DEVOPS-2855 - Adding pod disruption budgets for frontend and worker deployments

charts/argocd-apps/Chart.yaml

@@ -1,4 +1,4 @@
 apiVersion: v2
 name: argocd-app
 description: A Helm chart for applications using ArgoCD
-version: 1.0.1-delta
+version: 1.0.2

charts/argocd-apps/Values.yaml

@@ -32,6 +32,9 @@ main:
     maxReplicaCount: 
     cpuUtilizationPercentage: 
     memoryUtilizationPercentage: 
+  pdb:
+    # (Optional) Minimum number of frontend pods that must be available during disruptions
+    minAvailable: 1
 worker:
   name: 
   enabled: 
@@ -51,4 +54,7 @@ worker:
     minReplicaCount: 
     maxReplicaCount: 
     cpuUtilizationPercentage: 
-    memoryUtilizationPercentage: 
+    memoryUtilizationPercentage:
+  pdb:
+    # (Optional) Minimum number of worker pods that must be available during disruptions
+    minAvailable: 1

charts/argocd-apps/templates/frontend-pdb.yaml

@@ -0,0 +1,18 @@
+{{- $web := .Values.main }}
+{{- $replicas := $web.replicaCount | default 1 }}
+{{- if and $web.enabled (ge (int $replicas) 1) }}apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ $web.name | default "web" }}-pdb
+  labels:
+    app.kubernetes.io/name: {{ $web.name | default "web" }}
+    app.kubernetes.io/component: web
+    app.kubernetes.io/part-of: {{ $.Release.Name | quote }}
+spec:
+  minAvailable: {{ get (default dict $web.pdb) "minAvailable" | default 1 }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ $web.name | default "web" }}
+      app.kubernetes.io/component: web
+      app.kubernetes.io/part-of: {{ $.Release.Name | quote }}
+{{- end }}

charts/argocd-apps/templates/worker-pdb.yaml

@@ -0,0 +1,18 @@
+{{- $worker := .Values.worker }}
+{{- $replicas := $worker.replicaCount | default 1 }}
+{{- if and $worker.enabled (ge (int $replicas) 1) }}apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ $worker.name | default "worker" }}-pdb
+  labels:
+    app.kubernetes.io/name: {{ $worker.name | default "worker" }}
+    app.kubernetes.io/component: worker
+    app.kubernetes.io/part-of: {{ $.Release.Name | quote }}
+spec:
+  minAvailable: {{ get (default dict $worker.pdb) "minAvailable" | default 1 }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ $worker.name | default "worker" }}
+      app.kubernetes.io/component: worker
+      app.kubernetes.io/part-of: {{ $.Release.Name | quote }}
+{{- end }}

charts/generic-service/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: generic-service
 description: A Helm chart for Kubernetes
-version: 2.0.0-alpha
+version: 2.0.1
 dependencies:
   - name: memcached
     version: 6.6.x

charts/generic-service/Values.yaml

@@ -23,6 +23,9 @@ frontend:
       secretRef: php-app-tls # pragma: allowlist secret
     imagepolicy:
       pattern: ^DEVOPS-338-deploy-breeze-qa-api-[a-fA-F0-9]+-(?P<ts>.*)
+    pdb:
+      # (Optional) Minimum number of frontend pods that must be available during disruptions
+      minAvailable: 1
 
 worker:
   - name: worker
@@ -35,6 +38,9 @@ worker:
     replicaCount: 1
     imagepolicy:
       pattern: ^DEVOPS-338-deploy-breeze-qa-api-[a-fA-F0-9]+-(?P<ts>.*)
+    pdb:
+      # (Optional) Minimum number of worker pods that must be available during disruptions
+      minAvailable: 1
 
 autoscaling:
   enabled: true

charts/generic-service/templates/frontend-pdb.yaml

@@ -0,0 +1,19 @@
+{{- range $key, $value := .Values.frontend }}
+{{- $replicas := $value.replicaCount | default 1 }}
+{{- if and $value.enabled (ge (int $replicas) 1) }}apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ $value.name | default "web" }}-pdb
+  labels:
+    app.kubernetes.io/name: {{ $value.name | default "web" }}
+    app.kubernetes.io/component: web
+    app.kubernetes.io/part-of: {{ $.Release.Name | quote }}
+spec:
+  minAvailable: {{ get (default dict $value.pdb) "minAvailable" | default 1 }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ $value.name | default "web" }}
+      app.kubernetes.io/component: web
+      app.kubernetes.io/part-of: {{ $.Release.Name | quote }}
+{{- end }}
+{{- end }}

charts/generic-service/templates/worker-pdb.yaml

@@ -0,0 +1,19 @@
+{{- range $key, $value := .Values.worker }}
+{{- $replicas := $value.replicaCount | default 1 }}
+{{- if and $value.enabled (ge (int $replicas) 1) }}apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ $value.name | default "worker" }}-pdb
+  labels:
+    app.kubernetes.io/name: {{ $value.name | default "worker" }}
+    app.kubernetes.io/component: worker
+    app.kubernetes.io/part-of: {{ $.Release.Name | quote }}
+spec:
+  minAvailable: {{ get (default dict $value.pdb) "minAvailable" | default 1 }}
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: {{ $value.name | default "worker" }}
+      app.kubernetes.io/component: worker
+      app.kubernetes.io/part-of: {{ $.Release.Name | quote }}
+{{- end }}
+{{- end }}