
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type nameTemplateTestCase struct {
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tpl string
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expected string
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expectedErrorStr string
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}
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func installAction(t *testing.T) *Install {
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config := actionConfigFixture(t)
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instAction := NewInstall(config)
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instAction.Namespace = "spaced"
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instAction.ReleaseName = "test-install-release"
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return instAction
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}
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func TestInstallRelease(t *testing.T) {
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is := assert.New(t)
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instAction := installAction(t)
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vals := map[string]interface{}{}
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res, err := instAction.Run(buildChart(), vals)
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if err != nil {
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t.Fatalf("Failed install: %s", err)
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}
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is.Equal(res.Name, "test-install-release", "Expected release name.")
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is.Equal(res.Namespace, "spaced")
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rel, err := instAction.cfg.Releases.Get(res.Name, res.Version)
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is.NoError(err)
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is.Len(rel.Hooks, 1)
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is.Equal(rel.Hooks[0].Manifest, manifestWithHook)
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is.Equal(rel.Hooks[0].Events[0], release.HookPostInstall)
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is.Equal(rel.Hooks[0].Events[1], release.HookPreDelete, "Expected event 0 is pre-delete")
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is.NotEqual(len(res.Manifest), 0)
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is.NotEqual(len(rel.Manifest), 0)
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is.Contains(rel.Manifest, "---\n# Source: hello/templates/hello\nhello: world")
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is.Equal(rel.Info.Description, "Install complete")
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}
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func TestInstallReleaseWithValues(t *testing.T) {
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is := assert.New(t)
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instAction := installAction(t)
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userVals := map[string]interface{}{}
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expectedUserValues := map[string]interface{}{}
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res, err := instAction.Run(buildChart(withSampleValues()), userVals)
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if err != nil {
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t.Fatalf("Failed install: %s", err)
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}
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is.Equal(res.Name, "test-install-release", "Expected release name.")
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is.Equal(res.Namespace, "spaced")
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rel, err := instAction.cfg.Releases.Get(res.Name, res.Version)
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is.NoError(err)
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is.Len(rel.Hooks, 1)
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is.Equal(rel.Hooks[0].Manifest, manifestWithHook)
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is.Equal(rel.Hooks[0].Events[0], release.HookPostInstall)
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is.Equal(rel.Hooks[0].Events[1], release.HookPreDelete, "Expected event 0 is pre-delete")
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is.NotEqual(len(res.Manifest), 0)
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is.NotEqual(len(rel.Manifest), 0)
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is.Contains(rel.Manifest, "---\n# Source: hello/templates/hello\nhello: world")
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is.Equal("Install complete", rel.Info.Description)
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is.Equal(expectedUserValues, rel.Config)
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}
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func TestInstallReleaseClientOnly(t *testing.T) {
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is := assert.New(t)
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instAction := installAction(t)
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instAction.ClientOnly = true
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instAction.Run(buildChart(), nil) // disregard output
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is.Equal(instAction.cfg.Capabilities, chartutil.DefaultCapabilities)
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is.Equal(instAction.cfg.KubeClient, &kubefake.PrintingKubeClient{Out: ioutil.Discard})
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}
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func TestInstallRelease_NoName(t *testing.T) {
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instAction := installAction(t)
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instAction.ReleaseName = ""
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vals := map[string]interface{}{}
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_, err := instAction.Run(buildChart(), vals)
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if err == nil {
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t.Fatal("expected failure when no name is specified")
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}
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assert.Contains(t, err.Error(), "name is required")
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}
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func TestInstallRelease_WithNotes(t *testing.T) {
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is := assert.New(t)
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instAction := installAction(t)
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instAction.ReleaseName = "with-notes"
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vals := map[string]interface{}{}
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res, err := instAction.Run(buildChart(withNotes("note here")), vals)
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if err != nil {
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t.Fatalf("Failed install: %s", err)
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}
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is.Equal(res.Name, "with-notes")
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is.Equal(res.Namespace, "spaced")
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rel, err := instAction.cfg.Releases.Get(res.Name, res.Version)
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is.NoError(err)
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is.Len(rel.Hooks, 1)
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is.Equal(rel.Hooks[0].Manifest, manifestWithHook)
