def test_execute(self, mock_hook):
mock_instance = mock_hook.return_value
operator = LocalFilesystemToGCSOperator(task_id='gcs_to_file_sensor',
dag=self.dag,
**self._config)
operator.execute(None)
mock_instance.upload.assert_called_once_with(
bucket_name=self._config['bucket'],
filename=self._config['src'],
gzip=self._config['gzip'],
mime_type=self._config['mime_type'],
object_name=self._config['dst'])
def test_execute_negative(self, mock_hook):
mock_instance = mock_hook.return_value
operator = LocalFilesystemToGCSOperator(
task_id='gcs_to_file_sensor',
dag=self.dag,
src='/tmp/fake*.csv',
dst='test/test1.csv',
**self._config,
)
print(glob('/tmp/fake*.csv'))
with pytest.raises(ValueError):
operator.execute(None)
mock_instance.assert_not_called()
def test_init(self):
operator = LocalFilesystemToGCSOperator(task_id='file_to_gcs_operator',
dag=self.dag,
**self._config)
self.assertEqual(operator.src, self._config['src'])
self.assertEqual(operator.dst, self._config['dst'])
self.assertEqual(operator.bucket, self._config['bucket'])
self.assertEqual(operator.mime_type, self._config['mime_type'])
self.assertEqual(operator.gzip, self._config['gzip'])
def test_execute_wildcard(self, mock_hook):
mock_instance = mock_hook.return_value
operator = LocalFilesystemToGCSOperator(
task_id='gcs_to_file_sensor', dag=self.dag, src='/tmp/fake*.csv', dst='test/', **self._config
)
operator.execute(None)
object_names = ['test/' + os.path.basename(fp) for fp in glob('/tmp/fake*.csv')]
files_objects = zip(glob('/tmp/fake*.csv'), object_names)
calls = [
mock.call(
bucket_name=self._config['bucket'],
filename=filepath,
gzip=self._config['gzip'],
mime_type=self._config['mime_type'],
object_name=object_name,
)
for filepath, object_name in files_objects
]
mock_instance.upload.assert_has_calls(calls)
def bs_customer_invoice_chinook_dag():
@task()
def extract_transform():
conn = sqlite3.connect(f"{DATA_PATH}/chinook.db")
with open(f"{BASE_PATH}/sql/chinook.sql", "r") as query:
df = pd.read_sql(query.read(), conn)
df.to_csv(OUT_PATH, index=False, header=False) #prevent on create Index column and exclude the header row
start = DummyOperator(task_id='start')
end = DummyOperator(task_id='end')
extracted_transformed_data = extract_transform()
stored_data_gcs = LocalFilesystemToGCSOperator(
task_id="store_to_gcs",
gcp_conn_id=GOOGLE_CLOUD_CONN_ID,
src=OUT_PATH,
dst=GCS_OBJECT_NAME,
bucket=BUCKET_NAME
)
loaded_data_bigquery = GCSToBigQueryOperator(
task_id='load_to_bigquery',
bigquery_conn_id=GOOGLE_CLOUD_CONN_ID,
bucket=BUCKET_NAME,
source_objects=[GCS_OBJECT_NAME],
destination_project_dataset_table=f"{DATASET_ID}.{BIGQUERY_TABLE_NAME}",
schema_fields=[ #based on https://cloud.google.com/bigquery/docs/schemas
{'name': 'customer_id', 'type': 'INT64', 'mode': 'REQUIRED'},
{'name': 'full_name', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'company', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'address', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'city', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'state', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'country', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'postal_code', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'phone', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'fax', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'email', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'invoice_id', 'type': 'INT64', 'mode': 'NULLABLE'},
{'name': 'invoice_date', 'type': 'DATE', 'mode': 'NULLABLE'},
{'name': 'billing_address', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'billing_city', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'billing_state', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'billing_country', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'billing_postal_code', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'total', 'type': 'FLOAT64', 'mode': 'NULLABLE'},
