Added proper exception handling, if there are not enough free resources to allocate a container.
diff --git a/src/emuvim/dcemulator/node.py b/src/emuvim/dcemulator/node.py
index decff2b..3a4fbc2 100755
--- a/src/emuvim/dcemulator/node.py
+++ b/src/emuvim/dcemulator/node.py
@@ -4,6 +4,7 @@
"""
from mininet.node import Docker
from mininet.link import Link
+from emuvim.dcemulator.resourcemodel import NotEnoughResourcesAvailable
import logging
import time
import json
@@ -152,8 +153,15 @@
# apply resource limits to container if a resource model is defined
if self._resource_model is not None:
- self._resource_model.allocate(d)
- self._resource_model.write_allocation_log(d, self.resource_log_path)
+ 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