294 lines
8.6 KiB
Python
294 lines
8.6 KiB
Python
# 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.
|
|
|
|
from __future__ import print_function
|
|
|
|
import os
|
|
import sys
|
|
import uuid
|
|
|
|
import prettytable
|
|
import six
|
|
|
|
from manilaclient import exceptions
|
|
from manilaclient.openstack.common import strutils
|
|
|
|
|
|
def arg(*args, **kwargs):
|
|
"""Decorator for CLI args."""
|
|
def _decorator(func):
|
|
add_arg(func, *args, **kwargs)
|
|
return func
|
|
return _decorator
|
|
|
|
|
|
def env(*vars, **kwargs):
|
|
"""Returns value of env var if exist.
|
|
|
|
Returns the first environment variable set if none are non-empty,
|
|
defaults to '' or keyword arg default.
|
|
"""
|
|
for v in vars:
|
|
value = os.environ.get(v, None)
|
|
if value:
|
|
return value
|
|
return kwargs.get('default', '')
|
|
|
|
|
|
def add_arg(f, *args, **kwargs):
|
|
"""Bind CLI arguments to a shell.py `do_foo` function."""
|
|
|
|
if not hasattr(f, 'arguments'):
|
|
f.arguments = []
|
|
|
|
# NOTE(sirp): avoid dups that can occur when the module is shared across
|
|
# tests.
|
|
if (args, kwargs) not in f.arguments:
|
|
# Because of the sematics of decorator composition if we just append
|
|
# to the options list positional options will appear to be backwards.
|
|
f.arguments.insert(0, (args, kwargs))
|
|
|
|
|
|
def add_resource_manager_extra_kwargs_hook(f, hook):
|
|
"""Adds hook to bind CLI arguments to ResourceManager calls.
|
|
|
|
The `do_foo` calls in shell.py will receive CLI args and then in turn pass
|
|
them through to the ResourceManager. Before passing through the args, the
|
|
hooks registered here will be called, giving us a chance to add extra
|
|
kwargs (taken from the command-line) to what's passed to the
|
|
ResourceManager.
|
|
"""
|
|
if not hasattr(f, 'resource_manager_kwargs_hooks'):
|
|
f.resource_manager_kwargs_hooks = []
|
|
|
|
names = [h.__name__ for h in f.resource_manager_kwargs_hooks]
|
|
if hook.__name__ not in names:
|
|
f.resource_manager_kwargs_hooks.append(hook)
|
|
|
|
|
|
def get_resource_manager_extra_kwargs(f, args, allow_conflicts=False):
|
|
"""Return extra_kwargs by calling resource manager kwargs hooks."""
|
|
hooks = getattr(f, "resource_manager_kwargs_hooks", [])
|
|
extra_kwargs = {}
|
|
for hook in hooks:
|
|
hook_name = hook.__name__
|
|
hook_kwargs = hook(args)
|
|
|
|
conflicting_keys = set(list(hook_kwargs)) & set(list(extra_kwargs))
|
|
if conflicting_keys and not allow_conflicts:
|
|
msg = ("Hook '%s' is attempting to redefine "
|
|
"attributes '%s'" % (hook_name, conflicting_keys))
|
|
raise Exception(msg)
|
|
|
|
extra_kwargs.update(hook_kwargs)
|
|
|
|
return extra_kwargs
|
|
|
|
|
|
def unauthenticated(f):
|
|
"""Adds 'unauthenticated' attribute to decorated function.
|
|
|
|
Usage:
|
|
@unauthenticated
|
|
def mymethod(f):
|
|
...
|
|
"""
|
|
f.unauthenticated = True
|
|
return f
|
|
|
|
|
|
def isunauthenticated(f):
|
|
"""Verifies whether function requires authentication or not.
|
|
|
|
Checks to see if the function is marked as not requiring authentication
|
|
with the @unauthenticated decorator.
|
|
Returns True if decorator is set to True, False otherwise.
|
|
"""
|
|
return getattr(f, 'unauthenticated', False)
|
|
|
|
|
|
def service_type(stype):
|
|
"""Adds 'service_type' attribute to decorated function.
|
|
|
|
Usage:
|
|
@service_type('share')
|
|
def mymethod(f):
|
|
...
|
|
"""
|
|
def inner(f):
|
|
f.service_type = stype
|
|
return f
|
|
return inner
|
|
|
|
|
|
def get_service_type(f):
|
|
"""Retrieves service type from function."""
