[bitnami/rabbitmq-cluster-operator] Add PodDistruptionBidget (PBDs)

Allow running the Operator, and especially the validating webhook, in HA mode. Signed-off-by: Jiří Pinkava <j-pi@seznam.cz>
bitnami · Sep 23, 2024 · 75cc35b · 75cc35b
1 parent ad8f8ea
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diff --git a/bitnami/rabbitmq-cluster-operator/Chart.yaml b/bitnami/rabbitmq-cluster-operator/Chart.yaml
@@ -37,4 +37,4 @@ maintainers:
 name: rabbitmq-cluster-operator
 sources:
 - https://github.com/bitnami/charts/tree/main/bitnami/rabbitmq-cluster-operator
-version: 4.3.22
+version: 4.3.23
diff --git a/bitnami/rabbitmq-cluster-operator/README.md b/bitnami/rabbitmq-cluster-operator/README.md
@@ -286,6 +286,9 @@ extraDeploy:
 | `clusterOperator.customStartupProbe`                                | Custom startupProbe that overrides the default one                                                                                                                                                                                                | `{}`                                             |
 | `clusterOperator.resourcesPreset`                                   | Set container resources according to one common preset (allowed values: none, nano, micro, small, medium, large, xlarge, 2xlarge). This is ignored if clusterOperator.resources is set (clusterOperator.resources is recommended for production). | `nano`                                           |
 | `clusterOperator.resources`                                         | Set container requests and limits for different resources like CPU or memory (essential for production workloads)                                                                                                                                 | `{}`                                             |
+| `clusterOperator.pdb.create`                                        | Enable a Pod Disruption Budget creation                                                                                                                                                                                                           | `true`                                           |
+| `clusterOperator.pdb.minAvailable`                                  | Minimum number/percentage of pods that should remain scheduled                                                                                                                                                                                    | `""`                                             |
+| `clusterOperator.pdb.maxUnavailable`                                | Maximum number/percentage of pods that may be made unavailable                                                                                                                                                                                    | `""`                                             |
 | `clusterOperator.podSecurityContext.enabled`                        | Enabled RabbitMQ Cluster Operator pods' Security Context                                                                                                                                                                                          | `true`                                           |
 | `clusterOperator.podSecurityContext.fsGroupChangePolicy`            | Set filesystem group change policy                                                                                                                                                                                                                | `Always`                                         |
 | `clusterOperator.podSecurityContext.sysctls`                        | Set kernel settings using the sysctl interface                                                                                                                                                                                                    | `[]`                                             |
@@ -428,6 +431,9 @@ extraDeploy:
 | `msgTopologyOperator.existingWebhookCertCABundle`                       | PEM-encoded CA Bundle of the existing secret provided in existingWebhookCertSecret (only if useCertManager=false)                                                                                                                                         | `""`                                              |
 | `msgTopologyOperator.resourcesPreset`                                   | Set container resources according to one common preset (allowed values: none, nano, micro, small, medium, large, xlarge, 2xlarge). This is ignored if msgTopologyOperator.resources is set (msgTopologyOperator.resources is recommended for production). | `nano`                                            |
 | `msgTopologyOperator.resources`                                         | Set container requests and limits for different resources like CPU or memory (essential for production workloads)                                                                                                                                         | `{}`                                              |
+| `msgTopologyOperator.pdb.create`                                        | Enable a Pod Disruption Budget creation                                                                                                                                                                                                                   | `true`                                            |
+| `msgTopologyOperator.pdb.minAvailable`                                  | Minimum number/percentage of pods that should remain scheduled                                                                                                                                                                                            | `""`                                              |
+| `msgTopologyOperator.pdb.maxUnavailable`                                | Maximum number/percentage of pods that may be made unavailable                                                                                                                                                                                            | `""`                                              |
 | `msgTopologyOperator.podSecurityContext.enabled`                        | Enabled RabbitMQ Messaging Topology Operator pods' Security Context                                                                                                                                                                                       | `true`                                            |
 | `msgTopologyOperator.podSecurityContext.fsGroupChangePolicy`            | Set filesystem group change policy                                                                                                                                                                                                                        | `Always`                                          |
 | `msgTopologyOperator.podSecurityContext.sysctls`                        | Set kernel settings using the sysctl interface                                                                                                                                                                                                            | `[]`                                              |
@@ -632,4 +638,4 @@ Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
-limitations under the License.
+limitations under the License.
diff --git a/bitnami/rabbitmq-cluster-operator/templates/cluster-operator/pdb.yaml b/bitnami/rabbitmq-cluster-operator/templates/cluster-operator/pdb.yaml
@@ -0,0 +1,29 @@
+{{- /*
+Copyright Broadcom, Inc. All Rights Reserved.
