#!/usr/bin/env python
# -*- coding: utf-8 -*-
+from __future__ import print_function
+
from copy import deepcopy
from lxml import etree
from sfa.rspecs.elements.versions.ofeliav1datapath import Ofeliav1Datapath
from sfa.rspecs.elements.versions.ofeliav1link import Ofeliav1Link
+
class Ofelia(RSpecVersion):
enabled = True
type = 'OFELIA'
schema = 'https://github.com/fp7-ofelia/ocf/blob/ocf.rspecs/openflow/schemas/ad.xsd'
namespace = 'openflow'
extensions = {}
- namespaces = dict(extensions.items() + [('default', namespace)])
+ namespaces = dict(list(extensions.items()) + [('default', namespace)])
#template = '<RSpec type="%s"></RSpec>' % type
template = '<rspec></rspec>'
- # Network
+ # Network
def get_networks(self):
- raise Exception, "Not implemented"
+ raise Exception("Not implemented")
network_elems = self.xml.xpath('//network')
- networks = [network_elem.get_instance(fields=['name', 'slice']) for \
+ networks = [network_elem.get_instance(fields=['name', 'slice']) for
network_elem in network_elems]
- return networks
-
+ return networks
def add_network(self, network):
- raise Exception, "Not implemented"
+ raise Exception("Not implemented")
network_tags = self.xml.xpath('//network[@name="%s"]' % network)
if not network_tags:
network_tag = self.xml.add_element('network', name=network)
network_tag = network_tags[0]
return network_tag
-# These are all resources
-# get_resources function can return all resources or a specific type of resource
+# These are all resources
+# get_resources function can return all resources or a specific type of
+# resource
def get_resources(self, filter=None, type=None):
resources = list()
- if not type or type=='datapath':
+ if not type or type == 'datapath':
datapaths = self.get_datapaths(filter)
for datapath in datapaths:
- datapath['type']='datapath'
+ datapath['type'] = 'datapath'
resources.extend(datapaths)
- if not type or type=='link':
+ if not type or type == 'link':
links = self.get_links(filter)
for link in links:
- link['type']='link'
+ link['type'] = 'link'
resources.extend(links)
return resources
return Ofeliav1Link.get_links(self.xml, filter)
# def get_link_requests(self):
-# return PGv2Link.get_link_requests(self.xml)
+# return PGv2Link.get_link_requests(self.xml)
#
# def add_links(self, links):
# networks = self.get_networks()
# def add_link_requests(self, links):
# PGv2Link.add_link_requests(self.xml, links)
-
-
# Slivers
-
- def add_slivers(self, hostnames, attributes=[], sliver_urn=None, append=False):
+
+ def add_slivers(self, hostnames, attributes=None, sliver_urn=None, append=False):
+ if attributes is None:
+ attributes = []
# add slice name to network tag
network_tags = self.xml.xpath('//network')
if network_tags:
network_tag.set('slice', urn_to_hrn(sliver_urn)[0])
# add slivers
- sliver = {'name':sliver_urn,
+ sliver = {'name': sliver_urn,
'pl_tags': attributes}
for hostname in hostnames:
if sliver_urn:
parent = node_elem.element.getparent()
parent.remove(node_elem.element)
-
def remove_slivers(self, slivers, network=None, no_dupes=False):
SFAv1Node.remove_slivers(self.xml, slivers)
-
+
def get_slice_attributes(self, network=None):
attributes = []
nodes_with_slivers = self.get_nodes_with_slivers()
attribute['node_id'] = None
attributes.append(attribute)
for node in nodes_with_slivers:
- nodename=node['component_name']
+ nodename = node['component_name']
sliver_attributes = self.get_sliver_attributes(nodename, network)
for sliver_attribute in sliver_attributes:
sliver_attribute['node_id'] = nodename
attributes.append(sliver_attribute)
return attributes
-
def add_sliver_attribute(self, component_id, name, value, network=None):
nodes = self.get_nodes({'component_id': '*%s*' % component_id})
if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
SFAv1Sliver.add_sliver_attribute(sliver, name, value)
else:
# should this be an assert / raise an exception?
- logger.error("WARNING: failed to find component_id %s" % component_id)
+ logger.error("WARNING: failed to find component_id %s" %
+ component_id)
def get_sliver_attributes(self, component_id, network=None):
nodes = self.get_nodes({'component_id': '*%s*' % component_id})
attribs = self.get_sliver_attributes(component_id)
for attrib in attribs:
if attrib['name'] == name and attrib['value'] == value:
- #attrib.element.delete()
+ # attrib.element.delete()
parent = attrib.element.getparent()
parent.remove(attrib.element)
def add_default_sliver_attribute(self, name, value, network=None):
if network:
- defaults = self.xml.xpath("//network[@name='%s']/sliver_defaults" % network)
+ defaults = self.xml.xpath(
+ "//network[@name='%s']/sliver_defaults" % network)
else:
defaults = self.xml.xpath("//sliver_defaults")
if not defaults:
if network:
network_tag = self.xml.xpath("//network[@name='%s']" % network)
else:
- network_tag = self.xml.xpath("//network")
+ network_tag = self.xml.xpath("//network")
if isinstance(network_tag, list):
network_tag = network_tag[0]
defaults = network_tag.add_element('sliver_defaults')
def get_default_sliver_attributes(self, network=None):
if network:
- defaults = self.xml.xpath("//network[@name='%s']/sliver_defaults" % network)
+ defaults = self.xml.xpath(
+ "//network[@name='%s']/sliver_defaults" % network)
else:
defaults = self.xml.xpath("//sliver_defaults")
- if not defaults: return []
+ if not defaults:
+ return []
return SFAv1Sliver.get_sliver_attributes(defaults[0])
-
+
def remove_default_sliver_attribute(self, name, value, network=None):
attribs = self.get_default_sliver_attributes(network)
for attrib in attribs:
if attrib['name'] == name and attrib['value'] == value:
- #attrib.element.delete()
+ # attrib.element.delete()
parent = attrib.element.getparent()
parent.remove(attrib.element)
import pprint
from sfa.rspecs.rspec import RSpec
from sfa.rspecs.rspec_elements import *
- print "main ofeliav1"
- if len(sys.argv)!=2:
+ print("main ofeliav1")
+ if len(sys.argv) != 2:
r = RSpec('/tmp/resources.rspec')
else:
- r = RSpec(sys.argv[1], version = 'OFELIA 1')
- #print r.version.get_datapaths()
+ r = RSpec(sys.argv[1], version='OFELIA 1')
+ # print r.version.get_datapaths()
resources = r.version.get_resources()
pprint.pprint(resources)
- #r.load_rspec_elements(SFAv1.elements)
- #print r.get(RSpecElements.NODE)
+ # r.load_rspec_elements(SFAv1.elements)
+ # print r.get(RSpecElements.NODE)