def check_string_length(value, name=None, min_length=0, max_length=None):
"""Check the length of specified string
:param value: the value of the string
:param name: the name of the string
:param min_length: the min_length of the string
:param max_length: the max_length of the string
"""
if not isinstance(value, six.string_types):
if name is None:
msg = _("The input is not a string or unicode")
else:
msg = _("%s is not a string or unicode") % name
raise exception.InvalidInput(message=msg)
if name is None:
name = value
if len(value) < min_length:
msg = _("%(name)s has a minimum character requirement of "
"%(min_length)s.") % {'name': name, 'min_length': min_length}
raise exception.InvalidInput(message=msg)
if max_length and len(value) > max_length:
msg = _("%(name)s has more than %(max_length)s "
"characters.") % {'name': name, 'max_length': max_length}
raise exception.InvalidInput(message=msg)
def _validate_type(self, input, type, str_input):
if not isinstance(input, list):
reason = _("Invalid type for %s") % str_input
raise exception.InvalidInput(reason=reason)
for i in input:
if not isinstance(i, type):
reason = _("Invalid type for %s entry") % str_input
raise exception.InvalidInput(reason=reason)
def create_entry(self, name, address, type, domain):
if type.lower() != 'a':
raise exception.InvalidInput(_("This driver only supports "
"type 'a' entries."))
dEntry = DomainEntry(self.lobj, domain)
dEntry.add_entry(name, address)
def _address_to_hosts(self, addresses):
"""Iterate over hosts within an address range.
If an explicit range specifier is missing, the parameter is
interpreted as a specific individual address.
"""
try:
return [netaddr.IPAddress(addresses)]
except ValueError:
net = netaddr.IPNetwork(addresses)
if net.size < 4:
reason = _("/%s should be specified as single address(es) "
"not in cidr format") % net.prefixlen
raise exception.InvalidInput(reason=reason)
else:
return net.iter_hosts()
except netaddr.AddrFormatError as exc:
raise exception.InvalidInput(reason=six.text_type(exc))
def __init__(self, name, app, host='0.0.0.0', port=0, pool_size=None,
protocol=eventlet.wsgi.HttpProtocol, backlog=128,
use_ssl=False, max_url_len=None):
"""Initialize, but do not start, a WSGI server.
:param name: Pretty name for logging.
:param app: The WSGI application to serve.
:param host: IP address to serve the application.
:param port: Port number to server the application.
:param pool_size: Maximum number of eventlets to spawn concurrently.
:param backlog: Maximum number of queued connections.
:param max_url_len: Maximum length of permitted URLs.
:returns: None
:raises: compute.exception.InvalidInput
"""
# Allow operators to customize http requests max header line size.
eventlet.wsgi.MAX_HEADER_LINE = CONF.max_header_line
self.name = name
self.app = app
self._server = None
self._protocol = protocol
self.pool_size = pool_size or self.default_pool_size
self._pool = eventlet.GreenPool(self.pool_size)
self._logger = logging.getLogger("compute.%s.wsgi.server" % self.name)
self._use_ssl = use_ssl
self._max_url_len = max_url_len
self.client_socket_timeout = CONF.client_socket_timeout or None
if backlog < 1:
raise exception.InvalidInput(
reason=_('The backlog must be more than 0'))
bind_addr = (host, port)
# TODO(dims): eventlet's green dns/socket module does not actually
# support IPv6 in getaddrinfo(). We need to get around this in the
# future or monitor upstream for a fix
try:
info = socket.getaddrinfo(bind_addr[0],
bind_addr[1],
socket.AF_UNSPEC,
socket.SOCK_STREAM)[0]
family = info[0]
bind_addr = info[-1]
except Exception:
family = socket.AF_INET
try:
self._socket = eventlet.listen(bind_addr, family, backlog=backlog)
except EnvironmentError:
LOG.error(_LE("Could not bind to %(host)s:%(port)s"),
{'host': host, 'port': port})
raise
(self.host, self.port) = self._socket.getsockname()[0:2]
LOG.info(_LI("%(name)s listening on %(host)s:%(port)s"),
{'name': self.name, 'host': self.host, 'port': self.port})
def _verify_resources(self, resources):
resource_keys = [
"vcpus", "memory_mb", "local_gb", "cpu_info", "vcpus_used",
"memory_mb_used", "local_gb_used", "numa_topology"
]
missing_keys = [k for k in resource_keys if k not in resources]
if missing_keys:
reason = _("Missing keys: %s") % missing_keys
raise exception.InvalidInput(reason=reason)
def validate_integer(value, name, min_value=None, max_value=None):
"""Make sure that value is a valid integer, potentially within range."""
