apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ template "mysql.fullname" . }}
  namespace: {{ .Release.Namespace }}
  labels:
    app: {{ template "mysql.fullname" . }}
    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
    release: "{{ .Release.Name }}"
    heritage: "{{ .Release.Service }}"
{{- with .Values.deploymentAnnotations }}
  annotations:
{{ toYaml . | indent 4 }}
{{- end }}

spec:
  strategy:
{{ toYaml .Values.strategy | indent 4 }}
  selector:
    matchLabels:
      app: {{ template "mysql.fullname" . }}
      release: {{ .Release.Name }}
  template:
    metadata:
      labels:
        app: {{ template "mysql.fullname" . }}
        release: {{ .Release.Name }}
{{- with .Values.podLabels }}
{{ toYaml . | indent 8 }}
{{- end }}
{{- with .Values.podAnnotations }}
      annotations:
{{ toYaml . | indent 8 }}
{{- end }}
    spec:
      {{- if .Values.schedulerName }}
      schedulerName: "{{ .Values.schedulerName }}"
      {{- end }}
      {{- if .Values.imagePullSecrets }}
      imagePullSecrets:
{{ toYaml .Values.imagePullSecrets | indent 8 }}
      {{- end }}
      {{- if .Values.priorityClassName }}
      priorityClassName: "{{ .Values.priorityClassName }}"
      {{- end }}
      {{- if .Values.securityContext.enabled }}
      securityContext:
        fsGroup: {{ .Values.securityContext.fsGroup }}
        runAsUser: {{ .Values.securityContext.runAsUser }}
      {{- end }}
      serviceAccountName: {{ template "mysql.serviceAccountName" . }}
      initContainers:
      - name: "remove-lost-found"
        image: "{{ .Values.busybox.image}}:{{ .Values.busybox.tag }}"
        imagePullPolicy: {{ .Values.imagePullPolicy | quote }}
        resources:
{{ toYaml .Values.initContainer.resources | indent 10 }}
        command:  ["rm", "-fr", "/var/lib/mysql/lost+found"]
        volumeMounts:
        - name: data
          mountPath: /var/lib/mysql
          {{- if .Values.persistence.subPath }}
          subPath: {{ .Values.persistence.subPath }}
          {{- end }}
      {{- if .Values.extraInitContainers }}
{{ tpl .Values.extraInitContainers . | indent 6 }}
      {{- end }}
      {{- if .Values.nodeSelector }}
      nodeSelector:
{{ toYaml .Values.nodeSelector | indent 8 }}
      {{- end }}
      {{- if .Values.affinity }}
      affinity:
{{ toYaml .Values.affinity | indent 8 }}
      {{- end }}
      {{- if .Values.tolerations }}
      tolerations:
{{ toYaml .Values.tolerations | indent 8 }}
      {{- end }}
      containers:
      - name: {{ template "mysql.fullname" . }}
        image: "{{ .Values.image }}:{{ .Values.imageTag }}"
        imagePullPolicy: {{ .Values.imagePullPolicy | quote }}

        {{- with .Values.args }}
        args:
        {{- range . }}
          - {{ . | quote }}
        {{- end }}
        {{- end }}
        resources:
{{ toYaml .Values.resources | indent 10 }}
        env:
        {{- if .Values.mysqlAllowEmptyPassword }}
        - name: MYSQL_ALLOW_EMPTY_PASSWORD
          value: "true"
        {{- end }}
        {{- if not (and .Values.allowEmptyRootPassword (not .Values.mysqlRootPassword)) }}
        - name: MYSQL_ROOT_PASSWORD
          valueFrom:
            secretKeyRef:
              # name: {{ template "mysql.secretName" . }}
              name: mysql
              key: mysql-root-password
              {{- if .Values.mysqlAllowEmptyPassword }}
              optional: true
              {{- end }}
        {{- end }}
        {{- if not (and .Values.allowEmptyRootPassword (not .Values.mysqlPassword)) }}
        - name: MYSQL_PASSWORD
          valueFrom:
            secretKeyRef:
              # name: {{ template "mysql.secretName" . }}
              name: mysql
              key: mysql-password
              {{- if or .Values.mysqlAllowEmptyPassword (empty .Values.mysqlUser) }}
              optional: true
              {{- end }}
        {{- end }}
        - name: MYSQL_USER
          value: {{ default "" .Values.mysqlUser | quote }}
        - name: MYSQL_DATABASE
          value: {{ default "" .Values.mysqlDatabase | quote }}
        {{- if .Values.timezone }}
        - name: TZ
          value: {{ .Values.timezone }}
        {{- end }}
        {{- if .Values.extraEnvVars }}
{{ tpl .Values.extraEnvVars . | indent 8 }}
        {{- end }}
        ports:
        - name: mysql
          containerPort: 3306
        livenessProbe:
          exec:
            command:
            {{- if .Values.mysqlAllowEmptyPassword }}
