Production

Dags dari production

1_ebanking.py

+import json
+from datetime import date
+import calendar
+
+from airflow import DAG
+from airflow.operators.python import PythonOperator, BranchPythonOperator
+from airflow.operators.bash import BashOperator
+
+from datetime import datetime, timedelta
+from airflow.providers.sftp.operators.sftp import SFTPOperator
+from airflow.models import Variable
+from airflow.providers.postgres.operators.postgres import PostgresOperator
+
+from airflow.operators.trigger_dagrun import TriggerDagRunOperator
+from airflow.utils.trigger_rule import TriggerRule
+
+from airflow.models.xcom import XCom
+from airflow.decorators import task
+from airflow.hooks.postgres_hook import PostgresHook
+from airflow import XComArg
+
+
+
+yesterday_nodash = (datetime.now() - timedelta(1)).strftime('%Y%m%d') if Variable.get(
+    "DATE_OF_DATA") == 'today' else Variable.get("DATE_OF_DATA")
+yesterday_strip = datetime.strptime(yesterday_nodash, '%Y%m%d').strftime('%Y-%m-%d')
+
+POSTGRES_CONN_ID = Variable.get("DS_DB")
+POSTGRES_SCHEMA = 'ds_ebanking' + Variable.get("ENV_T24")
+DS_CONN_ID = Variable.get("DS_EBANKING")
+DS_FOLDER = 'ebanking'
+DS_DB = 'ebanking'
+DS_SCHEMA = 'ebanking'
+DS_CREATE_TABLE = ''
+
+def create_ddl(schema,column):
+    return f"""select string_agg(x,'') from (select
+    'create table {POSTGRES_SCHEMA}.'||table_name || ' ( ' || string_agg(column_name, ' text,') || ' text'|| ' ); ' as x
+
+from information_schema.columns where table_schema = '{schema}'
+and table_name in ({column})
+group by table_schema, table_name) as x ;"""
+
+def _start():
+    print("Start :: Extractor ")
+
+def ds_list_extractor():
+    sql_stmt = f"""select * from ds_conf.ds_extractor_list_extractor('ebanking', '{yesterday_strip}');"""
+    pg_hook = PostgresHook(
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+    pg_conn = pg_hook.get_conn()
+    cursor = pg_conn.cursor()
+    cursor.execute(sql_stmt)
+    files = cursor.fetchall()
+    return files
+
+def ds_get_syntax(ti):
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    if not iris:
+        raise Exception('No data.')
+    return [{"op_kwargs": {
+        "copy_sql": f"""COPY {DS_SCHEMA}.{table['file_id'].replace(".", "_")} to STDOUT delimiter '|' CSV header""",
+        "file_id": table['file_id']}}
+        for
+        table in json.loads(iris[0][0][0])]
+
+def ds_get_csv(ti, copy_sql, file_id):
+    pg_hook = PostgresHook.get_hook(DS_CONN_ID)
+    pg_hook.copy_expert(copy_sql, filename=f"""{Variable.get("LOCAL_PATH")}{DS_FOLDER}/""" + (
+        f"""{yesterday_nodash}/{yesterday_nodash}.""" if Variable.get(
+            "WITH_DATE") == 'Y' else '') + f"""{file_id}.csv""")
+
+#
+# def ds_drop_syntax(ti):
+#     iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+#     if not iris:
+#         raise Exception('No data.')
+#     return [{
+#         "sql": f"""drop table ds_ebanking.{table['file_id'].replace(".", "_")} CASCADE;"""}
+#         for
+#         table in json.loads(iris[0][0][0])]
+
+
+def ds_get_ddl(ti):
+    global DS_CREATE_TABLE
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    column = []
+    for table in json.loads(iris[0][0][0]):
+        column.append(f"""'{table['file_id']}'""")
+    print(create_ddl(DS_SCHEMA, ','.join(column)))
+    sql_stmt = create_ddl(DS_SCHEMA, ','.join(column))
+    pg_hook = PostgresHook(
+        postgres_conn_id=DS_CONN_ID,
+    )
+    pg_conn = pg_hook.get_conn()
+    cursor = pg_conn.cursor()
+    cursor.execute(sql_stmt)
+    return cursor.fetchall()[0][0]
+
+def pg_ddl_syntax(ti):
+    print(ti.xcom_pull(task_ids=['ds_get_ddl'])[0])
+    return [{"sql": ti.xcom_pull(task_ids=['ds_get_ddl'])[0]}]
+
+
+
+def pg_push_syntax(ti):
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    if not iris:
+        raise Exception('No data.')
+    return [{"op_kwargs": {
+        "copy_sql": f"""COPY {POSTGRES_SCHEMA}.{table['file_id'].replace(".", "_")} from STDOUT delimiter '|' CSV header""",
+        "file_id": table['file_id']}}
+        for
+        table in json.loads(iris[0][0][0])]
+
+def pg_push_csv(ti, copy_sql, file_id):
+    pg_hook = PostgresHook.get_hook(POSTGRES_CONN_ID)
+    pg_hook.copy_expert(copy_sql, filename=f"""{Variable.get("LOCAL_PATH")}{DS_FOLDER}/""" + (
+        f"""{yesterday_nodash}/{yesterday_nodash}.""" if Variable.get(
+            "WITH_DATE") == 'Y' else '') + f"""{file_id}.csv""")
+
+with DAG("APJ_1_ebanking",
+         start_date=datetime(2021, 1, 1),
+         schedule_interval='0 * * * *',
+         catchup=False,
+         concurrency=3) as dag:
+
+
+    begin = PythonOperator(
+        task_id=f"Begin",
+        python_callable=_start,
+        op_kwargs={
+
+        }
+    )
+
+
+    create_folder = BashOperator(
+        task_id='create_folder',
+        bash_command=f"""mkdir -p {Variable.get("LOCAL_PATH")}{DS_FOLDER}/{yesterday_nodash}"""
+    )
+
+    ds_list_extractor = PythonOperator(
+        task_id='ds_list_extractor',
+        python_callable=ds_list_extractor,
+        do_xcom_push=True
+    )
+
+    ds_get_syntax = PythonOperator(
+        task_id='ds_syntax_get',
+        python_callable=ds_get_syntax
+    )
+
+    ds_table_to_csv = PythonOperator.partial(
+        task_id="ds_table_to_csv",
+        python_callable=ds_get_csv,
+        dag=dag
+    ).expand_kwargs(
+        XComArg(ds_get_syntax),
+    )
+
+    ds_get_ddl = PythonOperator(
+        task_id='ds_get_ddl',
+        python_callable=ds_get_ddl,
+        do_xcom_push=True
+    )
+
+    # ds_drop_syntax = PythonOperator(
+    #     task_id='ds_drop_syntax',
+    #     python_callable=ds_drop_syntax
+    # )
+
+    pg_drop_schema = PostgresOperator(
+        sql= f"""drop schema IF EXISTS {POSTGRES_SCHEMA} CASCADE;""",
+        task_id="pg_drop_schema",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    pg_create_schema = PostgresOperator(
+        sql= f"""create schema IF NOT EXISTS {POSTGRES_SCHEMA};""",
+        task_id="pg_create_schema",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    pg_ddl_syntax = PythonOperator(
+        task_id='pg_ddl_syntax',
+        python_callable=pg_ddl_syntax
+    )
+
+    pg_create_table = PostgresOperator.partial(
+        task_id="pg_create_table",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    ).expand_kwargs(
+        XComArg(pg_ddl_syntax),
+    )
+
+    pg_push_syntax = PythonOperator(
+        task_id='pg_syntax_push',
+        python_callable=pg_push_syntax
+    )
+
+    pg_csv_to_table = PythonOperator.partial(
+        task_id="pg_csv_to_table",
+        python_callable=pg_push_csv,
+        dag=dag
+    ).expand_kwargs(
+        XComArg(pg_push_syntax),
+    )
+
+
+    set_access_schemma = PostgresOperator(
+        sql=f"""GRANT USAGE ON SCHEMA {POSTGRES_SCHEMA} TO readaccess;""",
+        task_id="set_access_schemma",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    set_access_all_table = PostgresOperator(
+        sql=f"""GRANT SELECT ON ALL TABLES IN SCHEMA {POSTGRES_SCHEMA} TO readaccess;""",
+        task_id="set_access_all_table",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+
+    begin >> create_folder >> ds_list_extractor >> ds_get_syntax >> ds_table_to_csv >> ds_get_ddl >> pg_drop_schema >> pg_create_schema >> pg_ddl_syntax >> pg_create_table >> pg_push_syntax >> pg_csv_to_table >> set_access_schemma >> set_access_all_table
\ No newline at end of file

