{{- if .Values.enabled }}
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ include "pgbouncer.fullname" . }}
  namespace: {{ include "pgbouncer.namespace" . }}
  labels:
    {{- include "pgbouncer.labels" . | nindent 4 }}
    app.kubernetes.io/component: pgbouncer
spec:
  replicas: {{ .Values.replicaCount }}
  selector:
    matchLabels:
      {{- include "pgbouncer.selectorLabels" . | nindent 6 }}
      app.kubernetes.io/component: pgbouncer
  template:
    metadata:
      annotations:
        checksum/bootstrap: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
        {{- with .Values.podAnnotations }}
        {{- toYaml . | nindent 8 }}
        {{- end }}
      labels:
        {{- include "pgbouncer.selectorLabels" . | nindent 8 }}
        app.kubernetes.io/component: pgbouncer
        {{- with .Values.podLabels }}
        {{- toYaml . | nindent 8 }}
        {{- end }}
    spec:
      {{- with .Values.nodeSelector }}
      nodeSelector:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.affinity }}
      affinity:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with .Values.tolerations }}
      tolerations:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      containers:
        - name: pgbouncer
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          command: ["/bin/sh", "/bootstrap/entrypoint.sh"]
          env:
            - name: POSTGRES_HOST
              value: "{{ .Values.postgres.host }}"
            - name: POSTGRES_PORT
              value: "{{ .Values.postgres.port }}"
            - name: SERVER_DATABASE
              value: "{{ .Values.postgres.appDatabase }}"
            - name: ADMIN_DATABASE
              value: "{{ .Values.postgres.adminDatabase }}"
            - name: DB_USER_SERVER
              value: "{{ .Values.postgres.appUser }}"
            - name: POSTGRES_USER
              value: "{{ .Values.postgres.adminUser }}"
            - name: AUTH_TYPE
              value: "{{ .Values.authType }}"
            - name: PGBOUNCER_PORT
              value: "{{ .Values.service.port }}"
            - name: POOL_MODE
              value: "{{ .Values.pool.mode }}"
            - name: MAX_CLIENT_CONN
              value: "{{ .Values.pool.maxClientConn }}"
            - name: DEFAULT_POOL_SIZE
              value: "{{ .Values.pool.defaultPoolSize }}"
            - name: MIN_POOL_SIZE
              value: "{{ .Values.pool.minPoolSize }}"
            - name: RESERVE_POOL_SIZE
              value: "{{ .Values.pool.reservePoolSize }}"
            - name: RESERVE_POOL_TIMEOUT
              value: "{{ .Values.pool.reservePoolTimeout }}"
            - name: MAX_DB_CONNECTIONS
              value: "{{ .Values.pool.maxDbConnections }}"
            - name: MAX_USER_CONNECTIONS
              value: "{{ .Values.pool.maxUserConnections }}"
            - name: IDLE_TRANSACTION_TIMEOUT
              value: "{{ .Values.pool.idleTransactionTimeout }}"
            - name: SERVER_IDLE_TIMEOUT
              value: "{{ .Values.pool.serverIdleTimeout }}"
            - name: DB_PASSWORD_SERVER
              valueFrom:
                secretKeyRef:
                  name: {{ .Values.postgres.appPasswordSecret.name }}
                  key: {{ .Values.postgres.appPasswordSecret.key }}
            - name: POSTGRES_PWD
              valueFrom:
                secretKeyRef:
                  name: {{ .Values.postgres.adminPasswordSecret.name }}
                  key: {{ .Values.postgres.adminPasswordSecret.key }}
          ports:
            - name: pgbouncer
              containerPort: {{ .Values.service.port }}
              protocol: TCP
          readinessProbe:
            tcpSocket:
              port: pgbouncer
            initialDelaySeconds: 5
            periodSeconds: 10
          livenessProbe:
            tcpSocket:
              port: pgbouncer
            initialDelaySeconds: 10
            periodSeconds: 20
          resources:
            {{- toYaml .Values.resources | nindent 12 }}
          volumeMounts:
            - name: bootstrap
              mountPath: /bootstrap
              readOnly: true
            - name: workdir
              mountPath: /work
      volumes:
        - name: bootstrap
          configMap:
            name: {{ include "pgbouncer.fullname" . }}-bootstrap
            defaultMode: 0755
        - name: workdir
          emptyDir: {}
{{- end }}