diff --git a/changelog.d/5563.bugfix b/changelog.d/5563.bugfix
new file mode 100644
index 0000000000..09c4381a23
--- /dev/null
+++ b/changelog.d/5563.bugfix
@@ -0,0 +1 @@
+Docker: Use a sensible location for data files when generating a config file.
\ No newline at end of file
diff --git a/docker/README.md b/docker/README.md
index 5a596eecb9..5c85c538a8 100644
--- a/docker/README.md
+++ b/docker/README.md
@@ -179,3 +179,14 @@ docker run -d --name synapse \
-e SYNAPSE_CONFIG_PATH=/data/homeserver.yaml \
matrixdotorg/synapse:latest
```
+
+The following environment variables are supported in this mode:
+
+* `SYNAPSE_SERVER_NAME` (mandatory): the server public hostname.
+* `SYNAPSE_REPORT_STATS` (mandatory, `yes` or `no`): whether to enable
+ anonymous statistics reporting.
+* `SYNAPSE_CONFIG_PATH` (mandatory): path to the file to be generated.
+* `SYNAPSE_DATA_DIR`: where the generated config will put persistent data
+ such as the datatase and media store. Defaults to `/data`.
+* `UID`, `GID`: the user id and group id to use for creating the data
+ directories. Defaults to `991`, `991`.
diff --git a/docker/start.py b/docker/start.py
index 59527a5883..1e6acb464c 100755
--- a/docker/start.py
+++ b/docker/start.py
@@ -122,11 +122,12 @@ def generate_config_from_template(environ, ownership):
return config_path
-def run_generate_config(environ):
+def run_generate_config(environ, ownership):
"""Run synapse with a --generate-config param to generate a template config file
Args:
- environ (dict): environment dictionary
+ environ (dict): env var dict
+ ownership (str): "userid:groupid" arg for chmod
Never returns.
"""
@@ -134,6 +135,11 @@ def run_generate_config(environ):
if v not in environ:
error("Environment variable '%s' is mandatory in `generate` mode." % (v,))
+ data_dir = environ.get("SYNAPSE_DATA_DIR", "/data")
+
+ # make sure that synapse has perms to write to the data dir.
+ subprocess.check_output(["chown", ownership, data_dir])
+
args = [
"python",
"-m",
@@ -144,8 +150,11 @@ def run_generate_config(environ):
environ["SYNAPSE_REPORT_STATS"],
"--config-path",
environ["SYNAPSE_CONFIG_PATH"],
+ "--data-directory",
+ data_dir,
"--generate-config",
]
+ # log("running %s" % (args, ))
os.execv("/usr/local/bin/python", args)
@@ -153,9 +162,9 @@ def main(args, environ):
mode = args[1] if len(args) > 1 else None
ownership = "{}:{}".format(environ.get("UID", 991), environ.get("GID", 991))
- # In generate mode, generate a configuration, missing keys, then exit
+ # In generate mode, generate a configuration and missing keys, then exit
if mode == "generate":
- return run_generate_config(environ)
+ return run_generate_config(environ, ownership)
# In normal mode, generate missing keys if any, then run synapse
if "SYNAPSE_CONFIG_PATH" in environ:
|