X-Git-Url: https://osm.etsi.org/gitweb/?p=osm%2Fvim-emu.git;a=blobdiff_plain;f=src%2Femuvim%2Fapi%2Fopenstack%2Fcompute.py;h=38796cf559497c13663bd729a5218835e01bbeed;hp=45cef598ebbe4dc4e78ad458c396d714269289d9;hb=3f2f5653a81e404c68df5cc6807ba7e82a061361;hpb=23b02744af93adbcd5d9f0a67dc781c889975dd4 diff --git a/src/emuvim/api/openstack/compute.py b/src/emuvim/api/openstack/compute.py old mode 100644 new mode 100755 index 45cef59..38796cf --- a/src/emuvim/api/openstack/compute.py +++ b/src/emuvim/api/openstack/compute.py @@ -1,4 +1,5 @@ from mininet.link import Link + from resources import * from docker import DockerClient import logging @@ -8,6 +9,9 @@ import time import ip_handler as IP +LOG = logging.getLogger("api.openstack.compute") + + class HeatApiStackInvalidException(Exception): """ Exception thrown when a submitted stack is invalid. @@ -38,6 +42,10 @@ class OpenstackCompute(object): 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') @@ -95,25 +103,25 @@ class OpenstackCompute(object): for server in stack.servers.values(): for port_name in server.port_names: if port_name not in stack.ports: - logging.warning("Server %s of stack %s has a port named %s that is not known." % + LOG.warning("Server %s of stack %s has a port named %s that is not known." % (server.name, stack.stack_name, port_name)) everything_ok = False if server.image is None: - logging.warning("Server %s holds no image." % (server.name)) + LOG.warning("Server %s holds no image." % (server.name)) everything_ok = False if server.command is None: - logging.warning("Server %s holds no command." % (server.name)) + LOG.warning("Server %s holds no command." % (server.name)) everything_ok = False for port in stack.ports.values(): if port.net_name not in stack.nets: - logging.warning("Port %s of stack %s has a network named %s that is not known." % + LOG.warning("Port %s of stack %s has a network named %s that is not known." % (port.name, stack.stack_name, port.net_name)) everything_ok = False if port.intf_name is None: - logging.warning("Port %s has no interface name." % (port.name)) + LOG.warning("Port %s has no interface name." % (port.name)) everything_ok = False if port.ip_address is None: - logging.warning("Port %s has no IP address." % (port.name)) + LOG.warning("Port %s has no IP address." % (port.name)) everything_ok = False for router in stack.routers.values(): for subnet_name in router.subnet_names: @@ -123,7 +131,7 @@ class OpenstackCompute(object): found = True break if not found: - logging.warning("Router %s of stack %s has a network named %s that is not known." % + LOG.warning("Router %s of stack %s has a network named %s that is not known." % (router.name, stack.stack_name, subnet_name)) everything_ok = False return everything_ok @@ -208,6 +216,7 @@ class OpenstackCompute(object): * *False*: else :rtype: ``bool`` """ + LOG.debug("updating stack {} with new_stack {}".format(old_stack_id, new_stack)) if old_stack_id not in self.stacks: return False old_stack = self.stacks[old_stack_id] @@ -399,7 +408,7 @@ class OpenstackCompute(object): :param server: Specifies the compute resource. :type server: :class:`heat.resources.server` """ - logging.debug("Starting new compute resources %s" % server.name) + LOG.debug("Starting new compute resources %s" % server.name) network = list() for port_name in server.port_names: @@ -412,7 +421,8 @@ class OpenstackCompute(object): network.append(network_dict) self.compute_nets[server.name] = 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(): @@ -447,7 +457,7 @@ class OpenstackCompute(object): :param server: The server that should be removed :type server: ``heat.resources.server`` """ - logging.debug("Stopping container %s with full name %s" % (server.name, server.full_name)) + 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) @@ -476,9 +486,16 @@ class OpenstackCompute(object): 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): @@ -495,12 +512,25 @@ class OpenstackCompute(object): """ 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=64): + """ + Docker does not like too long instance names. + This function provides a shorter name if needed + """ + LOG.debug("Long server name: {}".format(name)) + if len(name) > char_limit: + # construct a short name + name = name[-char_limit:].strip("-_ .") + LOG.debug("Short server name: {}".format(name)) + return name + def delete_server(self, server): """ Deletes the given server from the stack dictionary and the computeUnits dictionary. @@ -553,9 +583,9 @@ class OpenstackCompute(object): :type stack_operation: ``bool`` :return: :class:`heat.resources.net` """ - logging.debug("Creating network with name %s" % name) + LOG.debug("Creating network with name %s" % name) if self.find_network_by_name_or_id(name) is not None and not stack_operation: - logging.warning("Creating network with name %s failed, as it already exists" % name) + LOG.warning("Creating network with name %s failed, as it already exists" % name) raise Exception("Network with name %s already exists." % name) network = Net(name) network.id = str(uuid.uuid4()) @@ -593,9 +623,9 @@ class OpenstackCompute(object): """ port = self.find_port_by_name_or_id(name) if port is not None and not stack_operation: - logging.warning("Creating port with name %s failed, as it already exists" % name) + LOG.warning("Creating port with name %s failed, as it already exists" % name) raise Exception("Port with name %s already exists." % name) - logging.debug("Creating port with name %s" % name) + LOG.debug("Creating port with name %s" % name) port = Port(name) if not stack_operation: self.ports[port.id] = port @@ -641,6 +671,214 @@ class OpenstackCompute(object): 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.