Source code for airflow.providers.google.cloud.operators.dataproc
## Licensed to the Apache Software Foundation (ASF) under one# or more contributor license agreements. See the NOTICE file# distributed with this work for additional information# regarding copyright ownership. The ASF licenses this file# to you under the Apache License, Version 2.0 (the# "License"); you may not use this file except in compliance# with the License. You may obtain a copy of the License at## http://www.apache.org/licenses/LICENSE-2.0## Unless required by applicable law or agreed to in writing,# software distributed under the License is distributed on an# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY# KIND, either express or implied. See the License for the# specific language governing permissions and limitations# under the License."""This module contains Google Dataproc operators."""from__future__importannotationsimportinspectimportntpathimportosimportreimporttimeimportuuidimportwarningsfromdatetimeimportdatetime,timedeltafromenumimportEnumfromtypingimportTYPE_CHECKING,Any,Sequencefromgoogle.api_coreimportoperation# type: ignorefromgoogle.api_core.exceptionsimportAlreadyExists,NotFoundfromgoogle.api_core.gapic_v1.methodimportDEFAULT,_MethodDefaultfromgoogle.api_core.retryimportRetry,exponential_sleep_generatorfromgoogle.cloud.dataproc_v1importBatch,Cluster,ClusterStatus,JobStatusfromgoogle.protobuf.duration_pb2importDurationfromgoogle.protobuf.field_mask_pb2importFieldMaskfromairflow.configurationimportconffromairflow.exceptionsimportAirflowException,AirflowProviderDeprecationWarningfromairflow.providers.google.cloud.hooks.dataprocimportDataprocHook,DataProcJobBuilderfromairflow.providers.google.cloud.hooks.gcsimportGCSHookfromairflow.providers.google.cloud.links.dataprocimport(DATAPROC_BATCH_LINK,DATAPROC_CLUSTER_LINK_DEPRECATED,DATAPROC_JOB_LINK_DEPRECATED,DataprocBatchesListLink,DataprocBatchLink,DataprocClusterLink,DataprocJobLink,DataprocLink,DataprocWorkflowLink,DataprocWorkflowTemplateLink,)fromairflow.providers.google.cloud.operators.cloud_baseimportGoogleCloudBaseOperatorfromairflow.providers.google.cloud.triggers.dataprocimport(DataprocBatchTrigger,DataprocClusterTrigger,DataprocDeleteClusterTrigger,DataprocSubmitTrigger,DataprocWorkflowTrigger,)fromairflow.utilsimporttimezoneifTYPE_CHECKING:fromairflow.utils.contextimportContext
[docs]classPreemptibilityType(Enum):"""Contains possible Type values of Preemptibility applicable for every secondary worker of Cluster."""
[docs]classClusterGenerator:"""Create a new Dataproc Cluster. :param cluster_name: The name of the DataProc cluster to create. (templated) :param project_id: The ID of the google cloud project in which to create the cluster. (templated) :param num_workers: The # of workers to spin up. If set to zero will spin up cluster in a single node mode :param storage_bucket: The storage bucket to use, setting to None lets dataproc generate a custom one for you :param init_actions_uris: List of GCS uri's containing dataproc initialization scripts :param init_action_timeout: Amount of time executable scripts in init_actions_uris has to complete :param metadata: dict of key-value google compute engine metadata entries to add to all instances :param image_version: the version of software inside the Dataproc cluster :param custom_image: custom Dataproc image for more info see https://cloud.google.com/dataproc/docs/guides/dataproc-images :param custom_image_project_id: project id for the custom Dataproc image, for more info see https://cloud.google.com/dataproc/docs/guides/dataproc-images :param custom_image_family: family for the custom Dataproc image, family name can be provide using --family flag while creating custom image, for more info see https://cloud.google.com/dataproc/docs/guides/dataproc-images :param autoscaling_policy: The autoscaling policy used by the cluster. Only resource names including projectid and location (region) are valid. Example: ``projects/[projectId]/locations/[dataproc_region]/autoscalingPolicies/[policy_id]`` :param properties: dict of properties to set on config files (e.g. spark-defaults.conf), see https://cloud.google.com/dataproc/docs/reference/rest/v1/projects.regions.clusters#SoftwareConfig :param optional_components: List of optional cluster components, for more info see https://cloud.google.com/dataproc/docs/reference/rest/v1/ClusterConfig#Component :param num_masters: The # of master nodes to spin up :param master_machine_type: Compute engine machine type to use for the primary node :param master_disk_type: Type of the boot disk for the primary node (default is ``pd-standard``). Valid values: ``pd-ssd`` (Persistent Disk Solid State Drive) or ``pd-standard`` (Persistent Disk Hard Disk Drive). :param master_disk_size: Disk size for the primary node :param worker_machine_type: Compute engine machine type to use for the worker nodes :param worker_disk_type: Type of the boot disk for the worker node (default is ``pd-standard``). Valid values: ``pd-ssd`` (Persistent Disk Solid State Drive) or ``pd-standard`` (Persistent Disk Hard Disk Drive). :param worker_disk_size: Disk size for the worker nodes :param num_preemptible_workers: The # of VM instances in the instance group as secondary workers inside the cluster with Preemptibility enabled by default. Note, that it is not possible to mix non-preemptible and preemptible secondary workers in one cluster. :param preemptibility: The type of Preemptibility applicable for every secondary worker, see https://cloud.google.com/dataproc/docs/reference/rpc/ \ google.cloud.dataproc.v1#google.cloud.dataproc.v1.InstanceGroupConfig.Preemptibility :param zone: The zone where the cluster will be located. Set to None to auto-zone. (templated) :param network_uri: The network uri to be used for machine communication, cannot be specified with subnetwork_uri :param subnetwork_uri: The subnetwork uri to be used for machine communication, cannot be specified with network_uri :param internal_ip_only: If true, all instances in the cluster will only have internal IP addresses. This can only be enabled for subnetwork enabled networks :param tags: The GCE tags to add to all instances :param region: The specified region where the dataproc cluster is created. :param gcp_conn_id: The connection ID to use connecting to Google Cloud. :param service_account: The service account of the dataproc instances. :param service_account_scopes: The URIs of service account scopes to be included. :param idle_delete_ttl: The longest duration that cluster would keep alive while staying idle. Passing this threshold will cause cluster to be auto-deleted. A duration in seconds. :param auto_delete_time: The time when cluster will be auto-deleted. :param auto_delete_ttl: The life duration of cluster, the cluster will be auto-deleted at the end of this duration. A duration in seconds. (If auto_delete_time is set this parameter will be ignored) :param customer_managed_key: The customer-managed key used for disk encryption ``projects/[PROJECT_STORING_KEYS]/locations/[LOCATION]/keyRings/[KEY_RING_NAME]/cryptoKeys/[KEY_NAME]`` # noqa :param enable_component_gateway: Provides access to the web interfaces of default and selected optional components on the cluster. """# noqa: E501def__init__(self,project_id:str,num_workers:int|None=None,zone:str|None=None,network_uri:str|None=None,subnetwork_uri:str|None=None,internal_ip_only:bool|None=None,tags:list[str]|None=None,storage_bucket:str|None=None,init_actions_uris:list[str]|None=None,init_action_timeout:str="10m",metadata:dict|None=None,custom_image:str|None=None,custom_image_project_id:str|None=None,custom_image_family:str|None=None,image_version:str|None=None,autoscaling_policy:str|None=None,properties:dict|None=None,optional_components:list[str]|None=None,num_masters:int=1,master_machine_type:str="n1-standard-4",master_disk_type:str="pd-standard",master_disk_size:int=1024,worker_machine_type:str="n1-standard-4",worker_disk_type:str="pd-standard",worker_disk_size:int=1024,num_preemptible_workers:int=0,preemptibility:str=PreemptibilityType.PREEMPTIBLE.value,service_account:str|None=None,service_account_scopes:list[str]|None=None,idle_delete_ttl:int|None=None,auto_delete_time:datetime|None=None,auto_delete_ttl:int|None=None,customer_managed_key:str|None=None,enable_component_gateway:bool|None=False,**kwargs,)->None:self.project_id=project_idself.num_masters=num_mastersself.num_workers=num_workersself.num_preemptible_workers=num_preemptible_workersself.preemptibility=self._set_preemptibility_type(preemptibility)self.storage_bucket=storage_bucketself.init_actions_uris=init_actions_urisself.init_action_timeout=init_action_timeoutself.metadata=metadataself.custom_image=custom_imageself.custom_image_project_id=custom_image_project_idself.custom_image_family=custom_image_familyself.image_version=image_versionself.properties=propertiesor{}self.optional_components=optional_componentsself.master_machine_type=master_machine_typeself.master_disk_type=master_disk_typeself.master_disk_size=master_disk_sizeself.autoscaling_policy=autoscaling_policyself.worker_machine_type=worker_machine_typeself.worker_disk_type=worker_disk_typeself.worker_disk_size=worker_disk_sizeself.zone=zoneself.network_uri=network_uriself.subnetwork_uri=subnetwork_uriself.internal_ip_only=internal_ip_onlyself.tags=tagsself.service_account=service_accountself.service_account_scopes=service_account_scopesself.idle_delete_ttl=idle_delete_ttlself.auto_delete_time=auto_delete_timeself.auto_delete_ttl=auto_delete_ttlself.customer_managed_key=customer_managed_keyself.enable_component_gateway=enable_component_gatewayself.single_node=num_workers==0ifself.custom_imageandself.image_version:raiseValueError("The custom_image and image_version can't be both set")ifself.custom_image_familyandself.image_version:raiseValueError("The image_version and custom_image_family can't be both set")ifself.custom_image_familyandself.custom_image:raiseValueError("The custom_image and custom_image_family can't be both set")ifself.single_nodeandself.num_preemptible_workers>0:raiseValueError("Single node cannot have preemptible