Source code for airflow.providers.google.cloud.operators.dataproc_metastore

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"""This module contains Google Dataproc Metastore operators."""

from datetime import datetime
from time import sleep
from typing import TYPE_CHECKING, Dict, List, Optional, Sequence, Tuple, Union

from google.api_core.gapic_v1.method import DEFAULT, _MethodDefault
from google.api_core.retry import Retry, exponential_sleep_generator
from google.cloud.metastore_v1 import MetadataExport, MetadataManagementActivity
from google.cloud.metastore_v1.types import Backup, MetadataImport, Service
from google.cloud.metastore_v1.types.metastore import DatabaseDumpSpec, Restore
from google.protobuf.field_mask_pb2 import FieldMask
from googleapiclient.errors import HttpError

from airflow import AirflowException
from airflow.models import BaseOperator, BaseOperatorLink
from airflow.models.xcom import XCom
from airflow.providers.google.cloud.hooks.dataproc_metastore import DataprocMetastoreHook
from airflow.providers.google.common.links.storage import StorageLink

if TYPE_CHECKING:
    from airflow.models.taskinstance import TaskInstanceKey
    from airflow.utils.context import Context












        )



        )


[docs]class DataprocMetastoreCreateBackupOperator(BaseOperator): """ Creates a new backup in a given project and 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 service_id: Required. The ID of the metastore service, which is used as the final component of the metastore service's name. This value must be between 2 and 63 characters long inclusive, begin with a letter, end with a letter or number, and consist of alphanumeric ASCII characters or hyphens. This corresponds to the ``service_id`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param backup: Required. The backup to create. The ``name`` field is ignored. The ID of the created backup must be provided in the request's ``backup_id`` field. This corresponds to the ``backup`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param backup_id: Required. The ID of the backup, which is used as the final component of the backup's name. This value must be between 1 and 64 characters long, begin with a letter, end with a letter or number, and consist of alphanumeric ASCII characters or hyphens. This corresponds to the ``backup_id`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param request_id: Optional. A unique id used to identify the request. :param retry: Optional. Designation of what errors, if any, should be retried. :param timeout: Optional. The timeout for this request. :param metadata: Optional. Strings which should be sent along with the request as metadata. :param gcp_conn_id: The connection ID to use connecting to Google Cloud. :param impersonation_chain: Optional service account to impersonate using short-term credentials, or chained list of accounts required to get the access_token of the last account in the list, which will be impersonated in the request. If set as a string, the account must grant the originating account the Service Account Token Creator IAM role. If set as a sequence, the identities from the list must grant Service Account Token Creator IAM role to the directly preceding identity, with first account from the list granting this role to the originating account (templated). """
[docs] template_fields: Sequence[str] = ( 'project_id', 'backup', 'impersonation_chain',
)
[docs] template_fields_renderers = {'backup': 'json'}
def __init__( self, *, project_id: str, region: str, service_id: str, backup: Union[Dict, Backup], backup_id: str, request_id: Optional[str] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), gcp_conn_id: str = "google_cloud_default", impersonation_chain: Optional[Union[str, Sequence[str]]] = None, **kwargs, ) -> None: super().__init__(**kwargs) self.project_id = project_id self.region = region self.service_id = service_id self.backup = backup self.backup_id = backup_id self.request_id = request_id self.retry = retry self.timeout = timeout self.metadata = metadata self.gcp_conn_id = gcp_conn_id self.impersonation_chain = impersonation_chain
