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_helpers.yaml
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_helpers.yaml
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{{/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
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.
*/}}
{{/*
Create a default fully qualified app name.
We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
If release name contains chart name it will be used as a full name.
*/}}
{{- define "airflow.fullname" -}}
{{- if not .Values.useStandardNaming }}
{{- .Release.Name }}
{{- else if .Values.fullnameOverride }}
{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
{{- else }}
{{- $name := default .Chart.Name .Values.nameOverride }}
{{- if contains $name .Release.Name }}
{{- .Release.Name | trunc 63 | trimSuffix "-" }}
{{- else }}
{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
{{- end }}
{{- end }}
{{- end }}
{{- define "airflow.serviceAccountName" -}}
{{ if .Values.fullnameOverride }}
{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
{{- else }}
{{- $name := default .Chart.Name .Values.nameOverride }}
{{- if contains $name .Release.Name }}
{{- .Release.Name | trunc 63 | trimSuffix "-" }}
{{- else }}
{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
{{- end }}
{{- end }}
{{- end }}
{{/* Standard Airflow environment variables */}}
{{- define "standard_airflow_environment" }}
# Hard Coded Airflow Envs
{{- if .Values.enableBuiltInSecretEnvVars.AIRFLOW__CORE__FERNET_KEY }}
- name: AIRFLOW__CORE__FERNET_KEY
valueFrom:
secretKeyRef:
name: {{ template "fernet_key_secret" . }}
key: fernet-key
{{- end }}
- name: AIRFLOW_HOME
value: {{ .Values.airflowHome }}
# For Airflow <2.3, backward compatibility; moved to [database] in 2.3
{{- if .Values.enableBuiltInSecretEnvVars.AIRFLOW__CORE__SQL_ALCHEMY_CONN }}
- name: AIRFLOW__CORE__SQL_ALCHEMY_CONN
valueFrom:
secretKeyRef:
name: {{ template "airflow_metadata_secret" . }}
key: connection
{{- end }}
{{- if .Values.enableBuiltInSecretEnvVars.AIRFLOW__DATABASE__SQL_ALCHEMY_CONN }}
- name: AIRFLOW__DATABASE__SQL_ALCHEMY_CONN
valueFrom:
secretKeyRef:
name: {{ template "airflow_metadata_secret" . }}
key: connection
{{- end }}
{{- if .Values.enableBuiltInSecretEnvVars.AIRFLOW_CONN_AIRFLOW_DB }}
- name: AIRFLOW_CONN_AIRFLOW_DB
valueFrom:
secretKeyRef:
name: {{ template "airflow_metadata_secret" . }}
key: connection
{{- end }}
{{- if and .Values.workers.keda.enabled (or (eq .Values.data.metadataConnection.protocol "mysql") (and .Values.pgbouncer.enabled (not .Values.workers.keda.usePgbouncer))) }}
- name: KEDA_DB_CONN
valueFrom:
secretKeyRef:
name: {{ template "airflow_metadata_secret" . }}
key: kedaConnection
{{- end }}
{{- if .Values.enableBuiltInSecretEnvVars.AIRFLOW__WEBSERVER__SECRET_KEY }}
- name: AIRFLOW__WEBSERVER__SECRET_KEY
valueFrom:
secretKeyRef:
name: {{ template "webserver_secret_key_secret" . }}
key: webserver-secret-key
{{- end }}
{{- if or (eq .Values.executor "CeleryExecutor") (eq .Values.executor "CeleryKubernetesExecutor") }}
{{- if or (semverCompare "<2.4.0" .Values.airflowVersion) (.Values.data.resultBackendSecretName) (.Values.data.resultBackendConnection) }}
{{- if .Values.enableBuiltInSecretEnvVars.AIRFLOW__CELERY__CELERY_RESULT_BACKEND }}
# (Airflow 1.10.* variant)
- name: AIRFLOW__CELERY__CELERY_RESULT_BACKEND
valueFrom:
secretKeyRef:
name: {{ template "airflow_result_backend_secret" . }}
key: connection
{{- end }}
{{- if .Values.enableBuiltInSecretEnvVars.AIRFLOW__CELERY__RESULT_BACKEND }}
- name: AIRFLOW__CELERY__RESULT_BACKEND
valueFrom:
secretKeyRef:
name: {{ template "airflow_result_backend_secret" . }}
key: connection
{{- end }}
{{- end }}
{{- if .Values.enableBuiltInSecretEnvVars.AIRFLOW__CELERY__BROKER_URL }}
- name: AIRFLOW__CELERY__BROKER_URL
valueFrom:
secretKeyRef:
name: {{ default (printf "%s-broker-url" .Release.Name) .Values.data.brokerUrlSecretName }}
key: connection
{{- end }}
{{- end }}
{{- if .Values.elasticsearch.enabled }}
# The elasticsearch variables were updated to the shorter names in v1.10.4
{{- if .Values.enableBuiltInSecretEnvVars.AIRFLOW__ELASTICSEARCH__HOST }}
- name: AIRFLOW__ELASTICSEARCH__HOST
valueFrom:
secretKeyRef:
name: {{ template "elasticsearch_secret" . }}
key: connection
{{- end }}
