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Error on build_deploy_test.yaml

I get the following error on the build using composer 1.17.2 airflow 2.12:

airflow variables command error: argument COMMAND: invalid choice: 'dataflow_jar_file_test' (choose from 'delete', 'export', 'get', 'import', 'list', 'set'), see help above.
command terminated with exit code 2
usage: airflow variables [-h] COMMAND ...
ERROR: (gcloud.composer.environments.run) kubectl returned non-zero status code.

The solution was the same as #11 ,

- args: ['composer', 'environments', 'run', '${_COMPOSER_ENV_NAME}', '--location', '${_COMPOSER_REGION}','variables', '-', '--set', 'dataflow_jar_file_test', 'dataflow_deployment_$BUILD_ID.jar']

+ args: ['composer', 'environments', 'run', '${_COMPOSER_ENV_NAME}', '--location', '${_COMPOSER_REGION}','variables','--', 'set', 'dataflow_jar_file_test', 'dataflow_deployment_$BUILD_ID.jar']

Error on set_composer_variables.sh

I get the following error when executing set_composer_variables script on composer 1.17.2 airflow 2.12:

ERROR: (gcloud.composer.environments.run) argument SUBCOMMAND: Must be specified.
Usage: gcloud composer environments run (ENVIRONMENT : --location=LOCATION) SUBCOMMAND [SUBCOMMAND_NESTED] [optional flags] [-- CMD_ARGS ...]
optional flags may be --help | --location

I fixed it by remove the extra '--' as follows:

- --location "${COMPOSER_REGION}" variables -- --set "${i}" "${variables[$i]}"
+ --location "${COMPOSER_REGION}" variables -- set "${i}" "${variables[$i]}"

Test DAG runs failing due to change in sharding behavior.

The "download_result_" tasks are failing when a DAG run is created based on the DAG defined in https://github.com/GoogleCloudPlatform/ci-cd-for-data-processing-workflow/blob/master/source-code/workflow-dag/data-pipeline-test.py. The Dataflow pipeline runs successfully, but the sharding behavior has changed since this DAG was first written. All of the output is written to a single shard instead of multiple shards and the download_result_ tasks fail with a "File not found error". The logs from the error message for the download_result_1 task are included below.

Suggested fix: If we want to keep the parallel tasks for the sake of demonstration, we could change line 185 in https://github.com/GoogleCloudPlatform/ci-cd-for-data-processing-workflow/blob/master/source-code/data-processing-code/src/main/java/org/apache/beam/examples/WordCount.java to

.apply("WriteCounts", TextIO.write().to(options.getOutput()).withNumShards(3));

Error log from download_result_1 task:

*** Reading remote log from gs://us-central1-data-pipeline-c-ae7165ed-bucket/logs/test_word_count/download_result_1/2021-10-18T21:16:11+00:00/1.log.
[2021-10-18 21:22:08,103] {taskinstance.py:671} INFO - Dependencies all met for <TaskInstance: test_word_count.download_result_1 2021-10-18T21:16:11+00:00 [queued]>
[2021-10-18 21:22:08,176] {taskinstance.py:671} INFO - Dependencies all met for <TaskInstance: test_word_count.download_result_1 2021-10-18T21:16:11+00:00 [queued]>
[2021-10-18 21:22:08,177] {taskinstance.py:881} INFO - 
--------------------------------------------------------------------------------
[2021-10-18 21:22:08,178] {taskinstance.py:882} INFO - Starting attempt 1 of 1
[2021-10-18 21:22:08,178] {taskinstance.py:883} INFO - 
--------------------------------------------------------------------------------
[2021-10-18 21:22:08,226] {taskinstance.py:902} INFO - Executing <Task(GoogleCloudStorageDownloadOperator): download_result_1> on 2021-10-18T21:16:11+00:00
[2021-10-18 21:22:08,230] {standard_task_runner.py:54} INFO - Started process 817 to run task
[2021-10-18 21:22:08,317] {standard_task_runner.py:77} INFO - Running: ['airflow', 'run', 'test_word_count', 'download_result_1', '2021-10-18T21:16:11+00:00', '--job_id', '10', '--pool', 'default_pool', '--raw', '-sd', 'DAGS_FOLDER/data-pipeline-test.py', '--cfg_path', '/tmp/tmpoA3Yca']
[2021-10-18 21:22:08,318] {standard_task_runner.py:78} INFO - Job 10: Subtask download_result_1
[2021-10-18 21:22:09,010] {logging_mixin.py:120} INFO - Running <TaskInstance: test_word_count.download_result_1 2021-10-18T21:16:11+00:00 [running]> on host airflow-worker-86677b8bb6-dnz5q
[2021-10-18 21:22:09,351] {gcs_download_operator.py:86} INFO - Executing download: qwiklabs-gcp-03-cd2d00dd104f-composer-result-test, output-00000-of-00003, None
[2021-10-18 21:22:09,401] {gcp_api_base_hook.py:145} INFO - Getting connection using `google.auth.default()` since no key file is defined for hook.
[2021-10-18 21:22:09,617] {taskinstance.py:1152} ERROR - 404 GET https://storage.googleapis.com/download/storage/v1/b/qwiklabs-gcp-03-cd2d00dd104f-composer-result-test/o/output-00000-of-00003?alt=media: No such object: qwiklabs-gcp-03-cd2d00dd104f-composer-result-test/output-00000-of-00003: (u'Request failed with status code', 404, u'Expected one of', 200, 206)
Traceback (most recent call last):
  File "/usr/local/lib/airflow/airflow/models/taskinstance.py", line 985, in _run_raw_task
    result = task_copy.execute(context=context)
  File "/usr/local/lib/airflow/airflow/contrib/operators/gcs_download_operator.py", line 94, in execute
    object=self.object)
  File "/usr/local/lib/airflow/airflow/contrib/hooks/gcs_hook.py", line 179, in download
    return blob.download_as_string()
  File "/usr/local/lib/python2.7/dist-packages/google/cloud/storage/blob.py", line 1391, in download_as_string
    timeout=timeout,
  File "/usr/local/lib/python2.7/dist-packages/google/cloud/storage/blob.py", line 1302, in download_as_bytes
    checksum=checksum,
  File "/usr/local/lib/python2.7/dist-packages/google/cloud/storage/client.py", line 731, in download_blob_to_file
    _raise_from_invalid_response(exc)
  File "/usr/local/lib/python2.7/dist-packages/google/cloud/storage/blob.py", line 3936, in _raise_from_invalid_response
    raise exceptions.from_http_status(response.status_code, message, response=response)
NotFound: 404 GET https://storage.googleapis.com/download/storage/v1/b/qwiklabs-gcp-03-cd2d00dd104f-composer-result-test/o/output-00000-of-00003?alt=media: No such object: qwiklabs-gcp-03-cd2d00dd104f-composer-result-test/output-00000-of-00003: (u'Request failed with status code', 404, u'Expected one of', 200, 206)
[2021-10-18 21:22:09,668] {taskinstance.py:1196} INFO - Marking task as FAILED. dag_id=test_word_count, task_id=download_result_1, execution_date=20211018T211611, start_date=20211018T212208, end_date=20211018T212209
[2021-10-18 21:22:13,158] {local_task_job.py:102} INFO - Task exited with return code 1

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