diff --git a/CHANGELOG.md b/CHANGELOG.md index 82d66157..0cdddd27 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -30,20 +30,22 @@ By default, the playbook runs an integrated Postgres server for you in a contain To migrate to the new setup, expect a few minutes of downtime, while you follow these steps: -1. Generate a strong password to be used for your superuser Postgres user (called `matrix`). You can use `pwgen -s 64 1` to generate it, or some other tool. +1. We believe the steps below are safe and you won't encounter any data loss, but consider [making a Postgres backup](docs/maintenance-postgres.md#backing-up-postgresql) anyway. If you've never backed up Postgres, now would be a good time to try it. -2. Update your playbook's `inventory/host_vars/matrix.DOMAIN/vars.yml` file, adding a line like this: +2. Generate a strong password to be used for your superuser Postgres user (called `matrix`). You can use `pwgen -s 64 1` to generate it, or some other tool. + +3. Update your playbook's `inventory/host_vars/matrix.DOMAIN/vars.yml` file, adding a line like this: ```yaml matrix_postgres_connection_password: YOUR_POSTGRES_PASSWORD_HERE ``` .. where `YOUR_POSTGRES_PASSWORD_HERE` is to be replaced with the password you generated during step #1. -3. Stop all services: `ansible-playbook -i inventory/hosts setup.yml --tags=stop` -4. Log in to the server via SSH. The next commands will be performed there. -5. Start the Postgres database server: `systemctl start matrix-postgres` -6. Open a Postgres shell: `/usr/local/bin/matrix-postgres-cli` -7. Execute the following query, while making sure to **change the password inside**: +4. Stop all services: `ansible-playbook -i inventory/hosts setup.yml --tags=stop` +5. Log in to the server via SSH. The next commands will be performed there. +6. Start the Postgres database server: `systemctl start matrix-postgres` +7. Open a Postgres shell: `/usr/local/bin/matrix-postgres-cli` +8. Execute the following query, while making sure to **change the password inside**: ```sql CREATE ROLE matrix LOGIN SUPERUSER PASSWORD 'YOUR_POSTGRES_PASSWORD_HERE'; @@ -51,7 +53,7 @@ CREATE ROLE matrix LOGIN SUPERUSER PASSWORD 'YOUR_POSTGRES_PASSWORD_HERE'; .. where `YOUR_POSTGRES_PASSWORD_HERE` is to be replaced with the password you generated during step #1. -8. Execute the following queries as you see them (no modifications necessary, so you can just paste them): +9. Execute the following queries as you see them (no modifications necessary, so you can just paste them): ```sql CREATE DATABASE matrix OWNER matrix; @@ -71,7 +73,7 @@ ALTER ROLE synapse NOSUPERUSER NOCREATEDB NOCREATEROLE; You may need to press *Enter* after pasting the lines above. -1. Re-run the playbook normally: `ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start` +10. Re-run the playbook normally: `ansible-playbook -i inventory/hosts setup.yml --tags=setup-all,start` ### What do I do if I'm using an external Postgres server?