733 lines
28 KiB
Python
733 lines
28 KiB
Python
# Copyright 2010 Jacob Kaplan-Moss
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# Copyright 2011 OpenStack Foundation
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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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# This code is taken from python-novaclient. Goal is minimal modification.
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###
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"""
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Command-line interface to the OpenStack Sahara 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 logging
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import sys
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import warnings
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import six
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HAS_KEYRING = False
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all_errors = ValueError
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try:
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import keyring
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HAS_KEYRING = True
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try:
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if isinstance(keyring.get_keyring(), keyring.backend.GnomeKeyring):
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import gnomekeyring
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all_errors = (ValueError,
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gnomekeyring.IOError,
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gnomekeyring.NoKeyringDaemonError)
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except Exception:
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pass
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except ImportError:
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pass
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from keystoneauth1.identity.generic import password
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from keystoneauth1.identity.generic import token
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from keystoneauth1.loading import session
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from keystoneclient.auth.identity import v3 as identity
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from oslo_utils import encodeutils
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from oslo_utils import strutils
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from saharaclient.api import client
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from saharaclient.api import shell as shell_api
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from saharaclient.openstack.common.apiclient import auth
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from saharaclient.openstack.common.apiclient import exceptions as exc
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from saharaclient.openstack.common import cliutils
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from saharaclient import version
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DEFAULT_API_VERSION = 'api'
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DEFAULT_ENDPOINT_TYPE = 'publicURL'
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DEFAULT_SERVICE_TYPE = 'data-processing'
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logger = logging.getLogger(__name__)
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def positive_non_zero_float(text):
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if text is None:
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return None
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try:
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value = float(text)
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except ValueError:
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msg = "%s must be a float" % text
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raise argparse.ArgumentTypeError(msg)
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if value <= 0:
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msg = "%s must be greater than 0" % text
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raise argparse.ArgumentTypeError(msg)
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return value
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class SecretsHelper(object):
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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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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.projectid,
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self.client.user,
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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.volume_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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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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if not HAS_KEYRING or not self.args.os_cache:
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return
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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 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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keyring.set_password("saharaclient_auth", self._make_key(), value)
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@property
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def password(self):
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if self._validate_string(self.args.os_password):
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return self.args.os_password
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verify_pass = (
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strutils.bool_from_string(cliutils.env("OS_VERIFY_PASSWORD"))
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)
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return self._prompt_password(verify_pass)
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@property
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def management_url(self):
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if not HAS_KEYRING or not self.args.os_cache:
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return None
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management_url = None
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try:
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block = keyring.get_password('saharaclient_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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except all_errors:
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pass
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return management_url
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@property
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def auth_token(self):
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# Now is where it gets complicated since we
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# want to look into the keyring module, if it
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# exists and see if anything was provided in that
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# file that we can use.
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if not HAS_KEYRING or not self.args.os_cache:
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return None
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token = None
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try:
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block = keyring.get_password('saharaclient_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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except all_errors:
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pass
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return token
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@property
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def tenant_id(self):
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if not HAS_KEYRING or not self.args.os_cache:
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return None
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tenant_id = None
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try:
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block = keyring.get_password('saharaclient_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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except all_errors:
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pass
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return tenant_id
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class SaharaClientArgumentParser(argparse.ArgumentParser):
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def __init__(self, *args, **kwargs):
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super(SaharaClientArgumentParser, 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 OpenStackSaharaShell(object):
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def get_base_parser(self):
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parser = SaharaClientArgumentParser(
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prog='sahara',
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description=__doc__.strip(),
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epilog='See "sahara 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=version.version_info.version_string())
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parser.add_argument('--debug',
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default=False,
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action='store_true',
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help="Print debugging output.")
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parser.add_argument('--os-cache',
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default=strutils.bool_from_string(
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cliutils.env('OS_CACHE', default=False)),
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action='store_true',
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help="Use the auth token cache. Defaults to False "
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"if env[OS_CACHE] is not set.")
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# TODO(mattf) - add get_timings support to Client
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# parser.add_argument('--timings',
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# default=False,
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# action='store_true',
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# help="Print call timing info")
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# TODO(mattf) - use timeout
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# parser.add_argument('--timeout',
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# default=600,
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# metavar='<seconds>',
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# type=positive_non_zero_float,
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# help="Set HTTP call timeout (in seconds)")
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parser.add_argument('--region-name',
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metavar='<region-name>',
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default=cliutils.env('SAHARA_REGION_NAME',
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'OS_REGION_NAME'),
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help='Defaults to env[OS_REGION_NAME].')
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parser.add_argument('--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 data-processing for all '
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'actions.')