],
autodetect=False,
write_disposition='WRITE_TRUNCATE', #If the table already exists - overwrites the table data
)
start >> extracted_transformed_data
extracted_transformed_data >> stored_data_gcs
stored_data_gcs >> loaded_data_bigquery
loaded_data_bigquery >> end
def test_execute_multiple(self, mock_hook):
mock_instance = mock_hook.return_value
operator = LocalFilesystemToGCSOperator(
task_id='gcs_to_file_sensor', dag=self.dag, src=self.testfiles, dst='test/', **self._config
)
operator.execute(None)
files_objects = zip(
self.testfiles, ['test/' + os.path.basename(testfile) for testfile in self.testfiles]
)
calls = [
mock.call(
bucket_name=self._config['bucket'],
filename=filepath,
gzip=self._config['gzip'],
mime_type=self._config['mime_type'],
object_name=object_name,
)
for filepath, object_name in files_objects
]
mock_instance.upload.assert_has_calls(calls)
def test_init(self):
operator = LocalFilesystemToGCSOperator(
task_id='file_to_gcs_operator',
dag=self.dag,
src=self.testfile1,
dst='test/test1.csv',
**self._config,
)
self.assertEqual(operator.src, self.testfile1)
self.assertEqual(operator.dst, 'test/test1.csv')
self.assertEqual(operator.bucket, self._config['bucket'])
self.assertEqual(operator.mime_type, self._config['mime_type'])
self.assertEqual(operator.gzip, self._config['gzip'])
def test_init(self):
operator = LocalFilesystemToGCSOperator(
task_id='file_to_gcs_operator',
dag=self.dag,
src=self.testfile1,
dst='test/test1.csv',
**self._config,
)
assert operator.src == self.testfile1
assert operator.dst == 'test/test1.csv'
assert operator.bucket == self._config['bucket']
assert operator.mime_type == self._config['mime_type']
assert operator.gzip == self._config['gzip']
def bs_database_sqlite_dag():
@task()
def extract_transform():
conn = sqlite3.connect(f"{DATA_PATH}/database.sqlite")
with open(f"{BASE_PATH}/sql/database_sqlite.sql", "r") as query:
df = pd.read_sql(query.read(), conn)
df.to_csv(OUT_PATH, index=False, header=False
) #prevent on create Index column and exclude the header row
start = DummyOperator(task_id='start')
end = DummyOperator(task_id='end')
extracted_transformed_data = extract_transform()
stored_data_gcs = LocalFilesystemToGCSOperator(
task_id="store_to_gcs",
gcp_conn_id=GOOGLE_CLOUD_CONN_ID,
src=OUT_PATH,
dst='extract_transform_database_sqlite.csv',
bucket=BUCKET_NAME)
loaded_data_bigquery = GCSToBigQueryOperator(
task_id='load_to_bigquery',
bigquery_conn_id=GOOGLE_CLOUD_CONN_ID,
bucket=BUCKET_NAME,
source_objects=[GCS_OBJECT_NAME],
destination_project_dataset_table=f"{DATASET_ID}.{BIGQUERY_TABLE_NAME}",
schema_fields=[ #based on https://cloud.google.com/bigquery/docs/schemas
{
'name': 'reviewid',
'type': 'INT64',
'mode': 'REQUIRED'
},
{
'name': 'title',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'artist',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'url',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'score',
'type': 'FLOAT64',
'mode': 'NULLABLE'
},
{
'name': 'best_new_music',
'type': 'INTEGER',
'mode': 'NULLABLE'
},
{
'name': 'author',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'author_type',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'pub_date',
'type': 'DATE',
'mode': 'NULLABLE'
},
{
'name': 'pub_weekday',
'type': 'INT64',
'mode': 'NULLABLE'
},
{
'name': 'pub_day',
'type': 'INT64',
'mode': 'NULLABLE'
},
{
'name': 'pub_month',
'type': 'INT64',
'mode': 'NULLABLE'
},
{
'name': 'pub_year',
'type': 'INT64',
'mode': 'NULLABLE'
},
{
