1833d5bb5c
This client hasn't been compatible with Python 2 in years, so there is no point depending on a Python 2/Python 3 compatibility library. Change-Id: I6979fcf0f92408751d9c3df937c8d4c060cfff54
123 lines
4.2 KiB
Python
123 lines
4.2 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import getpass
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import hashlib
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import sys
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from keystoneauth1 import exceptions as ksa_exceptions
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from oslo_utils import timeutils
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from keystoneclient import exceptions as ksc_exceptions
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def find_resource(manager, name_or_id):
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"""Helper for the _find_* methods."""
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# first try the entity as a string
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try:
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return manager.get(name_or_id)
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except (ksa_exceptions.NotFound): # nosec(cjschaef): try to find
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# 'name_or_id' as a bytes instead
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pass
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# finally try to find entity by name
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try:
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if isinstance(name_or_id, bytes):
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name_or_id = name_or_id.decode('utf-8', 'strict')
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return manager.find(name=name_or_id)
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except ksa_exceptions.NotFound:
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msg = ("No %s with a name or ID of '%s' exists." %
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(manager.resource_class.__name__.lower(), name_or_id))
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raise ksc_exceptions.CommandError(msg)
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except ksc_exceptions.NoUniqueMatch:
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msg = ("Multiple %s matches found for '%s', use an ID to be more"
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" specific." % (manager.resource_class.__name__.lower(),
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name_or_id))
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raise ksc_exceptions.CommandError(msg)
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def hash_signed_token(signed_text, mode='md5'):
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hash_ = hashlib.new(mode)
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hash_.update(signed_text)
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return hash_.hexdigest()
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def prompt_user_password():
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"""Prompt user for a password.
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Prompt for a password if stdin is a tty.
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"""
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password = None
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# If stdin is a tty, try prompting for the password
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if hasattr(sys.stdin, 'isatty') and sys.stdin.isatty():
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# Check for Ctl-D
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try:
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password = getpass.getpass('Password: ')
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except EOFError: # nosec(cjschaef): return password, which is None if
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# password was not found
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pass
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return password
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def prompt_for_password():
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"""Prompt user for password if not provided.
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Prompt is used so the password doesn't show up in the
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bash history.
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"""
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if not (hasattr(sys.stdin, 'isatty') and sys.stdin.isatty()):
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# nothing to do
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return
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while True:
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try:
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new_passwd = getpass.getpass('New Password: ')
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rep_passwd = getpass.getpass('Repeat New Password: ')
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if new_passwd == rep_passwd:
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return new_passwd
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except EOFError:
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return
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_ISO8601_TIME_FORMAT_SUBSECOND = '%Y-%m-%dT%H:%M:%S.%f'
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_ISO8601_TIME_FORMAT = '%Y-%m-%dT%H:%M:%S'
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def isotime(at=None, subsecond=False):
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"""Stringify time in ISO 8601 format."""
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# Python provides a similar instance method for datetime.datetime objects
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# called isoformat(). The format of the strings generated by isoformat()
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# have a couple of problems:
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# 1) The strings generated by isotime are used in tokens and other public
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# APIs that we can't change without a deprecation period. The strings
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# generated by isoformat are not the same format, so we can't just
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# change to it.
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# 2) The strings generated by isoformat do not include the microseconds if
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# the value happens to be 0. This will likely show up as random failures
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# as parsers may be written to always expect microseconds, and it will
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# parse correctly most of the time.
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if not at:
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at = timeutils.utcnow()
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st = at.strftime(_ISO8601_TIME_FORMAT
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if not subsecond
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else _ISO8601_TIME_FORMAT_SUBSECOND)
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tz = at.tzinfo.tzname(None) if at.tzinfo else 'UTC'
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st += ('Z' if (tz == 'UTC' or tz == 'UTC+00:00') else tz)
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return st
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def strtime(at=None):
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at = at or timeutils.utcnow()
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return at.strftime(timeutils.PERFECT_TIME_FORMAT)
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