cloud-foundation-fabric/blueprints/data-solutions/data-platform-minimal/demo/dag_dataproc_gcs2bq.py

90 lines
3.4 KiB
Python

#!/usr/bin/env python
# Copyright 2019 Google LLC
#
# Licensed 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.
import time
from airflow import models
from airflow.models.variable import Variable
from airflow.operators import empty
from airflow.providers.google.cloud.operators.dataproc import (
DataprocCreateBatchOperator)
from airflow.utils.dates import days_ago
# --------------------------------------------------------------------------------
# Get variables
# --------------------------------------------------------------------------------
BQ_LOCATION = Variable.get("BQ_LOCATION")
CURATED_BQ_DATASET = Variable.get("CURATED_BQ_DATASET")
CURATED_GCS = Variable.get("CURATED_GCS")
CURATED_PRJ = Variable.get("CURATED_PRJ")
DP_KMS_KEY = Variable.get("DP_KMS_KEY", "")
DP_REGION = Variable.get("DP_REGION")
LAND_PRJ = Variable.get("LAND_PRJ")
LAND_BQ_DATASET = Variable.get("LAND_BQ_DATASET")
LAND_GCS = Variable.get("LAND_GCS")
PHS_CLUSTER_NAME = Variable.get("PHS_CLUSTER_NAME")
PROCESSING_GCS = Variable.get("PROCESSING_GCS")
PROCESSING_PRJ = Variable.get("PROCESSING_PRJ")
PROCESSING_SA = Variable.get("PROCESSING_SA")
PROCESSING_SUBNET = Variable.get("PROCESSING_SUBNET")
PROCESSING_VPC = Variable.get("PROCESSING_VPC")
PYTHON_FILE_LOCATION = PROCESSING_GCS + "/pyspark_gcs2bq.py"
PHS_CLUSTER_PATH = "projects/" + PROCESSING_PRJ + "/regions/" + DP_REGION + "/clusters/" + PHS_CLUSTER_NAME
SPARK_BIGQUERY_JAR_FILE = "gs://spark-lib/bigquery/spark-bigquery-with-dependencies_2.13-0.29.0.jar"
BATCH_ID = "batch-create-phs-" + str(int(time.time()))
default_args = {
# Tell airflow to start one day ago, so that it runs as soon as you upload it
"start_date": days_ago(1),
"region": DP_REGION,
}
with models.DAG(
"dataproc_batch_gcs2bq", # The id you will see in the DAG airflow page
default_args=default_args, # The interval with which to schedule the DAG
schedule_interval=None, # Override to match your needs
) as dag:
start = empty.EmptyOperator(task_id='start', trigger_rule='all_success')
end = empty.EmptyOperator(task_id='end', trigger_rule='all_success')
create_batch = DataprocCreateBatchOperator(
task_id="batch_create", project_id=PROCESSING_PRJ, batch_id=BATCH_ID,
batch={
"environment_config": {
"execution_config": {
"service_account": PROCESSING_SA,
"subnetwork_uri": PROCESSING_SUBNET
},
"peripherals_config": {
"spark_history_server_config": {
"dataproc_cluster": PHS_CLUSTER_PATH
}
}
},
"pyspark_batch": {
"args": [
LAND_GCS + "/customers.csv",
CURATED_PRJ + ":" + CURATED_BQ_DATASET + ".customers",
PROCESSING_GCS[5:]
],
"main_python_file_uri": PYTHON_FILE_LOCATION,
"jar_file_uris": [SPARK_BIGQUERY_JAR_FILE]
}
})
start >> create_batch >> end