diff options
| -rw-r--r-- | changelog.d/5567.feature | 1 | ||||
| -rw-r--r-- | docker/README.md | 16 | ||||
| -rw-r--r-- | docker/conf/homeserver.yaml | 2 | ||||
| -rwxr-xr-x | docker/start.py | 56 |
4 files changed, 58 insertions, 17 deletions
diff --git a/changelog.d/5567.feature b/changelog.d/5567.feature new file mode 100644 index 0000000000..85380bc517 --- /dev/null +++ b/changelog.d/5567.feature @@ -0,0 +1 @@ +Update Docker image to deprecate the use of environment variables for configuration, and make the use of a static configuration the default. diff --git a/docker/README.md b/docker/README.md index 7f7d27ed33..b62417c281 100644 --- a/docker/README.md +++ b/docker/README.md @@ -112,3 +112,19 @@ For backwards-compatibility only, the docker image supports creating a dynamic configuration file based on environment variables. This is now deprecated, but is enabled when the `SYNAPSE_SERVER_NAME` variable is set (and `generate` is not given). + +To migrate from a dynamic configuration file to a static one, run the docker +container once with the environment variables set, and `migrate_config` +commandline option. For example: + +``` +docker run -it --rm \ + --mount type=volume,src=synapse-data,dst=/data \ + -e SYNAPSE_SERVER_NAME=my.matrix.host \ + -e SYNAPSE_REPORT_STATS=yes \ + matrixdotorg/synapse:latest migrate_config +``` + +This will generate the same configuration file as the legacy mode used, but +will store it in `/data/homeserver.yaml` instead of a temporary location. You +can then use it as shown above at [Running synapse](#running-synapse). diff --git a/docker/conf/homeserver.yaml b/docker/conf/homeserver.yaml index babd5bef9e..b0267b1c60 100644 --- a/docker/conf/homeserver.yaml +++ b/docker/conf/homeserver.yaml @@ -21,7 +21,7 @@ server_name: "{{ SYNAPSE_SERVER_NAME }}" pid_file: /homeserver.pid web_client: False soft_file_limit: 0 -log_config: "/compiled/log.config" +log_config: "{{ SYNAPSE_LOG_CONFIG }}" ## Ports ## diff --git a/docker/start.py b/docker/start.py index 2a13308dae..40a861f200 100755 --- a/docker/start.py +++ b/docker/start.py @@ -34,22 +34,21 @@ def convert(src, dst, environ): outfile.write(rendered) -def generate_config_from_template(environ, ownership): +def generate_config_from_template(config_dir, config_path, environ, ownership): """Generate a homeserver.yaml from environment variables Args: + config_dir (str): where to put generated config files + config_path (str): where to put the main config file environ (dict): environment dictionary ownership (str): "<user>:<group>" string which will be used to set ownership of the generated configs - - Returns: - path to generated config file """ for v in ("SYNAPSE_SERVER_NAME", "SYNAPSE_REPORT_STATS"): if v not in environ: error( - "Environment variable '%s' is mandatory when generating a config " - "file on-the-fly." % (v,) + "Environment variable '%s' is mandatory when generating a config file." + % (v,) ) # populate some params from data files (if they exist, else create new ones) @@ -78,10 +77,8 @@ def generate_config_from_template(environ, ownership): environ[secret] = value environ["SYNAPSE_APPSERVICES"] = glob.glob("/data/appservices/*.yaml") - if not os.path.exists("/compiled"): - os.mkdir("/compiled") - - config_path = "/compiled/homeserver.yaml" + if not os.path.exists(config_dir): + os.mkdir(config_dir) # Convert SYNAPSE_NO_TLS to boolean if exists if "SYNAPSE_NO_TLS" in environ: @@ -98,8 +95,16 @@ def generate_config_from_template(environ, ownership): + '" unrecognized; exiting.' ) + if "SYNAPSE_LOG_CONFIG" not in environ: + environ["SYNAPSE_LOG_CONFIG"] = config_dir + "/log.config" + + log("Generating synapse config file " + config_path) convert("/conf/homeserver.yaml", config_path, environ) - convert("/conf/log.config", "/compiled/log.config", environ) + + log_config_file = environ["SYNAPSE_LOG_CONFIG"] + log("Generating log config file " + log_config_file) + convert("/conf/log.config", log_config_file, environ) + subprocess.check_output(["chown", "-R", ownership, "/data"]) # Hopefully we already have a signing key, but generate one if not. @@ -114,13 +119,11 @@ def generate_config_from_template(environ, ownership): config_path, # tell synapse to put generated keys in /data rather than /compiled "--keys-directory", - "/data", + config_dir, "--generate-keys", ] ) - return config_path - def run_generate_config(environ, ownership): """Run synapse with a --generate-config param to generate a template config file @@ -178,15 +181,36 @@ def main(args, environ): if mode == "generate": return run_generate_config(environ, ownership) + if mode == "migrate_config": + # generate a config based on environment vars. + config_dir = environ.get("SYNAPSE_CONFIG_DIR", "/data") + config_path = environ.get( + "SYNAPSE_CONFIG_PATH", config_dir + "/homeserver.yaml" + ) + return generate_config_from_template( + config_dir, config_path, environ, ownership + ) + + if mode is not None: + error("Unknown execution mode '%s'" % (mode,)) + if "SYNAPSE_SERVER_NAME" in environ: # backwards-compatibility generate-a-config-on-the-fly mode if "SYNAPSE_CONFIG_PATH" in environ: error( "SYNAPSE_SERVER_NAME and SYNAPSE_CONFIG_PATH are mutually exclusive " - "except in `generate` mode." + "except in `generate` or `migrate_config` mode." ) - config_path = generate_config_from_template(environ, ownership) + config_path = "/compiled/homeserver.yaml" + log( + "Generating config file '%s' on-the-fly from environment variables.\n" + "Note that this mode is deprecated. You can migrate to a static config\n" + "file by running with 'migrate_config'. See the README for more details." + % (config_path,) + ) + + generate_config_from_template("/compiled", config_path, environ, ownership) else: config_dir = environ.get("SYNAPSE_CONFIG_DIR", "/data") config_path = environ.get( |