try:
value = int(str(value))
except (ValueError, UnicodeEncodeError):
msg = _('%(value_name)s must be an integer')
raise exception.InvalidInput(reason=(
msg % {'value_name': name}))
if min_value is not None:
if value < min_value:
msg = _('%(value_name)s must be >= %(min_value)d')
raise exception.InvalidInput(
reason=(msg % {'value_name': name,
'min_value': min_value}))
if max_value is not None:
if value > max_value:
msg = _('%(value_name)s must be <= %(max_value)d')
raise exception.InvalidInput(
reason=(
msg % {'value_name': name,
'max_value': max_value})
)
return value
def is_all_tenants(search_opts):
"""Checks to see if the all_tenants flag is in search_opts
:param dict search_opts: The search options for a request
:returns: boolean indicating if all_tenants are being requested or not
"""
all_tenants = search_opts.get('all_tenants')
if all_tenants:
try:
all_tenants = strutils.bool_from_string(all_tenants, True)
except ValueError as err:
raise exception.InvalidInput(six.text_type(err))
else:
# The empty string is considered enabling all_tenants
all_tenants = 'all_tenants' in search_opts
return all_tenants
def wrapper(self, ctx, *args, **kwargs):
try:
res = method(self, ctx, *args, **kwargs)
except (cinder_exception.ConnectionError,
keystone_exception.ConnectionError):
exc_type, exc_value, exc_trace = sys.exc_info()
exc_value = exception.CinderConnectionFailed(
reason=six.text_type(exc_value))
six.reraise(exc_value, None, exc_trace)
except (keystone_exception.BadRequest, cinder_exception.BadRequest):
exc_type, exc_value, exc_trace = sys.exc_info()
exc_value = exception.InvalidInput(reason=six.text_type(exc_value))
six.reraise(exc_value, None, exc_trace)
except (keystone_exception.Forbidden, cinder_exception.Forbidden):
exc_type, exc_value, exc_trace = sys.exc_info()
exc_value = exception.Forbidden(message=six.text_type(exc_value))
six.reraise(exc_value, None, exc_trace)
return res
def create(name,
memory,
vcpus,
root_gb,
ephemeral_gb=0,
flavorid=None,
swap=0,
rxtx_factor=1.0,
is_public=True):
"""Creates flavors."""
if not flavorid:
flavorid = uuid.uuid4()
kwargs = {
'memory_mb': memory,
'vcpus': vcpus,
'root_gb': root_gb,
'ephemeral_gb': ephemeral_gb,
'swap': swap,
'rxtx_factor': rxtx_factor,
}
if isinstance(name, six.string_types):
name = name.strip()
# ensure name do not exceed 255 characters
utils.check_string_length(name, 'name', min_length=1, max_length=255)
# ensure name does not contain any special characters
valid_name = parameter_types.valid_name_regex_obj.search(name)
if not valid_name:
msg = _("Flavor names can only contain printable characters "
"and horizontal spaces.")
raise exception.InvalidInput(reason=msg)
# NOTE(vish): Internally, flavorid is stored as a string but it comes
# in through json as an integer, so we convert it here.
flavorid = six.text_type(flavorid)
# ensure leading/trailing whitespaces not present.
if flavorid.strip() != flavorid:
msg = _("id cannot contain leading and/or trailing whitespace(s)")
raise exception.InvalidInput(reason=msg)
# ensure flavor id does not exceed 255 characters
utils.check_string_length(flavorid, 'id', min_length=1, max_length=255)
# ensure flavor id does not contain any special characters
valid_flavor_id = VALID_ID_REGEX.search(flavorid)
if not valid_flavor_id:
msg = _("Flavor id can only contain letters from A-Z (both cases), "
"periods, dashes, underscores and spaces.")