+SPDX-License-Identifier: APACHE-2.0
+*/}}
+
+{{- if .Values.clusterOperator.pdb.create }}
+apiVersion: {{ include "common.capabilities.policy.apiVersion" . }}
+kind: PodDisruptionBudget
+metadata:
+  name: {{ template "rmqco.clusterOperator.fullname" . }}
+  namespace: {{ include "common.names.namespace" . | quote }}
+  labels: {{- include "common.labels.standard" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 4 }}
+    app.kubernetes.io/component: rabbitmq-operator
+    app.kubernetes.io/part-of: rabbitmq
+  {{- if .Values.commonAnnotations }}
+  annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if .Values.clusterOperator.pdb.minAvailable }}
+  minAvailable: {{ .Values.clusterOperator.pdb.minAvailable }}
+  {{- end  }}
+  {{- if or .Values.clusterOperator.pdb.maxUnavailable (not .Values.clusterOperator.pdb.minAvailable) }}
+  maxUnavailable: {{ .Values.clusterOperator.pdb.maxUnavailable | default 1 }}
+  {{- end  }}
+  {{- $podLabels := include "common.tplvalues.merge" ( dict "values" ( list .Values.clusterOperator.podLabels .Values.commonLabels ) "context" . ) }}
+  selector:
+    matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" $podLabels "context" $ ) | nindent 6 }}
+      app.kubernetes.io/component: rabbitmq-operator
+{{- end }}
diff --git a/bitnami/rabbitmq-cluster-operator/templates/messaging-topology-operator/pdb.yaml b/bitnami/rabbitmq-cluster-operator/templates/messaging-topology-operator/pdb.yaml
@@ -0,0 +1,29 @@
+{{- /*
+Copyright Broadcom, Inc. All Rights Reserved.
+SPDX-License-Identifier: APACHE-2.0
+*/}}
+
+{{- if .Values.msgTopologyOperator.pdb.create }}
+apiVersion: {{ include "common.capabilities.policy.apiVersion" . }}
+kind: PodDisruptionBudget
+metadata:
+  name: {{ template "rmqco.msgTopologyOperator.fullname" . }}
+  namespace: {{ include "common.names.namespace" . | quote }}
+  labels: {{- include "common.labels.standard" ( dict "customLabels" .Values.commonLabels "context" $ ) | nindent 4 }}
+    app.kubernetes.io/component: messaging-topology-operator
+    app.kubernetes.io/part-of: rabbitmq
+  {{- if .Values.commonAnnotations }}
+  annotations: {{- include "common.tplvalues.render" ( dict "value" .Values.commonAnnotations "context" $ ) | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if .Values.msgTopologyOperator.pdb.minAvailable }}
+  minAvailable: {{ .Values.msgTopologyOperator.pdb.minAvailable }}
+  {{- end  }}
+  {{- if or .Values.msgTopologyOperator.pdb.maxUnavailable (not .Values.msgTopologyOperator.pdb.minAvailable) }}
+  maxUnavailable: {{ .Values.msgTopologyOperator.pdb.maxUnavailable | default 1 }}
+  {{- end  }}
+  {{- $podLabels := include "common.tplvalues.merge" ( dict "values" ( list .Values.msgTopologyOperator.podLabels .Values.commonLabels ) "context" . ) }}
+  selector:
+    matchLabels: {{- include "common.labels.matchLabels" ( dict "customLabels" $podLabels "context" $ ) | nindent 6 }}
+      app.kubernetes.io/component: messaging-topology-operator
+{{- end }}
diff --git a/bitnami/rabbitmq-cluster-operator/values.yaml b/bitnami/rabbitmq-cluster-operator/values.yaml
@@ -227,6 +227,16 @@ clusterOperator:
   ##     memory: 1024Mi
   ##
   resources: {}
+  ## Pod Disruption Budget configuration
+  ## ref: https://kubernetes.io/docs/tasks/run-application/configure-pdb/
+  ## @param clusterOperator.pdb.create Enable a Pod Disruption Budget creation
+  ## @param clusterOperator.pdb.minAvailable Minimum number/percentage of pods that should remain scheduled
+  ## @param clusterOperator.pdb.maxUnavailable Maximum number/percentage of pods that may be made unavailable
+  ##
+  pdb:
+    create: true
+    minAvailable: ""
+    maxUnavailable: ""
   ## Configure Pods Security Context
   ## ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod
   ## @param clusterOperator.podSecurityContext.enabled Enabled RabbitMQ Cluster Operator pods' Security Context
@@ -775,6 +785,16 @@ msgTopologyOperator:
   ##     memory: 1024Mi
   ##
   resources: {}
+  ## Pod Disruption Budget configuration
+  ## ref: https://kubernetes.io/docs/tasks/run-application/configure-pdb/
+  ## @param msgTopologyOperator.pdb.create Enable a Pod Disruption Budget creation
+  ## @param msgTopologyOperator.pdb.minAvailable Minimum number/percentage of pods that should remain scheduled
+  ## @param msgTopologyOperator.pdb.maxUnavailable Maximum number/percentage of pods that may be made unavailable
+  ##
+  pdb:
+    create: true
+    minAvailable: ""
+    maxUnavailable: ""
   ## Configure Pods Security Context
   ## ref: https://kubernetes.io/docs/tasks/configure-pod-container/security-context/#set-the-security-context-for-a-pod
   ## @param msgTopologyOperator.podSecurityContext.enabled Enabled RabbitMQ Messaging Topology Operator pods' Security Context