702 lines
27 KiB
Python
702 lines
27 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy
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# 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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###
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# This code is taken from python-zunclient. Goal is minimal modification.
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###
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"""
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Command-line interface to the OpenStack Gyan 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 os
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import sys
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from oslo_utils import encodeutils
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from oslo_utils import importutils
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from oslo_utils import strutils
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import six
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profiler = importutils.try_import("osprofiler.profiler")
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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 gyanclient import api_versions
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from gyanclient import client as base_client
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from gyanclient.common.apiclient import auth
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from gyanclient.common import cliutils
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from gyanclient import exceptions as exc
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from gyanclient.i18n import _
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from gyanclient.v1 import shell as shell_v1
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from gyanclient import version
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DEFAULT_API_VERSION = api_versions.DEFAULT_API_VERSION
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DEFAULT_ENDPOINT_TYPE = 'publicURL'
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DEFAULT_SERVICE_TYPE = 'ml-infra'
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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("gyanclient_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('gyanclient_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('gyanclient_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('gyanclient_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 GyanClientArgumentParser(argparse.ArgumentParser):
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def __init__(self, *args, **kwargs):
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super(GyanClientArgumentParser, 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 OpenStackGyanShell(object):
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def get_base_parser(self):
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parser = GyanClientArgumentParser(
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prog='gyan',
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description=__doc__.strip(),
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epilog='See "gyan 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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parser.add_argument('--os-region-name',
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metavar='<region-name>',
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default=os.environ.get('OS_REGION_NAME'),
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help='Region name. Default=env[OS_REGION_NAME].')
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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('--os-project-id',
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metavar='<auth-project-id>',
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default=cliutils.env('OS_PROJECT_ID',
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default=None),
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help='Defaults to env[OS_PROJECT_ID].')
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parser.add_argument('--os-project-name',
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metavar='<auth-project-name>',
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default=cliutils.env('OS_PROJECT_NAME',
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default=None),
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help='Defaults to env[OS_PROJECT_NAME].')
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parser.add_argument('--os-user-domain-id',
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metavar='<auth-user-domain-id>',
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default=cliutils.env('OS_USER_DOMAIN_ID'),
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help='Defaults to env[OS_USER_DOMAIN_ID].')
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parser.add_argument('--os-user-domain-name',
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metavar='<auth-user-domain-name>',
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default=cliutils.env('OS_USER_DOMAIN_NAME'),
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help='Defaults to env[OS_USER_DOMAIN_NAME].')
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parser.add_argument('--os-project-domain-id',
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metavar='<auth-project-domain-id>',
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default=cliutils.env('OS_PROJECT_DOMAIN_ID'),
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help='Defaults to env[OS_PROJECT_DOMAIN_ID].')
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parser.add_argument('--os-project-domain-name',
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metavar='<auth-project-domain-name>',
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default=cliutils.env('OS_PROJECT_DOMAIN_NAME'),
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help='Defaults to env[OS_PROJECT_DOMAIN_NAME].')
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parser.add_argument('--service-type',
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metavar='<service-type>',
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help='Defaults to ml 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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parser.add_argument('--endpoint-type',
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metavar='<endpoint-type>',
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default=cliutils.env(
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'OS_ENDPOINT_TYPE',
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default=DEFAULT_ENDPOINT_TYPE),
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help='Defaults to env[OS_ENDPOINT_TYPE] or '
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+ DEFAULT_ENDPOINT_TYPE + '.')
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parser.add_argument('--gyan-api-version',
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metavar='<gyan-api-ver>',
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default=cliutils.env(
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'GYAN_API_VERSION',
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default=DEFAULT_API_VERSION),
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help='Accepts X, X.Y (where X is major, Y is minor'
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' part), defaults to env[GYAN_API_VERSION].')
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parser.add_argument('--gyan_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('--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('--insecure',
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default=cliutils.env('GYANCLIENT_INSECURE',
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default=False),
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action='store_true',
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help="Do not verify https connections")
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if profiler:
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parser.add_argument('--profile',
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metavar='HMAC_KEY',
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default=cliutils.env('OS_PROFILE',
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default=None),
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help='HMAC key to use for encrypting context '
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'data for performance profiling of '
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'operation. This key should be the '
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'value of the HMAC key configured for '
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'the OSprofiler middleware in gyan; it '
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'is specified in the Gyan configuration '
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'file at "/etc/gyan/gyan.conf". Without '
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'the key, profiling functions will not '
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'be triggered even if OSprofiler is '
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'enabled on the server side.')