'name': 'concat_genre',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'concat_label',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'concat_year',
'type': 'STRING',
'mode': 'NULLABLE'
},
],
autodetect=False,
write_disposition=
'WRITE_TRUNCATE', #If the table already exists - overwrites the table data
)
start >> extracted_transformed_data
extracted_transformed_data >> stored_data_gcs
stored_data_gcs >> loaded_data_bigquery
loaded_data_bigquery >> end
fork = DummyOperator(task_id='fork', trigger_rule='one_success', dag=dag)
join = DummyOperator(task_id='join', trigger_rule='one_success', dag=dag)
t_downloadlogtocloud = BashOperator(task_id="download_state_file",
bash_command=downloadlogscript,
dag=dag)
t_removefile = BashOperator(
task_id='remove_temp_file',
bash_command=removetempfile,
dag=dag,
)
## change it suitable to your setting
t_analytics = LocalFilesystemToGCSOperator(task_id="uploadtostorage",
src=destination_file,
dst=gcsdir,
bucket=GCS_BUCKET,
gcp_conn_id=GCS_CONN_ID,
dag=dag)
## change it suitable for your setting
t_sendresult = SimpleHttpOperator(task_id='sendnotification',
method='POST',
http_conn_id='notificationserver',
endpoint='api/logUpdate',
data=json.dumps({"source_file":
source_file}),
headers={"Content-Type": "application/json"},
dag=dag)
'''
the dependencies among tasks
'''
t_downloadlogtocloud >> t_analytics
check_dataset = BranchPythonOperator(task_id='check_dataset',
python_callable=check_dataset,
dag=dag,
trigger_rule='none_failed_or_skipped')
extract_mysql_to_local_pq = PythonOperator(task_id='extract_mysql_to_local_pq',
python_callable=mysql_to_pq,
op_kwargs=func_param,
trigger_rule='all_done',
dag=dag)
local_pq_to_gcs = LocalFilesystemToGCSOperator(
task_id='local_pq_to_gcs',
src=func_param['source_transform'],
dst=func_param['dest_blob_transform'],
bucket=func_param['bucket_name'],
gcp_conn_id='google_cloud_default',
trigger_rule='all_done',
dag=dag)
load_gcs_pq_to_bq = GCSToBigQueryOperator(
task_id='load_gcs_pq_to_bq',
bucket=func_param['bucket_name'],
source_objects=[func_param['dest_blob_transform']
], #default take list of objects,
destination_project_dataset_table='project_four_airflow.sales',
source_format='PARQUET',
write_disposition='WRITE_APPEND',
google_cloud_storage_conn_id='google_cloud_default',
trigger_rule='all_done',
dag=dag)
def bs_file1000_dag():
@task()
def extract_transform():
df = pd.read_excel(f"{DATA_PATH}/file_1000.xls",
index_col=0).reset_index(drop=True)
df = df.drop(columns='First Name.1')
df['full_name'] = df['First Name'] + " " + df['Last Name']
df['gender'] = df['Gender'].apply(lambda row: 'M'
if row == 'Male' else 'F')
df['date'] = pd.to_datetime(df['Date'],
format='%d/%m/%Y',
errors='coerce')
df = df.drop(columns=['Date', 'Gender'])
df.columns = [
'first_name', 'last_name', 'country', 'age', 'id', 'full_name',
'gender', 'date'
]
df = df.reindex(columns=[
'id', 'first_name', 'last_name', 'full_name', 'date', 'age',
'gender', 'country'
]).reset_index(drop=True)
df.to_csv(OUT_PATH, index=False, header=False)
start = DummyOperator(task_id='start')
end = DummyOperator(task_id='end')
extract_task = extract_transform()
stored_data_gcs = LocalFilesystemToGCSOperator(
task_id="store_to_gcs",
gcp_conn_id=GOOGLE_CLOUD_CONN_ID,
src=OUT_PATH,
dst=GCS_OBJECT_NAME,
bucket=BUCKET_NAME)
loaded_data_bigquery = GCSToBigQueryOperator(
task_id='load_to_bigquery',
bigquery_conn_id=GOOGLE_CLOUD_CONN_ID,
bucket=BUCKET_NAME,
source_objects=[GCS_OBJECT_NAME],
destination_project_dataset_table=f"{DATASET_ID}.{BIGQUERY_TABLE_NAME}",
schema_fields=[ #based on https://cloud.google.com/bigquery/docs/schemas
{
'name': 'id',
'type': 'INT64',
'mode': 'REQUIRED'
},
{
'name': 'first_name',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'last_name',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'full_name',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'date',
