diff options
Diffstat (limited to 'synapse/config/workers.py')
| -rw-r--r-- | synapse/config/workers.py | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/synapse/config/workers.py b/synapse/config/workers.py index c80c338584..ed06b91a54 100644 --- a/synapse/config/workers.py +++ b/synapse/config/workers.py @@ -15,7 +15,7 @@ import attr -from ._base import Config +from ._base import Config, ConfigError @attr.s @@ -27,6 +27,17 @@ class InstanceLocationConfig: port = attr.ib(type=int) +@attr.s +class WriterLocations: + """Specifies the instances that write various streams. + + Attributes: + events: The instance that writes to the event and backfill streams. + """ + + events = attr.ib(default="master", type=str) + + class WorkerConfig(Config): """The workers are processes run separately to the main synapse process. They have their own pid_file and listener configuration. They use the @@ -83,11 +94,26 @@ class WorkerConfig(Config): bind_addresses.append("") # A map from instance name to host/port of their HTTP replication endpoint. - instance_map = config.get("instance_map", {}) or {} + instance_map = config.get("instance_map") or {} self.instance_map = { name: InstanceLocationConfig(**c) for name, c in instance_map.items() } + # Map from type of streams to source, c.f. WriterLocations. + writers = config.get("stream_writers") or {} + self.writers = WriterLocations(**writers) + + # Check that the configured writer for events also appears in + # `instance_map`. + if ( + self.writers.events != "master" + and self.writers.events not in self.instance_map + ): + raise ConfigError( + "Instance %r is configured to write events but does not appear in `instance_map` config." + % (self.writers.events,) + ) + def read_arguments(self, args): # We support a bunch of command line arguments that override options in # the config. A lot of these options have a worker_* prefix when running |