{{- if .Values.enableBuiltInSecretEnvVars.AIRFLOW__ELASTICSEARCH__ELASTICSEARCH_HOST }}
# This is the older format for these variable names, kept here for backward compatibility
- name: AIRFLOW__ELASTICSEARCH__ELASTICSEARCH_HOST
valueFrom:
secretKeyRef:
name: {{ template "elasticsearch_secret" . }}
key: connection
{{- end }}
{{- end }}
{{- end }}
{{/* User defined Airflow environment variables */}}
{{- define "custom_airflow_environment" }}
# Dynamically created environment variables
{{- range $i, $config := .Values.env }}
- name: {{ $config.name }}
value: {{ $config.value | quote }}
{{- if or (eq $.Values.executor "KubernetesExecutor") (eq $.Values.executor "LocalKubernetesExecutor") (eq $.Values.executor "CeleryKubernetesExecutor") }}
- name: AIRFLOW__KUBERNETES_ENVIRONMENT_VARIABLES__{{ $config.name }}
value: {{ $config.value | quote }}
{{- end }}
{{- end }}
# Dynamically created secret envs
{{- range $i, $config := .Values.secret }}
- name: {{ $config.envName }}
valueFrom:
secretKeyRef:
name: {{ $config.secretName }}
key: {{ default "value" $config.secretKey }}
{{- end }}
{{- if or (eq $.Values.executor "LocalKubernetesExecutor") (eq $.Values.executor "KubernetesExecutor") (eq $.Values.executor "CeleryKubernetesExecutor") }}
{{- range $i, $config := .Values.secret }}
- name: AIRFLOW__KUBERNETES_SECRETS__{{ $config.envName }}
value: {{ printf "%s=%s" $config.secretName $config.secretKey }}
{{- end }}
{{ end }}
# Extra env
{{- $Global := . }}
{{- with .Values.extraEnv }}
{{- tpl . $Global | nindent 2 }}
{{- end }}
{{- end }}
{{/* User defined Airflow environment from */}}
{{- define "custom_airflow_environment_from" }}
{{- $Global := . }}
{{- with .Values.extraEnvFrom }}
{{- tpl . $Global | nindent 2 }}
{{- end }}
{{- end }}
{{/* Git ssh key volume */}}
{{- define "git_sync_ssh_key_volume" }}
- name: git-sync-ssh-key
secret:
secretName: {{ .Values.dags.gitSync.sshKeySecret }}
defaultMode: 288
{{- end }}
{{/* Git sync container */}}
{{- define "git_sync_container" }}
- name: {{ .Values.dags.gitSync.containerName }}{{ if .is_init }}-init{{ end }}
image: {{ template "git_sync_image" . }}
imagePullPolicy: {{ .Values.images.gitSync.pullPolicy }}
securityContext: {{- include "localContainerSecurityContext" .Values.dags.gitSync | nindent 4 }}
env:
{{- if .Values.dags.gitSync.sshKeySecret }}
- name: GIT_SSH_KEY_FILE
value: "/etc/git-secret/ssh"
- name: GITSYNC_SSH_KEY_FILE
value: "/etc/git-secret/ssh"
- name: GIT_SYNC_SSH
value: "true"
- name: GITSYNC_SSH
value: "true"
{{- if .Values.dags.gitSync.knownHosts }}
- name: GIT_KNOWN_HOSTS
value: "true"
- name: GITSYNC_SSH_KNOWN_HOSTS
value: "true"
- name: GIT_SSH_KNOWN_HOSTS_FILE
value: "/etc/git-secret/known_hosts"
- name: GITSYNC_SSH_KNOWN_HOSTS_FILE
value: "/etc/git-secret/known_hosts"
{{- else }}
- name: GIT_KNOWN_HOSTS
value: "false"
- name: GITSYNC_SSH_KNOWN_HOSTS
value: "false"
{{- end }}
{{ else if .Values.dags.gitSync.credentialsSecret }}
- name: GIT_SYNC_USERNAME
valueFrom:
secretKeyRef:
name: {{ .Values.dags.gitSync.credentialsSecret | quote }}
key: GIT_SYNC_USERNAME
- name: GITSYNC_USERNAME
valueFrom:
secretKeyRef:
name: {{ .Values.dags.gitSync.credentialsSecret | quote }}
key: GITSYNC_USERNAME
- name: GIT_SYNC_PASSWORD
valueFrom:
secretKeyRef:
name: {{ .Values.dags.gitSync.credentialsSecret | quote }}
key: GIT_SYNC_PASSWORD
- name: GITSYNC_PASSWORD
valueFrom:
secretKeyRef:
name: {{ .Values.dags.gitSync.credentialsSecret | quote }}
key: GITSYNC_PASSWORD
{{- end }}
- name: GIT_SYNC_REV
value: {{ .Values.dags.gitSync.rev | quote }}
- name: GITSYNC_REF
value: {{ .Values.dags.gitSync.ref | quote }}
- name: GIT_SYNC_BRANCH
value: {{ .Values.dags.gitSync.branch | quote }}
- name: GIT_SYNC_REPO
value: {{ .Values.dags.gitSync.repo | quote }}
- name: GITSYNC_REPO
value: {{ .Values.dags.gitSync.repo | quote }}
- name: GIT_SYNC_DEPTH
value: {{ .Values.dags.gitSync.depth | quote }}
- name: GITSYNC_DEPTH
value: {{ .Values.dags.gitSync.depth | quote }}
- name: GIT_SYNC_ROOT
value: "/git"
- name: GITSYNC_ROOT
value: "/git"
- name: GIT_SYNC_DEST
value: "repo"
- name: GITSYNC_LINK
value: "repo"
- name: GIT_SYNC_ADD_USER
value: "true"
- name: GITSYNC_ADD_USER
value: "true"
{{- if .Values.dags.gitSync.wait }}
- name: GIT_SYNC_WAIT
value: {{ .Values.dags.gitSync.wait | quote }}
{{- end }}
- name: GITSYNC_PERIOD
value: {{ .Values.dags.gitSync.period | quote }}
