print datacenter connected switch

[osm/vim-emu.git] / src / emuvim / dcemulator / node.py

diff --git a/src/emuvim/dcemulator/node.py b/src/emuvim/dcemulator/node.py
index 94d047b..8219761 100755 (executable)
--- a/src/emuvim/dcemulator/node.py
+++ b/src/emuvim/dcemulator/node.py
@@ -1,14 +1,38 @@
 """
 """

-Distributed Cloud Emulator (dcemulator)
-(c) 2015 by Manuel Peuster <manuel.peuster@upb.de>
+Copyright (c) 2015 SONATA-NFV and Paderborn University
+ALL RIGHTS RESERVED.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    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.
+
+Neither the name of the SONATA-NFV [, ANY ADDITIONAL AFFILIATION]
+nor the names of its contributors may be used to endorse or promote
+products derived from this software without specific prior written
+permission.
+
+This work has been performed in the framework of the SONATA project,
+funded by the European Commission under Grant number 671517 through
+the Horizon 2020 and 5G-PPP programmes. The authors would like to
+acknowledge the contributions of their colleagues of the SONATA
+partner consortium (www.sonata-nfv.eu).

 """
 from mininet.node import Docker
 from mininet.link import Link
 """
 from mininet.node import Docker
 from mininet.link import Link

+from emuvim.dcemulator.resourcemodel import NotEnoughResourcesAvailable

 import logging
 import time
 import json
 
 import logging
 import time
 import json
 

-LOG = logging.getLogger("dcemulator")
+LOG = logging.getLogger("dcemulator.node")

 LOG.setLevel(logging.DEBUG)
 
 
 LOG.setLevel(logging.DEBUG)
 
 


@@ -18,7 +42,7 @@ DCDPID_BASE = 1000  # start of switch dpid's used for data center switches
 class EmulatorCompute(Docker):
     """
     Emulator specific compute node class.
 class EmulatorCompute(Docker):
     """
     Emulator specific compute node class.

-    Inherits from Dockernet's Docker host class.
+    Inherits from Containernet's Docker host class.

     Represents a single container connected to a (logical)
     data center.
     We can add emulator specific helper functions to it.
     Represents a single container connected to a (logical)
     data center.
     We can add emulator specific helper functions to it.


@@ -37,9 +61,17 @@ class EmulatorCompute(Docker):
         Helper method to receive information about the virtual networks
         this compute instance is connected to.
         """
         Helper method to receive information about the virtual networks
         this compute instance is connected to.
         """

-        # format list of tuples (name, Ip, MAC, isUp, status)
-        return [(str(i), i.IP(), i.MAC(), i.isUp(), i.status())
-                for i in self.intfList()]
+        # get all links and find dc switch interface
+        networkStatusList = []
+        for i in self.intfList():
+            vnf_name = self.name
+            vnf_interface = str(i)
+            dc_port_name = self.datacenter.net.find_connected_dc_interface(vnf_name, vnf_interface)
+            # format list of tuples (name, Ip, MAC, isUp, status, dc_portname)
+            intf_dict = {'intf_name': str(i), 'ip': i.IP(), 'mac': i.MAC(), 'up': i.isUp(), 'status': i.status(), 'dc_portname': dc_port_name}
+            networkStatusList.append(intf_dict)
+
+        return networkStatusList

 
     def getStatus(self):
         """
 
     def getStatus(self):
         """


@@ -48,7 +80,9 @@ class EmulatorCompute(Docker):
         status = {}
         status["name"] = self.name
         status["network"] = self.getNetworkStatus()
         status = {}
         status["name"] = self.name
         status["network"] = self.getNetworkStatus()

+        status["docker_network"] = self.dcinfo['NetworkSettings']['IPAddress']

         status["image"] = self.dimage
         status["image"] = self.dimage

+        status["flavor_name"] = self.flavor_name

         status["cpu_quota"] = self.cpu_quota
         status["cpu_period"] = self.cpu_period
         status["cpu_shares"] = self.cpu_shares
         status["cpu_quota"] = self.cpu_quota
         status["cpu_period"] = self.cpu_period
         status["cpu_shares"] = self.cpu_shares


@@ -131,7 +165,7 @@ class Datacenter(object):
             raise Exception("Container with name %s already exists." % name)
         # set default parameter
         if image is None:
             raise Exception("Container with name %s already exists." % name)
         # set default parameter
         if image is None:

-            image = "ubuntu"
+            image = "ubuntu:trusty"

         if network is None:
             network = {}  # {"ip": "10.0.0.254/8"}
         if isinstance(network, dict):
         if network is None:
             network = {}  # {"ip": "10.0.0.254/8"}
         if isinstance(network, dict):


@@ -151,35 +185,27 @@ class Datacenter(object):
 
