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b9ce53e878
`synapse.config.__main__` has the possibility to read a config item. This can be used to conveniently also validate the config is valid before trying to start Synapse. The "read" command broke in https://github.com/matrix-org/synapse/pull/10916 as it now requires passing in "server.server_name" for example. Also made the read command optional so one can just call this with just the confirm file reference and get a "Config parses OK" if things are ok. Signed-off-by: Jason Robinson <jasonr@matrix.org> Co-authored-by: Brendan Abolivier <babolivier@matrix.org>
56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
# Copyright 2015, 2016 OpenMarket Ltd
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# Copyright 2021 The Matrix.org Foundation C.I.C.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import sys
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from synapse.config._base import ConfigError
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from synapse.config.homeserver import HomeServerConfig
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def main(args):
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action = args[1] if len(args) > 1 and args[1] == "read" else None
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# If we're reading a key in the config file, then `args[1]` will be `read` and `args[2]`
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# will be the key to read.
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# We'll want to rework this code if we want to support more actions than just `read`.
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load_config_args = args[3:] if action else args[1:]
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try:
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config = HomeServerConfig.load_config("", load_config_args)
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except ConfigError as e:
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sys.stderr.write("\n" + str(e) + "\n")
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sys.exit(1)
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print("Config parses OK!")
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if action == "read":
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key = args[2]
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key_parts = key.split(".")
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value = config
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try:
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while len(key_parts):
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value = getattr(value, key_parts[0])
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key_parts.pop(0)
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print(f"\n{key}: {value}")
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except AttributeError:
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print(
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f"\nNo '{key}' key could be found in the provided configuration file."
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)
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sys.exit(1)
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if __name__ == "__main__":
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main(sys.argv)
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