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is.Equal(rel.Hooks[0].Events[0], release.HookPostInstall)
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is.Equal(rel.Hooks[0].Events[1], release.HookPreDelete, "Expected event 0 is pre-delete")
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is.NotEqual(len(res.Manifest), 0)
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is.NotEqual(len(rel.Manifest), 0)
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is.Contains(rel.Manifest, "---\n# Source: hello/templates/hello\nhello: world")
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is.Equal(rel.Info.Description, "Install complete")
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is.Equal(rel.Info.Notes, "note here")
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}
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func TestInstallRelease_WithNotesRendered(t *testing.T) {
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is := assert.New(t)
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instAction := installAction(t)
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instAction.ReleaseName = "with-notes"
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vals := map[string]interface{}{}
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res, err := instAction.Run(buildChart(withNotes("got-{{.Release.Name}}")), vals)
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if err != nil {
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t.Fatalf("Failed install: %s", err)
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}
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rel, err := instAction.cfg.Releases.Get(res.Name, res.Version)
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is.NoError(err)
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expectedNotes := fmt.Sprintf("got-%s", res.Name)
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is.Equal(expectedNotes, rel.Info.Notes)
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is.Equal(rel.Info.Description, "Install complete")
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}
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func TestInstallRelease_WithChartAndDependencyParentNotes(t *testing.T) {
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// Regression: Make sure that the child's notes don't override the parent's
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is := assert.New(t)
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instAction := installAction(t)
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instAction.ReleaseName = "with-notes"
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vals := map[string]interface{}{}
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res, err := instAction.Run(buildChart(withNotes("parent"), withDependency(withNotes("child"))), vals)
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if err != nil {
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t.Fatalf("Failed install: %s", err)
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}
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rel, err := instAction.cfg.Releases.Get(res.Name, res.Version)
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is.Equal("with-notes", rel.Name)
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is.NoError(err)
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is.Equal("parent", rel.Info.Notes)
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is.Equal(rel.Info.Description, "Install complete")
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}
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func TestInstallRelease_WithChartAndDependencyAllNotes(t *testing.T) {
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// Regression: Make sure that the child's notes don't override the parent's
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is := assert.New(t)
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instAction := installAction(t)
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instAction.ReleaseName = "with-notes"
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instAction.SubNotes = true
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vals := map[string]interface{}{}
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res, err := instAction.Run(buildChart(withNotes("parent"), withDependency(withNotes("child"))), vals)
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if err != nil {
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t.Fatalf("Failed install: %s", err)
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}
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rel, err := instAction.cfg.Releases.Get(res.Name, res.Version)
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is.Equal("with-notes", rel.Name)
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is.NoError(err)
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// test run can return as either 'parent\nchild' or 'child\nparent'
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if !strings.Contains(rel.Info.Notes, "parent") && !strings.Contains(rel.Info.Notes, "child") {
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t.Fatalf("Expected 'parent\nchild' or 'child\nparent', got '%s'", rel.Info.Notes)
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}
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is.Equal(rel.Info.Description, "Install complete")
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}
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func TestInstallRelease_DryRun(t *testing.T) {
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is := assert.New(t)
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instAction := installAction(t)
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instAction.DryRun = true
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vals := map[string]interface{}{}
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res, err := instAction.Run(buildChart(withSampleTemplates()), vals)
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if err != nil {
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t.Fatalf("Failed install: %s", err)
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}
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is.Contains(res.Manifest, "---\n# Source: hello/templates/hello\nhello: world")
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is.Contains(res.Manifest, "---\n# Source: hello/templates/goodbye\ngoodbye: world")
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is.Contains(res.Manifest, "hello: Earth")
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is.NotContains(res.Manifest, "hello: {{ template \"_planet\" . }}")
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is.NotContains(res.Manifest, "empty")
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_, err = instAction.cfg.Releases.Get(res.Name, res.Version)
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is.Error(err)
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is.Len(res.Hooks, 1)
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is.True(res.Hooks[0].LastRun.CompletedAt.IsZero(), "expect hook to not be marked as run")
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is.Equal(res.Info.Description, "Dry run complete")
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}
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func TestInstallRelease_NoHooks(t *testing.T) {
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is := assert.New(t)
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instAction := installAction(t)
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instAction.DisableHooks = true
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instAction.ReleaseName = "no-hooks"
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instAction.cfg.Releases.Create(releaseStub())
