Merge pull request #191 from xschlef/custom-paths

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

diff --git a/src/emuvim/dcemulator/node.py b/src/emuvim/dcemulator/node.py
index 3258a9f..a0112cf 100755 (executable)
--- a/src/emuvim/dcemulator/node.py
+++ b/src/emuvim/dcemulator/node.py
@@ -1,6 +1,29 @@
 """
-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
@@ -9,7 +32,7 @@ import logging
 import time
 import json
 
-LOG = logging.getLogger("dcemulator")
+LOG = logging.getLogger("dcemulator.node")
 LOG.setLevel(logging.DEBUG)
 
 
@@ -19,7 +42,7 @@ DCDPID_BASE = 1000  # start of switch dpid's used for data center switches
 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.
@@ -82,7 +105,7 @@ class Datacenter(object):
         self.name = "dc%d" % Datacenter.DC_COUNTER
         Datacenter.DC_COUNTER += 1
         # use this for user defined names that can be longer than self.name
-        self.label = label  
+        self.label = label
         # dict to store arbitrary metadata (e.g. latitude and longitude)
         self.metadata = metadata
         # path to which resource information should be logged (e.g. for experiments). None = no logging
@@ -117,7 +140,7 @@ class Datacenter(object):
     def start(self):
         pass
 
-    def startCompute(self, name, image=None, command=None, network=None, flavor_name="tiny"):
+    def startCompute(self, name, image=None, command=None, network=None, flavor_name="tiny", **params):
         """
         Create a new container as compute resource and connect it to this
         data center.
@@ -149,7 +172,8 @@ class Datacenter(object):
             dimage=image,
             dcmd=command,
             datacenter=self,
-            flavor_name=flavor_name
+            flavor_name=flavor_name,
+            **params
         )
 
         # apply resource limits to container if a resource model is defined
@@ -168,7 +192,10 @@ class Datacenter(object):
         # 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)
+            # 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
@@ -233,3 +260,19 @@ class Datacenter(object):
         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
+