from mininet.link import Link
+
from resources import *
from docker import DockerClient
import logging
self._images = dict()
self.nets = dict()
self.ports = dict()
+ self.port_pairs = dict()
+ self.port_pair_groups = dict()
+ self.flow_classifiers = dict()
+ self.port_chains = dict()
self.compute_nets = dict()
self.dcli = DockerClient(base_url='unix://var/run/docker.sock')
"""
LOG.debug("Starting new compute resources %s" % server.name)
network = list()
+ network_dict = dict()
for port_name in server.port_names:
network_dict = dict()
network_dict['ip'] = port.ip_address
network_dict[network_dict['id']] = self.find_network_by_name_or_id(port.net_name).name
network.append(network_dict)
+ # default network dict
+ if len(network) < 1:
+ network_dict['id'] = server.name + "-eth0"
+ network_dict[network_dict['id']] = network_dict['id']
+ network.append(network_dict)
+
self.compute_nets[server.name] = network
+ LOG.debug("Network dict: {}".format(network))
c = self.dc.startCompute(server.name, image=server.image, command=server.command,
- network=network, flavor_name=server.flavor)
+ network=network, flavor_name=server.flavor,
+ properties=server.properties)
server.emulator_compute = c
for intf in c.intfs.values():
LOG.debug("Stopping container %s with full name %s" % (server.name, server.full_name))
link_names = list()
for port_name in server.port_names:
- link_names.append(self.find_port_by_name_or_id(port_name).intf_name)
+ prt = self.find_port_by_name_or_id(port_name)
+ if prt is not None:
+ link_names.append(prt.intf_name)
my_links = self.dc.net.links
for link in my_links:
if str(link.intf1) in link_names:
if name_or_id in self.computeUnits:
return self.computeUnits[name_or_id]
+ if self._shorten_server_name(name_or_id) in self.computeUnits:
+ return self.computeUnits[name_or_id]
+
for server in self.computeUnits.values():
if server.name == name_or_id or server.template_name == name_or_id or server.full_name == name_or_id:
return server
+ if (server.name == self._shorten_server_name(name_or_id)
+ or server.template_name == self._shorten_server_name(name_or_id)
+ or server.full_name == self._shorten_server_name(name_or_id)):
+ return server
return None
def create_server(self, name, stack_operation=False):
"""
if self.find_server_by_name_or_id(name) is not None and not stack_operation:
raise Exception("Server with name %s already exists." % name)
- server = Server(name)
+ safe_name = self._shorten_server_name(name)
+ server = Server(safe_name)
server.id = str(uuid.uuid4())
if not stack_operation:
self.computeUnits[server.id] = server
return server
+ def _shorten_server_name(self, name, char_limit=9):
+ """
+ Docker does not like too long instance names.
+ This function provides a shorter name if needed
+ """
+ # fix for NetSoft'17 demo
+ # TODO remove this after the demo
+ if "http" in name or "apache" in name:
+ return "http"
+ elif "l4fw" in name or "socat" in name:
+ return "l4fw"
+ elif "proxy" in name or "squid" in name:
+ return "proxy"
+ # this is a ugly fix, but we cannot do better for now (interface names are to long)
+ if len(name) > char_limit:
+ LOG.info("Long server name: {}".format(name))
+ # construct a short name
+ name = name.strip("-_ .")
+ name = name.replace("_vnf", "")
+ p = name.split("_")
+ if len(p) > 0:
+ name = p[len(p)-1]
+ name = name[-char_limit:].strip("-_ .")
+ LOG.info("Short server name: {}".format(name))
+ return name
+
+
def delete_server(self, server):
"""
Deletes the given server from the stack dictionary and the computeUnits dictionary.
"""
port = self.find_port_by_name_or_id(name_or_id)
if port is None:
- raise Exception("Port with name or id %s does not exists." % name_or_id)
+ LOG.warning("Port with name or id %s does not exist. Can't delete it." % name_or_id)
+ return
my_links = self.dc.net.links
for link in my_links:
for stack in self.stacks.values():
stack.ports.pop(port.name, None)
+ def create_port_pair(self, name, stack_operation=False):
+ """
+ Creates a new port pair with the given name. Raises an exception when a port pair with the given name already
+ exists!