workers.")def_set_preemptibility_type(self,preemptibility:str):returnPreemptibilityType(preemptibility.upper())def_get_init_action_timeout(self)->dict:match=re.match(r"^(\d+)([sm])$",self.init_action_timeout)ifmatch:val=float(match.group(1))ifmatch.group(2)=="s":return{"seconds":int(val)}elifmatch.group(2)=="m":return{"seconds":int(timedelta(minutes=val).total_seconds())}raiseAirflowException("DataprocClusterCreateOperator init_action_timeout"" should be expressed in minutes or seconds. i.e. 10m, 30s")def_build_gce_cluster_config(self,cluster_data):# This variable is created since same string was being used multiple timesconfig="gce_cluster_config"ifself.zone:zone_uri=f"https://www.googleapis.com/compute/v1/projects/{self.project_id}/zones/{self.zone}"cluster_data[config]["zone_uri"]=zone_uriifself.metadata:cluster_data[config]["metadata"]=self.metadataifself.network_uri:cluster_data[config]["network_uri"]=self.network_uriifself.subnetwork_uri:cluster_data[config]["subnetwork_uri"]=self.subnetwork_uriifself.internal_ip_only:ifnotself.subnetwork_uri:raiseAirflowException("Set internal_ip_only to true only when you pass a subnetwork_uri.")cluster_data[config]["internal_ip_only"]=Trueifself.tags:cluster_data[config]["tags"]=self.tagsifself.service_account:cluster_data[config]["service_account"]=self.service_accountifself.service_account_scopes:cluster_data[config]["service_account_scopes"]=self.service_account_scopesreturncluster_datadef_build_lifecycle_config(self,cluster_data):# This variable is created since same string was being used multiple timeslifecycle_config="lifecycle_config"ifself.idle_delete_ttl:cluster_data[lifecycle_config]["idle_delete_ttl"]={"seconds":self.idle_delete_ttl}ifself.auto_delete_time:utc_auto_delete_time=timezone.convert_to_utc(self.auto_delete_time)cluster_data[lifecycle_config]["auto_delete_time"]=utc_auto_delete_time.strftime("%Y-%m-%dT%H:%M:%S.%fZ")elifself.auto_delete_ttl:cluster_data[lifecycle_config]["auto_delete_ttl"]={"seconds":int(self.auto_delete_ttl)}returncluster_datadef_build_cluster_data(self):ifself.zone:master_type_uri=(f"projects/{self.project_id}/zones/{self.zone}/machineTypes/{self.master_machine_type}")worker_type_uri=(f"projects/{self.project_id}/zones/{self.zone}/machineTypes/{self.worker_machine_type}")else:master_type_uri=self.master_machine_typeworker_type_uri=self.worker_machine_typecluster_data={"gce_cluster_config":{},"master_config":{"num_instances":self.num_masters,"machine_type_uri":master_type_uri,"disk_config":{"boot_disk_type":self.master_disk_type,"boot_disk_size_gb":self.master_disk_size,},},"worker_config":{"num_instances":self.num_workers,"machine_type_uri":worker_type_uri,"disk_config":{"boot_disk_type":self.worker_disk_type,"boot_disk_size_gb":self.worker_disk_size,},},"secondary_worker_config":{},"software_config":{},"lifecycle_config":{},"encryption_config":{},"autoscaling_config":{},"endpoint_config":{},}ifself.num_preemptible_workers>0:cluster_data["secondary_worker_config"]={"num_instances":self.num_preemptible_workers,"machine_type_uri":worker_type_uri,"disk_config":{"boot_disk_type":self.worker_disk_type,"boot_disk_size_gb":self.worker_disk_size,},"is_preemptible":True,"preemptibility":self.preemptibility.value,}ifself.storage_bucket:cluster_data["config_bucket"]=self.storage_bucketifself.image_version:cluster_data["software_config"]["image_version"]=self.image_versionelifself.custom_image:project_id=self.custom_image_project_idorself.project_idcustom_image_url=(f"https://www.googleapis.com/compute/beta/projects/{project_id}"f"/global/images/{self.custom_image}")cluster_data["master_config"]["image_uri"]=custom_image_urlifnotself.single_node:cluster_data["worker_config"]["image_uri"]=custom_image_urlelifself.custom_image_family:project_id=self.custom_image_project_idorself.project_idcustom_image_url=("https://www.googleapis.com/compute/beta/projects/"f"{project_id}/global/images/family/{self.custom_image_family}")cluster_data["master_config"]["image_uri"]=custom_image_urlifnotself.single_node:cluster_data["worker_config"]["image_uri"]=custom_image_urlcluster_data=self._build_gce_cluster_config(cluster_data)ifself.single_node:self.properties["dataproc:dataproc.allow.zero.workers"]="true"ifself.properties:cluster_data["software_config"]["properties"]=self.propertiesifself.optional_components:cluster_data["software_config"]["optional_components"]=self.optional_componentscluster_data=self._build_lifecycle_config(cluster_data)ifself.init_actions_uris:init_actions_dict=[{"executable_file":uri,"execution_timeout":self._get_init_action_timeout()}foruriinself.init_actions_uris]cluster_data["initialization_actions"]=init_actions_dictifself.customer_managed_key:cluster_data["encryption_config"]={"gce_pd_kms_key_name":self.customer_managed_key}ifself.autoscaling_policy:cluster_data["autoscaling_config"]={"policy_uri":self.autoscaling_policy}ifself.enable_component_gateway:cluster_data["endpoint_config"]={"enable_http_port_access":self.enable_component_gateway}returncluster_data
[docs]classDataprocCreateClusterOperator(GoogleCloudBaseOperator):"""Create a new cluster on Google Cloud Dataproc. The operator will wait until the creation is successful or an error occurs in the creation process. If the cluster already exists and ``use_if_exists`` is True, the operator will: If the cluster already exists and ``use_if_exists`` is True then the operator will: - if cluster state is ERROR then delete it if specified and raise error - if cluster state is CREATING wait for it and then check for ERROR state - if cluster state is DELETING wait for it and then create new cluster Please refer to https://cloud.google.com/dataproc/docs/reference/rest/v1/projects.regions.clusters for a detailed explanation on the different parameters. Most of the configuration parameters detailed in the link are available as a parameter to this operator. .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:DataprocCreateClusterOperator` :param project_id: The ID of the Google cloud project in which to create the cluster. (templated) :param cluster_name: Name of the cluster to create :param labels: Labels that will be assigned to created cluster. Please, notice that adding labels to ClusterConfig object in cluster_config parameter will not lead to adding labels to the cluster. Labels for the clusters could be only set by passing values to parameter of DataprocCreateCluster operator. :param cluster_config: Required. The cluster config to create. If a dict is provided, it must be of the same form as the protobuf message :class:`~google.cloud.dataproc_v1.types.ClusterConfig` :param virtual_cluster_config: Optional. The virtual cluster config, used when creating a Dataproc cluster that does not directly control the underlying compute resources, for example, when creating a `Dataproc-on-GKE cluster <https://cloud.google.com/dataproc/docs/concepts/jobs/dataproc-gke#create-a-dataproc-on-gke-cluster>` :param region: The specified region where the dataproc cluster is created. :param delete_on_error: If true the cluster will be deleted if created with ERROR state. Default value is true. :param use_if_exists: If true use existing cluster :param request_id: Optional. A unique id used to identify the request. If the server receives two ``DeleteClusterRequest`` requests with the same id, then the second request will be ignored and the first ``google.longrunning.Operation`` created and stored in the backend is returned. :param retry: A retry object used to retry requests. If ``None`` is specified, requests will not be retried. :param timeout: The amount of time, in seconds, to wait for the request to complete. Note that if ``retry`` is specified, the timeout applies to each individual attempt. :param metadata: Additional metadata that is provided to the method. :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). :param deferrable: Run operator in the deferrable mode. :param polling_interval_seconds: Time (seconds) to wait between calls to check the run status. """
def__init__(self,*,cluster_name:str,region:str,project_id:str|None=None,cluster_config:dict|Cluster|None=None,virtual_cluster_config:dict|None=None,labels:dict|None=None,request_id:str|None=None,delete_on_error:bool=True,use_if_exists:bool=True,retry:Retry|_MethodDefault=DEFAULT,timeout:float=1*60*60,metadata:Sequence[tuple[str,str]]=(),gcp_conn_id:str="google_cloud_default",impersonation_chain:str|Sequence[str]|None=None,deferrable:bool=conf.getboolean("operators","default_deferrable",fallback=False),polling_interval_seconds:int=10,**kwargs,)->None:# TODO: remove one dayifcluster_configisNoneandvirtual_cluster_configisNone:warnings.warn(f"Passing cluster parameters by keywords to `{type(self).__name__}` will be deprecated. ""Please provide cluster_config object using `cluster_config` parameter. ""You can use `airflow.dataproc.ClusterGenerator.generate_cluster` ""method to obtain cluster object.",AirflowProviderDeprecationWarning,stacklevel=1,)# Remove result of apply defaultsif"params"inkwargs:delkwargs["params"]# Create cluster object from kwargsifproject_idisNone:raiseAirflowException("project_id argument is required when building cluster from keywords parameters")kwargs["project_id"]=project_idcluster_config=ClusterGenerator(**kwargs).make()# Remove from kwargs cluster params passed for backward compatibilitycluster_params=inspect.signature(ClusterGenerator.__init__).parametersforargincluster_params:ifarginkwargs:delkwargs[arg]super().__init__(**kwargs)ifdeferrableandpolling_interval_seconds<=0:raiseValueError("Invalid value for polling_interval_seconds. Expected value greater than 0")self.cluster_config=cluster_configself.cluster_name=cluster_nameself.labels=labelsself.project_id=project_idself.region=regionself.request_id=request_idself.retry=retryself.timeout=timeoutself.metadata=metadataself.gcp_conn_id=gcp_conn_idself.delete_on_error=delete_on_errorself.use_if_exists=use_if_existsself.impersonation_chain=impersonation_chainself.virtual_cluster_config=virtual_cluster_configself.deferrable=deferrableself.polling_interval_seconds=polling_interval_secondsdef_create_cluster(self,hook:DataprocHook):returnhook.create_cluster(project_id=self.project_id,region=self.region,cluster_name=self.cluster_name,labels=self.labels,cluster_config=self.cluster_config,virtual_cluster_config=self.virtual_cluster_config,request_id=self.request_id,retry=self.retry,timeout=self.timeout,metadata=self.metadata,)def_delete_cluster(self,hook):self.log.info("Deleting the cluster")hook.delete_cluster(region=self.region,cluster_name=self.cluster_name,project_id=self.project_id)def_get_cluster(self,hook:DataprocHook)->Cluster:returnhook.get_cluster(project_id=self.project_id,region=self.region,cluster_name=self.cluster_name,retry=self.retry,timeout=self.timeout,metadata=self.metadata,)def_handle_error_state(self,hook:DataprocHook,cluster:Cluster)->None:ifcluster.status.state!