The DAG API from Apache Airflow — 8 operation(s) for dag.
openapi: 3.0.3
info:
contact:
email: dev@airflow.apache.org
name: Apache Software Foundation
url: https://airflow.apache.org
x-twitter: TheASF
description: "# Overview\n\nTo facilitate management, Apache Airflow supports a range of REST API endpoints across its\nobjects.\nThis section provides an overview of the API design, methods, and supported use cases.\n\nMost of the endpoints accept `JSON` as input and return `JSON` responses.\nThis means that you must usually add the following headers to your request:\n```\nContent-type: application/json\nAccept: application/json\n```\n\n## Resources\n\nThe term `resource` refers to a single type of object in the Airflow metadata. An API is broken up by its\nendpoint's corresponding resource.\nThe name of a resource is typically plural and expressed in camelCase. Example: `dagRuns`.\n\nResource names are used as part of endpoint URLs, as well as in API parameters and responses.\n\n## CRUD Operations\n\nThe platform supports **C**reate, **R**ead, **U**pdate, and **D**elete operations on most resources.\nYou can review the standards for these operations and their standard parameters below.\n\nSome endpoints have special behavior as exceptions.\n\n### Create\n\nTo create a resource, you typically submit an HTTP `POST` request with the resource's required metadata\nin the request body.\nThe response returns a `201 Created` response code upon success with the resource's metadata, including\nits internal `id`, in the response body.\n\n### Read\n\nThe HTTP `GET` request can be used to read a resource or to list a number of resources.\n\nA resource's `id` can be submitted in the request parameters to read a specific resource.\nThe response usually returns a `200 OK` response code upon success, with the resource's metadata in\nthe response body.\n\nIf a `GET` request does not include a specific resource `id`, it is treated as a list request.\nThe response usually returns a `200 OK` response code upon success, with an object containing a list\nof resources' metadata in the response body.\n\nWhen reading resources, some common query parameters are usually available. e.g.:\n```\nv1/connections?limit=25&offset=25\n```\n\n|Query Parameter|Type|Description|\n|---------------|----|-----------|\n|limit|integer|Maximum number of objects to fetch. Usually 25 by default|\n|offset|integer|Offset after which to start returning objects. For use with limit query parameter.|\n\n### Update\n\nUpdating a resource requires the resource `id`, and is typically done using an HTTP `PATCH` request,\nwith the fields to modify in the request body.\nThe response usually returns a `200 OK` response code upon success, with information about the modified\nresource in the response body.\n\n### Delete\n\nDeleting a resource requires the resource `id` and is typically executing via an HTTP `DELETE` request.\nThe response usually returns a `204 No Content` response code upon success.\n\n## Conventions\n\n- Resource names are plural and expressed in camelCase.\n- Names are consistent between URL parameter name and field name.\n\n- Field names are in snake_case.\n```json\n{\n \"name\": \"string\",\n \"slots\": 0,\n \"occupied_slots\": 0,\n \"used_slots\": 0,\n \"queued_slots\": 0,\n \"open_slots\": 0\n}\n```\n\n### Update Mask\n\nUpdate mask is available as a query parameter in patch endpoints. It is used to notify the\nAPI which fields you want to update. Using `update_mask` makes it easier to update objects\nby helping the server know which fields to update in an object instead of updating all fields.\nThe update request ignores any fields that aren't specified in the field mask, leaving them with\ntheir current values.\n\nExample:\n```\n resource = request.get('/resource/my-id').json()\n resource['my_field'] = 'new-value'\n request.patch('/resource/my-id?update_mask=my_field', data=json.dumps(resource))\n```\n\n## Versioning and Endpoint Lifecycle\n\n- API versioning is not synchronized to specific releases of the Apache Airflow.\n- APIs are designed to be backward compatible.\n- Any changes to the API will first go through a deprecation phase.\n\n# Trying the API\n\nYou can use a third party client, such as [curl](https://curl.haxx.se/), [HTTPie](https://httpie.org/),\n[Postman](https://www.postman.com/) or [the Insomnia rest client](https://insomnia.rest/) to test\nthe Apache Airflow API.\n\nNote that you will need to pass credentials data.