forked from TrueCloudLab/frostfs-testcases
75 lines
2.6 KiB
Python
75 lines
2.6 KiB
Python
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#!/usr/bin/python3
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"""
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This module contains functions which are used for Large Object assemling:
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getting Last Object and split and getting Link Object. It is not enough to
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simply perform a "raw" HEAD request, as noted in the issue:
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https://github.com/nspcc-dev/neofs-node/issues/1304. Therefore, the reliable
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retrival of the aforementioned objects must be done this way: send direct
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"raw" HEAD request to the every Storage Node and return the desired OID on
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first non-null response.
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"""
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from common import NEOFS_NETMAP
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import neofs_verbs
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from robot.api.deco import keyword
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from robot.api import logger
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from robot.libraries.BuiltIn import BuiltIn
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ROBOT_AUTO_KEYWORDS = False
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@keyword('Get Link Object')
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def get_link_object(wallet: str, cid: str, oid: str):
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"""
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Args:
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wallet (str): path to the wallet on whose behalf the Storage Nodes
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are requested
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cid (str): Container ID which stores the Large Object
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oid (str): Large Object ID
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Returns:
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(str): Link Object ID
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When no Link Object ID is found after all Storage Nodes polling,
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the function throws a native robot error.
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"""
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for node in NEOFS_NETMAP:
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try:
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resp = neofs_verbs.head_object(wallet, cid, oid,
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endpoint=node,
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is_raw=True,
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is_direct=True)
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if resp['link']:
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return resp['link']
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except Exception:
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logger.info(f"No Link Object found on {node}; continue")
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BuiltIn().fail(f"No Link Object for {cid}/{oid} found among all Storage Nodes")
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return None
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@keyword('Get Last Object')
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def get_last_object(wallet: str, cid: str, oid: str):
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"""
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Args:
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wallet (str): path to the wallet on whose behalf the Storage Nodes
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are requested
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cid (str): Container ID which stores the Large Object
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oid (str): Large Object ID
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Returns:
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(str): Last Object ID
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When no Last Object ID is found after all Storage Nodes polling,
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the function throws a native robot error.
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"""
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for node in NEOFS_NETMAP:
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try:
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resp = neofs_verbs.head_object(wallet, cid, oid,
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endpoint=node,
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is_raw=True,
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is_direct=True)
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if resp['lastPart']:
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return resp['lastPart']
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except Exception:
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logger.info(f"No Last Object found on {node}; continue")
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BuiltIn().fail(f"No Last Object for {cid}/{oid} found among all Storage Nodes")
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return None
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