chart/templates/dag-processor/dag-processor-deployment.yaml

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################################
## Airflow Dag Processor Deployment
#################################
{{- if semverCompare ">=2.3.0" .Values.airflowVersion }}
{{- $enabled := .Values.dagProcessor.enabled }}
{{- if eq $enabled nil}}
  {{ $enabled = ternary true false (semverCompare ">=3.0.0" .Values.airflowVersion) }}
{{- end }}
{{- if $enabled }}
{{- $nodeSelector := or .Values.dagProcessor.nodeSelector .Values.nodeSelector }}
{{- $affinity := or .Values.dagProcessor.affinity .Values.affinity }}
{{- $tolerations := or .Values.dagProcessor.tolerations .Values.tolerations }}
{{- $topologySpreadConstraints := or .Values.dagProcessor.topologySpreadConstraints .Values.topologySpreadConstraints }}
{{- $revisionHistoryLimit := or .Values.dagProcessor.revisionHistoryLimit .Values.revisionHistoryLimit }}
{{- $securityContext := include "airflowPodSecurityContext" (list . .Values.dagProcessor) }}
{{- $containerSecurityContext := include "containerSecurityContext" (list . .Values.dagProcessor) }}
{{- $containerSecurityContextLogGroomerSidecar := include "containerSecurityContext" (list . .Values.dagProcessor.logGroomerSidecar) }}
{{- $containerSecurityContextWaitForMigrations := include "containerSecurityContext" (list . .Values.dagProcessor.waitForMigrations) }}
{{- $containerLifecycleHooks := or .Values.dagProcessor.containerLifecycleHooks .Values.containerLifecycleHooks }}
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ include "airflow.fullname" . }}-dag-processor
  labels:
    tier: airflow
    component: dag-processor
    release: {{ .Release.Name }}
    chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
    heritage: {{ .Release.Service }}
    {{- with .Values.labels }}
      {{- toYaml . | nindent 4 }}
    {{- end }}
  {{- if .Values.dagProcessor.annotations }}
  annotations: {{- toYaml .Values.dagProcessor.annotations | nindent 4 }}
  {{- end }}
spec:
  replicas: {{ .Values.dagProcessor.replicas }}
  {{- if $revisionHistoryLimit }}
  revisionHistoryLimit: {{ $revisionHistoryLimit }}
  {{- end }}
  selector:
    matchLabels:
      tier: airflow
      component: dag-processor
      release: {{ .Release.Name }}
  {{- if .Values.dagProcessor.strategy }}
  strategy: {{- toYaml .Values.dagProcessor.strategy | nindent 4 }}
  {{- end }}
  template:
    metadata:
      labels:
        tier: airflow
        component: dag-processor
        release: {{ .Release.Name }}
        {{- with .Values.labels }}
          {{- toYaml . | nindent 8 }}
        {{- end }}
      annotations:
        checksum/metadata-secret: {{ include (print $.Template.BasePath "/secrets/metadata-connection-secret.yaml") . | sha256sum }}
        checksum/pgbouncer-config-secret: {{ include (print $.Template.BasePath "/secrets/pgbouncer-config-secret.yaml") . | sha256sum }}
        checksum/airflow-config: {{ include (print $.Template.BasePath "/configmaps/configmap.yaml") . | sha256sum }}
        checksum/extra-configmaps: {{ include (print $.Template.BasePath "/configmaps/extra-configmaps.yaml") . | sha256sum }}
        checksum/extra-secrets: {{ include (print $.Template.BasePath "/secrets/extra-secrets.yaml") . | sha256sum }}
        {{- if .Values.dagProcessor.safeToEvict }}
        cluster-autoscaler.kubernetes.io/safe-to-evict: "true"
        {{- end }}
        {{- if .Values.airflowPodAnnotations }}
          {{- toYaml .Values.airflowPodAnnotations | nindent 8 }}
        {{- end }}
        {{- if .Values.dagProcessor.podAnnotations }}
          {{- toYaml .Values.dagProcessor.podAnnotations | nindent 8 }}
        {{- end }}
    spec:
      {{- if .Values.dagProcessor.priorityClassName }}
      priorityClassName: {{ .Values.dagProcessor.priorityClassName }}
      {{- end }}
      nodeSelector: {{- toYaml $nodeSelector | nindent 8 }}
      affinity:
      {{- if $affinity }}
        {{- toYaml $affinity | nindent 8 }}
      {{- else }}
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
          - podAffinityTerm:
              labelSelector:
                matchLabels:
                  component: dag-processor
              topologyKey: kubernetes.io/hostname
            weight: 100
      {{- end }}
      {{- if .Values.schedulerName }}
      schedulerName: {{ .Values.schedulerName }}
      {{- end }}
      tolerations: {{- toYaml $tolerations | nindent 8 }}
      topologySpreadConstraints: {{- toYaml $topologySpreadConstraints | nindent 8 }}
      terminationGracePeriodSeconds: {{ .Values.dagProcessor.terminationGracePeriodSeconds }}
      restartPolicy: Always
      serviceAccountName: {{ include "dagProcessor.serviceAccountName" . }}
      securityContext: {{ $securityContext | nindent 8 }}
      {{- if or .Values.registry.secretName .Values.registry.connection }}
      imagePullSecrets:
        - name: {{ template "registry_secret" . }}
      {{- end }}
      initContainers:
        {{- if .Values.dagProcessor.waitForMigrations.enabled }}
        - name: wait-for-airflow-migrations
          resources: {{- toYaml .Values.dagProcessor.resources | nindent 12 }}
          image: {{ template "airflow_image_for_migrations" . }}
          imagePullPolicy: {{ .Values.images.airflow.pullPolicy }}
          securityContext: {{ $containerSecurityContextWaitForMigrations | nindent 12 }}
          volumeMounts:
            {{- if .Values.volumeMounts }}
              {{- toYaml .Values.volumeMounts | nindent 12 }}
            {{- end }}
            {{- if .Values.dagProcessor.extraVolumeMounts }}
              {{- tpl (toYaml .Values.dagProcessor.extraVolumeMounts) . | nindent 12 }}
            {{- end }}
            {{- include "airflow_config_mount" . | nindent 12 }}
          args: {{- include "wait-for-migrations-command" . | indent 10 }}
          envFrom: {{- include "custom_airflow_environment_from" . | default "\n  []" | indent 10 }}
          env:
            {{- include "custom_airflow_environment" . | indent 10 }}
            {{- include "standard_airflow_environment" . | indent 10 }}
            {{- if .Values.dagProcessor.waitForMigrations.env }}
              {{- tpl (toYaml .Values.dagProcessor.waitForMigrations.env) $ | nindent 12 }}
            {{- end }}
        {{- end }}
        {{- if and (.Values.dags.gitSync.enabled) (not .Values.dags.persistence.enabled) }}
          {{- include "git_sync_container" (dict "Values" .Values "is_init" "true" "Template" .Template) | nindent 8 }}
        {{- end }}
        {{- if .Values.dagProcessor.extraInitContainers }}
          {{- tpl (toYaml .Values.dagProcessor.extraInitContainers) . | nindent 8 }}
        {{- end }}
      containers:
        - name: dag-processor
          image: {{ template "airflow_image" . }}
          imagePullPolicy: {{ .Values.images.airflow.pullPolicy }}
          securityContext: {{ $containerSecurityContext | nindent 12 }}
          {{- if $containerLifecycleHooks  }}
          lifecycle: {{- tpl (toYaml $containerLifecycleHooks) . | nindent 12 }}
          {{- end }}
          {{- if .Values.dagProcessor.command }}
          command: {{ tpl (toYaml .Values.dagProcessor.command) . | nindent 12 }}
          {{- end }}
          {{- if .Values.dagProcessor.args }}
          args: {{ tpl (toYaml .Values.dagProcessor.args) . | nindent 12 }}
          {{- end }}
          resources: {{- toYaml .Values.dagProcessor.resources | nindent 12 }}
          volumeMounts:
            {{- if .Values.volumeMounts }}
              {{- toYaml .Values.volumeMounts | nindent 12 }}
            {{- end }}
            {{- if .Values.dagProcessor.extraVolumeMounts }}
              {{- tpl (toYaml .Values.dagProcessor.extraVolumeMounts) . | nindent 12 }}
            {{- end }}
            - name: logs
              mountPath: {{ template "airflow_logs" . }}
            {{- include "airflow_config_mount" . | nindent 12 }}
            {{- if or .Values.dags.persistence.enabled .Values.dags.gitSync.enabled }}
              {{- include "airflow_dags_mount" . | nindent 12 }}
            {{- end }}
          envFrom: {{- include "custom_airflow_environment_from" . | default "\n  []" | indent 10 }}
          env:
            {{- include "custom_airflow_environment" . | indent 10 }}
            {{- include "standard_airflow_environment" . | indent 10 }}
            {{- include "container_extra_envs" (list . .Values.dagProcessor.env) | indent 10 }}
          livenessProbe:
            initialDelaySeconds: {{ .Values.dagProcessor.livenessProbe.initialDelaySeconds }}
            timeoutSeconds: {{ .Values.dagProcessor.livenessProbe.timeoutSeconds }}
            failureThreshold: {{ .Values.dagProcessor.livenessProbe.failureThreshold }}
            periodSeconds: {{ .Values.dagProcessor.livenessProbe.periodSeconds }}
            exec:
              command:
                {{- if .Values.dagProcessor.livenessProbe.command }}
                  {{- toYaml .Values.dagProcessor.livenessProbe.command | nindent 16 }}
                {{- else }}
                  {{- include "dag_processor_liveness_check_command" . | indent 14 }}
                {{- end }}
        {{- if and (.Values.dags.gitSync.enabled) (not .Values.dags.persistence.enabled) }}
          {{- include "git_sync_container" . | indent 8 }}
        {{- end }}
        {{- if .Values.dagProcessor.logGroomerSidecar.enabled }}
        - name: dag-processor-log-groomer
          resources: {{- toYaml .Values.dagProcessor.logGroomerSidecar.resources | nindent 12 }}
          image: {{ template "airflow_image" . }}
          imagePullPolicy: {{ .Values.images.airflow.pullPolicy }}
          securityContext: {{ $containerSecurityContextLogGroomerSidecar | nindent 12 }}
          {{- if .Values.dagProcessor.logGroomerSidecar.command }}
          command: {{ tpl (toYaml .Values.dagProcessor.logGroomerSidecar.command) . | nindent 12 }}
          {{- end }}
          {{- if .Values.dagProcessor.logGroomerSidecar.args }}
          args: {{- tpl (toYaml .Values.dagProcessor.logGroomerSidecar.args) . | nindent 12 }}
          {{- end }}
          env:
          {{- if .Values.dagProcessor.logGroomerSidecar.retentionDays }}
            - name: AIRFLOW__LOG_RETENTION_DAYS
              value: "{{ .Values.dagProcessor.logGroomerSidecar.retentionDays }}"
          {{- end }}
          {{- if .Values.dagProcessor.logGroomerSidecar.frequencyMinutes }}
            - name: AIRFLOW__LOG_CLEANUP_FREQUENCY_MINUTES
              value: "{{ .Values.dagProcessor.logGroomerSidecar.frequencyMinutes }}"
          {{- end }}
            - name: AIRFLOW_HOME
              value: "{{ .Values.airflowHome }}"
          {{- if .Values.dagProcessor.logGroomerSidecar.env }}
              {{- tpl (toYaml .Values.dagProcessor.logGroomerSidecar.env) $ | nindent 12 }}
          {{- end }}
          volumeMounts:
            - name: logs
              mountPath: {{ template "airflow_logs" . }}
            {{- if .Values.volumeMounts }}
              {{- toYaml .Values.volumeMounts | nindent 12 }}
            {{- end }}
            {{- if .Values.dagProcessor.extraVolumeMounts }}
              {{- tpl (toYaml .Values.dagProcessor.extraVolumeMounts) . | nindent 12 }}
            {{- end }}
            {{- if or .Values.webserver.webserverConfig .Values.webserver.webserverConfigConfigMapName }}
              {{- include "airflow_webserver_config_mount" . | nindent 12 }}
            {{- end }}
          {{- end }}
        {{- if .Values.dagProcessor.extraContainers }}
          {{- tpl (toYaml .Values.dagProcessor.extraContainers) . | nindent 8 }}
        {{- end }}
      volumes:
        - name: config
          configMap:
            name: {{ template "airflow_config" . }}
        {{- if or .Values.webserver.webserverConfig .Values.webserver.webserverConfigConfigMapName }}
        - name: webserver-config
          configMap:
            name: {{ template "airflow_webserver_config_configmap_name" . }}
        {{- end }}
        {{- if .Values.dags.persistence.enabled }}
        - name: dags
          persistentVolumeClaim:
            claimName: {{ template "airflow_dags_volume_claim" . }}
        {{- else if .Values.dags.gitSync.enabled }}
        - name: dags
          emptyDir: {{- toYaml (default (dict) .Values.dags.gitSync.emptyDirConfig) | nindent 12 }}
        {{- end }}
        {{- if and .Values.dags.gitSync.enabled (or .Values.dags.gitSync.sshKeySecret .Values.dags.gitSync.sshKey) }}
          {{- include "git_sync_ssh_key_volume" . | indent 8 }}
        {{- end }}
        {{- if .Values.volumes }}
          {{- toYaml .Values.volumes | nindent 8 }}
        {{- end }}
        {{- if .Values.dagProcessor.extraVolumes }}
          {{- tpl (toYaml .Values.dagProcessor.extraVolumes) . | nindent 8 }}
        {{- end }}
        {{- if .Values.logs.persistence.enabled }}
        - name: logs
          persistentVolumeClaim:
            claimName: {{ template "airflow_logs_volume_claim" . }}
        {{- else }}
        - name: logs
          emptyDir: {{- toYaml (default (dict) .Values.logs.emptyDirConfig) | nindent 12 }}
{{- end }}
{{- end }}
{{- end }}