1 from copy import deepcopy
4 from sfa.rspecs.version import RSpecVersion
6 from sfa.rspecs.elements.versions.slabv1Lease import Slabv1Lease
7 from sfa.rspecs.elements.versions.slabv1Node import Slabv1Node
8 from sfa.rspecs.elements.versions.slabv1Sliver import Slabv1Sliver
9 from sfa.rspecs.elements.versions.slabv1Timeslot import Slabv1Timeslot
11 from sfa.rspecs.elements.versions.sfav1Lease import SFAv1Lease
13 from sfa.util.sfalogging import logger
15 class Slabv1(RSpecVersion):
20 #template = '<RSpec type="%s"></RSpec>' % type
22 schema = 'http://senslab.info/resources/rspec/1/ad.xsd'
23 namespace = 'http://www.geni.net/resources/rspec/3'
25 'flack': "http://www.protogeni.net/resources/rspec/ext/flack/1",
26 'planetlab': "http://www.planet-lab.org/resources/sfa/ext/planetlab/1",
28 namespaces = dict(extensions.items() + [('default', namespace)])
32 def get_networks(self):
33 #WARNING Added //default:network to the xpath
34 #otherwise network element not detected 16/07/12 SA
36 network_elems = self.xml.xpath('//network | //default:network')
37 networks = [network_elem.get_instance(fields=['name', 'slice']) for \
38 network_elem in network_elems]
42 def add_network(self, network):
43 network_tags = self.xml.xpath('//network[@name="%s"]' % network)
45 network_tag = self.xml.add_element('network', name=network)
47 network_tag = network_tags[0]
53 def get_nodes(self, filter=None):
54 return Slabv1Node.get_nodes(self.xml, filter)
56 def get_nodes_with_slivers(self):
57 return Slabv1Node.get_nodes_with_slivers(self.xml)
59 def get_slice_timeslot(self ):
60 return Slabv1Timeslot.get_slice_timeslot(self.xml)
62 def add_connection_information(self, ldap_username):
63 return Slabv1Node.add_connection_information(self.xml,ldap_username)
65 def add_nodes(self, nodes, check_for_dupes=False):
66 return Slabv1Node.add_nodes(self.xml,nodes )
68 def merge_node(self, source_node_tag, network, no_dupes = False):
69 logger.debug("SLABV1 merge_node")
70 #if no_dupes and self.get_node_element(node['hostname']):
71 ## node already exists
73 network_tag = self.add_network(network)
74 network_tag.append(deepcopy(source_node_tag))
78 def get_sliver_attributes(self, hostname, node, network=None):
79 print>>sys.stderr, "\r\n \r\n \r\n \t\t SLABV1.PY get_sliver_attributes hostname %s " %(hostname)
80 nodes = self.get_nodes({'component_id': '*%s*' %hostname})
82 print>>sys.stderr, "\r\n \r\n \r\n \t\t SLABV1.PY get_sliver_attributes-----------------nodes %s " %(nodes)
83 if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
86 #sliver = node.xpath('./default:sliver | ./sliver')
87 #sliver = node.xpath('./default:sliver', namespaces=self.namespaces)
88 sliver = node['slivers']
90 if sliver is not None and isinstance(sliver, list) and len(sliver) > 0:
93 #attribs = self.attributes_list(sliver)
94 print>>sys.stderr, "\r\n \r\n \r\n \t\t SLABV1.PY get_sliver_attributes----------NN------- sliver %s self.namespaces %s attribs %s " %(sliver, self.namespaces,attribs)
97 def get_slice_attributes(self, network=None):
101 nodes_with_slivers = self.get_nodes_with_slivers()
103 # TODO: default sliver attributes in the PG rspec?
104 default_ns_prefix = self.namespaces['default']
105 for node in nodes_with_slivers:
106 sliver_attributes = self.get_sliver_attributes(node['component_id'],node, network)
107 for sliver_attribute in sliver_attributes:
108 name = str(sliver_attribute[0])
109 text = str(sliver_attribute[1])
110 attribs = sliver_attribute[2]
111 # we currently only suppor the <initscript> and <flack> attributes
113 #attribute = {'name': 'flack_info', 'value': str(attribs), 'node_id': node}
114 #slice_attributes.append(attribute)
115 #elif 'initscript' in name:
116 if 'initscript' in name:
117 if attribs is not None and 'name' in attribs:
118 value = attribs['name']
121 attribute = {'name': 'initscript', 'value': value, 'node_id': node}
122 slice_attributes.append(attribute)
125 return slice_attributes
127 def attributes_list(self, elem):
131 opts.append((e.tag, str(e.text).strip(), e.attrib))
134 def get_default_sliver_attributes(self, network=None):
137 def add_default_sliver_attribute(self, name, value, network=None):
140 def add_slivers(self, hostnames, attributes=[], sliver_urn=None, append=False):
141 # all nodes hould already be present in the rspec. Remove all
142 # nodes that done have slivers
143 print>>sys.stderr, "\r\n \r\n \r\n \t\t\t SLABv1.PY add_slivers ----->get_node "
144 for hostname in hostnames:
145 node_elems = self.get_nodes({'component_id': '*%s*' % hostname})
148 node_elem = node_elems[0]
150 # determine sliver types for this node
151 #TODO : add_slivers valid type of sliver needs to be changed 13/07/12 SA
152 valid_sliver_types = ['slab-node', 'emulab-openvz', 'raw-pc', 'plab-vserver', 'plab-vnode']
153 #valid_sliver_types = ['emulab-openvz', 'raw-pc', 'plab-vserver', 'plab-vnode']
154 requested_sliver_type = None
155 for sliver_type in node_elem.get('slivers', []):
156 if sliver_type.get('type') in valid_sliver_types:
