{{/*
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 := . }}

{{- $serviceAccountName := "prometheus-mysql-exporter" }}
{{ tuple $envAll "prometheus_mysql_exporter" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: prometheus-mysql-exporter
  labels:
{{ tuple $envAll "prometheus-mysql-exporter" "exporter" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
spec:
  replicas: {{ .Values.pod.replicas.prometheus_mysql_exporter }}
  selector:
    matchLabels:
{{ tuple $envAll "prometheus-mysql-exporter" "exporter" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
{{ 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 }}
      annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
{{ dict "envAll" $envAll "podName" "prometheus-mysql-exporter" "containerNames" (list "init" "mysql-exporter") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
    spec:
      shareProcessNamespace: true
      serviceAccountName: {{ $serviceAccountName }}
{{ dict "envAll" $envAll "application" "prometheus_mysql_exporter" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
      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 "prometheus_mysql_exporter" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
      containers:
        - name: mysql-exporter
{{ tuple $envAll "prometheus_mysql_exporter" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ dict "envAll" $envAll "application" "prometheus_mysql_exporter" "container" "exporter" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.prometheus_mysql_exporter | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
          command:
            - /tmp/mysqld-exporter.sh
          ports:
            - name: metrics
              containerPort: {{ tuple "prometheus_mysql_exporter" "internal" "metrics" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
          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: POD_IP
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
            - name: LISTEN_PORT
              value: {{ tuple "prometheus_mysql_exporter" "internal" "metrics" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
            - name: TELEMETRY_PATH
              value: {{ tuple "prometheus_mysql_exporter" "internal" "metrics" . | include "helm-toolkit.endpoints.keystone_endpoint_path_lookup" | quote }}
          volumeMounts:
            - name: pod-tmp
              mountPath: /tmp
            - 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
{{ dict "enabled" $envAll.Values.manifests.certificates "name" $envAll.Values.secrets.tls.oslo_db.server.internal "path" "/etc/mysql/certs" | include "helm-toolkit.snippets.tls_volume_mount" | indent 12 }}
      volumes:
        - name: pod-tmp
          emptyDir: {}
        - name: mysql-exporter-secrets
          secret:
            secretName: mysql-exporter-secrets
            defaultMode: 0444
        - name: mysql-exporter-bin
          configMap:
            name: mysql-exporter-bin
            defaultMode: 0555
{{ dict "enabled" $envAll.Values.manifests.certificates "name" $envAll.Values.secrets.tls.oslo_db.server.internal | include "helm-toolkit.snippets.tls_volume" | indent 8 }}
{{- end }}
