1 from __future__ import print_function
3 from copy import deepcopy
6 from sfa.rspecs.version import RSpecVersion
8 # from sfa.rspecs.elements.versions.iotlabv1Lease import Iotlabv1Lease
9 from sfa.rspecs.elements.versions.iotlabv1Node import Iotlabv1Node
10 from sfa.rspecs.elements.versions.iotlabv1Sliver import Iotlabv1Sliver
13 from sfa.rspecs.elements.versions.sfav1Lease import SFAv1Lease
15 from sfa.util.sfalogging import logger
18 class Iotlabv1(RSpecVersion):
20 Defines Iotlab style RSpec and associated methods to parse and create a
21 valid Iotlab XML Rspec.
27 #template = '<RSpec type="%s"></RSpec>' % type
29 schema = 'http://senslab.info/resources/rspec/1/ad.xsd'
30 namespace = 'http://www.geni.net/resources/rspec/3'
32 'flack': "http://www.protogeni.net/resources/rspec/ext/flack/1",
33 'planetlab': "http://www.planet-lab.org/resources/sfa/ext/planetlab/1",
35 namespaces = dict(extensions.items() + [('default', namespace)])
39 def get_networks(self):
40 #WARNING Added //default:network to the xpath
41 #otherwise network element not detected 16/07/12 SA
43 network_elems = self.xml.xpath('//network | //default:network')
44 networks = [network_elem.get_instance(fields=['name', 'slice']) for \
45 network_elem in network_elems]
48 def add_network(self, network):
49 network_tags = self.xml.xpath('//network[@name="%s"]' % network)
51 network_tag = self.xml.add_element('network', name=network)
53 network_tag = network_tags[0]
57 def get_nodes(self, filter=None):
58 return Iotlabv1Node.get_nodes(self.xml, filter)
60 def get_nodes_with_slivers(self):
61 return Iotlabv1Node.get_nodes_with_slivers(self.xml)
63 def get_slice_timeslot(self ):
64 return Iotlabv1Timeslot.get_slice_timeslot(self.xml)
66 def add_connection_information(self, ldap_username, sites_set):
67 return Iotlabv1Node.add_connection_information(self.xml,ldap_username, sites_set)
69 def add_nodes(self, nodes, check_for_dupes=False, rspec_content_type=None):
70 return Iotlabv1Node.add_nodes(self.xml,nodes, rspec_content_type)
72 def merge_node(self, source_node_tag, network, no_dupes = False):
73 logger.debug("SLABV1 merge_node")
74 #if no_dupes and self.get_node_element(node['hostname']):
75 ## node already exists
77 network_tag = self.add_network(network)
78 network_tag.append(deepcopy(source_node_tag))
82 def get_sliver_attributes(self, hostname, node, network=None):
83 print("\r\n \r\n \r\n \t\t SLABV1.PY get_sliver_attributes hostname %s " %(hostname), file=sys.stderr)
84 nodes = self.get_nodes({'component_id': '*%s*' %hostname})
86 print("\r\n \r\n \r\n \t\t SLABV1.PY get_sliver_attributes-----------------nodes %s " %(nodes), file=sys.stderr)
87 if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
90 #sliver = node.xpath('./default:sliver | ./sliver')
91 #sliver = node.xpath('./default:sliver', namespaces=self.namespaces)
92 sliver = node['slivers']
94 if sliver is not None and isinstance(sliver, list) and len(sliver) > 0:
97 #attribs = self.attributes_list(sliver)
98 print("\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), file=sys.stderr)
101 def get_slice_attributes(self, network=None):
103 slice_attributes = []
105 nodes_with_slivers = self.get_nodes_with_slivers()
107 # TODO: default sliver attributes in the PG rspec?
