Add ability to change UpdateStrategy for StatefulSets

Author: kluevandrew

charts/cartridge/Chart.yaml

@@ -3,7 +3,7 @@ apiVersion: v2
 name: cartridge
 description: Tarantool Cartridge application template.
 type: application
-version: 1.0.0-rc1
+version: 1.0.0-rc2
 appVersion: 2.7.6
 kubeVersion: ">=1.16-0"
 icon: https://static.tarantool.io/pub/220829-1248-ae7bca7/tarantool/images/logo-tarantool-full.svg

charts/cartridge/templates/roles.yaml

@@ -63,6 +63,10 @@ spec:
         {{- include "volumes.extraVolumeClaimTemplates" (dict "context" $ "volumeClaimTemplates" $.Values.tarantool.extraVolumeClaimTemplates) | indent 4 }}
       {{- end }}
     {{- end }}
+    {{- $updateStrategy := (.updateStrategy | default $.Values.tarantool.updateStrategy) }}
+    updateStrategy:
+      type: {{ $updateStrategy.type | default $.Values.tarantool.updateStrategy.type }}
+      rollingUpdate: {{ ($updateStrategy.rollingUpdate | default $.Values.tarantool.updateStrategy.rollingUpdate) | toYaml | nindent 8 }}
     podTemplate:
       metadata:
         labels:

charts/cartridge/values.yaml

@@ -164,6 +164,14 @@ tarantool:
     stateboard:
       uri: ""
       password: ""
+  # Update strategy
+  updateStrategy:
+    # Update strategy type
+    # see: https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#update-strategies
+    type: OnDelete
+    # Rolling Updates
+    # see https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#rolling-updates
+    rollingUpdate: {}
   # Roles config
   # Role is a resources that represent group of replicaset with custom config and set of vshard roles
   roles:
@@ -214,6 +222,14 @@ tarantool:
           resources:
             requests:
               storage: 1Gi
+      # Update strategy
+      updateStrategy:
+        # Update strategy type
+        # see: https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#update-strategies
+        type: OnDelete
+        # Rolling Updates
+        # see https://kubernetes.io/docs/concepts/workloads/controllers/statefulset/#rolling-updates
+        rollingUpdate: {}
       # Override for tarantool.image, allows to use custom image for role
       image: {}
       # Override for tarantool.minReadySeconds

charts/tarantool-operator/crds/apiextensions.k8s.io_v1_customresourcedefinition_roles.tarantool.io.yaml

@@ -6631,6 +6631,22 @@ spec:
                     default: 1
                     format: int32
                     type: integer
+                  updateStrategy:
+                    properties:
+                      rollingUpdate:
+                        properties:
+                          maxUnavailable:
+                            anyOf:
+                            - type: integer
+                            - type: string
+                            x-kubernetes-int-or-string: true
+                          partition:
+                            format: int32
+                            type: integer
+                        type: object
+                      type:
+                        type: string
+                    type: object
                   volumeClaimTemplates:
                     items:
                       properties:
@@ -6790,6 +6806,8 @@ spec:
                           type: object
                       type: object
                     type: array
+                required:
+                - updateStrategy
                 type: object
               replicasets:
                 default: 1