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Introduce masterServiceAnnotations & replicaServiceAnnotations (#2161)

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* Introduce `masterServiceAnnotations` & `replicaServiceAnnotations`

Introduce `masterServiceAnnotations` & `replicaServiceAnnotations` to the `Postgresql` CRD.
`masterServiceAnnotations` overrides `serviceAnnotations` for master role if not empty.
`replicaServiceAnnotations` overrides `serviceAnnotations` for replica role if not empty.
Existing definition of `serviceAnnotations` continue to work for backward compatibitlity when neither `masterServiceAnnotations` nor `replicaServiceAnnotations` is defined.

This closes https://github.com/zalando/postgres-operator/issues/1927

* Accumulate service annotations

First, global config, then ServiceAnnotations overriding, then MasterServiceAnnotations and ReplicaServiceAnnotations.

This addresses
https://github.com/zalando/postgres-operator/pull/2161#discussion_r1063558711.

* Update admin doc with master & replica service annotations overrides

Addressed https://github.com/zalando/postgres-operator/pull/2161#discussion_r1064744086

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>
This commit is contained in:
Owen Ou
2023-01-11 13:29:16 +01:00
committed by GitHub
co-authored by Felix Kunde
parent 974481328b
commit 021ab07a23
11 changed files with 184 additions and 60 deletions
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docs/reference/cluster_manifest.md
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@@ -173,6 +173,22 @@ These parameters are grouped directly under the `spec` key in the manifest.
[administrator docs](https://github.com/zalando/postgres-operator/blob/master/docs/administrator.md#load-balancers-and-allowed-ip-ranges)
for more information regarding default values and overwrite rules.
* **masterServiceAnnotations**
A map of key value pairs that gets attached as [annotations](https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/)
to the master service created for the database cluster. Check the
[administrator docs](https://github.com/zalando/postgres-operator/blob/master/docs/administrator.md#load-balancers-and-allowed-ip-ranges)
for more information regarding default values and overwrite rules.
This field overrides `serviceAnnotations` with the same key for the master
service if not empty.
* **replicaServiceAnnotations**
A map of key value pairs that gets attached as [annotations](https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations/)
to the replica service created for the database cluster. Check the
[administrator docs](https://github.com/zalando/postgres-operator/blob/master/docs/administrator.md#load-balancers-and-allowed-ip-ranges)
for more information regarding default values and overwrite rules.
This field overrides `serviceAnnotations` with the same key for the replica
service if not empty.
* **enableShmVolume**
Start a database pod without limitations on shm memory. By default Docker
limit `/dev/shm` to `64M` (see e.g. the [docker