def do_info( self, line ):
"Print short info about a VNF or all of them if none is specified."
vnf_catalog = Catalog().get_db()
for metadata in vnf_catalog.itervalues():
try:
if metadata['name'] == line.strip():
for k, v in metadata.iteritems():
output('%s: %s\n' % (k, v))
break
except KeyError:
pass
else:
for metadata in vnf_catalog.itervalues():
try:
info = metadata.get('description', '').split('\n')[0]
output('%s: %s\n' % (metadata['name'], info))
except KeyError:
pass
def start(self, nf_g, phy_g=None):
"""
Create the service chain
- Do the resource mapping process
- Starts the virtual network element
- Install the OF routes
Return list of the newly initiated VNFs
"""
# TODO: instead of phy_g, rely on NetworkManager, or simple_topology
# Using NetworkManager to get physical topology if phy_g is not given explicitly
if not phy_g:
phy_g = self.network_manager.get_initial_topology()
# dump(phy_g, 'NetMen converted topo')
if nf_g.number_of_nodes() < 1 or phy_g.number_of_nodes(
) < 1 or not self.network_manager.network_alive():
return []
# Run the resource mapping algorithm
vnf_to_host_list = Mapping.map(nf_g, phy_g, DefaultSorter)
vnf_options = nf_g.node
# Config vnf_manager
vnf_manager = self.network_manager.vnf_manager
vnf_manager.set_vnf_catalog(Catalog().get_db())
# Start mapped VNFs on physical network element
vnf_manager.start_vnfs(vnf_to_host_list, vnf_options)
# Install routes
# update states of VNFs run by netconf agents before route install
# (to make phy_g consistent (containing remote VNFs as well))
self.network_manager.scan_network(forced=True)
# Error: If phy_g contains initial_topo from NetworkManager,
# VNFs are always excluded and no routes will be installed!!
self.rm.install_routes(nf_g, phy_g)
return vnf_to_host_list
def __init__(self):
self.catalog = Catalog()
def __init__ (self):
self.vnf_type = None
self._parse_args()
self.catalog = Catalog()
self.click_proc = None
atexit.register(self.kill_click_proc)
def do_reload( self, line):
"Reload VNF catalog"
Catalog().load(line)
def complete_info( self, text, line, begidx, endidx):
names = Catalog().get_db().keys()
return [n for n in names if n.startswith(text)]
def add_VNFs():
""" add VNFs to catalog (required parameters should be given) """
#1. First single Click elements are added to the DB
Catalog().add_VNF(vnf_name='FromDevice',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='ToDevice',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='Queue',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='Tee',vnf_type='Click',hidden='True')
#Catalog().add_VNF(vnf_name='Counter',vnf_type='Click',clickPath='/home/click',
# clickSource=['elements/standard/counter.cc','elements/standard/counter.cc'])
Catalog().add_VNF(vnf_name='Counter',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='Classifier',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='IPClassifier',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='StripIPHeader',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='UnstripIPHeadet',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='Strip',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='Unstrip',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='ICMPPingSource',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='ARPQuerier',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='AggregateIPFlows',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='RFC2507Comp',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='RFC2507Decomp',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='IPAddRewriter',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='TCPOptimizer',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='MarkIPHeader',vnf_type='Click',hidden='True')
Catalog().add_VNF(vnf_name='Print',vnf_type='Click',hidden='True')
#2. Then the VNFs composed of several Click elements are added to the DB
Catalog().add_VNF(vnf_name = 'simpleForwarder',
vnf_type = 'Click',
description = 'receive on the data interface and loop back the packet',
icon = 'forward.png')
Catalog().add_VNF(vnf_name = 'simpleObservationPoint',
vnf_type = 'Click',
description = 'A simple observation point in click',
icon = 'search.png')
Catalog().add_VNF(vnf_name = 'headerCompressor',
vnf_type = 'Click',
description = 'Compress IPv4/TCP headers as defined in RFC2507',
icon = 'decompress_small.png')
Catalog().add_VNF(vnf_name = 'headerDecompressor',
vnf_type = 'Click',
description = 'Decompress IPv4/TCP headers as defined in RFC2507',
icon = 'compress2_small.png')
Catalog().add_VNF(vnf_name = 'nat',
vnf_type = 'Click',
hidden = 'True',
description = 'Provide the functionality of basic network address translator')
Catalog().add_VNF(vnf_name = 'tcpRWINOptimizer',
vnf_type = 'Click',
description = 'TCP Optimizer',
icon = 'forward.png')
Catalog().add_VNF(vnf_name = 'testVNF',
vnf_type = 'Click',
description = 'A test VNF',
icon = 'forward.png')
Catalog().add_VNF(vnf_name = 'RlncOnTheFlyEncoder',
vnf_type = 'Click',
description = 'Rlnc encoder with kodo.',
icon = 'forward.png')
Catalog().add_VNF(vnf_name = 'RlncOnTheFlyDecoder',
vnf_type = 'Click',
description = 'Rlnc decoder with kodo',
icon = 'forward.png')
print Catalog().get_db()
def del_VNFs(vnf_list):
for vnf in vnf_list:
if Catalog().get_VNF(vnf_name = vnf) != []:
Catalog().remove_VNF(vnf_name = vnf)