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# The auth-system-plugins might require some extra options
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auth.load_auth_system_opts(parser)
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return parser
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def get_subcommand_parser(self, version, do_help=False):
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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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actions_modules = shell_v1.COMMAND_MODULES
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for action_modules in actions_modules:
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self._find_actions(subparsers, action_modules, version, do_help)
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self._find_actions(subparsers, self, version, do_help)
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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, version, do_help):
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msg = _(" (Supported by API versions '%(start)s' - '%(end)s')")
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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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if hasattr(callback, "versioned"):
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subs = api_versions.get_substitutions(callback)
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if do_help:
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desc += msg % {'start': subs[0].start_version.get_string(),
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'end': subs[-1].end_version.get_string()}
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else:
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for versioned_method in subs:
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if version.matches(versioned_method.start_version,
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versioned_method.end_version):
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callback = versioned_method.func
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break
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else:
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continue
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action_help = desc.strip()
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exclusive_args = getattr(callback, 'exclusive_args', {})
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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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self._add_subparser_args(subparser, arguments, version, do_help,
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msg)
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self._add_subparser_exclusive_args(subparser, exclusive_args,
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version, do_help, msg)
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subparser.set_defaults(func=callback)
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def _add_subparser_exclusive_args(self, subparser, exclusive_args,
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version, do_help, msg):
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for group_name, arguments in exclusive_args.items():
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if group_name == '__required__':
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continue
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required = exclusive_args['__required__'][group_name]
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exclusive_group = subparser.add_mutually_exclusive_group(
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required=required)
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self._add_subparser_args(exclusive_group, arguments,
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version, do_help, msg)
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def _add_subparser_args(self, subparser, arguments, version, do_help, msg):
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for (args, kwargs) in arguments:
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start_version = kwargs.get("start_version", None)
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if start_version:
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start_version = api_versions.APIVersion(start_version)
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end_version = kwargs.get("end_version", None)
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if end_version:
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end_version = api_versions.APIVersion(end_version)
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else:
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end_version = api_versions.APIVersion(
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"%s.latest" % start_version.ver_major)
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if do_help:
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kwargs["help"] = kwargs.get("help", "") + (msg % {
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"start": start_version.get_string(),
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"end": end_version.get_string()})
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else:
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if not version.matches(start_version, end_version):
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continue
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kw = kwargs.copy()
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kw.pop("start_version", None)
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kw.pop("end_version", None)
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subparser.add_argument(*args, **kwargs)
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def setup_debugging(self, debug):
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if debug:
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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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else:
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streamformat = "%(levelname)s %(message)s"
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logging.basicConfig(level=logging.CRITICAL,
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format=streamformat)
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def main(self, argv):
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argv = list(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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api_version = api_versions.get_api_version(options.gyan_api_version)
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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 = self.get_subcommand_parser(
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api_version, do_help=("help" in args))
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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 not hasattr(args, 'func') or args.func == self.do_help:
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self.do_help(args)
|
|
return 0
|
|
elif args.func == self.do_bash_completion:
|
|
self.do_bash_completion(args)
|
|
return 0
|
|
|
|
(os_username, os_project_name, os_project_id,
|
|
os_user_domain_id, os_user_domain_name,
|
|
os_project_domain_id, os_project_domain_name,
|
|
os_auth_url, os_auth_system, endpoint_type,
|
|
service_type, bypass_url, insecure, os_cacert) = (
|
|
(args.os_username, args.os_project_name, args.os_project_id,
|
|
args.os_user_domain_id, args.os_user_domain_name,
|
|
args.os_project_domain_id, args.os_project_domain_name,
|
|
args.os_auth_url, args.os_auth_system, args.endpoint_type,
|
|
args.service_type, args.bypass_url, args.insecure,
|
|
args.os_cacert)
|
|
)
|
|
|
|
if os_auth_system and os_auth_system != "keystone":
|
|
auth_plugin = auth.load_plugin(os_auth_system)
|
|
else:
|
|
auth_plugin = None
|
|
|
|
# Fetched and set later as needed
|
|
os_password = None
|
|
|
|
if not endpoint_type:
|
|
endpoint_type = DEFAULT_ENDPOINT_TYPE
|
|
|
|
if not service_type:
|
|
service_type = DEFAULT_SERVICE_TYPE
|
|
|
|
# NA - there is only one service this CLI accesses
|
|
# service_type = utils.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 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_project_name and not os_project_id:
|
|
raise exc.CommandError("You must provide a project name "
|
|
"or project id via --os-project-name, "
|
|
"--os-project-id, env[OS_PROJECT_NAME] "
|
|
"or env[OS_PROJECT_ID]")
|
|
|
|
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]")
|
|
|
|
# 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
|
|
if (auth_plugin and auth_plugin.opts and
|
|
"os_password" not in auth_plugin.opts):
|
|
use_pw = False
|
|
else:
|
|
use_pw = True
|
|
|
|
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 = args.os_password
|
|
if not os_password:
|
|
raise exc.CommandError(
|
|
'Expecting a password provided via either '
|
|
'--os-password, env[OS_PASSWORD], or '
|
|
'prompted response')
|
|
|
|
client = base_client
|
|
|
|
kwargs = {}
|
|
if profiler:
|
|
kwargs["profile"] = args.profile
|
|
|
|
self.cs = client.Client(version=api_version,
|
|
username=os_username,
|
|
password=os_password,
|
|
project_id=os_project_id,
|
|
project_name=os_project_name,
|
|
user_domain_id=os_user_domain_id,
|
|
user_domain_name=os_user_domain_name,
|
|
project_domain_id=os_project_domain_id,
|
|
project_domain_name=os_project_domain_name,
|
|
auth_url=os_auth_url,
|
|
service_type=service_type,
|
|
region_name=args.os_region_name,
|
|
endpoint_override=bypass_url,
|
|
interface=endpoint_type,
|
|
insecure=insecure,
|
|
cacert=os_cacert,
|
|
**kwargs)
|
|
|
|
args.func(self.cs, args)
|
|
|
|
if profiler and args.profile:
|
|
trace_id = profiler.get().get_base_id()
|
|
print("To display trace use the command:\n\n"
|
|
" osprofiler trace show --html %s " % trace_id)
|
|
|
|
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
|
|
gyan.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."""
|
|
command = getattr(args, 'command', '')
|
|
if 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:
|
|
return OpenStackGyanShell().main(
|
|
map(encodeutils.safe_decode, sys.argv[1:]))
|
|
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__":
|
|
sys.exit(main())
|