stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
dag=dag,
s3_key="song_data",
redshift_conn_id="redshift",
aws_credentials_id="aws_credentials",
table="staging_songs",
s3_bucket="udacity-dend",
json_path="auto",
region="us-west-2",
overwrite=True)
load_songplays_table = LoadFactOperator(task_id='Load_songplays_fact_table',
dag=dag,
sql=SqlQueries.songplay_table_insert,
redshift_conn_id="redshift",
target_table="public.songplays")
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
sql=SqlQueries.user_table_insert,
redshift_conn_id="redshift",
target_table="public.users",
overwrite=True)
load_song_dimension_table = LoadDimensionOperator(
task_id='Load_song_dim_table',
dag=dag,
sql=SqlQueries.song_table_insert,
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
dag=dag,
redshift_conn_id='redshift',
aws_credentials_id='aws_credentials',
table='staging_songs',
s3_bucket="udacity-dend",
s3_key="song_data",
region='us-west-2',
json_path='auto')
#4. Use staging tables to populate fact table
load_songplays_table = LoadFactOperator(
task_id='Load_songplays_fact_table',
dag=dag,
redshift_conn_id="redshift",
table="songplays",
sql_query=SqlQueries.songplay_table_insert,
delete_first=True)
#5. Use staging tables to populate user table
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
redshift_conn_id="redshift",
table="users",
sql_query=SqlQueries.user_table_insert,
delete_first=True)
#6. Use staging tables to populate song_table table
load_song_dimension_table = LoadDimensionOperator(
redshift_conn_id="redshift",
aws_credentials_id="aws_credentials",
s3_bucket="udacity-dend",
s3_key="song_data/A/A/A",
json="auto"
)
"""
connecting to redshift
running the LoadFactOperator operator with sql_queries.py
"""
load_songplays_table = LoadFactOperator(
task_id='Load_songplays_fact_table',
redshift_conn_id = 'redshift',
table="songplays",
sql_query = SqlQueries.songplay_table_insert,
dag=dag,
append_only=False
)
"""
connecting to redshift
running the LoadDimensionOperator operator with sql_queries.py
"""
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
redshift_conn_id = 'redshift',
table="users",
sql_query = SqlQueries.user_table_insert,
redshift_conn_id='redshift',
s3_bucket='udacity-dend',
s3_key='song_data/',
aws_credentials={
'key': AWS_KEY,
'secret': AWS_SECRET
},
region='us-west-2')
load_songplays_table = LoadFactOperator(
task_id='Load_songplays_fact_table',
dag=dag,
source_table='songplays',
target_table='songplays',
redshift_conn_id='redshift',
append_data=True,
aws_credentials={
'key': AWS_KEY,
'secret': AWS_SECRET
},
region='us-west-2',
sql_statement=SqlQueries.songplays_table_insert,
provide_context=True)
load_users_dimension_table = LoadDimensionOperator(
task_id='Load_users_dim_table',
dag=dag,
target_table='users',
redshift_conn_id='redshift',
append_data=False,
aws_credentials={
'key': AWS_KEY,
json_format='s3://udacity-dend/log_json_path.json')
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
dag=dag,
table='staging_songs',
redshift_conn_id='redshift',
aws_credentials_id='aws_credentials',
s3_bucket='udacity-dend',
s3_key=
'song_data', # load a small portion of song data with 'song_data/A/A/A'
json_path='auto')
load_songplays_table = LoadFactOperator(task_id='Load_songplays_fact_table',
dag=dag,
conn_id='redshift',
sql=SqlQueries.songplay_table_insert,
target_table='songplays')
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
conn_id='redshift',
sql=SqlQueries.user_table_insert,
target_table='users',
delete_first=True)
load_song_dimension_table = LoadDimensionOperator(
task_id='Load_song_dim_table',
dag=dag,
conn_id='redshift',
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
dag=dag,
table="staging_songs",
redshift_conn_id="redshift",
aws_credentials_id="aws_credentials",
s3_bucket="udacity-dend",
s3_key="song_data",
json_format="'auto'",
)
load_songplays_table = LoadFactOperator(
task_id='Load_songplays_fact_table',
dag=dag,
table='songplays',
redshift_conn_id="redshift",
truncate_table=False,
select_sql=SqlQueries.songplay_table_insert,
)
