7a21456201
proccessed as JSON Signed-off-by: anastasia prasolova <anastasia@nspcc.ru>
297 lines
11 KiB
Python
297 lines
11 KiB
Python
#!/usr/bin/python3
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'''
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This module contains wrappers for NeoFS verbs executed via neofs-cli.
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'''
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import json
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import os
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import re
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import random
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import uuid
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from functools import reduce
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from common import NEOFS_ENDPOINT, ASSETS_DIR, NEOFS_NETMAP
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from cli_helpers import _cmd_run
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import json_transformers
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from robot.api.deco import keyword
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from robot.api import logger
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ROBOT_AUTO_KEYWORDS = False
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# path to neofs-cli executable
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NEOFS_CLI_EXEC = os.getenv('NEOFS_CLI_EXEC', 'neofs-cli')
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@keyword('Get object')
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def get_object(wif: str, cid: str, oid: str, bearer_token: str="",
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write_object: str="", endpoint: str="", options: str="" ):
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'''
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GET from NeoFS.
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Args:
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wif (str): WIF of the wallet on whose behalf GET is done
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cid (str): ID of Container where we get the Object from
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oid (str): Object ID
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bearer_token (optional, str): path to Bearer Token file, appends to `--bearer` key
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write_object (optional, str): path to downloaded file, appends to `--file` key
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endpoint (optional, str): NeoFS endpoint to send request to, appends to `--rpc-endpoint` key
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options (optional, str): any options which `neofs-cli object get` accepts
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Returns:
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(str): path to downloaded file
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'''
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if not write_object:
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write_object = str(uuid.uuid4())
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file_path = f"{ASSETS_DIR}/{write_object}"
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if not endpoint:
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endpoint = random.sample(NEOFS_NETMAP, 1)[0]
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cmd = (
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f'{NEOFS_CLI_EXEC} --rpc-endpoint {endpoint} --wallet {wif} '
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f'object get --cid {cid} --oid {oid} --file {file_path} '
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f'{"--bearer " + bearer_token if bearer_token else ""} '
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f'{options}'
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)
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_cmd_run(cmd)
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return file_path
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@keyword('Get Range Hash')
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def get_range_hash(wif: str, cid: str, oid: str, bearer_token: str,
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range_cut: str, options: str=""):
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'''
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GETRANGEHASH of given Object.
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Args:
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wif (str): WIF of the wallet on whose behalf GETRANGEHASH is done
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cid (str): ID of Container where we get the Object from
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oid (str): Object ID
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bearer_token (str): path to Bearer Token file, appends to `--bearer` key
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range_cut (str): Range to take hash from in the form offset1:length1,...,
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value to pass to the `--range` parameter
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options (optional, str): any options which `neofs-cli object hash` accepts
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Returns:
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None
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'''
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cmd = (
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f'{NEOFS_CLI_EXEC} --rpc-endpoint {NEOFS_ENDPOINT} --wallet {wif} '
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f'object hash --cid {cid} --oid {oid} --range {range_cut} '
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f'{"--bearer " + bearer_token if bearer_token else ""} '
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f'{options}'
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)
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_cmd_run(cmd)
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@keyword('Put object')
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def put_object(wif: str, path: str, cid: str, bearer: str="", user_headers: dict={},
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endpoint: str="", options: str="" ):
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'''
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PUT of given file.
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Args:
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wif (str): WIF of the wallet on whose behalf PUT is done
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path (str): path to file to be PUT
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cid (str): ID of Container where we get the Object from
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bearer (optional, str): path to Bearer Token file, appends to `--bearer` key
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user_headers (optional, dict): Object attributes, append to `--attributes` key
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endpoint(optional, str): NeoFS endpoint to send request to
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options (optional, str): any options which `neofs-cli object put` accepts
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Returns:
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(str): ID of uploaded Object
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'''
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if not endpoint:
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endpoint = random.sample(NEOFS_NETMAP, 1)[0]
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cmd = (
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f'{NEOFS_CLI_EXEC} --rpc-endpoint {endpoint} --wallet {wif} '
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f'object put --file {path} --cid {cid} {options} '
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f'{"--bearer " + bearer if bearer else ""} '
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f'{"--attributes " + _dict_to_attrs(user_headers) if user_headers else ""}'
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)
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output = _cmd_run(cmd)
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# splitting CLI output to lines and taking the penultimate line
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id_str = output.strip().split('\n')[-2]
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oid = id_str.split(':')[1]
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return oid.strip()
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@keyword('Delete object')
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def delete_object(wif: str, cid: str, oid: str, bearer: str="", options: str=""):
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'''
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DELETE an Object.
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Args:
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wif (str): WIF of the wallet on whose behalf DELETE is done
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cid (str): ID of Container where we get the Object from
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oid (str): ID of Object we are going to delete
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bearer (optional, str): path to Bearer Token file, appends to `--bearer` key
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options (optional, str): any options which `neofs-cli object delete` accepts
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Returns:
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(str): Tombstone ID
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'''
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cmd = (
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f'{NEOFS_CLI_EXEC} --rpc-endpoint {NEOFS_ENDPOINT} --wallet {wif} '
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f'object delete --cid {cid} --oid {oid} {options}'
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f'{"--bearer " + bearer if bearer else ""} '
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)
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output = _cmd_run(cmd)
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id_str = output.split('\n')[1]
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tombstone = id_str.split(':')[1]
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return tombstone.strip()
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@keyword('Get Range')
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def get_range(wif: str, cid: str, oid: str, range_file: str, bearer: str,
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range_cut: str, options:str=""):
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'''
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GETRANGE an Object.