[docs] def execute(self, context: "Context") -> dict: hook = DataprocMetastoreHook( gcp_conn_id=self.gcp_conn_id, impersonation_chain=self.impersonation_chain ) self.log.info("Creating Dataproc Metastore backup: %s", self.backup_id) try: operation = hook.create_backup( project_id=self.project_id, region=self.region, service_id=self.service_id, backup=self.backup, backup_id=self.backup_id, request_id=self.request_id, retry=self.retry, timeout=self.timeout, metadata=self.metadata, ) backup = hook.wait_for_operation(self.timeout, operation) self.log.info("Backup %s created successfully", self.backup_id) except HttpError as err: if err.resp.status not in (409, '409'): raise self.log.info("Backup %s already exists", self.backup_id) backup = hook.get_backup( project_id=self.project_id, region=self.region, service_id=self.service_id, backup_id=self.backup_id, retry=self.retry, timeout=self.timeout, metadata=self.metadata, ) DataprocMetastoreDetailedLink.persist( context=context, task_instance=self, url=METASTORE_BACKUP_LINK, resource=self.backup_id ) return Backup.to_dict(backup)
[docs]class DataprocMetastoreCreateMetadataImportOperator(BaseOperator): """ Creates a new MetadataImport in a given project and 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 service_id: Required. The ID of the metastore service, which is used as the final component of the metastore service's name. This value must be between 2 and 63 characters long inclusive, begin with a letter, end with a letter or number, and consist of alphanumeric ASCII characters or hyphens. This corresponds to the ``service_id`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param metadata_import: Required. The metadata import to create. The ``name`` field is ignored. The ID of the created metadata import must be provided in the request's ``metadata_import_id`` field. This corresponds to the ``metadata_import`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param metadata_import_id: Required. The ID of the metadata import, which is used as the final component of the metadata import's name. This value must be between 1 and 64 characters long, begin with a letter, end with a letter or number, and consist of alphanumeric ASCII characters or hyphens. This corresponds to the ``metadata_import_id`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param request_id: Optional. A unique id used to identify the request. :param retry: Optional. Designation of what errors, if any, should be retried. :param timeout: Optional. The timeout for this request. :param metadata: Optional. Strings which should be sent along with the request as metadata. :param gcp_conn_id: The connection ID to use connecting to Google Cloud. :param impersonation_chain: Optional service account to impersonate using short-term credentials, or chained list of accounts required to get the access_token of the last account in the list, which will be impersonated in the request. If set as a string, the account must grant the originating account the Service Account Token Creator IAM role. If set as a sequence, the identities from the list must grant Service Account Token Creator IAM role to the directly preceding identity, with first account from the list granting this role to the originating account (templated). """
[docs] template_fields: Sequence[str] = ( 'project_id', 'metadata_import', 'impersonation_chain',
)
[docs] template_fields_renderers = {'metadata_import': 'json'}
def __init__( self, *, project_id: str, region: str, service_id: str, metadata_import: MetadataImport, metadata_import_id: str, request_id: Optional[str] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), gcp_conn_id: str = "google_cloud_default", impersonation_chain: Optional[Union[str, Sequence[str]]] = None, **kwargs, ) -> None: super().__init__(**kwargs) self.project_id = project_id self.region = region self.service_id = service_id self.metadata_import = metadata_import self.metadata_import_id = metadata_import_id self.request_id = request_id self.retry = retry self.timeout = timeout self.metadata = metadata self.gcp_conn_id = gcp_conn_id self.impersonation_chain = impersonation_chain
[docs] def execute(self, context: "Context"): hook = DataprocMetastoreHook( gcp_conn_id=self.gcp_conn_id, impersonation_chain=self.impersonation_chain ) self.log.info("Creating Dataproc Metastore metadata import: %s", self.metadata_import_id) operation = hook.create_metadata_import( project_id=self.project_id, region=self.region, service_id=self.service_id, metadata_import=self.metadata_import, metadata_import_id=self.metadata_import_id, request_id=self.request_id, retry=self.retry, timeout=self.timeout, metadata=self.metadata, ) metadata_import = hook.wait_for_operation(self.timeout, operation) self.log.info("Metadata import %s created successfully", self.metadata_import_id) DataprocMetastoreDetailedLink.persist( context=context, task_instance=self, url=METASTORE_IMPORT_LINK, resource=self.metadata_import_id ) return MetadataImport.to_dict(metadata_import)