=cluster.status.State.ERROR:returnself.log.info("Cluster is in ERROR state")gcs_uri=hook.diagnose_cluster(region=self.region,cluster_name=self.cluster_name,project_id=self.project_id)self.log.info("Diagnostic information for cluster %s available at: %s",self.cluster_name,gcs_uri)ifself.delete_on_error:self._delete_cluster(hook)raiseAirflowException("Cluster was created but was in ERROR state.")raiseAirflowException("Cluster was created but is in ERROR state")def_wait_for_cluster_in_deleting_state(self,hook:DataprocHook)->None:time_left=self.timeoutfortime_to_sleepinexponential_sleep_generator(initial=10,maximum=120):iftime_left<0:raiseAirflowException(f"Cluster {self.cluster_name} is still DELETING state, aborting")time.sleep(time_to_sleep)time_left=time_left-time_to_sleeptry:self._get_cluster(hook)exceptNotFound:breakdef_wait_for_cluster_in_creating_state(self,hook:DataprocHook)->Cluster:time_left=self.timeoutcluster=self._get_cluster(hook)fortime_to_sleepinexponential_sleep_generator(initial=10,maximum=120):ifcluster.status.state!=cluster.status.State.CREATING:breakiftime_left<0:raiseAirflowException(f"Cluster {self.cluster_name} is still CREATING state, aborting")time.sleep(time_to_sleep)time_left=time_left-time_to_sleepcluster=self._get_cluster(hook)returncluster
[docs]defexecute(self,context:Context)->dict:self.log.info("Creating cluster: %s",self.cluster_name)hook=DataprocHook(gcp_conn_id=self.gcp_conn_id,impersonation_chain=self.impersonation_chain)# Save data required to display extra link no matter what the cluster status will beproject_id=self.project_idorhook.project_idifproject_id:DataprocClusterLink.persist(context=context,operator=self,cluster_id=self.cluster_name,project_id=project_id,region=self.region,)try:# First try to create a new clusteroperation=self._create_cluster(hook)ifnotself.deferrable:cluster=hook.wait_for_operation(timeout=self.timeout,result_retry=self.retry,operation=operation)self.log.info("Cluster created.")returnCluster.to_dict(cluster)else:self.defer(trigger=DataprocClusterTrigger(cluster_name=self.cluster_name,project_id=self.project_id,region=self.region,gcp_conn_id=self.gcp_conn_id,impersonation_chain=self.impersonation_chain,polling_interval_seconds=self.polling_interval_seconds,),method_name="execute_complete",)exceptAlreadyExists:ifnotself.use_if_exists:raiseself.log.info("Cluster already exists.")cluster=self._get_cluster(hook)# Check if cluster is not in ERROR stateself._handle_error_state(hook,cluster)ifcluster.status.state==cluster.status.State.CREATING:# Wait for cluster to be createdcluster=self._wait_for_cluster_in_creating_state(hook)self._handle_error_state(hook,cluster)elifcluster.status.state==cluster.status.State.DELETING:# Wait for cluster to be deletedself._wait_for_cluster_in_deleting_state(hook)# Create new clustercluster=self._create_cluster(hook)self._handle_error_state(hook,cluster)returnCluster.to_dict(cluster)
[docs]defexecute_complete(self,context:Context,event:dict[str,Any])->Any:""" Callback for when the trigger fires - returns immediately. Relies on trigger to throw an exception, otherwise it assumes execution was successful. """cluster_state=event["cluster_state"]cluster_name=event["cluster_name"]ifcluster_state==ClusterStatus.State.ERROR:raiseAirflowException(f"Cluster is in ERROR state:\n{cluster_name}")self.log.info("%s completed successfully.",self.task_id)returnevent["cluster"]
[docs]classDataprocScaleClusterOperator(GoogleCloudBaseOperator):"""Scale, up or down, a cluster on Google Cloud Dataproc. The operator will wait until the cluster is re-scaled. Example usage: .. code-block:: python t1 = DataprocClusterScaleOperator( task_id="dataproc_scale", project_id="my-project", cluster_name="cluster-1", num_workers=10, num_preemptible_workers=10, graceful_decommission_timeout="1h", ) .. seealso:: For more detail on about scaling clusters have a look at the reference: https://cloud.google.com/dataproc/docs/concepts/configuring-clusters/scaling-clusters :param cluster_name: The name of the cluster to scale. (templated) :param project_id: The ID of the google cloud project in which the cluster runs. (templated) :param region: The region for the dataproc cluster. (templated) :param num_workers: The new number of workers :param num_preemptible_workers: The new number of preemptible workers :param graceful_decommission_timeout: Timeout for graceful YARN decommissioning. Maximum value is 1d :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). """
def__init__(self,*,cluster_name:str,project_id:str|None=None,region:str="global",num_workers:int=2,num_preemptible_workers:int=0,graceful_decommission_timeout:str|None=None,gcp_conn_id:str="google_cloud_default",impersonation_chain:str|Sequence[str]|None=None,**kwargs,)->None:super().__init__(**kwargs)self.project_id=project_idself.region=regionself.cluster_name=cluster_nameself.num_workers=num_workersself.num_preemptible_workers=num_preemptible_workersself.graceful_decommission_timeout=graceful_decommission_timeoutself.gcp_conn_id=gcp_conn_idself.impersonation_chain=impersonation_chain# TODO: Remove one daywarnings.warn(f"The `{type(self).__name__}` operator is deprecated, ""please use `DataprocUpdateClusterOperator` instead.",AirflowProviderDeprecationWarning,stacklevel=1,)def_build_scale_cluster_data(self)->dict:scale_data={"config":{"worker_config":{"num_instances":self.num_workers},"secondary_worker_config":{"num_instances":self.num_preemptible_workers},}}returnscale_data@propertydef_graceful_decommission_timeout_object(self)->dict[str,int]|None:ifnotself.graceful_decommission_timeout:returnNonetimeout=Nonematch=re.match(r"^(\d+)([smdh])$",self.graceful_decommission_timeout)ifmatch:ifmatch.group(2)=="s":timeout=int(match.group(1))elifmatch.group(2)=="m":val=float(match.group(1))timeout=int(timedelta(minutes=val).total_seconds())elifmatch.group(2)=="h":val=float(match.group(1))timeout=int(timedelta(hours=val).total_seconds())elifmatch.group(2)=="d":val=float(match.group(1))timeout=int(timedelta(days=val).total_seconds())ifnottimeout:raiseAirflowException("DataprocClusterScaleOperator "" should be expressed in day, hours, minutes or seconds. "" i.e. 1d, 4h, 10m, 30s")return{"seconds":timeout}
[docs]defexecute(self,context:Context)->None:"""Scale, up or down, a cluster on Google Cloud Dataproc."""self.log.info("Scaling cluster: %s",self.cluster_name)scaling_cluster_data=self._build_scale_cluster_data()update_mask=["config.worker_config.num_instances","config.secondary_worker_config.num_instances"]hook=DataprocHook(gcp_conn_id=self.gcp_conn_id,impersonation_chain=self.impersonation_chain)# Save data required to display extra link no matter what the cluster status will beDataprocLink.persist(context=context,task_instance=self,url=DATAPROC_CLUSTER_LINK_DEPRECATED,resource=self.cluster_name,)operation=hook.update_cluster(project_id=self.project_id,region=self.region,cluster_name=self.cluster_name,cluster=scaling_cluster_data,graceful_decommission_timeout=self._graceful_decommission_timeout_object,update_mask={"paths":update_mask},)operation.result()self.log.info("Cluster scaling finished")
[docs]classDataprocDeleteClusterOperator(GoogleCloudBaseOperator):"""Delete a cluster in a project. :param region: Required. The Cloud Dataproc region in which to handle the request (templated). :param cluster_name: Required. The cluster name (templated). :param project_id: Optional. The ID of the Google Cloud project that the cluster belongs to (templated). :param cluster_uuid: Optional. Specifying the ``cluster_uuid`` means the RPC should fail if cluster with specified UUID does not exist. :param request_id: Optional. A unique id used to identify the request. If the server receives two ``DeleteClusterRequest`` requests with the same id, then the second request will be ignored and the first ``google.longrunning.Operation`` created and stored in the backend is returned. :param retry: A retry object used to retry requests. If ``None`` is specified, requests will not be retried. :param timeout: The amount of time, in seconds, to wait for the request to complete. Note that if ``retry`` is specified, the timeout applies to each individual attempt. :param metadata: Additional metadata that is provided to the method. :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). :param deferrable: Run operator in the deferrable mode. :param polling_interval_seconds: Time (seconds) to wait between calls to check the cluster status. """
def__init__(self,*,region:str,cluster_name:str,project_id:str|None=None,cluster_uuid:str|None=None,request_id:str|None=None,retry:Retry|_MethodDefault=DEFAULT,timeout:float=1*60*60,metadata:Sequence[tuple[str,str]]=(),gcp_conn_id:str="google_cloud_default",impersonation_chain:str|Sequence[str]|None=None,deferrable:bool=conf.getboolean("operators","default_deferrable",fallback=False),polling_interval_seconds:int=10,**kwargs,):super().__init__(**kwargs)ifdeferrableandpolling_interval_seconds<=0:raiseValueError("Invalid value for polling_interval_seconds. Expected value greater than 0")self.project_id=project_idself.region=regionself.cluster_name=cluster_nameself.cluster_uuid=cluster_uuidself.request_id=request_idself.retry=retryself.timeout=timeoutself.metadata=metadataself.gcp_conn_id=gcp_conn_idself.impersonation_chain=impersonation_chainself.deferrable=deferrableself.polling_interval_seconds=polling_interval_seconds
[docs]defexecute_complete(self,context:Context,event:dict[str,Any]|None=None)->Any:""" Callback for when the trigger fires - returns immediately. Relies on trigger to throw an exception, otherwise it assumes execution was successful. """ifeventandevent["status"]=="error":raiseAirflowException(event["message"])elifeventisNone:raiseAirflowException("No event received in trigger callback")self.log.info("Cluster deleted.")