'type': 'DATE',
'mode': 'NULLABLE'
},
{
'name': 'age',
'type': 'INT64',
'mode': 'NULLABLE'
},
{
'name': 'gender',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'country',
'type': 'STRING',
'mode': 'NULLABLE'
},
],
autodetect=False,
write_disposition=
'WRITE_TRUNCATE', #If the table already exists - overwrites the table data
)
start >> extract_task
extract_task >> stored_data_gcs
stored_data_gcs >> loaded_data_bigquery
loaded_data_bigquery >> end
def bs_disaster_dag():
@task()
def extract_transform():
df = pd.read_csv(f"{DATA_PATH}/disaster_data.csv")
columns = ['text', 'location']
for column in columns:
df[column] = df[column].str.replace(r'\s{2,}', ' ', regex=True)
df[column] = df[column].str.replace(r"[^a-zA-Z0-9\,]",
' ',
regex=True)
df.to_csv(OUT_PATH, index=False, header=False)
start = DummyOperator(task_id='start')
end = DummyOperator(task_id='end')
extract_transform_task = extract_transform()
stored_data_gcs = LocalFilesystemToGCSOperator(
task_id="store_to_gcs",
gcp_conn_id=GOOGLE_CLOUD_CONN_ID,
src=OUT_PATH,
dst=GCS_OBJECT_NAME,
bucket=BUCKET_NAME)
loaded_data_bigquery = GCSToBigQueryOperator(
task_id='load_to_bigquery',
bigquery_conn_id=GOOGLE_CLOUD_CONN_ID,
bucket=BUCKET_NAME,
source_objects=[GCS_OBJECT_NAME],
destination_project_dataset_table=f"{DATASET_ID}.{BIGQUERY_TABLE_NAME}",
schema_fields=[ #based on https://cloud.google.com/bigquery/docs/schemas
{
'name': 'id',
'type': 'INT64',
'mode': 'REQUIRED'
},
{
'name': 'keyword',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'location',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'text',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'target',
'type': 'INT64',
'mode': 'NULLABLE'
},
],
autodetect=False,
write_disposition=
'WRITE_TRUNCATE', #If the table already exists - overwrites the table data
)
start >> extract_transform_task
extract_transform_task >> stored_data_gcs
stored_data_gcs >> loaded_data_bigquery
loaded_data_bigquery >> end
create_bucket1 = GCSCreateBucketOperator(
task_id="create_bucket1", bucket_name=BUCKET_1, project_id=PROJECT_ID
)
create_bucket2 = GCSCreateBucketOperator(
task_id="create_bucket2", bucket_name=BUCKET_2, project_id=PROJECT_ID
)
list_buckets = GCSListObjectsOperator(task_id="list_buckets", bucket=BUCKET_1)
list_buckets_result = BashOperator(
task_id="list_buckets_result", bash_command="echo \"{{ task_instance.xcom_pull('list_buckets') }}\"",
)
upload_file = LocalFilesystemToGCSOperator(
task_id="upload_file", src=PATH_TO_UPLOAD_FILE, dst=BUCKET_FILE_LOCATION, bucket=BUCKET_1,
)
transform_file = GCSFileTransformOperator(
task_id="transform_file",
source_bucket=BUCKET_1,
source_object=BUCKET_FILE_LOCATION,
transform_script=["python", PATH_TO_TRANSFORM_SCRIPT],
)
# [START howto_operator_gcs_bucket_create_acl_entry_task]
gcs_bucket_create_acl_entry_task = GCSBucketCreateAclEntryOperator(
bucket=BUCKET_1,
entity=GCS_ACL_ENTITY,
role=GCS_ACL_BUCKET_ROLE,
task_id="gcs_bucket_create_acl_entry_task",
)
def bs_reviews_dag():
@task()
def merge_reviews(reviews: list):
df_merge = pd.concat([pd.read_json(review) for review in reviews],
ignore_index=True)
print(df_merge)
df_merge.to_csv(OUT_PATH, index=False, header=False)
@task()
def extract_reviews(filename):
print(filename)
file_path = f"{DATA_PATH}/{filename}"
if 'csv' in filename:
df = pd.read_csv(file_path)
else:
df = pd.read_excel(file_path)
print(df)
return df.to_json()
start = DummyOperator(task_id='start')
end = DummyOperator(task_id='end')
filenames = os.listdir(DATA_PATH)
filtered_filename = list(
filter(lambda filename: re.match(r"(^reviews)", filename), filenames))
extracted_list = []
for i in range(len(filtered_filename)):
