From 2def5ea0da4b8134384adcd48e1e312f2f7e65c9 Mon Sep 17 00:00:00 2001
From: Michael Kaye <1917473+michaelkaye@users.noreply.github.com>
Date: Thu, 19 Sep 2019 22:29:47 +0100
Subject: Docker: support SYNAPSE_WORKER envvar (#6058)

* Allow passing SYNAPSE_WORKER envvar

* changelog.d

* Document SYNAPSE_WORKER.

Attempting to imply that you don't need to change this default
unless you're in worker mode.

Also aware that there's a bigger problem of attempting to document
a complete working configuration of workers using docker, as we
currently only document to use `synctl` for worker mode, and synctl
doesn't work that way in docker.
---
 docker/start.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'docker/start.py')

diff --git a/docker/start.py b/docker/start.py
index 260f2d9943..e41ea20e70 100755
--- a/docker/start.py
+++ b/docker/start.py
@@ -182,6 +182,7 @@ def main(args, environ):
     mode = args[1] if len(args) > 1 else None
     desired_uid = int(environ.get("UID", "991"))
     desired_gid = int(environ.get("GID", "991"))
+    synapse_worker = environ.get("SYNAPSE_WORKER", "synapse.app.homeserver")
     if (desired_uid == os.getuid()) and (desired_gid == os.getgid()):
         ownership = None
     else:
@@ -245,7 +246,7 @@ def main(args, environ):
 
     log("Starting synapse with config file " + config_path)
 
-    args = ["python", "-m", "synapse.app.homeserver", "--config-path", config_path]
+    args = ["python", "-m", synapse_worker, "--config-path", config_path]
     if ownership is not None:
         args = ["su-exec", ownership] + args
         os.execv("/sbin/su-exec", args)
-- 
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