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https://github.com/ClickHouse/ClickHouse.git
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66 lines
2.4 KiB
Python
66 lines
2.4 KiB
Python
import os
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class ConfigManager:
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"""Allows to temporarily add configuration files to the "config.d" or "users.d" directories.
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Can act as a context manager:
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with ConfigManager() as cm:
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cm.add_main_config("configs/test_specific_config.xml") # copy "configs/test_specific_config.xml" to "/etc/clickhouse-server/config.d"
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...
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# "/etc/clickhouse-server/config.d/test_specific_config.xml" is removed automatically
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"""
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def __init__(self):
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self.__added_configs = []
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def add_main_config(self, node_or_nodes, local_path, reload_config=True):
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"""Temporarily adds a configuration file to the "config.d" directory."""
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self.__add_config(
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node_or_nodes, local_path, dest_dir="config.d", reload_config=reload_config
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)
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def add_user_config(self, node_or_nodes, local_path, reload_config=True):
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"""Temporarily adds a configuration file to the "users.d" directory."""
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self.__add_config(
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node_or_nodes, local_path, dest_dir="users.d", reload_config=reload_config
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)
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def reset(self, reload_config=True):
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"""Removes all configuration files added by this ConfigManager."""
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if not self.__added_configs:
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return
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for node, dest_path in self.__added_configs:
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node.remove_file_from_container(dest_path)
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if reload_config:
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for node, _ in self.__added_configs:
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node.query("SYSTEM RELOAD CONFIG")
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self.__added_configs = []
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def __add_config(self, node_or_nodes, local_path, dest_dir, reload_config):
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nodes_to_add_config = (
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node_or_nodes if (type(node_or_nodes) is list) else [node_or_nodes]
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)
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for node in nodes_to_add_config:
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src_path = os.path.join(node.cluster.base_dir, local_path)
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dest_path = os.path.join(
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"/etc/clickhouse-server", dest_dir, os.path.basename(local_path)
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)
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node.copy_file_to_container(src_path, dest_path)
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if reload_config:
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for node in nodes_to_add_config:
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node.query("SYSTEM RELOAD CONFIG")
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for node in nodes_to_add_config:
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dest_path = os.path.join(
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"/etc/clickhouse-server", dest_dir, os.path.basename(local_path)
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)
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self.__added_configs.append((node, dest_path))
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def __enter__(self):
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return self
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def __exit__(self, type, value, traceback):
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self.reset()
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