pvc-ansible/roles/pvc/tasks/patroni.yml

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---
- name: install patroni packages via apt
apt:
name:
- python-psycopg2
- python3-kazoo
- patroni
- postgresql-11
state: latest
update-cache: yes
- name: first run check
shell: "echo 'bootstrapped' > /etc/postgresql/pvc"
register: newinstance
args:
creates: /etc/postgresql/pvc
- name: stop and disable postgresql
service:
name: "{{ item }}"
state: stopped
enabled: no
with_items:
- postgresql
- postgresql@11-main
when: newinstance.changed
- name: remove obsolete database directories
file:
dest: "{{ item }}"
state: absent
with_items:
- /etc/postgresql/11
- /var/lib/postgresql/11
when: newinstance.changed
- name: create patroni database directory
file:
dest: /var/lib/postgresql/patroni/pvc
state: directory
owner: postgres
mode: 0700
when: newinstance.changed
- name: install postgresql customization configuration file
template:
src: patroni/postgresql.pvc.conf.j2
dest: /etc/postgresql/postgresql.pvc.conf
owner: postgres
group: sudo
mode: 0640
notify: restart patroni
- name: install patroni configuration file
template:
src: patroni/patroni.yml.j2
dest: /etc/patroni/config.yml
owner: postgres
group: postgres
mode: 0640
notify: restart patroni
- name: install check_mk agent check
copy:
src: patroni/postgres
dest: /usr/lib/check_mk_agent/plugins/postgres
mode: 0755
- name: ensure patroni services are enabled and started
service:
name: "{{ item }}.service"
state: started
enabled: yes
with_items:
- patroni
- name: install initial schema files
copy:
src: "{{ item.src }}"
dest: "{{ item.dest }}"
owner: postgres
group: sudo
mode: 0640
with_items:
- { src: "patroni/powerdns-schema.sql", dest: "/etc/postgresql/powerdns-schema.sql" }
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- block:
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- name: wait 15s for cluster to initialize
pause:
seconds: 15
- name: create user for role
postgresql_user:
name: "{{ pvc_dns_database_user }}"
password: "{{ pvc_dns_database_password }}"
state: present
login_host: /run/postgresql
- name: create database for role
postgresql_db:
name: "{{ pvc_dns_database_name }}"
owner: "{{ pvc_dns_database_user }}"
encoding: utf8
state: present
login_host: /run/postgresql
- name: set user privs for role
postgresql_user:
name: "{{ pvc_dns_database_user }}"
db: "{{ pvc_dns_database_name }}"
priv: ALL
login_host: /run/postgresql
- name: create extensions
postgresql_ext:
name: "{{ item }}"
db: "{{ pvc_dns_database_name }}"
login_host: /run/postgresql
with_items: "{{ extensions }}"
when: extensions is defined
- name: import dns database schema
command: "psql -U {{ pvc_dns_database_user }} -f /etc/postgresql/powerdns-schema.sql {{ pvc_dns_database_name }}"
become: yes
become_user: postgres
when: newinstance.changed and ansible_local.host_id == '1'