Client for the IoTronic service.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
python-iotronicclient/iotronicclient/shell.py

448 lines
18 KiB

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
Command-line interface to the Iotronic API.
"""
from __future__ import print_function
import argparse
import getpass
import logging
import os
import pkgutil
import re
import sys
from keystoneauth1.loading import session as kasession
from oslo_utils import encodeutils
from oslo_utils import importutils
import six
import iotronicclient
from iotronicclient.common.apiclient import exceptions
from iotronicclient.common import cliutils
from iotronicclient.common import http
from iotronicclient.common.i18n import _
from iotronicclient.common import utils
from iotronicclient import exc
LATEST_API_VERSION = ('1', 'latest')
class IotronicShell(object):
def get_base_parser(self):
parser = argparse.ArgumentParser(
prog='iotronic',
description=__doc__.strip(),
epilog=_('See "iotronic help COMMAND" '
'for help on a specific command.'),
add_help=False,
formatter_class=HelpFormatter,
)
# Register global Keystone args first so their defaults are respected.
# See https://bugs.launchpad.net/python-iotronicclient/+bug/1463581
kasession.register_argparse_arguments(parser)
# Global arguments
parser.add_argument('-h', '--help',
action='store_true',
help=argparse.SUPPRESS,
)
parser.add_argument('--version',
action='version',
version=iotronicclient.__version__)
parser.add_argument('--debug',
default=bool(cliutils.env('IOTRONICCLIENT_DEBUG')),
action='store_true',
help=_('Defaults to env[IOTRONICCLIENT_DEBUG]'))
parser.add_argument('--json',
default=False,
action='store_true',
help=_('Print JSON response without formatting.'))
parser.add_argument('-v', '--verbose',
default=False, action="store_true",
help=_('Print more verbose output'))
# for backward compatibility only
parser.add_argument('--cert-file',
dest='os_cert',
help=_('DEPRECATED! Use --os-cert.'))
# for backward compatibility only
parser.add_argument('--key-file',
dest='os_key',
help=_('DEPRECATED! Use --os-key.'))
# for backward compatibility only
parser.add_argument('--ca-file',
dest='os_cacert',
help=_('DEPRECATED! Use --os-cacert.'))
parser.add_argument('--os-username',
default=cliutils.env('OS_USERNAME'),
help=_('Defaults to env[OS_USERNAME]'))
parser.add_argument('--os_username',
help=argparse.SUPPRESS)
parser.add_argument('--os-password',
default=cliutils.env('OS_PASSWORD'),
help=_('Defaults to env[OS_PASSWORD]'))
parser.add_argument('--os_password',
help=argparse.SUPPRESS)
parser.add_argument('--os-tenant-id',
default=cliutils.env('OS_TENANT_ID'),
help=_('Defaults to env[OS_TENANT_ID]'))
parser.add_argument('--os_tenant_id',
help=argparse.SUPPRESS)
parser.add_argument('--os-tenant-name',
default=cliutils.env('OS_TENANT_NAME'),
help=_('Defaults to env[OS_TENANT_NAME]'))
parser.add_argument('--os_tenant_name',
help=argparse.SUPPRESS)
parser.add_argument('--os-auth-url',
default=cliutils.env('OS_AUTH_URL'),
help=_('Defaults to env[OS_AUTH_URL]'))
parser.add_argument('--os_auth_url',
help=argparse.SUPPRESS)
parser.add_argument('--os-region-name',
default=cliutils.env('OS_REGION_NAME'),
help=_('Defaults to env[OS_REGION_NAME]'))
parser.add_argument('--os_region_name',
help=argparse.SUPPRESS)
parser.add_argument('--os-auth-token',
default=cliutils.env('OS_AUTH_TOKEN'),
help=_('Defaults to env[OS_AUTH_TOKEN]'))
parser.add_argument('--os_auth_token',
help=argparse.SUPPRESS)
parser.add_argument('--iotronic-url',
default=cliutils.env('IOTRONIC_URL'),
help=_('Defaults to env[IOTRONIC_URL]'))
parser.add_argument('--iotronic_url',
help=argparse.SUPPRESS)
parser.add_argument('--iotronic-api-version',
default=cliutils.env(
'IOTRONIC_API_VERSION', default='1'),
help=_('Accepts 1.x (where "x" is microversion) '
'or "latest", Defaults to '
'env[IOTRONIC_API_VERSION] or 1'))
parser.add_argument('--iotronic_api_version',
help=argparse.SUPPRESS)
parser.add_argument('--os-service-type',
default=cliutils.env('OS_SERVICE_TYPE'),
help=_('Defaults to env[OS_SERVICE_TYPE] or '
'"iot"'))
parser.add_argument('--os_service_type',
help=argparse.SUPPRESS)
parser.add_argument('--os-endpoint',
dest='iotronic_url',
default=cliutils.env('OS_SERVICE_ENDPOINT'),
help=_('Specify an endpoint to use instead of '
'retrieving one from the service catalog '
'(via authentication). '
'Defaults to env[OS_SERVICE_ENDPOINT].'))
