682 lines
26 KiB
Python
682 lines
26 KiB
Python
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# Copyright 2011 OpenStack LLC.
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# All Rights Reserved.
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#
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# 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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"""
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Command-line interface to the OpenStack Manila API.
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"""
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from __future__ import print_function
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import argparse
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import getpass
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import glob
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import imp
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import itertools
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import logging
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import os
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import pkgutil
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import sys
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import keyring
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import six
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from manilaclient import client
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from manilaclient import exceptions as exc
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import manilaclient.extension
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from manilaclient.openstack.common import cliutils
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from manilaclient.openstack.common import strutils
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from manilaclient.v1 import shell as shell_v1
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# from manilaclient.v2 import shell as shell_v2
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DEFAULT_OS_SHARE_API_VERSION = "1"
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DEFAULT_MANILA_ENDPOINT_TYPE = 'publicURL'
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DEFAULT_MANILA_SERVICE_TYPE = 'share'
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logger = logging.getLogger(__name__)
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class ManilaClientArgumentParser(argparse.ArgumentParser):
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def __init__(self, *args, **kwargs):
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super(ManilaClientArgumentParser, self).__init__(*args, **kwargs)
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def error(self, message):
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"""error(message: string)
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Prints a usage message incorporating the message to stderr and
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exits.
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"""
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self.print_usage(sys.stderr)
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# FIXME(lzyeval): if changes occur in argparse.ArgParser._check_value
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choose_from = ' (choose from'
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progparts = self.prog.partition(' ')
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self.exit(2, "error: %(errmsg)s\nTry '%(mainp)s help %(subp)s'"
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" for more information.\n" %
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{'errmsg': message.split(choose_from)[0],
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'mainp': progparts[0],
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'subp': progparts[2]})
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class ManilaKeyring(keyring.backends.file.EncryptedKeyring):
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def delete_password(self, keyring_keys):
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"""Delete passwords from keyring.
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Delete the passwords for given usernames of the services.
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:param keyring_key: dictionary containing pairs {service:username}
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"""
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if self._check_file():
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self._unlock()
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for key, value in six.iteritems(keyring_keys):
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super(ManilaKeyring, self).delete_password(key, value)
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class SecretsHelper(object):
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"""Helper for working with keyring."""
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def __init__(self, args, client):
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self.args = args
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self.client = client
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self.key = None
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self.keyring = ManilaKeyring()
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def _validate_string(self, text):
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if text is None or len(text) == 0:
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return False
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return True
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def _make_key(self):
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if self.key is not None:
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return self.key
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keys = [
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self.client.auth_url,
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self.client.user,
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self.client.projectid,
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self.client.region_name,
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self.client.endpoint_type,
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self.client.service_type,
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self.client.service_name,
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self.client.share_service_name,
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]
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for (index, key) in enumerate(keys):
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if key is None:
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keys[index] = '?'
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else:
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keys[index] = str(keys[index])
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self.key = "/".join(keys)
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return self.key
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def _prompt_password(self, verify=True):
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"""Suggest user to enter password from keyboard."""
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pw = None
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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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while True:
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pw1 = getpass.getpass('OS Password: ')
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if verify:
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pw2 = getpass.getpass('Please verify: ')
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else:
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pw2 = pw1
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if pw1 == pw2 and self._validate_string(pw1):
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pw = pw1
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break
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except EOFError:
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pass
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return pw
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def save(self, auth_token, management_url, tenant_id):
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"""Save auth token, management url and tenant id in keyring.
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If params are different from already cached ones, save new auth token,
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management url and tenant id in keyring.
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Raise ValueError in case of empty auth_token, management_url or
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tenant_id.
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"""
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if (auth_token == self.auth_token and
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management_url == self.management_url):
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# Nothing changed....
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return
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if not all([management_url, auth_token, tenant_id]):
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raise ValueError("Unable to save empty management url/auth "
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"token")
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value = "|".join([str(auth_token),
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str(management_url),
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str(tenant_id)])
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self.keyring.set_password('manilaclient_auth', self._make_key(), value)
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def reset(self):
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"""Delete cached password and auth token."""