[docs]classDataprocJobBaseOperator(GoogleCloudBaseOperator):"""Base class for operators that launch job on DataProc. :param region: The specified region where the dataproc cluster is created. :param job_name: The job name used in the DataProc cluster. This name by default is the task_id appended with the execution data, but can be templated. The name will always be appended with a random number to avoid name clashes. :param cluster_name: The name of the DataProc cluster. :param project_id: The ID of the Google Cloud project the cluster belongs to, if not specified the project will be inferred from the provided GCP connection. :param dataproc_properties: Map for the Hive properties. Ideal to put in default arguments (templated) :param dataproc_jars: HCFS URIs of jar files to add to the CLASSPATH of the Hive server and Hadoop MapReduce (MR) tasks. Can contain Hive SerDes and UDFs. (templated) :param gcp_conn_id: The connection ID to use connecting to Google Cloud. :param labels: The labels to associate with this job. Label keys must contain 1 to 63 characters, and must conform to RFC 1035. Label values may be empty, but, if present, must contain 1 to 63 characters, and must conform to RFC 1035. No more than 32 labels can be associated with a job. :param job_error_states: Job states that should be considered error states. Any states in this set will result in an error being raised and failure of the task. Eg, if the ``CANCELLED`` state should also be considered a task failure, pass in ``{'ERROR', 'CANCELLED'}``. Possible values are currently only ``'ERROR'`` and ``'CANCELLED'``, but could change in the future. Defaults to ``{'ERROR'}``. :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). :param asynchronous: Flag to return after submitting the job to the Dataproc API. This is useful for submitting long running jobs and waiting on them asynchronously using the DataprocJobSensor :param deferrable: Run operator in the deferrable mode :param polling_interval_seconds: time in seconds between polling for job completion. The value is considered only when running in deferrable mode. Must be greater than 0. :var dataproc_job_id: The actual "jobId" as submitted to the Dataproc API. This is useful for identifying or linking to the job in the Google Cloud Console Dataproc UI, as the actual "jobId" submitted to the Dataproc API is appended with an 8 character random string. :vartype dataproc_job_id: str """
def__init__(self,*,region:str,job_name:str="{{task.task_id}}_{{ds_nodash}}",cluster_name:str="cluster-1",project_id:str|None=None,dataproc_properties:dict|None=None,dataproc_jars:list[str]|None=None,gcp_conn_id:str="google_cloud_default",labels:dict|None=None,job_error_states:set[str]|None=None,impersonation_chain:str|Sequence[str]|None=None,asynchronous:bool=False,deferrable:bool=conf.getboolean("operators","default_deferrable",fallback=False),polling_interval_seconds:int=10,**kwargs,)->None:super().__init__(**kwargs)ifdeferrableandpolling_interval_seconds<=0:raiseValueError("Invalid value for polling_interval_seconds. Expected value greater than 0")self.gcp_conn_id=gcp_conn_idself.labels=labelsself.job_name=job_nameself.cluster_name=cluster_nameself.dataproc_properties=dataproc_propertiesself.dataproc_jars=dataproc_jarsself.region=regionself.job_error_states=job_error_statesifjob_error_statesisnotNoneelse{"ERROR"}self.impersonation_chain=impersonation_chainself.hook=DataprocHook(gcp_conn_id=gcp_conn_id,impersonation_chain=impersonation_chain)self.project_id=self.hook.project_idifproject_idisNoneelseproject_idself.job_template:DataProcJobBuilder|None=Noneself.job:dict|None=Noneself.dataproc_job_id=Noneself.asynchronous=asynchronousself.deferrable=deferrableself.polling_interval_seconds=polling_interval_seconds
[docs]defcreate_job_template(self)->DataProcJobBuilder:"""Initialize `self.job_template` with default values."""ifself.project_idisNone:raiseAirflowException("project id should either be set via project_id ""parameter or retrieved from the connection,")job_template=DataProcJobBuilder(project_id=self.project_id,task_id=self.task_id,cluster_name=self.cluster_name,job_type=self.job_type,properties=self.dataproc_properties,)job_template.set_job_name(self.job_name)job_template.add_jar_file_uris(self.dataproc_jars)job_template.add_labels(self.labels)self.job_template=job_templatereturnjob_template
def_generate_job_template(self)->str:ifself.job_template:job=self.job_template.build()returnjob["job"]raiseException("Create a job template before")
[docs]defexecute(self,context:Context):ifself.job_template:self.job=self.job_template.build()ifself.jobisNone:raiseException("The job should be set here.")self.dataproc_job_id=self.job["job"]["reference"]["job_id"]self.log.info("Submitting %s job %s",self.job_type,self.dataproc_job_id)job_object=self.hook.submit_job(project_id=self.project_id,job=self.job["job"],region=self.region)job_id=job_object.reference.job_idself.log.info("Job %s submitted successfully.",job_id)# Save data required for extra links no matter what the job status will beDataprocLink.persist(context=context,task_instance=self,url=DATAPROC_JOB_LINK_DEPRECATED,resource=job_id)ifself.deferrable:self.defer(trigger=DataprocSubmitTrigger(job_id=job_id,project_id=self.project_id,region=self.region,gcp_conn_id=self.gcp_conn_id,impersonation_chain=self.impersonation_chain,polling_interval_seconds=self.polling_interval_seconds,),method_name="execute_complete",)ifnotself.asynchronous:self.log.info("Waiting for job %s to complete",job_id)self.hook.wait_for_job(job_id=job_id,region=self.region,project_id=self.project_id)self.log.info("Job %s completed successfully.",job_id)returnjob_idelse:raiseAirflowException("Create a job template before")
[docs]defexecute_complete(self,context,event=None)->None:""" Callback for when the trigger fires - returns immediately. Relies on trigger to throw an exception, otherwise it assumes execution was successful. """job_state=event["job_state"]job_id=event["job_id"]ifjob_state==JobStatus.State.ERROR:raiseAirflowException(f"Job failed:\n{job_id}")ifjob_state==JobStatus.State.CANCELLED:raiseAirflowException(f"Job was cancelled:\n{job_id}")self.log.info("%s completed successfully.",self.task_id)returnjob_id
[docs]defon_kill(self)->None:"""Callback called when the operator is killed; cancel any running job."""ifself.dataproc_job_id:self.hook.cancel_job(project_id=self.project_id,job_id=self.dataproc_job_id,region=self.region)
[docs]classDataprocSubmitPigJobOperator(DataprocJobBaseOperator):"""Start a Pig query Job on a Cloud DataProc cluster. .. seealso:: This operator is deprecated, please use :class:`~airflow.providers.google.cloud.operators.dataproc.DataprocSubmitJobOperator`: The parameters of the operation will be passed to the cluster. It's a good practice to define dataproc_* parameters in the default_args of the dag like the cluster name and UDFs. .. code-block:: python default_args = { "cluster_name": "cluster-1", "dataproc_pig_jars": [ "gs://example/udf/jar/datafu/1.2.0/datafu.jar", "gs://example/udf/jar/gpig/1.2/gpig.jar", ], } You can pass a pig script as string or file reference. Use variables to pass on variables for the pig script to be resolved on the cluster or use the parameters to be resolved in the script as template parameters. .. code-block:: python t1 = DataProcPigOperator( task_id="dataproc_pig", query="a_pig_script.pig", variables={"out": "gs://example/output/{{ds}}"}, ) .. seealso:: For more detail on about job submission have a look at the reference: https://cloud.google.com/dataproc/reference/rest/v1/projects.regions.jobs :param query: The query or reference to the query file (pg or pig extension). (templated) :param query_uri: The HCFS URI of the script that contains the Pig queries. :param variables: Map of named parameters for the query. (templated) """
def__init__(self,*,query:str|None=None,query_uri:str|None=None,variables:dict|None=None,**kwargs,)->None:# TODO: Remove one daywarnings.warn("The `{cls}` operator is deprecated, please use `DataprocSubmitJobOperator` instead. You can use"" `generate_job` method of `{cls}` to generate dictionary representing your job"" and use it with the new operator.".format(cls=type(self).__name__),AirflowProviderDeprecationWarning,stacklevel=1,)super().__init__(**kwargs)self.query=queryself.query_uri=query_uriself.variables=variables
[docs]defgenerate_job(self):""" Helper method for easier migration to `DataprocSubmitJobOperator`. :return: Dict representing Dataproc job """job_template=self.create_job_template()ifself.queryisNone:ifself.query_uriisNone:raiseAirflowException("One of query or query_uri should be set here")job_template.add_query_uri(self.query_uri)else:job_template.add_query(self.query)job_template.add_variables(self.variables)returnself._generate_job_template()
[docs]defexecute(self,context:Context):job_template=self.create_job_template()ifself.queryisNone:ifself.query_uriisNone:raiseAirflowException("One of query or query_uri should be set here")job_template.add_query_uri(self.query_uri)else:job_template.add_query(self.query)job_template.add_variables(self.variables)super().execute(context)
[docs]classDataprocSubmitHiveJobOperator(DataprocJobBaseOperator):"""Start a Hive query Job on a Cloud DataProc cluster. .. seealso:: This operator is deprecated, please use :class:`~airflow.providers.google.cloud.operators.dataproc.DataprocSubmitJobOperator`: :param query: The query or reference to the query file (q extension). :param query_uri: The HCFS URI of the script that contains the Hive queries. :param variables: Map of named parameters for the query. """
def__init__(self,*,query:str|None=None,query_uri:str|None=None,variables:dict|None=None,**kwargs,)->None:# TODO: Remove one daywarnings.warn("The `{cls}` operator is deprecated, please use `DataprocSubmitJobOperator` instead. You can use"" `generate_job` method of `{cls}` to generate dictionary representing your job"" and use it with the new operator.".format(cls=type(self).__name__),AirflowProviderDeprecationWarning,stacklevel=1,)super().__init__(**kwargs)self.query=queryself.query_uri=query_uriself.variables=variablesifself.queryisnotNoneandself.query_uriisnotNone:raiseAirflowException("Only one of `query` and `query_uri` can be passed.")