parser.add_argument('--os_endpoint',
dest='iotronic_url',
help=argparse.SUPPRESS)
parser.add_argument('--os-endpoint-type',
default=cliutils.env('OS_ENDPOINT_TYPE'),
help=_('Defaults to env[OS_ENDPOINT_TYPE] or '
'"publicURL"'))
parser.add_argument('--os_endpoint_type',
help=argparse.SUPPRESS)
parser.add_argument('--os-user-domain-id',
default=cliutils.env('OS_USER_DOMAIN_ID'),
help=_('Defaults to env[OS_USER_DOMAIN_ID].'))
parser.add_argument('--os-user-domain-name',
default=cliutils.env('OS_USER_DOMAIN_NAME'),
help=_('Defaults to env[OS_USER_DOMAIN_NAME].'))
parser.add_argument('--os-project-id',
default=cliutils.env('OS_PROJECT_ID'),
help=_('Another way to specify tenant ID. '
'This option is mutually exclusive with '
' --os-tenant-id. '
'Defaults to env[OS_PROJECT_ID].'))
parser.add_argument('--os-project-name',
default=cliutils.env('OS_PROJECT_NAME'),
help=_('Another way to specify tenant name. '
'This option is mutually exclusive with '
' --os-tenant-name. '
'Defaults to env[OS_PROJECT_NAME].'))
parser.add_argument('--os-project-domain-id',
default=cliutils.env('OS_PROJECT_DOMAIN_ID'),
help=_('Defaults to env[OS_PROJECT_DOMAIN_ID].'))
parser.add_argument('--os-project-domain-name',
default=cliutils.env('OS_PROJECT_DOMAIN_NAME'),
help=_('Defaults to env[OS_PROJECT_DOMAIN_NAME].'))
msg = _('Maximum number of retries in case of conflict error '
'(HTTP 409). Defaults to env[IOTRONIC_MAX_RETRIES] or %d. '
'Use 0 to disable retrying.') % http.DEFAULT_MAX_RETRIES
parser.add_argument('--max-retries', type=int, help=msg,
default=cliutils.env(
'IOTRONIC_MAX_RETRIES',
default=str(http.DEFAULT_MAX_RETRIES)))
msg = _('Amount of time (in seconds) between retries '
'in case of conflict error (HTTP 409). '
'Defaults to env[IOTRONIC_RETRY_INTERVAL] '
'or %d.') % http.DEFAULT_RETRY_INTERVAL
parser.add_argument('--retry-interval', type=int, help=msg,
default=cliutils.env(
'IOTRONIC_RETRY_INTERVAL',
default=str(http.DEFAULT_RETRY_INTERVAL)))
return parser
def get_available_major_versions(self):
matcher = re.compile(r"^v[0-9]+$")
submodules = pkgutil.iter_modules([os.path.dirname(__file__)])
available_versions = [name[1:] for loader, name, ispkg in submodules
if matcher.search(name)]
return available_versions
def get_subcommand_parser(self, version):
parser = self.get_base_parser()
self.subcommands = {}
subparsers = parser.add_subparsers(metavar='<subcommand>',
dest='subparser_name')
try:
submodule = importutils.import_versioned_module('iotronicclient',
version, 'shell')
except ImportError as e:
msg = _("Invalid client version '%(version)s'. "
"Major part must be one of: '%(major)s'") % {
"version": version,
"major": ", ".join(self.get_available_major_versions())}
raise exceptions.UnsupportedVersion(
_('%(message)s, error was: %(error)s') %
{'message': msg, 'error': e})
submodule.enhance_parser(parser, subparsers, self.subcommands)
utils.define_commands_from_module(subparsers, self, self.subcommands)
return parser
def _setup_debugging(self, debug):
if debug:
logging.basicConfig(
format="%(levelname)s (%(module)s:%(lineno)d) %(message)s",
level=logging.DEBUG)
else:
logging.basicConfig(
format="%(levelname)s %(message)s",
level=logging.CRITICAL)
def do_bash_completion(self):
"""Prints all of the commands and options for bash-completion."""
