1 from copy import deepcopy
3 #from StringIO import StringIO
4 #from sfa.util.xrn import urn_to_sliver_id
5 #from sfa.util.plxrn import hostname_to_urn, xrn_to_hostname
7 from sfa.rspecs.version import RSpecVersion
10 from sfa.rspecs.elements.versions.slabv1Node import Slabv1Node
11 from sfa.rspecs.elements.versions.slabv1Sliver import Slabv1Sliver
12 from sfa.rspecs.elements.versions.slabv1Timeslot import Slabv1Timeslot
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 network_elems = self.xml.xpath('//network')
34 networks = [network_elem.get_instance(fields=['name', 'slice']) for \
35 network_elem in network_elems]
39 def add_network(self, network):
40 network_tags = self.xml.xpath('//network[@name="%s"]' % network)
42 network_tag = self.xml.add_element('network', name=network)
44 network_tag = network_tags[0]
50 def get_nodes(self, filter=None):
51 return Slabv1Node.get_nodes(self.xml, filter)
53 def get_nodes_with_slivers(self):
54 return Slabv1Node.get_nodes_with_slivers(self.xml)
56 def get_slice_timeslot(self ):
57 return Slabv1Timeslot.get_slice_timeslot(self.xml)
59 def add_nodes(self, nodes, check_for_dupes=False):
60 return Slabv1Node.add_nodes(self.xml, nodes)
62 def merge_node(self, source_node_tag, network, no_dupes = False):
63 logger.debug("SLABV1 merge_node")
64 #if no_dupes and self.get_node_element(node['hostname']):
65 ## node already exists
67 network_tag = self.add_network(network)
68 network_tag.append(deepcopy(source_node_tag))
72 def get_sliver_attributes(self, hostname, node, network=None):
73 print>>sys.stderr, "\r\n \r\n \r\n \t\t SLABV1.PY get_sliver_attributes hostname %s " %(hostname)
74 nodes = self.get_nodes({'component_id': '*%s*' %hostname})
76 print>>sys.stderr, "\r\n \r\n \r\n \t\t SLABV1.PY get_sliver_attributes-----------------nodes %s " %(nodes)
77 if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
80 #sliver = node.xpath('./default:sliver | ./sliver')
81 #sliver = node.xpath('./default:sliver', namespaces=self.namespaces)
82 sliver = node['slivers']
84 if sliver is not None and isinstance(sliver, list) and len(sliver) > 0:
87 #attribs = self.attributes_list(sliver)
88 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)
91 def get_slice_attributes(self, network=None):
94 slot = self.get_slice_timeslot()
95 nodes_with_slivers = self.get_nodes_with_slivers()
96 slice_attributes.append({'timeslot':slot})
97 #slice_attributes.append({'name': 'timeslot', 'value' : slot})
98 print>>sys.stderr, "\r\n \r\n \r\n \t\t SLABV1.PY get_slice_attributes -----------------nodes_with_slivers %s "%(nodes_with_slivers)
99 # TODO: default sliver attributes in the PG rspec?
100 default_ns_prefix = self.namespaces['default']
101 for node in nodes_with_slivers:
102 sliver_attributes = self.get_sliver_attributes(node['component_id'],node, network)
103 for sliver_attribute in sliver_attributes:
104 name=str(sliver_attribute[0])
105 text =str(sliver_attribute[1])
106 attribs = sliver_attribute[2]
107 # we currently only suppor the <initscript> and <flack> attributes
109 #attribute = {'name': 'flack_info', 'value': str(attribs), 'node_id': node}
110 #slice_attributes.append(attribute)
111 #elif 'initscript' in name:
112 if 'initscript' in name:
113 if attribs is not None and 'name' in attribs:
114 value = attribs['name']
117 attribute = {'name': 'initscript', 'value': value, 'node_id': node}
118 slice_attributes.append(attribute)
121 print>>sys.stderr, "\r\n \r\n \r\n \t\t SLABV1.PY get_slice_attributes ----------------- slice_attributes %s "%(slice_attributes)
122 return slice_attributes
124 def attributes_list(self, elem):
128 opts.append((e.tag, str(e.text).strip(), e.attrib))
131 def get_default_sliver_attributes(self, network=None):
134 def add_default_sliver_attribute(self, name, value, network=None):
137 def add_slivers(self, hostnames, attributes=[], sliver_urn=None, append=False):