+
+ :param name: Name of the new port pair.
+ :type name: ``str``
+ :param stack_operation: Allows the heat parser to create modules without adapting the current emulation.
+ :type stack_operation: ``bool``
+ :return: Returns the created port pair.
+ :rtype: :class:`openstack.resources.port_pair`
+ """
+ port_pair = self.find_port_pair_by_name_or_id(name)
+ if port_pair is not None and not stack_operation:
+ logging.warning("Creating port pair with name %s failed, as it already exists" % name)
+ raise Exception("Port pair with name %s already exists." % name)
+ logging.debug("Creating port pair with name %s" % name)
+ port_pair = PortPair(name)
+ if not stack_operation:
+ self.port_pairs[port_pair.id] = port_pair
+ return port_pair
+
+ def find_port_pair_by_name_or_id(self, name_or_id):
+ """
+ Tries to find the port pair by ID and if this does not succeed then tries to find it via name.
+
+ :param name_or_id: UUID or name of the port pair.
+ :type name_or_id: ``str``
+ :return: Returns the port pair reference if it was found or None
+ :rtype: :class:`openstack.resources.port_pair`
+ """
+ if name_or_id in self.port_pairs:
+ return self.port_pairs[name_or_id]
+ for port_pair in self.port_pairs.values():
+ if port_pair.name == name_or_id:
+ return port_pair
+
+ return None
+
+ def delete_port_pair(self, name_or_id):
+ """
+ Deletes the given port pair. Raises an exception when the port pair was not found!
+
+ :param name_or_id: UUID or name of the port pair.
+ :type name_or_id: ``str``
+ """
+ port_pair = self.find_port_pair_by_name_or_id(name_or_id)
+ if port_pair is None:
+ raise Exception("Port pair with name or id %s does not exists." % name_or_id)
+
+ self.port_pairs.pop(port_pair.id, None)
+
+ def create_port_pair_group(self, name, stack_operation=False):
+ """
+ Creates a new port pair group with the given name. Raises an exception when a port pair group
+ with the given name already exists!
+
+ :param name: Name of the new port pair group.
+ :type name: ``str``
+ :param stack_operation: Allows the heat parser to create modules without adapting the current emulation.
+ :type stack_operation: ``bool``
+ :return: Returns the created port pair group .
+ :rtype: :class:`openstack.resources.port_pair_group`
+ """
+ port_pair_group = self.find_port_pair_group_by_name_or_id(name)
+ if port_pair_group is not None and not stack_operation:
+ logging.warning("Creating port pair group with name %s failed, as it already exists" % name)
+ raise Exception("Port pair group with name %s already exists." % name)
+ logging.debug("Creating port pair group with name %s" % name)
+ port_pair_group = PortPairGroup(name)
+ if not stack_operation:
+ self.port_pair_groups[port_pair_group.id] = port_pair_group
+ return port_pair_group
+
+ def find_port_pair_group_by_name_or_id(self, name_or_id):
+ """
+ Tries to find the port pair group by ID and if this does not succeed then tries to find it via name.
+
+ :param name_or_id: UUID or name of the port pair group.
+ :type name_or_id: ``str``
+ :return: Returns the port pair group reference if it was found or None
+ :rtype: :class:`openstack.resources.port_pair_group`
+ """
+ if name_or_id in self.port_pair_groups:
+ return self.port_pair_groups[name_or_id]
+ for port_pair_group in self.port_pair_groups.values():
+ if port_pair_group.name == name_or_id:
+ return port_pair_group
+
+ return None
+
+ def delete_port_pair_group(self, name_or_id):
+ """
+ Deletes the given port pair group. Raises an exception when the port pair group was not found!
+
+ :param name_or_id: UUID or name of the port pair group.
+ :type name_or_id: ``str``
+ """
+ port_pair_group = self.find_port_pair_group_by_name_or_id(name_or_id)
+ if port_pair_group is None:
+ raise Exception("Port pair with name or id %s does not exists." % name_or_id)
+
+ self.port_pair_groups.pop(port_pair_group.id, None)
+
+ def create_port_chain(self, name, stack_operation=False):
+ """
+ Creates a new port chain with the given name. Raises an exception when a port chain with the given name already
+ exists!