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vals := map[string]interface{}{}
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res, err := instAction.Run(buildChart(), vals)
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if err != nil {
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t.Fatalf("Failed install: %s", err)
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}
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is.True(res.Hooks[0].LastRun.CompletedAt.IsZero(), "hooks should not run with no-hooks")
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}
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func TestInstallRelease_FailedHooks(t *testing.T) {
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is := assert.New(t)
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instAction := installAction(t)
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instAction.ReleaseName = "failed-hooks"
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failer := instAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
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failer.WatchUntilReadyError = fmt.Errorf("Failed watch")
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instAction.cfg.KubeClient = failer
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vals := map[string]interface{}{}
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res, err := instAction.Run(buildChart(), vals)
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is.Error(err)
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is.Contains(res.Info.Description, "failed post-install")
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is.Equal(release.StatusFailed, res.Info.Status)
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}
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func TestInstallRelease_ReplaceRelease(t *testing.T) {
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is := assert.New(t)
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instAction := installAction(t)
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instAction.Replace = true
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rel := releaseStub()
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rel.Info.Status = release.StatusUninstalled
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instAction.cfg.Releases.Create(rel)
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instAction.ReleaseName = rel.Name
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vals := map[string]interface{}{}
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res, err := instAction.Run(buildChart(), vals)
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is.NoError(err)
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// This should have been auto-incremented
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is.Equal(2, res.Version)
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is.Equal(res.Name, rel.Name)
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getres, err := instAction.cfg.Releases.Get(rel.Name, res.Version)
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is.NoError(err)
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is.Equal(getres.Info.Status, release.StatusDeployed)
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}
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func TestInstallRelease_KubeVersion(t *testing.T) {
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is := assert.New(t)
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instAction := installAction(t)
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vals := map[string]interface{}{}
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_, err := instAction.Run(buildChart(withKube(">=0.0.0")), vals)
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is.NoError(err)
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// This should fail for a few hundred years
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instAction.ReleaseName = "should-fail"
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vals = map[string]interface{}{}
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_, err = instAction.Run(buildChart(withKube(">=99.0.0")), vals)
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is.Error(err)
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is.Contains(err.Error(), "chart requires kubernetesVersion")
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}
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func TestInstallRelease_Wait(t *testing.T) {
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is := assert.New(t)
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instAction := installAction(t)
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instAction.ReleaseName = "come-fail-away"
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failer := instAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
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failer.WaitError = fmt.Errorf("I timed out")
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instAction.cfg.KubeClient = failer
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instAction.Wait = true
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vals := map[string]interface{}{}
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res, err := instAction.Run(buildChart(), vals)
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is.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 TestInstallRelease_Atomic(t *testing.T) {
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is := assert.New(t)
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t.Run("atomic uninstall succeeds", func(t *testing.T) {
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instAction := installAction(t)
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instAction.ReleaseName = "come-fail-away"
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failer := instAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
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failer.WaitError = fmt.Errorf("I timed out")
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instAction.cfg.KubeClient = failer
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instAction.Atomic = true
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vals := map[string]interface{}{}
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res, err := instAction.Run(buildChart(), vals)
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is.Error(err)
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is.Contains(err.Error(), "I timed out")
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is.Contains(err.Error(), "atomic")
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// Now make sure it isn't in storage any more
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_, err = instAction.cfg.Releases.Get(res.Name, res.Version)
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is.Error(err)
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is.Equal(err, driver.ErrReleaseNotFound)
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})
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t.Run("atomic uninstall fails", func(t *testing.T) {
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instAction := installAction(t)
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instAction.ReleaseName = "come-fail-away-with-me"
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failer := instAction.cfg.KubeClient.(*kubefake.FailingKubeClient)
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failer.WaitError = fmt.Errorf("I timed out")
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failer.DeleteError = fmt.Errorf("uninstall fail")
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instAction.cfg.KubeClient = failer
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instAction.Atomic = true