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args = {'openstack': self.args.os_username,
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'manilaclient_auth': self._make_key()}
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self.keyring.delete_password(args)
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def save_password(self):
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self.keyring.set_password('openstack', self.args.os_username,
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self.password)
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def check_cached_password(self):
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"""Check if os_password is equal to cached password."""
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if self.args.os_cache:
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cached_password = self.keyring.get_password('openstack',
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self.args.os_username)
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cached_token = self.keyring.get_password('manilaclient_auth',
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self._make_key())
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if cached_password and self.password != cached_password:
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return False
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if cached_token and not cached_password:
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return False
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return True
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@property
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def password(self):
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"""Return user password.
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Return os_password value or suggest user to enter new password from
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keyboard.
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"""
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password = None
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if self._validate_string(self.args.os_password):
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password = self.args.os_password
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else:
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verify_pass = strutils.bool_from_string(
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cliutils.env("OS_VERIFY_PASSWORD", default=False))
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password = self._prompt_password(verify_pass)
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if not password:
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raise exc.CommandError(
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'Expecting a password provided via either '
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'--os-password, env[OS_PASSWORD], or '
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'prompted response')
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return password
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@property
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def management_url(self):
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"""Return cached management url.
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If os_cache enabled and management url already cached, return
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management url. Otherwise return None.
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"""
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if not self.args.os_cache:
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return None
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management_url = None
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block = self.keyring.get_password('manilaclient_auth',
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self._make_key())
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if block:
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_token, management_url, _tenant_id = block.split('|', 2)
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return management_url
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@property
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def auth_token(self):
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"""Return cached auth token.
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If os_cache enabled and auth token already cached, return auth token.
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Otherwise return None.
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"""
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if not self.args.os_cache:
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return None
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token = None
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block = self.keyring.get_password('manilaclient_auth',
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self._make_key())
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if block:
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token, _management_url, _tenant_id = block.split('|', 2)
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return token
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@property
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def tenant_id(self):
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"""Return cached tenant id.
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If os_cache enabled and tenant id already cached, return tenant id.
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Otherwise return None.
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"""
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if not self.args.os_cache:
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return None
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tenant_id = None
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block = self.keyring.get_password('manilaclient_auth',
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self._make_key())
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if block:
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_token, _management_url, tenant_id = block.split('|', 2)
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return tenant_id
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class OpenStackManilaShell(object):
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def get_base_parser(self):
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parser = ManilaClientArgumentParser(
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prog='manila',
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description=__doc__.strip(),
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epilog='See "manila help COMMAND" '
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'for help on a specific command.',
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add_help=False,
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formatter_class=OpenStackHelpFormatter,
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)
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# Global arguments
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parser.add_argument('-h', '--help',
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action='store_true',
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help=argparse.SUPPRESS)
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parser.add_argument('--version',
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action='version',
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version=manilaclient.__version__)
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parser.add_argument('--debug',
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action='store_true',
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default=cliutils.env('manilaclient_DEBUG',
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default=False),
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help="Print debugging output.")
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parser.add_argument('--os-cache',
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default=cliutils.env('OS_CACHE', default=False),
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action='store_true',
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help='Use the auth token cache. '
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'Defaults to env[OS_CACHE].')
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parser.add_argument('--os-reset-cache',
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default=False,
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action='store_true',
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help='Delete cached password and auth token.')
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parser.add_argument('--os-username',
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metavar='<auth-user-name>',
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default=cliutils.env('OS_USERNAME',
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'MANILA_USERNAME'),
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help='Defaults to env[OS_USERNAME].')
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parser.add_argument('--os_username',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-password',
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metavar='<auth-password>',
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default=cliutils.env('OS_PASSWORD',
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'MANILA_PASSWORD'),
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help='Defaults to env[OS_PASSWORD].')
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parser.add_argument('--os_password',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-tenant-name',
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metavar='<auth-tenant-name>',
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default=cliutils.env('OS_TENANT_NAME',
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'MANILA_PROJECT_ID'),
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help='Defaults to env[OS_TENANT_NAME].')
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parser.add_argument('--os_tenant_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-tenant-id',
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metavar='<auth-tenant-id>',
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default=cliutils.env('OS_TENANT_ID',
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'MANILA_TENANT_ID'),
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help='Defaults to env[OS_TENANT_ID].')