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_users_dim_table',
dag=dag,
table='users',
redshift_conn_id="redshift",
truncate_table=True,
select_sql=SqlQueries.user_table_insert,
)
load_song_dimension_table = LoadDimensionOperator(
task_id='Load_songs_dim_table',
aws_credentials_id='aws_credentials',
s3_bucket='dend-bucket-oregon-123',
s3_key='capstone_immigration/trans_mode')
stage_visa_code_to_redshift = StageToRedshiftOperator(
task_id='Stage_visa_code',
dag=dag,
table='staging_visa_code',
redshift_conn_id='redshift',
aws_credentials_id='aws_credentials',
s3_bucket='dend-bucket-oregon-123',
s3_key='capstone_immigration/visa_code')
load_arrivals_table = LoadFactOperator(task_id='Load_arrivals_fact_table',
dag=dag,
conn_id='redshift',
sql=SqlQueries.arrivals_table_insert,
target_table='arrivals')
load_admissions_table = LoadFactOperator(
task_id='Load_admissions_dim_table',
dag=dag,
conn_id='redshift',
sql=SqlQueries.admissions_table_insert,
target_table='admissions')
load_time_table = LoadFactOperator(task_id='Load_time_dim_table',
dag=dag,
conn_id='redshift',
sql=SqlQueries.time_table_insert,
target_table='time')
def create_fact_tables(parent_dag_name, child_dag_name, start_date, end_date,
schedule_interval, redshift_conn_id, degree_list,
origin_table_format, destination_table_format, sql,
upstream_subdag_id, *args, **kwargs):
"""
Check if upstream staging dependencies were successful, loads data into fact table, and lastly perform a data quality check.
Keyword Arguments:
parent_dag_name -- Parent DAG name defined in `main_dag.py` dag object
child_dag_name -- Child DAG name used to define subdag ID
start_date -- DAG start date
end_date -- DAG end date
schedule_interval -- (e.g. '@monthly', '@weekly', etc.)
redshift_conn_id -- Redshift connection ID (str)
degree_list -- List of degree names (list)
origin_table_format -- Dictionary of table labels and staging table names used for fact table sql mapping (str)
destination_table_format -- Fact table name to be formatted with degree name (str)
sql -- Fact table query (str)
"""
dag = DAG(dag_id=f"{parent_dag_name}.{child_dag_name}",
start_date=start_date,
end_date=end_date,
schedule_interval=schedule_interval,
**kwargs)
#help
# upstream_subdag_id = kwargs['task_instance'].upstream_task_ids
for degree in degree_list:
destination_table = destination_table_format.format(degree=degree)
origin_tables = {
table: name.format(degree=degree)
for (table, name) in origin_table_format.items()
}
start_task = DummyOperator(task_id=f'{degree}', dag=dag)
upstream_check_task = PythonOperator(
task_id=f'check_{destination_table}_dependencies',
python_callable=upstream_staging_check,
op_kwargs={
'origin_tables': origin_tables,
'upstream_subdag_id': upstream_subdag_id
},
provide_context=True)
create_task = LoadFactOperator(task_id=destination_table,
dag=dag,
sql=sql,
redshift_conn_id=redshift_conn_id,
destination_table=destination_table,
origin_tables=origin_tables,
provide_context=True)
check_task = DataQualityOperator(task_id='data_quality_check',
dag=dag,
redshift_conn_id=redshift_conn_id,
table=destination_table,
provide_context=True)
start_task >> upstream_check_task
upstream_check_task >> create_task
create_task >> check_task
return dag
json="s3://udacity-dend/log_json_path.json",
)
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
dag=dag,
redshift_conn_id="redshift",
aws_credentials_id="aws_credentials",
s3_bucket="udacity-dend",
s3_key="song_data/A/A/A",
table="staging_songs",
json="auto")
load_songplays_table = LoadFactOperator(
task_id='Load_songplays_fact_table',
dag=dag,
redshift_conn_id="redshift",
destination_table="songplays",
facts_sql=SqlQueries.songplay_table_insert)
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
redshift_conn_id="redshift",
destination_table="users",
dim_sql=SqlQueries.user_table_insert,
append_mode=False)
load_song_dimension_table = LoadDimensionOperator(
task_id='Load_song_dim_table',
dag=dag,
redshift_conn_id="redshift",
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
dag=dag,
target_table="staging_songs",