[docs]defgenerate_job(self):""" Helper method for easier migration to `DataprocSubmitJobOperator`. :return: Dict representing Dataproc job """job_template=self.create_job_template()ifself.queryisNone:ifself.query_uriisNone:raiseAirflowException("One of query or query_uri should be set here")job_template.add_query_uri(self.query_uri)else:job_template.add_query(self.query)job_template.add_variables(self.variables)returnself._generate_job_template()
[docs]defexecute(self,context:Context):job_template=self.create_job_template()ifself.queryisNone:ifself.query_uriisNone:raiseAirflowException("One of query or query_uri should be set here")job_template.add_query_uri(self.query_uri)else:job_template.add_query(self.query)job_template.add_variables(self.variables)super().execute(context)
[docs]classDataprocSubmitSparkSqlJobOperator(DataprocJobBaseOperator):"""Start a Spark SQL query Job on a Cloud DataProc cluster. .. seealso:: This operator is deprecated, please use :class:`~airflow.providers.google.cloud.operators.dataproc.DataprocSubmitJobOperator`: :param query: The query or reference to the query file (q extension). (templated) :param query_uri: The HCFS URI of the script that contains the SQL queries. :param variables: Map of named parameters for the query. (templated) """
def__init__(self,*,query:str|None=None,query_uri:str|None=None,variables:dict|None=None,**kwargs,)->None:# TODO: Remove one daywarnings.warn("The `{cls}` operator is deprecated, please use `DataprocSubmitJobOperator` instead. You can use"" `generate_job` method of `{cls}` to generate dictionary representing your job"" and use it with the new operator.".format(cls=type(self).__name__),AirflowProviderDeprecationWarning,stacklevel=1,)super().__init__(**kwargs)self.query=queryself.query_uri=query_uriself.variables=variablesifself.queryisnotNoneandself.query_uriisnotNone:raiseAirflowException("Only one of `query` and `query_uri` can be passed.")
[docs]defgenerate_job(self):""" Helper method for easier migration to `DataprocSubmitJobOperator`. :return: Dict representing Dataproc job """job_template=self.create_job_template()ifself.queryisNone:job_template.add_query_uri(self.query_uri)else:job_template.add_query(self.query)job_template.add_variables(self.variables)returnself._generate_job_template()
[docs]defexecute(self,context:Context):job_template=self.create_job_template()ifself.queryisNone:ifself.query_uriisNone:raiseAirflowException("One of query or query_uri should be set here")job_template.add_query_uri(self.query_uri)else:job_template.add_query(self.query)job_template.add_variables(self.variables)super().execute(context)
[docs]classDataprocSubmitSparkJobOperator(DataprocJobBaseOperator):"""Start a Spark Job on a Cloud DataProc cluster. .. seealso:: This operator is deprecated, please use :class:`~airflow.providers.google.cloud.operators.dataproc.DataprocSubmitJobOperator`: :param main_jar: The HCFS URI of the jar file that contains the main class (use this or the main_class, not both together). :param main_class: Name of the job class. (use this or the main_jar, not both together). :param arguments: Arguments for the job. (templated) :param archives: List of archived files that will be unpacked in the work directory. Should be stored in Cloud Storage. :param files: List of files to be copied to the working directory """
def__init__(self,*,main_jar:str|None=None,main_class:str|None=None,arguments:list|None=None,archives:list|None=None,files:list|None=None,**kwargs,)->None:# TODO: Remove one daywarnings.warn("The `{cls}` operator is deprecated, please use `DataprocSubmitJobOperator` instead. You can use"" `generate_job` method of `{cls}` to generate dictionary representing your job"" and use it with the new operator.".format(cls=type(self).__name__),AirflowProviderDeprecationWarning,stacklevel=1,)super().__init__(**kwargs)self.main_jar=main_jarself.main_class=main_classself.arguments=argumentsself.archives=archivesself.files=files
[docs]defgenerate_job(self):""" Helper method for easier migration to `DataprocSubmitJobOperator`. :return: Dict representing Dataproc job """job_template=self.create_job_template()job_template.set_main(self.main_jar,self.main_class)job_template.add_args(self.arguments)job_template.add_archive_uris(self.archives)job_template.add_file_uris(self.files)returnself._generate_job_template()
[docs]classDataprocSubmitHadoopJobOperator(DataprocJobBaseOperator):"""Start a Hadoop Job on a Cloud DataProc cluster. .. seealso:: This operator is deprecated, please use :class:`~airflow.providers.google.cloud.operators.dataproc.DataprocSubmitJobOperator`: :param main_jar: The HCFS URI of the jar file containing the main class (use this or the main_class, not both together). :param main_class: Name of the job class. (use this or the main_jar, not both together). :param arguments: Arguments for the job. (templated) :param archives: List of archived files that will be unpacked in the work directory. Should be stored in Cloud Storage. :param files: List of files to be copied to the working directory """
def__init__(self,*,main_jar:str|None=None,main_class:str|None=None,arguments:list|None=None,archives:list|None=None,files:list|None=None,**kwargs,)->None:# TODO: Remove one daywarnings.warn("The `{cls}` operator is deprecated, please use `DataprocSubmitJobOperator` instead. You can use"" `generate_job` method of `{cls}` to generate dictionary representing your job"" and use it with the new operator.".format(cls=type(self).__name__),AirflowProviderDeprecationWarning,stacklevel=1,)super().__init__(**kwargs)self.main_jar=main_jarself.main_class=main_classself.arguments=argumentsself.archives=archivesself.files=files
[docs]defgenerate_job(self):"""Helper method for easier migration to `DataprocSubmitJobOperator`. :return: Dict representing Dataproc job """job_template=self.create_job_template()job_template.set_main(self.main_jar,self.main_class)job_template.add_args(self.arguments)job_template.add_archive_uris(self.archives)job_template.add_file_uris(self.files)returnself._generate_job_template()
[docs]classDataprocSubmitPySparkJobOperator(DataprocJobBaseOperator):"""Start a PySpark Job on a Cloud DataProc cluster. .. seealso:: This operator is deprecated, please use :class:`~airflow.providers.google.cloud.operators.dataproc.DataprocSubmitJobOperator`: :param main: [Required] The Hadoop Compatible Filesystem (HCFS) URI of the main Python file to use as the driver. Must be a .py file. (templated) :param arguments: Arguments for the job. (templated) :param archives: List of archived files that will be unpacked in the work directory. Should be stored in Cloud Storage. :param files: List of files to be copied to the working directory :param pyfiles: List of Python files to pass to the PySpark framework. Supported file types: .py, .egg, and .zip """
@staticmethoddef_generate_temp_filename(filename):returnf"{time:%Y%m%d%H%M%S}_{str(uuid.uuid4())[:8]}_{ntpath.basename(filename)}"def_upload_file_temp(self,bucket,local_file):"""Upload a local file to a Google Cloud Storage bucket."""temp_filename=self._generate_temp_filename(local_file)ifnotbucket:raiseAirflowException("If you want Airflow to upload the local file to a temporary bucket, set ""the 'temp_bucket' key in the connection string")self.log.info("Uploading %s to %s",local_file,temp_filename)GCSHook(gcp_conn_id=self.gcp_conn_id,impersonation_chain=self.impersonation_chain).upload(bucket_name=bucket,object_name=temp_filename,mime_type="application/x-python",filename=local_file,)returnf"gs://{bucket}/{temp_filename}"def__init__(self,*,main:str,arguments:list|None=None,archives:list|None=None,pyfiles:list|None=None,files:list|None=None,**kwargs,)->None:# TODO: Remove one daywarnings.warn("The `{cls}` operator is deprecated, please use `DataprocSubmitJobOperator` instead. You can use"" `generate_job` method of `{cls}` to generate dictionary representing your job"" and use it with the new operator.".format(cls=type(self).__name__),AirflowProviderDeprecationWarning,stacklevel=1,)super().__init__(**kwargs)self.main=mainself.arguments=argumentsself.archives=archivesself.files=filesself.pyfiles=pyfiles
[docs]defgenerate_job(self):"""Helper method for easier migration to :class:`DataprocSubmitJobOperator`. :return: Dict representing Dataproc job """job_template=self.create_job_template()# Check if the file is local, if that is the case, upload it to a bucketifos.path.isfile(self.main):cluster_info=self.hook.get_cluster(project_id=self.project_id,region=self.region,cluster_name=self.cluster_name)bucket=cluster_info["config"]["config_bucket"]self.main=f"gs://{bucket}/{self.main}"job_template.set_python_main(self.main)job_template.add_args(self.arguments)job_template.add_archive_uris(self.archives)job_template.add_file_uris(self.files)job_template.add_python_file_uris(self.pyfiles)returnself._generate_job_template()
[docs]defexecute(self,context:Context):job_template=self.create_job_template()# Check if the file is local, if that is the case, upload it to a bucketifos.path.isfile(self.main):cluster_info=self.hook.get_cluster(project_id=self.project_id,region=self.region,cluster_name=self.cluster_name)bucket=cluster_info["config"]["config_bucket"]self.main=self._upload_file_temp(bucket,self.main)job_template.set_python_main(self.main)job_template.add_args(self.arguments)job_template.add_archive_uris(self.archives)job_template.add_file_uris(self.files)job_template.add_python_file_uris(self.pyfiles)super().execute(context)