\n\nFor e.g., here is how to pause a DAG with [curl](https://curl.haxx.se/), when basic authorization is used:\n```bash\ncurl -X PATCH 'https://example.com/api/v1/dags/{dag_id}?update_mask=is_paused' \\\n-H 'Content-Type: application/json' \\\n--user \"username:password\" \\\n-d '{\n \"is_paused\": true\n}'\n```\n\nUsing a graphical tool such as [Postman](https://www.postman.com/) or [Insomnia](https://insomnia.rest/),\nit is possible to import the API specifications directly:\n\n1. Download the API specification by clicking the **Download** button at top of this document\n2. Import the JSON specification in the graphical tool of your choice.\n - In *Postman*, you can click the **import** button at the top\n - With *Insomnia*, you can just drag-and-drop the file on the UI\n\nNote that with *Postman*, you can also generate code snippets by selecting a request and clicking on\nthe **Code** button.\n\n## Enabling CORS\n\n[Cross-origin resource sharing (CORS)](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS)\nis a browser security feature that restricts HTTP requests that are\ninitiated from scripts running in the browser.\n\nFor details on enabling/configuring CORS, see\n[Enabling CORS](https://airflow.apache.org/docs/apache-airflow/stable/security/api.html).\n\n# Authentication\n\nTo be able to meet the requirements of many organizations, Airflow supports many authentication methods,\nand it is even possible to add your own method.\n\nIf you want to check which auth backend is currently set, you can use\n`airflow config get-value api auth_backends` command as in the example below.\n```bash\n$ airflow config get-value api auth_backends\nairflow.api.auth.backend.basic_auth\n```\nThe default is to deny all requests.\n\nFor details on configuring the authentication, see\n[API Authorization](https://airflow.apache.org/docs/apache-airflow/stable/security/api.html).\n\n# Errors\n\nWe follow the error response format proposed in [RFC 7807](https://tools.ietf.org/html/rfc7807)\nalso known as Problem Details for HTTP APIs. As with our normal API responses,\nyour client must be prepared to gracefully handle additional members of the response.\n\n## Unauthenticated\n\nThis indicates that the request has not been applied because it lacks valid authentication\ncredentials for the target resource. Please check that you have valid credentials.\n\n## PermissionDenied\n\nThis response means that the server understood the request but refuses to authorize\nit because it lacks sufficient rights to the resource. It happens when you do not have the\nnecessary permission to execute the action you performed. You need to get the appropriate\npermissions in other to resolve this error.\n\n## BadRequest\n\nThis response means that the server cannot or will not process the request due to something\nthat is perceived to be a client error (e.g., malformed request syntax, invalid request message\nframing, or deceptive request routing). To resolve this, please ensure that your syntax is correct.\n\n## NotFound\n\nThis client error response indicates that the server cannot find the requested resource.\n\n## MethodNotAllowed\n\nIndicates that the request method is known by the server but is not supported by the target resource.\n\n## NotAcceptable\n\nThe target resource does not have a current representation that would be acceptable to the user\nagent, according to the proactive negotiation header fields received in the request, and the\nserver is unwilling to supply a default representation.\n\n## AlreadyExists\n\nThe request could not be completed due to a conflict with the current state of the target\nresource, e.g. the resource it tries to create already exists.\n\n## Unknown\n\nThis means that the server encountered an unexpected condition that prevented it from\nfulfilling the request.\n"
license:
name: Apache 2.0
url: http://www.apache.org/licenses/LICENSE-2.0.html
title: Airflow API (Stable) Config DAG API
version: 2.5.3
x-apisguru-categories:
- messaging
x-logo:
url: https://twitter.com/TheASF/profile_image?size=original
x-origin:
- format: openapi
url: https://airflow.apache.org/docs/apache-airflow/stable/_specs/v1.yaml
version: '3.0'
x-providerName: apache.org
x-serviceName: airflow
servers:
- description: Apache Airflow Stable API.
url: /api/v1
- url: https://apache.local
security: []
tags:
- name: DAG
paths:
/dagSources/{file_token}:
parameters:
- $ref: '#/components/parameters/FileToken'
get:
description: 'Get a source code using file token.
'
operationId: get_dag_source
responses:
'200':
content:
application/json:
schema:
properties:
content:
type: string
type: object
plain/text:
schema:
type: string
description: Success.
