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new 937cc299fe AIP-84 Migrate the public endpoint Get DAG to FastAPI
(#42848)
937cc299fe is described below
commit 937cc299fe8833a48653b39a7c1ef7aa2a660426
Author: Omkar P <[email protected]>
AuthorDate: Thu Oct 10 13:17:49 2024 +0530
AIP-84 Migrate the public endpoint Get DAG to FastAPI (#42848)
* Migrate the public endpoint Get DAG to FastAPI
* Use proper name for test function
---
airflow/api_fastapi/openapi/v1-generated.yaml | 62 ++++++++++++++++++++++---
airflow/api_fastapi/serializers/dags.py | 40 +++++++++-------
airflow/api_fastapi/views/public/dags.py | 20 ++++++++
airflow/ui/openapi-gen/queries/common.ts | 16 +++++++
airflow/ui/openapi-gen/queries/prefetch.ts | 20 ++++++++
airflow/ui/openapi-gen/queries/queries.ts | 26 +++++++++++
airflow/ui/openapi-gen/queries/suspense.ts | 26 +++++++++++
airflow/ui/openapi-gen/requests/services.gen.ts | 45 ++++++++++++++----
airflow/ui/openapi-gen/requests/types.gen.ts | 49 ++++++++++++++++---
tests/api_fastapi/views/public/test_dags.py | 48 +++++++++++++++++++
10 files changed, 313 insertions(+), 39 deletions(-)
diff --git a/airflow/api_fastapi/openapi/v1-generated.yaml
b/airflow/api_fastapi/openapi/v1-generated.yaml
index 463cc1e92f..fb19c1abd1 100644
--- a/airflow/api_fastapi/openapi/v1-generated.yaml
+++ b/airflow/api_fastapi/openapi/v1-generated.yaml
@@ -291,13 +291,13 @@ paths:
application/json:
schema:
$ref: '#/components/schemas/HTTPValidationError'
- /public/dags/{dag_id}/details:
+ /public/dags/{dag_id}:
get:
tags:
- DAG
- summary: Get Dag Details
- description: Get details of DAG.
- operationId: get_dag_details
+ summary: Get Dag
+ description: Get basic information about a DAG.
+ operationId: get_dag
parameters:
- name: dag_id
in: path
@@ -311,7 +311,7 @@ paths:
content:
application/json:
schema:
- $ref: '#/components/schemas/DAGDetailsResponse'
+ $ref: '#/components/schemas/DAGResponse'
'400':
content:
application/json:
@@ -342,7 +342,6 @@ paths:
schema:
$ref: '#/components/schemas/HTTPExceptionResponse'
description: Unprocessable Entity
- /public/dags/{dag_id}:
patch:
tags:
- DAG
@@ -409,6 +408,57 @@ paths:
application/json:
schema:
$ref: '#/components/schemas/HTTPValidationError'
+ /public/dags/{dag_id}/details:
+ get:
+ tags:
+ - DAG
+ summary: Get Dag Details
+ description: Get details of DAG.
+ operationId: get_dag_details
+ parameters:
+ - name: dag_id
+ in: path
+ required: true
+ schema:
+ type: string
+ title: Dag Id
+ responses:
+ '200':
+ description: Successful Response
+ content:
+ application/json:
+ schema:
+ $ref: '#/components/schemas/DAGDetailsResponse'
+ '400':
+ content:
+ application/json:
+ schema:
+ $ref: '#/components/schemas/HTTPExceptionResponse'
+ description: Bad Request
+ '401':
+ content:
+ application/json:
+ schema:
+ $ref: '#/components/schemas/HTTPExceptionResponse'
+ description: Unauthorized
+ '403':
+ content:
+ application/json:
+ schema:
+ $ref: '#/components/schemas/HTTPExceptionResponse'
+ description: Forbidden
+ '404':
+ content:
+ application/json:
+ schema:
+ $ref: '#/components/schemas/HTTPExceptionResponse'
+ description: Not Found
+ '422':
+ content:
+ application/json:
+ schema:
+ $ref: '#/components/schemas/HTTPExceptionResponse'
+ description: Unprocessable Entity
/public/connections/{connection_id}:
delete:
tags:
diff --git a/airflow/api_fastapi/serializers/dags.py
b/airflow/api_fastapi/serializers/dags.py
index 17677054c4..9879badf25 100644
--- a/airflow/api_fastapi/serializers/dags.py
+++ b/airflow/api_fastapi/serializers/dags.py
@@ -24,9 +24,9 @@ from typing import Any, Iterable
from itsdangerous import URLSafeSerializer
from pendulum.tz.timezone import FixedTimezone, Timezone
from pydantic import (
- AliasChoices,
+ AliasGenerator,
BaseModel,
- Field,
+ ConfigDict,
computed_field,
field_validator,
)
@@ -77,6 +77,14 @@ class DAGResponse(BaseModel):
return v.split(",")
return v
+ @field_validator("timetable_summary", mode="before")
+ @classmethod
+ def get_timetable_summary(cls, tts: str | None) -> str | None:
+ """Validate the string representation of timetable_summary."""