extracted = extract_reviews(filtered_filename[i])
extracted_list.append(extracted)
merged = merge_reviews(extracted_list)
stored_data_gcs = LocalFilesystemToGCSOperator(
task_id="store_to_gcs",
gcp_conn_id=GOOGLE_CLOUD_CONN_ID,
src=OUT_PATH,
dst=GCS_OBJECT_NAME,
bucket=BUCKET_NAME)
loaded_data_bigquery = GCSToBigQueryOperator(
task_id='load_to_bigquery',
bigquery_conn_id=GOOGLE_CLOUD_CONN_ID,
bucket=BUCKET_NAME,
source_objects=[GCS_OBJECT_NAME],
destination_project_dataset_table=f"{DATASET_ID}.{BIGQUERY_TABLE_NAME}",
schema_fields=[ #based on https://cloud.google.com/bigquery/docs/schemas
{
'name': 'listing_id',
'type': 'INT64',
'mode': 'NULLABLE'
},
{
'name': 'id',
'type': 'INT64',
'mode': 'REQUIRED'
},
{
'name': 'date',
'type': 'DATE',
'mode': 'NULLABLE'
},
{
'name': 'reviewer_id',
'type': 'INT64',
'mode': 'NULLABLE'
},
{
'name': 'reviewer_name',
'type': 'STRING',
'mode': 'NULLABLE'
},
{
'name': 'comments',
'type': 'STRING',
'mode': 'NULLABLE'
},
],
autodetect=False,
allow_quoted_newlines=True,
write_disposition=
'WRITE_TRUNCATE', #If the table already exists - overwrites the table data
)
start >> extracted_list >> merged
merged >> stored_data_gcs
stored_data_gcs >> loaded_data_bigquery >> end
def bs_tweets_dag():
@task()
def extract_transform_tweets():
df = pd.read_json(f"{DATA_PATH}/tweet_data.json", lines=True)
df['created_at'] = df['created_at'].dt.tz_convert(None)
columns = ['text', 'source']
for column in columns:
df[column] = df[column].str.replace(r"[^a-zA-Z0-9\,#@]", ' ', regex=True)
df[column] = df[column].str.replace(r"\s{2,}", ' ', regex=True)
filtered_columns = filter(lambda col:
col != 'extended_entities' and
col != 'contributors' and col != 'entities'
and col != 'retweeted_status' and col != 'user'
and col != 'in_reply_to_user_id_str'
and col != 'in_reply_to_status_id_str' ,
list(df.columns))
df_filtered = df[filtered_columns]
df_filtered.to_csv(OUT_TWEETS_PATH, index=False, header=False)
@task()
def extract_transform_tweets_user():
df = pd.read_json(f"{DATA_PATH}/tweet_data.json", lines=True)
users = [ {**row['user'], 'tweet_id': row['id']} for _, row in df.iterrows() ]
df_users = pd.DataFrame(users)
df_users['created_at'] = pd.to_datetime(df_users['created_at'],
format='%a %b %d %H:%M:%S %z %Y'
).dt.tz_convert(None)
filtered_column = list(filter(lambda col:
col != 'id' and col != 'tweet_id',
list(df_users.columns)))
df_users = df_users.reindex(columns=['id', 'tweet_id', *(filtered_column)])
df_users.to_csv(OUT_TWEETS_USER_PATH, index=False, header=False)
start = DummyOperator(task_id='start')
end = DummyOperator(task_id='end')
et_tweets = extract_transform_tweets()
et_tweets_user = extract_transform_tweets_user()
stored_tweets_data_gcs = LocalFilesystemToGCSOperator(
task_id="store_tweets_to_gcs",
gcp_conn_id=GOOGLE_CLOUD_CONN_ID,
src=OUT_TWEETS_PATH,
dst=GCS_OBJECT_TWEETS_NAME,
bucket=BUCKET_NAME
)
stored_tweets_user_data_gcs = LocalFilesystemToGCSOperator(
task_id="store_tweets_user_to_gcs",
gcp_conn_id=GOOGLE_CLOUD_CONN_ID,
src=OUT_TWEETS_USER_PATH,
dst=GCS_OBJECT_TWEETS_USER_NAME,
bucket=BUCKET_NAME
)
loaded_tweets_data_bigquery = GCSToBigQueryOperator(
task_id='load_tweets_to_bigquery',
bigquery_conn_id=GOOGLE_CLOUD_CONN_ID,
bucket=BUCKET_NAME,
source_objects=[GCS_OBJECT_TWEETS_NAME],
destination_project_dataset_table=f"{DATASET_ID}.{BIGQUERY_TWEETS_TABLE_NAME}",
schema_fields=[ #based on https://cloud.google.com/bigquery/docs/schemas
{'name': 'truncated', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'text', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'is_quote_status', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'in_reply_to_status_id', 'type': 'FLOAT64', 'mode': 'NULLABLE'},