- name: GIT_SYNC_MAX_SYNC_FAILURES
value: {{ .Values.dags.gitSync.maxFailures | quote }}
- name: GITSYNC_MAX_FAILURES
value: {{ .Values.dags.gitSync.maxFailures | quote }}
{{- if .is_init }}
- name: GIT_SYNC_ONE_TIME
value: "true"
- name: GITSYNC_ONE_TIME
value: "true"
{{- end }}
{{- with .Values.dags.gitSync.env }}
{{- toYaml . | nindent 4 }}
{{- end }}
resources: {{ toYaml .Values.dags.gitSync.resources | nindent 4 }}
volumeMounts:
- name: dags
mountPath: /git
{{- if .Values.dags.gitSync.sshKeySecret }}
- name: git-sync-ssh-key
mountPath: /etc/git-secret/ssh
readOnly: true
subPath: gitSshKey
{{- if .Values.dags.gitSync.knownHosts }}
- name: config
mountPath: /etc/git-secret/known_hosts
readOnly: true
subPath: known_hosts
{{- end }}
{{- end }}
{{- if .Values.dags.gitSync.extraVolumeMounts }}
{{- tpl (toYaml .Values.dags.gitSync.extraVolumeMounts) . | nindent 2 }}
{{- end }}
{{- end }}
{{/* This helper will change when customers deploy a new image */}}
{{- define "airflow_image" -}}
{{- $repository := .Values.images.airflow.repository | default .Values.defaultAirflowRepository -}}
{{- $tag := .Values.images.airflow.tag | default .Values.defaultAirflowTag -}}
{{- $digest := .Values.images.airflow.digest | default .Values.defaultAirflowDigest -}}
{{- if $digest }}
{{- printf "%s@%s" $repository $digest -}}
{{- else }}
{{- printf "%s:%s" $repository $tag -}}
{{- end }}
{{- end }}
{{- define "pod_template_image" -}}
{{- printf "%s:%s" (.Values.images.pod_template.repository | default .Values.defaultAirflowRepository) (.Values.images.pod_template.tag | default .Values.defaultAirflowTag) }}
{{- end }}
{{/* This helper is used for airflow containers that do not need the users code */}}
{{ define "default_airflow_image" -}}
{{- $repository := .Values.defaultAirflowRepository -}}
{{- $tag := .Values.defaultAirflowTag -}}
{{- $digest := .Values.defaultAirflowDigest -}}
{{- if $digest }}
{{- printf "%s@%s" $repository $digest -}}
{{- else }}
{{- printf "%s:%s" $repository $tag -}}
{{- end }}
{{- end }}
{{ define "airflow_image_for_migrations" -}}
{{- if .Values.images.useDefaultImageForMigration }}
{{- template "default_airflow_image" . }}
{{- else }}
{{- template "airflow_image" . }}
{{- end }}
{{- end }}
{{- define "flower_image" -}}
{{- printf "%s:%s" (.Values.images.flower.repository | default .Values.defaultAirflowRepository) (.Values.images.flower.tag | default .Values.defaultAirflowTag) }}
{{- end }}
{{- define "statsd_image" -}}
{{- printf "%s:%s" .Values.images.statsd.repository .Values.images.statsd.tag }}
{{- end }}
{{- define "redis_image" -}}
{{- printf "%s:%s" .Values.images.redis.repository .Values.images.redis.tag }}
{{- end }}
{{- define "pgbouncer_image" -}}
{{- printf "%s:%s" .Values.images.pgbouncer.repository .Values.images.pgbouncer.tag }}
{{- end }}
{{- define "pgbouncer_exporter_image" -}}
{{- printf "%s:%s" .Values.images.pgbouncerExporter.repository .Values.images.pgbouncerExporter.tag }}
{{- end }}
{{- define "git_sync_image" -}}
{{- printf "%s:%s" .Values.images.gitSync.repository .Values.images.gitSync.tag }}
{{- end }}
{{- define "fernet_key_secret" -}}
{{- default (printf "%s-fernet-key" .Release.Name) .Values.fernetKeySecretName }}
{{- end }}
{{- define "webserver_secret_key_secret" -}}
{{- default (printf "%s-webserver-secret-key" (include "airflow.fullname" .)) .Values.webserverSecretKeySecretName }}
{{- end }}
{{- define "redis_password_secret" -}}
{{- default (printf "%s-redis-password" .Release.Name) .Values.redis.passwordSecretName }}
{{- end }}
{{- define "airflow_metadata_secret" -}}
{{- default (printf "%s-metadata" (include "airflow.fullname" .)) .Values.data.metadataSecretName }}
{{- end }}
{{- define "airflow_result_backend_secret" -}}
{{- default (printf "%s-result-backend" (include "airflow.fullname" .)) .Values.data.resultBackendSecretName }}
{{- end }}
{{- define "airflow_pod_template_file" -}}
{{- printf "%s/pod_templates" .Values.airflowHome }}
{{- end }}
{{- define "pgbouncer_config_secret" -}}
{{- default (printf "%s-pgbouncer-config" (include "airflow.fullname" .)) .Values.pgbouncer.configSecretName }}
{{- end }}
{{- define "pgbouncer_certificates_secret" -}}
{{- printf "%s-pgbouncer-certificates" (include "airflow.fullname" .) }}
{{- end }}
{{- define "pgbouncer_stats_secret" -}}