'401':
$ref: '#/components/responses/Unauthenticated'
'403':
$ref: '#/components/responses/PermissionDenied'
'404':
$ref: '#/components/responses/NotFound'
'406':
$ref: '#/components/responses/NotAcceptable'
summary: Apache Airflow Get a Source Code
tags:
- DAG
x-openapi-router-controller: airflow.api_connexion.endpoints.dag_source_endpoint
/dags:
get:
description: 'List DAGs in the database.
`dag_id_pattern` can be set to match dags of a specific pattern
'
operationId: get_dags
parameters:
- $ref: '#/components/parameters/PageLimit'
- $ref: '#/components/parameters/PageOffset'
- $ref: '#/components/parameters/OrderBy'
- $ref: '#/components/parameters/FilterTags'
- $ref: '#/components/parameters/OnlyActive'
- description: 'If set, only return DAGs with dag_ids matching this pattern.
'
in: query
name: dag_id_pattern
required: false
schema:
type: string
responses:
'200':
content:
application/json:
schema:
$ref: '#/components/schemas/DAGCollection'
description: Success.
'401':
$ref: '#/components/responses/Unauthenticated'
summary: Apache Airflow List DAGs
tags:
- DAG
x-openapi-router-controller: airflow.api_connexion.endpoints.dag_endpoint
patch:
description: 'Update DAGs of a given dag_id_pattern using UpdateMask.
This endpoint allows specifying `~` as the dag_id_pattern to update all DAGs.
*New in version 2.3.0*
'
operationId: patch_dags
parameters:
- $ref: '#/components/parameters/PageLimit'
- $ref: '#/components/parameters/PageOffset'
- $ref: '#/components/parameters/FilterTags'
- $ref: '#/components/parameters/UpdateMask'
- $ref: '#/components/parameters/OnlyActive'
- description: 'If set, only update DAGs with dag_ids matching this pattern.
'
in: query
name: dag_id_pattern
required: true
schema:
type: string
requestBody:
content:
application/json:
example:
is_paused: true
schema:
$ref: '#/components/schemas/DAG'
required: true
responses:
'200':
content:
application/json:
schema:
$ref: '#/components/schemas/DAGCollection'
description: Success.
'401':
$ref: '#/components/responses/Unauthenticated'
'403':
$ref: '#/components/responses/PermissionDenied'
'404':
$ref: '#/components/responses/NotFound'
summary: Apache Airflow Update DAGs
tags:
- DAG
x-openapi-router-controller: airflow.api_connexion.endpoints.dag_endpoint
/dags/{dag_id}:
parameters:
- $ref: '#/components/parameters/DAGID'
delete:
description: 'Deletes all metadata related to the DAG, including finished DAG Runs and Tasks.
Logs are not deleted. This action cannot be undone.
*New in version 2.2.0*
'
operationId: delete_dag
responses:
'204':
description: Success.
'400':
$ref: '#/components/responses/BadRequest'
'401':
$ref: '#/components/responses/Unauthenticated'
'403':
$ref: '#/components/responses/PermissionDenied'
'404':
$ref: '#/components/responses/NotFound'
'409':
$ref: '#/components/responses/AlreadyExists'
summary: Apache Airflow Delete a DAG
tags:
- DAG
x-openapi-router-controller: airflow.api_connexion.endpoints.dag_endpoint
get:
description: 'Presents only information available in database (DAGModel).
If you need detailed information, consider using GET /dags/{dag_id}/details.
'
operationId: get_dag
responses:
'200':
content:
application/json:
schema:
$ref: '#/components/schemas/DAG'
description: Success.
'401':
$ref: '#/components/responses/Unauthenticated'
'403':
$ref: '#/components/responses/PermissionDenied'
'404':
$ref: '#/components/responses/NotFound'
summary: Apache Airflow Get Basic Information About a DAG
tags:
- DAG
x-openapi-router-controller: airflow.api_connexion.endpoints.dag_endpoint
patch:
operationId: patch_dag
parameters:
- $ref: '#/components/parameters/UpdateMask'
requestBody:
content:
application/json:
example:
is_paused: true
schema:
$ref: '#/components/schemas/DAG'
required: true
responses:
'200':
content:
application/json:
schema:
$ref: '#/components/schemas/DAG'
description: Success.