         # apply resource limits to container if a resource model is defined
         if self._resource_model is not None:
 
         # apply resource limits to container if a resource model is defined
         if self._resource_model is not None:

-            self._resource_model.allocate(d)
+            try:
+                self._resource_model.allocate(d)
+                self._resource_model.write_allocation_log(d, self.resource_log_path)
+            except NotEnoughResourcesAvailable as ex:
+                LOG.warning("Allocation of container %r was blocked by resource model." % name)
+                LOG.info(ex.message)
+                # ensure that we remove the container
+                self.net.removeDocker(name)
+                return None

 
         # connect all given networks
         # if no --net option is given, network = [{}], so 1 empty dict in the list
         # this results in 1 default interface with a default ip address
         for nw in network:
 
         # connect all given networks
         # if no --net option is given, network = [{}], so 1 empty dict in the list
         # this results in 1 default interface with a default ip address
         for nw in network:

-            # TODO we cannot use TCLink here (see: https://github.com/mpeuster/dockernet/issues/3)
-            self.net.addLink(d, self.switch, params1=nw, cls=Link)
+            # clean up network configuration (e.g. RTNETLINK does not allow ':' in intf names
+            if nw.get("id") is not None:
+                nw["id"] = self._clean_ifname(nw["id"])
+            # TODO we cannot use TCLink here (see: https://github.com/mpeuster/containernet/issues/3)
+            self.net.addLink(d, self.switch, params1=nw, cls=Link, intfName1=nw.get('id'))

         # do bookkeeping
         self.containers[name] = d
         # do bookkeeping
         self.containers[name] = d

-
-        # TODO re-enable logging
-        """
-        # write resource log if a path is given
-        if self.resource_log_path is not None:
-            l = dict()
-            l["t"] = time.time()
-            l["name"] = name
-            l["compute"] = d.getStatus()
-            l["flavor_name"] = flavor_name
-            l["action"] = "allocate"
-            l["cpu_limit"] = cpu_limit
-            l["mem_limit"] = mem_limit
-            l["disk_limit"] = disk_limit
-            l["rm_state"] = None if self._resource_model is None else self._resource_model.get_state_dict()
-            # append to logfile
-            with open(self.resource_log_path, "a") as f:
-                f.write("%s\n" % json.dumps(l))
-        """

         return d  # we might use UUIDs for naming later on
 
     def stopCompute(self, name):
         return d  # we might use UUIDs for naming later on
 
     def stopCompute(self, name):


@@ -191,9 +217,14 @@ class Datacenter(object):
             raise Exception("Container with name %s not found." % name)
         LOG.debug("Stopping compute instance %r in data center %r" % (name, str(self)))
 
             raise Exception("Container with name %s not found." % name)
         LOG.debug("Stopping compute instance %r in data center %r" % (name, str(self)))
 

+        #  stop the monitored metrics
+        if self.net.monitor_agent is not None:
+            self.net.monitor_agent.stop_metric(name)
+

         # call resource model and free resources
         if self._resource_model is not None:
             self._resource_model.free(self.containers[name])
         # call resource model and free resources
         if self._resource_model is not None:
             self._resource_model.free(self.containers[name])

+            self._resource_model.write_free_log(self.containers[name], self.resource_log_path)

 
         # remove links
         self.net.removeLink(
 
         # remove links
         self.net.removeLink(


@@ -203,23 +234,6 @@ class Datacenter(object):
         self.net.removeDocker("%s" % (name))
         del self.containers[name]
 
         self.net.removeDocker("%s" % (name))
         del self.containers[name]
 

-        # TODO re-enable logging
-        """
-        # write resource log if a path is given
-        if self.resource_log_path is not None:
-            l = dict()
-            l["t"] = time.time()
-            l["name"] = name
-            l["flavor_name"] = None
-            l["action"] = "free"
-            l["cpu_limit"] = -1
-            l["mem_limit"] = -1
-            l["disk_limit"] = -1
-            l["rm_state"] = None if self._resource_model is None else self._resource_model.get_state_dict()
-            # append to logfile
-            with open(self.resource_log_path, "a") as f:
-                f.write("%s\n" % json.dumps(l))
-        """

         return True
 
     def listCompute(self):
         return True
 
     def listCompute(self):


@@ -253,3 +267,19 @@ class Datacenter(object):
         self.net.rm_registrar.register(self, rm)
         LOG.info("Assigned RM: %r to DC: %r" % (rm, self))
 
         self.net.rm_registrar.register(self, rm)
         LOG.info("Assigned RM: %r to DC: %r" % (rm, self))
 

+    @staticmethod
+    def _clean_ifname(name):
+        """
+        Cleans up given string to be a
+        RTNETLINK compatible interface name.
+        :param name: string
+        :return: string
+        """
+        if name is None:
+            return "if0"
+        name = name.replace(":", "-")
+        name = name.replace(" ", "-")
+        name = name.replace(".", "-")
+        name = name.replace("_", "-")
+        return name
+