def completion_cache(self, cache_type, obj_class, mode):
"""
The completion cache store items that can be used for bash
autocompletion, like UUIDs or human-friendly IDs.
A resource listing will clear and repopulate 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('NOVACLIENT_UUID_CACHE_DIR',
default="~/.novaclient")
# NOTE(sirp): Keep separate UUID caches for each username + endpoint
# pair
username = utils.env('OS_USERNAME', 'NOVA_USERNAME')
url = utils.env('OS_URL', 'NOVA_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 completion_cache(self, cache_type, obj_class, mode):
"""
The completion cache store items that can be used for bash
autocompletion, like UUIDs or human-friendly IDs.
A resource listing will clear and repopulate 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('NOVACLIENT_UUID_CACHE_DIR',
default="~/.novaclient")
# NOTE(sirp): Keep separate UUID caches for each username + endpoint
# pair
username = utils.env('OS_USERNAME', 'NOVA_USERNAME')
url = utils.env('OS_URL', 'NOVA_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 = RackDNSClientArgumentParser(
prog='rackdns',
description=__doc__.strip(),
epilog='See "rackdns help COMMAND" '\
'for help on a specific command.',
add_help=False,
formatter_class=RackDNSHelpFormatter,
)
# Global arguments
parser.add_argument('-h', '--help',
action='store_true',
help=argparse.SUPPRESS,
)
parser.add_argument('--version',
action='version',
version=dnsclient.__version__)
parser.add_argument('--debug',
default=False,
action='store_true',
help="Print debugging output")
parser.add_argument('--os-username',
metavar='<auth-user-name>',
default=utils.env('OS_USERNAME', 'NOVA_USERNAME'),
help='Defaults to env[OS_USERNAME].')
parser.add_argument('--os_username',
help=argparse.SUPPRESS)
parser.add_argument('--os-password',
metavar='<auth-password>',
default=utils.env('OS_PASSWORD', 'NOVA_PASSWORD'),
help='Defaults to env[OS_PASSWORD].')
parser.add_argument('--os_password',
help=argparse.SUPPRESS)
parser.add_argument('--os-tenant-name',
metavar='<auth-tenant-name>',
default=utils.env('OS_TENANT_NAME', 'NOVA_PROJECT_ID'),
help='Defaults to env[OS_TENANT_NAME].')
parser.add_argument('--os_tenant_name',
help=argparse.SUPPRESS)
parser.add_argument('--os-auth-url',
metavar='<auth-url>',
default=utils.env('OS_AUTH_URL', 'NOVA_URL'),
help='Defaults to env[OS_AUTH_URL].')
parser.add_argument('--os_auth_url',
help=argparse.SUPPRESS)
parser.add_argument('--no-cache',
default=utils.env('OS_NO_CACHE', default=False),
action='store_true',
help="Don't use the auth token cache.")
parser.add_argument('--no_cache',
help=argparse.SUPPRESS)
parser.add_argument('--insecure',
default=utils.env('NOVACLIENT_INSECURE', default=False),
action='store_true',
help="Explicitly allow dnsclient to perform \"insecure\" "
"SSL (https) requests. The server's certificate will "
"not be verified against any certificate authorities. "
"This option should be used with caution.")
# alias for --os-password, left in for backwards compatibility
parser.add_argument('--apikey', '--password', dest='apikey',
default=utils.env('NOVA_API_KEY'),
help=argparse.SUPPRESS)
return parser
def get_base_parser(self):
parser = RackDNSClientArgumentParser(
prog='rackdns',
description=__doc__.strip(),
epilog='See "rackdns help COMMAND" '\
'for help on a specific command.',
add_help=False,
formatter_class=RackDNSHelpFormatter,
)
# Global arguments
parser.add_argument(
'-h',
'--help',
action='store_true',
help=argparse.SUPPRESS,
)
parser.add_argument('--version',
action='version',
version=dnsclient.__version__)
parser.add_argument('--debug',
default=False,
action='store_true',
help="Print debugging output")
parser.add_argument('--os-username',
metavar='<auth-user-name>',
default=utils.env('OS_USERNAME', 'NOVA_USERNAME'),
help='Defaults to env[OS_USERNAME].')
parser.add_argument('--os_username', help=argparse.SUPPRESS)
parser.add_argument('--os-password',
metavar='<auth-password>',
default=utils.env('OS_PASSWORD', 'NOVA_PASSWORD'),
help='Defaults to env[OS_PASSWORD].')
parser.add_argument('--os_password', help=argparse.SUPPRESS)
parser.add_argument('--os-tenant-name',
metavar='<auth-tenant-name>',
default=utils.env('OS_TENANT_NAME',
'NOVA_PROJECT_ID'),
help='Defaults to env[OS_TENANT_NAME].')
parser.add_argument('--os_tenant_name', help=argparse.SUPPRESS)
parser.add_argument('--os-auth-url',
metavar='<auth-url>',
default=utils.env('OS_AUTH_URL', 'NOVA_URL'),
help='Defaults to env[OS_AUTH_URL].')
parser.add_argument('--os_auth_url', help=argparse.SUPPRESS)
parser.add_argument('--no-cache',
default=utils.env('OS_NO_CACHE', default=False),
action='store_true',
help="Don't use the auth token cache.")
parser.add_argument('--no_cache', help=argparse.SUPPRESS)
parser.add_argument(
'--insecure',
default=utils.env('NOVACLIENT_INSECURE', default=False),
action='store_true',
help="Explicitly allow dnsclient to perform \"insecure\" "
"SSL (https) requests. The server's certificate will "
"not be verified against any certificate authorities. "
"This option should be used with caution.")
# alias for --os-password, left in for backwards compatibility
parser.add_argument('--apikey',
'--password',
dest='apikey',
default=utils.env('NOVA_API_KEY'),
help=argparse.SUPPRESS)
return parser
