nixos/nextcloud: fix postgresql/redis test

nixos/tests/nextcloud/with-postgresql-and-redis.nix

@@ -27,7 +27,7 @@ in {
           dbtype = "pgsql";
           dbname = "nextcloud";
           dbuser = "nextcloud";
-          dbhost = "/run/postgresql";
+          dbhost = "localhost:5432";
           inherit adminuser;
           adminpassFile = toString (pkgs.writeText "admin-pass-file" ''
             ${adminpass}
@@ -36,49 +36,16 @@ in {
       };
 
       services.redis = {
-        unixSocket = "/var/run/redis/redis.sock";
         enable = true;
-        extraConfig = ''
-          unixsocketperm 770
-        '';
-      };
-
-      systemd.services.redis = {
-        preStart = ''
-          mkdir -p /var/run/redis
-          chown ${config.services.redis.user}:${config.services.nginx.group} /var/run/redis
-        '';
-        serviceConfig.PermissionsStartOnly = true;
       };
 
       systemd.services.nextcloud-setup= {
         requires = ["postgresql.service"];
         after = [
           "postgresql.service"
-          "chown-redis-socket.service"
         ];
       };
 
-      # At the time of writing, redis creates its socket with the "nobody"
-      # group.  I figure this is slightly less bad than making the socket world
-      # readable.
-      systemd.services.chown-redis-socket = {
-        enable = true;
-        script = ''
-          until ${pkgs.redis}/bin/redis-cli ping; do
-            echo "waiting for redis..."
-            sleep 1
-          done
-          chown ${config.services.redis.user}:${config.services.nginx.group} /var/run/redis/redis.sock
-        '';
-        after = [ "redis.service" ];
-        requires = [ "redis.service" ];
-        wantedBy = [ "redis.service" ];
-        serviceConfig = {
-          Type = "oneshot";
-        };
-      };
-
       services.postgresql = {
         enable = true;
         ensureDatabases = [ "nextcloud" ];
@@ -94,7 +61,7 @@ in {
   testScript = let
     configureRedis = pkgs.writeScript "configure-redis" ''
       #!${pkgs.stdenv.shell}
-      nextcloud-occ config:system:set redis 'host' --value '/var/run/redis/redis.sock' --type string
+      nextcloud-occ config:system:set redis 'host' --value 'localhost:6379' --type string
       nextcloud-occ config:system:set redis 'port' --value 0 --type integer
       nextcloud-occ config:system:set memcache.local --value '\OC\Memcache\Redis' --type string
       nextcloud-occ config:system:set memcache.locking --value '\OC\Memcache\Redis' --type string