1_ibb.py

+import json
+from datetime import date
+import calendar
+
+from airflow import DAG
+from airflow.operators.python import PythonOperator, BranchPythonOperator
+from airflow.operators.bash import BashOperator
+
+from datetime import datetime, timedelta
+from airflow.providers.sftp.operators.sftp import SFTPOperator
+from airflow.models import Variable
+from airflow.providers.postgres.operators.postgres import PostgresOperator
+
+from airflow.operators.trigger_dagrun import TriggerDagRunOperator
+from airflow.utils.trigger_rule import TriggerRule
+
+from airflow.models.xcom import XCom
+from airflow.decorators import task
+from airflow.hooks.postgres_hook import PostgresHook
+from airflow import XComArg
+
+
+
+yesterday_nodash = (datetime.now() - timedelta(1)).strftime('%Y%m%d') if Variable.get(
+    "DATE_OF_DATA") == 'today' else Variable.get("DATE_OF_DATA")
+yesterday_strip = datetime.strptime(yesterday_nodash, '%Y%m%d').strftime('%Y-%m-%d')
+
+POSTGRES_CONN_ID = Variable.get("DS_DB")
+POSTGRES_SCHEMA = 'ds_bib' + Variable.get("ENV_T24")
+DS_CONN_ID = Variable.get("DS_IBB")
+DS_FOLDER = 'bib'
+DS_DB = 'bib'
+DS_SCHEMA = 'bib'
+DS_CREATE_TABLE = ''
+
+def create_ddl(schema,column):
+    return f"""select string_agg(x,'') from (select
+    'create table {POSTGRES_SCHEMA}.'||table_name || ' ( ' || string_agg(column_name, ' text,') || ' text'|| ' ); ' as x
+
+from information_schema.columns where table_schema = '{schema}'
+and table_name in ({column})
+group by table_schema, table_name) as x ;"""
+
+def _start():
+    print("Start :: Extractor ")
+
+def ds_list_extractor():
+    sql_stmt = f"""select * from ds_conf.ds_extractor_list_extractor('ibb', '{yesterday_strip}');"""
+    pg_hook = PostgresHook(
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+    pg_conn = pg_hook.get_conn()
+    cursor = pg_conn.cursor()
+    cursor.execute(sql_stmt)
+    files = cursor.fetchall()
+    return files
+
+def ds_get_syntax(ti):
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    if not iris:
+        raise Exception('No data.')
+    return [{"op_kwargs": {
+        "copy_sql": f"""COPY {DS_SCHEMA}.{table['file_id'].replace(".", "_")} to STDOUT delimiter '|' CSV header""",
+        "file_id": table['file_id']}}
+        for
+        table in json.loads(iris[0][0][0])]
+
+def ds_get_csv(ti, copy_sql, file_id):
+    pg_hook = PostgresHook.get_hook(DS_CONN_ID)
+    pg_hook.copy_expert(copy_sql, filename=f"""{Variable.get("LOCAL_PATH")}{DS_FOLDER}/""" + (
+        f"""{yesterday_nodash}/{yesterday_nodash}.""" if Variable.get(
+            "WITH_DATE") == 'Y' else '') + f"""{file_id}.csv""")
+
+#
+# def ds_drop_syntax(ti):
+#     iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+#     if not iris:
+#         raise Exception('No data.')
+#     return [{
+#         "sql": f"""drop table ds_ebanking.{table['file_id'].replace(".", "_")} CASCADE;"""}
+#         for
+#         table in json.loads(iris[0][0][0])]
+
+
+def ds_get_ddl(ti):
+    global DS_CREATE_TABLE
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    column = []
+    for table in json.loads(iris[0][0][0]):
+        column.append(f"""'{table['file_id']}'""")
+    print(create_ddl(DS_SCHEMA, ','.join(column)))
+    sql_stmt = create_ddl(DS_SCHEMA, ','.join(column))
+    pg_hook = PostgresHook(
+        postgres_conn_id=DS_CONN_ID,
+    )
+    pg_conn = pg_hook.get_conn()
+    cursor = pg_conn.cursor()
+    cursor.execute(sql_stmt)
+    return cursor.fetchall()[0][0]
+
+def pg_ddl_syntax(ti):
+    print(ti.xcom_pull(task_ids=['ds_get_ddl'])[0])
+    return [{"sql": ti.xcom_pull(task_ids=['ds_get_ddl'])[0]}]
+
+
+
+def pg_push_syntax(ti):
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    if not iris:
+        raise Exception('No data.')
+    return [{"op_kwargs": {
+        "copy_sql": f"""COPY {POSTGRES_SCHEMA}.{table['file_id'].replace(".", "_")} from STDOUT delimiter '|' CSV header""",
+        "file_id": table['file_id']}}
+        for
+        table in json.loads(iris[0][0][0])]
+
+def pg_push_csv(ti, copy_sql, file_id):
+    pg_hook = PostgresHook.get_hook(POSTGRES_CONN_ID)
+    pg_hook.copy_expert(copy_sql, filename=f"""{Variable.get("LOCAL_PATH")}{DS_FOLDER}/""" + (
+        f"""{yesterday_nodash}/{yesterday_nodash}.""" if Variable.get(
+            "WITH_DATE") == 'Y' else '') + f"""{file_id}.csv""")
+
+with DAG("APJ_1_ibb",
+         start_date=datetime(2021, 1, 1),
+         schedule_interval=None,
+         catchup=False,
+         concurrency=3) as dag:
+
+
+    begin = PythonOperator(
+        task_id=f"Begin",
+        python_callable=_start,
+        op_kwargs={
+
+        }
+    )
+
+
+    create_folder = BashOperator(
+        task_id='create_folder',
+        bash_command=f"""mkdir -p {Variable.get("LOCAL_PATH")}{DS_FOLDER}/{yesterday_nodash}"""
+    )
+
+    ds_list_extractor = PythonOperator(
+        task_id='ds_list_extractor',
+        python_callable=ds_list_extractor,
+        do_xcom_push=True
+    )
+
+    ds_get_syntax = PythonOperator(
+        task_id='ds_syntax_get',
+        python_callable=ds_get_syntax
+    )
+
+    ds_table_to_csv = PythonOperator.partial(
+        task_id="ds_table_to_csv",
+        python_callable=ds_get_csv,
+        dag=dag
+    ).expand_kwargs(
+        XComArg(ds_get_syntax),
+    )
+
+    ds_get_ddl = PythonOperator(
+        task_id='ds_get_ddl',
+        python_callable=ds_get_ddl,
+        do_xcom_push=True
+    )
+
+    # ds_drop_syntax = PythonOperator(
+    #     task_id='ds_drop_syntax',
+    #     python_callable=ds_drop_syntax
+    # )
+
+    pg_drop_schema = PostgresOperator(
+        sql= f"""drop schema IF EXISTS {POSTGRES_SCHEMA} CASCADE;""",
+        task_id="pg_drop_schema",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    pg_create_schema = PostgresOperator(
+        sql= f"""create schema IF NOT EXISTS {POSTGRES_SCHEMA};""",
+        task_id="pg_create_schema",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    pg_ddl_syntax = PythonOperator(
+        task_id='pg_ddl_syntax',
+        python_callable=pg_ddl_syntax
+    )
+
+    pg_create_table = PostgresOperator.partial(
+        task_id="pg_create_table",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    ).expand_kwargs(
+        XComArg(pg_ddl_syntax),
+    )
+
+    pg_push_syntax = PythonOperator(
+        task_id='pg_syntax_push',
+        python_callable=pg_push_syntax
+    )
+
+    pg_csv_to_table = PythonOperator.partial(
+        task_id="pg_csv_to_table",
+        python_callable=pg_push_csv,
+        dag=dag
+    ).expand_kwargs(
+        XComArg(pg_push_syntax),
+    )
+
+    set_access_schemma = PostgresOperator(
+        sql=f"""GRANT USAGE ON SCHEMA {POSTGRES_SCHEMA} TO readaccess;""",
+        task_id="set_access_schemma",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    set_access_all_table = PostgresOperator(
+        sql=f"""GRANT SELECT ON ALL TABLES IN SCHEMA {POSTGRES_SCHEMA} TO readaccess;""",
+        task_id="set_access_all_table",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    begin >> create_folder >> ds_list_extractor >> ds_get_syntax >> ds_table_to_csv >> ds_get_ddl >> pg_drop_schema >> pg_create_schema >> pg_ddl_syntax >> pg_create_table >> pg_push_syntax >> pg_csv_to_table >> set_access_schemma >> set_access_all_table
\ No newline at end of file

