matrix-docker-ansible-deploy/roles/matrix-postgres/tasks/validate_config.yml
Slavi Pantaleev c10182e5a6 Make roles more independent of one another
With this change, the following roles are now only dependent
on the minimal `matrix-base` role:
- `matrix-corporal`
- `matrix-coturn`
- `matrix-mailer`
- `matrix-mxisd`
- `matrix-postgres`
- `matrix-riot-web`
- `matrix-synapse`

The `matrix-nginx-proxy` role still does too much and remains
dependent on the others.

Wiring up the various (now-independent) roles happens
via a glue variables file (`group_vars/matrix-servers`).
It's triggered for all hosts in the `matrix-servers` group.

According to Ansible's rules of priority, we have the following
chain of inclusion/overriding now:
- role defaults (mostly empty or good for independent usage)
- playbook glue variables (`group_vars/matrix-servers`)
- inventory host variables (`inventory/host_vars/matrix.<your-domain>`)

All roles default to enabling their main component
(e.g. `matrix_mxisd_enabled: true`, `matrix_riot_web_enabled: true`).
Reasoning: if a role is included in a playbook (especially separately,
in another playbook), it should "work" by default.

Our playbook disables some of those if they are not generally useful
(e.g. `matrix_corporal_enabled: false`).
2019-01-16 18:05:48 +02:00

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YAML

---
- name: (Deprecation) Warn about matrix_postgres_use_external usage
fail:
msg: >
The `matrix_postgres_use_external` variable defined in your configuration is not used by this playbook anymore!
You'll need to adapt to the new way of using an external Postgres server.
It's a combination of `matrix_postgres_enabled: false` and specifying Postgres connection
details in a few `matrix_synapse_database_` variables.
See the "Using an external PostgreSQL server (optional)" documentation page.
when: "'matrix_postgres_use_external' in vars"
- name: Fail if required Postgres settings not defined
fail:
msg: >
You need to define a required configuration setting (`{{ item }}`) for using mxisd.
when: "vars[item] == ''"
with_items:
- "matrix_postgres_connection_hostname"
- "matrix_postgres_connection_username"
- "matrix_postgres_connection_password"
- "matrix_postgres_db_name"