def completion_cache(self, cache_type, obj_class, mode):
"""
The completion cache store items that can be used for bash
autocompletion, like UUIDs.
A resource listing will clear and re-populate the cache.
A resource create will append to the cache.
Delete is not handled because listings are assumed to be performed
often enough to keep the cache reasonably up-to-date.
"""
base_dir = utils.env('K2ACLIENT_UUID_CACHE_DIR',
default="~/.k2aclient")
# NOTE(sirp): Keep separate UUID caches for each username + endpoint
# pair
username = utils.env('K2_USERNAME')
url = utils.env('K2_URL')
uniqifier = hashlib.md5(username + url).hexdigest()
cache_dir = os.path.expanduser(os.path.join(base_dir, uniqifier))
try:
os.makedirs(cache_dir, 0755)
except OSError:
# NOTE(kiall): This is typicaly either permission denied while
# attempting to create the directory, or the directory
# already exists. Either way, don't fail.
pass
resource = obj_class.__name__.lower()
filename = "%s-%s-cache" % (resource, cache_type.replace('_', '-'),)
path = os.path.join(cache_dir, filename)
cache_attr = "_%s_cache" % cache_type
try:
setattr(self, cache_attr, open(path, mode))
except IOError:
# NOTE(kiall): This is typicaly a permission denied while
# attempting to write the cache file.
pass
try:
yield
finally:
cache = getattr(self, cache_attr, None)
if cache:
cache.close()
delattr(self, cache_attr)
def get_base_parser(self):
parser = K2aClientArgumentParser(
prog='k2a',
description=__doc__.strip(),
epilog=_('See "k2a help COMMAND" '
'for help on a specific command.'),
add_help=False,
formatter_class=OpenStackHelpFormatter,
)
# Global arguments
parser.add_argument('-h', '--help',
action='store_true',
help=argparse.SUPPRESS)
# TODO :bh: add version that conform's w/ PowerVC
# parser.add_argument('--version',
# action='version',
# version=client.__version__)
parser.add_argument('--debug',
action='store_true',
default=utils.env('K2_DEBUG',
default=False),
help=_('Print debugging output'))
parser.add_argument('--api-version',
metavar='<api-ver>',
default=utils.env('K2A_API_VERSION',
default=DEFAULT_K2A_API_VERSION),
help=_('Accepts 1,defaults '
'to env[K2A_API_VERSION].'))
msg = _('Number of retries when attempting k2 operations.')
parser.add_argument('--retries',
metavar='<retries>',
type=int,
default=0,
help=msg)
parser.add_argument('--k2-url',
metavar='<k2-url>',
default=utils.env('K2_URL'),
help=_('url for k2 hmc, defaults '
'to env[K2_URL].'))
parser.add_argument('--k2-username',
metavar='<k2-username>',
default=utils.env('K2_USERNAME'),
help=_('k2 username, defaults '
'to env[K2_USERNAME].'))
parser.add_argument('--k2-password',
metavar='<k2-password>',
default=utils.env('K2_PASSWORD'),
help=_('k2 password, defaults '
'to env[K2_PASSWORD].'))
parser.add_argument('--k2-auditmemento',
metavar='<k2-auditmemento>',
default=utils.env('K2_AUDITMEMENTO',
default='k2a'),
help=_('k2 auditmemento, defaults '
'to, if set, env[K2_AUDITMEMENTO], '
'otherwise to "k2a".'))
parser.add_argument('--k2-certpath',
metavar='<k2-certpath>',
default=utils.env('K2_CERTPATH', default=None),
help=_('k2 certpath, defaults '
'to, if set, env[K2_CERTPATH], '
'otherwise to None.'))
parser.add_argument('--logdir',
metavar='<logdir>',
default=utils.env('K2A_LOGDIR', default=None),
help=_('log directory, defaults '
'to, if set, env[K2A_LOGDIR], '
'otherwise to None. None turns'
'off file logging'))
# parser.add_argument('--excdir',
# metavar='<excdir>',
# default=utils.env('K2A_EXCDIR', default=None),
# help='directory where k2aexc subdirectory'
# 'will be placed'
# 'ie "<excdir>/k2aexc", '
# 'defaults '
# 'to, if set, env[K2A_EXCDIR], '
# 'otherwise to None. None turns'
# 'off exception logging')
parser.add_argument('--excdir',
metavar='<excdir>',
default=utils.env('K2A_EXCDIR', default="/tmp"),
help=_('directory where k2aexc subdirectory'
'will be placed'
'ie "<excdir>/k2aexc", '
'defaults '
'to, if set, env[K2A_EXCDIR], '
'otherwise to /tmp'))
return parser