1_igate.py

+import json
+from datetime import date
+import calendar
+
+from airflow import DAG
+from airflow.operators.python import PythonOperator, BranchPythonOperator
+from airflow.operators.bash import BashOperator
+
+from datetime import datetime, timedelta
+from airflow.providers.sftp.operators.sftp import SFTPOperator
+from airflow.models import Variable
+from airflow.providers.postgres.operators.postgres import PostgresOperator
+
+from airflow.operators.trigger_dagrun import TriggerDagRunOperator
+from airflow.utils.trigger_rule import TriggerRule
+
+from airflow.models.xcom import XCom
+from airflow.decorators import task
+from airflow.hooks.postgres_hook import PostgresHook
+from airflow import XComArg
+
+
+
+yesterday_nodash = (datetime.now() - timedelta(1)).strftime('%Y%m%d') if Variable.get(
+    "DATE_OF_DATA") == 'today' else Variable.get("DATE_OF_DATA")
+yesterday_strip = datetime.strptime(yesterday_nodash, '%Y%m%d').strftime('%Y-%m-%d')
+
+POSTGRES_CONN_ID = Variable.get("DS_DB")
+POSTGRES_SCHEMA = 'ds_igate' + Variable.get("ENV_T24")
+DS_CONN_ID = Variable.get("DS_IGATE")
+DS_FOLDER = 'igate'
+DS_DB = 'igate'
+DS_SCHEMA = 'public'
+DS_CREATE_TABLE = ''
+
+def create_ddl(schema,column):
+    return f"""select string_agg(x,'') from (select
+    'create table {POSTGRES_SCHEMA}.'||table_name || ' ( ' || string_agg(column_name, ' text,') || ' text'|| ' ); ' as x
+
+from information_schema.columns where table_schema = '{schema}'
+and table_name in ({column})
+group by table_schema, table_name) as x ;"""
+
+def _start():
+    print("Start :: Extractor ")
+
+def ds_list_extractor():
+    sql_stmt = f"""select * from ds_conf.ds_extractor_list_extractor('igate', '{yesterday_strip}');"""
+    pg_hook = PostgresHook(
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+    pg_conn = pg_hook.get_conn()
+    cursor = pg_conn.cursor()
+    cursor.execute(sql_stmt)
+    files = cursor.fetchall()
+    return files
+
+def ds_get_syntax(ti):
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    if not iris:
+        raise Exception('No data.')
+    return [{"op_kwargs": {
+        "copy_sql": f"""COPY ( select * from {DS_SCHEMA}.{table['file_id'].replace(".", "_")}{table['partition_table_format']} {table['condition']}) to STDOUT delimiter '{table['delimiter']}' CSV header""",
+        "file_id": table['file_id']}}
+        for
+        table in json.loads(iris[0][0][0])]
+
+def ds_get_csv(ti, copy_sql, file_id):
+    pg_hook = PostgresHook.get_hook(DS_CONN_ID)
+    pg_hook.copy_expert(copy_sql, filename=f"""{Variable.get("LOCAL_PATH")}{DS_FOLDER}/""" + (
+        f"""{yesterday_nodash}/{yesterday_nodash}.""" if Variable.get(
+            "WITH_DATE") == 'Y' else '') + f"""{file_id}.csv""")
+
+#
+# def ds_drop_syntax(ti):
+#     iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+#     if not iris:
+#         raise Exception('No data.')
+#     return [{
+#         "sql": f"""drop table ds_ebanking.{table['file_id'].replace(".", "_")} CASCADE;"""}
+#         for
+#         table in json.loads(iris[0][0][0])]
+
+
+def ds_get_ddl(ti):
+    global DS_CREATE_TABLE
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    column = []
+    for table in json.loads(iris[0][0][0]):
+        column.append(f"""'{table['file_id']}'""")
+    print(create_ddl(DS_SCHEMA, ','.join(column)))
+    sql_stmt = create_ddl(DS_SCHEMA, ','.join(column))
+    pg_hook = PostgresHook(
+        postgres_conn_id=DS_CONN_ID,
+    )
+    pg_conn = pg_hook.get_conn()
+    cursor = pg_conn.cursor()
+    cursor.execute(sql_stmt)
+    return cursor.fetchall()[0][0]
+
+def pg_ddl_syntax(ti):
+    print(ti.xcom_pull(task_ids=['ds_get_ddl'])[0])
+    return [{"sql": ti.xcom_pull(task_ids=['ds_get_ddl'])[0]}]
+
+
+
+def pg_push_syntax(ti):
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    if not iris:
+        raise Exception('No data.')
+    return [{"op_kwargs": {
+        "copy_sql": f"""COPY {POSTGRES_SCHEMA}.{table['file_id'].replace(".", "_")} from STDOUT delimiter '|' CSV header""",
+        "file_id": table['file_id']}}
+        for
+        table in json.loads(iris[0][0][0])]
+
+def pg_push_csv(ti, copy_sql, file_id):
+    pg_hook = PostgresHook.get_hook(POSTGRES_CONN_ID)
+    pg_hook.copy_expert(copy_sql, filename=f"""{Variable.get("LOCAL_PATH")}{DS_FOLDER}/""" + (
+        f"""{yesterday_nodash}/{yesterday_nodash}.""" if Variable.get(
+            "WITH_DATE") == 'Y' else '') + f"""{file_id}.csv""")
+
+with DAG("APJ_1_igate",
+         start_date=datetime(2021, 1, 1),
+         schedule_interval='0 * * * *',
+         catchup=False,
+         concurrency=3) as dag:
+
+
+    begin = PythonOperator(
+        task_id=f"Begin",
+        python_callable=_start,
+        op_kwargs={
+
+        }
+    )
+
+
+    create_folder = BashOperator(
+        task_id='create_folder',
+        bash_command=f"""mkdir -p {Variable.get("LOCAL_PATH")}{DS_FOLDER}/{yesterday_nodash}"""
+    )
+
+    ds_list_extractor = PythonOperator(
+        task_id='ds_list_extractor',
+        python_callable=ds_list_extractor,
+        do_xcom_push=True
+    )
+
+    ds_get_syntax = PythonOperator(
+        task_id='ds_syntax_get',
+        python_callable=ds_get_syntax
+    )
+
+    ds_table_to_csv = PythonOperator.partial(
+        task_id="ds_table_to_csv",
+        python_callable=ds_get_csv,
+        dag=dag
+    ).expand_kwargs(
+        XComArg(ds_get_syntax),
+    )
+
+    ds_get_ddl = PythonOperator(
+        task_id='ds_get_ddl',
+        python_callable=ds_get_ddl,
+        do_xcom_push=True
+    )
+
+    # ds_drop_syntax = PythonOperator(
+    #     task_id='ds_drop_syntax',
+    #     python_callable=ds_drop_syntax
+    # )
+
+    pg_drop_schema = PostgresOperator(
+        sql= f"""drop schema IF EXISTS {POSTGRES_SCHEMA} CASCADE;""",
+        task_id="pg_drop_schema",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    pg_create_schema = PostgresOperator(
+        sql= f"""create schema IF NOT EXISTS {POSTGRES_SCHEMA};""",
+        task_id="pg_create_schema",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    pg_ddl_syntax = PythonOperator(
+        task_id='pg_ddl_syntax',
+        python_callable=pg_ddl_syntax
+    )
+
+    pg_create_table = PostgresOperator.partial(
+        task_id="pg_create_table",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    ).expand_kwargs(
+        XComArg(pg_ddl_syntax),
+    )
+
+    pg_push_syntax = PythonOperator(
+        task_id='pg_syntax_push',
+        python_callable=pg_push_syntax
+    )
+
+    pg_csv_to_table = PythonOperator.partial(
+        task_id="pg_csv_to_table",
+        python_callable=pg_push_csv,
+        dag=dag
+    ).expand_kwargs(
+        XComArg(pg_push_syntax),
+    )
+
+    set_access_schemma = PostgresOperator(
+        sql=f"""GRANT USAGE ON SCHEMA {POSTGRES_SCHEMA} TO readaccess;""",
+        task_id="set_access_schemma",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    set_access_all_table = PostgresOperator(
+        sql=f"""GRANT SELECT ON ALL TABLES IN SCHEMA {POSTGRES_SCHEMA} TO readaccess;""",
+        task_id="set_access_all_table",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+
+    begin >> create_folder >> ds_list_extractor >> ds_get_syntax >> ds_table_to_csv >> ds_get_ddl >> pg_drop_schema >> pg_create_schema >> pg_ddl_syntax >> pg_create_table >> pg_push_syntax >> pg_csv_to_table >> set_access_schemma >> set_access_all_table
\ No newline at end of file

