def __init__(self, ref, data, balancer):
""" Initialize the Machine.
@param ref: Remote reference to the ContainerClient in the
container process.
@type ref: twisted.spread.pb.RemoteReference
@param data: Data about the machine.
@type data: dict
@param balancer: Reference to the load balancer which is
responsible for this machine.
@type balancer: rce.core.machine.LoadBalancer
"""
self._ref = ref
self._size = data.get('size')
self._cpu = data.get('cpu')
self._memeory = data.get('memory')
self._bandwidth = data.get('bandwidth')
self._specialFeatures = data.get('specialFeatures')
ip = ref.broker.transport.getPeer().host
self._ip = getSettings().internal_IP if isLocalhost(ip) else ip
self._balancer = balancer
self._containers = set()
self._users = Counter()
def __init__(self, ref, data, balancer):
""" Initialize the Machine.
@param ref: Remote reference to the ContainerClient in the
container process.
@type ref: twisted.spread.pb.RemoteReference
@param data: Data about the machine.
@type data: dict
@param balancer: Reference to the load balancer which is
responsible for this machine.
@type balancer: rce.core.machine.LoadBalancer
"""
self._ref = ref
self._size = data.get('size')
self._cpu = data.get('cpu')
self._memeory = data.get('memory')
self._bandwidth = data.get('bandwidth')
self._specialFeatures = data.get('specialFeatures')
ip = ref.broker.transport.getPeer().host
self._ip = getSettings().internal_IP if isLocalhost(ip) else ip
self._balancer = balancer
self._containers = set()
self._users = Counter()
#
# 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.
#
# \author/s: Dominique Hunziker
#
#
# rce specific imports
from rce.util.settings import getSettings
settings = getSettings()
def isLocalhost(ip):
""" Check if the IP address matches the loopback address.
@param ip: IP address which should be checked
@type ip: str
@return: True if the address is the loopback address;
False otherwise.
@rtype: bool
"""
return ip in (settings.localhost_IP, 'localhost')
from cStringIO import StringIO, InputType, OutputType
from StringIO import StringIO as pyStringIO
def _checkIsStringIO(obj):
return isinstance(obj, (InputType, OutputType, pyStringIO))
except ImportError:
from StringIO import StringIO
def _checkIsStringIO(obj):
return isinstance(obj, StringIO)
# rce specific imports
from rce.util.error import InternalError
from rce.slave.interface import Interface, InvalidResoureName
from rce.util.settings import getSettings
settings = getSettings()
class ConversionError(Exception):
""" Exception is raised in case a ROS message could not be converted.
"""
class ServiceError(Exception):
""" Exception is raised in case a response message was received, but not
corresponding request is available.
"""
class _AbstractConverter(Interface):
""" Abstract base class which provides the basics for the robot-side
def cb(remote):
ip = remote.broker.transport.getPeer().host
ip = getSettings().internal_IP if isLocalhost(ip) else ip
return IPv4Address('TCP', ip, self._port)