            - mysqladmin
            - ping
            {{- else }}
            - sh
            - -c
            - "mysqladmin ping -u root -p${MYSQL_ROOT_PASSWORD}"
            {{- end }}
          initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
          periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
          timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
          successThreshold: {{ .Values.livenessProbe.successThreshold }}
          failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
        readinessProbe:
          exec:
            command:
            {{- if .Values.mysqlAllowEmptyPassword }}
            - mysqladmin
            - ping
            {{- else }}
            - sh
            - -c
            - "mysqladmin ping -u root -p${MYSQL_ROOT_PASSWORD}"
            {{- end }}
          initialDelaySeconds: {{ .Values.readinessProbe.initialDelaySeconds }}
          periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
          timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
          successThreshold: {{ .Values.readinessProbe.successThreshold }}
          failureThreshold: {{ .Values.readinessProbe.failureThreshold }}
        volumeMounts:
        - name: data
          mountPath: /var/lib/mysql
          {{- if .Values.persistence.subPath }}
          subPath: {{ .Values.persistence.subPath }}
          {{- end }}
        {{- if .Values.configurationFiles }}
        {{- range $key, $val := .Values.configurationFiles }}
        - name: configurations
          mountPath: {{ $.Values.configurationFilesPath }}{{ $key }}
          subPath: {{ $key }}
        {{- end -}}
        {{- end }}
        {{- if .Values.initializationFiles }}
        - name: migrations
          mountPath: /docker-entrypoint-initdb.d
        {{- end }}
        {{- if .Values.ssl.enabled }}
        - name: certificates
          mountPath: /ssl
        {{- end }}
        {{- if .Values.extraVolumeMounts }}
{{ tpl .Values.extraVolumeMounts . | indent 8 }}
        {{- end }}
      {{- if .Values.metrics.enabled }}
      - name: metrics
        image: "{{ .Values.metrics.image }}:{{ .Values.metrics.imageTag }}"
        imagePullPolicy: {{ .Values.metrics.imagePullPolicy | quote }}
        {{- if .Values.mysqlAllowEmptyPassword }}
        command:
        - 'sh'
        - '-c'
        - 'DATA_SOURCE_NAME="root@(localhost:3306)/" /bin/mysqld_exporter'
        {{- else }}
        env:
        - name: MYSQL_ROOT_PASSWORD
          valueFrom:
            secretKeyRef:
              # name: {{ template "mysql.secretName" . }}
              name: mysql
              key: mysql-root-password
        command:
        - 'sh'
        - '-c'
        - 'DATA_SOURCE_NAME="root:$MYSQL_ROOT_PASSWORD@(localhost:3306)/" /bin/mysqld_exporter'
        {{- end }}
        {{- range $f := .Values.metrics.flags }}
        - {{ $f | quote }}
        {{- end }}
        ports:
        - name: metrics
          containerPort: 9104
        livenessProbe:
          httpGet:
            path: /
            port: metrics
          initialDelaySeconds: {{ .Values.metrics.livenessProbe.initialDelaySeconds }}
          timeoutSeconds: {{ .Values.metrics.livenessProbe.timeoutSeconds }}
        readinessProbe:
          httpGet:
            path: /
            port: metrics
          initialDelaySeconds: {{ .Values.metrics.readinessProbe.initialDelaySeconds }}
          timeoutSeconds: {{ .Values.metrics.readinessProbe.timeoutSeconds }}
        resources:
{{ toYaml .Values.metrics.resources | indent 10 }}
      {{- end }}
      volumes:
      {{- if .Values.configurationFiles }}
      - name: configurations
        configMap:
          name: {{ template "mysql.fullname" . }}-configuration
      {{- end }}
      {{- if .Values.initializationFiles }}
      - name: migrations
        configMap:
          name: {{ template "mysql.fullname" . }}-initialization
      {{- end }}
      {{- if .Values.ssl.enabled }}
      - name: certificates
        secret:
          secretName: {{ .Values.ssl.secret }}
      {{- end }}
      - name: data
      {{- if .Values.persistence.enabled }}
        persistentVolumeClaim:
          claimName: {{ .Values.persistence.existingClaim | default (include "mysql.fullname" .) }}
      {{- else }}
        emptyDir: {}
      {{- end -}}
      {{- if .Values.extraVolumes }}
{{ tpl .Values.extraVolumes . | indent 6 }}
      {{- end }}