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parser.add_argument('--os_tenant_id',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-auth-url',
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metavar='<auth-url>',
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default=cliutils.env('OS_AUTH_URL',
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'MANILA_URL'),
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help='Defaults to env[OS_AUTH_URL].')
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parser.add_argument('--os_auth_url',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-region-name',
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metavar='<region-name>',
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default=cliutils.env('OS_REGION_NAME',
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'MANILA_REGION_NAME'),
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help='Defaults to env[OS_REGION_NAME].')
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parser.add_argument('--os_region_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--service-type',
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metavar='<service-type>',
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help='Defaults to compute for most actions.')
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parser.add_argument('--service_type',
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help=argparse.SUPPRESS)
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parser.add_argument('--service-name',
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metavar='<service-name>',
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default=cliutils.env('MANILA_SERVICE_NAME'),
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help='Defaults to env[MANILA_SERVICE_NAME].')
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parser.add_argument('--service_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--share-service-name',
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metavar='<share-service-name>',
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default=cliutils.env('MANILA_share_service_name'),
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help='Defaults to env[MANILA_share_service_name].')
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parser.add_argument('--share_service_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--endpoint-type',
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metavar='<endpoint-type>',
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default=cliutils.env(
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'MANILA_ENDPOINT_TYPE',
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default=DEFAULT_MANILA_ENDPOINT_TYPE),
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help='Defaults to env[MANILA_ENDPOINT_TYPE] or '
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+ DEFAULT_MANILA_ENDPOINT_TYPE + '.')
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parser.add_argument('--endpoint_type',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-share-api-version',
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metavar='<compute-api-ver>',
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default=cliutils.env(
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'OS_SHARE_API_VERSION',
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default=DEFAULT_OS_SHARE_API_VERSION),
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help='Accepts 1 or 2, defaults '
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'to env[OS_SHARE_API_VERSION].')
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parser.add_argument('--os_share_api_version',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-cacert',
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metavar='<ca-certificate>',
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default=cliutils.env('OS_CACERT', default=None),
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help='Specify a CA bundle file to use in '
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'verifying a TLS (https) server certificate. '
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'Defaults to env[OS_CACERT].')
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parser.add_argument('--insecure',
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default=cliutils.env('manilaclient_INSECURE',
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default=False),
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action='store_true',
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help=argparse.SUPPRESS)
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parser.add_argument('--retries',
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metavar='<retries>',
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type=int,
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default=0,
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help='Number of retries.')
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return parser
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def get_subcommand_parser(self, version):
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parser = self.get_base_parser()
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self.subcommands = {}
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subparsers = parser.add_subparsers(metavar='<subcommand>')
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try:
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actions_module = {
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'1.1': shell_v1,
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}[version]
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except KeyError:
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actions_module = shell_v1
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self._find_actions(subparsers, actions_module)
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self._find_actions(subparsers, self)
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for extension in self.extensions:
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self._find_actions(subparsers, extension.module)
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self._add_bash_completion_subparser(subparsers)
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return parser
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def _discover_extensions(self, version):
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extensions = []
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for name, module in itertools.chain(
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self._discover_via_python_path(version),
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self._discover_via_contrib_path(version)):
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extension = manilaclient.extension.Extension(name, module)
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extensions.append(extension)
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return extensions
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def _discover_via_python_path(self, version):
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for (module_loader, name, ispkg) in pkgutil.iter_modules():
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if name.endswith('python_manilaclient_ext'):
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if not hasattr(module_loader, 'load_module'):
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# Python 2.6 compat: actually get an ImpImporter obj
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module_loader = module_loader.find_module(name)
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module = module_loader.load_module(name)
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yield name, module
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def _discover_via_contrib_path(self, version):
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module_path = os.path.dirname(os.path.abspath(__file__))
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version_str = "v%s" % version.replace('.', '_')
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ext_path = os.path.join(module_path, version_str, 'contrib')
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ext_glob = os.path.join(ext_path, "*.py")
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for ext_path in glob.iglob(ext_glob):
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name = os.path.basename(ext_path)[:-3]
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if name == "__init__":
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continue
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module = imp.load_source(name, ext_path)
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yield name, module
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def _add_bash_completion_subparser(self, subparsers):
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subparser = subparsers.add_parser(
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'bash_completion',
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add_help=False,
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formatter_class=OpenStackHelpFormatter)
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self.subcommands['bash_completion'] = subparser
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subparser.set_defaults(func=self.do_bash_completion)
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def _find_actions(self, subparsers, actions_module):
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for attr in (a for a in dir(actions_module) if a.startswith('do_')):
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# I prefer to be hypen-separated instead of underscores.