+ if tts is None or tts == "None":
+ return None
+ return str(tts)
+
# Mypy issue https://github.com/python/mypy/issues/1362
@computed_field # type: ignore[misc]
@property
@@ -103,9 +111,7 @@ class DAGDetailsResponse(DAGResponse):
"""Specific serializer for DAG Details responses."""
catchup: bool
- dag_run_timeout: timedelta | None = Field(
- validation_alias=AliasChoices("dag_run_timeout", "dagrun_timeout")
- )
+ dag_run_timeout: timedelta | None
dataset_expression: dict | None
doc_md: str | None
start_date: datetime | None
@@ -114,11 +120,19 @@ class DAGDetailsResponse(DAGResponse):
orientation: str
params: abc.MutableMapping | None
render_template_as_native_obj: bool
- template_search_path: Iterable[str] | None = Field(
- validation_alias=AliasChoices("template_search_path",
"template_searchpath")
- )
+ template_search_path: Iterable[str] | None
timezone: str | None
- last_parsed: datetime | None =
Field(validation_alias=AliasChoices("last_parsed", "last_loaded"))
+ last_parsed: datetime | None
+
+ model_config = ConfigDict(
+ alias_generator=AliasGenerator(
+ validation_alias=lambda field_name: {
+ "dag_run_timeout": "dagrun_timeout",
+ "last_parsed": "last_loaded",
+ "template_search_path": "template_searchpath",
+ }.get(field_name, field_name),
+ )
+ )
@field_validator("timezone", mode="before")
@classmethod
@@ -128,14 +142,6 @@ class DAGDetailsResponse(DAGResponse):
return None
return str(tz)
- @field_validator("timetable_summary", mode="before")
- @classmethod
- def get_timetable_summary(cls, tts: str | None) -> str | None:
- """Validate the string representation of timetable_summary."""
- if tts is None or tts == "None":
- return None
- return str(tts)
-
@field_validator("params", mode="before")
@classmethod
def get_params(cls, params: abc.MutableMapping | None) -> dict | None:
diff --git a/airflow/api_fastapi/views/public/dags.py
b/airflow/api_fastapi/views/public/dags.py
index f0df86b787..ca0f44162e 100644
--- a/airflow/api_fastapi/views/public/dags.py
+++ b/airflow/api_fastapi/views/public/dags.py
@@ -92,6 +92,26 @@ async def get_dags(
)
+@dags_router.get("/{dag_id}",
responses=create_openapi_http_exception_doc([400, 401, 403, 404, 422]))
+async def get_dag(
+ dag_id: str, session: Annotated[Session, Depends(get_session)], request:
Request
+) -> DAGResponse:
+ """Get basic information about a DAG."""