{{- default (printf "%s-pgbouncer-stats" (include "airflow.fullname" .)) .Values.pgbouncer.metricsExporterSidecar.statsSecretName }}
{{- end }}
{{- define "registry_secret" -}}
{{- default (printf "%s-registry" (include "airflow.fullname" .)) .Values.registry.secretName }}
{{- end }}
{{- define "elasticsearch_secret" -}}
{{- default (printf "%s-elasticsearch" (include "airflow.fullname" .)) .Values.elasticsearch.secretName }}
{{- end }}
{{- define "flower_secret" -}}
{{- default (printf "%s-flower" (include "airflow.fullname" .)) .Values.flower.secretName }}
{{- end }}
{{- define "kerberos_keytab_secret" -}}
{{- printf "%s-kerberos-keytab" (include "airflow.fullname" .) }}
{{- end }}
{{- define "kerberos_ccache_path" -}}
{{- printf "%s/%s" .Values.kerberos.ccacheMountPath .Values.kerberos.ccacheFileName }}
{{- end }}
{{- define "celery_executor_namespace" -}}
{{- if semverCompare ">=2.7.0" .Values.airflowVersion }}
{{- print "airflow.providers.celery.executors.celery_executor.app" -}}
{{- else }}
{{- print "airflow.executors.celery_executor.app" -}}
{{- end }}
{{- end }}
{{- define "pgbouncer_config" -}}
{{ $resultBackendConnection := .Values.data.resultBackendConnection | default .Values.data.metadataConnection }}
{{ $pgMetadataHost := .Values.data.metadataConnection.host | default (printf "%s-%s.%s" .Release.Name "postgresql" .Release.Namespace) }}
{{ $pgResultBackendHost := $resultBackendConnection.host | default (printf "%s-%s.%s" .Release.Name "postgresql" .Release.Namespace) }}
[databases]
{{ .Release.Name }}-metadata = host={{ $pgMetadataHost }} dbname={{ .Values.data.metadataConnection.db }} port={{ .Values.data.metadataConnection.port }} pool_size={{ .Values.pgbouncer.metadataPoolSize }} {{ .Values.pgbouncer.extraIniMetadata | default "" }}
{{ .Release.Name }}-result-backend = host={{ $pgResultBackendHost }} dbname={{ $resultBackendConnection.db }} port={{ $resultBackendConnection.port }} pool_size={{ .Values.pgbouncer.resultBackendPoolSize }} {{ .Values.pgbouncer.extraIniResultBackend | default "" }}
[pgbouncer]
pool_mode = transaction
listen_port = {{ .Values.ports.pgbouncer }}
listen_addr = *
auth_type = {{ .Values.pgbouncer.auth_type }}
auth_file = {{ .Values.pgbouncer.auth_file }}
stats_users = {{ .Values.data.metadataConnection.user }}
ignore_startup_parameters = extra_float_digits
max_client_conn = {{ .Values.pgbouncer.maxClientConn }}
verbose = {{ .Values.pgbouncer.verbose }}
log_disconnections = {{ .Values.pgbouncer.logDisconnections }}
log_connections = {{ .Values.pgbouncer.logConnections }}
server_tls_sslmode = {{ .Values.pgbouncer.sslmode }}
server_tls_ciphers = {{ .Values.pgbouncer.ciphers }}
{{- if .Values.pgbouncer.ssl.ca }}
server_tls_ca_file = /etc/pgbouncer/root.crt
{{- end }}
{{- if .Values.pgbouncer.ssl.cert }}
server_tls_cert_file = /etc/pgbouncer/server.crt
{{- end }}
{{- if .Values.pgbouncer.ssl.key }}
server_tls_key_file = /etc/pgbouncer/server.key
{{- end }}
{{- if .Values.pgbouncer.extraIni }}
{{ .Values.pgbouncer.extraIni }}
{{- end }}
{{- end }}
{{ define "pgbouncer_users" }}
{{- $resultBackendConnection := .Values.data.resultBackendConnection | default .Values.data.metadataConnection }}
{{ .Values.data.metadataConnection.user | quote }} {{ .Values.data.metadataConnection.pass | quote }}
{{ $resultBackendConnection.user | quote }} {{ $resultBackendConnection.pass | quote }}
{{- end }}
{{- define "airflow_logs" -}}
{{- printf "%s/logs" .Values.airflowHome | quote }}
{{- end }}
{{- define "airflow_logs_no_quote" -}}
{{- printf "%s/logs" .Values.airflowHome }}
{{- end }}
{{- define "airflow_logs_volume_claim" -}}
{{- if .Values.logs.persistence.existingClaim }}
{{- .Values.logs.persistence.existingClaim }}
{{- else }}
{{- printf "%s-logs" .Release.Name }}
{{- end }}
{{- end }}
{{- define "airflow_dags" -}}
{{- if .Values.dags.mountPath }}
{{- if .Values.dags.gitSync.enabled }}
{{- printf "%s/repo/%s" .Values.dags.mountPath .Values.dags.gitSync.subPath }}
{{- else }}
{{- printf "%s" .Values.dags.mountPath }}
{{- end }}
{{- else }}
{{- if .Values.dags.gitSync.enabled }}
{{- printf "%s/dags/repo/%s" .Values.airflowHome .Values.dags.gitSync.subPath }}
{{- else }}
{{- printf "%s/dags" .Values.airflowHome }}
{{- end }}
{{- end }}
{{- end }}
{{- define "airflow_dags_volume_claim" -}}
