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https://github.com/ClickHouse/ClickHouse.git
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68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
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import logging
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import os
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import time
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# Starts simple HTTP servers written in Python.
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# Parameters:
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# `script_dir` contains a path to the directory containing server scripts.
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# `mocks` is a list of tuples (server_script, container_name, port), where
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# `server_script` is a name of a python file inside `script_dir`,
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# `container_name` is usually "resolver" (see docker/test/integration/resolver)
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def start_mock_servers(cluster, script_dir, mocks, timeout=100):
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server_names = [mock[0] for mock in mocks]
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server_names_with_desc = (
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f"{'server' if len(server_names) == 1 else 'servers'} {','.join(server_names)}"
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)
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logging.info(f"Starting mock {server_names_with_desc}")
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start_time = time.time()
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mocks_to_check = {}
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for server_name, container, port in mocks:
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filepath = os.path.join(script_dir, server_name)
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container_id = cluster.get_container_id(container)
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mocks_to_check[server_name] = (container_id, port)
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cluster.copy_file_to_container(
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container_id,
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filepath,
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server_name,
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)
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cluster.exec_in_container(
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container_id,
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["python", server_name, str(port)],
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detach=True,
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)
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# Wait for the server to start.
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attempt = 1
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while mocks_to_check:
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for server_name in list(mocks_to_check.keys()):
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container_id, port = mocks_to_check[server_name]
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ping_response = cluster.exec_in_container(
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container_id,
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["curl", "-s", f"http://localhost:{port}/"],
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nothrow=True,
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)
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if ping_response == "OK":
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logging.debug(
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f"{server_name} answered {ping_response} on attempt {attempt}"
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)
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del mocks_to_check[server_name]
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elif time.time() - start_time > timeout:
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assert (
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ping_response == "OK"
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), 'Expected "OK", but got "{}" from {}'.format(
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ping_response, server_name
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)
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if mocks_to_check:
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time.sleep(1)
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attempt += 1
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logging.info(f"Mock {server_names_with_desc} started")
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