+ dag: DAG = request.app.state.dag_bag.get_dag(dag_id)
+ if not dag:
+ raise HTTPException(404, f"Dag with id {dag_id} was not found")
+
+ dag_model: DagModel = session.get(DagModel, dag_id)
+ if not dag_model:
+ raise HTTPException(404, f"Unable to obtain dag with id {dag_id} from
session")
+
+ for key, value in dag.__dict__.items():
+ if not key.startswith("_") and not hasattr(dag_model, key):
+ setattr(dag_model, key, value)
+
+ return DAGResponse.model_validate(dag_model, from_attributes=True)
+
+
@dags_router.get("/{dag_id}/details",
responses=create_openapi_http_exception_doc([400, 401, 403, 404, 422]))
async def get_dag_details(
dag_id: str, session: Annotated[Session, Depends(get_session)], request:
Request
diff --git a/airflow/ui/openapi-gen/queries/common.ts
b/airflow/ui/openapi-gen/queries/common.ts
index 72fd0ef9cc..a4d65c6900 100644
--- a/airflow/ui/openapi-gen/queries/common.ts
+++ b/airflow/ui/openapi-gen/queries/common.ts
@@ -98,6 +98,22 @@ export const UseDagServiceGetDagsKeyFn = (
},
]),
];
+export type DagServiceGetDagDefaultResponse = Awaited<
+ ReturnType<typeof DagService.getDag>
+>;
+export type DagServiceGetDagQueryResult<
+ TData = DagServiceGetDagDefaultResponse,
+ TError = unknown,
+> = UseQueryResult<TData, TError>;
+export const useDagServiceGetDagKey = "DagServiceGetDag";
+export const UseDagServiceGetDagKeyFn = (
+ {
+ dagId,
+ }: {
+ dagId: string;
+ },
+ queryKey?: Array<unknown>,
+) => [useDagServiceGetDagKey, ...(queryKey ?? [{ dagId }])];
export type DagServiceGetDagDetailsDefaultResponse = Awaited<
ReturnType<typeof DagService.getDagDetails>
>;
diff --git a/airflow/ui/openapi-gen/queries/prefetch.ts
b/airflow/ui/openapi-gen/queries/prefetch.ts
index a114b9dc92..8bd691ca33 100644
--- a/airflow/ui/openapi-gen/queries/prefetch.ts
+++ b/airflow/ui/openapi-gen/queries/prefetch.ts
@@ -126,6 +126,26 @@ export const prefetchUseDagServiceGetDags = (
tags,
}),
});
+/**
+ * Get Dag
+ * Get basic information about a DAG.
+ * @param data The data for the request.
+ * @param data.dagId
+ * @returns DAGResponse Successful Response
+ * @throws ApiError
+ */
+export const prefetchUseDagServiceGetDag = (
+ queryClient: QueryClient,
+ {
+ dagId,
+ }: {
+ dagId: string;
+ },
+) =>
+ queryClient.prefetchQuery({
+ queryKey: Common.UseDagServiceGetDagKeyFn({ dagId }),
+ queryFn: () => DagService.getDag({ dagId }),
+ });
/**
* Get Dag Details
* Get details of DAG.
diff --git a/airflow/ui/openapi-gen/queries/queries.ts
b/airflow/ui/openapi-gen/queries/queries.ts
index a3ce022571..51b8f4fb05 100644
--- a/airflow/ui/openapi-gen/queries/queries.ts
+++ b/airflow/ui/openapi-gen/queries/queries.ts
@@ -153,6 +153,32 @@ export const useDagServiceGetDags = <
}) as TData,
...options,
});
+/**
+ * Get Dag
+ * Get basic information about a DAG.
+ * @param data The data for the request.
+ * @param data.dagId
+ * @returns DAGResponse Successful Response
+ * @throws ApiError
+ */
+export const useDagServiceGetDag = <
+ TData = Common.DagServiceGetDagDefaultResponse,
+ TError = unknown,
+ TQueryKey extends Array<unknown> = unknown[],
+>(
+ {
+ dagId,
+ }: {
+ dagId: string;
+ },
+ queryKey?: TQueryKey,
+ options?: Omit<UseQueryOptions<TData, TError>, "queryKey" | "queryFn">,
+) =>
+ useQuery<TData, TError>({
+ queryKey: Common.UseDagServiceGetDagKeyFn({ dagId }, queryKey),
+ queryFn: () => DagService.getDag({ dagId }) as TData,
+ ...options,
+ });
/**
* Get Dag Details
* Get details of DAG.
diff --git a/airflow/ui/openapi-gen/queries/suspense.ts
b/airflow/ui/openapi-gen/queries/suspense.ts
index fbef843c6e..b437007468 100644
--- a/airflow/ui/openapi-gen/queries/suspense.ts
+++ b/airflow/ui/openapi-gen/queries/suspense.ts
@@ -148,6 +148,32 @@ export const useDagServiceGetDagsSuspense = <
}) as TData,
...options,
});
+/**
+ * Get Dag
+ * Get basic information about a DAG.
