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values.schema.json
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values.schema.json
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{
"$schema": "http://json-schema.org/draft-07/schema",
"description": "Default values for airflow. Declare variables to be passed into your templates.",
"type": "object",
"x-docsSectionOrder": [
"Common",
"Airflow",
"Images",
"Ports",
"Database",
"PgBouncer",
"Scheduler",
"Webserver",
"Workers",
"Flower",
"Redis",
"Statsd",
"Jobs",
"Kubernetes",
"Ingress",
"Kerberos"
],
"properties": {
"fullnameOverride": {
"description": "Provide a name to substitute for the full names of resources",
"type": "string",
"default": "",
"x-docsSection": null
},
"nameOverride": {
"description": "Override the name of the chart",
"type": "string",
"default": "",
"x-docsSection": null
},
"uid": {
"description": "User of airflow user.",
"type": "integer",
"default": 50000,
"x-docsSection": "Airflow"
},
"gid": {
"description": "Group of airflow user.",
"type": "integer",
"default": 0,
"x-docsSection": "Airflow"
},
"airflowHome": {
"description": "Airflow home directory. Used for mount paths.",
"type": "string",
"default": "/opt/airflow",
"x-docsSection": "Airflow"
},
"defaultAirflowRepository": {
"description": "Default airflow repository. Overrides all the specific images below.",
"type": "string",
"default": "apache/airflow",
"x-docsSection": "Common"
},
"defaultAirflowTag": {
"description": "Default airflow tag to deploy.",
"type": "string",
"default": "2.1.2",
"x-docsSection": "Common"
},
"airflowVersion": {
"description": "Airflow version (Used to make some decisions based on Airflow Version being deployed).",
"type": "string",
"default": "2.1.2",
"x-docsSection": "Common"
},
"nodeSelector": {
"description": "Select certain nodes for all pods.",
"type": "object",
"default": {},
"x-docsSection": "Kubernetes",
"additionalProperties": {
"type": "string"
}
},
"affinity": {
"description": "Specify scheduling constraints for all pods.",
"type": "object",
"default": {},
"x-docsSection": "Kubernetes"
},
"tolerations": {
"description": "Specify Tolerations for all pods.",
"type": "array",
"default": [],
"x-docsSection": "Kubernetes"
},
"labels": {
"description": "Add common labels to all objects and pods defined in this chart.",
"type": "object",
"default": {},
"x-docsSection": "Kubernetes",
"additionalProperties": {
"type": "string"
}
},
"ingress": {
"description": "Ingress configuration.",
"type": "object",
"x-docsSection": "Ingress",
"properties": {
"enabled": {
"description": "Enable ingress resource.",
"type": "boolean",
"default": false
},
"web": {
"description": "Configuration for the Ingress of the web Service.",
"type": "object",
"additionalProperties": false,
"properties": {
"annotations": {
"description": "Annotations for the web Ingress.",
"type": "object",
"default": {}
},
"path": {
"description": "The path for the web Ingress.",
"type": "string",
"default": ""
},
"host": {
"description": "The hostname for the web Ingress.",
"type": "string",
"default": ""
},
"tls": {
"description": "Configuration for web Ingress TLS.",
"type": "object",
"additionalProperties": false,
"properties": {
"enabled": {
"description": "Enable TLS termination for the web Ingress.",
"type": "boolean",
"default": false
},
"secretName": {
"description": "The name of a pre-created Secret containing a TLS private key and certificate.",
"type": "string",
"default": ""
}
}
},
"precedingPaths": {
"description": "HTTP paths to add to the web Ingress before the default path.",
"type": "array",
"default": []
},
"succeedingPaths": {
"description": "HTTP paths to add to the web Ingress after the default path.",
"type": "array",
"default": []
}
}
},
"flower": {
"description": "Configuration for the Ingress of the flower Service.",
"type": "object",
"additionalProperties": false,
"properties": {
"annotations": {
"description": "Annotations for the flower Ingress.",
"type": "object",
"default": {}
},
"path": {
"description": "The path for the flower Ingress.",
"type": "string",
"default": ""
},
"host": {
"description": "The hostname for the flower Ingress.",
"type": "string",