{{- if .Values.dags.persistence.existingClaim }}
{{- .Values.dags.persistence.existingClaim }}
{{- else }}
{{- printf "%s-dags" .Release.Name }}
{{- end }}
{{- end }}
{{- define "airflow_dags_mount" -}}
- name: dags
{{- if .Values.dags.mountPath }}
mountPath: {{ .Values.dags.mountPath }}
{{- else }}
mountPath: {{ printf "%s/dags" .Values.airflowHome }}
{{- end }}
{{- if .Values.dags.persistence.subPath }}
subPath: {{ .Values.dags.persistence.subPath }}
{{- end }}
readOnly: {{ .Values.dags.gitSync.enabled | ternary "True" "False" }}
{{- end }}
{{- define "airflow_config_path" -}}
{{- printf "%s/airflow.cfg" .Values.airflowHome | quote }}
{{- end }}
{{- define "airflow_webserver_config_path" -}}
{{- printf "%s/webserver_config.py" .Values.airflowHome | quote }}
{{- end }}
{{- define "airflow_webserver_config_configmap_name" -}}
{{- default (printf "%s-webserver-config" .Release.Name) .Values.webserver.webserverConfigConfigMapName }}
{{- end }}
{{- define "airflow_webserver_config_mount" -}}
- name: webserver-config
mountPath: {{ template "airflow_webserver_config_path" . }}
subPath: webserver_config.py
readOnly: True
{{- end }}
{{- define "airflow_local_setting_path" -}}
{{- printf "%s/config/airflow_local_settings.py" .Values.airflowHome | quote }}
{{- end }}
{{- define "airflow_config" -}}
{{- printf "%s-config" (include "airflow.fullname" .) }}
{{- end }}
{{- define "airflow_config_mount" -}}
- name: config
mountPath: {{ template "airflow_config_path" . }}
subPath: airflow.cfg
readOnly: true
{{- if .Values.airflowLocalSettings }}
- name: config
mountPath: {{ template "airflow_local_setting_path" . }}
subPath: airflow_local_settings.py
readOnly: true
{{- end }}
{{- end }}
{{/* Create the name of the webserver service account to use */}}
{{- define "webserver.serviceAccountName" -}}
{{- if .Values.webserver.serviceAccount.create }}
{{- default (printf "%s-webserver" (include "airflow.serviceAccountName" .)) .Values.webserver.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.webserver.serviceAccount.name }}
{{- end }}
{{- end }}
{{/* Create the name of the redis service account to use */}}
{{- define "redis.serviceAccountName" -}}
{{- if .Values.redis.serviceAccount.create }}
{{- default (printf "%s-redis" (include "airflow.serviceAccountName" .)) .Values.redis.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.redis.serviceAccount.name }}
{{- end }}
{{- end }}
{{/* Create the name of the flower service account to use */}}
{{- define "flower.serviceAccountName" -}}
{{- if .Values.flower.serviceAccount.create }}
{{- default (printf "%s-flower" (include "airflow.serviceAccountName" .)) .Values.flower.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.flower.serviceAccount.name }}
{{- end }}
{{- end }}
{{/* Create the name of the scheduler service account to use */}}
{{- define "scheduler.serviceAccountName" -}}
{{- if .Values.scheduler.serviceAccount.create }}
{{- default (printf "%s-scheduler" (include "airflow.serviceAccountName" .)) .Values.scheduler.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.scheduler.serviceAccount.name }}
{{- end }}
{{- end }}
{{/* Create the name of the StatsD service account to use */}}
{{- define "statsd.serviceAccountName" -}}
{{- if .Values.statsd.serviceAccount.create }}
{{- default (printf "%s-statsd" (include "airflow.serviceAccountName" .)) .Values.statsd.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.statsd.serviceAccount.name }}
{{- end }}
{{- end }}
{{/* Create the name of the create user job service account to use */}}
{{- define "createUserJob.serviceAccountName" -}}
{{- if .Values.createUserJob.serviceAccount.create }}
{{- default (printf "%s-create-user-job" (include "airflow.serviceAccountName" .)) .Values.createUserJob.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.createUserJob.serviceAccount.name }}
{{- end }}
{{- end }}
{{/* Create the name of the migrate database job service account to use */}}
{{- define "migrateDatabaseJob.serviceAccountName" -}}
{{- if .Values.migrateDatabaseJob.serviceAccount.create }}
{{- default (printf "%s-migrate-database-job" (include "airflow.serviceAccountName" .)) .Values.migrateDatabaseJob.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.migrateDatabaseJob.serviceAccount.name }}
{{- end }}
{{- end }}
