apiVersion: apps/v1
kind: StatefulSet
metadata:
  namespace: {{ .Release.Namespace }}
  name: statefulset-mariadb
  labels:
    {{- include "site.labels" . | nindent 4 }}
spec:
  selector:
    matchLabels:
      app: mariadb
      tier: mariadb
  serviceName: "mariadb"
  replicas: 1
  template:
    metadata:
      labels:
        app: mariadb
        tier: mariadb
        {{- include "site.labels" . | nindent 8 }}
      annotations:
        checksum/configmap: {{ include (print $.Template.BasePath "/mariadb/configmap-mariadb.yaml") . | sha256sum }}
        checksum/secret: {{ include (print $.Template.BasePath "/mariadb/secret-mariadb.yaml") . | sha256sum }}
        checksum/values-config: {{ .Files.Get "values-config-k3s.yaml" | sha256sum }}      
    spec:
      automountServiceAccountToken: false
      containers:
      - image: {{ required ".Values.mariadb.repository entry is required!" .Values.mariadb.repository }}:{{ required ".Values.mariadb.tag entry is required!" .Values.mariadb.tag }}
        imagePullPolicy: IfNotPresent
        name: mariadb
        envFrom:
          - configMapRef:
              name: configmap-mariadb-envvars
          - secretRef:
              name: secret-mariadb

        ports:
        - containerPort: 3306
          name: mariadb

        startupProbe:
          tcpSocket:
            port: 3306
          failureThreshold: 12
          periodSeconds: 10
          timeoutSeconds: 5

        livenessProbe:
          tcpSocket:
            port: 3306
          periodSeconds: 60
          failureThreshold: 1
          initialDelaySeconds: 0
          timeoutSeconds: 5

        readinessProbe:
          tcpSocket:
            port: 3306
          periodSeconds: 10
          failureThreshold: 3
          initialDelaySeconds: 0
          timeoutSeconds: 5

        resources:
          requests:
            memory: "{{ required ".Values.mariadb.ressourceRequest.memory entry is required!" .Values.mariadb.ressourceRequest.memory }}"
            cpu: "{{ required ".Values.mariadb.ressourceRequest.cpu entry is required!" .Values.mariadb.ressourceRequest.cpu }}"
            ephemeral-storage: "{{ required ".Values.mariadb.ressourceRequest.ephemeralStorage entry is required!" .Values.mariadb.ressourceRequest.ephemeralStorage }}"
          limits:
            memory: "{{ required ".Values.mariadb.ressourceLimit.memory entry is required!" .Values.mariadb.ressourceLimit.memory }}"
            cpu: "{{ required ".Values.mariadb.ressourceLimit.cpu entry is required!" .Values.mariadb.ressourceLimit.cpu }}"
            ephemeral-storage: "{{ required ".Values.mariadb.ressourceLimit.ephemeralStorage entry is required!" .Values.mariadb.ressourceLimit.ephemeralStorage }}"

        volumeMounts:
        - name: mariadb-datadir
          mountPath: /var/lib/mysql
        - name: mariadb-config
          mountPath: /etc/mysql/conf.d/

        lifecycle:
          preStop:
            exec:
              command: ["/bin/sh","-c","pkill -SIGTERM mariadb"]

      terminationGracePeriodSeconds: {{ required ".Values.mariadb.terminationGracePeriodSeconds entry is required!" .Values.mariadb.terminationGracePeriodSeconds }}

      volumes:
      - name: mariadb-datadir
        persistentVolumeClaim:
          claimName: pvc-mariadb-datadir
      - name: mariadb-config
        configMap:
          name: configmap-mariadb-config