yandexcloud_dataproc

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#
# http://www.apache.org/licenses/LICENSE-2.0
#
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from airflow import DAG
from airflow.providers.yandex.operators.yandexcloud_dataproc import (
DataprocCreateClusterOperator,
DataprocCreateHiveJobOperator,
DataprocCreateMapReduceJobOperator,
DataprocCreatePysparkJobOperator,
DataprocCreateSparkJobOperator,
DataprocDeleteClusterOperator,
)
from airflow.utils.dates import days_ago
# should be filled with appropriate ids
# Airflow connection with type "yandexcloud" must be created.
# By default connection with id "yandexcloud_default" will be used
CONNECTION_ID = 'yandexcloud_default'
# Name of the datacenter where Dataproc cluster will be created
AVAILABILITY_ZONE_ID = 'ru-central1-c'
# Dataproc cluster jobs will produce logs in specified s3 bucket
S3_BUCKET_NAME_FOR_JOB_LOGS = ''
default_args = {
'owner': 'airflow',
}
with DAG(
'example_yandexcloud_dataproc_operator',
default_args=default_args,
schedule_interval=None,
start_date=days_ago(1),
tags=['example'],
) as dag:
create_cluster = DataprocCreateClusterOperator(
task_id='create_cluster',
zone=AVAILABILITY_ZONE_ID,
connection_id=CONNECTION_ID,
s3_bucket=S3_BUCKET_NAME_FOR_JOB_LOGS,
)
create_hive_query = DataprocCreateHiveJobOperator(
task_id='create_hive_query',
query='SELECT 1;',
)
create_hive_query_from_file = DataprocCreateHiveJobOperator(
task_id='create_hive_query_from_file',
query_file_uri='s3a://data-proc-public/jobs/sources/hive-001/main.sql',
script_variables={
'CITIES_URI': 's3a://data-proc-public/jobs/sources/hive-001/cities/',
'COUNTRY_CODE': 'RU',
},
)
create_mapreduce_job = DataprocCreateMapReduceJobOperator(
task_id='create_mapreduce_job',
main_class='org.apache.hadoop.streaming.HadoopStreaming',
file_uris=[
's3a://data-proc-public/jobs/sources/mapreduce-001/mapper.py',
's3a://data-proc-public/jobs/sources/mapreduce-001/reducer.py',
],
args=[
'-mapper',
'mapper.py',
'-reducer',
'reducer.py',
'-numReduceTasks',
'1',
'-input',
's3a://data-proc-public/jobs/sources/data/cities500.txt.bz2',
'-output',
f's3a://{S3_BUCKET_NAME_FOR_JOB_LOGS}/dataproc/job/results',
],
properties={
'yarn.app.mapreduce.am.resource.mb': '2048',
'yarn.app.mapreduce.am.command-opts': '-Xmx2048m',
'mapreduce.job.maps': '6',
},
)
create_spark_job = DataprocCreateSparkJobOperator(
task_id='create_spark_job',
main_jar_file_uri='s3a://data-proc-public/jobs/sources/java/dataproc-examples-1.0.jar',
main_class='ru.yandex.cloud.dataproc.examples.PopulationSparkJob',
file_uris=[
's3a://data-proc-public/jobs/sources/data/config.json',
],
archive_uris=[
's3a://data-proc-public/jobs/sources/data/country-codes.csv.zip',
],
jar_file_uris=[
's3a://data-proc-public/jobs/sources/java/icu4j-61.1.jar',
's3a://data-proc-public/jobs/sources/java/commons-lang-2.6.jar',
's3a://data-proc-public/jobs/sources/java/opencsv-4.1.jar',
's3a://data-proc-public/jobs/sources/java/json-20190722.jar',
],
args=[
's3a://data-proc-public/jobs/sources/data/cities500.txt.bz2',
f's3a://{S3_BUCKET_NAME_FOR_JOB_LOGS}/dataproc/job/results/${{JOB_ID}}',
],
properties={
'spark.submit.deployMode': 'cluster',
},
)
create_pyspark_job = DataprocCreatePysparkJobOperator(
task_id='create_pyspark_job',
main_python_file_uri='s3a://data-proc-public/jobs/sources/pyspark-001/main.py',
python_file_uris=[
's3a://data-proc-public/jobs/sources/pyspark-001/geonames.py',
],
file_uris=[
's3a://data-proc-public/jobs/sources/data/config.json',
],
archive_uris=[
's3a://data-proc-public/jobs/sources/data/country-codes.csv.zip',
],
args=[
's3a://data-proc-public/jobs/sources/data/cities500.txt.bz2',
f's3a://{S3_BUCKET_NAME_FOR_JOB_LOGS}/jobs/results/${{JOB_ID}}',
],
jar_file_uris=[
's3a://data-proc-public/jobs/sources/java/dataproc-examples-1.0.jar',
's3a://data-proc-public/jobs/sources/java/icu4j-61.1.jar',
's3a://data-proc-public/jobs/sources/java/commons-lang-2.6.jar',
],
properties={
'spark.submit.deployMode': 'cluster',
},
)
delete_cluster = DataprocDeleteClusterOperator(
task_id='delete_cluster',
)
create_cluster >> create_mapreduce_job >> create_hive_query >> create_hive_query_from_file
create_hive_query_from_file >> create_spark_job >> create_pyspark_job >> delete_cluster
Last Updated by peter-volkovpeter-volkov