'401':
$ref: '#/components/responses/Unauthenticated'
'403':
$ref: '#/components/responses/PermissionDenied'
'404':
$ref: '#/components/responses/NotFound'
summary: Apache Airflow Update a DAG
tags:
- DAG
x-openapi-router-controller: airflow.api_connexion.endpoints.dag_endpoint
/dags/{dag_id}/clearTaskInstances:
parameters:
- $ref: '#/components/parameters/DAGID'
post:
description: 'Clears a set of task instances associated with the DAG for a specified date range.
'
operationId: post_clear_task_instances
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/ClearTaskInstances'
description: Parameters of action
required: true
responses:
'200':
content:
application/json:
schema:
$ref: '#/components/schemas/TaskInstanceReferenceCollection'
description: Success.
'401':
$ref: '#/components/responses/Unauthenticated'
'403':
$ref: '#/components/responses/PermissionDenied'
'404':
$ref: '#/components/responses/NotFound'
summary: Apache Airflow Clear a Set of Task Instances
tags:
- DAG
x-openapi-router-controller: airflow.api_connexion.endpoints.task_instance_endpoint
/dags/{dag_id}/details:
parameters:
- $ref: '#/components/parameters/DAGID'
get:
description: 'The response contains many DAG attributes, so the response can be large. If possible, consider using GET /dags/{dag_id}.
'
operationId: get_dag_details
responses:
'200':
content:
application/json:
schema:
$ref: '#/components/schemas/DAGDetail'
description: Success.
'401':
$ref: '#/components/responses/Unauthenticated'
'403':
$ref: '#/components/responses/PermissionDenied'
'404':
$ref: '#/components/responses/NotFound'
summary: Apache Airflow Get a Simplified Representation of DAG
tags:
- DAG
x-openapi-router-controller: airflow.api_connexion.endpoints.dag_endpoint
/dags/{dag_id}/tasks:
parameters:
- $ref: '#/components/parameters/DAGID'
- $ref: '#/components/parameters/OrderBy'
get:
operationId: get_tasks
responses:
'200':
content:
application/json:
schema:
$ref: '#/components/schemas/TaskCollection'
description: Success.
'401':
$ref: '#/components/responses/Unauthenticated'
'403':
$ref: '#/components/responses/PermissionDenied'
'404':
$ref: '#/components/responses/NotFound'
summary: Apache Airflow Get Tasks for DAG
tags:
- DAG
x-openapi-router-controller: airflow.api_connexion.endpoints.task_endpoint
/dags/{dag_id}/tasks/{task_id}:
parameters:
- $ref: '#/components/parameters/DAGID'
- $ref: '#/components/parameters/TaskID'
get:
operationId: get_task
responses:
'200':
content:
application/json:
schema:
$ref: '#/components/schemas/Task'
description: Success.
'401':
$ref: '#/components/responses/Unauthenticated'
'403':
$ref: '#/components/responses/PermissionDenied'
'404':
$ref: '#/components/responses/NotFound'
summary: Apache Airflow Get Simplified Representation of a Task
tags:
- DAG
x-openapi-router-controller: airflow.api_connexion.endpoints.task_endpoint
/dags/{dag_id}/updateTaskInstancesState:
parameters:
- $ref: '#/components/parameters/DAGID'
post:
description: 'Updates the state for multiple task instances simultaneously.
'
operationId: post_set_task_instances_state
requestBody:
content:
application/json:
schema:
$ref: '#/components/schemas/UpdateTaskInstancesState'
description: Parameters of action
required: true
responses:
'200':
content:
application/json:
schema:
$ref: '#/components/schemas/TaskInstanceReferenceCollection'
description: Success.
'401':
$ref: '#/components/responses/Unauthenticated'
'403':
$ref: '#/components/responses/PermissionDenied'
'404':
$ref: '#/components/responses/NotFound'
summary: Apache Airflow Set a State of Task Instances
tags:
- DAG
x-openapi-router-controller: airflow.api_connexion.endpoints.task_instance_endpoint
components:
schemas:
CronExpression:
description: Cron expression
nullable: true
properties:
__type:
type: string
value:
type: string
required:
- __type
- value
type: object
Tag:
description: Tag
properties:
name:
type: string
type: object
TaskInstanceReference:
properties:
dag_id:
description: The DAG ID.
readOnly: true
type: string
dag_run_id:
description: The DAG run ID.
readOnly: true
type: string
execution_date:
format: datetime
readOnly: true
type: string
task_id:
description: The task ID.
readOnly: true
type: string
type: object
TaskCollection:
description: Collection of tasks.
properties:
tasks:
items:
$ref: '#/components/schemas/Task'
type: array
type: object
ClearTaskInstances:
properties:
dag_run_id:
description: The DagRun ID for this task instance
nullable: true
type: string
dry_run:
default: true
description: 'If set, don''t actually run this operation. The response will contain a list of task instances
planned to be cleaned, but not modified in any way.
