[UPDATE] - mysql health checks

Author: aswin-vijayan

04-wordpress-deployment/mysql.yaml

@@ -44,52 +44,43 @@ spec:
         - name: mysql-config
           mountPath: /docker-entrypoint-initdb.d
         resources:
-            requests:
-              memory: "256Mi"
-              cpu: "100m"
-            limits:
-              memory: "512Mi"
-              cpu: "200m"
+          requests:
+            memory: "256Mi"
+            cpu: "100m"
+          limits:
+            memory: "512Mi"
+            cpu: "200m"
         startupProbe:
           exec:
-              command:
-                - /bin/bash
-                - -ec
-                - |
-                  password_aux="${MYSQL_ROOT_PASSWORD:-}"
-                  if [[ -f "${MYSQL_ROOT_PASSWORD_FILE:-}" ]]; then
-                      password_aux=$(cat "$MYSQL_ROOT_PASSWORD_FILE")
-                  fi
-                  mysqladmin status -uroot -p"${password_aux}"
-          initialDelaySeconds: 60
+            command:
+              - /bin/bash
+              - -ec
+              - |
+                password_aux="${MYSQL_ROOT_PASSWORD:-}"
+                if [[ -f "${MYSQL_ROOT_PASSWORD_FILE:-}" ]]; then
+                    password_aux=$(cat "$MYSQL_ROOT_PASSWORD_FILE")
+                fi
+                mysqladmin status -uroot -p"${password_aux}"
+          initialDelaySeconds: 80
           periodSeconds: 10
           failureThreshold: 30
         livenessProbe:
-          exec:
-              command:
-                - /bin/bash
-                - -ec
-                - |
-                  password_aux="${MYSQL_ROOT_PASSWORD:-}"
-                  if [[ -f "${MYSQL_ROOT_PASSWORD_FILE:-}" ]]; then
-                      password_aux=$(cat "$MYSQL_ROOT_PASSWORD_FILE")
-                  fi
-                  mysqladmin status -uroot -p"${password_aux}"
+          tcpSocket:
+            port: 3306
           periodSeconds: 10
           timeoutSeconds: 5
-          successThreshold: 1
           failureThreshold: 3
         readinessProbe:
           exec:
-              command:
-                - /bin/bash
-                - -ec
-                - |
-                  password_aux="${MYSQL_ROOT_PASSWORD:-}"
-                  if [[ -f "${MYSQL_ROOT_PASSWORD_FILE:-}" ]]; then
-                      password_aux=$(cat "$MYSQL_ROOT_PASSWORD_FILE")
-                  fi
-                  mysqladmin status -uroot -p"${password_aux}"
+            command:
+              - /bin/bash
+              - -ec
+              - |
+                password_aux="${MYSQL_ROOT_PASSWORD:-}"
+                if [[ -f "${MYSQL_ROOT_PASSWORD_FILE:-}" ]]; then
+                    password_aux=$(cat "$MYSQL_ROOT_PASSWORD_FILE")
+                fi
+                mysqladmin ping -uroot -p"${password_aux}"
           periodSeconds: 10
           timeoutSeconds: 5
           successThreshold: 1
@@ -101,7 +92,6 @@ spec:
         - name: mysql-volume
           persistentVolumeClaim:
             claimName: mysql-pvc
-
 ---
 apiVersion: v1
 kind: Service
@@ -115,4 +105,4 @@ spec:
   ports:
     - protocol: TCP
       port: 3306
-      targetPort: 3306
+      targetPort: 3306