From 7cd34512d850fce57bdf1dcfb3f61d5315baf639 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Thu, 11 Jan 2018 11:15:20 +0000 Subject: [PATCH 1/3] When using synctl with workers, don't start the main synapse automatically --- CHANGES.rst | 7 +++++++ synapse/app/synctl.py | 34 ++++++++++++++++++++++++++-------- 2 files changed, 33 insertions(+), 8 deletions(-) diff --git a/CHANGES.rst b/CHANGES.rst index dcf9adc95..24e4e7a38 100644 --- a/CHANGES.rst +++ b/CHANGES.rst @@ -1,3 +1,10 @@ +Unreleased +========== + +synctl no longer starts the main synapse when using ``-a`` option with workers. +A new worker file should be added with ``worker_app: synapse.app.homeserver`` + + Changes in synapse v0.26.0 (2018-01-05) ======================================= diff --git a/synapse/app/synctl.py b/synapse/app/synctl.py index 3bd7ef7bb..049956746 100755 --- a/synapse/app/synctl.py +++ b/synapse/app/synctl.py @@ -184,6 +184,9 @@ def main(): worker_configfiles.append(worker_configfile) if options.all_processes: + # To start the main synapse with -a you need to add a worker file + # with worker_app == "synapse.app.homeserver" + start_stop_synapse = False worker_configdir = options.all_processes if not os.path.isdir(worker_configdir): write( @@ -200,14 +203,29 @@ def main(): with open(worker_configfile) as stream: worker_config = yaml.load(stream) worker_app = worker_config["worker_app"] - worker_pidfile = worker_config["worker_pid_file"] - worker_daemonize = worker_config["worker_daemonize"] - assert worker_daemonize, "In config %r: expected '%s' to be True" % ( - worker_configfile, "worker_daemonize") - worker_cache_factor = worker_config.get("synctl_cache_factor") - workers.append(Worker( - worker_app, worker_configfile, worker_pidfile, worker_cache_factor, - )) + if worker_app == "synapse.app.homeserver": + # We need to special case all of this to pick up options that may + # be set in the main config file or in this worker config file. + worker_pidfile = ( + worker_config.get("worker_pid_file") + or worker_config("pid_file") + or pidfile + ) + workers.append(Worker( + "synapse.app.homeserver", + worker_configfile, + worker_pidfile, + worker_config.get("synctl_cache_factor") or cache_factor, + )) + else: + worker_pidfile = worker_config["worker_pid_file"] + worker_daemonize = worker_config["worker_daemonize"] + assert worker_daemonize, "In config %r: expected '%s' to be True" % ( + worker_configfile, "worker_daemonize") + worker_cache_factor = worker_config.get("synctl_cache_factor") + workers.append(Worker( + worker_app, worker_configfile, worker_pidfile, worker_cache_factor, + )) action = options.action From f68e4cf690df9bbc70540804fd8cc590d40c2149 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Fri, 12 Jan 2018 10:11:12 +0000 Subject: [PATCH 2/3] Refactor --- synapse/app/synctl.py | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) diff --git a/synapse/app/synctl.py b/synapse/app/synctl.py index 049956746..4bd8f735f 100755 --- a/synapse/app/synctl.py +++ b/synapse/app/synctl.py @@ -211,21 +211,16 @@ def main(): or worker_config("pid_file") or pidfile ) - workers.append(Worker( - "synapse.app.homeserver", - worker_configfile, - worker_pidfile, - worker_config.get("synctl_cache_factor") or cache_factor, - )) + worker_cache_factor = worker_config.get("synctl_cache_factor") or cache_factor else: worker_pidfile = worker_config["worker_pid_file"] worker_daemonize = worker_config["worker_daemonize"] assert worker_daemonize, "In config %r: expected '%s' to be True" % ( worker_configfile, "worker_daemonize") worker_cache_factor = worker_config.get("synctl_cache_factor") - workers.append(Worker( - worker_app, worker_configfile, worker_pidfile, worker_cache_factor, - )) + workers.append(Worker( + worker_app, worker_configfile, worker_pidfile, worker_cache_factor, + )) action = options.action From f4d93ae424bec48f7d0d68d885942dc83d5780d7 Mon Sep 17 00:00:00 2001 From: Erik Johnston Date: Fri, 12 Jan 2018 10:39:27 +0000 Subject: [PATCH 3/3] Actually make it work --- synapse/app/synctl.py | 12 ++++++++++-- synapse/config/workers.py | 5 +++++ 2 files changed, 15 insertions(+), 2 deletions(-) diff --git a/synapse/app/synctl.py b/synapse/app/synctl.py index 4bd8f735f..0f0ddfa78 100755 --- a/synapse/app/synctl.py +++ b/synapse/app/synctl.py @@ -207,11 +207,19 @@ def main(): # We need to special case all of this to pick up options that may # be set in the main config file or in this worker config file. worker_pidfile = ( - worker_config.get("worker_pid_file") - or worker_config("pid_file") + worker_config.get("pid_file") or pidfile ) worker_cache_factor = worker_config.get("synctl_cache_factor") or cache_factor + daemonize = worker_config.get("daemonize") or config.get("daemonize") + assert daemonize, "Main process must have daemonize set to true" + + # The master process doesn't support using worker_* config. + for key in worker_config: + if key == "worker_app": # But we allow worker_app + continue + assert not key.startswith("worker_"), \ + "Main process cannot use worker_* config" else: worker_pidfile = worker_config["worker_pid_file"] worker_daemonize = worker_config["worker_daemonize"] diff --git a/synapse/config/workers.py b/synapse/config/workers.py index c5a5a8919..4b6884918 100644 --- a/synapse/config/workers.py +++ b/synapse/config/workers.py @@ -23,6 +23,11 @@ class WorkerConfig(Config): def read_config(self, config): self.worker_app = config.get("worker_app") + + # Canonicalise worker_app so that master always has None + if self.worker_app == "synapse.app.homeserver": + self.worker_app = None + self.worker_listeners = config.get("worker_listeners") self.worker_daemonize = config.get("worker_daemonize") self.worker_pid_file = config.get("worker_pid_file")