'
type: boolean
end_date:
description: The maximum execution date to clear.
format: datetime
type: string
include_downstream:
default: false
description: If set to true, downstream tasks are also affected.
type: boolean
include_future:
default: false
description: If set to True, also tasks from future DAG Runs are affected.
type: boolean
include_parentdag:
description: Clear tasks in the parent dag of the subdag.
type: boolean
include_past:
default: false
description: If set to True, also tasks from past DAG Runs are affected.
type: boolean
include_subdags:
description: Clear tasks in subdags and clear external tasks indicated by ExternalTaskMarker.
type: boolean
include_upstream:
default: false
description: If set to true, upstream tasks are also affected.
type: boolean
only_failed:
default: true
description: Only clear failed tasks.
type: boolean
only_running:
default: false
description: Only clear running tasks.
type: boolean
reset_dag_runs:
description: Set state of DAG runs to RUNNING.
type: boolean
start_date:
description: The minimum execution date to clear.
format: datetime
type: string
task_ids:
description: 'A list of task ids to clear.
*New in version 2.1.0*
'
items:
type: string
minItems: 1
type: array
type: object
RelativeDelta:
description: Relative delta
properties:
__type:
type: string
day:
type: integer
days:
type: integer
hour:
type: integer
hours:
type: integer
leapdays:
type: integer
microsecond:
type: integer
microseconds:
type: integer
minute:
type: integer
minutes:
type: integer
month:
type: integer
months:
type: integer
second:
type: integer
seconds:
type: integer
year:
type: integer
years:
type: integer
required:
- __type
- years
- months
- days
- leapdays
- hours
- minutes
- seconds
- microseconds
- year
- month
- day
- hour
- minute
- second
- microsecond
type: object
CollectionInfo:
description: Metadata about collection.
properties:
total_entries:
description: 'Count of total objects in the current result set before pagination parameters
(limit, offset) are applied.
'
type: integer
type: object
UpdateTaskInstancesState:
properties:
dag_run_id:
description: 'The task instance''s DAG run ID. Either set this or execution_date but not both.
*New in version 2.3.0*
'
type: string
dry_run:
default: true
description: 'If set, don''t actually run this operation. The response will contain a list of task instances
planned to be affected, but won''t be modified in any way.
'
type: boolean
execution_date:
description: The execution date. Either set this or dag_run_id but not both.
format: datetime
type: string
include_downstream:
description: If set to true, downstream tasks are also affected.
type: boolean
include_future:
description: If set to True, also tasks from future DAG Runs are affected.
type: boolean
include_past:
description: If set to True, also tasks from past DAG Runs are affected.
type: boolean
include_upstream:
description: If set to true, upstream tasks are also affected.
type: boolean
new_state:
description: Expected new state.
enum:
- success
- failed
type: string
task_id:
description: The task ID.
type: string
type: object
Error:
description: '[RFC7807](https://tools.ietf.org/html/rfc7807) compliant response.
'
properties:
detail:
description: A human-readable explanation specific to this occurrence of the problem.
type: string
instance:
description: 'A URI reference that identifies the specific occurrence of the problem. It may or may
not yield further information if dereferenced.
'
type: string
status:
description: The HTTP status code generated by the API server for this occurrence of the problem.
type: number
title:
description: A short, human-readable summary of the problem type.
type: string
type:
description: 'A URI reference [RFC3986] that identifies the problem type. This specification
encourages that, when dereferenced, it provide human-readable documentation for
the problem type.
'
type: string
required:
- type
- title
- status
type: object
DAGDetail:
allOf:
- $ref: '#/components/schemas/DAG'
- properties:
catchup:
readOnly: true
type: boolean
concurrency:
readOnly: true
type: number
dag_run_timeout:
$ref: '#/components/schemas/TimeDelta'
nullable: true
default_view:
readOnly: true
type: string
doc_md:
nullable: true
readOnly: true
type: string
end_date:
description: 'The DAG''s end date.