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parser.add_argument('--service_type',
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help=argparse.SUPPRESS)
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# NA
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# parser.add_argument('--service-name',
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# metavar='<service-name>',
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# default=utils.env('SAHARA_SERVICE_NAME'),
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# help='Defaults to env[SAHARA_SERVICE_NAME]')
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# parser.add_argument('--service_name',
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# help=argparse.SUPPRESS)
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# NA
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# parser.add_argument('--volume-service-name',
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# metavar='<volume-service-name>',
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# default=utils.env('NOVA_VOLUME_SERVICE_NAME'),
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# help='Defaults to env[NOVA_VOLUME_SERVICE_NAME]')
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# parser.add_argument('--volume_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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'SAHARA_ENDPOINT_TYPE',
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'OS_ENDPOINT_TYPE',
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default=DEFAULT_ENDPOINT_TYPE),
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help=('Defaults to env[SAHARA_ENDPOINT_TYPE] or'
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' env[OS_ENDPOINT_TYPE] or ')
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+ DEFAULT_ENDPOINT_TYPE + '.')
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# NOTE(dtroyer): We can't add --endpoint_type here due to argparse
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# thinking usage-list --end is ambiguous; but it
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# works fine with only --endpoint-type present
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# Go figure. I'm leaving this here for doc purposes.
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# parser.add_argument('--endpoint_type',
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# help=argparse.SUPPRESS)
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parser.add_argument('--sahara-api-version',
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metavar='<sahara-api-ver>',
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default=cliutils.env(
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'SAHARA_API_VERSION',
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default=DEFAULT_API_VERSION),
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help='Accepts "api", '
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'defaults to env[SAHARA_API_VERSION].')
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parser.add_argument('--sahara_api_version',
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help=argparse.SUPPRESS)
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parser.add_argument('--bypass-url',
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metavar='<bypass-url>',
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default=cliutils.env('BYPASS_URL', default=None),
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dest='bypass_url',
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help="Use this API endpoint instead of the "
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"Service Catalog.")
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parser.add_argument('--bypass_url',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-tenant-name',
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default=cliutils.env('OS_TENANT_NAME'),
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help='Defaults to env[OS_TENANT_NAME].')
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parser.add_argument('--os-tenant-id',
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default=cliutils.env('OS_TENANT_ID'),
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help='Defaults to env[OS_TENANT_ID].')
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parser.add_argument('--os-auth-system',
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default=cliutils.env('OS_AUTH_SYSTEM'),
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help='Defaults to env[OS_AUTH_SYSTEM].')
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parser.add_argument('--os-auth-token',
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default=cliutils.env('OS_AUTH_TOKEN'),
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help='Defaults to env[OS_AUTH_TOKEN].')
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# Use Keystoneclient/Keystoneauth API to parse authentication arguments
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session.Session().register_argparse_arguments(parser)
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identity.Password.register_argparse_arguments(parser)
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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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'api': shell_api,
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}[version]
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except KeyError:
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actions_module = shell_api
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actions_module = shell_api
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self._find_actions(subparsers, actions_module)
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self._find_actions(subparsers, self)
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self._add_bash_completion_subparser(subparsers)
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return parser
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def _add_bash_completion_subparser(self, subparsers):
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subparser = (
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subparsers.add_parser('bash_completion',
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add_help=False,
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formatter_class=OpenStackHelpFormatter)
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)
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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 hyphen-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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action_help = desc.strip()
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arguments = getattr(callback, 'arguments', [])
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subparser = (
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subparsers.add_parser(command,
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help=action_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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)
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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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streamformat = "%(levelname)s (%(module)s:%(lineno)d) %(message)s"
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# Set up the root logger to debug so that the submodules can
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# print debug messages
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logging.basicConfig(level=logging.DEBUG,
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format=streamformat)
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def _get_keystone_auth(self, session, auth_url, **kwargs):
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auth_token = kwargs.pop('auth_token', None)
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if auth_token:
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return token.Token(auth_url, auth_token, **kwargs)
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else:
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return password.Password(
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auth_url,
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username=kwargs.pop('username'),
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user_id=kwargs.pop('user_id'),
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password=kwargs.pop('password'),
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user_domain_id=kwargs.pop('user_domain_id'),
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user_domain_name=kwargs.pop('user_domain_name'),
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**kwargs)
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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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self.options = options
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# NOTE(dtroyer): Hackery to handle --endpoint_type due to argparse
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# thinking usage-list --end is ambiguous; but it
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# works fine with only --endpoint-type present
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# Go figure.
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if '--endpoint_type' in argv:
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spot = argv.index('--endpoint_type')
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argv[spot] = '--endpoint-type'
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subcommand_parser = (
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self.get_subcommand_parser(options.sahara_api_version)
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)
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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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# Short-circuit and deal with help right away.