1_los_fintech.py

+import json
+from datetime import date
+import calendar
+
+from airflow import DAG
+from airflow.operators.python import PythonOperator, BranchPythonOperator
+from airflow.operators.bash import BashOperator
+
+from datetime import datetime, timedelta
+from airflow.providers.sftp.operators.sftp import SFTPOperator
+from airflow.models import Variable
+from airflow.providers.postgres.operators.postgres import PostgresOperator
+
+from airflow.operators.trigger_dagrun import TriggerDagRunOperator
+from airflow.utils.trigger_rule import TriggerRule
+
+from airflow.models.xcom import XCom
+from airflow.decorators import task
+from airflow.hooks.postgres_hook import PostgresHook
+from airflow import XComArg
+
+
+
+yesterday_nodash = (datetime.now() - timedelta(1)).strftime('%Y%m%d') if Variable.get(
+    "DATE_OF_DATA") == 'today' else Variable.get("DATE_OF_DATA")
+yesterday_strip = datetime.strptime(yesterday_nodash, '%Y%m%d').strftime('%Y-%m-%d')
+
+POSTGRES_CONN_ID = Variable.get("DS_DB")
+POSTGRES_SCHEMA = 'ds_los_fintech' + Variable.get("ENV_T24")
+DS_CONN_ID = Variable.get("DS_LOS_FINTECH")
+DS_FOLDER = 'los'
+DS_DB = 'los-fintech'
+DS_SCHEMA = 'public'
+DS_CREATE_TABLE = ''
+
+def create_ddl(schema,column):
+    return f"""select string_agg(x,'') from (select
+    'create table {POSTGRES_SCHEMA}.'||table_name || ' ( ' || string_agg(column_name, ' text,') || ' text'|| ' ); ' as x
+
+from information_schema.columns where table_schema = '{schema}'
+and table_name in ({column})
+group by table_schema, table_name) as x ;"""
+
+def _start():
+    print("Start :: Extractor ")
+
+def ds_list_extractor():
+    sql_stmt = f"""select * from ds_conf.ds_extractor_list_extractor('los-fintech', '{yesterday_strip}');"""
+    pg_hook = PostgresHook(
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+    pg_conn = pg_hook.get_conn()
+    cursor = pg_conn.cursor()
+    cursor.execute(sql_stmt)
+    files = cursor.fetchall()
+    return files
+
+def ds_get_syntax(ti):
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    if not iris:
+        raise Exception('No data.')
+    return [{"op_kwargs": {
+        "copy_sql": f"""COPY {DS_SCHEMA}.{table['file_id'].replace(".", "_")} to STDOUT delimiter '|' CSV header""",
+        "file_id": table['file_id']}}
+        for
+        table in json.loads(iris[0][0][0])]
+
+def ds_get_csv(ti, copy_sql, file_id):
+    pg_hook = PostgresHook.get_hook(DS_CONN_ID)
+    pg_hook.copy_expert(copy_sql, filename=f"""{Variable.get("LOCAL_PATH")}{DS_FOLDER}/""" + (
+        f"""{yesterday_nodash}/{yesterday_nodash}.""" if Variable.get(
+            "WITH_DATE") == 'Y' else '') + f"""{file_id}.csv""")
+
+#
+# def ds_drop_syntax(ti):
+#     iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+#     if not iris:
+#         raise Exception('No data.')
+#     return [{
+#         "sql": f"""drop table ds_ebanking.{table['file_id'].replace(".", "_")} CASCADE;"""}
+#         for
+#         table in json.loads(iris[0][0][0])]
+
+
+def ds_get_ddl(ti):
+    global DS_CREATE_TABLE
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    column = []
+    for table in json.loads(iris[0][0][0]):
+        column.append(f"""'{table['file_id']}'""")
+    print(create_ddl(DS_SCHEMA, ','.join(column)))
+    sql_stmt = create_ddl(DS_SCHEMA, ','.join(column))
+    pg_hook = PostgresHook(
+        postgres_conn_id=DS_CONN_ID,
+    )
+    pg_conn = pg_hook.get_conn()
+    cursor = pg_conn.cursor()
+    cursor.execute(sql_stmt)
+    return cursor.fetchall()[0][0]
+
+def pg_ddl_syntax(ti):
+    print(ti.xcom_pull(task_ids=['ds_get_ddl'])[0])
+    return [{"sql": ti.xcom_pull(task_ids=['ds_get_ddl'])[0]}]
+
+
+
+def pg_push_syntax(ti):
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    if not iris:
+        raise Exception('No data.')
+    return [{"op_kwargs": {
+        "copy_sql": f"""COPY {POSTGRES_SCHEMA}.{table['file_id'].replace(".", "_")} from STDOUT delimiter '|' CSV header""",
+        "file_id": table['file_id']}}
+        for
+        table in json.loads(iris[0][0][0])]
+
+def pg_push_csv(ti, copy_sql, file_id):
+    pg_hook = PostgresHook.get_hook(POSTGRES_CONN_ID)
+    pg_hook.copy_expert(copy_sql, filename=f"""{Variable.get("LOCAL_PATH")}{DS_FOLDER}/""" + (
+        f"""{yesterday_nodash}/{yesterday_nodash}.""" if Variable.get(
+            "WITH_DATE") == 'Y' else '') + f"""{file_id}.csv""")
+
+with DAG("APJ_1_los_fintech",
+         start_date=datetime(2021, 1, 1),
+         schedule_interval=None,
+         catchup=False,
+         concurrency=3) as dag:
+
+
+    begin = PythonOperator(
+        task_id=f"Begin",
+        python_callable=_start,
+        op_kwargs={
+
+        }
+    )
+
+
+    create_folder = BashOperator(
+        task_id='create_folder',
+        bash_command=f"""mkdir -p {Variable.get("LOCAL_PATH")}{DS_FOLDER}/{yesterday_nodash}"""
+    )
+
+    ds_list_extractor = PythonOperator(
+        task_id='ds_list_extractor',
+        python_callable=ds_list_extractor,
+        do_xcom_push=True
+    )
+
+    ds_get_syntax = PythonOperator(
+        task_id='ds_syntax_get',
+        python_callable=ds_get_syntax
+    )
+
+    ds_table_to_csv = PythonOperator.partial(
+        task_id="ds_table_to_csv",
+        python_callable=ds_get_csv,
+        dag=dag
+    ).expand_kwargs(
+        XComArg(ds_get_syntax),
+    )
+
+    ds_get_ddl = PythonOperator(
+        task_id='ds_get_ddl',
+        python_callable=ds_get_ddl,
+        do_xcom_push=True
+    )
+
+    # ds_drop_syntax = PythonOperator(
+    #     task_id='ds_drop_syntax',
+    #     python_callable=ds_drop_syntax
+    # )
+
+    pg_drop_schema = PostgresOperator(
+        sql= f"""drop schema IF EXISTS {POSTGRES_SCHEMA} CASCADE;""",
+        task_id="pg_drop_schema",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    pg_create_schema = PostgresOperator(
+        sql= f"""create schema IF NOT EXISTS {POSTGRES_SCHEMA};""",
+        task_id="pg_create_schema",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    pg_ddl_syntax = PythonOperator(
+        task_id='pg_ddl_syntax',
+        python_callable=pg_ddl_syntax
+    )
+
+    pg_create_table = PostgresOperator.partial(
+        task_id="pg_create_table",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    ).expand_kwargs(
+        XComArg(pg_ddl_syntax),
+    )
+
+    pg_push_syntax = PythonOperator(
+        task_id='pg_syntax_push',
+        python_callable=pg_push_syntax
+    )
+
+    pg_csv_to_table = PythonOperator.partial(
+        task_id="pg_csv_to_table",
+        python_callable=pg_push_csv,
+        dag=dag
+    ).expand_kwargs(
+        XComArg(pg_push_syntax),
+    )
+
+    set_access_schemma = PostgresOperator(
+        sql=f"""GRANT USAGE ON SCHEMA {POSTGRES_SCHEMA} TO readaccess;""",
+        task_id="set_access_schemma",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    set_access_all_table = PostgresOperator(
+        sql=f"""GRANT SELECT ON ALL TABLES IN SCHEMA {POSTGRES_SCHEMA} TO readaccess;""",
+        task_id="set_access_all_table",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    begin >> create_folder >> ds_list_extractor >> ds_get_syntax >> ds_table_to_csv >> ds_get_ddl >> pg_drop_schema >> pg_create_schema >> pg_ddl_syntax >> pg_create_table >> pg_push_syntax >> pg_csv_to_table >> set_access_schemma >> set_access_all_table
\ No newline at end of file