+
+ :param name: Name of the new port chain
+ :type name: ``str``
+ :param stack_operation: Allows the heat parser to create modules without adapting the current emulation.
+ :type stack_operation: ``bool``
+ :return: Returns the created port chain.
+ :rtype: :class:`openstack.resources.port_chain.PortChain`
+ """
+ port_chain = self.find_port_chain_by_name_or_id(name)
+ if port_chain is not None and not stack_operation:
+ logging.warning("Creating port chain with name %s failed, as it already exists" % name)
+ raise Exception("Port chain with name %s already exists." % name)
+ logging.debug("Creating port chain with name %s" % name)
+ port_chain = PortChain(name)
+ if not stack_operation:
+ self.port_chains[port_chain.id] = port_chain
+ return port_chain
+
+ def find_port_chain_by_name_or_id(self, name_or_id):
+ """
+ Tries to find the port chain by ID and if this does not succeed then tries to find it via name.
+
+ :param name_or_id: UUID or name of the port chain.
+ :type name_or_id: ``str``
+ :return: Returns the port chain reference if it was found or None
+ :rtype: :class:`openstack.resources.port_chain.PortChain`
+ """
+ if name_or_id in self.port_chains:
+ return self.port_chains[name_or_id]
+ for port_chain in self.port_chains.values():
+ if port_chain.name == name_or_id:
+ return port_chain
+ return None
+
+ def delete_port_chain(self, name_or_id):
+ """
+ Deletes the given port chain. Raises an exception when the port chain was not found!
+
+ :param name_or_id: UUID or name of the port chain.
+ :type name_or_id: ``str``
+ """
+ port_chain = self.find_port_chain_by_name_or_id(name_or_id)
+ port_chain.uninstall(self)
+ if port_chain is None:
+ raise Exception("Port chain with name or id %s does not exists." % name_or_id)
+
+ self.port_chains.pop(port_chain.id, None)
+
+ def create_flow_classifier(self, name, stack_operation=False):
+ """
+ Creates a new flow classifier with the given name. Raises an exception when a flow classifier with the given name already
+ exists!
+
+ :param name: Name of the new flow classifier.
+ :type name: ``str``
+ :param stack_operation: Allows the heat parser to create modules without adapting the current emulation.
+ :type stack_operation: ``bool``
+ :return: Returns the created flow classifier.
+ :rtype: :class:`openstack.resources.flow_classifier`
+ """
+ flow_classifier = self.find_flow_classifier_by_name_or_id(name)
+ if flow_classifier is not None and not stack_operation:
+ logging.warning("Creating flow classifier with name %s failed, as it already exists" % name)
+ raise Exception("Flow classifier with name %s already exists." % name)
+ logging.debug("Creating flow classifier with name %s" % name)
+ flow_classifier = FlowClassifier(name)
+ if not stack_operation:
+ self.flow_classifiers[flow_classifier.id] = flow_classifier
+ return flow_classifier
+
+ def find_flow_classifier_by_name_or_id(self, name_or_id):
+ """
+ Tries to find the flow classifier by ID and if this does not succeed then tries to find it via name.
+
+ :param name_or_id: UUID or name of the flow classifier.
+ :type name_or_id: ``str``
+ :return: Returns the flow classifier reference if it was found or None
+ :rtype: :class:`openstack.resources.flow_classifier`
+ """
+ if name_or_id in self.flow_classifiers:
+ return self.flow_classifiers[name_or_id]
+ for flow_classifier in self.flow_classifiers.values():
+ if flow_classifier.name == name_or_id:
+ return flow_classifier
+
+ return None
+
+ def delete_flow_classifier(self, name_or_id):
+ """
+ Deletes the given flow classifier. Raises an exception when the flow classifier was not found!
+
+ :param name_or_id: UUID or name of the flow classifier.
+ :type name_or_id: ``str``
+ """
+ flow_classifier = self.find_flow_classifier_by_name_or_id(name_or_id)
+ if flow_classifier is None:
+ raise Exception("Flow classifier with name or id %s does not exists." % name_or_id)
+
+ self.flow_classifiers.pop(flow_classifier.id, None)
+
def _add_link(self, node_name, ip_address, link_name, net_name):
"""
Adds a new link between datacenter switch and the node with the given name.
projects / osm / vim-emu.git / blobdiff