raise exception.InvalidInput(reason=msg)
# NOTE(wangbo): validate attributes of the creating flavor.
# ram and vcpus should be positive ( > 0) integers.
# disk, ephemeral and swap should be non-negative ( >= 0) integers.
flavor_attributes = {
'memory_mb': ('ram', 1),
'vcpus': ('vcpus', 1),
'root_gb': ('disk', 0),
'ephemeral_gb': ('ephemeral', 0),
'swap': ('swap', 0)
}
for key, value in flavor_attributes.items():
kwargs[key] = utils.validate_integer(kwargs[key], value[0], value[1],
db.MAX_INT)
# rxtx_factor should be a positive float
try:
kwargs['rxtx_factor'] = float(kwargs['rxtx_factor'])
if (kwargs['rxtx_factor'] <= 0
or kwargs['rxtx_factor'] > SQL_SP_FLOAT_MAX):
raise ValueError()
except ValueError:
msg = (_("'rxtx_factor' argument must be a float between 0 and %g") %
SQL_SP_FLOAT_MAX)
raise exception.InvalidInput(reason=msg)
kwargs['name'] = name
kwargs['flavorid'] = flavorid
# ensure is_public attribute is boolean
try:
kwargs['is_public'] = strutils.bool_from_string(is_public, strict=True)
except ValueError:
raise exception.InvalidInput(reason=_("is_public must be a boolean"))
flavor = objects.Flavor(context=context.get_admin_context(), **kwargs)
flavor.create()
return flavor
def validate_extra_spec_keys(key_names_list):
for key_name in key_names_list:
if not VALID_EXTRASPEC_NAME_REGEX.match(key_name):
expl = _('Key Names can only contain alphanumeric characters, '
'periods, dashes, underscores, colons and spaces.')
raise exception.InvalidInput(message=expl)
def _new_ingress_rule(ip_protocol,
from_port,
to_port,
group_id=None,
cidr=None):
values = {}
if group_id:
values['group_id'] = group_id
# Open everything if an explicit port range or type/code are not
# specified, but only if a source group was specified.
ip_proto_upper = ip_protocol.upper() if ip_protocol else ''
if (ip_proto_upper == 'ICMP' and from_port is None
and to_port is None):
from_port = -1
to_port = -1
elif (ip_proto_upper in ['TCP', 'UDP'] and from_port is None
and to_port is None):
from_port = 1
to_port = 65535
elif cidr:
values['cidr'] = cidr
if ip_protocol and from_port is not None and to_port is not None:
ip_protocol = str(ip_protocol)
try:
# Verify integer conversions
from_port = int(from_port)
to_port = int(to_port)
except ValueError:
if ip_protocol.upper() == 'ICMP':
raise exception.InvalidInput(reason=_(
"Type and"
" Code must be integers for ICMP protocol type"))
else:
raise exception.InvalidInput(reason=_("To and From ports "
"must be integers"))
if ip_protocol.upper() not in ['TCP', 'UDP', 'ICMP']:
raise exception.InvalidIpProtocol(protocol=ip_protocol)
# Verify that from_port must always be less than
# or equal to to_port
if (ip_protocol.upper() in ['TCP', 'UDP']
and (from_port > to_port)):
raise exception.InvalidPortRange(from_port=from_port,
to_port=to_port,
msg="Former value cannot"
" be greater than the later")
# Verify valid TCP, UDP port ranges
if (ip_protocol.upper() in ['TCP', 'UDP']
and (from_port < 1 or to_port > 65535)):
raise exception.InvalidPortRange(from_port=from_port,
to_port=to_port,
msg="Valid %s ports should"
" be between 1-65535" %
ip_protocol.upper())
# Verify ICMP type and code
if (ip_protocol.upper() == "ICMP"
and (from_port < -1 or from_port > 255 or to_port < -1
or to_port > 255)):
raise exception.InvalidPortRange(from_port=from_port,
to_port=to_port,
msg="For ICMP, the"
" type:code must be valid")
values['protocol'] = ip_protocol
values['from_port'] = from_port
values['to_port'] = to_port
else:
# If cidr based filtering, protocol and ports are mandatory
if cidr:
return None
return values