[docs]class DataprocMetastoreCreateServiceOperator(BaseOperator): """ Creates a metastore service in a project and location. :param region: Required. The ID of the Google Cloud region that the service belongs to. :param project_id: Required. The ID of the Google Cloud project that the service belongs to. :param service: Required. The Metastore service to create. The ``name`` field is ignored. The ID of the created metastore service must be provided in the request's ``service_id`` field. This corresponds to the ``service`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param service_id: Required. The ID of the metastore service, which is used as the final component of the metastore service's name. This value must be between 2 and 63 characters long inclusive, begin with a letter, end with a letter or number, and consist of alphanumeric ASCII characters or hyphens. This corresponds to the ``service_id`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param request_id: Optional. A unique id used to identify the request. :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. :param gcp_conn_id: The connection ID to use connecting to Google Cloud. :param impersonation_chain: Optional service account to impersonate using short-term credentials, or chained list of accounts required to get the access_token of the last account in the list, which will be impersonated in the request. If set as a string, the account must grant the originating account the Service Account Token Creator IAM role. If set as a sequence, the identities from the list must grant Service Account Token Creator IAM role to the directly preceding identity, with first account from the list granting this role to the originating account (templated). """
[docs] template_fields: Sequence[str] = ( 'project_id', 'service', 'impersonation_chain',
)
[docs] template_fields_renderers = {'service': 'json'}
def __init__( self, *, region: str, project_id: str, service: Union[Dict, Service], service_id: str, request_id: Optional[str] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), gcp_conn_id: str = "google_cloud_default", impersonation_chain: Optional[Union[str, Sequence[str]]] = None, **kwargs, ) -> None: super().__init__(**kwargs) self.region = region self.project_id = project_id self.service = service self.service_id = service_id self.request_id = request_id self.retry = retry self.timeout = timeout self.metadata = metadata self.gcp_conn_id = gcp_conn_id self.impersonation_chain = impersonation_chain
[docs] def execute(self, context: "Context") -> dict: hook = DataprocMetastoreHook( gcp_conn_id=self.gcp_conn_id, impersonation_chain=self.impersonation_chain ) self.log.info("Creating Dataproc Metastore service: %s", self.project_id) try: operation = hook.create_service( region=self.region, project_id=self.project_id, service=self.service, service_id=self.service_id, request_id=self.request_id, retry=self.retry, timeout=self.timeout, metadata=self.metadata, ) service = hook.wait_for_operation(self.timeout, operation) self.log.info("Service %s created successfully", self.service_id) except HttpError as err: if err.resp.status not in (409, '409'): raise self.log.info("Instance %s already exists", self.service_id) service = hook.get_service( region=self.region, project_id=self.project_id, service_id=self.service_id, retry=self.retry, timeout=self.timeout, metadata=self.metadata, ) DataprocMetastoreLink.persist(context=context, task_instance=self, url=METASTORE_SERVICE_LINK) return Service.to_dict(service)
[docs]class DataprocMetastoreDeleteBackupOperator(BaseOperator): """ Deletes a single backup. :param project_id: Required. The ID of the Google Cloud project that the backup belongs to. :param region: Required. The ID of the Google Cloud region that the backup belongs to. :param service_id: Required. The ID of the metastore service, which is used as the final component of the metastore service's name. This value must be between 2 and 63 characters long inclusive, begin with a letter, end with a letter or number, and consist of alphanumeric ASCII characters or hyphens. This corresponds to the ``service_id`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param backup_id: Required. The ID of the backup, which is used as the final component of the backup's name. This value must be between 1 and 