1_los_kpt.py

+import json
+from datetime import date
+import calendar
+
+from airflow import DAG
+from airflow.operators.python import PythonOperator, BranchPythonOperator
+from airflow.operators.bash import BashOperator
+
+from datetime import datetime, timedelta
+from airflow.providers.sftp.operators.sftp import SFTPOperator
+from airflow.models import Variable
+from airflow.providers.postgres.operators.postgres import PostgresOperator
+
+from airflow.operators.trigger_dagrun import TriggerDagRunOperator
+from airflow.utils.trigger_rule import TriggerRule
+
+from airflow.models.xcom import XCom
+from airflow.decorators import task
+from airflow.hooks.postgres_hook import PostgresHook
+from airflow import XComArg
+
+
+
+yesterday_nodash = (datetime.now() - timedelta(1)).strftime('%Y%m%d') if Variable.get(
+    "DATE_OF_DATA") == 'today' else Variable.get("DATE_OF_DATA")
+yesterday_strip = datetime.strptime(yesterday_nodash, '%Y%m%d').strftime('%Y-%m-%d')
+
+POSTGRES_CONN_ID = Variable.get("DS_DB")
+POSTGRES_SCHEMA = 'ds_los_kpt' + Variable.get("ENV_T24")
+DS_CONN_ID = Variable.get("DS_LOS_KPT")
+DS_FOLDER = 'los'
+DS_DB = 'los-kpt'
+DS_SCHEMA = 'public'
+DS_CREATE_TABLE = ''
+
+def create_ddl(schema,column):
+    return f"""select string_agg(x,'') from (select
+    'create table {POSTGRES_SCHEMA}.'||table_name || ' ( ' || string_agg(column_name, ' text,') || ' text'|| ' ); ' as x
+
+from information_schema.columns where table_schema = '{schema}'
+and table_name in ({column})
+group by table_schema, table_name) as x ;"""
+
+def _start():
+    print("Start :: Extractor ")
+
+def ds_list_extractor():
+    sql_stmt = f"""select * from ds_conf.ds_extractor_list_extractor('los-kpt', '{yesterday_strip}');"""
+    pg_hook = PostgresHook(
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+    pg_conn = pg_hook.get_conn()
+    cursor = pg_conn.cursor()
+    cursor.execute(sql_stmt)
+    files = cursor.fetchall()
+    return files
+
+def ds_get_syntax(ti):
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    if not iris:
+        raise Exception('No data.')
+    return [{"op_kwargs": {
+        "copy_sql": f"""COPY {DS_SCHEMA}.{table['file_id'].replace(".", "_")} to STDOUT delimiter '|' CSV header""",
+        "file_id": table['file_id']}}
+        for
+        table in json.loads(iris[0][0][0])]
+
+def ds_get_csv(ti, copy_sql, file_id):
+    pg_hook = PostgresHook.get_hook(DS_CONN_ID)
+    pg_hook.copy_expert(copy_sql, filename=f"""{Variable.get("LOCAL_PATH")}{DS_FOLDER}/""" + (
+        f"""{yesterday_nodash}/{yesterday_nodash}.""" if Variable.get(
+            "WITH_DATE") == 'Y' else '') + f"""{file_id}.csv""")
+
+#
+# def ds_drop_syntax(ti):
+#     iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+#     if not iris:
+#         raise Exception('No data.')
+#     return [{
+#         "sql": f"""drop table ds_ebanking.{table['file_id'].replace(".", "_")} CASCADE;"""}
+#         for
+#         table in json.loads(iris[0][0][0])]
+
+
+def ds_get_ddl(ti):
+    global DS_CREATE_TABLE
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    column = []
+    for table in json.loads(iris[0][0][0]):
+        column.append(f"""'{table['file_id']}'""")
+    print(create_ddl(DS_SCHEMA, ','.join(column)))
+    sql_stmt = create_ddl(DS_SCHEMA, ','.join(column))
+    pg_hook = PostgresHook(
+        postgres_conn_id=DS_CONN_ID,
+    )
+    pg_conn = pg_hook.get_conn()
+    cursor = pg_conn.cursor()
+    cursor.execute(sql_stmt)
+    return cursor.fetchall()[0][0]
+
+def pg_ddl_syntax(ti):
+    print(ti.xcom_pull(task_ids=['ds_get_ddl'])[0])
+    return [{"sql": ti.xcom_pull(task_ids=['ds_get_ddl'])[0]}]
+
+
+
+def pg_push_syntax(ti):
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    if not iris:
+        raise Exception('No data.')
+    return [{"op_kwargs": {
+        "copy_sql": f"""COPY {POSTGRES_SCHEMA}.{table['file_id'].replace(".", "_")} from STDOUT delimiter '|' CSV header""",
+        "file_id": table['file_id']}}
+        for
+        table in json.loads(iris[0][0][0])]
+
+def pg_push_csv(ti, copy_sql, file_id):
+    pg_hook = PostgresHook.get_hook(POSTGRES_CONN_ID)
+    pg_hook.copy_expert(copy_sql, filename=f"""{Variable.get("LOCAL_PATH")}{DS_FOLDER}/""" + (
+        f"""{yesterday_nodash}/{yesterday_nodash}.""" if Variable.get(
+            "WITH_DATE") == 'Y' else '') + f"""{file_id}.csv""")
+
+with DAG("APJ_1_los_kpt",
+         start_date=datetime(2021, 1, 1),
+         schedule_interval=None,
+         catchup=False,
+         concurrency=3) as dag:
+
+
+    begin = PythonOperator(
+        task_id=f"Begin",
+        python_callable=_start,
+        op_kwargs={
+
+        }
+    )
+
+
+    create_folder = BashOperator(
+        task_id='create_folder',
+        bash_command=f"""mkdir -p {Variable.get("LOCAL_PATH")}{DS_FOLDER}/{yesterday_nodash}"""
+    )
+
+    ds_list_extractor = PythonOperator(
+        task_id='ds_list_extractor',
+        python_callable=ds_list_extractor,
+        do_xcom_push=True
+    )
+
+    ds_get_syntax = PythonOperator(
+        task_id='ds_syntax_get',
+        python_callable=ds_get_syntax
+    )
+
+    ds_table_to_csv = PythonOperator.partial(
+        task_id="ds_table_to_csv",
+        python_callable=ds_get_csv,
+        dag=dag
+    ).expand_kwargs(
+        XComArg(ds_get_syntax),
+    )
+
+    ds_get_ddl = PythonOperator(
+        task_id='ds_get_ddl',
+        python_callable=ds_get_ddl,
+        do_xcom_push=True
+    )
+
+    # ds_drop_syntax = PythonOperator(
+    #     task_id='ds_drop_syntax',
+    #     python_callable=ds_drop_syntax
+    # )
+
+    pg_drop_schema = PostgresOperator(
+        sql= f"""drop schema IF EXISTS {POSTGRES_SCHEMA} CASCADE;""",
+        task_id="pg_drop_schema",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    pg_create_schema = PostgresOperator(
+        sql= f"""create schema IF NOT EXISTS {POSTGRES_SCHEMA};""",
+        task_id="pg_create_schema",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    pg_ddl_syntax = PythonOperator(
+        task_id='pg_ddl_syntax',
+        python_callable=pg_ddl_syntax
+    )
+
+    pg_create_table = PostgresOperator.partial(
+        task_id="pg_create_table",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    ).expand_kwargs(
+        XComArg(pg_ddl_syntax),
+    )
+
+    pg_push_syntax = PythonOperator(
+        task_id='pg_syntax_push',
+        python_callable=pg_push_syntax
+    )
+
+    pg_csv_to_table = PythonOperator.partial(
+        task_id="pg_csv_to_table",
+        python_callable=pg_push_csv,
+        dag=dag
+    ).expand_kwargs(
+        XComArg(pg_push_syntax),
+    )
+
+    set_access_schemma = PostgresOperator(
+        sql=f"""GRANT USAGE ON SCHEMA {POSTGRES_SCHEMA} TO readaccess;""",
+        task_id="set_access_schemma",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    set_access_all_table = PostgresOperator(
+        sql=f"""GRANT SELECT ON ALL TABLES IN SCHEMA {POSTGRES_SCHEMA} TO readaccess;""",
+        task_id="set_access_all_table",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    begin >> create_folder >> ds_list_extractor >> ds_get_syntax >> ds_table_to_csv >> ds_get_ddl >> pg_drop_schema >> pg_create_schema >> pg_ddl_syntax >> pg_create_table >> pg_push_syntax >> pg_csv_to_table >> set_access_schemma >> set_access_all_table
\ No newline at end of file

