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from typing import Dict, Optional, Sequence, Tuple, Union
from google.api_core.operation import Operation
from google.api_core.retry import Retry
from google.cloud.orchestration.airflow.service_v1 import EnvironmentsClient, ImageVersionsClient
from google.cloud.orchestration.airflow.service_v1.services.environments.pagers import ListEnvironmentsPager
from google.cloud.orchestration.airflow.service_v1.services.image_versions.pagers import (
ListImageVersionsPager,
)
from google.cloud.orchestration.airflow.service_v1.types import Environment
from google.protobuf.field_mask_pb2 import FieldMask
from airflow import AirflowException
from airflow.providers.google.common.consts import CLIENT_INFO
from airflow.providers.google.common.hooks.base_google import GoogleBaseHook
[docs]class CloudComposerHook(GoogleBaseHook):
"""Hook for Google Cloud Composer APIs."""
[docs] client_options = {'api_endpoint': 'composer.googleapis.com:443'}
[docs] def get_environment_client(self) -> EnvironmentsClient:
"""Retrieves client library object that allow access Environments service."""
return EnvironmentsClient(
credentials=self._get_credentials(),
client_info=CLIENT_INFO,
client_options=self.client_options,
)
[docs] def get_image_versions_client(
self,
) -> ImageVersionsClient:
"""Retrieves client library object that allow access Image Versions service."""
return ImageVersionsClient(
credentials=self._get_credentials(),
client_info=CLIENT_INFO,
client_options=self.client_options,
)
[docs] def wait_for_operation(self, operation: Operation, timeout: Optional[float] = None):
"""Waits for long-lasting operation to complete."""
try:
return operation.result(timeout=timeout)
except Exception:
error = operation.exception(timeout=timeout)
raise AirflowException(error)
[docs] def get_operation(self, operation_name):
return self.get_environment_client().transport.operations_client.get_operation(name=operation_name)
[docs] def get_environment_name(self, project_id, region, environment_id):
return f'projects/{project_id}/locations/{region}/environments/{environment_id}'
[docs] def get_parent(self, project_id, region):
return f'projects/{project_id}/locations/{region}'
@GoogleBaseHook.fallback_to_default_project_id
[docs] def create_environment(
self,
project_id: str,
region: str,
environment: Union[Environment, Dict],
retry: Optional[Retry] = None,
timeout: Optional[float] = None,
metadata: Sequence[Tuple[str, str]] = (),
) -> Operation:
"""
Create a new environment.
:param project_id: Required. The ID of the Google Cloud project that the service belongs to.
:param region: Required. The ID of the Google Cloud region that the service belongs to.
:param environment: The environment to create. This corresponds to the ``environment`` field on the
``request`` instance; if ``request`` is provided, this should not be set.
:param retry: Designation of what errors, if any, should be retried.
:param timeout: The timeout for this request.
:param metadata: Strings which should be sent along with the request as metadata.
"""
client = self.get_environment_client()
result = client.create_environment(
request={'parent': self.get_parent(project_id, region), 'environment': environment},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
@GoogleBaseHook.fallback_to_default_project_id
[docs] def delete_environment(
self,
project_id: str,
region: str,
environment_id: str,
retry: Optional[Retry] = None,
timeout: Optional[float] = None,
metadata: Sequence[Tuple[str, str]] = (),
) -> Operation:
"""
Delete an environment.
:param project_id: Required. The ID of the Google Cloud project that the service belongs to.
:param region: Required. The ID of the Google Cloud region that the service belongs to.
:param environment_id: Required. The ID of the Google Cloud environment that the service belongs to.
:param retry: Designation of what errors, if any, should be retried.
:param timeout: The timeout for this request.
:param metadata: Strings which should be sent along with the request as metadata.
"""
client = self.get_environment_client()
name = self.get_environment_name(project_id, region, environment_id)
result = client.delete_environment(
request={"name": name}, retry=retry, timeout=timeout, metadata=metadata
)
return result
@GoogleBaseHook.fallback_to_default_project_id
[docs] def get_environment(
self,
project_id: str,
region: str,
environment_id: str,
retry: Optional[Retry] = None,
timeout: Optional[float] = None,
metadata: Sequence[Tuple[str, str]] = (),
) -> Environment:
"""
Get an existing environment.