64 characters long, begin with a letter, end with a letter or number, and consist of alphanumeric ASCII characters or hyphens. This corresponds to the ``backup_id`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param request_id: Optional. A unique id used to identify the request. :param retry: Optional. Designation of what errors, if any, should be retried. :param timeout: Optional. The timeout for this request. :param metadata: Optional. Strings which should be sent along with the request as metadata. :param gcp_conn_id: The connection ID to use connecting to Google Cloud. :param impersonation_chain: Optional service account to impersonate using short-term credentials, or chained list of accounts required to get the access_token of the last account in the list, which will be impersonated in the request. If set as a string, the account must grant the originating account the Service Account Token Creator IAM role. If set as a sequence, the identities from the list must grant Service Account Token Creator IAM role to the directly preceding identity, with first account from the list granting this role to the originating account (templated). """
[docs] template_fields: Sequence[str] = ( 'project_id', 'impersonation_chain',
) def __init__( self, *, project_id: str, region: str, service_id: str, backup_id: str, request_id: Optional[str] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), gcp_conn_id: str = "google_cloud_default", impersonation_chain: Optional[Union[str, Sequence[str]]] = None, **kwargs, ) -> None: super().__init__(**kwargs) self.project_id = project_id self.region = region self.service_id = service_id self.backup_id = backup_id self.request_id = request_id self.retry = retry self.timeout = timeout self.metadata = metadata self.gcp_conn_id = gcp_conn_id self.impersonation_chain = impersonation_chain
[docs] def execute(self, context: "Context") -> None: hook = DataprocMetastoreHook( gcp_conn_id=self.gcp_conn_id, impersonation_chain=self.impersonation_chain ) self.log.info("Deleting Dataproc Metastore backup: %s", self.backup_id) operation = hook.delete_backup( project_id=self.project_id, region=self.region, service_id=self.service_id, backup_id=self.backup_id, request_id=self.request_id, retry=self.retry, timeout=self.timeout, metadata=self.metadata, ) hook.wait_for_operation(self.timeout, operation) self.log.info("Backup %s deleted successfully", self.project_id)
[docs]class DataprocMetastoreDeleteServiceOperator(BaseOperator): """ Deletes a single service. :param request: The request object. Request message for [DataprocMetastore.DeleteService][google.cloud.metastore.v1.DataprocMetastore.DeleteService]. :param project_id: Required. The ID of the Google Cloud project 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. :param gcp_conn_id: """
[docs] template_fields: Sequence[str] = ( 'project_id', 'impersonation_chain',
) def __init__( self, *, region: str, project_id: str, service_id: str, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), gcp_conn_id: str = "google_cloud_default", impersonation_chain: Optional[Union[str, Sequence[str]]] = None, **kwargs, ) -> None: super().__init__(**kwargs) self.region = region self.project_id = project_id self.service_id = service_id self.retry = retry self.timeout = timeout self.metadata = metadata self.gcp_conn_id = gcp_conn_id self.impersonation_chain = impersonation_chain
[docs] def execute(self, context: "Context"): hook = DataprocMetastoreHook( gcp_conn_id=self.gcp_conn_id, impersonation_chain=self.impersonation_chain ) self.log.info("Deleting Dataproc Metastore service: %s", self.project_id) operation = hook.delete_service( region=self.region, project_id=self.project_id, service_id=self.service_id, retry=self.retry, timeout=self.timeout, metadata=self.metadata, ) hook.wait_for_operation(self.timeout, operation) self.log.info("Service %s deleted successfully", self.project_id)