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if args.func == self.do_help:
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self.do_help(args)
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return 0
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elif args.func == self.do_bash_completion:
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self.do_bash_completion(args)
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return 0
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# (os_username, os_tenant_name, os_tenant_id, os_auth_url,
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# os_region_name, os_auth_system, endpoint_type, insecure,
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# service_type, service_name, volume_service_name,
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# bypass_url, os_cache, cacert) = ( #, timeout) = (
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# args.os_username,
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# args.os_tenant_name, args.os_tenant_id,
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# args.os_auth_url,
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# args.os_region_name,
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# args.os_auth_system,
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# args.endpoint_type, args.insecure,
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# args.service_type,
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# args.service_name, args.volume_service_name,
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# args.bypass_url, args.os_cache,
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# args.os_cacert, args.timeout)
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(os_username, os_tenant_name, os_tenant_id,
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os_auth_url, os_auth_system, endpoint_type,
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service_type, bypass_url, os_cacert, insecure, region_name) = (
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(args.os_username, args.os_tenant_name, args.os_tenant_id,
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args.os_auth_url, args.os_auth_system, args.endpoint_type,
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args.service_type, args.bypass_url, args.os_cacert, args.insecure,
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args.region_name)
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)
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if os_auth_system and os_auth_system != "keystone":
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auth_plugin = auth.load_plugin(os_auth_system)
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else:
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auth_plugin = None
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|
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# Fetched and set later as needed
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os_password = None
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|
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if not endpoint_type:
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endpoint_type = DEFAULT_ENDPOINT_TYPE
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|
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if not service_type:
|
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service_type = DEFAULT_SERVICE_TYPE
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# NA - there is only one service this CLI accesses
|
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# service_type = utils.get_service_type(args.func) or service_type
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|
|
# 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 auth_plugin:
|
|
auth_plugin.parse_opts(args)
|
|
|
|
if not auth_plugin or not auth_plugin.opts:
|
|
if not os_username:
|
|
raise exc.CommandError("You must provide a username "
|
|
"via either --os-username or "
|
|
"env[OS_USERNAME]")
|
|
|
|
if not os_auth_url:
|
|
if os_auth_system and os_auth_system != 'keystone':
|
|
os_auth_url = auth_plugin.get_auth_url()
|
|
|
|
if not os_auth_url:
|
|
raise exc.CommandError("You must provide an auth url "
|
|
"via either --os-auth-url or "
|
|
"env[OS_AUTH_URL] or specify an "
|
|
"auth_system which defines a "
|
|
"default url with --os-auth-system "
|
|
"or env[OS_AUTH_SYSTEM]")
|
|
|
|
# NA
|
|
# if (options.os_compute_api_version and
|
|
# options.os_compute_api_version != '1.0'):
|
|
# if not os_tenant_name and not os_tenant_id:
|
|
# raise exc.CommandError("You must provide a tenant name "
|
|
# "or tenant id via --os-tenant-name, "
|
|
# "--os-tenant-id, env[OS_TENANT_NAME] "
|
|
# "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]")
|
|
|
|
# NOTE: The Sahara client authenticates when you create it. So instead of
|
|
# creating here and authenticating later, which is what the novaclient
|
|
# does, we just create the client later.
|
|
|
|
# Now check for the password/token of which pieces of the
|