"default": ""
},
"tls": {
"description": "Configuration for flower Ingress TLS.",
"type": "object",
"additionalProperties": false,
"properties": {
"enabled": {
"description": "Enable TLS termination for the flower Ingress.",
"type": "boolean",
"default": false
},
"secretName": {
"description": "The name of a pre-created Secret containing a TLS private key and certificate.",
"type": "string",
"default": ""
}
}
},
"precedingPaths": {
"description": "HTTP paths to add to the flower Ingress before the default path.",
"type": "array",
"default": []
},
"succeedingPaths": {
"description": "HTTP paths to add to the flower Ingress after the default path.",
"type": "array",
"default": []
}
}
}
}
},
"networkPolicies": {
"description": "Network policy configuration.",
"type": "object",
"x-docsSection": "Kubernetes",
"additionalProperties": false,
"properties": {
"enabled": {
"description": "Enabled network policies.",
"type": "boolean",
"default": false
}
}
},
"airflowPodAnnotations": {
"description": "Extra annotations to apply to all Airflow pods.",
"type": "object",
"default": {},
"x-docsSection": "Kubernetes"
},
"airflowConfigAnnotations": {
"description": "Extra annotations to apply to the main Airflow configmap.",
"type": "object",
"default": {},
"x-docsSection": "Kubernetes"
},
"airflowLocalSettings": {
"description": "`airflow_local_settings` file as a string (can be templated).",
"type": [
"string",
"null"
],
"x-docsSection": "Common",
"default": null
},
"rbac": {
"description": "Enable RBAC (default on most clusters these days).",
"type": "object",
"x-docsSection": "Kubernetes",
"properties": {
"create": {
"description": "Specifies whether RBAC resources should be created.",
"type": "boolean",
"default": true
}
}
},
"executor": {
"description": "Airflow executor.",
"type": "string",
"x-docsSection": "Common",
"default": "CeleryExecutor",
"enum": [
"LocalExecutor",
"CeleryExecutor",
"KubernetesExecutor",
"CeleryKubernetesExecutor"
]
},
"allowPodLaunching": {
"description": "Whether various Airflow components launch pods.",
"type": "boolean",
"x-docsSection": "Airflow",
"default": true
},
"images": {
"description": "Images.",
"type": "object",
"x-docsSection": "Images",
"additionalProperties": false,
"properties": {
"airflow": {
"description": "Configuration of the airflow image.",
"type": "object",
"properties": {
"repository": {
"description": "The airflow image repository.",
"type": [
"string",
"null"
],
"default": null
},
"tag": {
"description": "The airflow image tag.",
"type": [
"string",
"null"
],
"default": null
},
"pullPolicy": {
"description": "The airflow image pull policy.",
"type": "string",
"enum": [
"Always",
"Never",
"IfNotPresent"
],
"default": "IfNotPresent"
}
}
},
"pod_template": {
"description": "Configuration of the pod_template image.",
"type": "object",
"properties": {
"repository": {
"description": "The pod_template image repository.",
"type": [
"string",
"null"
],
"default": null
},
"tag": {
"description": "The pod_template image tag.",
"type": [
"string",
"null"
],
"default": null
},
"pullPolicy": {
"description": "The pod_template image pull policy.",
"type": "string",
"enum": [
"Always",
"Never",
"IfNotPresent"
],
"default": "IfNotPresent"
}
}
},
"flower": {
"description": "Configuration of the flower image.",
"type": "object",
"properties": {
"repository": {
"description": "The flower image repository.",
"type": [
"string",
"null"
],
"default": null
},
"tag": {
"description": "The flower image tag.",
"type": [
"string",
"null"
],
"default": null
},
"pullPolicy": {
"description": "The flower image pull policy.",
"type": "string",
"enum": [
"Always",
"Never",
"IfNotPresent"
],
"default": "IfNotPresent"
}
}
},
"statsd": {
"description": "Configuration of the statsd image.",
"type": "object",
"properties": {
"repository": {
"description": "The statsd image repository.",
"type": "string",
"default": "apache/airflow"
},
"tag": {
"description": "The statsd image tag.",
"type": "string",
"default": "airflow-statsd-exporter-2021.04.28-v0.17.0"
},
"pullPolicy": {
"description": "The statsd image pull policy.",
"type": "string",
"enum": [
"Always",
"Never",
"IfNotPresent"
],