{{/* Create the name of the worker service account to use */}}
{{- define "worker.serviceAccountName" -}}
{{- if .Values.workers.serviceAccount.create }}
{{- default (printf "%s-worker" (include "airflow.serviceAccountName" .)) .Values.workers.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.workers.serviceAccount.name }}
{{- end }}
{{- end }}
{{/* Create the name of the triggerer service account to use */}}
{{- define "triggerer.serviceAccountName" -}}
{{- if .Values.triggerer.serviceAccount.create }}
{{- default (printf "%s-triggerer" (include "airflow.serviceAccountName" .)) .Values.triggerer.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.triggerer.serviceAccount.name }}
{{- end }}
{{- end }}
{{/* Create the name of the dag processor service account to use */}}
{{- define "dagProcessor.serviceAccountName" -}}
{{- if .Values.dagProcessor.serviceAccount.create }}
{{- default (printf "%s-dag-processor" (include "airflow.serviceAccountName" .)) .Values.dagProcessor.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.dagProcessor.serviceAccount.name }}
{{- end }}
{{- end }}
{{/* Create the name of the pgbouncer service account to use */}}
{{- define "pgbouncer.serviceAccountName" -}}
{{- if .Values.pgbouncer.serviceAccount.create }}
{{- default (printf "%s-pgbouncer" (include "airflow.serviceAccountName" .)) .Values.pgbouncer.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.pgbouncer.serviceAccount.name }}
{{- end }}
{{- end }}
{{/* Create the name of the cleanup service account to use */}}
{{- define "cleanup.serviceAccountName" -}}
{{- if .Values.cleanup.serviceAccount.create }}
{{- default (printf "%s-cleanup" (include "airflow.serviceAccountName" .)) .Values.cleanup.serviceAccount.name }}
{{- else }}
{{- default "default" .Values.cleanup.serviceAccount.name }}
{{- end }}
{{- end }}
{{- define "wait-for-migrations-command" -}}
{{- if semverCompare ">=2.0.0" .Values.airflowVersion }}
- airflow
- db
- check-migrations
- --migration-wait-timeout={{ .Values.images.migrationsWaitTimeout }}
{{- else }}
- python
- -c
- |
import airflow
import logging
import os
import time
from alembic.config import Config
from alembic.runtime.migration import MigrationContext
from alembic.script import ScriptDirectory
from airflow import settings
package_dir = os.path.abspath(os.path.dirname(airflow.__file__))
directory = os.path.join(package_dir, 'migrations')
config = Config(os.path.join(package_dir, 'alembic.ini'))
config.set_main_option('script_location', directory)
config.set_main_option('sqlalchemy.url', settings.SQL_ALCHEMY_CONN.replace('%', '%%'))
script_ = ScriptDirectory.from_config(config)
timeout=60
with settings.engine.connect() as connection:
context = MigrationContext.configure(connection)
ticker = 0
while True:
source_heads = set(script_.get_heads())
db_heads = set(context.get_current_heads())
if source_heads == db_heads:
break
if ticker >= timeout:
raise TimeoutError("There are still unapplied migrations after {} seconds.".format(ticker))
ticker += 1
time.sleep(1)
logging.info('Waiting for migrations... %s second(s)', ticker)
{{- end }}
{{- end }}
{{- define "scheduler_liveness_check_command" }}
{{- if semverCompare ">=2.5.0" .Values.airflowVersion }}
- sh
- -c
- |
CONNECTION_CHECK_MAX_COUNT=0 AIRFLOW__LOGGING__LOGGING_LEVEL=ERROR exec /entrypoint \
airflow jobs check --job-type SchedulerJob --local
{{- else if semverCompare ">=2.1.0" .Values.airflowVersion }}
- sh
- -c
- |
CONNECTION_CHECK_MAX_COUNT=0 AIRFLOW__LOGGING__LOGGING_LEVEL=ERROR exec /entrypoint \
airflow jobs check --job-type SchedulerJob --hostname $(hostname)
{{- else }}
- sh
- -c
- |
CONNECTION_CHECK_MAX_COUNT=0 exec /entrypoint python -Wignore -c "
import os
os.environ['AIRFLOW__CORE__LOGGING_LEVEL'] = 'ERROR'
os.environ['AIRFLOW__LOGGING__LOGGING_LEVEL'] = 'ERROR'
from airflow.jobs.scheduler_job import SchedulerJob
from airflow.utils.db import create_session
from airflow.utils.net import get_hostname
import sys
with create_session() as session:
job = session.query(SchedulerJob).filter_by(hostname=get_hostname()).order_by(
SchedulerJob.latest_heartbeat.desc()).limit(1).first()
sys.exit(0 if job.is_alive() else 1)"
{{- end }}
{{- end }}
{{- define "scheduler_startup_check_command" }}
{{- if semverCompare ">=2.5.0" .Values.airflowVersion }}
- sh
- -c
- |