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command = attr[3:].replace('_', '-')
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callback = getattr(actions_module, attr)
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desc = callback.__doc__ or ''
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help = desc.strip()
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arguments = getattr(callback, 'arguments', [])
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subparser = subparsers.add_parser(
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command,
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help=help,
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description=desc,
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add_help=False,
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formatter_class=OpenStackHelpFormatter)
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subparser.add_argument('-h', '--help',
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action='help',
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help=argparse.SUPPRESS,)
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self.subcommands[command] = subparser
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for (args, kwargs) in arguments:
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subparser.add_argument(*args, **kwargs)
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subparser.set_defaults(func=callback)
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def setup_debugging(self, debug):
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if not debug:
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return
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streamhandler = logging.StreamHandler()
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streamformat = "%(levelname)s (%(module)s:%(lineno)d) %(message)s"
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streamhandler.setFormatter(logging.Formatter(streamformat))
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logger.setLevel(logging.DEBUG)
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logger.addHandler(streamhandler)
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def main(self, argv):
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# Parse args once to find version and debug settings
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parser = self.get_base_parser()
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(options, args) = parser.parse_known_args(argv)
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self.setup_debugging(options.debug)
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# build available subcommands based on version
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self.extensions = self._discover_extensions(
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options.os_share_api_version)
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self._run_extension_hooks('__pre_parse_args__')
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subcommand_parser = self.get_subcommand_parser(
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options.os_share_api_version)
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self.parser = subcommand_parser
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if options.help or not argv:
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subcommand_parser.print_help()
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return 0
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args = subcommand_parser.parse_args(argv)
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self._run_extension_hooks('__post_parse_args__', args)
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# Short-circuit and deal with help right away.
|
|
if args.func == self.do_help:
|
|
self.do_help(args)
|
|
return 0
|
|
elif args.func == self.do_bash_completion:
|
|
self.do_bash_completion(args)
|
|
return 0
|
|
|
|
(os_username, os_password, os_tenant_name, os_auth_url,
|
|
os_region_name, os_tenant_id, endpoint_type, insecure,
|
|
service_type, service_name, share_service_name,
|
|
cacert, os_cache, os_reset_cache) = (
|
|
args.os_username, args.os_password, args.os_tenant_name,
|
|
args.os_auth_url, args.os_region_name, args.os_tenant_id,
|
|
args.endpoint_type, args.insecure, args.service_type,
|
|
args.service_name, args.share_service_name,
|
|
args.os_cacert, args.os_cache, args.os_reset_cache)
|
|
|
|
if not endpoint_type:
|
|
endpoint_type = DEFAULT_MANILA_ENDPOINT_TYPE
|
|
|
|
if not service_type:
