add mysqld-exporter

prod-upgrade/prom/mysql-exporter.yaml

@@ -0,0 +1,81 @@
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: mysqld-exporter
+data:
+  config: |-
+    [client]
+    user = exporter
+    password = beaconfire@2024!
+
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: mysql-exporter
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: mysql-exporter
+  template:
+    metadata:
+      labels:
+        app: mysql-exporter
+    spec:
+      containers:
+      - name: mysql-exporter
+        image: prom/mysqld-exporter:v0.15.1
+        imagePullPolicy: Always
+        args:
+          - --no-collect.info_schema.innodb_cmp
+          - --no-collect.info_schema.innodb_cmpmem 
+          - --no-collect.global_variables
+        volumeMounts:
+        - name: config.my-cnf
+          mountPath: /etc/my.cnf
+          subPath: my.cnf
+          readOnly: true
+        resources: 
+          requests:
+            cpu: 0.01
+            memory: 128Mi
+          limits:
+            cpu: 0.1
+            memory: 512Mi
+      volumes:
+      - name: config.my-cnf
+        configMap:
+          name: mysqld-exporter
+          items:
+          - key: config
+            path: my.cnf
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+            - matchExpressions:
+              - key: "app.kubernetes.io/component"
+                operator: In
+                values:
+                - mysql
+      tolerations:
+        - key: "app.kubernetes.io/component"
+          operator: "Equal"
+          value: "mysql"
+          effect: "NoSchedule"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: mysql-exporter
+spec:
+  type: ClusterIP
+  ports:
+    - name: http
+      protocol: TCP
+      port: 8761
+      targetPort: http
+  selector:
+    app: mysql-exporter