An Ansible Role that installs Patroni based Postgres with Python on CentOS.
No requirements.
Available variables are listed below, along with default values (see defaults/main.yml):
pg_major_version: 12
pg_repo_url: "https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm"
pg_enablerepo: "pgdg12"Set PostgreSQL major version. Patroni works with Open Source PostgreSQL binaries for bootstrapping clusters.
patroni_data_dir: "/data/patroni"
patroni_home: "/etc/patroni"
patroni_log_dir: "/var/log/pgsql/{{ pg_major_version }}"
pg_bin_path: "/usr/pgsql-{{ pg_major_version }}/bin"
patroni_bin_path: /usr/local/bin/patroni
pg_pass: /var/lib/pgsql/{{ pg_major_version }}Set some directories Patroni will be used for bootstrapping new clusters.
pg_user: postgres
pg_user_password: postgres
pg_group: postgresSet postgres user. He owns the Patroni based directories and files.
pg_patroni_scope: postgres-ha
pg_patroni_namespace: patroni-postgresSet the scope and namespace that all PostgreSQL instances from one Patroni cluster.
etcd0_ip: 192.168.56.150
etcd1_ip: 192.168.56.151
etcd2_ip: 192.168.56.152Patroni uses etcd key-value store for PostgreSQL leader election. Use 3, 5 or 7 etcd instances for RAFT.
pg_port: 5432
etcd_port: 2379
patroni_port: 8008Specify PostgreSQL, etcd connection and Patroni port. Patroni port will be used for health checks of the instances.
pg_packages:
- postgresql{{ pg_major_version }}-server
- postgresql{{ pg_major_version }}-contrib
- postgresql{{ pg_major_version }}-libsRequired Open Source PostgreSQL packages with binaries for Patroni.
os_python_packages:
- net-tools
- firewalld
- gcc
- python3
- python3-devel
- python3-pipInstall some operating system packages that Patroni needs for Python setup.
patroni_python_packages:
- urllib3>=1.24.2
- boto
- PyYAML
- six>=1.7
- kazoo>=1.3.1
- python-etcd>=0.4.3,<0.5
- click>=4.1
- prettytable>=0.7
- python-dateutil
- psutil>=2.0.0
- cdiff
- psycopg2-binary>=2.8.4Required Python packages for Patroni.
MIT
This role was created in 2020 by Yannic Nevado.
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