|
# identifying keyring key can come from the underlying client
|
|
if not cliutils.isunauthenticated(args.func):
|
|
# NA - Client can't be used with SecretsHelper
|
|
# helper = SecretsHelper(args, self.cs.client)
|
|
if (auth_plugin and auth_plugin.opts and
|
|
"os_password" not in auth_plugin.opts):
|
|
use_pw = False
|
|
else:
|
|
use_pw = True
|
|
|
|
# tenant_id, auth_token, management_url = (helper.tenant_id,
|
|
# helper.auth_token,
|
|
# helper.management_url)
|
|
#
|
|
# if tenant_id and auth_token and management_url:
|
|
# self.cs.client.tenant_id = tenant_id
|
|
# self.cs.client.auth_token = auth_token
|
|
# self.cs.client.management_url = management_url
|
|
# # authenticate just sets up some values in this case, no REST
|
|
# # calls
|
|
# self.cs.authenticate()
|
|
if use_pw:
|
|
# Auth using token must have failed or not happened
|
|
# at all, so now switch to password mode and save
|
|
# the token when its gotten... using our keyring
|
|
# saver
|
|
# os_password = helper.password
|
|
os_password = args.os_password
|
|
if not os_password:
|
|
raise exc.CommandError(
|
|
'Expecting a password provided via either '
|
|
'--os-password, env[OS_PASSWORD], or '
|
|
'prompted response')
|
|
# self.cs.client.password = os_password
|
|
# self.cs.client.keyring_saver = helper
|
|
|
|
# V3 stuff
|
|
project_info_provided = (self.options.os_tenant_name or
|
|
self.options.os_tenant_id or
|
|
(self.options.os_project_name and
|
|
(self.options.os_project_domain_name or
|
|
self.options.os_project_domain_id)) or
|
|
self.options.os_project_id)
|
|
|
|
if (not project_info_provided):
|
|
raise exc.CommandError(
|
|
("You must provide a tenant_name, tenant_id, "
|
|
"project_id or project_name (with "
|
|
"project_domain_name or project_domain_id) via "
|
|
" --os-tenant-name (env[OS_TENANT_NAME]),"
|
|
" --os-tenant-id (env[OS_TENANT_ID]),"
|
|
" --os-project-id (env[OS_PROJECT_ID])"
|
|
" --os-project-name (env[OS_PROJECT_NAME]),"
|
|
" --os-project-domain-id "
|
|
"(env[OS_PROJECT_DOMAIN_ID])"
|
|
" --os-project-domain-name "
|
|
"(env[OS_PROJECT_DOMAIN_NAME])"))
|
|
|
|
if not os_auth_url:
|
|
raise exc.CommandError(
|
|
"You must provide an auth url "
|
|
"via either --os-auth-url or env[OS_AUTH_URL]")
|
|
|
|
keystone_session = None
|
|
keystone_auth = None
|
|
if not auth_plugin:
|
|
project_id = args.os_project_id or args.os_tenant_id
|
|
project_name = args.os_project_name or args.os_tenant_name
|
|
|
|
keystone_session = (session.Session().
|
|
load_from_argparse_arguments(args))
|
|
keystone_auth = self._get_keystone_auth(
|
|
keystone_session,
|
|
args.os_auth_url,
|
|
username=args.os_username,
|
|
user_id=args.os_user_id,
|
|
user_domain_id=args.os_user_domain_id,
|
|
user_domain_name=args.os_user_domain_name,
|
|
password=args.os_password,
|
|
auth_token=args.os_auth_token,
|
|
project_id=project_id,
|
|
project_name=project_name,
|
|
project_domain_id=args.os_project_domain_id,
|
|
project_domain_name=args.os_project_domain_name)
|
|
|
|
self.cs = client.Client(username=os_username,
|
|
api_key=os_password,
|
|
project_id=os_tenant_id,
|
|
project_name=os_tenant_name,
|
|
auth_url=os_auth_url,
|
|
sahara_url=bypass_url,
|
|
endpoint_type=endpoint_type,
|
|
session=keystone_session,
|
|
auth=keystone_auth,
|
|
cacert=os_cacert,
|
|
insecure=insecure,
|
|
service_type=service_type,
|
|
region_name=region_name)
|
|
|
|
args.func(self.cs, args)
|
|
|
|
# TODO(mattf) - add get_timings support to Client
|
|
# if args.timings:
|
|
# self._dump_timings(self.cs.get_timings())
|
|
|
|
def _dump_timings(self, timings):
|
|
class Tyme(object):
|
|
def __init__(self, url, seconds):
|
|
self.url = url
|
|
self.seconds = seconds
|
|
results = [Tyme(url, end - start) for url, start, end in timings]
|
|
total = 0.0
|
|
for tyme in results:
|
|
total += tyme.seconds
|
|
results.append(Tyme("Total", total))
|
|
cliutils.print_list(results, ["url", "seconds"], sortby_index=None)
|
|
|
|
def do_bash_completion(self, _args):
|
|
"""Prints arguments for bash-completion.
|
|
|
|
Prints all of the commands and options to stdout so that the
|
|
sahara.bash_completion script doesn't have to hard code them.
|
|
"""
|
|
commands = set()
|
|
options = set()
|
|
for sc_str, sc in self.subcommands.items():
|
|
commands.add(sc_str)
|
|
for option in sc._optionals._option_string_actions.keys():
|
|
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():
|
|
warnings.simplefilter('once', category=DeprecationWarning)
|
|
warnings.warn('The sahara CLI is deprecated in favor of OpenStackClient '
|
|
'plugin and will not be maintained anymore. '
|
|
'For a Python library, continue using python-saharaclient.',
|
|
DeprecationWarning)
|
|
warnings.resetwarnings()
|
|
try:
|
|
argv = [encodeutils.safe_decode(a) for a in sys.argv[1:]]
|
|
OpenStackSaharaShell().main(argv)
|
|
|
|
except Exception as e:
|
|
logger.debug(e, exc_info=1)
|
|
print("ERROR: %s" % encodeutils.safe_encode(six.text_type(e)),
|
|
file=sys.stderr)
|
|
sys.exit(1)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|