sql_table_create=SqlQueries.staging_songs_table_create,
redshift_conn_id="redshift",
aws_credentials_id="aws_credentials",
s3_bucket="udacity-dend",
s3_key="song_data",
json_file="auto",
region="us-west-2")
load_songplays_table = LoadFactOperator(
task_id='Load_songplays_fact_table',
dag=dag,
target_table="songplays",
sql_table_create=SqlQueries.songplay_table_create,
sql_table_insert=SqlQueries.songplay_table_insert,
redshift_conn_id="redshift",
mode="")
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
target_table="users",
sql_table_create=SqlQueries.user_table_create,
sql_table_insert=SqlQueries.user_table_insert,
redshift_conn_id="redshift")
load_song_dimension_table = LoadDimensionOperator(
task_id='Load_song_dim_table',
dag=dag,
schema='public',
table='gov',
s3_bucket='udacity-capstone-cg',
s3_key='staging',
copy_options=[
'CSV', 'IGNOREHEADER 1', 'FILLRECORD',
'COMPUPDATE OFF', 'STATUPDATE OFF',
'TRUNCATECOLUMNS'
],
dag=dag)
get_ready_to_load = DummyOperator(task_id='Get_ready_to_load', dag=dag)
load_tweets_table = LoadFactOperator(task_id='Load_tweets_fact_table',
dag=dag,
aws_credentials_id="aws_credentials",
table="tweets",
sql_query=SqlQueries.tweets_table_insert)
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
table='"user"',
sql_query=SqlQueries.user_table_insert)
load_geo_dimension_table = LoadDimensionOperator(
task_id='Load_geo_dim_table',
dag=dag,
table="geo",
sql_query=SqlQueries.geo_table_insert)
run_basic_checks = DataQualityOperator(
redshift_conn_id="redshift",
aws_credentials_id="aws_credentials",
s3_bucket="udacity-dend",
s3_key="log_data/2018/11/2018-11-01-events.json")
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
dag=dag,
table="staging_songs",
redshift_conn_id="redshift",
aws_credentials_id="aws_credentials",
s3_bucket="udacity-dend",
s3_key="song_data/A/B/C/TRABCEI128F424C983.json")
load_songplays_table = LoadFactOperator(task_id='Load_songplays_fact_table',
dag=dag,
redshift_conn_id="redshift",
destination_table="songplays")
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
redshift_conn_id="redshift",
sql_statement=sql_queries.user_table_insert,
table_name='users')
load_song_dimension_table = LoadDimensionOperator(
task_id='Load_song_dim_table',
dag=dag,
redshift_conn_id="redshift",
sql_statement=sql_queries.song_table_insert,
table_name='songs')
aws_credentials_id="aws_credentials",
json="s3://udacity-dend/log_json_path.json")
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
dag=dag,
table='public.songs',
redshift_conn_id='redshift',
aws_credentials_id='aws_credentials',
json='s3://udacity-dend/song_data',
s3_bucket='udacity-dend',
s3_key='song_data')
load_songplays_table = LoadFactOperator(task_id='Load_songplays_fact_table',
dag=dag,
aws_credentials='aws_credentials',
table='public.songplays',
truncate_table=True,
query=SqlQueries.songplay_table_insert)
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
aws_credentials='aws_credentials',
table='public.users',
truncate_table=True,
query=SqlQueries.user_table_insert)
load_song_dimension_table = LoadDimensionOperator(
task_id='Load_song_dim_table',
dag=dag,
aws_credentials='aws_credentials',
json="s3://udacity-dend/log_json_path.json")
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
dag=dag,
redshift_conn_id="redshift",
aws_credentials_id="aws_credentials",
table="staging_songs",
s3_bucket="udacity-dend",
s3_key="song_data/",
aws_region="us-west-2",
json="auto")
load_songplays_table = LoadFactOperator(
task_id='Load_songplays_fact_table',
dag=dag,
redshift_conn_id="redshift",
sql_insert=SqlQueries.songplay_table_insert,
destination_table="public.songplays")
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
redshift_conn_id="redshift",
sql_insert=SqlQueries.user_table_insert,
destination_table="public.users",
delete=True)
load_song_dimension_table = LoadDimensionOperator(
task_id='Load_song_dim_table',
dag=dag,
redshift_conn_id="redshift",
jsonpath='log_json_path.json')
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
dag=dag,
table='staging_songs',
