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):
95 nodes_with_slivers = self.get_nodes_with_slivers()
96 for default_attribute in self.get_default_sliver_attributes(network):
97 attribute = {'name': str(default_attribute[0]),
98 'value': str(default_attribute[1]),
100 slice_attributes.append(attribute)
101 for node in nodes_with_slivers:
102 nodename=node.get('component_name')
103 sliver_attributes = self.get_sliver_attributes(nodename, network)
104 for sliver_attribute in sliver_attributes:
105 attribute = {'name': str(sliver_attribute[0]), 'value': str(sliver_attribute[1]), 'node_id': node}
106 slice_attributes.append(attribute)
108 return slice_attributes
111 def add_sliver_attribute(self, hostname, name, value, network=None):
112 nodes = self.get_nodes({'component_id': '*%s*' % hostname})
115 slivers = SFAv1Sliver.get_slivers(node)
118 SFAv1Sliver.add_attribute(sliver, name, value)
120 def get_sliver_attributes(self, hostname, network=None):
121 nodes = self.get_nodes({'component_id': '*%s*' %hostname})
123 if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
125 slivers = node.xpath('./default:sliver', namespaces=self.namespaces)
126 if slivers is not None and isinstance(slivers, list) and len(slivers) > 0:
128 attribs = SFAv1Sliver.get_sliver_attributes(sliver)
131 def remove_sliver_attribute(self, hostname, name, value, network=None):
132 attribs = self.get_sliver_attributes(hostname)
133 for attrib in attribs:
134 if attrib['tagname'] == name and attrib['value'] == value:
135 attrib.element.delete()
137 def add_default_sliver_attribute(self, name, value, network=None):
139 defaults = self.xml.xpath("//network[@name='%s']/sliver_defaults" % network)
141 defaults = self.xml.xpath("//sliver_defaults" % network)
143 network_tag = self.xml.xpath("//network[@name='%s']" % network)
144 if isinstance(network_tag, list):
145 network_tag = network_tag[0]
146 defaults = self.xml.add_element('sliver_defaults', attrs={}, parent=network_tag)
147 elif isinstance(defaults, list):
148 defaults = defaults[0]
149 self.xml.add_attribute(defaults, name, value)
151 def get_default_sliver_attributes(self, network=None):
153 defaults = self.xml.xpath("//network[@name='%s']/sliver_defaults" % network)
155 defaults = self.xml.xpath("//sliver_defaults")
156 if not defaults: return []
157 return self.attributes_list_thierry(defaults)
159 def remove_default_sliver_attribute(self, name, value, network=None):
161 defaults = self.xml.xpath("//network[@name='%s']/sliver_defaults" % network)
163 defaults = self.xml.xpath("//sliver_defaults" % network)
164 self.xml.remove_attribute(defaults, name, value)
168 def get_links(self, network=None):
169 return PGv2Link.get_links(self.xml)
171 def get_link_requests(self):
172 return PGv2Link.get_link_requests(self.xml)
174 def add_links(self, links):
175 networks = self.get_networks()
176 if len(networks) > 0:
180 PGv2Link.add_links(xml, links)
182 def add_link_requests(self, links):
183 PGv2Link.add_link_requests(self.xml, links)
187 def merge(self, in_rspec):
189 Merge contents for specified rspec with current rspec
192 from sfa.rspecs.rspec import RSpec
193 if isinstance(in_rspec, RSpec):
196 rspec = RSpec(in_rspec)
197 if rspec.version.type.lower() == 'protogeni':
198 from sfa.rspecs.rspec_converter import RSpecConverter
199 in_rspec = RSpecConverter.to_sfa_rspec(rspec.toxml())
200 rspec = RSpec(in_rspec)
202 # just copy over all networks
203 current_networks = self.get_networks()
204 networks = rspec.version.get_networks()
205 for network in networks:
206 current_network = network.get('name')
207 if current_network and current_network not in current_networks:
208 self.xml.append(network.element)
209 current_networks.append(current_network)
211 if __name__ == '__main__':
212 from sfa.rspecs.rspec import RSpec
213 from sfa.rspecs.rspec_elements import *
214 r = RSpec('/tmp/resources.rspec')
215 r.load_rspec_elements(SFAv1.elements)
216 print r.get(RSpecElements.NODE)