CONNECTION_CHECK_MAX_COUNT=0 AIRFLOW__LOGGING__LOGGING_LEVEL=ERROR exec /entrypoint \
airflow jobs check --job-type SchedulerJob --local
{{- else if semverCompare ">=2.1.0" .Values.airflowVersion }}
- sh
- -c
- |
CONNECTION_CHECK_MAX_COUNT=0 AIRFLOW__LOGGING__LOGGING_LEVEL=ERROR exec /entrypoint \
airflow jobs check --job-type SchedulerJob --hostname $(hostname)
{{- else }}
- sh
- -c
- |
CONNECTION_CHECK_MAX_COUNT=0 exec /entrypoint python -Wignore -c "
import os
os.environ['AIRFLOW__CORE__LOGGING_LEVEL'] = 'ERROR'
os.environ['AIRFLOW__LOGGING__LOGGING_LEVEL'] = 'ERROR'
from airflow.jobs.scheduler_job import SchedulerJob
from airflow.utils.db import create_session
from airflow.utils.net import get_hostname
import sys
with create_session() as session:
job = session.query(SchedulerJob).filter_by(hostname=get_hostname()).order_by(
SchedulerJob.latest_heartbeat.desc()).limit(1).first()
sys.exit(0 if job.is_alive() else 1)"
{{- end }}
{{- end }}
{{- define "triggerer_liveness_check_command" }}
{{- if semverCompare ">=2.5.0" .Values.airflowVersion }}
- sh
- -c
- |
CONNECTION_CHECK_MAX_COUNT=0 AIRFLOW__LOGGING__LOGGING_LEVEL=ERROR exec /entrypoint \
airflow jobs check --job-type TriggererJob --local
{{- else }}
- sh
- -c
- |
CONNECTION_CHECK_MAX_COUNT=0 AIRFLOW__LOGGING__LOGGING_LEVEL=ERROR exec /entrypoint \
airflow jobs check --job-type TriggererJob --hostname $(hostname)
{{- end }}
{{- end }}
{{- define "dag_processor_liveness_check_command" }}
{{- $commandArgs := (list) -}}
{{- if semverCompare ">=2.5.0" .Values.airflowVersion }}
{{- $commandArgs = append $commandArgs "--local" -}}
{{- if semverCompare ">=2.5.2" .Values.airflowVersion }}
{{- $commandArgs = concat $commandArgs (list "--job-type" "DagProcessorJob") -}}
{{- end }}
{{- else }}
{{- $commandArgs = concat $commandArgs (list "--hostname" "$(hostname)") -}}
{{- end }}
- sh
- -c
- |
CONNECTION_CHECK_MAX_COUNT=0 AIRFLOW__LOGGING__LOGGING_LEVEL=ERROR exec /entrypoint \
airflow jobs check {{ join " " $commandArgs }}
{{- end }}
{{- define "registry_docker_config" }}
{{- $host := .Values.registry.connection.host }}
{{- $email := .Values.registry.connection.email }}
{{- $user := .Values.registry.connection.user }}
{{- $pass := .Values.registry.connection.pass }}
{{- $config := dict "auths" }}
{{- $auth := dict }}
{{- $data := dict }}
{{- $_ := set $data "username" $user }}
{{- $_ := set $data "password" $pass }}
{{- $_ := set $data "email" $email }}
{{- $_ := set $data "auth" (printf "%v:%v" $user $pass | b64enc) }}
{{- $_ := set $auth $host $data }}
{{- $_ := set $config "auths" $auth }}
{{ $config | toJson | print }}
{{- end }}
{{/*
Set the default value for pod securityContext
If no value is passed for securityContexts.pod or <node>.securityContexts.pod or legacy securityContext and <node>.securityContext, defaults to global uid and gid.
+-----------------------------+ +------------------------+ +----------------------+ +-----------------+ +-------------------------+
| <node>.securityContexts.pod | -> | <node>.securityContext | -> | securityContexts.pod | -> | securityContext | -> | Values.uid + Values.gid |
+-----------------------------+ +------------------------+ +----------------------+ +-----------------+ +-------------------------+
Values are not accumulated meaning that if runAsUser is set to 10 in <node>.securityContexts.pod,
any extra values set to securityContext or uid+gid will be ignored.
The template can be called like so:
include "airflowPodSecurityContext" (list . .Values.webserver)
Where `.` is the global variables scope and `.Values.webserver` the local variables scope for the webserver template.
*/}}
{{- define "airflowPodSecurityContext" -}}
{{- $ := index . 0 -}}
{{- with index . 1 }}
{{- if .securityContexts.pod -}}
{{ toYaml .securityContexts.pod | print }}
{{- else if .securityContext -}}
{{ toYaml .securityContext | print }}
{{- else if $.Values.securityContexts.pod -}}
{{ toYaml $.Values.securityContexts.pod | print }}
{{- else if $.Values.securityContext -}}
{{ toYaml $.Values.securityContext | print }}
{{- else -}}
runAsUser: {{ $.Values.uid }}
fsGroup: {{ $.Values.gid }}
{{- end }}
{{- end }}
{{- end }}
{{/*
Set the default value for pod securityContext
If no value is passed for <node>.securityContexts.pod or <node>.securityContext, defaults to UID in the local node.