1_mgate.py

+import json, os
+from datetime import date
+import calendar
+
+from airflow import DAG
+from airflow.operators.python import PythonOperator, BranchPythonOperator, ShortCircuitOperator
+from airflow.operators.bash import BashOperator
+
+from datetime import datetime, timedelta
+from airflow.providers.sftp.operators.sftp import SFTPOperator
+from airflow.models import Variable
+from airflow.providers.postgres.operators.postgres import PostgresOperator
+
+from airflow.operators.trigger_dagrun import TriggerDagRunOperator
+from airflow.utils.trigger_rule import TriggerRule
+
+from airflow.models.xcom import XCom
+from airflow.decorators import task
+from airflow.hooks.postgres_hook import PostgresHook
+from airflow import XComArg
+
+
+
+yesterday_nodash = (datetime.now() - timedelta(1)).strftime('%Y%m%d') if Variable.get(
+    "DATE_OF_DATA") == 'today' else Variable.get("DATE_OF_DATA")
+yesterday_strip = datetime.strptime(yesterday_nodash, '%Y%m%d').strftime('%Y-%m-%d')
+d = f"""{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}"""
+today = d[:]
+
+POSTGRES_CONN_ID = Variable.get("DS_DB")
+POSTGRES_SCHEMA = 'ds_mgate' + Variable.get("ENV_T24")
+DS_CONN_ID = Variable.get("DS_MGATE")
+DS_FOLDER = 'mgate'
+DS_DB = 'mgate'
+DS_SCHEMA = 'mgate'
+DS_CREATE_TABLE = ''
+
+def create_ddl(schema,column):
+    return f"""select string_agg(x,'') from (select
+    'create table {POSTGRES_SCHEMA}.'||table_name || ' ( ' || string_agg(column_name, ' text,' order by ordinal_position) || ' text'|| ' ); ' as x
+
+from information_schema.columns where table_schema = '{schema}'
+and table_name in ({column})
+group by table_schema, table_name) as x ;"""
+
+def _start():
+    print("Start :: Extractor ")
+
+def check_done_ext(**kwargs):
+    from random import randint
+
+    # number = randint(0, 10)
+
+    if os.path.isfile(f'''{Variable.get("LOCAL_PATH")}{DS_FOLDER}/{yesterday_nodash}/done_ext.csv'''):
+        print("A")
+        return False
+    else:
+        print("B")
+        # STOP DAG
+        return True
+
+def ds_list_extractor():
+    sql_stmt = f"""select * from ds_conf.ds_extractor_list_extractor('mgate', '{yesterday_strip}');"""
+    pg_hook = PostgresHook(
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+    pg_conn = pg_hook.get_conn()
+    cursor = pg_conn.cursor()
+    cursor.execute(sql_stmt)
+    files = cursor.fetchall()
+    return files
+
+def ds_get_syntax(ti):
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    if not iris:
+        raise Exception('No data.')
+    return [{"op_kwargs": {
+        "copy_sql": f"""COPY ( select * from {DS_SCHEMA}.{table['file_id'].replace(".", "_")}{table['partition_table_format']} {table['condition']}) to STDOUT delimiter '{table['delimiter']}' CSV header""",
+        "file_id": table['file_id']}}
+        for
+        table in json.loads(iris[0][0][0])]
+
+def ds_get_csv(ti, copy_sql, file_id):
+    pg_hook = PostgresHook.get_hook(DS_CONN_ID)
+    pg_hook.copy_expert(copy_sql, filename=f"""{Variable.get("LOCAL_PATH")}{DS_FOLDER}/""" + (
+        f"""{yesterday_nodash}/{yesterday_nodash}.""" if Variable.get(
+            "WITH_DATE") == 'Y' else '') + f"""{file_id}.csv""")
+
+#
+# def ds_drop_syntax(ti):
+#     iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+#     if not iris:
+#         raise Exception('No data.')
+#     return [{
+#         "sql": f"""drop table ds_ebanking.{table['file_id'].replace(".", "_")} CASCADE;"""}
+#         for
+#         table in json.loads(iris[0][0][0])]
+
+
+def ds_get_ddl(ti):
+    global DS_CREATE_TABLE
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    column = []
+    for table in json.loads(iris[0][0][0]):
+        column.append(f"""'{table['file_id']}'""")
+    print(create_ddl(DS_SCHEMA, ','.join(column)))
+    sql_stmt = create_ddl(DS_SCHEMA, ','.join(column))
+    pg_hook = PostgresHook(
+        postgres_conn_id=DS_CONN_ID,
+    )
+    pg_conn = pg_hook.get_conn()
+    cursor = pg_conn.cursor()
+    cursor.execute(sql_stmt)
+    return cursor.fetchall()[0][0]
+
+def pg_ddl_syntax(ti):
+    print(ti.xcom_pull(task_ids=['ds_get_ddl'])[0])
+    return [{"sql": ti.xcom_pull(task_ids=['ds_get_ddl'])[0]}]
+
+
+
+def pg_push_syntax(ti):
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    if not iris:
+        raise Exception('No data.')
+    return [{"op_kwargs": {
+        "copy_sql": f"""COPY {POSTGRES_SCHEMA}.{table['file_id'].replace(".", "_")} from STDOUT delimiter '|' CSV header""",
+        "file_id": table['file_id']}}
+        for
+        table in json.loads(iris[0][0][0])]
+
+def pg_push_csv(ti, copy_sql, file_id):
+    pg_hook = PostgresHook.get_hook(POSTGRES_CONN_ID)
+    pg_hook.copy_expert(copy_sql, filename=f"""{Variable.get("LOCAL_PATH")}{DS_FOLDER}/""" + (
+        f"""{yesterday_nodash}/{yesterday_nodash}.""" if Variable.get(
+            "WITH_DATE") == 'Y' else '') + f"""{file_id}.csv""")
+
+with DAG("APJ_1_mgate",
+         start_date=datetime(2021, 1, 1),
+         schedule_interval='10 0 * * *',
+         catchup=False,
+         concurrency=3) as dag:
+
+
+    begin = PythonOperator(
+        task_id=f"Begin",
+        python_callable=_start,
+        op_kwargs={
+
+        }
+    )
+
+    check_done_ext = ShortCircuitOperator(
+        task_id="check_done_ext",
+        provide_context=True,
+        python_callable=check_done_ext,
+        op_kwargs={},
+    )
+
+    history_start = PostgresOperator(
+        sql=f"""INSERT INTO ds_conf."Datasource_history"
+        (source, start_time, finish_time, status, env, date_of_data) VALUES
+        ('{POSTGRES_SCHEMA}'::varchar(255), '{today}'::timestamp with time zone, '{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}'::timestamp with time zone, 'ONPROCESS'::varchar(100), '', '{yesterday_nodash}');""",
+        task_id="history_start",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    create_folder = BashOperator(
+        task_id='create_folder',
+        bash_command=f"""mkdir -p {Variable.get("LOCAL_PATH")}{DS_FOLDER}/{yesterday_nodash}"""
+    )
+
+    ds_list_extractor = PythonOperator(
+        task_id='ds_list_extractor',
+        python_callable=ds_list_extractor,
+        do_xcom_push=True
+    )
+
+    ds_get_syntax = PythonOperator(
+        task_id='ds_syntax_get',
+        python_callable=ds_get_syntax
+    )
+
+    ds_table_to_csv = PythonOperator.partial(
+        task_id="ds_table_to_csv",
+        python_callable=ds_get_csv,
+        dag=dag
+    ).expand_kwargs(
+        XComArg(ds_get_syntax),
+    )
+
+    ds_get_ddl = PythonOperator(
+        task_id='ds_get_ddl',
+        python_callable=ds_get_ddl,
+        do_xcom_push=True
+    )
+
+    # ds_drop_syntax = PythonOperator(
+    #     task_id='ds_drop_syntax',
+    #     python_callable=ds_drop_syntax
+    # )
+
+    pg_drop_schema = PostgresOperator(
+        sql= f"""drop schema IF EXISTS {POSTGRES_SCHEMA} CASCADE;""",
+        task_id="pg_drop_schema",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    pg_create_schema = PostgresOperator(
+        sql= f"""create schema IF NOT EXISTS {POSTGRES_SCHEMA};""",
+        task_id="pg_create_schema",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    pg_ddl_syntax = PythonOperator(
+        task_id='pg_ddl_syntax',
+        python_callable=pg_ddl_syntax
+    )
+
+    pg_create_table = PostgresOperator.partial(
+        task_id="pg_create_table",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    ).expand_kwargs(
+        XComArg(pg_ddl_syntax),
+    )
+
+    pg_push_syntax = PythonOperator(
+        task_id='pg_syntax_push',
+        python_callable=pg_push_syntax
+    )
+
+    pg_csv_to_table = PythonOperator.partial(
+        task_id="pg_csv_to_table",
+        python_callable=pg_push_csv,
+        dag=dag
+    ).expand_kwargs(
+        XComArg(pg_push_syntax),
+    )
+
+    set_access_schemma = PostgresOperator(
+        sql=f"""GRANT USAGE ON SCHEMA {POSTGRES_SCHEMA} TO readaccess;""",
+        task_id="set_access_schemma",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    set_access_all_table = PostgresOperator(
+        sql=f"""GRANT SELECT ON ALL TABLES IN SCHEMA {POSTGRES_SCHEMA} TO readaccess;""",
+        task_id="set_access_all_table",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+
+    ds_ext_done = BashOperator(
+        task_id="ds_ext_done",
+        bash_command=f"""
+         touch  /opt/airflow/dags/DFE/{DS_FOLDER}/{yesterday_nodash}/done_ext.csv;
+         """,
+    )
+
+    history_finish = PostgresOperator(
+        sql=f"""
+               UPDATE ds_conf."Datasource_history"
+                   SET status = 'DONE', finish_time = '{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}'::timestamp with time zone
+               WHERE source = '{POSTGRES_SCHEMA}' and status = 'ONPROCESS';
+    """,
+        task_id="history_finish",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+
+
+    begin >> check_done_ext >> history_start >> create_folder >> ds_list_extractor >> ds_get_syntax >> ds_table_to_csv >> ds_get_ddl >> pg_drop_schema >> pg_create_schema >> pg_ddl_syntax >> pg_create_table >> pg_push_syntax >> pg_csv_to_table >> set_access_schemma >> set_access_all_table >> ds_ext_done >> history_finish
\ No newline at end of file

