From d5de1e8352fb90f15cc7264cd5a08b3324ba6d5c Mon Sep 17 00:00:00 2001 From: Slavi Pantaleev Date: Tue, 8 Mar 2022 09:28:48 +0200 Subject: [PATCH] Document that using an external Postgres server has serious downsides Related to: - https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/1682 - https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/1679 --- docs/configuring-playbook-external-postgres.md | 8 +++++++- roles/matrix-postgres/defaults/main.yml | 3 +++ 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/docs/configuring-playbook-external-postgres.md b/docs/configuring-playbook-external-postgres.md index 0becc8ff5..eef3cbace 100644 --- a/docs/configuring-playbook-external-postgres.md +++ b/docs/configuring-playbook-external-postgres.md @@ -5,7 +5,9 @@ If that's alright, you can skip this. If you'd like to use an external PostgreSQL server that you manage, you can edit your configuration file (`inventory/host_vars/matrix./vars.yml`). -It should be something like this: +**NOTE**: using **an external Postgres server is currently [not very seamless](https://github.com/spantaleev/matrix-docker-ansible-deploy/issues/1682#issuecomment-1061461683) when it comes to enabling various other playbook services** - you will need to create a new database/credentials for each service and to point each service to its corresponding database using custom `vars.yml` configuration. **For the best experience with the playbook, stick to using the integrated Postgres server**. + +If you'd like to use an external Postgres server, use a custom `vars.yml` configuration like this: ```yaml matrix_postgres_enabled: false @@ -15,6 +17,10 @@ matrix_synapse_database_host: "your-postgres-server-hostname" matrix_synapse_database_user: "your-postgres-server-username" matrix_synapse_database_password: "your-postgres-server-password" matrix_synapse_database_database: "your-postgres-server-database-name" + +# Rewire any other service (each `matrix-*` role) you may wish to use to use your external Postgres server. +# Each service expects to have its own dedicated database on the Postgres server +# and uses its own variable names (see `roles/matrix-*/defaults/main.yml) for configuring Postgres connectivity. ``` The database (as specified in `matrix_synapse_database_database`) must exist and be accessible with the given credentials. diff --git a/roles/matrix-postgres/defaults/main.yml b/roles/matrix-postgres/defaults/main.yml index 76529a82d..8593bb83b 100644 --- a/roles/matrix-postgres/defaults/main.yml +++ b/roles/matrix-postgres/defaults/main.yml @@ -1,5 +1,8 @@ --- +# Controls if the Postgres server managed by the playbook is enabled. +# You can turn it off and use an external Postgres server by setting this to `false`. +# Doing this has various downsides. See `docs/configuring-playbook-external-postgres.md` to learn more. matrix_postgres_enabled: true matrix_postgres_connection_hostname: "matrix-postgres"