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do not block rolling updates with lazy spilo update enabled (#1012) 

* do not block rolling updates with lazy spilo update enabled

* treat initContainers like Spilo image

Co-authored-by: Felix Kunde <felix.kunde@zalando.de>
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Felix Kunde 2020-06-11 12:23:39 +02:00 committed by GitHub
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commit fa6929f028
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2
docs/reference/operator_parameters.md
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@ -76,7 +76,7 @@ Those are top-level keys, containing both leaf keys and groups.
The default is `true`.
* **enable_lazy_spilo_upgrade**
Instruct operator to update only the statefulsets with the new image without immediately doing the rolling update. The assumption is pods will be re-started later with the new image, for example due to the node rotation.
Instruct operator to update only the statefulsets with new images (Spilo and InitContainers) without immediately doing the rolling update. The assumption is pods will be re-started later with new images, for example due to the node rotation.
The default is `false`.
* **etcd_host**

1
pkg/cluster/cluster.go
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@ -488,7 +488,6 @@ func (c *Cluster) compareStatefulSetWith(statefulSet *appsv1.StatefulSet) *compa
// until they are re-created for other reasons, for example node rotation
if c.OpConfig.EnableLazySpiloUpgrade && !reflect.DeepEqual(c.Statefulset.Spec.Template.Spec.Containers[0].Image, statefulSet.Spec.Template.Spec.Containers[0].Image) {
needsReplace = true
needsRollUpdate = false
reasons = append(reasons, "lazy Spilo update: new statefulset's pod image doesn't match the current one")
}