(1.0.11) devops: migrate wordpress helm from postgresql to mysql with statefulset rename, updated images/ports, env and secret keys, services, volumes, and values references

charts/wordpress-helm/templates/database-statefulset.yaml

@@ -1,12 +1,12 @@
 apiVersion: apps/v1
 kind: StatefulSet
 metadata:
-  name: {{ .Values.fullname }}-postgresql
+  name: {{ .Values.fullname }}-mysql
   labels:
     {{- include "wordpress-website.labels" . | nindent 4 }}
     app.kubernetes.io/component: database
 spec:
-  serviceName: {{ .Values.fullname }}-postgresql
+  serviceName: {{ .Values.fullname }}-mysql
   replicas: 1
   selector:
     matchLabels:
@@ -19,37 +19,36 @@ spec:
         app.kubernetes.io/component: database
     spec:
       securityContext:
-        {{- toYaml .Values.postgresql.podSecurityContext | nindent 8 }}
+        {{- toYaml .Values.mysql.podSecurityContext | nindent 8 }}
       containers:
-        - name: postgresql
+        - name: mysql
-          image: "{{ .Values.postgresql.image.repository }}:{{ .Values.postgresql.image.tag }}"
+          image: "{{ .Values.mysql.image.repository }}:{{ .Values.mysql.image.tag }}"
-          imagePullPolicy: {{ .Values.postgresql.image.pullPolicy }}
+          imagePullPolicy: {{ .Values.mysql.image.pullPolicy }}
           ports:
-            - name: postgresql
+            - name: mysql
-              containerPort: 5432
+              containerPort: 3306
               protocol: TCP
           env:
-            - name: POSTGRES_DB
+            - name: MYSQL_DATABASE
-              value: {{ .Values.postgresql.database }}
+              value: {{ .Values.mysql.database }}
-            - name: POSTGRES_USER
+            - name: MYSQL_USER
-              value: {{ .Values.postgresql.username }}
+              value: {{ .Values.mysql.username }}
-            - name: POSTGRES_PASSWORD
+            - name: MYSQL_PASSWORD
               valueFrom:
                 secretKeyRef:
-                  name: {{ .Values.fullname }}-postgresql
+                  name: {{ .Values.fullname }}-mysql
-                  key: postgresql-password
+                  key: mysql-password
-            - name: PGDATA
+            - name: MYSQL_ROOT_PASSWORD
-              value: /var/lib/postgresql/data/pgdata
+              valueFrom:
-            - name: PGUSER
+                secretKeyRef:
-              value: {{ .Values.postgresql.username }}
+                  name: {{ .Values.fullname }}-mysql
-            - name: PGDATABASE
+                  key: mysql-root-password
-              value: {{ .Values.postgresql.database }}
           livenessProbe:
             exec:
               command:
                 - /bin/sh
                 - -c
-                - exec pg_isready -U "$POSTGRES_USER" -d "$POSTGRES_DB" -h 127.0.0.1 -p 5432
+                - "mysqladmin ping -u root -p${MYSQL_ROOT_PASSWORD}"
             initialDelaySeconds: 30
             periodSeconds: 10
             timeoutSeconds: 5
@@ -60,36 +59,36 @@ spec:
               command:
                 - /bin/sh
                 - -c
-                - exec pg_isready -U "$POSTGRES_USER" -d "$POSTGRES_DB" -h 127.0.0.1 -p 5432
+                - "mysqladmin ping -u root -p${MYSQL_ROOT_PASSWORD}"
             initialDelaySeconds: 5
             periodSeconds: 10
             timeoutSeconds: 5
             successThreshold: 1
             failureThreshold: 6
           resources:
-            {{- toYaml .Values.postgresql.resources | nindent 12 }}
+            {{- toYaml .Values.mysql.resources | nindent 12 }}
           volumeMounts:
-            - name: postgresql-data
+            - name: mysql-data
-              mountPath: /var/lib/postgresql/data
+              mountPath: /var/lib/mysql
       volumes:
-        - name: postgresql-data
+        - name: mysql-data
           persistentVolumeClaim:
-            claimName: {{ .Values.fullname }}-postgresql-data
+            claimName: {{ .Values.fullname }}-mysql-data
 ---
 apiVersion: v1
 kind: Service
 metadata:
-  name: {{ .Values.fullname }}-postgresql
+  name: {{ .Values.fullname }}-mysql
   labels:
     {{- include "wordpress-website.labels" . | nindent 4 }}
     app.kubernetes.io/component: database
 spec:
   type: ClusterIP
   ports:
-    - port: 5432
+    - port: 3306
-      targetPort: postgresql
+      targetPort: mysql
       protocol: TCP
-      name: postgresql
+      name: mysql
   selector:
     {{- include "wordpress-website.selectorLabels" . | nindent 4 }}
     app.kubernetes.io/component: database

charts/wordpress-helm/templates/deployment.yaml

@@ -42,16 +42,16 @@ spec:
               protocol: TCP
           env:
             - name: WORDPRESS_DB_HOST
-              value: {{ .Values.postgresql.host }}
+              value: {{ .Values.mysql.host }}
             - name: WORDPRESS_DB_NAME
-              value: {{ .Values.postgresql.database }}
+              value: {{ .Values.mysql.database }}
             - name: WORDPRESS_DB_USER
-              value: {{ .Values.postgresql.username }}
+              value: {{ .Values.mysql.username }}
             - name: WORDPRESS_DB_PASSWORD
               valueFrom:
                 secretKeyRef:
-                  name: {{ .Values.fullname }}-postgresql
+                  name: {{ .Values.fullname }}-mysql
-                  key: postgresql-password
+                  key: mysql-password
             - name: WORDPRESS_TABLE_PREFIX
               value: {{ .Values.wordpress.tablePrefix }}
             {{- if .Values.wordpress.authKey }}

charts/wordpress-helm/values.yaml

@@ -61,14 +61,15 @@ wordpress:
   loggedInSalt: ""
   nonceSalt: ""
 
-postgresql:
+mysql:
-  host: "wordpress-website-postgresql"
+  host: "wordpress-mysql"
   database: "wordpress"
   username: "wordpress"
   password: "changeme"
+  rootPassword: "rootpassword"
   image:
-    repository: postgres
+    repository: mysql
-    tag: "15-alpine"
+    tag: "8.0"
     pullPolicy: IfNotPresent
   resources:
     limits: