charts/bitnami/airflow/templates/deployment-web.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ template "airflow.fullname" . }}-web
  labels:
    app.kubernetes.io/name: {{ include "airflow.name" . }}
    helm.sh/chart: {{ include "airflow.chart" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/managed-by: {{ .Release.Service }}
    app.kubernetes.io/component: web
spec:
  selector:
    matchLabels:
      app.kubernetes.io/name: {{ include "airflow.name" . }}
      app.kubernetes.io/instance: {{ .Release.Name }}
      app.kubernetes.io/component: web
  replicas: {{ .Values.replicaCount }}
  template:
    metadata:
      labels:
        app.kubernetes.io/name: {{ include "airflow.name" . }}
        helm.sh/chart: {{ include "airflow.chart" . }}
        app.kubernetes.io/instance: {{ .Release.Name }}
        app.kubernetes.io/component: web
    {{- if .Values.podAnnotations }}
      annotations:
      {{ toYaml .Values.podAnnotations | nindent 8 }}
    {{- end }}
    {{- if .Values.nodeSelector }}
      nodeSelector:
      {{ toYaml .Values.nodeSelector | nindent 8 }}
      {{- end -}}
    {{- with .Values.affinity }}
      affinity:
      {{ toYaml . | nindent 8 }}
    {{- end }}
    {{- with .Values.tolerations }}
      tolerations:
      {{ toYaml . | nindent 8 }}
    {{- end }}
    spec:
      {{- include "airflow.imagePullSecrets" . | nindent 6 }}
      {{- if .Values.securityContext.enabled }}
      securityContext:
        fsGroup: {{ .Values.securityContext.fsGroup }}
        runAsUser: {{ .Values.securityContext.runAsUser }}
      {{- end }}
      {{- if .Values.airflow.cloneDagFilesFromGit.enabled }}
      initContainers:
      - name: git-clone-repository
        image: "{{ template "git.image" . }}"
        imagePullPolicy: {{ .Values.git.pullPolicy | quote }}
        command:
        - /bin/bash
        - -ec
        - |
          git clone {{ .Values.airflow.cloneDagFilesFromGit.repository }} --branch {{ .Values.airflow.cloneDagFilesFromGit.branch }} /dags
        volumeMounts:
        - name: git-cloned-dag-files
          mountPath: /dags
      containers:
      - name: git-repo-syncer
        image: "{{ template "git.image" . }}"
        imagePullPolicy: {{ .Values.git.pullPolicy | quote }}
        command:
        - /bin/bash
        - -ec
        - |
          while true; do
              cd /dags && git pull origin {{ .Values.airflow.cloneDagFilesFromGit.branch }}
              sleep {{ default "60" .Values.airflow.cloneDagFilesFromGit.interval }}
          done
        volumeMounts:
        - name: git-cloned-dag-files
          mountPath: /dags
      {{- else }}
      containers:
      {{- end }}
      - name: airflow-web
        image: {{ template "airflow.image" . }}
        imagePullPolicy: {{ .Values.image.pullPolicy | quote }}
        env:
        {{- if .Values.image.debug }}
        - name: BASH_DEBUG
          value: "1"
        - name: NAMI_DEBUG
          value: "1"
        - name: NAMI_LOG_LEVEL
          value: "trace8"
        {{- end }}
        - name: AIRFLOW_DATABASE_NAME
          {{- if .Values.postgresql.enabled }}
          value: {{ .Values.postgresql.postgresqlDatabase }}
          {{- else }}
          value: {{ .Values.externalDatabase.database | quote }}
          {{- end }}
        - name: AIRFLOW_DATABASE_USERNAME
          {{- if .Values.postgresql.enabled }}
          value: {{ .Values.postgresql.postgresqlUsername }}
          {{- else }}
          value: {{ .Values.externalDatabase.user | quote }}
          {{- end }}
        - name: AIRFLOW_DATABASE_PASSWORD
          valueFrom:
            secretKeyRef:
            {{- if .Values.postgresql.enabled }}
              name: {{ template "airflow.postgresql.fullname" . }}
              key: postgresql-password
            {{- else }}
              name: {{ printf "%s-%s" .Release.Name "externaldb" }}
              key: db-password
            {{- end }}
        - name: AIRFLOW_DATABASE_HOST
          {{- if .Values.postgresql.enabled }}
          value: {{ template "airflow.postgresql.fullname" . }}
          {{- else }}
          value: {{ .Values.externalDatabase.host | quote }}
          {{- end }}
        - name: AIRFLOW_DATABASE_PORT_NUMBER
          {{- if .Values.postgresql.enabled }}
          value: "5432"
          {{- else }}
          value: {{ .Values.externalDatabase.port | quote }}
          {{- end }}
        - name: REDIS_HOST
          {{- if .Values.redis.enabled }}
          value: {{ template "airflow.redis.fullname" . }}