[docs]classDataprocCreateWorkflowTemplateOperator(GoogleCloudBaseOperator):"""Creates new workflow template. :param project_id: Optional. The ID of the Google Cloud project the cluster belongs to. :param region: Required. The Cloud Dataproc region in which to handle the request. :param template: The Dataproc workflow template to create. If a dict is provided, it must be of the same form as the protobuf message WorkflowTemplate. :param retry: A retry object used to retry requests. If ``None`` is specified, requests will not be retried. :param timeout: The amount of time, in seconds, to wait for the request to complete. Note that if ``retry`` is specified, the timeout applies to each individual attempt. :param metadata: Additional metadata that is provided to the method. """
[docs]defexecute(self,context:Context):hook=DataprocHook(gcp_conn_id=self.gcp_conn_id,impersonation_chain=self.impersonation_chain)self.log.info("Creating template")try:workflow=hook.create_workflow_template(region=self.region,template=self.template,project_id=self.project_id,retry=self.retry,timeout=self.timeout,metadata=self.metadata,)self.log.info("Workflow %s created",workflow.name)exceptAlreadyExists:self.log.info("Workflow with given id already exists")project_id=self.project_idorhook.project_idifproject_id:DataprocWorkflowTemplateLink.persist(context=context,operator=self,workflow_template_id=self.template["id"],region=self.region,project_id=project_id,)
[docs]classDataprocInstantiateWorkflowTemplateOperator(GoogleCloudBaseOperator):"""Instantiate a WorkflowTemplate on Google Cloud Dataproc. The operator will wait until the WorkflowTemplate is finished executing. .. seealso:: Please refer to: https://cloud.google.com/dataproc/docs/reference/rest/v1/projects.regions.workflowTemplates/instantiate :param template_id: The id of the template. (templated) :param project_id: The ID of the google cloud project in which the template runs :param region: The specified region where the dataproc cluster is created. :param parameters: a map of parameters for Dataproc Template in key-value format: map (key: string, value: string) Example: { "date_from": "2019-08-01", "date_to": "2019-08-02"}. Values may not exceed 100 characters. Please refer to: https://cloud.google.com/dataproc/docs/concepts/workflows/workflow-parameters :param request_id: Optional. A unique id used to identify the request. If the server receives two ``SubmitJobRequest`` requests with the same id, then the second request will be ignored and the first ``Job`` created and stored in the backend is returned. It is recommended to always set this value to a UUID. :param retry: A retry object used to retry requests. If ``None`` is specified, requests will not be retried. :param timeout: The amount of time, in seconds, to wait for the request to complete. Note that if ``retry`` is specified, the timeout applies to each individual attempt. :param metadata: Additional metadata that is provided to the method. :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). :param deferrable: Run operator in the deferrable mode. :param polling_interval_seconds: Time (seconds) to wait between calls to check the run status. """
def__init__(self,*,template_id:str,region:str,project_id:str|None=None,version:int|None=None,request_id:str|None=None,parameters:dict[str,str]|None=None,retry:Retry|_MethodDefault=DEFAULT,timeout:float|None=None,metadata:Sequence[tuple[str,str]]=(),gcp_conn_id:str="google_cloud_default",impersonation_chain:str|Sequence[str]|None=None,deferrable:bool=conf.getboolean("operators","default_deferrable",fallback=False),polling_interval_seconds:int=10,**kwargs,)->None:super().__init__(**kwargs)ifdeferrableandpolling_interval_seconds<=0:raiseValueError("Invalid value for polling_interval_seconds. Expected value greater than 0")self.template_id=template_idself.parameters=parametersself.version=versionself.project_id=project_idself.region=regionself.retry=retryself.timeout=timeoutself.metadata=metadataself.request_id=request_idself.gcp_conn_id=gcp_conn_idself.impersonation_chain=impersonation_chainself.deferrable=deferrableself.polling_interval_seconds=polling_interval_seconds
[docs]defexecute_complete(self,context,event=None)->None:"""Callback for when the trigger fires. This returns immediately. It relies on trigger to throw an exception, otherwise it assumes execution was successful. """ifevent["status"]=="failed"orevent["status"]=="error":self.log.exception("Unexpected error in the operation.")raiseAirflowException(event["message"])self.log.info("Workflow %s completed successfully",event["operation_name"])
[docs]classDataprocInstantiateInlineWorkflowTemplateOperator(GoogleCloudBaseOperator):"""Instantiate a WorkflowTemplate Inline on Google Cloud Dataproc. The operator will wait until the WorkflowTemplate is finished executing. .. seealso:: For more information on how to use this operator, take a look at the guide: :ref:`howto/operator:DataprocInstantiateInlineWorkflowTemplateOperator` For more detail on about instantiate inline have a look at the reference: https://cloud.google.com/dataproc/docs/reference/rest/v1/projects.regions.workflowTemplates/instantiateInline :param template: The template contents. (templated) :param project_id: The ID of the google cloud project in which the template runs :param region: The specified region where the dataproc cluster is created. :param parameters: a map of parameters for Dataproc Template in key-value format: map (key: string, value: string) Example: { "date_from": "2019-08-01", "date_to": "2019-08-02"}. Values may not exceed 100 characters. Please refer to: https://cloud.google.com/dataproc/docs/concepts/workflows/workflow-parameters :param request_id: Optional. A unique id used to identify the request. If the server receives two ``SubmitJobRequest`` requests with the same id, then the second request will be ignored and the first ``Job`` created and stored in the backend is returned. It is recommended to always set this value to a UUID. :param retry: A retry object used to retry requests. If ``None`` is specified, requests will not be retried. :param timeout: The amount of time, in seconds, to wait for the request to complete. Note that if ``retry`` is specified, the timeout applies to each individual attempt. :param metadata: Additional metadata that is provided to the method. :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). :param deferrable: Run operator in the deferrable mode. :param polling_interval_seconds: Time (seconds) to wait between calls to check the run status. """
def__init__(self,*,template:dict,region:str,project_id:str|None=None,request_id:str|None=None,retry:Retry|_MethodDefault=DEFAULT,timeout:float|None=None,metadata:Sequence[tuple[str,str]]=(),gcp_conn_id:str="google_cloud_default",impersonation_chain:str|Sequence[str]|None=None,deferrable:bool=conf.getboolean("operators","default_deferrable",fallback=False),polling_interval_seconds:int=10,**kwargs,)->None:super().__init__(**kwargs)ifdeferrableandpolling_interval_seconds<=0:raiseValueError("Invalid value for polling_interval_seconds. Expected value greater than 0")self.template=templateself.project_id=project_idself.region=regionself.template=templateself.request_id=request_idself.retry=retryself.timeout=timeoutself.metadata=metadataself.gcp_conn_id=gcp_conn_idself.impersonation_chain=impersonation_chainself.deferrable=deferrableself.polling_interval_seconds=polling_interval_seconds
[docs]defexecute_complete(self,context,event=None)->None:"""Callback for when the trigger fires. This returns immediately. It relies on trigger to throw an exception, otherwise it assumes execution was successful. """ifevent["status"]=="failed"orevent["status"]=="error":self.log.exception("Unexpected error in the operation.")raiseAirflowException(event["message"])self.log.info("Workflow %s completed successfully",event["operation_name"])
[docs]classDataprocSubmitJobOperator(GoogleCloudBaseOperator):"""Submit a job to a cluster. :param project_id: Optional. The ID of the Google Cloud project that the job belongs to. :param region: Required. The Cloud Dataproc region in which to handle the request. :param job: Required. The job resource. If a dict is provided, it must be of the same form as the protobuf message :class:`~google.cloud.dataproc_v1.types.Job`. For the complete list of supported job types and their configurations please take a look here https://cloud.google.com/dataproc/docs/reference/rest/v1/projects.regions.jobs :param request_id: Optional. A unique id used to identify the request. If the server receives two ``SubmitJobRequest`` requests with the same id, then the second request will be ignored and the first ``Job`` created and stored in the backend is returned. It is recommended to always set this value to a UUID. :param retry: A retry object used to retry requests. If ``None`` is specified, requests will not be retried. :param timeout: The amount of time, in seconds, to wait for the request to complete. Note that if ``retry`` is specified, the timeout applies to each individual attempt. :param metadata: Additional metadata that is provided to the method. :param gcp_conn_id: :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). :param asynchronous: Flag to return after submitting the job to the Dataproc API. This is useful for submitting long running jobs and waiting on them asynchronously using the DataprocJobSensor :param deferrable: Run operator in the deferrable mode :param polling_interval_seconds: time in seconds between polling for job completion. The value is considered only when running in deferrable mode. Must be greater than 0. :param cancel_on_kill: Flag which indicates whether cancel the hook's job or not, when on_kill is called :param wait_timeout: How many seconds wait for job to be ready. Used only if ``asynchronous`` is False """