"default": "IfNotPresent"
}
}
},
"redis": {
"description": "Configuration of the redis image.",
"type": "object",
"properties": {
"repository": {
"description": "The redis image repository.",
"type": "string",
"default": "redis"
},
"tag": {
"description": "The redis image tag.",
"type": "string",
"default": "6-buster"
},
"pullPolicy": {
"description": "The redis image pull policy.",
"type": "string",
"enum": [
"Always",
"Never",
"IfNotPresent"
],
"default": "IfNotPresent"
}
}
},
"pgbouncer": {
"description": "Configuration of the PgBouncer image.",
"type": "object",
"properties": {
"repository": {
"description": "The PgBouncer image repository.",
"type": "string",
"default": "apache/airflow"
},
"tag": {
"description": "The PgBouncer image tag.",
"type": "string",
"default": "airflow-pgbouncer-2021.04.28-1.14.0"
},
"pullPolicy": {
"description": "The PgBouncer image pull policy.",
"type": "string",
"enum": [
"Always",
"Never",
"IfNotPresent"
],
"default": "IfNotPresent"
}
}
},
"pgbouncerExporter": {
"description": "Configuration of the PgBouncer exporter image.",
"type": "object",
"properties": {
"repository": {
"description": "The PgBouncer exporter image repository.",
"type": "string",
"default": "apache/airflow"
},
"tag": {
"description": "The PgBouncer exporter image tag.",
"type": "string",
"default": "airflow-pgbouncer-exporter-2021.04.28-0.5.0"
},
"pullPolicy": {
"description": "The PgBouncer exporter image pull policy.",
"type": "string",
"enum": [
"Always",
"Never",
"IfNotPresent"
],
"default": "IfNotPresent"
}
}
},
"gitSync": {
"description": "Configuration of the gitSync image.",
"type": "object",
"properties": {
"repository": {
"description": "The gitSync image repository.",
"type": "string",
"default": "k8s.gcr.io/git-sync/git-sync"
},
"tag": {
"description": "The gitSync image tag.",
"type": "string",
"default": "v3.3.0"
},
"pullPolicy": {
"description": "The gitSync image pull policy.",
"type": "string",
"enum": [
"Always",
"Never",
"IfNotPresent"
],
"default": "IfNotPresent"
}
}
}
}
},
"env": {
"description": "Environment variables for all Airflow containers.",
"type": "array",
"x-docsSection": "Airflow",
"default": [],
"examples": [
{
"name": "MYENVVAR",
"value": "something_fun"
}
]
},
"secret": {
"description": "Secrets for all Airflow containers.",
"type": "array",
"x-docsSection": "Airflow",
"default": [],
"examples": [
{
"envName": "SecretEnvVar",
"secretName": "somesecret",
"secretKey": "somekey"
}
]
},
"extraEnv": {
"description": "Extra env 'items' that will be added to the definition of Airflow containers; a string is expected (can be templated).",
"type": [
"null",
"string"
],
"x-docsSection": "Airflow",
"default": null,
"examples": [
"- name: AIRFLOW__CORE__LOAD_EXAMPLES\n value: True"
]
},
"extraEnvFrom": {
"description": "Extra envFrom 'items' that will be added to the definition of Airflow containers; a string is expected (can be templated).",
"type": [
"null",
"string"
],
"x-docsSection": "Airflow",
"default": null,
"examples": [
"- secretRef:\n name: '{{ .Release.Name }}-airflow-connections'",
"- configMapRef:\n name: '{{ .Release.Name }}-airflow-variables'"
]
},
"extraSecrets": {
"description": "Extra secrets that will be managed by the chart.",
"type": "object",
"x-docsSection": "Kubernetes",
"default": {},
"additionalProperties": {
"description": "Name of the secret (can be templated).",
"type": "object",
"minProperties": 1,
"additionalProperties": false,
"properties": {
"data": {
"description": "Content **as string** for the 'data' item of the secret (can be templated)",
"type": "string"
},
"stringData": {
"description": "Content **as string** for the 'stringData' item of the secret (can be templated)",
"type": "string"
}
}
},
"examples": [
{
"{{ .Release.Name }}-airflow-connections": {
"data": "AIRFLOW_CONN_GCP: 'base64_encoded_gcp_conn_string'\nAIRFLOW_CONN_AWS: 'base64_encoded_aws_conn_string'",
"stringData": "AIRFLOW_CONN_OTHER: 'other_conn'"
}
}
]
},
"extraConfigMaps": {
"description": "Extra ConfigMaps that will be managed by the chart.",
"type": "object",
"x-docsSection": "Kubernetes",
"default": {},
"additionalProperties": {
"description": "Name of the configMap (can be templated).",
