patch

k8s/base/mysql/deployment.yaml

@@ -8,7 +8,7 @@ metadata:
 spec:
   replicas: 1
   strategy:
-    type: Recreate # MySQL requires Recreate since PVC is ReadWriteOnce
+    type: Recreate
   selector:
     matchLabels:
       app.kubernetes.io/name: mysql
@@ -48,27 +48,94 @@ spec:
               memory: 1Gi
           livenessProbe:
             exec:
-              command:
+              command: ["mysqladmin", "ping", "-h", "localhost"]
-                - mysqladmin
+            initialDelaySeconds: 90    # was 30 — must survive full init
-                - ping
+            periodSeconds: 15
-                - -h
-                - localhost
-            initialDelaySeconds: 30
-            periodSeconds: 10
             timeoutSeconds: 5
             failureThreshold: 3
           readinessProbe:
             exec:
-              command:
+              command: ["mysqladmin", "ping", "-h", "localhost"]
-                - mysqladmin
+            initialDelaySeconds: 60    # was 10 — critical fix
-                - ping
+            periodSeconds: 10
-                - -h
+            timeoutSeconds: 5
-                - localhost
-            initialDelaySeconds: 10
-            periodSeconds: 5
-            timeoutSeconds: 3
             failureThreshold: 5
       volumes:
         - name: mysql-data
           persistentVolumeClaim:
             claimName: mysql-data-pvc
+
+# apiVersion: apps/v1
+# kind: Deployment
+# metadata:
+#   name: mysql
+#   labels:
+#     app.kubernetes.io/name: mysql
+#     app.kubernetes.io/component: database
+# spec:
+#   replicas: 1
+#   strategy:
+#     type: Recreate # MySQL requires Recreate since PVC is ReadWriteOnce
+#   selector:
+#     matchLabels:
+#       app.kubernetes.io/name: mysql
+#       app.kubernetes.io/component: database
+#   template:
+#     metadata:
+#       labels:
+#         app.kubernetes.io/name: mysql
+#         app.kubernetes.io/component: database
+#     spec:
+#       containers:
+#         - name: mysql
+#           image: mysql:8.0
+#           ports:
+#             - containerPort: 3306
+#               name: mysql
+#           env:
+#             - name: MYSQL_ROOT_PASSWORD
+#               valueFrom:
+#                 secretKeyRef:
+#                   name: mysql-secret
+#                   key: MYSQL_ROOT_PASSWORD
+#             - name: MYSQL_DATABASE
+#               valueFrom:
+#                 secretKeyRef:
+#                   name: mysql-secret
+#                   key: DB_NAME
+#           volumeMounts:
+#             - name: mysql-data
+#               mountPath: /var/lib/mysql
+#           resources:
+#             requests:
+#               cpu: 250m
+#               memory: 512Mi
+#             limits:
+#               cpu: "1"
+#               memory: 1Gi
+#           livenessProbe:
+#             exec:
+#               command:
+#                 - mysqladmin
+#                 - ping
+#                 - -h
+#                 - localhost
+#             initialDelaySeconds: 30
+#             periodSeconds: 10
+#             timeoutSeconds: 5
+#             failureThreshold: 3
+#           readinessProbe:
+#             exec:
+#               command:
+#                 - mysqladmin
+#                 - ping
+#                 - -h
+#                 - localhost
+#             initialDelaySeconds: 10
+#             periodSeconds: 5
+#             timeoutSeconds: 3
+#             failureThreshold: 5
+#       volumes:
+#         - name: mysql-data
+#           persistentVolumeClaim:
+#             claimName: mysql-data-pvc