108 default_ns_prefix = self.namespaces['default']
109 for node in nodes_with_slivers:
110 sliver_attributes = self.get_sliver_attributes(node['component_id'],node, network)
111 for sliver_attribute in sliver_attributes:
112 name = str(sliver_attribute[0])
113 text = str(sliver_attribute[1])
114 attribs = sliver_attribute[2]
115 # we currently only suppor the <initscript> and <flack> attributes
117 #attribute = {'name': 'flack_info', 'value': str(attribs), 'node_id': node}
118 #slice_attributes.append(attribute)
119 #elif 'initscript' in name:
120 if 'initscript' in name:
121 if attribs is not None and 'name' in attribs:
122 value = attribs['name']
125 attribute = {'name': 'initscript', 'value': value, 'node_id': node}
126 slice_attributes.append(attribute)
129 return slice_attributes
131 def attributes_list(self, elem):
135 opts.append((e.tag, str(e.text).strip(), e.attrib))
138 def get_default_sliver_attributes(self, network=None):
141 def add_default_sliver_attribute(self, name, value, network=None):
144 def add_slivers(self, hostnames, attributes=None, sliver_urn=None, append=False):
145 if attributes is None: attributes=[]
146 # all nodes hould already be present in the rspec. Remove all
147 # nodes that done have slivers
148 print("\r\n \r\n \r\n \t\t\t Iotlabv1.PY add_slivers ----->get_node ", file=sys.stderr)
149 for hostname in hostnames:
150 node_elems = self.get_nodes({'component_id': '*%s*' % hostname})
153 node_elem = node_elems[0]
155 # determine sliver types for this node
156 #TODO : add_slivers valid type of sliver needs to be changed 13/07/12 SA
157 valid_sliver_types = ['iotlab-node', 'emulab-openvz', 'raw-pc', 'plab-vserver', 'plab-vnode']
158 #valid_sliver_types = ['emulab-openvz', 'raw-pc', 'plab-vserver', 'plab-vnode']
159 requested_sliver_type = None
160 for sliver_type in node_elem.get('slivers', []):
161 if sliver_type.get('type') in valid_sliver_types:
162 requested_sliver_type = sliver_type['type']
164 if not requested_sliver_type:
166 sliver = {'type': requested_sliver_type,
167 'pl_tags': attributes}
168 print("\r\n \r\n \r\n \t\t\t Iotlabv1.PY add_slivers node_elem %s sliver_type %s \r\n \r\n " %(node_elem, sliver_type), file=sys.stderr)
169 # remove available element
170 for available_elem in node_elem.xpath('./default:available | ./available'):
171 node_elem.remove(available_elem)
173 # remove interface elements
174 for interface_elem in node_elem.xpath('./default:interface | ./interface'):
175 node_elem.remove(interface_elem)
177 # remove existing sliver_type elements
178 for sliver_type in node_elem.get('slivers', []):
179 node_elem.element.remove(sliver_type.element)
182 node_elem.element.set('client_id', hostname)
187 #slice_id = sliver_info.get('slice_id', -1)
188 #node_id = sliver_info.get('node_id', -1)
189 #sliver_id = urn_to_sliver_id(sliver_urn, slice_id, node_id)
190 #node_elem.set('sliver_id', sliver_id)
192 # add the sliver type elemnt
193 Iotlabv1Sliver.add_slivers(node_elem.element, sliver)
194 #Iotlabv1SliverType.add_slivers(node_elem.element, sliver)
196 # remove all nodes without slivers
198 for node_elem in self.get_nodes():
199 if not node_elem['client_id']:
200 parent = node_elem.element.getparent()
201 parent.remove(node_elem.element)
203 def remove_slivers(self, slivers, network=None, no_dupes=False):
204 Iotlabv1Node.remove_slivers(self.xml, slivers)
209 def merge(self, in_rspec):
211 Merge contents for specified rspec with current rspec
217 from sfa.rspecs.rspec import RSpec
219 if isinstance(in_rspec, RSpec):
222 rspec = RSpec(in_rspec)
223 if rspec.version.type.lower() == 'protogeni':
224 from sfa.rspecs.rspec_converter import RSpecConverter
225 in_rspec = RSpecConverter.to_sfa_rspec(rspec.toxml())
226 rspec = RSpec(in_rspec)
227 # just copy over all networks
228 #Attention special get_networks using //default:network xpath
229 current_networks = self.get_networks()
230 networks = rspec.version.get_networks()
231 for network in networks:
232 current_network = network.get('name')
233 if current_network and current_network not in current_networks:
234 self.xml.append(network.element)
235 current_networks.append(current_network)
243 def get_leases(self, lease_filter=None):
244 return SFAv1Lease.get_leases(self.xml, lease_filter)
245 #return Iotlabv1Lease.get_leases(self.xml, lease_filter)
247 def add_leases(self, leases, network = None, no_dupes=False):
248 SFAv1Lease.add_leases(self.xml, leases)
249 #Iotlabv1Lease.add_leases(self.xml, leases)
253 def get_channels(self, filter=None):
256 def add_channels(self, channels, network = None, no_dupes=False):
261 def get_links(self, network=None):
264 def get_link_requests(self):
267 def add_links(self, links):
269 def add_link_requests(self, links):
274 # remove unncecessary elements, attributes
275 if self.type in ['request', 'manifest']:
276 # remove 'available' element from remaining node elements
277 self.xml.remove_element('//default:available | //available')
280 class Iotlabv1Ad(Iotlabv1):
283 schema = 'http://senslab.info/resources/rspec/1/ad.xsd'
284 #http://www.geni.net/resources/rspec/3/ad.xsd'
285 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"/>'
287 class Iotlabv1Request(Iotlabv1):
289 content_type = 'request'
290 schema = 'http://senslab.info/resources/rspec/1/request.xsd'
291 #http://www.geni.net/resources/rspec/3/request.xsd
292 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"/>'
294 class Iotlabv1Manifest(Iotlabv1):
296 content_type = 'manifest'
297 schema = 'http://senslab.info/resources/rspec/1/manifest.xsd'
298 #http://www.geni.net/resources/rspec/3/manifest.xsd
299 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"/>'
302 if __name__ == '__main__':
303 from sfa.rspecs.rspec import RSpec
304 from sfa.rspecs.rspec_elements import *
305 r = RSpec('/tmp/iotlab.rspec')
306 r.load_rspec_elements(Iotlabv1.elements)
307 r.namespaces = Iotlabv1.namespaces
308 print(r.get(RSpecElements.NODE))