"type": "object",
"minProperties": 1,
"additionalProperties": false,
"properties": {
"data": {
"description": "Content **as string** for the 'data' item of the secret (can be templated)",
"type": "string"
}
}
},
"examples": [
{
"{{ .Release.Name }}-airflow-variables": {
"data": "AIRFLOW_VAR_HELLO_MESSAGE: 'Hi!'\nAIRFLOW_VAR_KUBERNETES_NAMESPACE: '{{ .Release.Namespace }}'"
}
}
]
},
"data": {
"description": "Airflow database & redis configuration.",
"type": "object",
"x-docsSection": "Database",
"additionalProperties": false,
"properties": {
"metadataSecretName": {
"description": "Metadata connection string secret.",
"type": [
"string",
"null"
],
"default": null
},
"resultBackendSecretName": {
"description": "Result backend connection string secret.",
"type": [
"string",
"null"
],
"default": null
},
"brokerUrlSecretName": {
"description": "Redis broker URL secret.",
"type": [
"string",
"null"
],
"x-docsSection": "Redis",
"default": null
},
"metadataConnection": {
"description": "Metadata connection configuration.",
"type": "object",
"additionalProperties": false,
"properties": {
"user": {
"description": "The database user.",
"type": "string",
"default": "postgres"
},
"pass": {
"description": "The user's password.",
"type": "string",
"default": "postgres"
},
"protocol": {
"description": "The database protocol.",
"type": "string",
"default": "postgresql"
},
"host": {
"description": "The database host.",
"type": [
"string",
"null"
],
"default": null
},
"port": {
"description": "The database port.",
"type": "integer",
"default": 5432
},
"db": {
"description": "The name of the database.",
"type": "string",
"default": "postgres"
},
"sslmode": {
"description": "The database SSL parameter.",
"type": "string",
"default": "disable"
}
}
},
"resultBackendConnection": {
"description": "Result backend connection configuration.",
"type": [
"object",
"null"
],
"default": null,
"additionalProperties": false,
"properties": {
"user": {
"description": "The database user.",
"type": "string",
"default": null
},
"pass": {
"description": "The database password.",
"type": "string",
"default": null
},
"protocol": {
"description": "The database protocol.",
"type": "string",
"default": null
},
"host": {
"description": "The database host.",
"type": [
"string",
"null"
],
"default": null
},
"port": {
"description": "The database port.",
"type": "integer",
"default": null
},
"db": {
"description": "The name of the database.",
"type": "string",
"default": null
},
"sslmode": {
"description": "The database SSL parameter.",
"type": "string",
"default": null
}
},
"required": [
"user",
"pass",
"protocol",
"host",
"port",
"db",
"sslmode"
]
},
"brokerUrl": {
"description": "Direct url to the redis broker (when using an external redis instance) (can only be set during install, not upgrade).",
"type": [
"string",
"null"
],
"x-docsSection": "Redis",
"default": null
}
}
},
"fernetKey": {
"description": "The Fernet key used to encrypt passwords (can only be set during install, not upgrade).",
"type": [
"string",
"null"
],
"x-docsSection": "Common",
"default": null
},
"fernetKeySecretName": {
"description": "The Fernet key secret name.",
"type": [
"string",
"null"
],
"x-docsSection": "Airflow",
"default": null
},
"webserverSecretKey": {
"description": "The Flask secret key for Airflow Webserver to encrypt browser session.",
"type": [
"string",
"null"
],
"x-docsSection": "Common",
"default": null
},
"webserverSecretKeySecretName": {
"description": "The Secret name containing Flask secret_key for the Webserver.",
"type": [
"string",
"null"
],
"x-docsSection": "Airflow",
"default": null
},
"kerberos": {
"description": "Kerberos configurations for airflow",
"type": "object",
"x-docsSection": "Kerberos",
"properties": {
"enabled": {
"description": "Enable kerberos.",
"type": "boolean",
"default": false
},
"ccacheMountPath": {
"description": "Path to mount shared volume for kerberos credentials cache.",
"type": "string",
"default": "/var/kerberos-ccache"
},
"ccacheFileName": {
"description": "Name for kerberos credentials cache file.",
"type": "string",
"default": "cache"
},
"configPath": {
"description": "Path to mount krb5.conf kerberos configuration file.",