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vals := map[string]interface{}{}
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_, err := instAction.Run(buildChart(), vals)
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is.Error(err)
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is.Contains(err.Error(), "I timed out")
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is.Contains(err.Error(), "uninstall fail")
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is.Contains(err.Error(), "an error occurred while uninstalling the release")
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})
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}
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func TestNameTemplate(t *testing.T) {
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testCases := []nameTemplateTestCase{
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// Just a straight up nop please
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{
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tpl: "foobar",
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expected: "foobar",
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expectedErrorStr: "",
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},
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// Random numbers at the end for fun & profit
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{
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tpl: "foobar-{{randNumeric 6}}",
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expected: "foobar-[0-9]{6}$",
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expectedErrorStr: "",
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},
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// Random numbers in the middle for fun & profit
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{
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tpl: "foobar-{{randNumeric 4}}-baz",
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expected: "foobar-[0-9]{4}-baz$",
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expectedErrorStr: "",
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},
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// No such function
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{
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tpl: "foobar-{{randInt}}",
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expected: "",
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expectedErrorStr: "function \"randInt\" not defined",
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},
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// Invalid template
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{
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tpl: "foobar-{{",
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expected: "",
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expectedErrorStr: "unexpected unclosed action",
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},
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}
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for _, tc := range testCases {
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n, err := TemplateName(tc.tpl)
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if err != nil {
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if tc.expectedErrorStr == "" {
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t.Errorf("Was not expecting error, but got: %v", err)
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continue
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}
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re, compErr := regexp.Compile(tc.expectedErrorStr)
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if compErr != nil {
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t.Errorf("Expected error string failed to compile: %v", compErr)
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continue
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}
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if !re.MatchString(err.Error()) {
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t.Errorf("Error didn't match for %s expected %s but got %v", tc.tpl, tc.expectedErrorStr, err)
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continue
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}
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}
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if err == nil && tc.expectedErrorStr != "" {
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t.Errorf("Was expecting error %s but didn't get an error back", tc.expectedErrorStr)
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}
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if tc.expected != "" {
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re, err := regexp.Compile(tc.expected)
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if err != nil {
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t.Errorf("Expected string failed to compile: %v", err)
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continue
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}
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if !re.MatchString(n) {
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t.Errorf("Returned name didn't match for %s expected %s but got %s", tc.tpl, tc.expected, n)
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}
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}
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}
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}
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func TestInstallReleaseOutputDir(t *testing.T) {
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is := assert.New(t)
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instAction := installAction(t)
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vals := map[string]interface{}{}
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dir, err := ioutil.TempDir("", "output-dir")
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if err != nil {
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log.Fatal(err)
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}
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defer os.RemoveAll(dir)
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instAction.OutputDir = dir
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_, err = instAction.Run(buildChart(withSampleTemplates(), withMultipleManifestTemplate()), vals)
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if err != nil {
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t.Fatalf("Failed install: %s", err)
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}
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_, err = os.Stat(filepath.Join(dir, "hello/templates/goodbye"))
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is.NoError(err)
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_, err = os.Stat(filepath.Join(dir, "hello/templates/hello"))
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is.NoError(err)
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_, err = os.Stat(filepath.Join(dir, "hello/templates/with-partials"))
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is.NoError(err)
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_, err = os.Stat(filepath.Join(dir, "hello/templates/rbac"))
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is.NoError(err)
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test.AssertGoldenFile(t, filepath.Join(dir, "hello/templates/rbac"), "rbac.txt")
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_, err = os.Stat(filepath.Join(dir, "hello/templates/empty"))
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is.True(os.IsNotExist(err))
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}
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