redshift_conn_id='redshift',
aws_credentials_id='aws_credentials',
s3_bucket='udacity-dend',
s3_key='song_data',
aws_region='us-west-2')
load_songplays_table = LoadFactOperator(
task_id='Load_songplays_fact_table',
dag=dag,
redshift_conn_id='redshift',
append_data=append_data,
query=SqlQueries.songplay_table_insert,
)
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
redshift_conn_id='redshift',
append_data=append_data,
table='users',
query=SqlQueries.user_table_insert,
)
load_song_dimension_table = LoadDimensionOperator(
task_id='Load_song_dim_table',
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
redshift_connection_id='redshift',
table_name='staging_songs',
aws_credential_id='aws_credentials',
s3_bucket='udacity-dend',
s3_key='song-data/A/A',
json_path="auto",
dag=dag
)
# Calling LoadFactOperator to load the data into songplays fact table
load_songplays_table = LoadFactOperator(
task_id='Load_songplays_fact_table',
sql_statement=SqlQueries.songplay_table_insert,
target_table='songplays',
redshift_connection_id='redshift',
dag=dag
)
# Calling LoadDimensionOperator to load the data into users dimension table
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
target_table='users',
redshift_connection_id='redshift',
sql_statement=SqlQueries.user_table_insert,
truncate=False,
dag=dag
)
# Calling LoadDimensionOperator to load the data into songs dimension table
)
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
dag=dag,
table="staging_songs",
redshift_conn_id="redshift",
s3_bucket="udacity-dend",
s3_key="song_data",
aws_credentials_id='aws_credentials'
)
load_songplays_table = LoadFactOperator(
task_id='Load_songplays_fact_table',
dag=dag,
redshift_conn_id='redshift',
table='songplays',
sql_query=SqlQueries.songplay_table_insert
)
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
redshift_conn_id='redshift',
table='users',
sql_query=SqlQueries.user_table_insert
)
load_song_dimension_table = LoadDimensionOperator(
task_id='Load_song_dim_table',
dag=dag,
create_or_delete='delete',
staging_or_dwh='dwh',
redshift_conn_id='redshift_conn_id',
)
create_dwh_tables = CreateOrDeleteOperator(
task_id='create_dwh_tables',
dag=dag,
create_or_delete='create',
staging_or_dwh='dwh',
redshift_conn_id='redshift_conn_id',
)
load_artists_table = LoadFactOperator(task_id='load_artists_fact_table',
redshift_conn_id="redshift_conn_id",
table='artists',
append=True,
dag=dag)
load_concerts_table = LoadDimensionOperator(
task_id='load_concerts_dimension_table',
redshift_conn_id="redshift_conn_id",
table='concerts',
append=True,
dag=dag)
load_songs_table = LoadDimensionOperator(task_id='load_songs_dimension_table',
redshift_conn_id="redshift_conn_id",
table='songs',
append=True,
dag=dag)
for dimension_item in dimension_items:
load_dimension_table = LoadDimensionOperator(
task_id=f"load_{dimension_item['item']}_dimension_table",
dag=dag,
redshift_conn_id="redshift",
table=dimension_item["item"],
query=dimension_item["query"],
append=False)
load_dimension_tables.append(load_dimension_table)
### Build fact table
milestone_2 = DummyOperator(task_id='milestone_2', dag=dag)
Load_sales_fact_table = LoadFactOperator(task_id='Load_sales_fact_table',
dag=dag,
redshift_conn_id="redshift",
table="sales",
query=SqlQueries.sales_table_insert)
### Quality checks
tables = [
'sales', 'sales', 'sales', 'sales', 'magasin', 'utilisateur', 'cours'
]
columns = [
'id_ville', 'id_temps', 'id_famille_produit', 'id_magasin', 'id_enseigne',
'id_profil', 'id_devise'
]
null_quality_checks = CheckNullOperator(task_id='null_quality_checks',
dag=dag,
redshift_conn_id="redshift",
format_json=Variable.get('json_event_format',
default_var=default_json_event_format))
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
dag=dag,
table="staging_songs",
redshift_conn_id="redshift",
aws_credentials_id="aws_credentials",
s3_bucket="udacity-dend",
s3_key="song_data/",
format_json=Variable.get('json_song_format',
default_var=default_json_song_format))
load_songplays_table = LoadFactOperator(task_id='Load_songplays_fact_table',