"type": "string",
"default": "/etc/krb5.conf"
},
"keytabPath": {
"description": "Path to mount the keytab for refreshing credentials in the kerberos sidecar.",
"type": "string",
"default": "/etc/airflow.keytab"
},
"principal": {
"description": "Principal to use when refreshing kerberos credentials.",
"type": "string",
"default": "[email protected]"
},
"reinitFrequency": {
"description": "How often (in seconds) airflow kerberos will reinitialize the credentials cache.",
"type": "integer",
"default": 3600
},
"config": {
"description": "Contents of krb5.conf.",
"type": "string",
"default": "See values.yaml"
}
}
},
"workers": {
"description": "Airflow Worker configuration.",
"type": "object",
"x-docsSection": "Workers",
"additionalProperties": false,
"properties": {
"replicas": {
"description": "Number of Airflow Celery workers in StatefulSet.",
"type": "integer",
"default": 1
},
"command": {
"description": "Command to use when running Airflow workers (templated).",
"type": [
"array",
"null"
],
"items": {
"type": "string"
},
"default": null
},
"args": {
"description": "Args to use when running Airflow workers (templated).",
"type": [
"array",
"null"
],
"items": {
"type": "string"
},
"default": [
"bash",
"-c",
"exec \\\nairflow {{ semverCompare \">=2.0.0\" .Values.airflowVersion | ternary \"celery worker\" \"worker\" }}"
]
},
"updateStrategy": {
"description": "Specifies the strategy used to replace old Pods by new ones when deployed as a StatefulSet.",
"type": [
"null",
"object"
],
"default": null
},
"strategy": {
"description": "Specifies the strategy used to replace old Pods by new ones when deployed as a Deployment.",
"type": [
"null",
"object"
],
"default": {
"rollingUpdate": {
"maxSurge": "100%",
"maxUnavailable": "50%"
}
}
},
"serviceAccount": {
"description": "Create ServiceAccount.",
"type": "object",
"properties": {
"create": {
"description": "Specifies whether a ServiceAccount should be created.",
"type": "boolean",
"default": true
},
"name": {
"description": "The name of the ServiceAccount to use. If not set and create is true, a name is generated using the release name.",
"type": [
"string",
"null"
],
"default": null
},
"annotations": {
"description": "Annotations to add to the worker Kubernetes ServiceAccount.",
"type": "object",
"default": {}
}
}
},
"keda": {
"description": "KEDA configuration.",
"type": "object",
"additionalProperties": false,
"properties": {
"enabled": {
"description": "Allow KEDA autoscaling. `Persistence.enabled` must be set to false to use KEDA.",
"type": "boolean",
"default": false
},
"namespaceLabels": {
"description": "Labels used in `matchLabels` for namespace in the PgBouncer NetworkPolicy.",
"type": "object",
"default": {}
},
"pollingInterval": {
"description": "How often KEDA polls the airflow DB to report new scale requests to the HPA.",
"type": "integer",
"default": 5
},
"cooldownPeriod": {
"description": "How many seconds KEDA will wait before scaling to zero.",
"type": "integer",
"default": 30
},
"minReplicaCount": {
"description": "Minimum number of workers created by KEDA.",
"type": "integer",
"default": 0
},
"maxReplicaCount": {
"description": "Maximum number of workers created by KEDA.",
"type": "integer",
"default": 10
}
}
},
"persistence": {
"description": "Persistence configuration.",
"type": "object",
"additionalProperties": false,
"properties": {
"enabled": {
"description": "Enable persistent volumes.",
"type": "boolean",
"default": true
},
"size": {
"description": "Volume size for worker StatefulSet.",
"type": "string",
"default": "100Gi"
},
"storageClassName": {
"description": "If using a custom StorageClass, pass name ref to all StatefulSets here.",
"type": [
"string",
"null"
],
"default": null
},
"fixPermissions": {
"description": "Execute init container to chown log directory. This is currently only needed in kind, due to usage of local-path provisioner.",
"type": "boolean",
"default": false
}
}
},
"kerberosSidecar": {
"description": "Kerberos sidecar for Airflow workers.",
"type": "object",
"additionalProperties": false,
"properties": {
"enabled": {
"description": "Enable Kerberos sidecar for the worker.",
"type": "boolean",
"default": false