forked from MirrorHub/synapse
Refactor the start script to better handle mandatory parameters
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@ -90,7 +90,7 @@ Otherwise, a dynamic configuration file will be used. The following environment
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variables are available for configuration:
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* ``SYNAPSE_SERVER_NAME`` (mandatory), the current server public hostname.
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* ``SYNAPSE_REPORT_STATS``, (mandatory, ``yes`` or ``not``), enable anonymous
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* ``SYNAPSE_REPORT_STATS``, (mandatory, ``yes`` or ``no``), enable anonymous
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statistics reporting back to the Matrix project which helps us to get funding.
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* ``SYNAPSE_NO_TLS``, set this variable to disable TLS in Synapse (use this if
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you run your own TLS-capable reverse proxy).
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@ -13,6 +13,7 @@ services:
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# See the readme for a full documentation of the environment settings
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environment:
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- SYNAPSE_SERVER_NAME=my.matrix.host
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- SYNAPSE_REPORT_STATS=no
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- SYNAPSE_ENABLE_REGISTRATION=yes
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volumes:
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# You may either store all the files in a local folder
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@ -6,42 +6,52 @@ import sys
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import subprocess
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import glob
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# Utility functions
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convert = lambda src, dst, environ: open(dst, "w").write(jinja2.Template(open(src).read()).render(**environ))
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def check_arguments(environ, args):
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for argument in args:
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if argument not in environ:
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print("Environment variable %s is mandatory, exiting." % argument)
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sys.exit(2)
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def generate_secrets(environ, secrets):
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for secret in secrets:
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if secret not in environ:
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print("Generating a random secret for {}".format(secret))
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environ[secret] = os.urandom(32).encode("hex")
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# Prepare the configuration
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mode = sys.argv[1] if len(sys.argv) > 1 else None
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environ = os.environ.copy()
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# Check mandatory parameters and build the base start arguments
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if "SYNAPSE_SERVER_NAME" not in environ:
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print("Environment variable SYNAPSE_SERVER_NAME is mandatory, exiting.")
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sys.exit(2)
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ownership = "{}:{}".format(environ.get("UID", 991), environ.get("GID", 991))
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args = ["python", "-m", "synapse.app.homeserver",
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"--server-name", environ.get("SYNAPSE_SERVER_NAME"),
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"--report-stats", environ.get("SYNAPSE_REPORT_STATS", "no"),
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"--config-path", environ.get("SYNAPSE_CONFIG_PATH", "/compiled/homeserver.yaml")]
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# Generate any missing shared secret
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for secret in ("SYNAPSE_REGISTRATION_SHARED_SECRET", "SYNAPSE_MACAROON_SECRET_KEY"):
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if secret not in environ:
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print("Generating a random secret for {}".format(secret))
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environ[secret] = os.urandom(32).encode("hex")
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# Load appservices configurations
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environ["SYNAPSE_APPSERVICES"] = glob.glob("/data/appservices/*.yaml")
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args = ["python", "-m", "synapse.app.homeserver"]
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# In generate mode, generate a configuration, missing keys, then exit
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if mode == "generate":
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os.execv("/usr/local/bin/python", args + ["--generate-config"])
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check_arguments(environ, ("SYNAPSE_SERVER_NAME", "SYNAPSE_REPORT_STATS", "SYNAPSE_CONFIG_PATH"))
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args += [
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"--server-name", environ["SYNAPSE_SERVER_NAME"],
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"--report-stats", environ["SYNAPSE_REPORT_STATS"],
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"--config-path", environ["SYNAPSE_CONFIG_PATH"],
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"--generate-config"
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]
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os.execv("/usr/local/bin/python", args)
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# In normal mode, generate missing keys if any, then run synapse
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else:
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# Parse the configuration file
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if "SYNAPSE_CONFIG_PATH" not in environ:
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if "SYNAPSE_CONFIG_PATH" in environ:
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args += ["--config-path", environ["SYNAPSE_CONFIG_PATH"]]
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else:
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check_arguments(environ, ("SYNAPSE_SERVER_NAME", "SYNAPSE_REPORT_STATS"))
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generate_secrets(environ, ("SYNAPSE_REGISTRATION_SHARED_SECRET", "SYNAPSE_MACAROON_SECRET_KEY"))
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environ["SYNAPSE_APPSERVICES"] = glob.glob("/data/appservices/*.yaml")
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if not os.path.exists("/compiled"): os.mkdir("/compiled")
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convert("/conf/homeserver.yaml", "/compiled/homeserver.yaml", environ)
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convert("/conf/log.config", "/compiled/%s.log.config" % environ.get("SYNAPSE_SERVER_NAME"), environ)
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convert("/conf/log.config", "/compiled/%s.log.config" % environ["SYNAPSE_SERVER_NAME"], environ)
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subprocess.check_output(["chown", "-R", ownership, "/data"])
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args += ["--config-path", "/compiled/homeserver.yaml"]
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# Generate missing keys and start synapse
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subprocess.check_output(args + ["--generate-keys"])
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subprocess.check_output(["chown", "-R", ownership, "/data"])
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os.execv("/sbin/su-exec", ["su-exec", ownership] + args)
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