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')
print(' '.join(commands | options))
def _check_version(self, api_version):
if api_version == 'latest':
return LATEST_API_VERSION
else:
try:
versions = tuple(int(i) for i in api_version.split('.'))
except ValueError:
versions = ()
if len(versions) == 1:
# Default value of iotronic_api_version is '1'.
# If user not specify the value of api version, not passing
# headers at all.
os_iotronic_api_version = None
elif len(versions) == 2:
os_iotronic_api_version = api_version
# In the case of '1.0'
if versions[1] == 0:
os_iotronic_api_version = None
else:
msg = _("The requested API version %(ver)s is an unexpected "
"format. Acceptable formats are 'X', 'X.Y', or the "
"literal string '%(latest)s'."
) % {'ver': api_version, 'latest': 'latest'}
raise exc.CommandError(msg)
api_major_version = versions[0]
return (api_major_version, os_iotronic_api_version)
def main(self, argv):
# Parse args once to find version
parser = self.get_base_parser()
(options, args) = parser.parse_known_args(argv)
self._setup_debugging(options.debug)
# build available subcommands based on version
(api_major_version, os_iotronic_api_version) = (
self._check_version(options.iotronic_api_version))
subcommand_parser = self.get_subcommand_parser(api_major_version)
self.parser = subcommand_parser
# Handle top-level --help/-h before attempting to parse
# a command off the command line
if options.help or not argv:
self.do_help(options)
return 0
# Parse args again and call whatever callback was selected
args = subcommand_parser.parse_args(argv)
# Short-circuit and deal with these commands 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()
return 0
if not (args.os_auth_token and (args.iotronic_url or args.os_auth_url)
):
if not args.os_username:
raise exc.CommandError(_("You must provide a username via "
"either --os-username or via "
"env[OS_USERNAME]"))
if not args.os_password:
# No password, If we've got a tty, try prompting for it
if hasattr(sys.stdin, 'isatty') and sys.stdin.isatty():
# Check for Ctl-D
try:
args.os_password = getpass.getpass(
'OpenStack Password: ')
except EOFError:
pass
# No password because we didn't have a tty or the
# user Ctl-D when prompted.
if not args.os_password:
raise exc.CommandError(_("You must provide a password via "
"either --os-password, "
"env[OS_PASSWORD], "
"or prompted response"))
if not (args.os_tenant_id or args.os_tenant_name or
args.os_project_id or args.os_project_name):
raise exc.CommandError(
_("You must provide a project name or"
" project id via --os-project-name, --os-project-id,"
" env[OS_PROJECT_ID] or env[OS_PROJECT_NAME]. You may"
" use os-project and os-tenant interchangeably."))
if not args.os_auth_url:
raise exc.CommandError(_("You must provide an auth url via "
"either --os-auth-url or via "
"env[OS_AUTH_URL]"))
if args.max_retries < 0:
raise exc.CommandError(_("You must provide value >= 0 for "
"--max-retries"))
if args.retry_interval < 1:
raise exc.CommandError(_("You must provide value >= 1 for "
"--retry-interval"))
client_args = (
'os_auth_token', 'iotronic_url', 'os_username', 'os_password',
'os_auth_url', 'os_project_id', 'os_project_name', 'os_tenant_id',
'os_tenant_name', 'os_region_name', 'os_user_domain_id',
'os_user_domain_name', 'os_project_domain_id',
'os_project_domain_name', 'os_service_type', 'os_endpoint_type',
'os_cacert', 'os_cert', 'os_key', 'max_retries', 'retry_interval',
'timeout', 'insecure'
)
kwargs = {}
for key in client_args:
kwargs[key] = getattr(args, key)
kwargs['os_iotronic_api_version'] = os_iotronic_api_version
client = iotronicclient.client.get_client(api_major_version, **kwargs)
try:
args.func(client, args)
except exc.Unauthorized:
raise exc.CommandError(_("Invalid OpenStack Identity credentials"))
except exc.CommandError as e:
subcommand_parser = self.subcommands[args.subparser_name]
subcommand_parser.error(e)
@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 getattr(args, 'command', None):
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()
class HelpFormatter(argparse.HelpFormatter):
def start_section(self, heading):
super(HelpFormatter, self).start_section(heading.capitalize())
def main():
try:
IotronicShell().main(sys.argv[1:])
except KeyboardInterrupt:
print(_("... terminating iotronic client"), file=sys.stderr)
return 130
except Exception as e:
print(encodeutils.safe_encode(six.text_type(e)), file=sys.stderr)
return 1
if __name__ == "__main__":
sys.exit(main())