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Args:
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wif (str): WIF of the wallet on whose behalf GETRANGE is done
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cid (str): ID of Container where we get the Object from
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oid (str): ID of Object we are going to request
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range_file (str): file where payload range data will be written
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bearer (str): path to Bearer Token file, appends to `--bearer` key
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range_cut (str): range to take data from in the form offset:length
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options (optional, str): any options which `neofs-cli object range` accepts
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Returns:
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None
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'''
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cmd = (
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f'{NEOFS_CLI_EXEC} --rpc-endpoint {NEOFS_ENDPOINT} --wallet {wif} '
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f'object range --cid {cid} --oid {oid} --range {range_cut} '
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f'--file {ASSETS_DIR}/{range_file} {options}'
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f'{"--bearer " + bearer if bearer else ""} '
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)
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_cmd_run(cmd)
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@keyword('Search object')
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def search_object(wif: str, cid: str, keys: str="", bearer: str="", filters: dict={},
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expected_objects_list=[], options:str=""):
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'''
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GETRANGE an Object.
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Args:
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wif (str): WIF of the wallet on whose behalf SEARCH is done
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cid (str): ID of Container where we get the Object from
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keys(optional, str): any keys for Object SEARCH which `neofs-cli object search`
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accepts, e.g. `--oid`
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bearer (optional, str): path to Bearer Token file, appends to `--bearer` key
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filters (optional, dict): key=value pairs to filter Objects
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expected_objects_list (optional, list): a list of ObjectIDs to compare found Objects with
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options (optional, str): any options which `neofs-cli object search` accepts
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Returns:
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(list): list of found ObjectIDs
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'''
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filters_result = ""
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if filters:
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filters_result += "--filters "
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logger.info(filters)
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for key, value in filters.items():
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filters_result += f"'{key} EQ {value}' "
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cmd = (
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f'{NEOFS_CLI_EXEC} --rpc-endpoint {NEOFS_ENDPOINT} --wallet {wif} '
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f'object search {keys} --cid {cid} {filters_result} {options}'
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f'{"--bearer " + bearer if bearer else ""} '
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)
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output = _cmd_run(cmd)
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found_objects = re.findall(r'(\w{43,44})', output)
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if expected_objects_list:
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if sorted(found_objects) == sorted(expected_objects_list):
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logger.info(f"Found objects list '{found_objects}' ",
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f"is equal for expected list '{expected_objects_list}'")
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else:
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raise Exception(f"Found object list {found_objects} ",
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f"is not equal to expected list '{expected_objects_list}'")
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return found_objects
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@keyword('Head object')
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def head_object(wif: str, cid: str, oid: str, bearer_token: str="",
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options:str="", endpoint: str="", json_output: bool = True,
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is_raw: bool = False):
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'''
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HEAD an Object.
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Args:
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wif (str): WIF of the wallet on whose behalf HEAD is done
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cid (str): ID of Container where we get the Object from
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oid (str): ObjectID to HEAD
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bearer_token (optional, str): path to Bearer Token file, appends to `--bearer` key
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options (optional, str): any options which `neofs-cli object head` accepts
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endpoint(optional, str): NeoFS endpoint to send request to
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json_output(optional, bool): return reponse in JSON format or not; this flag
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turns into `--json` key
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is_raw(optional, bool): send "raw" request or not; this flag
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turns into `--raw` key
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Returns:
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depending on the `json_output` parameter value, the function returns
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(dict): HEAD response in JSON format
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or
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(str): HEAD response as a plain text
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'''
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cmd = (
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f'{NEOFS_CLI_EXEC} --rpc-endpoint {endpoint if endpoint else NEOFS_ENDPOINT} '
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f'--wallet {wif} '
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f'object head --cid {cid} --oid {oid} {options} '
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f'{"--bearer " + bearer_token if bearer_token else ""} '
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f'{"--json" if json_output else ""} '
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f'{"--raw" if is_raw else ""}'
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)
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output = _cmd_run(cmd)
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if not json_output:
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return output
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decoded = ""
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try:
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decoded = json.loads(output)
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except Exception as exc:
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# If we failed to parse output as JSON, the cause might be
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# the plain text string in the beginning of the output.
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# Here we cut off first string and try to parse again.
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logger.info(f"failed to parse output: {exc}")
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logger.info("parsing output in another way")
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fst_line_idx = output.find('\n')
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decoded = json.loads(output[fst_line_idx:])
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# If response is Complex Object header, it has `splitId` key
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if 'splitId' in decoded.keys():
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logger.info("decoding split header")
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return json_transformers.decode_split_header(decoded)
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# If response is Last or Linking Object header,
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# it has `header` dictionary and non-null `split` dictionary
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if 'split' in decoded['header'].keys():
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if decoded['header']['split']:
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logger.info("decoding linking object")
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return json_transformers.decode_linking_object(decoded)
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if decoded['header']['objectType'] == 'STORAGE_GROUP':
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logger.info("decoding storage group")
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return json_transformers.decode_storage_group(decoded)
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logger.info("decoding simple header")
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return json_transformers.decode_simple_header(decoded)
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def _dict_to_attrs(attrs: dict):
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'''
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This function takes dictionary of object attributes and converts them
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into the string. The string is passed to `--attibutes` key of the
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neofs-cli.
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Args:
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attrs (dict): object attirbutes in {"a": "b", "c": "d"} format.
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Returns:
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(str): string in "a=b,c=d" format.
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'''
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return reduce(lambda a,b: f"{a},{b}", map(lambda i: f"{i}={attrs[i]}", attrs))
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