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https://pagure.io/fedora-infra/ansible.git
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9aa7120fee
This needs better debugging, but our connection pooling is probably pretty complicated (each WSGI daemon process can have 15 connections to DB, 5+10 overflow). And we have _many_ processes nowadays, while the default connection limit is 100 in PostgreSQL.
152 lines
3.9 KiB
YAML
152 lines
3.9 KiB
YAML
- name: install postresql
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package: state=present pkg={{ item }}
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with_items:
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- "postgresql-server"
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- "postgresql-contrib"
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- "pspg"
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- name: See if PostgreSQL is initialized
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stat: path=/var/lib/pgsql/data/PG_VERSION
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register: postgres_initialized
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- name: init postgresql
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shell: "postgresql-setup initdb"
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when: not postgres_initialized.stat.exists
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- name: copy pg_hba.conf
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copy: src="pg/pg_hba.conf" dest=/var/lib/pgsql/data/pg_hba.conf owner=postgres group=postgres mode=0600
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notify:
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- restart postgresql
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tags:
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- config
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- name: Ensure postgres has a place to backup to
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file: dest=/backups state=directory owner=postgres
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tags:
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- config
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# TODO: I think we missing user creation, check it we do it somewhere else ...
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- name: Copy over backup scriplet
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copy: src="{{ files }}/../roles/postgresql_server/files/backup-database" dest=/usr/local/bin/backup-database mode=0755
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tags:
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- config
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- name: Set up some cronjobs to backup databases as configured
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template: >
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src="{{ files }}/../roles/postgresql_server/templates/cron-backup-database"
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dest="/etc/cron.d/cron-backup-database-{{ item }}"
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with_items:
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- "{{ dbs_to_backup }}"
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when: dbs_to_backup != []
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tags:
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- config
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- name: enable Pg service
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service: state=started enabled=yes name=postgresql
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- name: Create db
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postgresql_db: name="coprdb" encoding='UTF-8'
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become: yes
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become_user: postgres
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- name: Create db user
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postgresql_user: db="coprdb" name="copr-fe" password="{{ copr_database_password }}" role_attr_flags=SUPERUSER,NOCREATEDB,NOCREATEROLE
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become: yes
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become_user: postgres
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- name: set shared_buffers for PostgreSQL
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lineinfile:
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path: /var/lib/pgsql/data/postgresql.conf
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regexp: '^shared_buffers ='
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line: 'shared_buffers = 1024MB'
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notify: restart postgresql
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tags:
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- config
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- name: set effective_cache_size for PostgreSQL
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lineinfile:
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path: /var/lib/pgsql/data/postgresql.conf
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regexp: '^effective_cache_size ='
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line: 'effective_cache_size = 2048MB'
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notify: restart postgresql
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tags:
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- config
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- name: set work_mem for PostgreSQL
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lineinfile:
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path: /var/lib/pgsql/data/postgresql.conf
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regexp: '^work_mem ='
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line: 'work_mem = 4MB'
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notify: restart postgresql
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tags:
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- config
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- name: set maintenance_work_mem for PostgreSQL
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lineinfile:
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path: /var/lib/pgsql/data/postgresql.conf
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regexp: '^maintenance_work_mem ='
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line: 'maintenance_work_mem = 500MB'
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notify: restart postgresql
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tags:
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- config
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- name: set checkpoint_completion_target for PostgreSQL
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lineinfile:
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path: /var/lib/pgsql/data/postgresql.conf
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regexp: '^checkpoint_completion_target ='
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line: 'checkpoint_completion_target = 0.9'
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notify: restart postgresql
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tags:
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- config
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- name: set log_min_duration_statement for PostgreSQL
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lineinfile:
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path: /var/lib/pgsql/data/postgresql.conf
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regexp: '^log_min_duration_statement ='
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line: 'log_min_duration_statement = 500'
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notify: restart postgresql
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tags:
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- config
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- name: set max_connections for PostgreSQL
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lineinfile:
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path: /var/lib/pgsql/data/postgresql.conf
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regexp: '^max_connections ='
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line: 'max_connections = 200'
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notify: restart postgresql
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tags:
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- config
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- name: install psqlrc file
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copy:
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content: |
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\pset linestyle unicode
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\pset border 2
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-- Switch pagers with :x and :xx commands
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\set x '\\setenv PAGER less'
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\set xx '\\setenv PAGER \'pspg -bX --no-mouse\''
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:xx
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dest: "{{ copr_fe_homedir }}/.psqlrc"
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owner: copr-fe
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group: copr-fe
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mode: 0600
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- name: install pgpass file
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copy:
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content: |
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localhost:*:coprdb:copr-fe:{{ copr_database_password }}
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dest: "{{ copr_fe_homedir }}/.pgpass"
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owner: copr-fe
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group: copr-fe
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mode: 0400
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- stat: path="{{ copr_fe_homedir }}/.psql_history"
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register: history_file
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- name: install pghistory file
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file: path="{{ copr_fe_homedir }}/.psql_history" state=touch
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owner=copr-fe group=copr-fe mode=0600
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when: not history_file.stat.exists
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