1 from copy import deepcopy
4 from sfa.util.sfalogging import logger
5 from sfa.util.xrn import hrn_to_urn, urn_to_hrn
6 from sfa.util.plxrn import PlXrn
7 from sfa.rspecs.baseversion import BaseVersion
8 from sfa.rspecs.elements.element import Element
9 from sfa.rspecs.elements.versions.pgv2Link import PGv2Link
10 from sfa.rspecs.elements.versions.sfav1Node import SFAv1Node
11 from sfa.rspecs.elements.versions.sfav1Sliver import SFAv1Sliver
13 class SFAv1(BaseVersion):
22 template = '<RSpec type="%s"></RSpec>' % type
25 def get_networks(self):
26 network_elems = self.xml.xpath('//network')
27 networks = [network_elem.get_instance(fields=['name', 'slice']) for \
28 network_elem in network_elems]
32 def add_network(self, network):
33 network_tags = self.xml.xpath('//network[@name="%s"]' % network)
35 network_tag = self.xml.add_element('network', name=network)
37 network_tag = network_tags[0]
43 def get_nodes(self, filter=None):
44 return SFAv1Node.get_nodes(self.xml, filter)
46 def get_nodes_with_slivers(self):
47 return SFAv1Node.get_nodes_with_slivers(self.xml)
49 def add_nodes(self, nodes, network = None, no_dupes=False):
50 SFAv1Node.add_nodes(self.xml, nodes)
52 def merge_node(self, source_node_tag, network, no_dupes=False):
53 if no_dupes and self.get_node_element(node['hostname']):
57 network_tag = self.add_network(network)
58 network_tag.append(deepcopy(source_node_tag))
62 def add_slivers(self, hostnames, attributes=[], sliver_urn=None, append=False):
63 # add slice name to network tag
64 network_tags = self.xml.xpath('//network')
66 network_tag = network_tags[0]
67 network_tag.set('slice', urn_to_hrn(sliver_urn)[0])
70 sliver = {'name':sliver_urn,
71 'pl_tags': attributes}
72 for hostname in hostnames:
74 sliver['name'] = sliver_urn
75 node_elems = self.get_nodes({'component_id': '*%s*' % hostname})
78 node_elem = node_elems[0]
79 SFAv1Sliver.add_slivers(node_elem.element, sliver)
81 # remove all nodes without slivers
83 for node_elem in self.get_nodes():
84 if not node_elem['slivers']:
85 parent = node_elem.element.getparent()
86 parent.remove(node_elem.element)
89 def remove_slivers(self, slivers, network=None, no_dupes=False):
90 SFAv1Node.remove_slivers(self.xml, slivers)
92 def get_slice_attributes(self, network=None):
94 nodes_with_slivers = self.get_nodes_with_slivers()
95 for default_attribute in self.get_default_sliver_attributes(network):
96 attribute['node_id'] = None
97 attributes.append(attribute)
98 for node in nodes_with_slivers:
99 nodename=node['component_name']
100 sliver_attributes = self.get_sliver_attributes(nodename, network)
101 for sliver_attribute in sliver_attributes:
102 sliver_attribute['node_id'] = nodename
103 attributes.append(attribute)
107 def add_sliver_attribute(self, component_id, name, value, network=None):
108 nodes = self.get_nodes({'component_id': '*%s*' % component_id})
109 if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
111 slivers = SFAv1Sliver.get_slivers(node)
114 SFAv1Sliver.add_sliver_attribute(sliver, name, value)
116 # should this be an assert / raise an exception?
117 print "WARNING: failed to find component_id", component_id
119 def get_sliver_attributes(self, component_id, network=None):
120 nodes = self.get_nodes({'component_id': '*%s*' % component_id})
122 if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
124 slivers = SFAv1Sliver.get_slivers(node.element)
125 if slivers is not None and isinstance(slivers, list) and len(slivers) > 0:
127 attribs = SFAv1Sliver.get_sliver_attributes(sliver.element)
130 def remove_sliver_attribute(self, component_id, name, value, network=None):
131 attribs = self.get_sliver_attributes(component_id)
132 for attrib in attribs:
133 if attrib['name'] == name and attrib['value'] == value:
134 #attrib.element.delete()
135 parent = attrib.element.getparent()
136 parent.remove(attrib.element)
138 def add_default_sliver_attribute(self, name, value, network=None):
140 defaults = self.xml.xpath("//network[@name='%s']/sliver_defaults" % network)
142 defaults = self.xml.xpath("//sliver_defaults" % network)
144 network_tag = self.xml.xpath("//network[@name='%s']" % network)
145 if isinstance(network_tag, list):
146 network_tag = network_tag[0]
147 defaults = network_tag.add_element('sliver_defaults')
148 elif isinstance(defaults, list):
149 defaults = defaults[0]
150 SFAv1Sliver.add_sliver_attribute(defaults, name, value)
152 def get_default_sliver_attributes(self, network=None):
154 defaults = self.xml.xpath("//network[@name='%s']/sliver_defaults" % network)
156 defaults = self.xml.xpath("//sliver_defaults")
157 if not defaults: return []
158 return SFAv1Sliver.get_sliver_attributes(defaults[0])
160 def remove_default_sliver_attribute(self, name, value, network=None):
161 attribs = self.get_default_sliver_attributes(network)
162 for attrib in attribs:
163 if attrib['name'] == name and attrib['value'] == value:
164 #attrib.element.delete()
165 parent = attrib.element.getparent()
166 parent.remove(attrib.element)
170 def get_links(self, network=None):
171 return PGv2Link.get_links(self.xml)
173 def get_link_requests(self):
174 return PGv2Link.get_link_requests(self.xml)
176 def add_links(self, links):
177 networks = self.get_networks()
178 if len(networks) > 0:
179 xml = networks[0].element
182 PGv2Link.add_links(xml, links)
184 def add_link_requests(self, links):
185 PGv2Link.add_link_requests(self.xml, links)
189 def merge(self, in_rspec):
191 Merge contents for specified rspec with current rspec
194 from sfa.rspecs.rspec import RSpec
195 if isinstance(in_rspec, RSpec):
198 rspec = RSpec(in_rspec)
199 if rspec.version.type.lower() == 'protogeni':
200 from sfa.rspecs.rspec_converter import RSpecConverter
201 in_rspec = RSpecConverter.to_sfa_rspec(rspec.toxml())
202 rspec = RSpec(in_rspec)
204 # just copy over all networks
205 current_networks = self.get_networks()
206 networks = rspec.version.get_networks()
207 for network in networks:
208 current_network = network.get('name')
209 if current_network and current_network not in current_networks:
210 self.xml.append(network.element)
211 current_networks.append(current_network)
213 if __name__ == '__main__':
214 from sfa.rspecs.rspec import RSpec
215 from sfa.rspecs.rspec_elements import *
216 r = RSpec('/tmp/resources.rspec')
217 r.load_rspec_elements(SFAv1.elements)
218 print r.get(RSpecElements.NODE)