138 # all nodes hould already be present in the rspec. Remove all
139 # nodes that done have slivers
140 print>>sys.stderr, "\r\n \r\n \r\n \t\t\t SLABv1.PY add_slivers ----->get_node "
141 for hostname in hostnames:
142 node_elems = self.get_nodes({'component_id': '*%s*' % hostname})
145 node_elem = node_elems[0]
147 # determine sliver types for this node
148 valid_sliver_types = ['slab-node', 'emulab-openvz', 'raw-pc', 'plab-vserver', 'plab-vnode']
149 #valid_sliver_types = ['emulab-openvz', 'raw-pc', 'plab-vserver', 'plab-vnode']
150 requested_sliver_type = None
151 for sliver_type in node_elem.get('slivers', []):
152 if sliver_type.get('type') in valid_sliver_types:
153 requested_sliver_type = sliver_type['type']
155 if not requested_sliver_type:
157 sliver = {'type': requested_sliver_type,
158 'pl_tags': attributes}
159 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)
160 # remove available element
161 for available_elem in node_elem.xpath('./default:available | ./available'):
162 node_elem.remove(available_elem)
164 # remove interface elements
165 for interface_elem in node_elem.xpath('./default:interface | ./interface'):
166 node_elem.remove(interface_elem)
168 # remove existing sliver_type elements
169 for sliver_type in node_elem.get('slivers', []):
170 node_elem.element.remove(sliver_type.element)
173 node_elem.element.set('client_id', hostname)
178 #slice_id = sliver_info.get('slice_id', -1)
179 #node_id = sliver_info.get('node_id', -1)
180 #sliver_id = urn_to_sliver_id(sliver_urn, slice_id, node_id)
181 #node_elem.set('sliver_id', sliver_id)
183 # add the sliver type elemnt
184 Slabv1Sliver.add_slivers(node_elem.element, sliver)
185 #Slabv1SliverType.add_slivers(node_elem.element, sliver)
187 # remove all nodes without slivers
189 for node_elem in self.get_nodes():
190 if not node_elem['client_id']:
191 parent = node_elem.element.getparent()
192 parent.remove(node_elem.element)
194 def remove_slivers(self, slivers, network=None, no_dupes=False):
195 Slabv1Node.remove_slivers(self.xml, slivers)
201 def merge(self, in_rspec):
203 Merge contents for specified rspec with current rspec
205 from sfa.rspecs.rspec import RSpec
206 # just copy over all the child elements under the root element
207 if isinstance(in_rspec, basestring):
208 in_rspec = RSpec(in_rspec)
210 nodes = in_rspec.version.get_nodes()
211 # protogeni rspecs need to advertise the availabel sliver types
213 if not node.has_key('sliver') or not node['sliver']:
214 node['sliver'] = {'name': 'slab-node'}
216 self.add_nodes(nodes)
217 #self.add_links(in_rspec.version.get_links())
220 #rspec = RSpec(in_rspec)
221 #for child in rspec.xml.iterchildren():
222 # self.xml.root.append(child)
227 # remove unncecessary elements, attributes
228 if self.type in ['request', 'manifest']:
229 # remove 'available' element from remaining node elements
230 self.xml.remove_element('//default:available | //available')
233 class Slabv1Ad(Slabv1):
236 schema = 'http://senslab.info/resources/rspec/1/ad.xsd'
237 #http://www.geni.net/resources/rspec/3/ad.xsd'
238 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"/>'
240 class Slabv1Request(Slabv1):
242 content_type = 'request'
243 schema = 'http://senslab.info/resources/rspec/1/request.xsd'
244 #http://www.geni.net/resources/rspec/3/request.xsd
245 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"/>'
247 class Slabv1Manifest(Slabv1):
249 content_type = 'manifest'
250 schema = 'http://senslab.info/resources/rspec/1/manifest.xsd'
251 #http://www.geni.net/resources/rspec/3/manifest.xsd
252 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"/>'
255 if __name__ == '__main__':
256 from sfa.rspecs.rspec import RSpec
257 from sfa.rspecs.rspec_elements import *
258 r = RSpec('/tmp/slab.rspec')
259 r.load_rspec_elements(Slabv1.elements)
260 r.namespaces = Slabv1.namespaces
261 print r.get(RSpecElements.NODE)