150 lines
4.7 KiB
Python
150 lines
4.7 KiB
Python
import json
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import sys
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from typing import List, Tuple, Dict
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import click
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import requests
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from zope import component
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from .operation_strings import descriptions as op_desc
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from ceo_common.interfaces import IHTTPClient, IConfig
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def http_request(method: str, path: str, **kwargs) -> requests.Response:
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client = component.getUtility(IHTTPClient)
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cfg = component.getUtility(IConfig)
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if path.startswith('/api/db'):
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host = cfg.get('ceod_db_host')
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need_cred = False
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else:
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host = cfg.get('ceod_admin_host')
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# The forwarded TGT is only needed for endpoints which write to LDAP
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need_cred = method != 'GET'
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return client.request(
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host, path, method, principal=None, need_cred=need_cred,
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stream=True, **kwargs)
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def http_get(path: str, **kwargs) -> requests.Response:
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return http_request('GET', path, **kwargs)
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def http_post(path: str, **kwargs) -> requests.Response:
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return http_request('POST', path, **kwargs)
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def http_patch(path: str, **kwargs) -> requests.Response:
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return http_request('PATCH', path, **kwargs)
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def http_delete(path: str, **kwargs) -> requests.Response:
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return http_request('DELETE', path, **kwargs)
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def handle_stream_response(resp: requests.Response, operations: List[str]) -> List[Dict]:
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"""
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Print output to the console while operations are being streamed
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from the server over HTTP.
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Returns the parsed JSON data streamed from the server.
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"""
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if resp.status_code != 200:
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click.echo('An error occurred:')
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click.echo(resp.text)
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sys.exit(1)
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click.echo(op_desc[operations[0]] + '... ', nl=False)
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idx = 0
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data = []
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for line in resp.iter_lines(decode_unicode=True, chunk_size=8):
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d = json.loads(line)
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data.append(d)
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if d['status'] == 'aborted':
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click.echo(click.style('ABORTED', fg='red'))
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click.echo('The transaction was rolled back.')
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click.echo('The error was: ' + d['error'])
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click.echo('Please check the ceod logs.')
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sys.exit(1)
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elif d['status'] == 'completed':
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click.echo('Transaction successfully completed.')
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return data
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operation = d['operation']
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oper_failed = False
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err_msg = None
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prefix = 'failed_to_'
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if operation.startswith(prefix):
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operation = operation[len(prefix):]
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oper_failed = True
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# sometimes the operation looks like
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# "failed_to_do_something: error message"
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if ':' in operation:
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operation, err_msg = operation.split(': ', 1)
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while idx < len(operations) and operations[idx] != operation:
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click.echo('Skipped')
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idx += 1
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if idx == len(operations):
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break
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click.echo(op_desc[operations[idx]] + '... ', nl=False)
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if idx == len(operations):
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click.echo('Unrecognized operation: ' + operation)
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continue
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if oper_failed:
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click.echo(click.style('Failed', fg='red'))
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if err_msg is not None:
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click.echo(' Error message: ' + err_msg)
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else:
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click.echo(click.style('Done', fg='green'))
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idx += 1
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if idx < len(operations):
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click.echo(op_desc[operations[idx]] + '... ', nl=False)
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raise Exception('server response ended abruptly')
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def handle_sync_response(resp: requests.Response):
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"""
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Exit the program if the request was not successful.
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Returns the parsed JSON response.
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"""
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if resp.status_code // 100 != 2:
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click.echo('An error occurred:')
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click.echo(resp.text)
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sys.exit(1)
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return resp.json()
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def print_colon_kv(pairs: List[Tuple[str, str]]):
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"""
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Pretty-print a list of key-value pairs such that the key and value
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columns align.
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Example:
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key1: value1
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key1000: value2
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"""
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maxlen = max(len(key) for key, val in pairs)
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for key, val in pairs:
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click.echo(key + ': ', nl=False)
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extra_space = ' ' * (maxlen - len(key))
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click.echo(extra_space, nl=False)
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click.echo(val)
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def get_failed_operations(data: List[Dict]) -> List[str]:
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"""
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Get a list of the failed operations using the JSON objects
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streamed from the server.
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"""
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prefix = 'failed_to_'
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failed = []
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for d in data:
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if 'operation' not in d:
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continue
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operation = d['operation']
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if not operation.startswith(prefix):
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continue
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operation = operation[len(prefix):]
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if ':' in operation:
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operation = operation[:operation.index(':')]
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failed.append(operation)
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return failed
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