{'name': 'in_reply_to_user_id', 'type': 'FLOAT64', 'mode': 'NULLABLE'},
{'name': 'id', 'type': 'INT64', 'mode': 'REQUIRED'},
{'name': 'favorite_count', 'type': 'INT64', 'mode': 'NULLABLE'},
{'name': 'retweeted', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'coordinates', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'source', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'in_reply_to_screen_name', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'id_str', 'type': 'INT64', 'mode': 'NULLABLE'},
{'name': 'retweet_count', 'type': 'INT64', 'mode': 'NULLABLE'},
{'name': 'metadata', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'favorited', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'geo', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'lang', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'created_at', 'type': 'DATETIME', 'mode': 'NULLABLE'},
{'name': 'place', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'quoted_status_id', 'type': 'FLOAT64', 'mode': 'NULLABLE'},
{'name': 'quoted_status', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'possibly_sensitive', 'type': 'FLOAT64', 'mode': 'NULLABLE'},
{'name': 'quoted_status_id_str', 'type': 'FLOAT64', 'mode': 'NULLABLE'},
],
autodetect=False,
write_disposition='WRITE_TRUNCATE', #If the table already exists - overwrites the table data
)
loaded_tweets_user_data_bigquery = GCSToBigQueryOperator(
task_id='load_tweets_user_to_bigquery',
bigquery_conn_id=GOOGLE_CLOUD_CONN_ID,
bucket=BUCKET_NAME,
source_objects=[GCS_OBJECT_TWEETS_USER_NAME],
destination_project_dataset_table=f"{DATASET_ID}.{BIGQUERY_TWEETS_USER_TABLE_NAME}",
schema_fields=[
{'name': 'id', 'type': 'INT64', 'mode': 'REQUIRED'},
{'name': 'tweet_id', 'type': 'INT64', 'mode': 'NULLABLE'},
{'name': 'follow_request_sent', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'has_extended_profile', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'profile_use_background_image', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'verified', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'translator_type', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'profile_text_color', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'profile_image_url_https', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'profile_sidebar_fill_color', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'entities', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'followers_count', 'type': 'INT64', 'mode': 'NULLABLE'},
{'name': 'protected', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'location', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'default_profile_image', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'id_str', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'lang', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'utc_offset', 'type': 'FLOAT64', 'mode': 'NULLABLE'},
{'name': 'statuses_count', 'type': 'INT64', 'mode': 'NULLABLE'},
{'name': 'description', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'friends_count', 'type': 'INT64', 'mode': 'NULLABLE'},
{'name': 'profile_background_image_url_https', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'profile_link_color', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'profile_image_url', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'following', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'geo_enabled', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'profile_background_color', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'profile_banner_url', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'profile_background_image_url', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'screen_name', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'is_translation_enabled', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'profile_background_tile', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'favourites_count', 'type': 'INT64', 'mode': 'NULLABLE'},
