all demo

ansible/playbook/pg_dump/README.md

@@ -0,0 +1,39 @@
+# Ansible Database Backup
+
+[![Use community.postgresql.postgresql_db](https://docs.ansible.com/ansible/latest/collections/community/postgresql/postgresql_db_module.html#ansible-collections-community-postgresql-postgresql-db-module)](https://docs.ansible.com/ansible/latest/collections/community/postgresql/postgresql_db_module.html#ansible-collections-community-postgresql-postgresql-db-module)
+
+Backup database from remote postgresql for {{store}} days.
+
+## Install
+
+```
+ansible-galaxy collection install community.postgresql
+```
+## How to dump 
+```
+ansible-playbook sd_pro_dump.yml -l sd-pgsql9 --extra-vars "dbname=sd4_itsmcorp_devel store=7 arg=--format=custom"
+```
+```
+Avalable env:
+store: default('1') - how long do you need to store current backup
+target: default('/opt/back/internal/postgres/') - where place put the archive
+arg: default('--exclude-table=tbl_event --format=custom') - pg_dump argument
+```
+
+#### PostgreSQL
+
+[Official documentaiton.](https://www.postgresql.org/docs/current/static/app-pgdump.html)
+
+Example:
+
+```
+pg_dump --format "custom" --file "/opt/back/internal/postgres/{{ dbname }}.bak" {{ dbname }}
+```
+
+## Supported Databases
+
+For now supports:
+* PostgreSQL
+
+## Supported OS
+Linux