Add mysql-clusters namespace

mysql-clusters/README.md

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+# MySQL clusters
+
+This is namespace for MySQL clusters managed by operator-bundle
+
+```
+kubectl create namespace mysql-clusters
+kubectl apply -n mysql-clusters -f application.yaml
+```

mysql-clusters/application.yaml

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+---
+apiVersion: codemowers.io/v1alpha1
+kind: ClusterMysqlDatabaseClass
+metadata:
+  name: external
+spec:
+  targetCluster: external
+  targetNamespace: mysql-clusters
+  description: "MySQL instance running on the ZFS box"
+---
+apiVersion: codemowers.io/v1alpha1
+kind: ClusterMysqlDatabaseClass
+metadata:
+  name: shared
+spec:
+  targetCluster: shared
+  targetNamespace: mysql-clusters
+  description: "Shared MySQL cluster"
+  replicas: 3
+  routers: 2
+  storageClass: mysql
+---
+apiVersion: codemowers.io/v1alpha1
+kind: ClusterMysqlDatabaseClass
+metadata:
+  name: dedicated
+spec:
+  targetNamespace: mysql-clusters
+  description: "Dedicated MySQL cluster"
+  replicas: 3
+  routers: 2
+  storageClass: mysql
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: phpmyadmin
+  namespace: mysql-clusters
+data:
+  config.user.inc.php: |
+    <?php
+    for ($i = 1; isset($hosts[$i - 1]); $i++) {
+      $cfg['Servers'][$i]['ssl'] = true;
+    }
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: phpmyadmin
+  namespace: mysql-clusters
+spec:
+  # phpMyAdmin session handling is not really compatible with more replicas
+  replicas: 1
+  selector:
+    matchLabels:
+      app: phpmyadmin
+  template:
+    metadata:
+      labels:
+        app: phpmyadmin
+    spec:
+      containers:
+        - name: phpmyadmin
+          image: phpmyadmin/phpmyadmin
+          volumeMounts:
+            - name: config
+              mountPath: /etc/phpmyadmin/config.user.inc.php
+              subPath: config.user.inc.php
+          ports:
+            - name: web
+              containerPort: 80
+              protocol: TCP
+          env:
+            - name: PMA_HOSTS
+              value: mysql-cluster-shared.mysql-clusters,mysql-cluster.authelia,mysql-cluster.etherpad,mariadb.authelia,mariadb.nextcloud,172.20.36.1
+            - name: PMA_PORTS
+              value: 6446,6446,6446,3306,3306,3306
+            - name: PMA_ABSOLUTE_URI
+              value: https://phpmyadmin.k-space.ee/
+            - name: UPLOAD_LIMIT
+              value: 10G
+      volumes:
+        - name: config
+          configMap:
+            name: phpmyadmin
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: phpmyadmin
+  namespace: mysql-clusters
+  annotations:
+    kubernetes.io/ingress.class: traefik
+    traefik.ingress.kubernetes.io/router.entrypoints: websecure
+    traefik.ingress.kubernetes.io/router.tls: "true"
+    external-dns.alpha.kubernetes.io/target: traefik.k-space.ee
+    traefik.ingress.kubernetes.io/router.middlewares: traefik-sso@kubernetescrd
+spec:
+  rules:
+  - host: phpmyadmin.k-space.ee
+    http:
+      paths:
+      - pathType: Prefix
+        path: "/"
+        backend:
+          service:
+            name: phpmyadmin
+            port:
+              number: 80
+  tls:
+  - hosts:
+    - "*.k-space.ee"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: phpmyadmin
+  namespace: mysql-clusters
+spec:
+  selector:
+    app: phpmyadmin
+  ports:
+  - protocol: TCP
+    port: 80
+    targetPort: 80