320 lines
9.2 KiB
Go
320 lines
9.2 KiB
Go
package state
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import (
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"fmt"
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"os"
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"path/filepath"
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"github.com/helmfile/chartify"
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"github.com/helmfile/helmfile/pkg/helmexec"
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"github.com/helmfile/helmfile/pkg/remote"
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)
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type Dependency struct {
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Chart string `yaml:"chart"`
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Version string `yaml:"version"`
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Alias string `yaml:"alias"`
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}
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func (st *HelmState) appendHelmXFlags(flags []string, release *ReleaseSpec) []string {
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for _, adopt := range release.Adopt {
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flags = append(flags, "--adopt", adopt)
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}
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return flags
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}
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// append post-renderer flags to helm flags
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func (st *HelmState) appendPostRenderFlags(flags []string, release *ReleaseSpec, postRenderer string) []string {
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switch {
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// postRenderer arg comes from cmd flag.
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case release.PostRenderer != nil && *release.PostRenderer != "":
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flags = append(flags, "--post-renderer", *release.PostRenderer)
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case postRenderer != "":
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flags = append(flags, "--post-renderer", postRenderer)
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case st.HelmDefaults.PostRenderer != nil && *st.HelmDefaults.PostRenderer != "":
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flags = append(flags, "--post-renderer", *st.HelmDefaults.PostRenderer)
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}
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return flags
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}
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// append post-renderer-args flags to helm flags
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func (st *HelmState) appendPostRenderArgsFlags(flags []string, release *ReleaseSpec, postRendererArgs []string) []string {
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postRendererArgsFlags := []string{}
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switch {
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case len(release.PostRendererArgs) != 0:
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postRendererArgsFlags = release.PostRendererArgs
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case len(postRendererArgs) != 0:
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postRendererArgsFlags = postRendererArgs
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case len(st.HelmDefaults.PostRendererArgs) != 0:
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postRendererArgsFlags = st.HelmDefaults.PostRendererArgs
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}
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for _, arg := range postRendererArgsFlags {
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if arg != "" {
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flags = append(flags, "--post-renderer-args", arg)
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}
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}
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return flags
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}
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// append suppress-output-line-regex flags to helm diff flags
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func (st *HelmState) appendSuppressOutputLineRegexFlags(flags []string, release *ReleaseSpec, suppressOutputLineRegex []string) []string {
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suppressOutputLineRegexFlags := []string{}
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switch {
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case len(release.SuppressOutputLineRegex) != 0:
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suppressOutputLineRegexFlags = release.SuppressOutputLineRegex
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case len(suppressOutputLineRegex) != 0:
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suppressOutputLineRegexFlags = suppressOutputLineRegex
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case len(st.HelmDefaults.SuppressOutputLineRegex) != 0:
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suppressOutputLineRegexFlags = st.HelmDefaults.SuppressOutputLineRegex
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}
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for _, arg := range suppressOutputLineRegexFlags {
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if arg != "" {
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flags = append(flags, "--suppress-output-line-regex", arg)
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}
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}
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return flags
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}
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func (st *HelmState) appendWaitForJobsFlags(flags []string, release *ReleaseSpec, ops *SyncOpts) []string {
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switch {
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case release.WaitForJobs != nil && *release.WaitForJobs:
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flags = append(flags, "--wait-for-jobs")
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case ops != nil && ops.WaitForJobs:
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flags = append(flags, "--wait-for-jobs")
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case release.WaitForJobs == nil && st.HelmDefaults.WaitForJobs:
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flags = append(flags, "--wait-for-jobs")
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}
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return flags
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}
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func (st *HelmState) appendWaitFlags(flags []string, release *ReleaseSpec, ops *SyncOpts) []string {
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switch {
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case release.Wait != nil && *release.Wait:
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flags = append(flags, "--wait")
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case ops != nil && ops.Wait:
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flags = append(flags, "--wait")
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case release.Wait == nil && st.HelmDefaults.Wait:
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flags = append(flags, "--wait")
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}
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return flags
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}
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// append post-renderer flags to helm flags
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func (st *HelmState) appendCascadeFlags(flags []string, helm helmexec.Interface, release *ReleaseSpec, cascade string) []string {
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// see https://github.com/helm/helm/releases/tag/v3.12.1
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if !helm.IsVersionAtLeast("3.12.1") {
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return flags
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}
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switch {
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// postRenderer arg comes from cmd flag.
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case release.Cascade != nil && *release.Cascade != "":
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flags = append(flags, "--cascade", *release.Cascade)
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case cascade != "":
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flags = append(flags, "--cascade", cascade)
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case st.HelmDefaults.Cascade != nil && *st.HelmDefaults.Cascade != "":
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flags = append(flags, "--cascade", *st.HelmDefaults.Cascade)
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}
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return flags
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}
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// append hide-notes flags to helm flags
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func (st *HelmState) appendHideNotesFlags(flags []string, helm helmexec.Interface, ops *SyncOpts) []string {
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// see https://github.com/helm/helm/releases/tag/v3.16.0
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if !helm.IsVersionAtLeast("3.16.0") {
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return flags
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}
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switch {
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case ops.HideNotes:
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flags = append(flags, "--hide-notes")
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}
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return flags
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}
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// append show-only flags to helm flags
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func (st *HelmState) appendShowOnlyFlags(flags []string, showOnly []string) []string {
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showOnlyFlags := []string{}
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if len(showOnly) != 0 {
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showOnlyFlags = showOnly
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}
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for _, arg := range showOnlyFlags {
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if arg != "" {
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flags = append(flags, "--show-only", arg)
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}
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}
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return flags
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}
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type Chartify struct {
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Opts *chartify.ChartifyOpts
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Clean func()
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}
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func (st *HelmState) downloadChartWithGoGetter(r *ReleaseSpec) (string, error) {
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var pathElems []string
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if r.Namespace != "" {
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pathElems = append(pathElems, r.Namespace)
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}
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if r.KubeContext != "" {
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pathElems = append(pathElems, r.KubeContext)
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}
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pathElems = append(pathElems, r.Name)
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cacheDir := filepath.Join(pathElems...)
