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authorValentin Rothberg <rothberg@redhat.com>2021-07-28 15:19:04 +0200
committerValentin Rothberg <rothberg@redhat.com>2021-08-05 15:20:38 +0200
commit30df551bde460f4f37d6dbd373701873fa5353dc (patch)
treea1a48d3b25706006ac391ac271ed21c3a6191c8f /pkg/domain/entities
parent117583c293713f2baa920c4035e820ad59fe6622 (diff)
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auto-update: simple rollback
Add support for simple rollbacks during `podman auto-update`. Rollbacks are enabled by default. If a systemd unit cannot be restarted after an update, the previous image will be retagged and the unit will be restarted a second time. Add system tests for rollbacks. Also fix a bug in the restart sequence; we have to use the channel to actually know whether the restart was successful or not. NOTE: To make rollbacks really useful, users must run their containers with `--sdnotify=container` such that the containers send the ready message over the (mounted) socket. This way, restarting the systemd units during auto update will block until the message has been received (or a timeout kicked in). Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'pkg/domain/entities')
-rw-r--r--pkg/domain/entities/auto-update.go3
1 files changed, 3 insertions, 0 deletions
diff --git a/pkg/domain/entities/auto-update.go b/pkg/domain/entities/auto-update.go
index eed617bf8..5ea2cdf15 100644
--- a/pkg/domain/entities/auto-update.go
+++ b/pkg/domain/entities/auto-update.go
@@ -8,6 +8,9 @@ type AutoUpdateOptions struct {
// pending, it will be indicated in the Updated field of
// AutoUpdateReport.
DryRun bool
+ // If restarting the service with the new image failed, restart it
+ // another time with the previous image.
+ Rollback bool
}
// AutoUpdateReport contains the results from running auto-update.