|
|
return getattr(f, 'service_type', None)
|
|
|
|
|
|
def pretty_choice_list(l):
|
|
return ', '.join("'%s'" % i for i in l)
|
|
|
|
|
|
def _print(pt, order):
|
|
if sys.version_info >= (3, 0):
|
|
print(pt.get_string(sortby=order))
|
|
else:
|
|
print(strutils.safe_encode(pt.get_string(sortby=order)))
|
|
|
|
|
|
def print_list(objs, fields, formatters={}, order_by=None):
|
|
mixed_case_fields = ['serverId']
|
|
pt = prettytable.PrettyTable([f for f in fields], caching=False)
|
|
pt.aligns = ['l' for f in fields]
|
|
|
|
for o in objs:
|
|
row = []
|
|
for field in fields:
|
|
if field in formatters:
|
|
row.append(formatters[field](o))
|
|
else:
|
|
if field in mixed_case_fields:
|
|
field_name = field.replace(' ', '_')
|
|
else:
|
|
field_name = field.lower().replace(' ', '_')
|
|
data = getattr(o, field_name, '')
|
|
row.append(data)
|
|
pt.add_row(row)
|
|
|
|
if order_by is None:
|
|
order_by = fields[0]
|
|
|
|
_print(pt, order_by)
|
|
|
|
|
|
def print_dict(d, property="Property"):
|
|
pt = prettytable.PrettyTable([property, 'Value'], caching=False)
|
|
pt.aligns = ['l', 'l']
|
|
[pt.add_row(list(r)) for r in six.iteritems(d)]
|
|
_print(pt, property)
|
|
|
|
|
|
def find_resource(manager, name_or_id):
|
|
"""Helper for the _find_* methods."""
|
|
# first try to get entity as integer id
|
|
try:
|
|
if isinstance(name_or_id, int) or name_or_id.isdigit():
|
|
return manager.get(int(name_or_id))
|
|
except exceptions.NotFound:
|
|
pass
|
|
|
|
if sys.version_info <= (3, 0):
|
|
name_or_id = strutils.safe_decode(name_or_id)
|
|
|
|
# now try to get entity as uuid
|
|
try:
|
|
uuid.UUID(name_or_id)
|
|
return manager.get(name_or_id)
|
|
except (ValueError, exceptions.NotFound):
|
|
pass
|
|
|
|
try:
|
|
try:
|
|
return manager.find(human_id=name_or_id)
|
|
except exceptions.NotFound:
|
|
pass
|
|
|
|
# finally try to find entity by name
|
|
try:
|
|
return manager.find(name=name_or_id)
|
|
except exceptions.NotFound:
|
|
try:
|
|
return manager.find(display_name=name_or_id)
|
|
except (UnicodeDecodeError, exceptions.NotFound):
|
|
try:
|
|
# Volumes does not have name, but display_name
|
|
return manager.find(display_name=name_or_id)
|
|
except exceptions.NotFound:
|
|
msg = "No %s with a name or ID of '%s' exists." % \
|
|
(manager.resource_class.__name__.lower(), name_or_id)
|
|
raise exceptions.CommandError(msg)
|
|
except exceptions.NoUniqueMatch:
|
|
msg = ("Multiple %s matches found for '%s', use an ID to be more"
|
|
" specific." % (manager.resource_class.__name__.lower(),
|
|
name_or_id))
|
|
raise exceptions.CommandError(msg)
|
|
|
|
|
|
def find_share(cs, share):
|
|
"""Get a share by name or ID."""
|
|
return find_resource(cs.shares, share)
|
|
|
|
|
|
def _format_servers_list_networks(server):
|
|
output = []
|
|
for (network, addresses) in list(server.networks.items()):
|
|
if len(addresses) == 0:
|
|
continue
|
|
addresses_csv = ', '.join(addresses)
|
|
group = "%s=%s" % (network, addresses_csv)
|
|
output.append(group)
|
|
|
|
return '; '.join(output)
|
|
|
|
|
|
class HookableMixin(object):
|
|
"""Mixin so classes can register and run hooks."""
|
|
_hooks_map = {}
|
|
|
|
@classmethod
|
|
def add_hook(cls, hook_type, hook_func):
|
|
if hook_type not in cls._hooks_map:
|
|
cls._hooks_map[hook_type] = []
|
|
|
|
cls._hooks_map[hook_type].append(hook_func)
|
|
|
|
@classmethod
|
|
def run_hooks(cls, hook_type, *args, **kwargs):
|
|
hook_funcs = cls._hooks_map.get(hook_type) or []
|
|
for hook_func in hook_funcs:
|
|
hook_func(*args, **kwargs)
|
|
|
|
|
|
def safe_issubclass(*args):
|
|
"""Like issubclass, but will just return False if not a class."""
|
|
|
|
try:
|
|
if issubclass(*args):
|
|
return True
|
|
except TypeError:
|
|
pass
|
|
|
|
return False
|
|
|
|
|
|
def import_class(import_str):
|
|
"""Returns a class from a string including module and class."""
|
|
mod_str, _sep, class_str = import_str.rpartition('.')
|
|
__import__(mod_str)
|
|
return getattr(sys.modules[mod_str], class_str)
|
|
|
|
|
|
def make_metadata_dict(metadata):
|
|
"""Converts cli key=value data to python dict as {'key': 'value'}."""
|
|
metadata_dict = {}
|
|
for item in metadata:
|
|
try:
|
|
key, value = item.split('=')
|
|
except ValueError:
|
|
msg = "Wrong argument format: '%s'" % item
|
|
raise exceptions.CommandError(msg)
|
|
if 'password' in key:
|
|
value = value.strip('"').strip("'")
|
|
metadata_dict[key] = value
|
|
return metadata_dict
|