+-----------------------------+ +------------------------+ +-------------+
| <node>.securityContexts.pod | -> | <node>.securityContext | -> | <node>.uid |
+-----------------------------+ +------------------------+ +-------------+
The template can be called like so:
include "localPodSecurityContext" (list . .Values.schedule)
It is important to pass the local variables scope to this template as it is used to determine the local node value for uid.
*/}}
{{- define "localPodSecurityContext" -}}
{{- if .securityContexts.pod -}}
{{ toYaml .securityContexts.pod | print }}
{{- else if .securityContext -}}
{{ toYaml .securityContext | print }}
{{- else -}}
runAsUser: {{ .uid }}
{{- end -}}
{{- end -}}
{{/*
Set the default value for container securityContext
If no value is passed for <node>.securityContexts.container or <node>.securityContext, defaults to UID in the local node.
+-----------------------------------+ +------------------------+ +-------------+
| <node>.securityContexts.container | -> | <node>.securityContext | -> | <node>.uid |
+-----------------------------------+ +------------------------+ +-------------+
The template can be called like so:
include "localContainerSecurityContext" .Values.statsd
It is important to pass the local variables scope to this template as it is used to determine the local node value for uid.
*/}}
{{- define "localContainerSecurityContext" -}}
{{- if .securityContexts.container -}}
{{ toYaml .securityContexts.container | print }}
{{- else if .securityContext -}}
{{ toYaml .securityContext | print }}
{{- else -}}
runAsUser: {{ .uid }}
{{- end -}}
{{- end -}}
{{/*
Set the default value for workers chown for persistent storage
If no value is passed for securityContexts.pod or <node>.securityContexts.pod or legacy securityContext and <node>.securityContext, defaults to global uid and gid.
The template looks for `runAsUser` and `fsGroup` specifically, any other parameter will be ignored.
+-----------------------------+ +----------------------------------------------------+ +------------------+ +-------------------------+
| <node>.securityContexts.pod | -> | securityContexts.pod | <node>.securityContexts.pod | -> | securityContexts | -> | Values.uid + Values.gid |
+-----------------------------+ +----------------------------------------------------+ +------------------+ +-------------------------+
Values are not accumulated meaning that if runAsUser is set to 10 in <node>.securityContexts.pod,
any extra values set to securityContexts or uid+gid will be ignored.
The template can be called like so:
include "airflowPodSecurityContextsIds" (list . .Values.webserver)
Where `.` is the global variables scope and `.Values.workers` the local variables scope for the workers template.
*/}}
{{- define "airflowPodSecurityContextsIds" -}}
{{- $ := index . 0 -}}
{{- with index . 1 }}
{{- if .securityContexts.pod -}}
{{ pluck "runAsUser" .securityContexts.pod | first | default $.Values.uid }}:{{ pluck "fsGroup" .securityContexts.pod | first | default $.Values.gid }}
{{- else if $.Values.securityContext -}}
{{ pluck "runAsUser" $.Values.securityContext | first | default $.Values.uid }}:{{ pluck "fsGroup" $.Values.securityContext | first | default $.Values.gid }}
{{- else if $.Values.securityContexts.pod -}}
{{ pluck "runAsUser" $.Values.securityContexts.pod | first | default $.Values.uid }}:{{ pluck "fsGroup" $.Values.securityContexts.pod | first | default $.Values.gid }}
{{- else if $.Values.securityContext -}}
{{ pluck "runAsUser" $.Values.securityContext | first | default $.Values.uid }}:{{ pluck "fsGroup" $.Values.securityContext | first | default $.Values.gid }}
{{- else -}}
{{ $.Values.uid }}:{{ $.Values.gid }}
{{- end -}}
{{- end -}}
{{- end -}}
{{/*
Set the default value for container securityContext
If no value is passed for securityContexts.container or <node>.securityContexts.container, defaults to deny privileges escallation and dropping all POSIX capabilities.
+-----------------------------------+ +----------------------------+ +-----------------------------------------------------------+
| <node>.securityContexts.container | -> | securityContexts.containers | -> | allowPrivilegesEscalation: false, capabilities.drop: [ALL]|
+-----------------------------------+ +----------------------------+ +-----------------------------------------------------------+
The template can be called like so:
include "containerSecurityContext" (list . .Values.webserver)
Where `.` is the global variables scope and `.Values.webserver` the local variables scope for the webserver template.
*/}}
{{- define "containerSecurityContext" -}}
{{- $ := index . 0 -}}
{{- with index . 1 }}
{{- if .securityContexts.container -}}
{{ toYaml .securityContexts.container | print }}
{{- else if $.Values.securityContexts.containers -}}
{{ toYaml $.Values.securityContexts.containers | print }}
{{- else -}}
allowPrivilegeEscalation: false
capabilities:
drop:
- ALL
{{- end -}}
{{- end -}}
{{- end -}}
{{/*
Set the default value for external container securityContext(redis and statsd).
If no value is passed for <node>.securityContexts.container, defaults to deny privileges escallation and dropping all POSIX capabilities.
+-----------------------------------+ +-----------------------------------------------------------+
| <node>.securityContexts.container | -> | allowPrivilegesEscalation: false, capabilities.drop: [ALL]|
+-----------------------------------+ +-----------------------------------------------------------+
The template can be called like so:
include "externalContainerSecurityContext" .Values.statsd