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Create healthcheck script for synapse-workers container (#11429)
The intent is to iterate through all the worker ports and only report healthy when all are healthy, starting with the main process.
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4 changed files with 23 additions and 0 deletions
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@ -474,10 +474,16 @@ def generate_worker_files(environ, config_path: str, data_dir: str):
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# Determine the load-balancing upstreams to configure
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nginx_upstream_config = ""
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# At the same time, prepare a list of internal endpoints to healthcheck
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# starting with the main process which exists even if no workers do.
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healthcheck_urls = ["http://localhost:8080/health"]
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for upstream_worker_type, upstream_worker_ports in nginx_upstreams.items():
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body = ""
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for port in upstream_worker_ports:
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body += " server localhost:%d;\n" % (port,)
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healthcheck_urls.append("http://localhost:%d/health" % (port,))
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# Add to the list of configured upstreams
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nginx_upstream_config += NGINX_UPSTREAM_CONFIG_BLOCK.format(
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@ -510,6 +516,13 @@ def generate_worker_files(environ, config_path: str, data_dir: str):
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worker_config=supervisord_config,
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)
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# healthcheck config
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convert(
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"/conf/healthcheck.sh.j2",
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"/healthcheck.sh",
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healthcheck_urls=healthcheck_urls,
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)
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# Ensure the logging directory exists
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log_dir = data_dir + "/logs"
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if not os.path.exists(log_dir):
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