[stable/mariadb] Add 'updateStrategy' to MariaDB statefulsets (#12325)

Signed-off-by: juan131 <juan@bitnami.com>

stable/mariadb/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: mariadb
-version: 5.10.1
+version: 5.11.0
 appVersion: 10.1.38
 description: Fast, reliable, scalable, and easy to use open-source relational database system. MariaDB Server is intended for mission-critical, heavy-load production systems as well as for embedding into mass-deployed software. Highly available MariaDB cluster.
 keywords:

stable/mariadb/README.md

@@ -82,6 +82,7 @@ The following table lists the configurable parameters of the MariaDB chart and t
 | `master.affinity`                         | Master affinity (in addition to master.antiAffinity when set)  | `{}`                                                   |
 | `master.antiAffinity`                     | Master pod anti-affinity policy                     | `soft`                                                            |
 | `master.tolerations`                      | List of node taints to tolerate (master)            | `[]`                                                              |
+| `master.updateStrategy`                   | Master statefulset update strategy policy           | `RollingUpdate`                                                   |
 | `master.persistence.enabled`              | Enable persistence using PVC                        | `true`                                                            |
 | `master.persistence.existingClaim`        | Provide an existing `PersistentVolumeClaim`         | `nil`                                                             |
 | `master.persistence.mountPath`            | Path to mount the volume at                         | `/bitnami/mariadb`                                                |
@@ -113,6 +114,7 @@ The following table lists the configurable parameters of the MariaDB chart and t
 | `slave.affinity`                          | Slave affinity (in addition to slave.antiAffinity when set) | `{}`                                                      |
 | `slave.antiAffinity`                      | Slave pod anti-affinity policy                      | `soft`                                                            |
 | `slave.tolerations`                       | List of node taints to tolerate for (slave)         | `[]`                                                              |
+| `slave.updateStrategy`                    | Slave statefulset update strategy policy            | `RollingUpdate`                                                   |
 | `slave.persistence.enabled`               | Enable persistence using a `PersistentVolumeClaim`  | `true`                                                            |
 | `slave.persistence.annotations`           | Persistent Volume Claim annotations                 | `{}`                                                              |
 | `slave.persistence.storageClass`          | Persistent Volume Storage Class                     | ``                                                                |

stable/mariadb/templates/master-statefulset.yaml

@@ -17,7 +17,10 @@ spec:
   serviceName: "{{ template "master.fullname" . }}"
   replicas: 1
   updateStrategy:
-    type: RollingUpdate
+    type: {{ .Values.master.updateStrategy.type }}
+    {{- if (eq "Recreate" .Values.master.updateStrategy.type) }}
+    rollingUpdate: null
+    {{- end }}
   template:
     metadata:
       {{- if .Values.master.annotations }}

stable/mariadb/templates/slave-statefulset.yaml

@@ -18,7 +18,10 @@ spec:
   serviceName: "{{ template "slave.fullname" . }}"
   replicas: {{ .Values.slave.replicas }}
   updateStrategy:
-    type: RollingUpdate
+    type: {{ .Values.slave.updateStrategy.type }}
+    {{- if (eq "Recreate" .Values.slave.updateStrategy.type) }}
+    rollingUpdate: null
+    {{- end }}
   template:
     metadata:
       {{- if .Values.slave.annotations }}

stable/mariadb/values-production.yaml

@@ -150,6 +150,11 @@ master:
   ##
   tolerations: []
 
+  ## updateStrategy for MariaDB Master StatefulSet
+  ## ref: https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#update-strategies
+  updateStrategy:
+    type: RollingUpdate
+
   ## Enable persistence using Persistent Volume Claims
   ## ref: http://kubernetes.io/docs/user-guide/persistent-volumes/
   ##
@@ -267,6 +272,11 @@ slave:
   ##
   tolerations: []
 
+  ## updateStrategy for MariaDB Slave StatefulSet
+  ## ref: https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#update-strategies
+  updateStrategy:
+    type: RollingUpdate
+
   persistence:
     ## If true, use a Persistent Volume Claim, If false, use emptyDir
     ##

stable/mariadb/values.yaml

@@ -150,6 +150,11 @@ master:
   ##
   tolerations: []
 
+  ## updateStrategy for MariaDB Master StatefulSet
+  ## ref: https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#update-strategies
+  updateStrategy:
+    type: RollingUpdate
+
   ## Enable persistence using Persistent Volume Claims
   ## ref: http://kubernetes.io/docs/user-guide/persistent-volumes/
   ##
@@ -266,6 +271,11 @@ slave:
   ##
   tolerations: []
 
+  ## updateStrategy for MariaDB Slave StatefulSet
+  ## ref: https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#update-strategies
+  updateStrategy:
+    type: RollingUpdate
+
   persistence:
     ## If true, use a Persistent Volume Claim, If false, use emptyDir
     ##