{'name': 'name', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'notifications', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'url', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'created_at', 'type': 'DATETIME', 'mode': 'NULLABLE'},
{'name': 'contributors_enabled', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'time_zone', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'profile_sidebar_border_color', 'type': 'STRING', 'mode': 'NULLABLE'},
{'name': 'default_profile', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'is_translator', 'type': 'BOOL', 'mode': 'NULLABLE'},
{'name': 'listed_count', 'type': 'INT64', 'mode': 'NULLABLE'},
],
autodetect=False,
allow_quoted_newlines=True,
write_disposition='WRITE_TRUNCATE',
)
start >> [et_tweets, et_tweets_user]
et_tweets >> stored_tweets_data_gcs
et_tweets_user >> stored_tweets_user_data_gcs
stored_tweets_data_gcs >> loaded_tweets_data_bigquery >> end
stored_tweets_user_data_gcs >> loaded_tweets_user_data_bigquery >> end
})
pg_poc_pull = PythonOperator(
task_id='PG_TO_FILE',
python_callable=postgres_to_file,
postgres_conn_id='spacecadets_postgres',
op_kwargs={
'conn_id': 'spacecadets_postgres',
'sql': pg_movies_dirs,
'filename': pg_csv_filename
},
)
upload_pg_file = LocalFilesystemToGCSOperator(
task_id="PG_UPLOAD_FILE",
src=pg_csv_filename,
dst=GCS_FILENAME.format('movies_directors', pg_base_filename),
bucket=BUCKET,
)
upload_mysql_file = LocalFilesystemToGCSOperator(
task_id="MYSQL_UPLOAD_FILE",
src=mysql_csv_filename,
dst=GCS_FILENAME.format('movies_directors', mysql_base_filename),
bucket=BUCKET,
)
# t1, t2 and t3 are examples of tasks created by instantiating operators
print_date = BashOperator(
task_id='print_date',
bash_command='date',
)
python_callable=get_initial_id,
op_kwargs=func_param
dag=dag)
check_data=BranchPythonOperator(task_id='check_data',
python_callable=check_data,
dag=dag)
get_data_from_mongodb = PythonOperator(task_id='get_data_from_mongodb',
python_callable=extract_mongodb,
op_kwargs=func_param,
dag=dag)
load_to_staging= LocalFilesystemToGCSOperator(task_id='load_to_staging',
src=func_param['source'],
dst=func_param['dest_blob'],
bucket=func_param['bucket_name'],
gcp_conn_id='google_cloud_default',
dag=dag)
# update_bigquery_fact_table=BranchPythonOperator(task_id='update_bigquery_fact_table',
# python_callable=table_existence,
# dag=dag)
transform_tripdata= PythonOperator(task_id='transform_tripdata', # pull xcom from extract_json
python_callable=transform_tripdata,
op_kwargs=func_param,
dag=dag)
local_parquet_to_gcs= LocalFilesystemToGCSOperator(task_id='local_parquet_to_gcs',
src=func_param['source_transform'],
dst=func_param['dest_blob_transform'],
autodetect=True)
except GoogleAPIError:
print('{} table already exist, skip loading table'.format(
table_name))
get_weather_json = PythonOperator(task_id='get_weather_json',
python_callable=get_weather_json,
op_kwargs=func_param,
trigger_rule='all_done',
dag=dag)
load_to_staging = LocalFilesystemToGCSOperator(
task_id='load_to_staging',
src=func_param['source_weather'],
dst=func_param['dest_blob'],
bucket=func_param['bucket_name'],
gcp_conn_id='google_cloud_default',
trigger_rule='all_done',
dag=dag)
check_dataset = BranchPythonOperator(task_id='check_dataset',
python_callable=table_existence,
trigger_rule='all_done',
dag=dag)
transform_raw_json = PythonOperator(task_id='transform_raw_json',
python_callable=transform_json_data,
op_kwargs=func_param,
trigger_rule='none_failed_or_skipped',
dag=dag)