From 4f7c595a2d82324da9c7553f596f0684f2054df6 Mon Sep 17 00:00:00 2001
From: Erki Aas <erki@veebkolm.ee>
Date: Sun, 28 Dec 2025 22:07:39 +0200
Subject: [PATCH] Dedicated mariadb for etherpad

---
 etherpad/application.yml |  6 +--
 etherpad/mariadb.yml     | 99 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 102 insertions(+), 3 deletions(-)
 create mode 100644 etherpad/mariadb.yml

diff --git a/etherpad/application.yml b/etherpad/application.yml
index e83eeb6..ae93c8d 100644
--- a/etherpad/application.yml
+++ b/etherpad/application.yml
@@ -42,11 +42,11 @@ spec:
             - name: DB_TYPE
               value: mysql
             - name: DB_HOST
-              value: 172.20.36.1
+              value: mariadb
             - name: DB_NAME
-              value: kspace_etherpad
+              value: etherpad
             - name: DB_USER
-              value: kspace_etherpad
+              value: etherpad
             - name: PAD_OPTIONS_NO_COLORS
               value: "true"
             - name: PAD_OPTIONS_USE_MONOSPACE_FONT
diff --git a/etherpad/mariadb.yml b/etherpad/mariadb.yml
new file mode 100644
index 0000000..e273338
--- /dev/null
+++ b/etherpad/mariadb.yml
@@ -0,0 +1,99 @@
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: mariadb
+spec:
+  revisionHistoryLimit: 0
+  serviceName: mariadb
+  selector:
+    matchLabels:
+      app: mariadb
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: mariadb
+      annotations:
+        prometheus.io/port: '9104'
+        prometheus.io/scrape: 'true'
+    spec:
+      containers:
+      - name: exporter
+        image: mirror.gcr.io/prom/mysqld-exporter:latest
+        args: 
+        - --mysqld.username
+        - exporter
+      - name: mariadb
+        image: mirror.gcr.io/library/mariadb:12.1
+        imagePullPolicy: Always
+        env:
+        - name: MYSQL_ROOT_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: mariadb-secrets
+              key: MYSQL_ROOT_PASSWORD
+        - name: MYSQL_USER
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        - name: MYSQL_DATABASE
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.namespace
+        - name: MYSQL_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: mariadb-secrets
+              key: MYSQL_PASSWORD
+        volumeMounts:
+        - name: mariadb-data
+          mountPath: /var/lib/mysql
+        - name: mariadb-init
+          mountPath: /docker-entrypoint-initdb.d
+      volumes:
+        - name: mariadb-init
+          configMap:
+            name: mariadb-init-config
+  volumeClaimTemplates:
+  - metadata:
+      name: mariadb-data
+    spec:
+      storageClassName: ceph-rbd
+      accessModes:
+        - ReadWriteOnce
+      resources:
+        requests:
+          storage: 2Gi
+---
+apiVersion: codemowers.cloud/v1beta1
+kind: SecretClaim
+metadata:
+  name: mariadb-secrets
+spec:
+  size: 32
+  mapping:
+    - key: MYSQL_ROOT_PASSWORD
+      value: "%(plaintext)s"
+    - key: MYSQL_PASSWORD
+      value: "%(plaintext)s"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: mariadb
+spec:
+  ports:
+    - protocol: TCP
+      port: 3306
+  selector:
+    app: mariadb
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: mariadb-init-config
+data:
+  initdb.sql: |
+    CREATE USER 'exporter'@'127.0.0.1' WITH MAX_USER_CONNECTIONS 3;
+    GRANT PROCESS, REPLICATION CLIENT, SLAVE MONITOR, SELECT ON *.* TO 'exporter'@'127.0.0.1';