def__init__(self,*,job:dict,region:str,project_id:str|None=None,request_id:str|None=None,retry:Retry|_MethodDefault=DEFAULT,timeout:float|None=None,metadata:Sequence[tuple[str,str]]=(),gcp_conn_id:str="google_cloud_default",impersonation_chain:str|Sequence[str]|None=None,asynchronous:bool=False,deferrable:bool=conf.getboolean("operators","default_deferrable",fallback=False),polling_interval_seconds:int=10,cancel_on_kill:bool=True,wait_timeout:int|None=None,**kwargs,)->None:super().__init__(**kwargs)ifdeferrableandpolling_interval_seconds<=0:raiseValueError("Invalid value for polling_interval_seconds. Expected value greater than 0")self.project_id=project_idself.region=regionself.job=jobself.request_id=request_idself.retry=retryself.timeout=timeoutself.metadata=metadataself.gcp_conn_id=gcp_conn_idself.impersonation_chain=impersonation_chainself.asynchronous=asynchronousself.deferrable=deferrableself.polling_interval_seconds=polling_interval_secondsself.cancel_on_kill=cancel_on_killself.hook:DataprocHook|None=Noneself.job_id:str|None=Noneself.wait_timeout=wait_timeout
[docs]defexecute(self,context:Context):self.log.info("Submitting job")self.hook=DataprocHook(gcp_conn_id=self.gcp_conn_id,impersonation_chain=self.impersonation_chain)job_object=self.hook.submit_job(project_id=self.project_id,region=self.region,job=self.job,request_id=self.request_id,retry=self.retry,timeout=self.timeout,metadata=self.metadata,)new_job_id:str=job_object.reference.job_idself.log.info("Job %s submitted successfully.",new_job_id)# Save data required by extra links no matter what the job status will beproject_id=self.project_idorself.hook.project_idifproject_id:DataprocJobLink.persist(context=context,operator=self,job_id=new_job_id,region=self.region,project_id=project_id,)self.job_id=new_job_idifself.deferrable:job=self.hook.get_job(project_id=self.project_id,region=self.region,job_id=self.job_id)state=job.status.stateifstate==JobStatus.State.DONE:returnself.job_idelifstate==JobStatus.State.ERROR:raiseAirflowException(f"Job failed:\n{job}")elifstate==JobStatus.State.CANCELLED:raiseAirflowException(f"Job was cancelled:\n{job}")self.defer(trigger=DataprocSubmitTrigger(job_id=self.job_id,project_id=self.project_id,region=self.region,gcp_conn_id=self.gcp_conn_id,impersonation_chain=self.impersonation_chain,polling_interval_seconds=self.polling_interval_seconds,),method_name="execute_complete",)elifnotself.asynchronous:self.log.info("Waiting for job %s to complete",new_job_id)self.hook.wait_for_job(job_id=new_job_id,region=self.region,project_id=self.project_id,timeout=self.wait_timeout)self.log.info("Job %s completed successfully.",new_job_id)returnself.job_id
[docs]defexecute_complete(self,context,event=None)->None:"""Callback for when the trigger fires. This returns immediately. It relies on trigger to throw an exception, otherwise it assumes execution was successful. """job_state=event["job_state"]job_id=event["job_id"]ifjob_state==JobStatus.State.ERROR:raiseAirflowException(f"Job failed:\n{job_id}")ifjob_state==JobStatus.State.CANCELLED:raiseAirflowException(f"Job was cancelled:\n{job_id}")self.log.info("%s completed successfully.",self.task_id)returnjob_id
[docs]classDataprocUpdateClusterOperator(GoogleCloudBaseOperator):"""Update a cluster in a project. :param region: Required. The Cloud Dataproc region in which to handle the request. :param project_id: Optional. The ID of the Google Cloud project the cluster belongs to. :param cluster_name: Required. The cluster name. :param cluster: Required. The changes to the cluster. If a dict is provided, it must be of the same form as the protobuf message :class:`~google.cloud.dataproc_v1.types.Cluster` :param update_mask: Required. Specifies the path, relative to ``Cluster``, of the field to update. For example, to change the number of workers in a cluster to 5, the ``update_mask`` parameter would be specified as ``config.worker_config.num_instances``, and the ``PATCH`` request body would specify the new value. If a dict is provided, it must be of the same form as the protobuf message :class:`~google.protobuf.field_mask_pb2.FieldMask` :param graceful_decommission_timeout: Optional. Timeout for graceful YARN decommissioning. Graceful decommissioning allows removing nodes from the cluster without interrupting jobs in progress. Timeout specifies how long to wait for jobs in progress to finish before forcefully removing nodes (and potentially interrupting jobs). Default timeout is 0 (for forceful decommission), and the maximum allowed timeout is 1 day. :param request_id: Optional. A unique id used to identify the request. If the server receives two ``UpdateClusterRequest`` requests with the same id, then the second request will be ignored and the first ``google.long-running.Operation`` created and stored in the backend is returned. :param retry: A retry object used to retry requests. If ``None`` is specified, requests will not be retried. :param timeout: The amount of time, in seconds, to wait for the request to complete. Note that if ``retry`` is specified, the timeout applies to each individual attempt. :param metadata: Additional metadata that is provided to the method. :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). :param deferrable: Run operator in the deferrable mode. :param polling_interval_seconds: Time (seconds) to wait between calls to check the run status. """
def__init__(self,*,cluster_name:str,cluster:dict|Cluster,update_mask:dict|FieldMask,graceful_decommission_timeout:dict|Duration,region:str,request_id:str|None=None,project_id:str|None=None,retry:Retry|_MethodDefault=DEFAULT,timeout:float|None=None,metadata:Sequence[tuple[str,str]]=(),gcp_conn_id:str="google_cloud_default",impersonation_chain:str|Sequence[str]|None=None,deferrable:bool=conf.getboolean("operators","default_deferrable",fallback=False),polling_interval_seconds:int=10,**kwargs,):super().__init__(**kwargs)ifdeferrableandpolling_interval_seconds<=0:raiseValueError("Invalid value for polling_interval_seconds. Expected value greater than 0")self.project_id=project_idself.region=regionself.cluster_name=cluster_nameself.cluster=clusterself.update_mask=update_maskself.graceful_decommission_timeout=graceful_decommission_timeoutself.request_id=request_idself.retry=retryself.timeout=timeoutself.metadata=metadataself.gcp_conn_id=gcp_conn_idself.impersonation_chain=impersonation_chainself.deferrable=deferrableself.polling_interval_seconds=polling_interval_seconds
[docs]defexecute(self,context:Context):hook=DataprocHook(gcp_conn_id=self.gcp_conn_id,impersonation_chain=self.impersonation_chain)# Save data required by extra links no matter what the cluster status will beproject_id=self.project_idorhook.project_idifproject_id:DataprocClusterLink.persist(context=context,operator=self,cluster_id=self.cluster_name,project_id=project_id,region=self.region,)self.log.info("Updating %s cluster.",self.cluster_name)operation=hook.update_cluster(project_id=self.project_id,region=self.region,cluster_name=self.cluster_name,cluster=self.cluster,update_mask=self.update_mask,graceful_decommission_timeout=self.graceful_decommission_timeout,request_id=self.request_id,retry=self.retry,timeout=self.timeout,metadata=self.metadata,)ifnotself.deferrable:hook.wait_for_operation(timeout=self.timeout,result_retry=self.retry,operation=operation)else:self.defer(trigger=DataprocClusterTrigger(cluster_name=self.cluster_name,project_id=self.project_id,region=self.region,gcp_conn_id=self.gcp_conn_id,impersonation_chain=self.impersonation_chain,polling_interval_seconds=self.polling_interval_seconds,),method_name="execute_complete",)self.log.info("Updated %s cluster.",self.cluster_name)
[docs]defexecute_complete(self,context:Context,event:dict[str,Any])->Any:""" Callback for when the trigger fires - returns immediately. Relies on trigger to throw an exception, otherwise it assumes execution was successful. """cluster_state=event["cluster_state"]cluster_name=event["cluster_name"]ifcluster_state==ClusterStatus.State.ERROR:raiseAirflowException(f"Cluster is in ERROR state:\n{cluster_name}")self.log.info("%s completed successfully.",self.task_id)
[docs]classDataprocCreateBatchOperator(GoogleCloudBaseOperator):"""Create a batch workload. :param project_id: Optional. The ID of the Google Cloud project that the cluster belongs to. (templated) :param region: Required. The Cloud Dataproc region in which to handle the request. (templated) :param batch: Required. The batch to create. (templated) :param batch_id: Optional. The ID to use for the batch, which will become the final component of the batch's resource name. This value must be 4-63 characters. Valid characters are /[a-z][0-9]-/. (templated) :param request_id: Optional. A unique id used to identify the request. If the server receives two ``CreateBatchRequest`` requests with the same id, then the second request will be ignored and the first ``google.longrunning.Operation`` created and stored in the backend is returned. :param retry: A retry object used to retry requests. If ``None`` is specified, requests will not be retried. :param result_retry: Result retry object used to retry requests. Is used to decrease delay between executing chained tasks in a DAG by specifying exact amount of seconds for executing. :param timeout: The amount of time, in seconds, to wait for the request to complete. Note that if ``retry`` is specified, the timeout applies to each individual attempt. :param metadata: Additional metadata that is provided to the method. :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). :param asynchronous: Flag to return after creating batch to the Dataproc API. This is useful for creating long-running batch and waiting on them asynchronously using the DataprocBatchSensor :param deferrable: Run operator in the deferrable mode. :param polling_interval_seconds: Time (seconds) to wait between calls to check the run status. """
