forked from TrueCloudLab/frostfs-testlib
50 lines
1.8 KiB
Python
50 lines
1.8 KiB
Python
from concurrent.futures import ThreadPoolExecutor
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from frostfs_testlib.reporter import get_reporter
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from frostfs_testlib.storage.dataclasses.node_base import NodeBase
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reporter = get_reporter()
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class FileKeeper:
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"""This class is responsible to make backup copy of modified file and restore when required (mostly after the test)"""
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files_to_restore: dict[NodeBase, list[str]] = {}
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@reporter.step_deco("Adding {file_to_restore} from node {node} to restore list")
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def add(self, node: NodeBase, file_to_restore: str):
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if node in self.files_to_restore and file_to_restore in self.files_to_restore[node]:
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# Already added
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return
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if node not in self.files_to_restore:
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self.files_to_restore[node] = []
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if file_to_restore not in self.files_to_restore[node]:
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self.files_to_restore[node].append(file_to_restore)
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shell = node.host.get_shell()
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shell.exec(f"cp {file_to_restore} {file_to_restore}.bak")
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@reporter.step_deco("Restore files")
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def restore_files(self):
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nodes = self.files_to_restore.keys()
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if not nodes:
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return
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with ThreadPoolExecutor(max_workers=len(nodes)) as executor:
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results = executor.map(self._restore_files_on_node, nodes)
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self.files_to_restore.clear()
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for _ in results:
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# Iterate through results for exception check if any
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pass
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@reporter.step_deco("Restore files on node {node}")
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def _restore_files_on_node(self, node: NodeBase):
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shell = node.host.get_shell()
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for file_to_restore in self.files_to_restore[node]:
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with reporter.step(f"Restore file {file_to_restore} on node {node}"):
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shell.exec(f"cp {file_to_restore}.bak {file_to_restore}")
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shell.exec(f"rm {file_to_restore}.bak")
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