{{/*
Copyright 2017 The Openstack-Helm Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/}}

{{- if and .Values.manifests.monitoring.prometheus.deployment_exporter .Values.monitoring.prometheus.enabled }}
{{- $envAll := . }}
{{- $dependencies := .Values.dependencies.static.prometheus_mysql_exporter }}

{{- $serviceAccountName := "prometheus-mysql-exporter"}}
{{ tuple $envAll $dependencies $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: prometheus-mysql-exporter
spec:
  replicas: {{ .Values.pod.replicas.prometheus_mysql_exporter }}
{{ tuple $envAll | include "helm-toolkit.snippets.kubernetes_upgrades_deployment" | indent 2 }}
  template:
    metadata:
      labels:
{{ tuple $envAll "prometheus_mysql_exporter" "exporter" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
      namespace: {{ .Values.endpoints.prometheus_mysql_exporter.namespace }}
    spec:
      serviceAccountName: {{ $serviceAccountName }}
      nodeSelector:
        {{ .Values.labels.prometheus_mysql_exporter.node_selector_key }}: {{ .Values.labels.prometheus_mysql_exporter.node_selector_value }}
      terminationGracePeriodSeconds: {{ .Values.pod.lifecycle.termination_grace_period.prometheus_mysql_exporter.timeout | default "30" }}
      initContainers:
{{ tuple $envAll $dependencies list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
      containers:
        - name: mysql-exporter
          image: {{ .Values.images.tags.prometheus_mysql_exporter }}
          imagePullPolicy: {{ .Values.images.pull_policy }}
{{ tuple $envAll $envAll.Values.pod.resources.prometheus_mysql_exporter | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
          command:
            - /tmp/mysqld-exporter.sh
            - start
          ports:
            - name: metrics
              containerPort: {{ .Values.network.prometheus_mysql_exporter.port }}
          env:
            - name: EXPORTER_USER
              valueFrom:
                secretKeyRef:
                  name: mysql-exporter-secrets
                  key: EXPORTER_USER
            - name: EXPORTER_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: mysql-exporter-secrets
                  key: EXPORTER_PASSWORD
            - name: DATA_SOURCE_NAME
              valueFrom:
                secretKeyRef:
                  name: mysql-exporter-secrets
                  key: DATA_SOURCE_NAME
          volumeMounts:
            - name: mysql-exporter-secrets
              mountPath: /etc/mysql/mysql_user.cnf
              subPath: mysql_user.cnf
              readOnly: true
            - name: mysql-exporter-bin
              mountPath: /tmp/mysqld-exporter.sh
              subPath: mysqld-exporter.sh
              readOnly: true
      volumes:
        - name: mysql-exporter-secrets
          secret:
            secretName: mysql-exporter-secrets
            defaultMode: 0444
        - name: mysql-exporter-bin
          configMap:
            name: mysql-exporter-bin
            defaultMode: 0555
{{- end }}