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fix(uninstall): supersede deployed releases

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This ensures that when `helm uninstall` is run with `--keep-history`
any release in a `deployed` state other than the last release (e.g.
due to a failed upgrade) is being marked as `superseded`.

As a by-effect, running `helm upgrade` on a release which has been
uninstalled after an upgrade failure now no longer works. But instead
fails with a `"<name>" has no deployed releases` error. Which is the
(likely) intended behavior, and prevents other side-effects like
rolling back to a release version which happened before the uninstall
if `--atomic` (or `--rollback-on-failure`) was provided.

Signed-off-by: Hidde Beydals <hidde@hhh.computer>
(cherry picked from commit 2f1ecc7100)
This commit is contained in:
Hidde Beydals 2023-11-13 21:21:43 +01:00
parent bfc4534772
commit 8bb0b37226
No known key found for this signature in database
GPG key ID: 979F380FC2341744
3 changed files with 24 additions and 0 deletions
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1
cmd/helm/testdata/output/uninstall-keep-history-earlier-deployed.txt vendored Normal file
View file

@ -0,0 +1 @@
release "aeneas" uninstalled

9
cmd/helm/uninstall_test.go
View file

@ -57,6 +57,15 @@ func TestUninstall(t *testing.T) {
golden: "output/uninstall-keep-history.txt",
rels: []*release.Release{release.Mock(&release.MockReleaseOptions{Name: "aeneas"})},
},
{
name: "keep history with earlier deployed release",
cmd: "uninstall aeneas --keep-history",
golden: "output/uninstall-keep-history-earlier-deployed.txt",
rels: []*release.Release{
release.Mock(&release.MockReleaseOptions{Name: "aeneas", Version: 1, Status: release.StatusDeployed}),
release.Mock(&release.MockReleaseOptions{Name: "aeneas", Version: 2, Status: release.StatusFailed}),
},
},
{
name: "wait",
cmd: "uninstall aeneas --wait",

14
pkg/action/uninstall.go
View file

@ -28,6 +28,7 @@ import (
"helm.sh/helm/v3/pkg/kube"
"helm.sh/helm/v3/pkg/release"
"helm.sh/helm/v3/pkg/releaseutil"
"helm.sh/helm/v3/pkg/storage/driver"
helmtime "helm.sh/helm/v3/pkg/time"
)
@ -170,6 +171,19 @@ func (u *Uninstall) Run(name string) (*release.UninstallReleaseResponse, error)
u.cfg.Log("uninstall: Failed to store updated release: %s", err)
}
// Supersede all previous deployments, see issue #12556 (which is a
// variation on #2941).
deployed, err := u.cfg.Releases.DeployedAll(name)
if err != nil && !errors.Is(err, driver.ErrNoDeployedReleases) {
return nil, err
}
for _, reli := range deployed {
reli.Info.Status = release.StatusSuperseded
if err = u.cfg.Releases.Update(reli); err != nil {
u.cfg.Log("uninstall: Failed to store updated release: %s", err)
}
}
if len(errs) > 0 {
return res, errors.Errorf("uninstallation completed with %d error(s): %s", len(errs), joinErrors(errs))
}