[docs]class DataprocMetastoreExportMetadataOperator(BaseOperator): """ Exports metadata from a service. :param destination_gcs_folder: A Cloud Storage URI of a folder, in the format ``gs://<bucket_name>/<path_inside_bucket>``. A sub-folder ``<export_folder>`` containing exported files will be created below it. :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 service_id: Required. The ID of the metastore service, which is used as the final component of the metastore service's name. This value must be between 2 and 63 characters long inclusive, begin with a letter, end with a letter or number, and consist of alphanumeric ASCII characters or hyphens. This corresponds to the ``service_id`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param request_id: Optional. A unique id used to identify the request. :param retry: Optional. Designation of what errors, if any, should be retried. :param timeout: Optional. The timeout for this request. :param metadata: Optional. Strings which should be sent along with the request as metadata. :param gcp_conn_id: The connection ID to use connecting to Google Cloud. :param impersonation_chain: Optional service account to impersonate using short-term credentials, or chained list of accounts required to get the access_token of the last account in the list, which will be impersonated in the request. If set as a string, the account must grant the originating account the Service Account Token Creator IAM role. If set as a sequence, the identities from the list must grant Service Account Token Creator IAM role to the directly preceding identity, with first account from the list granting this role to the originating account (templated). """
[docs] template_fields: Sequence[str] = ( 'project_id', 'impersonation_chain',
) def __init__( self, *, destination_gcs_folder: str, project_id: str, region: str, service_id: str, request_id: Optional[str] = None, database_dump_type: Optional[DatabaseDumpSpec] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), gcp_conn_id: str = "google_cloud_default", impersonation_chain: Optional[Union[str, Sequence[str]]] = None, **kwargs, ) -> None: super().__init__(**kwargs) self.destination_gcs_folder = destination_gcs_folder self.project_id = project_id self.region = region self.service_id = service_id self.request_id = request_id self.database_dump_type = database_dump_type self.retry = retry self.timeout = timeout self.metadata = metadata self.gcp_conn_id = gcp_conn_id self.impersonation_chain = impersonation_chain
[docs] def execute(self, context: "Context"): hook = DataprocMetastoreHook( gcp_conn_id=self.gcp_conn_id, impersonation_chain=self.impersonation_chain ) self.log.info("Exporting metadata from Dataproc Metastore service: %s", self.service_id) hook.export_metadata( destination_gcs_folder=self.destination_gcs_folder, project_id=self.project_id, region=self.region, service_id=self.service_id, request_id=self.request_id, database_dump_type=self.database_dump_type, retry=self.retry, timeout=self.timeout, metadata=self.metadata, ) metadata_export = self._wait_for_export_metadata(hook) self.log.info("Metadata from service %s exported successfully", self.service_id) DataprocMetastoreLink.persist(context=context, task_instance=self, url=METASTORE_EXPORT_LINK) uri = self._get_uri_from_destination(MetadataExport.to_dict(metadata_export)["destination_gcs_uri"]) StorageLink.persist(context=context, task_instance=self, uri=uri) return MetadataExport.to_dict(metadata_export)
def _get_uri_from_destination(self, destination_uri: str): return destination_uri[5:] if destination_uri.startswith("gs://") else destination_uri def _wait_for_export_metadata(self, hook: DataprocMetastoreHook): """ Workaround to check that export was created successfully. We discovered a issue to parse result to MetadataExport inside the SDK """ for time_to_wait in exponential_sleep_generator(initial=10, maximum=120): sleep(time_to_wait) service = hook.get_service( region=self.region, project_id=self.project_id, service_id=self.service_id, retry=self.retry, timeout=self.timeout, metadata=self.metadata, ) activities: MetadataManagementActivity = service.metadata_management_activity metadata_export: MetadataExport = activities.metadata_exports[0] if metadata_export.state == MetadataExport.State.SUCCEEDED: return metadata_export if metadata_export.state == MetadataExport.State.FAILED: raise AirflowException( f"Exporting metadata from Dataproc Metastore {metadata_export.name} FAILED"
)