def__init__(self,*,region:str|None=None,project_id:str|None=None,batch:dict|Batch,batch_id:str,request_id:str|None=None,retry:Retry|_MethodDefault=DEFAULT,timeout:float|None=None,metadata:Sequence[tuple[str,str]]=(),gcp_conn_id:str="google_cloud_default",impersonation_chain:str|Sequence[str]|None=None,result_retry:Retry|_MethodDefault=DEFAULT,asynchronous:bool=False,deferrable:bool=conf.getboolean("operators","default_deferrable",fallback=False),polling_interval_seconds:int=5,**kwargs,):super().__init__(**kwargs)ifdeferrableandpolling_interval_seconds<=0:raiseValueError("Invalid value for polling_interval_seconds. Expected value greater than 0")self.region=regionself.project_id=project_idself.batch=batchself.batch_id=batch_idself.request_id=request_idself.retry=retryself.result_retry=result_retryself.timeout=timeoutself.metadata=metadataself.gcp_conn_id=gcp_conn_idself.impersonation_chain=impersonation_chainself.operation:operation.Operation|None=Noneself.asynchronous=asynchronousself.deferrable=deferrableself.polling_interval_seconds=polling_interval_seconds
[docs]defexecute(self,context:Context):hook=DataprocHook(gcp_conn_id=self.gcp_conn_id,impersonation_chain=self.impersonation_chain)# batch_id might not be set and will be generatedifself.batch_id:link=DATAPROC_BATCH_LINK.format(region=self.region,project_id=self.project_id,batch_id=self.batch_id)self.log.info("Creating batch %s",self.batch_id)self.log.info("Once started, the batch job will be available at %s",link)else:self.log.info("Starting batch job. The batch ID will be generated since it was not provided.")ifself.regionisNone:raiseAirflowException("Region should be set here")try:self.operation=hook.create_batch(region=self.region,project_id=self.project_id,batch=self.batch,batch_id=self.batch_id,request_id=self.request_id,retry=self.retry,timeout=self.timeout,metadata=self.metadata,)ifself.operationisNone:raiseRuntimeError("The operation should be set here!")ifnotself.deferrable:ifnotself.asynchronous:result=hook.wait_for_operation(timeout=self.timeout,result_retry=self.result_retry,operation=self.operation)self.log.info("Batch %s created",self.batch_id)else:returnself.operation.operation.nameelse:# processing ends in execute_completeself.defer(trigger=DataprocBatchTrigger(batch_id=self.batch_id,project_id=self.project_id,region=self.region,gcp_conn_id=self.gcp_conn_id,impersonation_chain=self.impersonation_chain,polling_interval_seconds=self.polling_interval_seconds,),method_name="execute_complete",)exceptAlreadyExists:self.log.info("Batch with given id already exists")# This is only likely to happen if batch_id was provided# Could be running if Airflow was restarted after task started# poll until a final state is reachedself.log.info("Attaching to the job %s if it is still running.",self.batch_id)# deferrable handling of a batch_id that already exists - processing ends in execute_completeifself.deferrable:self.defer(trigger=DataprocBatchTrigger(batch_id=self.batch_id,project_id=self.project_id,region=self.region,gcp_conn_id=self.gcp_conn_id,impersonation_chain=self.impersonation_chain,polling_interval_seconds=self.polling_interval_seconds,),method_name="execute_complete",)# non-deferrable handling of a batch_id that already existsresult=hook.wait_for_batch(batch_id=self.batch_id,region=self.region,project_id=self.project_id,retry=self.retry,timeout=self.timeout,metadata=self.metadata,wait_check_interval=self.polling_interval_seconds,)batch_id=self.batch_idorresult.name.split("/")[-1]self.handle_batch_status(context,result.state,batch_id)project_id=self.project_idorhook.project_idifproject_id:DataprocBatchLink.persist(context=context,operator=self,project_id=project_id,region=self.region,batch_id=batch_id,)returnBatch.to_dict(result)
[docs]defexecute_complete(self,context,event=None)->None:"""Callback for when the trigger fires. This returns immediately. It relies on trigger to throw an exception, otherwise it assumes execution was successful. """ifeventisNone:raiseAirflowException("Batch failed.")state=event["batch_state"]batch_id=event["batch_id"]self.handle_batch_status(context,state,batch_id)
[docs]defhandle_batch_status(self,context:Context,state:Batch.State,batch_id:str)->None:# The existing batch may be a number of states other than 'SUCCEEDED'\# wait_for_operation doesn't fail if the job is cancelled, so we will check for it here which also# finds a cancelling|canceled|unspecified job from wait_for_batch or the deferred triggerlink=DATAPROC_BATCH_LINK.format(region=self.region,project_id=self.project_id,batch_id=batch_id)ifstate==Batch.State.FAILED:raiseAirflowException("Batch job %s failed. Driver Logs: %s",batch_id,link)ifstatein(Batch.State.CANCELLED,Batch.State.CANCELLING):raiseAirflowException("Batch job %s was cancelled. Driver logs: %s",batch_id,link)ifstate==Batch.State.STATE_UNSPECIFIED:raiseAirflowException("Batch job %s unspecified. Driver logs: %s",batch_id,link)self.log.info("Batch job %s completed. Driver logs: %s",batch_id,link)
[docs]classDataprocDeleteBatchOperator(GoogleCloudBaseOperator):"""Delete the batch workload resource. :param batch_id: Required. The ID to use for the batch, which will become the final component of the batch's resource name. This value must be 4-63 characters. Valid characters are /[a-z][0-9]-/. :param region: Required. The Cloud Dataproc region in which to handle the request. :param project_id: Optional. The ID of the Google Cloud project that the cluster belongs to. :param retry: A retry object used to retry requests. If ``None`` is specified, requests will not be retried. :param timeout: The amount of time, in seconds, to wait for the request to complete. Note that if ``retry`` is specified, the timeout applies to each individual attempt. :param metadata: Additional metadata that is provided to the method. :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]classDataprocGetBatchOperator(GoogleCloudBaseOperator):"""Get the batch workload resource representation. :param batch_id: Required. The ID to use for the batch, which will become the final component of the batch's resource name. This value must be 4-63 characters. Valid characters are /[a-z][0-9]-/. :param region: Required. The Cloud Dataproc region in which to handle the request. :param project_id: Optional. The ID of the Google Cloud project that the cluster belongs to. :param retry: A retry object used to retry requests. If ``None`` is specified, requests will not be retried. :param timeout: The amount of time, in seconds, to wait for the request to complete. Note that if ``retry`` is specified, the timeout applies to each individual attempt. :param metadata: Additional metadata that is provided to the method. :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]classDataprocListBatchesOperator(GoogleCloudBaseOperator):"""List batch workloads. :param region: Required. The Cloud Dataproc region in which to handle the request. :param project_id: Optional. The ID of the Google Cloud project that the cluster belongs to. :param page_size: Optional. The maximum number of batches to return in each response. The service may return fewer than this value. The default page size is 20; the maximum page size is 1000. :param page_token: Optional. A page token received from a previous ``ListBatches`` call. Provide this token to retrieve the subsequent page. :param retry: Optional, a retry object used to retry requests. If `None` is specified, requests will not be retried. :param timeout: Optional, the amount of time, in seconds, to wait for the request to complete. Note that if `retry` is specified, the timeout applies to each individual attempt. :param metadata: Optional, additional metadata that is provided to the method. :param gcp_conn_id: Optional, the connection ID used to connect to Google Cloud Platform. :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). :param filter: Result filters as specified in ListBatchesRequest :param order_by: How to order results as specified in ListBatchesRequest """
[docs]classDataprocCancelOperationOperator(GoogleCloudBaseOperator):"""Cancel the batch workload resource. :param operation_name: Required. The name of the operation resource to be cancelled. :param region: Required. The Cloud Dataproc region in which to handle the request. :param project_id: Optional. The ID of the Google Cloud project that the cluster belongs to. :param retry: A retry object used to retry requests. If ``None`` is specified, requests will not be retried. :param timeout: The amount of time, in seconds, to wait for the request to complete. Note that if ``retry`` is specified, the timeout applies to each individual attempt. :param metadata: Additional metadata that is provided to the method. :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). """