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return st.goGetterChart(r.Chart, r.Directory, cacheDir, r.ForceGoGetter)
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}
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func (st *HelmState) goGetterChart(chart, dir, cacheDir string, force bool) (string, error) {
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if dir != "" && chart == "" {
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chart = dir
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}
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_, err := remote.Parse(chart)
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if err != nil {
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if force {
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return "", fmt.Errorf("Parsing url from dir failed due to error %q.\nContinuing the process assuming this is a regular Helm chart or a local dir.", err.Error())
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}
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} else {
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r := remote.NewRemote(st.logger, "", st.fs)
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fetchedDir, err := r.Fetch(chart, cacheDir)
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if err != nil {
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return "", fmt.Errorf("fetching %q: %v", chart, err)
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}
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chart = fetchedDir
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}
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return chart, nil
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}
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func (st *HelmState) PrepareChartify(helm helmexec.Interface, release *ReleaseSpec, chart string, workerIndex int) (*Chartify, func(), error) {
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c := &Chartify{
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Opts: &chartify.ChartifyOpts{
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WorkaroundOutputDirIssue: true,
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EnableKustomizeAlphaPlugins: true,
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ChartVersion: release.Version,
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Namespace: release.Namespace,
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ID: ReleaseToID(release),
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},
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}
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var filesNeedCleaning []string
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clean := func() {
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st.removeFiles(filesNeedCleaning)
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}
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var shouldRun bool
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dir := chart
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if !filepath.IsAbs(chart) {
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dir = filepath.Join(st.basePath, chart)
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}
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if stat, _ := os.Stat(dir); stat != nil && stat.IsDir() {
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if exists, err := st.fs.FileExists(filepath.Join(dir, "Chart.yaml")); err == nil && !exists {
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shouldRun = true
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}
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}
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for _, d := range release.Dependencies {
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chart := d.Chart
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if st.fs.DirectoryExistsAt(chart) {
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var err error
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// Otherwise helm-dependency-up on the temporary chart generated by chartify ends up errors like:
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// Error: directory /tmp/chartify945964195/myapp-57fb4495cf/test/integration/charts/httpbin not found]
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// which is due to that the temporary chart is generated outside of the current working directory/basePath,
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// and therefore the relative path in `chart` points to somewhere inexistent.
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chart, err = filepath.Abs(filepath.Join(st.basePath, chart))
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if err != nil {
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return nil, clean, err
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}
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}
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c.Opts.AdhocChartDependencies = append(c.Opts.AdhocChartDependencies, chartify.ChartDependency{
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Alias: d.Alias,
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Chart: chart,
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Version: d.Version,
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})
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shouldRun = true
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}
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jsonPatches := release.JSONPatches
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if len(jsonPatches) > 0 {
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generatedFiles, err := st.generateTemporaryReleaseValuesFiles(release, jsonPatches, release.MissingFileHandler)
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if err != nil {
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return nil, clean, err
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}
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filesNeedCleaning = append(filesNeedCleaning, generatedFiles...)
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c.Opts.JsonPatches = append(c.Opts.JsonPatches, generatedFiles...)
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shouldRun = true
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}
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strategicMergePatches := release.StrategicMergePatches
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if len(strategicMergePatches) > 0 {
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generatedFiles, err := st.generateTemporaryReleaseValuesFiles(release, strategicMergePatches, release.MissingFileHandler)
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if err != nil {
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return nil, clean, err
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}
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c.Opts.StrategicMergePatches = append(c.Opts.StrategicMergePatches, generatedFiles...)
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filesNeedCleaning = append(filesNeedCleaning, generatedFiles...)
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shouldRun = true
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}
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transformers := release.Transformers
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if len(transformers) > 0 {
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generatedFiles, err := st.generateTemporaryReleaseValuesFiles(release, transformers, release.MissingFileHandler)
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if err != nil {
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return nil, clean, err
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}
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c.Opts.Transformers = append(c.Opts.Transformers, generatedFiles...)
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filesNeedCleaning = append(filesNeedCleaning, generatedFiles...)
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shouldRun = true
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}
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if release.ForceNamespace != "" {
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c.Opts.OverrideNamespace = release.ForceNamespace
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shouldRun = true
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}
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if shouldRun {
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st.logger.Debugf("Chartify process for %s", dir)
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generatedFiles, err := st.generateValuesFiles(helm, release, workerIndex)
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if err != nil {
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return nil, clean, err
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}
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filesNeedCleaning = append(filesNeedCleaning, generatedFiles...)
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c.Opts.ValuesFiles = generatedFiles
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setFlags, err := st.setFlags(release.SetValues)
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if err != nil {
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return nil, clean, fmt.Errorf("rendering set value entry for release %s: %v", release.Name, err)
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}
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c.Opts.SetFlags = setFlags
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c.Opts.TemplateData = st.newReleaseTemplateData(release)
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c.Opts.TemplateFuncs = st.newReleaseTemplateFuncMap(dir)
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return c, clean, nil
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}
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return nil, clean, nil
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}
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