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# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you 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.

################################
## Airflow StatsD Deployment
#################################
{{- if .Values.statsd.enabled }}
{{- $nodeSelector := or .Values.statsd.nodeSelector .Values.nodeSelector }}
{{- $affinity := or .Values.statsd.affinity .Values.affinity }}
{{- $tolerations := or .Values.statsd.tolerations .Values.tolerations }}
{{- $topologySpreadConstraints := or .Values.statsd.topologySpreadConstraints .Values.topologySpreadConstraints }}
{{- $securityContext := include "localSecurityContext" .Values.statsd }}
kind: Deployment
apiVersion: apps/v1
metadata:
  name: {{ .Release.Name }}-statsd
  labels:
    tier: airflow
    component: statsd
    release: {{ .Release.Name }}
    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
    heritage: {{ .Release.Service }}
{{- with .Values.labels }}
{{ toYaml . | indent 4 }}
{{- end }}
spec:
  replicas: 1
  selector:
    matchLabels:
      tier: airflow
      component: statsd
      release: {{ .Release.Name }}
  template:
    metadata:
      labels:
        tier: airflow
        component: statsd
        release: {{ .Release.Name }}
{{- with .Values.labels }}
{{ toYaml . | indent 8 }}
{{- end }}
{{- if .Values.statsd.extraMappings }}
      annotations:
        checksum/statsd-config: {{ include (print $.Template.BasePath "/configmaps/statsd-configmap.yaml") . | sha256sum }}
{{- end }}
    spec:
      {{- if .Values.statsd.priorityClassName }}
      priorityClassName: {{ .Values.statsd.priorityClassName }}
      {{- end }}
      nodeSelector:
{{ toYaml $nodeSelector | indent 8 }}
      affinity:
{{ toYaml $affinity | indent 8 }}
      tolerations:
{{ toYaml $tolerations | indent 8 }}
      topologySpreadConstraints:
{{ toYaml $topologySpreadConstraints | indent 8 }}
      serviceAccountName: {{ include "statsd.serviceAccountName" . }}
      securityContext: {{ $securityContext | nindent 8 }}
      restartPolicy: Always
      {{- if or .Values.registry.secretName .Values.registry.connection }}
      imagePullSecrets:
        - name: {{ template "registry_secret" . }}
      {{- end }}
      containers:
        - name: statsd
          image: {{ template "statsd_image" . }}
          imagePullPolicy: {{ .Values.images.statsd.pullPolicy }}
          args:
            - "--statsd.mapping-config=/etc/statsd-exporter/mappings.yml"
          resources:
{{ toYaml .Values.statsd.resources | indent 12 }}
          ports:
            - name: statsd-ingest
              protocol: UDP
              containerPort: {{ .Values.ports.statsdIngest }}
            - name: statsd-scrape
              containerPort: {{ .Values.ports.statsdScrape }}
          livenessProbe:
            httpGet:
              path: /metrics
              port: {{ .Values.ports.statsdScrape }}
            initialDelaySeconds: 10
            periodSeconds: 10
            timeoutSeconds: 5
          readinessProbe:
            httpGet:
              path: /metrics
              port: {{ .Values.ports.statsdScrape }}
            initialDelaySeconds: 10
            periodSeconds: 10
            timeoutSeconds: 5
{{- if .Values.statsd.extraMappings }}
          volumeMounts:
            - name: config
              mountPath: /etc/statsd-exporter/mappings.yml
              subPath: mappings.yml
      volumes:
        - name: config
          configMap:
            name: {{ .Release.Name }}-statsd
{{- end }}
{{- end }}