mirror of
https://github.com/helm/chart-testing.git
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d69c43e71b
Allows to identify chart changes before actually running lint or install commands. This can be useful in the following cases: * In a CI setup where kind clusters are spun up on the fly, this makes it possible to decide whether a cluster is necessary at all. A PR may only contain changes that are not relevant to any charts. * By knowing upfront which charts have changed, it is possible to load a per-chart CI configuration which would allows us to determine the number of nodes needed in a kind cluster. For most charts, one node is enough, but in certain scenarios, especially for StatefulSets, we may want to test with pod anti-affinity where replicas have to be spread across multiple nodes. Signed-off-by: Reinhard Nägele <unguiculus@gmail.com>
95 lines
2.9 KiB
Go
95 lines
2.9 KiB
Go
// Copyright The Helm Authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package cmd
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import (
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"fmt"
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"os"
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"github.com/MakeNowJust/heredoc"
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"github.com/helm/chart-testing/pkg/chart"
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"github.com/helm/chart-testing/pkg/config"
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"github.com/spf13/cobra"
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flag "github.com/spf13/pflag"
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)
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func newInstallCmd() *cobra.Command {
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cmd := &cobra.Command{
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Use: "install",
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Short: "Install and test a chart",
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Long: heredoc.Doc(`
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Run 'helm install' and ' helm test' on
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* changed charts (default)
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* specific charts (--charts)
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* all charts (--all)
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in given chart directories.
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Charts may have multiple custom values files matching the glob pattern
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'*-values.yaml' in a directory named 'ci' in the root of the chart's
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directory. The chart is installed and tested for each of these files.
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If no custom values file is present, the chart is installed and
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tested with defaults.`),
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Run: install,
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}
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flags := cmd.Flags()
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addInstallFlags(flags)
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addCommonLintAndInstallFlags(flags)
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return cmd
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}
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func addInstallFlags(flags *flag.FlagSet) {
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flags.String("build-id", "", heredoc.Doc(`
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An optional, arbitrary identifier that is added to the name of the namespace a
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chart is installed into. In a CI environment, this could be the build number or
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the ID of a pull request. If not specified, the name of the chart is used`))
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flags.String("helm-extra-args", "", heredoc.Doc(`
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Additional arguments for Helm. Must be passed as a single quoted string
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(e.g. "--timeout 500 --tiller-namespace tiller"`))
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flags.String("namespace", "", heredoc.Doc(`
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Namespace to install the release(s) into. If not specified, each release will be
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installed in its own randomly generated namespace.`))
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flags.String("release-label", "app.kubernetes.io/instance", heredoc.Doc(`
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The label to be used as a selector when inspecting resources created by charts.
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This is only used if namespace is specified.`))
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}
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func install(cmd *cobra.Command, args []string) {
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fmt.Println("Installing charts...")
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configuration, err := config.LoadConfiguration(cfgFile, cmd, true)
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if err != nil {
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fmt.Printf("Error loading configuration: %s\n", err)
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os.Exit(1)
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}
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testing := chart.NewTesting(*configuration)
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results, err := testing.InstallCharts()
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if err != nil {
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fmt.Printf("Error installing charts: %s\n", err)
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} else {
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fmt.Println("All charts installed successfully")
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}
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testing.PrintResults(results)
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if err != nil {
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os.Exit(1)
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}
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}
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