[docs]class DataprocMetastoreGetServiceOperator(BaseOperator): """ Gets the details of a single service. :param region: Required. The ID of the Google Cloud region that the service belongs to. :param project_id: Required. The ID of the Google Cloud project that the service belongs to. :param service_id: Required. The ID of the metastore service, which is used as the final component of the metastore service's name. This value must be between 2 and 63 characters long inclusive, begin with a letter, end with a letter or number, and consist of alphanumeric ASCII characters or hyphens. This corresponds to the ``service_id`` 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. :param gcp_conn_id: The connection ID to use connecting to Google Cloud. :param impersonation_chain: Optional service account to impersonate using short-term credentials, or chained list of accounts required to get the access_token of the last account in the list, which will be impersonated in the request. If set as a string, the account must grant the originating account the Service Account Token Creator IAM role. If set as a sequence, the identities from the list must grant Service Account Token Creator IAM role to the directly preceding identity, with first account from the list granting this role to the originating account (templated). """
[docs] template_fields: Sequence[str] = ( 'project_id', 'impersonation_chain',
) def __init__( self, *, region: str, project_id: str, service_id: str, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), gcp_conn_id: str = "google_cloud_default", impersonation_chain: Optional[Union[str, Sequence[str]]] = None, **kwargs, ) -> None: super().__init__(**kwargs) self.region = region self.project_id = project_id self.service_id = service_id self.retry = retry self.timeout = timeout self.metadata = metadata self.gcp_conn_id = gcp_conn_id self.impersonation_chain = impersonation_chain
[docs] def execute(self, context: "Context") -> dict: hook = DataprocMetastoreHook( gcp_conn_id=self.gcp_conn_id, impersonation_chain=self.impersonation_chain ) self.log.info("Gets the details of a single Dataproc Metastore service: %s", self.project_id) result = hook.get_service( region=self.region, project_id=self.project_id, service_id=self.service_id, retry=self.retry, timeout=self.timeout, metadata=self.metadata, ) DataprocMetastoreLink.persist(context=context, task_instance=self, url=METASTORE_SERVICE_LINK) return Service.to_dict(result)
[docs]class DataprocMetastoreListBackupsOperator(BaseOperator): """ Lists backups in a service. :param project_id: Required. The ID of the Google Cloud project that the backup belongs to. :param region: Required. The ID of the Google Cloud region that the backup belongs to. :param service_id: Required. The ID of the metastore service, which is used as the final component of the metastore service's name. This value must be between 2 and 63 characters long inclusive, begin with a letter, end with a letter or number, and consist of alphanumeric ASCII characters or hyphens. This corresponds to the ``service_id`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param retry: Optional. Designation of what errors, if any, should be retried. :param timeout: Optional. The timeout for this request. :param metadata: Optional. Strings which should be sent along with the request as metadata. :param gcp_conn_id: The connection ID to use connecting to Google Cloud. :param impersonation_chain: Optional service account to impersonate using short-term credentials, or chained list of accounts required to get the access_token of the last account in the list, which will be impersonated in the request. If set as a string, the account must grant the originating account the Service Account Token Creator IAM role. If set as a sequence, the identities from the list must grant Service Account Token Creator IAM role to the directly preceding identity, with first account from the list granting this role to the originating account (templated). """
[docs] template_fields: Sequence[str] = ( 'project_id', 'impersonation_chain',
) def __init__( self, *, project_id: str, region: str, service_id: str, page_size: Optional[int] = None, page_token: Optional[str] = None, filter: Optional[str] = None, order_by: Optional[str] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), gcp_conn_id: str = "google_cloud_default", impersonation_chain: Optional[Union[str, Sequence[str]]] = None, **kwargs, ) -> None: super().__init__(**kwargs) self.project_id = project_id self.region = region self.service_id = service_id self.page_size = page_size self.page_token = page_token self.filter = filter self.order_by = order_by self.retry = retry self.timeout = timeout self.metadata = metadata self.gcp_conn_id = gcp_conn_id self.impersonation_chain = impersonation_chain