1_switching_db.py

+import json, os
+from datetime import date
+import calendar
+
+from airflow import DAG
+from airflow.operators.python import PythonOperator, BranchPythonOperator, ShortCircuitOperator
+from airflow.operators.bash import BashOperator
+
+from datetime import datetime, timedelta
+from airflow.providers.sftp.operators.sftp import SFTPOperator
+from airflow.models import Variable
+from airflow.providers.postgres.operators.postgres import PostgresOperator
+
+from airflow.operators.trigger_dagrun import TriggerDagRunOperator
+from airflow.utils.trigger_rule import TriggerRule
+
+from airflow.models.xcom import XCom
+from airflow.decorators import task
+from airflow.hooks.postgres_hook import PostgresHook
+from airflow import XComArg
+
+
+
+yesterday_nodash = (datetime.now() - timedelta(1)).strftime('%Y%m%d') if Variable.get(
+    "DATE_OF_DATA") == 'today' else Variable.get("DATE_OF_DATA")
+yesterday_strip = datetime.strptime(yesterday_nodash, '%Y%m%d').strftime('%Y-%m-%d')
+d = f"""{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}"""
+today = d[:]
+
+POSTGRES_CONN_ID = Variable.get("DS_DB")
+POSTGRES_SCHEMA = 'ds_switching' + Variable.get("ENV_T24")
+DS_CONN_ID = Variable.get("DS_SWITCHING")
+DS_FOLDER = 'switching'
+DS_DB = 'switching'
+DS_SCHEMA = 'public'
+DS_CREATE_TABLE = ''
+
+def create_ddl(schema,column):
+    return f"""select string_agg(x,'') from (select
+    'create table {POSTGRES_SCHEMA}.'||table_name || ' ( ' || string_agg(column_name, ' text,' order by ordinal_position) || ' text'|| ' ); ' as x
+
+from information_schema.columns where table_schema = '{schema}'
+and table_name in ({column})
+group by table_schema, table_name) as x ;"""
+
+def _start():
+    print("Start :: Extractor ")
+
+def check_done_ext(**kwargs):
+    from random import randint
+
+    # number = randint(0, 10)
+
+    if os.path.isfile(f'''{Variable.get("LOCAL_PATH")}{DS_FOLDER}/{yesterday_nodash}/done_ext.csv'''):
+        print("A")
+        return False
+    else:
+        print("B")
+        # STOP DAG
+        return True
+
+def ds_list_extractor():
+    sql_stmt = f"""select * from ds_conf.ds_extractor_list_extractor('switching', '{yesterday_strip}');"""
+    pg_hook = PostgresHook(
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+    pg_conn = pg_hook.get_conn()
+    cursor = pg_conn.cursor()
+    cursor.execute(sql_stmt)
+    files = cursor.fetchall()
+    return files
+
+def ds_get_syntax(ti):
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    if not iris:
+        raise Exception('No data.')
+    return [{"op_kwargs": {
+        "copy_sql": f"""COPY ( select * from {DS_SCHEMA}.{table['file_id'].replace(".", "_")}{table['partition_table_format']} {table['condition']}) to STDOUT delimiter '{table['delimiter']}' CSV header""",
+        "file_id": table['file_id']}}
+        for
+        table in json.loads(iris[0][0][0])]
+
+def ds_get_csv(ti, copy_sql, file_id):
+    pg_hook = PostgresHook.get_hook(DS_CONN_ID)
+    pg_hook.copy_expert(copy_sql, filename=f"""{Variable.get("LOCAL_PATH")}{DS_FOLDER}/""" + (
+        f"""{yesterday_nodash}/{yesterday_nodash}.""" if Variable.get(
+            "WITH_DATE") == 'Y' else '') + f"""{file_id}.csv""")
+
+#
+# def ds_drop_syntax(ti):
+#     iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+#     if not iris:
+#         raise Exception('No data.')
+#     return [{
+#         "sql": f"""drop table ds_ebanking.{table['file_id'].replace(".", "_")} CASCADE;"""}
+#         for
+#         table in json.loads(iris[0][0][0])]
+
+
+def ds_get_ddl(ti):
+    global DS_CREATE_TABLE
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    column = []
+    for table in json.loads(iris[0][0][0]):
+        column.append(f"""'{table['file_id']}'""")
+    print(create_ddl(DS_SCHEMA, ','.join(column)))
+    sql_stmt = create_ddl(DS_SCHEMA, ','.join(column))
+    pg_hook = PostgresHook(
+        postgres_conn_id=DS_CONN_ID,
+    )
+    pg_conn = pg_hook.get_conn()
+    cursor = pg_conn.cursor()
+    cursor.execute(sql_stmt)
+    return cursor.fetchall()[0][0]
+
+def pg_ddl_syntax(ti):
+    print(ti.xcom_pull(task_ids=['ds_get_ddl'])[0])
+    return [{"sql": ti.xcom_pull(task_ids=['ds_get_ddl'])[0]}]
+
+
+
+def pg_push_syntax(ti):
+    iris = ti.xcom_pull(task_ids=['ds_list_extractor'])
+    if not iris:
+        raise Exception('No data.')
+    return [{"op_kwargs": {
+        "copy_sql": f"""COPY {POSTGRES_SCHEMA}.{table['file_id'].replace(".", "_")} from STDOUT delimiter '|' CSV header""",
+        "file_id": table['file_id']}}
+        for
+        table in json.loads(iris[0][0][0])]
+
+def pg_push_csv(ti, copy_sql, file_id):