+ * @param data The data for the request.
+ * @param data.dagId
+ * @returns DAGResponse Successful Response
+ * @throws ApiError
+ */
+export const useDagServiceGetDagSuspense = <
+ TData = Common.DagServiceGetDagDefaultResponse,
+ TError = unknown,
+ TQueryKey extends Array<unknown> = unknown[],
+>(
+ {
+ dagId,
+ }: {
+ dagId: string;
+ },
+ queryKey?: TQueryKey,
+ options?: Omit<UseQueryOptions<TData, TError>, "queryKey" | "queryFn">,
+) =>
+ useSuspenseQuery<TData, TError>({
+ queryKey: Common.UseDagServiceGetDagKeyFn({ dagId }, queryKey),
+ queryFn: () => DagService.getDag({ dagId }) as TData,
+ ...options,
+ });
/**
* Get Dag Details
* Get details of DAG.
diff --git a/airflow/ui/openapi-gen/requests/services.gen.ts
b/airflow/ui/openapi-gen/requests/services.gen.ts
index 7f61fd32f3..24fbb9c29c 100644
--- a/airflow/ui/openapi-gen/requests/services.gen.ts
+++ b/airflow/ui/openapi-gen/requests/services.gen.ts
@@ -11,10 +11,12 @@ import type {
GetDagsResponse,
PatchDagsData,
PatchDagsResponse,
- GetDagDetailsData,
- GetDagDetailsResponse,
+ GetDagData,
+ GetDagResponse,
PatchDagData,
PatchDagResponse,
+ GetDagDetailsData,
+ GetDagDetailsResponse,
DeleteConnectionData,
DeleteConnectionResponse,
GetConnectionData,
@@ -166,19 +168,17 @@ export class DagService {
}
/**
- * Get Dag Details
- * Get details of DAG.
+ * Get Dag
+ * Get basic information about a DAG.
* @param data The data for the request.
* @param data.dagId
- * @returns DAGDetailsResponse Successful Response
+ * @returns DAGResponse Successful Response
* @throws ApiError
*/
- public static getDagDetails(
- data: GetDagDetailsData,
- ): CancelablePromise<GetDagDetailsResponse> {
+ public static getDag(data: GetDagData): CancelablePromise<GetDagResponse> {
return __request(OpenAPI, {
method: "GET",
- url: "/public/dags/{dag_id}/details",
+ url: "/public/dags/{dag_id}",
path: {
dag_id: data.dagId,
},
@@ -225,6 +225,33 @@ export class DagService {
},
});
}
+
+ /**
+ * Get Dag Details
+ * Get details of DAG.
+ * @param data The data for the request.
+ * @param data.dagId
+ * @returns DAGDetailsResponse Successful Response
+ * @throws ApiError
+ */
+ public static getDagDetails(
+ data: GetDagDetailsData,
+ ): CancelablePromise<GetDagDetailsResponse> {
+ return __request(OpenAPI, {
+ method: "GET",
+ url: "/public/dags/{dag_id}/details",
+ path: {
+ dag_id: data.dagId,
+ },
+ errors: {
+ 400: "Bad Request",
+ 401: "Unauthorized",
+ 403: "Forbidden",
+ 404: "Not Found",
+ 422: "Unprocessable Entity",
+ },
+ });
+ }
}
export class ConnectionService {
diff --git a/airflow/ui/openapi-gen/requests/types.gen.ts
b/airflow/ui/openapi-gen/requests/types.gen.ts
index 7b5fc54065..368c981b9d 100644
--- a/airflow/ui/openapi-gen/requests/types.gen.ts
+++ b/airflow/ui/openapi-gen/requests/types.gen.ts
@@ -260,11 +260,11 @@ export type PatchDagsData = {
export type PatchDagsResponse = DAGCollectionResponse;
-export type GetDagDetailsData = {
+export type GetDagData = {
dagId: string;
};
-export type GetDagDetailsResponse = DAGDetailsResponse;
+export type GetDagResponse = DAGResponse;
export type PatchDagData = {
dagId: string;
