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.rspecs.version import RSpecVersion
7 from sfa.rspecs.elements.element import Element
8 from sfa.rspecs.elements.versions.pgv2Link import PGv2Link
9 from sfa.rspecs.elements.versions.nitosv1Node import NITOSv1Node
10 from sfa.rspecs.elements.versions.nitosv1Sliver import NITOSv1Sliver
11 from sfa.rspecs.elements.versions.nitosv1Lease import NITOSv1Lease
12 from sfa.rspecs.elements.versions.nitosv1Channel import NITOSv1Channel
14 class NITOSv1(RSpecVersion):
23 template = '<RSpec type="%s"></RSpec>' % type
26 def get_networks(self):
27 network_elems = self.xml.xpath('//network')
28 networks = [network_elem.get_instance(fields=['name', 'slice']) for \
29 network_elem in network_elems]
33 def add_network(self, network):
34 network_tags = self.xml.xpath('//network[@name="%s"]' % network)
36 network_tag = self.xml.add_element('network', name=network)
38 network_tag = network_tags[0]
44 def get_nodes(self, filter=None):
45 return NITOSv1Node.get_nodes(self.xml, filter)
47 def get_nodes_with_slivers(self):
48 return NITOSv1Node.get_nodes_with_slivers(self.xml)
50 def add_nodes(self, nodes, network = None, no_dupes=False, rspec_content_type=None):
51 NITOSv1Node.add_nodes(self.xml, nodes, rspec_content_type)
53 def merge_node(self, source_node_tag, network, no_dupes=False):
54 if no_dupes and self.get_node_element(node['hostname']):
58 network_tag = self.add_network(network)
59 network_tag.append(deepcopy(source_node_tag))
63 def add_slivers(self, hostnames, attributes=None, sliver_urn=None, append=False):
64 if attributes is None: attributes=[]
65 # add slice name to network tag
66 network_tags = self.xml.xpath('//network')
68 network_tag = network_tags[0]
69 network_tag.set('slice', urn_to_hrn(sliver_urn)[0])
72 sliver = {'name':sliver_urn,
73 'pl_tags': attributes}
74 for hostname in hostnames:
76 sliver['name'] = sliver_urn
77 node_elems = self.get_nodes({'component_id': '*%s*' % hostname})
80 node_elem = node_elems[0]
81 NITOSv1Sliver.add_slivers(node_elem.element, sliver)
83 # remove all nodes without slivers
85 for node_elem in self.get_nodes():
86 if not node_elem['slivers']:
87 parent = node_elem.element.getparent()
88 parent.remove(node_elem.element)
91 def remove_slivers(self, slivers, network=None, no_dupes=False):
92 NITOSv1Node.remove_slivers(self.xml, slivers)
94 def get_slice_attributes(self, network=None):
96 nodes_with_slivers = self.get_nodes_with_slivers()
97 for default_attribute in self.get_default_sliver_attributes(network):
98 attribute = default_attribute.copy()
99 attribute['node_id'] = None
100 attributes.append(attribute)
101 for node in nodes_with_slivers:
102 nodename=node['component_name']
103 sliver_attributes = self.get_sliver_attributes(nodename, network)
104 for sliver_attribute in sliver_attributes:
105 sliver_attribute['node_id'] = nodename
106 attributes.append(sliver_attribute)
110 def add_sliver_attribute(self, component_id, name, value, network=None):
111 nodes = self.get_nodes({'component_id': '*%s*' % component_id})
112 if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
114 slivers = NITOSv1Sliver.get_slivers(node)
117 NITOSv1Sliver.add_sliver_attribute(sliver, name, value)
119 # should this be an assert / raise an exception?
120 logger.error("WARNING: failed to find component_id %s" % component_id)
122 def get_sliver_attributes(self, component_id, network=None):
123 nodes = self.get_nodes({'component_id': '*%s*' % component_id})
125 if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
127 slivers = NITOSv1Sliver.get_slivers(node.element)
128 if slivers is not None and isinstance(slivers, list) and len(slivers) > 0:
130 attribs = NITOSv1Sliver.get_sliver_attributes(sliver.element)
133 def remove_sliver_attribute(self, component_id, name, value, network=None):
134 attribs = self.get_sliver_attributes(component_id)
135 for attrib in attribs:
136 if attrib['name'] == name and attrib['value'] == value:
137 #attrib.element.delete()
138 parent = attrib.element.getparent()
139 parent.remove(attrib.element)
141 def add_default_sliver_attribute(self, name, value, network=None):
143 defaults = self.xml.xpath("//network[@name='%s']/sliver_defaults" % network)
145 defaults = self.xml.xpath("//sliver_defaults")
148 network_tag = self.xml.xpath("//network[@name='%s']" % network)
150 network_tag = self.xml.xpath("//network")
151 if isinstance(network_tag, list):
152 network_tag = network_tag[0]
153 defaults = network_tag.add_element('sliver_defaults')
154 elif isinstance(defaults, list):
155 defaults = defaults[0]
156 NITOSv1Sliver.add_sliver_attribute(defaults, name, value)
158 def get_default_sliver_attributes(self, network=None):
160 defaults = self.xml.xpath("//network[@name='%s']/sliver_defaults" % network)
162 defaults = self.xml.xpath("//sliver_defaults")
163 if not defaults: return []
164 return NITOSv1Sliver.get_sliver_attributes(defaults[0])
166 def remove_default_sliver_attribute(self, name, value, network=None):
167 attribs = self.get_default_sliver_attributes(network)
168 for attrib in attribs:
169 if attrib['name'] == name and attrib['value'] == value:
170 #attrib.element.delete()
171 parent = attrib.element.getparent()
172 parent.remove(attrib.element)
176 def get_links(self, network=None):
179 def get_link_requests(self):
182 def add_links(self, links):
184 def add_link_requests(self, links):
189 def merge(self, in_rspec):
191 Merge contents for specified rspec with current rspec
197 from sfa.rspecs.rspec import RSpec
198 if isinstance(in_rspec, RSpec):
201 rspec = RSpec(in_rspec)
202 if rspec.version.type.lower() == 'protogeni':
203 from sfa.rspecs.rspec_converter import RSpecConverter
204 in_rspec = RSpecConverter.to_sfa_rspec(rspec.toxml())
205 rspec = RSpec(in_rspec)
207 # just copy over all networks
208 current_networks = self.get_networks()
209 networks = rspec.version.get_networks()
210 for network in networks:
211 current_network = network.get('name')
212 if current_network and current_network not in current_networks:
213 self.xml.append(network.element)
214 current_networks.append(current_network)
218 def get_leases(self, filter=None):
219 return NITOSv1Lease.get_leases(self.xml, filter)
221 def add_leases(self, leases_channels, network = None, no_dupes=False):
222 leases, channels = leases_channels
223 NITOSv1Lease.add_leases(self.xml, leases, channels)
227 def get_channels(self, filter=None):
228 return NITOSv1Channel.get_channels(self.xml, filter)
230 def add_channels(self, channels, network = None, no_dupes=False):
231 NITOSv1Channel.add_channels(self.xml, channels)
235 if __name__ == '__main__':
236 from sfa.rspecs.rspec import RSpec
237 from sfa.rspecs.rspec_elements import *
238 r = RSpec('/tmp/resources.rspec')
239 r.load_rspec_elements(SFAv1.elements)
240 print r.get(RSpecElements.NODE)