+    pg_hook = PostgresHook.get_hook(POSTGRES_CONN_ID)
+    pg_hook.copy_expert(copy_sql, filename=f"""{Variable.get("LOCAL_PATH")}{DS_FOLDER}/""" + (
+        f"""{yesterday_nodash}/{yesterday_nodash}.""" if Variable.get(
+            "WITH_DATE") == 'Y' else '') + f"""{file_id}.csv""")
+
+with DAG("APJ_1_SWITCHING_DB",
+         start_date=datetime(2021, 1, 1),
+         schedule_interval='10 0 * * *',
+         catchup=False,
+         concurrency=3) as dag:
+
+
+    begin = PythonOperator(
+        task_id=f"Begin",
+        python_callable=_start,
+        op_kwargs={
+
+        }
+    )
+
+    check_done_ext = ShortCircuitOperator(
+        task_id="check_done_ext",
+        provide_context=True,
+        python_callable=check_done_ext,
+        op_kwargs={},
+    )
+
+    history_start = PostgresOperator(
+        sql=f"""INSERT INTO ds_conf."Datasource_history"
+        (source, start_time, finish_time, status, env, date_of_data) VALUES
+        ('{POSTGRES_SCHEMA}'::varchar(255), '{today}'::timestamp with time zone, '{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}'::timestamp with time zone, 'ONPROCESS'::varchar(100), '', '{yesterday_nodash}');""",
+        task_id="history_start",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    create_folder = BashOperator(
+        task_id='create_folder',
+        bash_command=f"""mkdir -p {Variable.get("LOCAL_PATH")}{DS_FOLDER}/{yesterday_nodash}"""
+    )
+
+    ds_list_extractor = PythonOperator(
+        task_id='ds_list_extractor',
+        python_callable=ds_list_extractor,
+        do_xcom_push=True
+    )
+
+    ds_get_syntax = PythonOperator(
+        task_id='ds_syntax_get',
+        python_callable=ds_get_syntax
+    )
+
+    ds_table_to_csv = PythonOperator.partial(
+        task_id="ds_table_to_csv",
+        python_callable=ds_get_csv,
+        dag=dag
+    ).expand_kwargs(
+        XComArg(ds_get_syntax),
+    )
+
+    ds_get_ddl = PythonOperator(
+        task_id='ds_get_ddl',
+        python_callable=ds_get_ddl,
+        do_xcom_push=True
+    )
+
+    # ds_drop_syntax = PythonOperator(
+    #     task_id='ds_drop_syntax',
+    #     python_callable=ds_drop_syntax
+    # )
+
+    pg_drop_schema = PostgresOperator(
+        sql= f"""drop schema IF EXISTS {POSTGRES_SCHEMA} CASCADE;""",
+        task_id="pg_drop_schema",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    pg_create_schema = PostgresOperator(
+        sql= f"""create schema IF NOT EXISTS {POSTGRES_SCHEMA};""",
+        task_id="pg_create_schema",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    pg_ddl_syntax = PythonOperator(
+        task_id='pg_ddl_syntax',
+        python_callable=pg_ddl_syntax
+    )
+
+    pg_create_table = PostgresOperator.partial(
+        task_id="pg_create_table",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    ).expand_kwargs(
+        XComArg(pg_ddl_syntax),
+    )
+
+    pg_push_syntax = PythonOperator(
+        task_id='pg_syntax_push',
+        python_callable=pg_push_syntax
+    )
+
+    pg_csv_to_table = PythonOperator.partial(
+        task_id="pg_csv_to_table",
+        python_callable=pg_push_csv,
+        dag=dag
+    ).expand_kwargs(
+        XComArg(pg_push_syntax),
+    )
+
+    set_access_schemma = PostgresOperator(
+        sql=f"""GRANT USAGE ON SCHEMA {POSTGRES_SCHEMA} TO readaccess;""",
+        task_id="set_access_schemma",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    set_access_all_table = PostgresOperator(
+        sql=f"""GRANT SELECT ON ALL TABLES IN SCHEMA {POSTGRES_SCHEMA} TO readaccess;""",
+        task_id="set_access_all_table",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+    ds_ext_done = BashOperator(
+        task_id="ds_ext_done",
+        bash_command=f"""
+          touch  /opt/airflow/dags/DFE/{DS_FOLDER}/{yesterday_nodash}/done_ext.csv;
+          """,
+    )
+
+    history_finish = PostgresOperator(
+        sql=f"""
+               UPDATE ds_conf."Datasource_history"
+                   SET status = 'DONE', finish_time = '{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}'::timestamp with time zone
+               WHERE source = '{POSTGRES_SCHEMA}' and status = 'ONPROCESS';
+    """,
+        task_id="history_finish",
+        postgres_conn_id=POSTGRES_CONN_ID,
+    )
+
+
+
+
+    begin >> check_done_ext >> history_start >> create_folder >> ds_list_extractor >> ds_get_syntax >> ds_table_to_csv >> ds_get_ddl >> pg_drop_schema >> pg_create_schema >> pg_ddl_syntax >> pg_create_table >> pg_push_syntax >> pg_csv_to_table >> set_access_schemma >> set_access_all_table >> ds_ext_done >> history_finish
\ No newline at end of file