def format_labels(lbls, parse_comma=True):
'''Reformat labels into dict of format expected by the API.'''
if not lbls:
return {}
if parse_comma:
# expect multiple invocations of --labels but fall back
# to , delimited if only one --labels is specified
if len(lbls) == 1:
lbls = lbls[0].split(',')
labels = {}
for l in lbls:
try:
(k, v) = l.split(('='), 1)
except ValueError:
raise exc.CommandError(
_('labels must be a list of KEY=VALUE '
'not %s') % l)
if k not in labels:
labels[k] = v
else:
if not isinstance(labels[k], list):
labels[k] = [labels[k]]
labels[k].append(v)
return labels
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()
def do_help(self, args):
"""Display help about this program or one of its subcommands."""
# NOTE(jamespage): args.command is not guaranteed with python >= 3.4
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()
def args_array_to_patch(op, attributes):
patch = []
for attr in attributes:
# Sanitize
if not attr.startswith('/'):
attr = '/' + attr
if op in ['add', 'replace']:
path, value = split_and_deserialize(attr)
patch.append({'op': op, 'path': path, 'value': value})
elif op == "remove":
# For remove only the key is needed
patch.append({'op': op, 'path': attr})
else:
raise exc.CommandError(_('Unknown PATCH operation: %s') % op)
return patch
def split_and_deserialize(string):
"""Split and try to JSON deserialize a string.
Gets a string with the KEY=VALUE format, split it (using '=' as the
separator) and try to JSON deserialize the VALUE.
:returns: A tuple of (key, value).
"""
try:
key, value = string.split("=", 1)
except ValueError:
raise exc.CommandError(
_('Attributes must be a list of '
'PATH=VALUE not "%s"') % string)
try:
value = json.loads(value)
except ValueError:
pass
return (key, value)
def main(self, argv):
# Parse args once to find version and debug settings
parser = self.get_base_parser()
(options, args) = parser.parse_known_args(argv)
self.setup_debugging(options.debug)
# NOTE(dtroyer): Hackery to handle --endpoint_type due to argparse
# thinking usage-list --end is ambiguous; but it
# works fine with only --endpoint-type present
# Go figure.
if '--endpoint_type' in argv:
spot = argv.index('--endpoint_type')
argv[spot] = '--endpoint-type'
subcommand_parser = (self.get_subcommand_parser(
options.magnum_api_version))
self.parser = subcommand_parser
if options.help or not argv:
subcommand_parser.print_help()
return 0
args = subcommand_parser.parse_args(argv)
# Short-circuit and deal with help right away.
# NOTE(jamespage): args.func is not guaranteed with python >= 3.4
if not hasattr(args, 'func') or args.func == self.do_help:
self.do_help(args)
return 0
elif args.func == self.do_bash_completion:
self.do_bash_completion(args)
return 0
(os_username, os_tenant_name, os_tenant_id, os_auth_url,
os_auth_system, endpoint_type, service_type,
bypass_url) = ((args.os_username, args.os_tenant_name,
args.os_tenant_id, args.os_auth_url,
args.os_auth_system, args.endpoint_type,
args.service_type, args.bypass_url))
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_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:
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]")
# NOTE: The Magnum 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
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')
try:
client = {
'1': client_v1,
}[options.magnum_api_version]
except KeyError:
client = client_v1
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,
service_type=service_type,
region_name=args.os_region_name,
magnum_url=bypass_url)
args.func(self.cs, args)
def find_resource(manager, name_or_id, **find_args):
"""Look for resource in a given manager.
Used as a helper for the _find_* methods.
Example:
.. code-block:: python
def _find_hypervisor(cs, hypervisor):
#Get a hypervisor by name or ID.
return cliutils.find_resource(cs.hypervisors, hypervisor)
"""
# first try to get entity as integer id
try:
return manager.get(int(name_or_id))
except (TypeError, ValueError, exceptions.NotFound):
pass
# now try to get entity as uuid
try:
if six.PY2:
tmp_id = encodeutils.safe_encode(name_or_id)
else:
tmp_id = encodeutils.safe_decode(name_or_id)
if uuidutils.is_uuid_like(tmp_id):
return manager.get(tmp_id)
except (TypeError, ValueError, exceptions.NotFound):
pass
# for str id which is not uuid
if getattr(manager, 'is_alphanum_id_allowed', False):
try:
return manager.get(name_or_id)
except exceptions.NotFound:
pass
try:
try:
return manager.find(human_id=name_or_id, **find_args)
except exceptions.NotFound:
pass
# finally try to find entity by name
try:
resource = getattr(manager, 'resource_class', None)
name_attr = resource.NAME_ATTR if resource else 'name'
kwargs = {name_attr: name_or_id}
kwargs.update(find_args)
return manager.find(**kwargs)
except exceptions.NotFound:
msg = _("No %(name)s with a name or "
"ID of '%(name_or_id)s' exists.") % \
{
"name": manager.resource_class.__name__.lower(),
"name_or_id": name_or_id
}
raise exceptions.CommandError(msg)
except exceptions.NoUniqueMatch:
msg = _("Multiple %(name)s matches found for "
"'%(name_or_id)s', use an ID to be more specific.") % \
{
"name": manager.resource_class.__name__.lower(),
"name_or_id": name_or_id
}
raise exceptions.CommandError(msg)