|
|
service_type = DEFAULT_MANILA_SERVICE_TYPE
|
|
service_type = cliutils.get_service_type(args.func) or service_type
|
|
|
|
# FIXME(usrleon): Here should be restrict for project id same as
|
|
# for os_username or os_password but for compatibility it is not.
|
|
|
|
if not cliutils.isunauthenticated(args.func):
|
|
if not os_username:
|
|
raise exc.CommandError(
|
|
"You must provide a username "
|
|
"via either --os-username or env[OS_USERNAME]")
|
|
|
|
if not (os_tenant_name or os_tenant_id):
|
|
raise exc.CommandError("You must provide a tenant_id "
|
|
"via either --os-tenant-id or "
|
|
"env[OS_TENANT_ID]")
|
|
|
|
if not os_auth_url:
|
|
raise exc.CommandError(
|
|
"You must provide an auth url "
|
|
"via either --os-auth-url or env[OS_AUTH_URL]")
|
|
|
|
if not (os_tenant_name or os_tenant_id):
|
|
raise exc.CommandError(
|
|
"You must provide a tenant_id "
|
|
"via either --os-tenant-id or env[OS_TENANT_ID]")
|
|
|
|
if not os_auth_url:
|
|
raise exc.CommandError(
|
|
"You must provide an auth url "
|
|
"via either --os-auth-url or env[OS_AUTH_URL]")
|
|
|
|
self.cs = client.Client(options.os_share_api_version, os_username,
|
|
os_password, os_tenant_name, os_auth_url,
|
|
insecure, region_name=os_region_name,
|
|
tenant_id=os_tenant_id,
|
|
endpoint_type=endpoint_type,
|
|
extensions=self.extensions,
|
|
service_type=service_type,
|
|
service_name=service_name,
|
|
share_service_name=share_service_name,
|
|
retries=options.retries,
|
|
http_log_debug=args.debug,
|
|
cacert=cacert,
|
|
os_cache=os_cache)
|
|
if not cliutils.isunauthenticated(args.func):
|
|
helper = SecretsHelper(args, self.cs.client)
|
|
if os_reset_cache:
|
|
helper.reset()
|
|
self.cs.client.keyring_saver = helper
|
|
if (helper.tenant_id and helper.auth_token and
|
|
helper.management_url and
|
|
helper.check_cached_password()):
|
|
self.cs.client.tenant_id = helper.tenant_id
|
|
self.cs.client.auth_token = helper.auth_token
|
|
self.cs.client.management_url = helper.management_url
|
|
else:
|
|
self.cs.client.password = helper.password
|
|
try:
|
|
self.cs.authenticate()
|
|
except exc.Unauthorized:
|
|
raise exc.CommandError("Invalid OpenStack Manila "
|
|
"credentials.")
|
|
except exc.AuthorizationFailure:
|
|
raise exc.CommandError("Unable to authorize user")
|
|
|
|
args.func(self.cs, args)
|
|
|
|
def _run_extension_hooks(self, hook_type, *args, **kwargs):
|
|
"""Run hooks for all registered extensions."""
|
|
for extension in self.extensions:
|
|
extension.run_hooks(hook_type, *args, **kwargs)
|
|
|
|
def do_bash_completion(self, args):
|
|
"""Print arguments for bash_completion.
|
|
|
|
Prints all of the commands and options to stdout so that the
|
|
manila.bash_completion script doesn't have to hard code them.
|
|
"""
|
|
commands = set()
|
|
options = set()
|
|
for sc_str, sc in list(self.subcommands.items()):
|
|
commands.add(sc_str)
|
|
for option in sc._optionals._option_string_actions:
|
|
options.add(option)
|
|
|
|
commands.remove('bash-completion')
|
|
commands.remove('bash_completion')
|
|
print(' '.join(commands | options))
|
|
|
|
@cliutils.arg('command', metavar='<subcommand>', nargs='?',
|
|
help='Display help for <subcommand>')
|
|
def do_help(self, args):
|
|
"""Display help about this program or one of its subcommands."""
|
|
if args.command:
|
|
if args.command in self.subcommands:
|
|
self.subcommands[args.command].print_help()
|
|
else:
|
|
raise exc.CommandError("'%s' is not a valid subcommand" %
|
|
args.command)
|
|
else:
|
|
self.parser.print_help()
|
|
|
|
|
|
# I'm picky about my shell help.
|
|
class OpenStackHelpFormatter(argparse.HelpFormatter):
|
|
def start_section(self, heading):
|
|
# Title-case the headings
|
|
heading = '%s%s' % (heading[0].upper(), heading[1:])
|
|
super(OpenStackHelpFormatter, self).start_section(heading)
|
|
|
|
|
|
def main():
|
|
try:
|
|
if sys.version_info >= (3, 0):
|
|
OpenStackManilaShell().main(sys.argv[1:])
|
|
else:
|
|
OpenStackManilaShell().main(
|
|
map(strutils.safe_decode, sys.argv[1:]))
|
|
except KeyboardInterrupt:
|
|
print("... terminating manila client", file=sys.stderr)
|
|
sys.exit(130)
|
|
except Exception as e:
|
|
logger.debug(e, exc_info=1)
|
|
message = e.message
|
|
if not isinstance(message, six.string_types):
|
|
message = str(message)
|
|
print("ERROR: %s" % strutils.safe_encode(message), file=sys.stderr)
|
|
sys.exit(1)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|