rename 'uninsane' machine -> 'servo'

machines/servo/services/postgres.nix

@@ -0,0 +1,30 @@
+{ ... }:
+
+{
+  services.postgresql.enable = true;
+  services.postgresql.dataDir = "/opt/postgresql/13";
+  # XXX colin: for a proper deploy, we'd want to include something for Pleroma here too.
+  # services.postgresql.initialScript = pkgs.writeText "synapse-init.sql" ''
+  #   CREATE ROLE "matrix-synapse" WITH LOGIN PASSWORD '<password goes here>';
+  #   CREATE DATABASE "matrix-synapse" WITH OWNER "matrix-synapse"
+  #     TEMPLATE template0
+  #     ENCODING = "UTF8"
+  #     LC_COLLATE = "C"
+  #     LC_CTYPE = "C";
+  # '';
+
+  # daily backups to /var/backup
+  services.postgresqlBackup.enable = true;
+
+  # common admin operations:
+  #   sudo systemctl start postgresql
+  #   sudo -u postgres psql
+  #   > \l   # lists all databases
+  #   > \du  # lists all roles
+  #   > \c pleroma  # connects to database by name
+  #   > \d   # shows all tables
+  #   > \q   # exits psql
+  # dump/restore (-F t = tar):
+  #   sudo -u postgres pg_dump -F t pleroma > /backup/pleroma-db.tar
+  #   sudo -u postgres -g postgres pg_restore -d pleroma /backup/pleroma-db.tar
+}