          {{- else }}
          value: {{ .Values.externalRedis.host | quote }}
          {{- end }}
        - name: REDIS_PORT_NUMBER
          {{- if .Values.redis.enabled }}
          value: "6379"
          {{- else }}
          value: {{ .Values.externalRedis.port | quote }}
          {{- end }}
        - name: REDIS_PASSWORD
          valueFrom:
            secretKeyRef:
            {{- if .Values.redis.enabled }}
              name: {{ template "airflow.redis.secretName" . }}
              key: redis-password
            {{- else }}
              name: {{ printf "%s-%s" .Release.Name "externalredis" }}
              key: redis-password
            {{- end }}
        - name: AIRFLOW_EXECUTOR
          value: "CeleryExecutor"
        - name: AIRFLOW_USERNAME
          value: {{ .Values.airflow.auth.username }}
        - name: AIRFLOW_PASSWORD
          valueFrom:
            secretKeyRef:
              name: {{ if .Values.airflow.auth.existingSecret }}{{ .Values.airflow.auth.existingSecret }}{{ else }}{{ template "airflow.fullname" . }}{{ end }}
              key: airflow-password
        - name: AIRFLOW_FERNET_KEY
          valueFrom:
            secretKeyRef:
              name: {{ if .Values.airflow.auth.existingSecret }}{{ .Values.airflow.auth.existingSecret }}{{ else }}{{ template "airflow.fullname" . }}{{ end }}
              key: airflow-fernetKey
        - name: AIRFLOW_WEBSERVER_HOST
          value: {{ template "airflow.fullname" . }}
          {{- if .Values.airflow.baseUrl }}
        - name: AIRFLOW_BASE_URL
          value: {{ .Values.airflow.baseUrl }}
          {{- end }}
        - name: AIRFLOW_LOAD_EXAMPLES
          {{- if .Values.airflow.loadExamples }}
          value: "yes"
          {{- else }}
          value: "no"
          {{- end }}
        {{- if .Values.airflow.extraEnvVars }}
          {{ toYaml .Values.airflow.extraEnvVars | nindent 8 }}
        {{- end }}
        ports:
        - name: http
          containerPort: 8080
        {{- if .Values.livenessProbe.enabled }}
        livenessProbe:
          httpGet:
            path: /health
            port: http
          initialDelaySeconds: {{ .Values.livenessProbe.initialDelaySeconds }}
          periodSeconds: {{ .Values.livenessProbe.periodSeconds }}
          timeoutSeconds: {{ .Values.livenessProbe.timeoutSeconds }}
          successThreshold: {{ .Values.livenessProbe.successThreshold }}
          failureThreshold: {{ .Values.livenessProbe.failureThreshold }}
        {{- end }}
        {{- if .Values.readinessProbe.enabled }}
        readinessProbe:
          httpGet:
            path: /health
            port: http
          initialDelaySeconds: {{ .Values.readinessProbe.initialDelaySeconds }}
          periodSeconds: {{ .Values.readinessProbe.periodSeconds }}
          timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
          successThreshold: {{ .Values.readinessProbe.successThreshold }}
          failureThreshold: {{ .Values.readinessProbe.failureThreshold }}
        {{- end }}
        volumeMounts:
        {{- if .Files.Glob "files/dags/*.py" }}
        - name: local-dag-files
          mountPath: /opt/bitnami/airflow/dags/local
        {{- end }}
        {{- if .Values.airflow.dagsConfigMap }}
        - name: external-dag-files
          mountPath: /opt/bitnami/airflow/dags/external
        {{- end }}
        {{- if .Values.airflow.cloneDagFilesFromGit.enabled }}
        - name: git-cloned-dag-files
          mountPath: /opt/bitnami/airflow/dags/git
        {{- end }}
        {{- if .Values.airflow.configurationConfigMap }}
        - name: custom-configuration-file
          mountPath: /opt/bitnami/airflow/airflow.cfg
          subPath: airflow.cfg
        {{- end }}
        resources:
{{ toYaml .Values.resources | indent 10 }}
      volumes:
      {{- if .Files.Glob "files/dags/*.py" }}
      - name: local-dag-files
        configMap:
          name: {{ template "airflow.fullname" . }}-dag-files
      {{- end }}
      {{- if .Values.airflow.dagsConfigMap }}
      - name: external-dag-files
        configMap:
          name: {{ .Values.airflow.dagsConfigMap }}
      {{- end }}
      {{- if .Values.airflow.cloneDagFilesFromGit.enabled }}
      - name: git-cloned-dag-files
        emptyDir: {}
      {{- end }}
      {{- if .Values.airflow.configurationConfigMap }}
      - name: custom-configuration-file
        configMap:
          name: {{ .Values.airflow.configurationConfigMap }}
      {{- end }}