[docs] def execute(self, context: "Context") -> List[dict]: hook = DataprocMetastoreHook( gcp_conn_id=self.gcp_conn_id, impersonation_chain=self.impersonation_chain ) self.log.info("Listing Dataproc Metastore backups: %s", self.service_id) backups = hook.list_backups( project_id=self.project_id, region=self.region, service_id=self.service_id, page_size=self.page_size, page_token=self.page_token, filter=self.filter, order_by=self.order_by, retry=self.retry, timeout=self.timeout, metadata=self.metadata, ) DataprocMetastoreLink.persist(context=context, task_instance=self, url=METASTORE_BACKUPS_LINK) return [Backup.to_dict(backup) for backup in backups]
[docs]class DataprocMetastoreRestoreServiceOperator(BaseOperator): """ Restores a service from a backup. :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 service_id: Required. The ID of the metastore service, which is used as the final component of the metastore service's name. This value must be between 2 and 63 characters long inclusive, begin with a letter, end with a letter or number, and consist of alphanumeric ASCII characters or hyphens. This corresponds to the ``service_id`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param backup_project_id: Required. The ID of the Google Cloud project that the metastore service backup to restore from. :param backup_region: Required. The ID of the Google Cloud region that the metastore service backup to restore from. :param backup_service_id: Required. The ID of the metastore service backup to restore from, which is used as the final component of the metastore service's name. This value must be between 2 and 63 characters long inclusive, begin with a letter, end with a letter or number, and consist of alphanumeric ASCII characters or hyphens. :param backup_id: Required. The ID of the metastore service backup to restore from :param restore_type: Optional. The type of restore. If unspecified, defaults to ``METADATA_ONLY`` :param request_id: Optional. A unique id used to identify the request. :param retry: Optional. Designation of what errors, if any, should be retried. :param timeout: Optional. The timeout for this request. :param metadata: Optional. Strings which should be sent along with the request as metadata. :param gcp_conn_id: The connection ID to use connecting to Google Cloud. :param impersonation_chain: Optional service account to impersonate using short-term credentials, or chained list of accounts required to get the access_token of the last account in the list, which will be impersonated in the request. If set as a string, the account must grant the originating account the Service Account Token Creator IAM role. If set as a sequence, the identities from the list must grant Service Account Token Creator IAM role to the directly preceding identity, with first account from the list granting this role to the originating account (templated). """
[docs] template_fields: Sequence[str] = ( 'project_id', 'impersonation_chain',
) def __init__( self, *, project_id: str, region: str, service_id: str, backup_project_id: str, backup_region: str, backup_service_id: str, backup_id: str, restore_type: Optional[Restore] = None, request_id: Optional[str] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), gcp_conn_id: str = "google_cloud_default", impersonation_chain: Optional[Union[str, Sequence[str]]] = None, **kwargs, ) -> None: super().__init__(**kwargs) self.project_id = project_id self.region = region self.service_id = service_id self.backup_project_id = backup_project_id self.backup_region = backup_region self.backup_service_id = backup_service_id self.backup_id = backup_id self.restore_type = restore_type self.request_id = request_id self.retry = retry self.timeout = timeout self.metadata = metadata self.gcp_conn_id = gcp_conn_id self.impersonation_chain = impersonation_chain
[docs] def execute(self, context: "Context"): hook = DataprocMetastoreHook( gcp_conn_id=self.gcp_conn_id, impersonation_chain=self.impersonation_chain ) self.log.info( "Restoring Dataproc Metastore service: %s from backup: %s", self.service_id, self.backup_id ) hook.restore_service( project_id=self.project_id, region=self.region, service_id=self.service_id, backup_project_id=self.backup_project_id, backup_region=self.backup_region, backup_service_id=self.backup_service_id, backup_id=self.backup_id, restore_type=self.restore_type, request_id=self.request_id, retry=self.retry, timeout=self.timeout, metadata=self.metadata, ) self._wait_for_restore_service(hook) self.log.info("Service %s restored from backup %s", self.service_id, self.backup_id) DataprocMetastoreLink.persist(context=context, task_instance=self, url=METASTORE_SERVICE_LINK)
