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Fix: reuse chart values in vela install

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Signed-off-by: Jianbo Sun <jianbo.sjb@alibaba-inc.com>
This commit is contained in:
Jianbo Sun
2022-04-11 09:03:56 +08:00
parent 7e6d9ccc73
commit 5bf0dd045f
1 changed files with 17 additions and 1 deletions
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pkg/utils/helm/helm_helper.go
+17 -1
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@@ -32,8 +32,10 @@ import (
"helm.sh/helm/v3/pkg/action"
"helm.sh/helm/v3/pkg/chart"
"helm.sh/helm/v3/pkg/chart/loader"
"helm.sh/helm/v3/pkg/chartutil"
"helm.sh/helm/v3/pkg/kube"
"helm.sh/helm/v3/pkg/release"
relutil "helm.sh/helm/v3/pkg/releaseutil"
"helm.sh/helm/v3/pkg/repo"
"helm.sh/helm/v3/pkg/storage"
"helm.sh/helm/v3/pkg/storage/driver"
@@ -118,7 +120,7 @@ func (h *Helper) UpgradeChart(ch *chart.Chart, releaseName, namespace string, va
var newRelease *release.Release
timeoutInMinutes := 18
releases, err := histClient.Run(releaseName)
if err != nil {
if err != nil || len(releases) == 0 {
if errors.Is(err, driver.ErrReleaseNotFound) {
// fresh install
install := action.NewInstall(cfg)
@@ -139,6 +141,20 @@ func (h *Helper) UpgradeChart(ch *chart.Chart, releaseName, namespace string, va
r.Info.Status == release.StatusPendingRollback {
return nil, fmt.Errorf("previous installation (e.g., using vela install or helm upgrade) is still in progress. Please try again in %d minutes", timeoutInMinutes)
}
}
// merge un-existing values into the values as user-input, because the helm chart upgrade didn't handle the new default values in the chart.
if config.ReuseValues {
// sort will sort the release by revision from old to new
relutil.SortByRevision(releases)
rel := releases[len(releases)-1]
// merge new chart values into old values, the values of old chart has the high priority
mergedWithNewValues := chartutil.CoalesceTables(rel.Chart.Values, ch.Values)
// merge the chart with the released chart config but follow the old config
mergeWithConfigs := chartutil.CoalesceTables(rel.Config, mergedWithNewValues)
// merge new values as the user input, follow the new user input for --set
values = chartutil.CoalesceTables(values, mergeWithConfigs)
}
// overwrite existing installation