redshift_conn_id="redshift",
table='songplays',
dag=dag)
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
redshift_conn_id="redshift",
table='users',
params={
'append_flag': Variable.get('append_flag',
default_var=default_append_flag)
},
dag=dag)
load_song_dimension_table = LoadDimensionOperator(
task_id='Load_song_dim_table',
redshift_conn_id="redshift",
)
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
dag=dag,
redshift_conn_id="redshift",
aws_credentials_id="aws_credentials",
target_table_name="staging_songs",
s3_data_path="s3://udacity-dend/song_data",
json_schema="auto",
)
load_songplays_table = LoadFactOperator(
task_id='Load_songplays_fact_table',
dag=dag,
redshift_conn_id="redshift",
sql_query=SqlQueries.songplay_table_insert,
filter_expr="WHERE page='NextSong'"
)
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
redshift_conn_id="redshift",
sql_query=SqlQueries.user_table_insert,
filter_expr="WHERE page='NextSong'"
)
load_song_dimension_table = LoadDimensionOperator(
task_id='Load_song_dim_table',
dag=dag,
task_id='Stage_songs',
dag=dag,
redshift_conn='redshift',
aws_credentials='aws_credentials',
table='staging_songs',
s3_bucket='udacity-dend',
s3_key='song_data',
json_path='auto',
sql=SqlQueries.staging_table_copy,
provide_context=True,
)
load_songplays_table = LoadFactOperator(
task_id='Load_songplays_fact_table',
dag=dag,
redshift_conn='redshift',
table='songplays',
sql=SqlQueries.songplay_table_insert,
provide_context=False,
)
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
redshift_conn='redshift',
table='users',
sql=SqlQueries.user_table_insert,
provide_context=False,
)
load_song_dimension_table = LoadDimensionOperator(
task_id='Load_song_dim_table',
stage_demography_to_redshift = StageRedshiftFromS3Operator(
task_id='Stage_demography',
dag=dag,
redshift_conn_id="redshift",
aws_credentials_id="aws_credentials",
target_table_name="staging_demographics",
s3_data_path="s3://dend-veegaaa-capstone/us-cities-demographics.csv",
ignore_header=1,
delimiter=';',
)
load_immigration_facts_table = LoadFactOperator(
task_id='Load_immigration_facts_fact_table',
dag=dag,
redshift_conn_id="redshift",
sql_query=insert_queries['immigration_facts'],
filter_expr="WHERE cicid is not null",
)
load_states_dimension_table = LoadDimensionOperator(
task_id='Load_states_dim_table',
dag=dag,
redshift_conn_id="redshift",
sql_query=insert_queries['states'],
filter_expr="",
mode='append')
load_cities_dimension_table = LoadDimensionOperator(
task_id='Load_cities_dim_table',
dag=dag,
airport_codes_staging = StageJsonToRedshiftOperator(
task_id='airport_codes_staging',
dag=dag,
redshift_conn_id='redshift',
aws_credentials_id='aws_credentials',
table='staging_airport_code_data',
s3_bucket="beppe-udacity-capstone",
s3_key="capstone/airport_code_")
end_staging = DummyOperator(task_id='end_staging', dag=dag)
# Load Fact table
load_fact_table = LoadFactOperator(
task_id='load_fact_table',
dag=dag,
redshift_conn_id="redshift",
table_name="fact_temperature",
sql_insert_stmt=SqlQueries.fact_table_insert,
truncate=False)
# Load Dimension table
load_time_dimension_table = LoadDimensionOperator(
task_id='load_time_dimension_table',
dag=dag,
redshift_conn_id="redshift",
table_name="time",
sql_insert_stmt=SqlQueries.time_table_insert,
truncate=False)
# Load Dimension table
load_airport_dimension_table = LoadDimensionOperator(
stage_songs = StageToRedshiftOperator(
task_id='staging_songs',
dag=dag,
create_table_sql=create_tables.staging_songs,
s3_bucket='udacity-dend',
s3_key='song_data',
schema='public',
table='staging_songs',
redshift_conn_id='redshift',
aws_conn_id='aws_credentials',
copy_options=["JSON 'auto ignorecase'"])
load_songplays = LoadFactOperator(
task_id='load_fact_songplays',
dag=dag,
insert_table_sql=insert_tables.songplays,
redshift_conn_id='redshift')
load_users = LoadDimensionOperator(
task_id='load_dim_users',
dag=dag,
insert_table_sql=insert_tables.users,
schema='public',
table='users',
truncate=False,
redshift_conn_id='redshift')
load_songs = LoadDimensionOperator(
