Apache Airflow Mpack Installation (Python3.8 & RHEL8 with Postgres15)

To install Apache Airflow management pack (mpack) for Python 8 and RHEL 8 with Postgres15, perform the following steps:

Install Python 3.8 and create symlinks:

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sudo ln -sf /usr/bin/python3.8 /usr/bin/python3sudo ln -sf /usr/bin/pip3.8 /usr/bin/pip3
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Install and setup Postgres15:

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sudo -u postgres psqlCREATE DATABASE airflow;CREATE USER airflow WITH PASSWORD 'airflow';ALTER ROLE airflow SET client_encoding TO 'utf8';ALTER ROLE airflow SET default_transaction_isolation TO 'read committed';ALTER ROLE airflow SET timezone TO 'UTC';GRANT ALL PRIVILEGES ON DATABASE airflow TO airflow;\c airflowGRANT ALL ON SCHEMA public TO airflow;\q
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Update PostgreSQL configuration files:

Edit /var/lib/pgsql/15/data/postgresql.conf:

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vi /var/lib/pgsql/15/data/postgresql.conf
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Uncomment the following lines:

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listen_addresses = '*'port = 5432
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Edit /var/lib/pgsql/15/data/pg_hba.conf:

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vi /var/lib/pgsql/15/data/pg_hba.conf
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Add the following line:

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host    airflow         airflow         37.27.118.52/32           md5
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Restart PostgreSQL:

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sudo systemctl restart postgresql-15
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Install package psycopg2-binary:

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pip3 install psycopg2-binary
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Install Mpack:

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ambari-server install-mpack --mpack=ambari-mpacks-airflow-2.8.1.tar.gz --verbose
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Refer to the screenshots below for guidance on installing the service via Ambari UI:

Follow the Airflow configurations steps provided in the Apache Airflow Installation using Mpack on Ambari guide.

Access the Airflow UI using your Airflow credentials, in this case we are using 'airflow' as the username and password.

Last updated on Mar 14, 2025

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