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145 lines
5.3 KiB
Markdown
145 lines
5.3 KiB
Markdown
# Ansible Role: PostgreSQL
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[](https://travis-ci.org/geerlingguy/ansible-role-postgresql)
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Installs and configures PostgreSQL server on RHEL/CentOS or Debian/Ubuntu servers.
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## Requirements
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No special requirements; note that this role requires root access, so either run it in a playbook with a global `become: yes`, or invoke the role in your playbook like:
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- hosts: database
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roles:
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- role: geerlingguy.postgresql
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become: yes
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## Role Variables
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Available variables are listed below, along with default values (see `defaults/main.yml`):
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postgresql_enablerepo: ""
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(RHEL/CentOS only) You can set a repo to use for the PostgreSQL installation by passing it in here.
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postgresql_restarted_state: "restarted"
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Set the state of the service when configuration changes are made. Recommended values are `restarted` or `reloaded`.
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postgresql_python_library: python-psycopg2
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Library used by Ansible to communicate with PostgreSQL. If you are using Python 3 (e.g. set via `ansible_python_interpreter`), you should change this to `python3-psycopg2`.
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postgresql_user: postgres
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postgresql_group: postgres
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The user and group under which PostgreSQL will run.
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postgresql_unix_socket_directories:
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- /var/run/postgresql
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The directories (usually one, but can be multiple) where PostgreSQL's socket will be created.
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postgresql_service_state: started
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postgresql_service_enabled: true
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Control the state of the postgresql service and whether it should start at boot time.
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postgresql_global_config_options:
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- option: unix_socket_directories
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value: '{{ postgresql_unix_socket_directories | join(",") }}'
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Global configuration options that will be set in `postgresql.conf`. Note that for RHEL/CentOS 6 (or very old versions of PostgreSQL), you need to at least override this variable and set the `option` to `unix_socket_directory`.
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postgresql_hba_entries:
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- { type: local, database: all, user: postgres, auth_method: peer }
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- { type: local, database: all, user: all, auth_method: peer }
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- { type: host, database: all, user: all, address: '127.0.0.1/32', auth_method: md5 }
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- { type: host, database: all, user: all, address: '::1/128', auth_method: md5 }
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Configure [host based authentication](https://www.postgresql.org/docs/current/static/auth-pg-hba-conf.html) entries to be set in the `pg_hba.conf`. Options for entries include:
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- `type` (required)
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- `database` (required)
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- `user` (required)
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- `address` (one of this or the following two are required)
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- `ip_address`
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- `ip_mask`
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- `auth_method` (required)
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- `auth_options` (optional)
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If overriding, make sure you copy all of the existing entries from `defaults/main.yml` if you need to preserve existing entries.
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postgresql_locales:
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- 'en_US.UTF-8'
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(Debian/Ubuntu only) Used to generate the locales used by PostgreSQL databases.
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postgresql_databases:
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- name: exampledb # required; the rest are optional
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lc_collate: # defaults to 'en_US.UTF-8'
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lc_ctype: # defaults to 'en_US.UTF-8'
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encoding: # defaults to 'UTF-8'
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template: # defaults to 'template0'
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login_host: # defaults to 'localhost'
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login_password: # defaults to not set
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login_user: # defaults to 'postgresql_user'
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login_unix_socket: # defaults to 1st of postgresql_unix_socket_directories
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port: # defaults to not set
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owner: # defaults to postgresql_user
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state: # defaults to 'present'
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A list of databases to ensure exist on the server. Only the `name` is required; all other properties are optional.
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postgresql_users:
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- name: jdoe #required; the rest are optional
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password: # defaults to not set
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encrypted: # defaults to not set
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priv: # defaults to not set
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role_attr_flags: # defaults to not set
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db: # defaults to not set
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login_host: # defaults to 'localhost'
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login_password: # defaults to not set
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login_user: # defaults to '{{ postgresql_user }}'
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login_unix_socket: # defaults to 1st of postgresql_unix_socket_directories
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port: # defaults to not set
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state: # defaults to 'present'
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A list of users to ensure exist on the server. Only the `name` is required; all other properties are optional.
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postgresql_version: [OS-specific]
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postgresql_data_dir: [OS-specific]
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postgresql_bin_path: [OS-specific]
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postgresql_config_path: [OS-specific]
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postgresql_daemon: [OS-specific]
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postgresql_packages: [OS-specific]
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OS-specific variables that are set by include files in this role's `vars` directory. These shouldn't be overridden unless you're using a version of PostgreSQL that wasn't installed using system packages.
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## Dependencies
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None.
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## Example Playbook
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- hosts: database
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become: yes
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vars_files:
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- vars/main.yml
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roles:
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- geerlingguy.postgresql
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*Inside `vars/main.yml`*:
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postgresql_databases:
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- name: example_db
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postgresql_users:
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- name: example_user
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password: supersecure
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## License
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MIT / BSD
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## Author Information
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This role was created in 2016 by [Jeff Geerling](https://www.jeffgeerling.com/), author of [Ansible for DevOps](https://www.ansiblefordevops.com/).
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