@@ -274,6 +274,12 @@ export type PatchDagData = {
export type PatchDagResponse = DAGResponse;
+export type GetDagDetailsData = {
+ dagId: string;
+};
+
+export type GetDagDetailsResponse = DAGDetailsResponse;
+
export type DeleteConnectionData = {
connectionId: string;
};
@@ -379,14 +385,14 @@ export type $OpenApiTs = {
};
};
};
- "/public/dags/{dag_id}/details": {
+ "/public/dags/{dag_id}": {
get: {
- req: GetDagDetailsData;
+ req: GetDagData;
res: {
/**
* Successful Response
*/
- 200: DAGDetailsResponse;
+ 200: DAGResponse;
/**
* Bad Request
*/
@@ -409,8 +415,6 @@ export type $OpenApiTs = {
422: HTTPExceptionResponse;
};
};
- };
- "/public/dags/{dag_id}": {
patch: {
req: PatchDagData;
res: {
@@ -441,6 +445,37 @@ export type $OpenApiTs = {
};
};
};
+ "/public/dags/{dag_id}/details": {
+ get: {
+ req: GetDagDetailsData;
+ res: {
+ /**
+ * Successful Response
+ */
+ 200: DAGDetailsResponse;
+ /**
+ * Bad Request
+ */
+ 400: HTTPExceptionResponse;
+ /**
+ * Unauthorized
+ */
+ 401: HTTPExceptionResponse;
+ /**
+ * Forbidden
+ */
+ 403: HTTPExceptionResponse;
+ /**
+ * Not Found
+ */
+ 404: HTTPExceptionResponse;
+ /**
+ * Unprocessable Entity
+ */
+ 422: HTTPExceptionResponse;
+ };
+ };
+ };
"/public/connections/{connection_id}": {
delete: {
req: DeleteConnectionData;
diff --git a/tests/api_fastapi/views/public/test_dags.py
b/tests/api_fastapi/views/public/test_dags.py
index 7ac93a2f2e..5512f7bb13 100644
--- a/tests/api_fastapi/views/public/test_dags.py
+++ b/tests/api_fastapi/views/public/test_dags.py
@@ -303,3 +303,51 @@ def test_dag_details(test_client, query_params, dag_id,
expected_status_code, da
"timezone": UTC_JSON_REPR,
}
assert res_json == expected
+
+
[email protected](
+ "query_params, dag_id, expected_status_code, dag_display_name",
+ [
+ ({}, "fake_dag_id", 404, "fake_dag"),
+ ({}, DAG2_ID, 200, DAG2_DISPLAY_NAME),
+ ],
+)
+def test_get_dag(test_client, query_params, dag_id, expected_status_code,
dag_display_name):
+ response = test_client.get(f"/public/dags/{dag_id}", params=query_params)
+ assert response.status_code == expected_status_code
+ if expected_status_code != 200:
+ return
+
+ # Match expected and actual responses below.
+ res_json = response.json()
+ last_parsed_time = res_json["last_parsed_time"]
+ file_token = res_json["file_token"]
+ expected = {
+ "dag_id": dag_id,
+ "dag_display_name": dag_display_name,
+ "description": None,
+ "fileloc": "/opt/airflow/tests/api_fastapi/views/public/test_dags.py",
+ "file_token": file_token,
+ "is_paused": False,
+ "is_active": True,
+ "owners": ["airflow"],
+ "timetable_summary": None,
+ "tags": [],
+ "next_dagrun": None,
+ "has_task_concurrency_limits": True,
+ "next_dagrun_data_interval_start": None,
+ "next_dagrun_data_interval_end": None,
+ "max_active_runs": 16,
+ "max_consecutive_failed_dag_runs": 0,
+ "next_dagrun_create_after": None,
+ "last_expired": None,
+ "max_active_tasks": 16,
+ "last_pickled": None,
+ "default_view": "grid",
+ "last_parsed_time": last_parsed_time,
+ "scheduler_lock": None,
+ "timetable_description": "Never, external triggers only",
+ "has_import_errors": False,
+ "pickle_id": None,
+ }
+ assert res_json == expected
