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Add recipe to set up PostgreSQL replication, rewrite kosmos-postgresql cookbook #163

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raucao merged 17 commits from feature/160-postgres_replication into master 2020-05-14 13:10:37 +00:00
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site-cookbooks/kosmos-postgresql/README.md
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@ -36,6 +36,14 @@ to set up replication.
#### Caveat
[`firewall_rules`](https://github.com/chef-cookbooks/firewall/issues/134) and
[`postgresql_access`](https://github.com/sous-chefs/postgresql/issues/648) need
to be declared in recipes, not resources because of the way custom resources
work currently in Chef
[`postgresql_access`](https://github.com/sous-chefs/postgresql/issues/648) are
declared in recipes, not resources because of the way custom resources
work currently in Chef. See the `default.rb` and `replica.rb` recipes.
raucao commented 2020-05-12 09:08:32 +00:00
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Which rules are needed? How are they declared? I believe this README would not answer these questions for someone trying to use it.

Which rules are needed? How are they declared? I believe this README would not answer these questions for someone trying to use it.
The primary gives access to the `replication` db to the `replication` user
connecting from a replica, and replicas to the primary. For more information
about PostgreSQL client authentication, see the
[official docs](https://www.postgresql.org/docs/12/auth-pg-hba-conf.html)
The primary opens up the PostgreSQL port (5432 TCP) to replicas, and replicas
to the primary.