:param project_id: Required. The ID of the Google Cloud project that the service belongs to.
:param region: Required. The ID of the Google Cloud region that the service belongs to.
:param environment_id: Required. The ID of the Google Cloud environment that the service belongs to.
:param retry: Designation of what errors, if any, should be retried.
:param timeout: The timeout for this request.
:param metadata: Strings which should be sent along with the request as metadata.
"""
client = self.get_environment_client()
result = client.get_environment(
request={'name': self.get_environment_name(project_id, region, environment_id)},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
@GoogleBaseHook.fallback_to_default_project_id
[docs] def list_environments(
self,
project_id: str,
region: str,
page_size: Optional[int] = None,
page_token: Optional[str] = None,
retry: Optional[Retry] = None,
timeout: Optional[float] = None,
metadata: Sequence[Tuple[str, str]] = (),
) -> ListEnvironmentsPager:
"""
List environments.
:param project_id: Required. The ID of the Google Cloud project that the service belongs to.
:param region: Required. The ID of the Google Cloud region that the service belongs to.
:param page_size: The maximum number of environments to return.
:param page_token: The next_page_token value returned from a previous List
request, if any.
:param retry: Designation of what errors, if any, should be retried.
:param timeout: The timeout for this request.
:param metadata: Strings which should be sent along with the request as metadata.
"""
client = self.get_environment_client()
result = client.list_environments(
request={
"parent": self.get_parent(project_id, region),
"page_size": page_size,
"page_token": page_token,
},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
@GoogleBaseHook.fallback_to_default_project_id
[docs] def update_environment(
self,
project_id: str,
region: str,
environment_id: str,
environment: Union[Environment, Dict],
update_mask: Union[Dict, FieldMask],
retry: Optional[Retry] = None,
timeout: Optional[float] = None,
metadata: Sequence[Tuple[str, str]] = (),
) -> Operation:
r"""
Update an environment.
:param project_id: Required. The ID of the Google Cloud project that the service belongs to.
:param region: Required. The ID of the Google Cloud region that the service belongs to.
:param environment_id: Required. The ID of the Google Cloud environment that the service belongs to.
:param environment: A patch environment. Fields specified by the ``updateMask`` will be copied from
the patch environment into the environment under update.
This corresponds to the ``environment`` field on the ``request`` instance; if ``request`` is
provided, this should not be set.
:param update_mask: Required. A comma-separated list of paths, relative to ``Environment``, of fields
to update. If a dict is provided, it must be of the same form as the protobuf message
:class:`~google.protobuf.field_mask_pb2.FieldMask`
:param retry: Designation of what errors, if any, should be retried.
:param timeout: The timeout for this request.
:param metadata: Strings which should be sent along with the request as metadata.
"""
client = self.get_environment_client()
name = self.get_environment_name(project_id, region, environment_id)
result = client.update_environment(
request={"name": name, "environment": environment, "update_mask": update_mask},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result
@GoogleBaseHook.fallback_to_default_project_id
[docs] def list_image_versions(
self,
project_id: str,
region: str,
page_size: Optional[int] = None,
page_token: Optional[str] = None,
include_past_releases: bool = False,
retry: Optional[Retry] = None,
timeout: Optional[float] = None,
metadata: Sequence[Tuple[str, str]] = (),
) -> ListImageVersionsPager:
"""
List ImageVersions for provided location.
:param project_id: Required. The ID of the Google Cloud project that the service belongs to.
:param region: Required. The ID of the Google Cloud region that the service belongs to.
:param page_size: The maximum number of environments to return.
:param page_token: The next_page_token value returned from a previous List
request, if any.
:param include_past_releases: Flag to include past releases
:param retry: Designation of what errors, if any, should be retried.
:param timeout: The timeout for this request.
:param metadata: Strings which should be sent along with the request as metadata.
"""
client = self.get_image_versions_client()
result = client.list_image_versions(
request={
'parent': self.get_parent(project_id, region),
"page_size": page_size,
"page_token": page_token,
"include_past_releases": include_past_releases,
},
retry=retry,
timeout=timeout,
metadata=metadata,
)
return result