task_id='load_dim_songs',
dag=dag,
)
stage_weather_stations_info_from_s3_to_redshift = LoadS3ToRedshiftOperator(
task_id='stage_weather_stations_info_from_s3_to_redshift',
aws_credentials_id='aws_credentials_id',
redshift_conn_id='redshift',
table='staging_weather_station_info',
s3_bucket='udacity-dend-alex-ho',
s3_key='weather_sg/weather_stations_info_{{ ts_nodash }}.csv',
dag=dag
)
load_temperature_table = LoadFactOperator(
task_id='load_temperature_events_fact_table',
redshift_conn_id="redshift",
table='temperature_events',
append=True,
dag=dag
)
load_rainfall_table = LoadFactOperator(
task_id='load_rainfall_events_fact_table',
redshift_conn_id="redshift",
table='rainfall_events',
append=True,
dag=dag
)
load_carpark_availability_table = LoadFactOperator(
task_id='load_carpark_availability_fact_table',
redshift_conn_id="redshift",
stage_songs_to_redshift = StageToRedshiftOperator(
task_id='Stage_songs',
dag=dag,
table="staging_songs",
json_path="auto",
file_type='json',
redshift_conn_id='redshift',
aws_conn_id="aws_credentials",
s3_bucket="udacity-dend",
s3_key="song_data/A/A/A",
)
load_songplays_table = LoadFactOperator(
task_id='Load_songplays_fact_table',
dag=dag,
table='songplays',
redshift_conn_id='redshift',
aws_conn_id='aws_credentials',
insert_sql_qry=SqlQueries.songplay_table_insert)
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
table='users',
redshift_conn_id='redshift',
aws_conn_id='aws_credentials',
insert_sql_qry=SqlQueries.user_table_insert)
load_song_dimension_table = LoadDimensionOperator(
task_id='Load_song_dim_table',
dag=dag,
dag=dag,
table="staging_songs",
redshift_conn_id="redshift",
aws_credentials_id="aws_credentials",
s3_bucket=Variable.get('s3_bucket'),
s3_key=Variable.get('s3_key_song_data'),
log_json_path='auto',
depends_on_past=False,
retries=3,
retry_delay=timedelta(minutes=5),
email_on_retry=False)
load_songplays_table = LoadFactOperator(task_id='Load_songplays_fact_table',
dag=dag,
table="songplays",
redshift_conn_id='redshift',
depends_on_past=False,
retries=3,
retry_delay=timedelta(minutes=5),
email_on_retry=False)
load_user_dimension_table = LoadDimensionOperator(
task_id='Load_user_dim_table',
dag=dag,
table="users",
redshift_conn_id='redshift',
depends_on_past=False,
retries=3,
retry_delay=timedelta(minutes=5),
email_on_retry=False)
load_song_dimension_table = LoadDimensionOperator(
s3_bucket=S3_BUCKET,
s3_key="raw/i94_immigration_labels_description/visa_code.csv")
copy_country_code = StageCSVToRedshiftOperator(
task_id="copy_country_code_description",
dag=dag,
redshift_conn_id=REDSHIFT_CONN_ID,
schema=SCHEMA_NAME,
table="i94country_code",
s3_bucket=S3_BUCKET,
s3_key="raw/i94_immigration_labels_description/country_code.csv")
load_usa_travelers_info = LoadFactOperator(
task_id="load_usa_travelers_info",
dag=dag,
redshift_conn_id=REDSHIFT_CONN_ID,
schema=SCHEMA_NAME,
table="city_state_travelers_entry",
insert_sql=SqlQueries.city_state_travelers_entry_insert)
load_arrival_date = LoadDimensionOperator(
task_id="load_arrival_date",
dag=dag,
redshift_conn_id=REDSHIFT_CONN_ID,
schema=SCHEMA_NAME,
table="arrival_date",
insert_sql=SqlQueries.arrival_date_insert)
# Data Quality
# get the dq_checks_settings for data quality
# file: [airflow_file]/plugins/helpers/dq_check_settings.json
stage_covid_to_redshift = StageToRedshiftOperator(
task_id='Stage_covid',
dag=dag,
table="staging_covid",
redshift_conn_id="redshift",
aws_credentials_id="aws_s3_connection",
s3_bucket="udacity-data-lake",
s3_key="covid19/staging",
region="us-west-2",
extra_params="delimiter ';'"
)
load_covid_cases_fact_table = LoadFactOperator(
task_id='Load_covid_cases_fact_table',
dag=dag,
table='fact_covid_cases',
redshift_conn_id="redshift",
load_sql_stmt=SqlQueries.covid_cases_insert
)
load_dim_location_table = LoadDimensionOperator(
task_id='Load_dim_location_table',
dag=dag,
table='dim_location',
redshift_conn_id="redshift",
truncate_table=True,
load_sql_stmt=SqlQueries.location_table_insert
)
load_dim_date_table = LoadDimensionOperator(
task_id='Load_dim_date_table',
