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-rw-r--r--nfvbench/chaining.py19
1 files changed, 15 insertions, 4 deletions
diff --git a/nfvbench/chaining.py b/nfvbench/chaining.py
index 99080ba..fe79d88 100644
--- a/nfvbench/chaining.py
+++ b/nfvbench/chaining.py
@@ -203,7 +203,8 @@ class ChainNetwork(object):
"""
self.manager = manager
self.name = network_config.name
- self.segmentation_id = self._get_item(network_config.segmentation_id, chain_id)
+ self.segmentation_id = self._get_item(network_config.segmentation_id,
+ chain_id, auto_index=True)
self.physical_network = self._get_item(network_config.physical_network, chain_id)
if chain_id is not None:
self.name += str(chain_id)
@@ -220,11 +221,13 @@ class ChainNetwork(object):
self.delete()
raise
- def _get_item(self, item_field, index):
+ def _get_item(self, item_field, index, auto_index=False):
"""Retrieve an item from a list or a single value.
item_field: can be None, a tuple of a single value
- index: if None is same as 0, else is the index in the list
+ index: if None is same as 0, else is the index for a chain
+ auto_index: if true will automatically get the final value by adding the
+ index to the base value (if full list not provided)
If the item_field is not a tuple, it is considered same as a tuple with same value at any
index.
@@ -235,7 +238,14 @@ class ChainNetwork(object):
if index is None:
index = 0
if isinstance(item_field, tuple):
- return item_field[index]
+ try:
+ return item_field[index]
+ except IndexError:
+ raise ChainException("List %s is too short for chain index %d" %
+ (str(item_field), index))
+ # single value is configured
+ if auto_index:
+ return item_field + index
return item_field
def _setup(self, network_config, lookup_only):
@@ -1038,6 +1048,7 @@ class ChainManager(object):
'segmentation_id': None,
'physical_network': None})
for name in [ext_net.left, ext_net.right]]
+ # segmentation id and subnet should be discovered from neutron
else:
lookup_only = False
int_nets = self.config.internal_networks