*New in version 2.3.0*.
'
format: date-time
nullable: true
readOnly: true
type: string
is_paused_upon_creation:
description: 'Whether the DAG is paused upon creation.
*New in version 2.3.0*
'
nullable: true
readOnly: true
type: boolean
last_parsed:
description: 'The last time the DAG was parsed.
*New in version 2.3.0*
'
format: date-time
nullable: true
readOnly: true
type: string
orientation:
readOnly: true
type: string
params:
description: 'User-specified DAG params.
*New in version 2.0.1*
'
readOnly: true
type: object
render_template_as_native_obj:
description: 'Whether to render templates as native Python objects.
*New in version 2.3.0*
'
nullable: true
readOnly: true
type: boolean
start_date:
description: 'The DAG''s start date.
*Changed in version 2.0.1*: Field becomes nullable.
'
format: date-time
nullable: true
readOnly: true
type: string
template_search_path:
description: 'The template search path.
*New in version 2.3.0*
'
items:
type: string
nullable: true
type: array
timezone:
$ref: '#/components/schemas/Timezone'
type: object
description: 'DAG details.
For details see:
[airflow.models.DAG](https://airflow.apache.org/docs/apache-airflow/stable/_api/airflow/models/index.html#airflow.models.DAG)
'
TimeDelta:
description: Time delta
properties:
__type:
type: string
days:
type: integer
microseconds:
type: integer
seconds:
type: integer
required:
- __type
- days
- seconds
- microseconds
type: object
TaskInstanceReferenceCollection:
properties:
task_instances:
items:
$ref: '#/components/schemas/TaskInstanceReference'
type: array
type: object
Color:
description: Color in hexadecimal notation.
pattern: ^#[a-fA-F0-9]{3,6}$
type: string
DAGCollection:
allOf:
- properties:
dags:
items:
$ref: '#/components/schemas/DAG'
type: array
type: object
- $ref: '#/components/schemas/CollectionInfo'
description: 'Collection of DAGs.
*Changed in version 2.1.0*: ''total_entries'' field is added.
'
type: object
WeightRule:
description: Weight rule.
enum:
- downstream
- upstream
- absolute
type: string
Task:
description: 'For details see:
[airflow.models.BaseOperator](https://airflow.apache.org/docs/apache-airflow/stable/_api/airflow/models/index.html#airflow.models.BaseOperator)
'
properties:
class_ref:
$ref: '#/components/schemas/ClassReference'
depends_on_past:
readOnly: true
type: boolean
downstream_task_ids:
items:
type: string
readOnly: true
type: array
end_date:
format: date-time
nullable: true
readOnly: true
type: string
execution_timeout:
$ref: '#/components/schemas/TimeDelta'
nullable: true
extra_links:
items:
properties:
class_ref:
$ref: '#/components/schemas/ClassReference'
type: object
readOnly: true
type: array
is_mapped:
readOnly: true
type: boolean
owner:
readOnly: true
type: string
pool:
readOnly: true
type: string
pool_slots:
readOnly: true
type: number
priority_weight:
readOnly: true
type: number
queue:
nullable: true
readOnly: true
type: string
retries:
readOnly: true
type: number
retry_delay:
$ref: '#/components/schemas/TimeDelta'
nullable: true
retry_exponential_backoff:
readOnly: true
type: boolean
start_date:
format: date-time
readOnly: true
type: string
sub_dag:
$ref: '#/components/schemas/DAG'
task_id:
readOnly: true
type: string
template_fields:
items:
type: string
readOnly: true
type: array
trigger_rule:
$ref: '#/components/schemas/TriggerRule'
ui_color:
$ref: '#/components/schemas/Color'
ui_fgcolor:
$ref: '#/components/schemas/Color'
wait_for_downstream:
readOnly: true
type: boolean
weight_rule:
$ref: '#/components/schemas/WeightRule'
type: object
DAG:
description: DAG
properties:
dag_id:
description: The ID of the DAG.
readOnly: true
type: string
default_view:
description: 'Default view of the DAG inside the webserver
*New in version 2.3.0*
'
nullable: true
readOnly: true
type: string
desc
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# Full source: https://raw.githubusercontent.com/api-evangelist/apache-airflow/refs/heads/main/openapi/apache-airflow-dag-api-openapi.yml