def _wait_for_restore_service(self, hook: DataprocMetastoreHook): """ Workaround to check that restore service was finished successfully. We discovered an issue to parse result to Restore inside the SDK """ for time_to_wait in exponential_sleep_generator(initial=10, maximum=120): sleep(time_to_wait) service = hook.get_service( region=self.region, project_id=self.project_id, service_id=self.service_id, retry=self.retry, timeout=self.timeout, metadata=self.metadata, ) activities: MetadataManagementActivity = service.metadata_management_activity restore_service: Restore = activities.restores[0] if restore_service.state == Restore.State.SUCCEEDED: return restore_service if restore_service.state == Restore.State.FAILED: raise AirflowException("Restoring service FAILED")
[docs]class DataprocMetastoreUpdateServiceOperator(BaseOperator): """ Updates the parameters of a single service. :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 service_id: Required. The ID of the metastore service, which is used as the final component of the metastore service's name. This value must be between 2 and 63 characters long inclusive, begin with a letter, end with a letter or number, and consist of alphanumeric ASCII characters or hyphens. This corresponds to the ``service_id`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param service: Required. The metastore service to update. The server only merges fields in the service if they are specified in ``update_mask``. The metastore service's ``name`` field is used to identify the metastore service to be updated. This corresponds to the ``service`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param update_mask: Required. A field mask used to specify the fields to be overwritten in the metastore service resource by the update. Fields specified in the ``update_mask`` are relative to the resource (not to the full request). A field is overwritten if it is in the mask. This corresponds to the ``update_mask`` field on the ``request`` instance; if ``request`` is provided, this should not be set. :param request_id: Optional. A unique id used to identify the request. :param retry: Optional. Designation of what errors, if any, should be retried. :param timeout: Optional. The timeout for this request. :param metadata: Optional. Strings which should be sent along with the request as metadata. :param gcp_conn_id: The connection ID to use connecting to Google Cloud. :param impersonation_chain: Optional service account to impersonate using short-term credentials, or chained list of accounts required to get the access_token of the last account in the list, which will be impersonated in the request. If set as a string, the account must grant the originating account the Service Account Token Creator IAM role. If set as a sequence, the identities from the list must grant Service Account Token Creator IAM role to the directly preceding identity, with first account from the list granting this role to the originating account (templated). """
[docs] template_fields: Sequence[str] = ( 'project_id', 'impersonation_chain',
) def __init__( self, *, project_id: str, region: str, service_id: str, service: Union[Dict, Service], update_mask: FieldMask, request_id: Optional[str] = None, retry: Union[Retry, _MethodDefault] = DEFAULT, timeout: Optional[float] = None, metadata: Sequence[Tuple[str, str]] = (), gcp_conn_id: str = "google_cloud_default", impersonation_chain: Optional[Union[str, Sequence[str]]] = None, **kwargs, ) -> None: super().__init__(**kwargs) self.project_id = project_id self.region = region self.service_id = service_id self.service = service self.update_mask = update_mask self.request_id = request_id self.retry = retry self.timeout = timeout self.metadata = metadata self.gcp_conn_id = gcp_conn_id self.impersonation_chain = impersonation_chain
[docs] def execute(self, context: "Context"): hook = DataprocMetastoreHook( gcp_conn_id=self.gcp_conn_id, impersonation_chain=self.impersonation_chain ) self.log.info("Updating Dataproc Metastore service: %s", self.service.get("name")) operation = hook.update_service( project_id=self.project_id, region=self.region, service_id=self.service_id, service=self.service, update_mask=self.update_mask, request_id=self.request_id, retry=self.retry, timeout=self.timeout, metadata=self.metadata, ) hook.wait_for_operation(self.timeout, operation) self.log.info("Service %s updated successfully", self.service.get("name")) DataprocMetastoreLink.persist(context=context, task_instance=self, url=METASTORE_SERVICE_LINK)

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