157 requested_sliver_type = sliver_type['type']
159 if not requested_sliver_type:
161 sliver = {'type': requested_sliver_type,
162 'pl_tags': attributes}
163 print>>sys.stderr, "\r\n \r\n \r\n \t\t\t SLABv1.PY add_slivers node_elem %s sliver_type %s \r\n \r\n " %(node_elem, sliver_type)
164 # remove available element
165 for available_elem in node_elem.xpath('./default:available | ./available'):
166 node_elem.remove(available_elem)
168 # remove interface elements
169 for interface_elem in node_elem.xpath('./default:interface | ./interface'):
170 node_elem.remove(interface_elem)
172 # remove existing sliver_type elements
173 for sliver_type in node_elem.get('slivers', []):
174 node_elem.element.remove(sliver_type.element)
177 node_elem.element.set('client_id', hostname)
182 #slice_id = sliver_info.get('slice_id', -1)
183 #node_id = sliver_info.get('node_id', -1)
184 #sliver_id = urn_to_sliver_id(sliver_urn, slice_id, node_id)
185 #node_elem.set('sliver_id', sliver_id)
187 # add the sliver type elemnt
188 Slabv1Sliver.add_slivers(node_elem.element, sliver)
189 #Slabv1SliverType.add_slivers(node_elem.element, sliver)
191 # remove all nodes without slivers
193 for node_elem in self.get_nodes():
194 if not node_elem['client_id']:
195 parent = node_elem.element.getparent()
196 parent.remove(node_elem.element)
198 def remove_slivers(self, slivers, network=None, no_dupes=False):
199 Slabv1Node.remove_slivers(self.xml, slivers)
204 def merge(self, in_rspec):
206 Merge contents for specified rspec with current rspec
212 from sfa.rspecs.rspec import RSpec
214 if isinstance(in_rspec, RSpec):
217 rspec = RSpec(in_rspec)
218 if rspec.version.type.lower() == 'protogeni':
219 from sfa.rspecs.rspec_converter import RSpecConverter
220 in_rspec = RSpecConverter.to_sfa_rspec(rspec.toxml())
221 rspec = RSpec(in_rspec)
222 # just copy over all networks
223 #Attention special get_networks using //default:network xpath
224 current_networks = self.get_networks()
225 networks = rspec.version.get_networks()
226 for network in networks:
227 current_network = network.get('name')
228 if current_network and current_network not in current_networks:
229 self.xml.append(network.element)
230 current_networks.append(current_network)
238 def get_leases(self, lease_filter=None):
239 return SFAv1Lease.get_leases(self.xml, lease_filter)
240 #return Slabv1Lease.get_leases(self.xml, lease_filter)
242 def add_leases(self, leases, network = None, no_dupes=False):
243 SFAv1Lease.add_leases(self.xml, leases)
244 #Slabv1Lease.add_leases(self.xml, leases)
247 # remove unncecessary elements, attributes
248 if self.type in ['request', 'manifest']:
249 # remove 'available' element from remaining node elements
250 self.xml.remove_element('//default:available | //available')
253 class Slabv1Ad(Slabv1):
256 schema = 'http://senslab.info/resources/rspec/1/ad.xsd'
257 #http://www.geni.net/resources/rspec/3/ad.xsd'
258 template = '<rspec type="advertisement" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://senslab.info/resources/rspec/1" xmlns:flack="http://senslab.info/resources/rspec/ext/flack/1" xmlns:planetlab="http://www.planet-lab.org/resources/sfa/ext/planetlab/1" xsi:schemaLocation="http://senslab.info/resources/rspec/1 http://senslab.info/resources/rspec/1/ad.xsd http://www.planet-lab.org/resources/sfa/ext/planetlab/1 http://www.planet-lab.org/resources/sfa/ext/planetlab/1/planetlab.xsd"/>'
260 class Slabv1Request(Slabv1):
262 content_type = 'request'
263 schema = 'http://senslab.info/resources/rspec/1/request.xsd'
264 #http://www.geni.net/resources/rspec/3/request.xsd
265 template = '<rspec type="request" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://senslab.info/resources/rspec/1" xmlns:flack="http://senslab.info/resources/rspec/ext/flack/1" xmlns:planetlab="http://www.planet-lab.org/resources/sfa/ext/planetlab/1" xsi:schemaLocation="http://senslab.info/resources/rspec/1 http://senslab.info/resources/rspec/1/request.xsd http://www.planet-lab.org/resources/sfa/ext/planetlab/1 http://www.planet-lab.org/resources/sfa/ext/planetlab/1/planetlab.xsd"/>'
267 class Slabv1Manifest(Slabv1):
269 content_type = 'manifest'
270 schema = 'http://senslab.info/resources/rspec/1/manifest.xsd'
271 #http://www.geni.net/resources/rspec/3/manifest.xsd
272 template = '<rspec type="manifest" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://senslab.info/resources/rspec/1" xmlns:flack="http://senslab.info/resources/rspec/ext/flack/1" xmlns:planetlab="http://www.planet-lab.org/resources/sfa/ext/planetlab/1" xsi:schemaLocation="http://senslab.info/resources/rspec/1 http://senslab.info/resources/rspec/1/manifest.xsd http://www.planet-lab.org/resources/sfa/ext/planetlab/1 http://www.planet-lab.org/resources/sfa/ext/planetlab/1/planetlab.xsd"/>'
275 if __name__ == '__main__':
276 from sfa.rspecs.rspec import RSpec
277 from sfa.rspecs.rspec_elements import *
278 r = RSpec('/tmp/slab.rspec')
279 r.load_rspec_elements(Slabv1.elements)
280 r.namespaces = Slabv1.namespaces
281 print r.get(RSpecElements.NODE)