1 from __future__ import print_function
3 from copy import deepcopy
4 from sfa.util.xrn import Xrn
5 from sfa.rspecs.version import RSpecVersion
6 from sfa.rspecs.elements.versions.pgv2Link import PGv2Link
7 from sfa.rspecs.elements.versions.pgv2Node import PGv2Node
8 from sfa.rspecs.elements.versions.pgv2SliverType import PGv2SliverType
9 from sfa.rspecs.elements.versions.pgv2Lease import PGv2Lease
10 from sfa.util.sfalogging import logger
11 from sfa.util.py23 import StringType
14 class PGv2(RSpecVersion):
18 schema = 'http://www.protogeni.net/resources/rspec/2/ad.xsd'
19 namespace = 'http://www.protogeni.net/resources/rspec/2'
21 'flack': "http://www.protogeni.net/resources/rspec/ext/flack/1",
22 'planetlab': "http://www.planet-lab.org/resources/sfa/ext/planetlab/1",
23 'plos': "http://www.planet-lab.org/resources/sfa/ext/plos/1",
25 namespaces = dict(list(extensions.items()) + [('default', namespace)])
28 def get_networks(self):
30 nodes = self.xml.xpath('//default:node[@component_manager_id] | //node[@component_manager_id]',
31 namespaces=self.namespaces)
33 if 'component_manager_id' in node.attrib:
34 network_urn = node.get('component_manager_id')
35 if network_urn.startswith("urn:"):
36 network_hrn = Xrn(network_urn).get_hrn()
38 # some component_manager_ids are hrns instead of urns??
39 network_hrn = network_urn
40 network_names.add(network_hrn)
41 network_names = list(network_names)
42 networks = [{"name": x} for x in network_names]
47 def get_nodes(self, filter=None):
48 return PGv2Node.get_nodes(self.xml, filter)
50 def get_nodes_with_slivers(self):
51 return PGv2Node.get_nodes_with_slivers(self.xml)
53 def add_nodes(self, nodes, check_for_dupes=False, rspec_content_type=None):
54 return PGv2Node.add_nodes(self.xml, nodes, rspec_content_type)
56 def merge_node(self, source_node_tag):
58 self.xml.root.append(deepcopy(source_node_tag))
62 def get_sliver_attributes(self, component_id, network=None):
63 nodes = self.get_nodes({'component_id': '*%s*' % component_id})
66 sliver = node.xpath('./default:sliver_type',
67 namespaces=self.namespaces)
68 if sliver is not None and isinstance(sliver, list) and len(sliver) > 0:
70 return self.attributes_list(sliver)
76 def get_slice_attributes(self, network=None):
78 nodes_with_slivers = self.get_nodes_with_slivers()
79 # TODO: default sliver attributes in the PG rspec?
80 default_ns_prefix = self.namespaces['default']
81 for node in nodes_with_slivers:
82 sliver_attributes = self.get_sliver_attributes(
83 node['component_id'], network)
84 for sliver_attribute in sliver_attributes:
85 name = str(sliver_attribute[0])
86 text = str(sliver_attribute[1])
87 attribs = sliver_attribute[2]
88 # we currently only suppor the <initscript> and <flack>
91 attribute = {'name': 'flack_info',
92 'value': str(attribs), 'node_id': node}
93 slice_attributes.append(attribute)
94 elif 'initscript' in name:
95 if attribs is not None and 'name' in attribs:
96 value = attribs['name']
99 attribute = {'name': 'initscript',
100 'value': value, 'node_id': node}
101 slice_attributes.append(attribute)
103 return slice_attributes
105 def attributes_list(self, elem):
109 opts.append((e.tag, str(e.text).strip(), e.attrib))
112 def get_default_sliver_attributes(self, network=None):
115 def add_default_sliver_attribute(self, name, value, network=None):
118 def add_slivers(self, hostnames, attributes=None, sliver_urn=None, append=False):
119 if attributes is None:
121 # all nodes hould already be present in the rspec. Remove all
122 # nodes that done have slivers
123 for hostname in hostnames:
124 node_elems = self.get_nodes({'component_id': '*%s*' % hostname})
127 node_elem = node_elems[0]
129 # determine sliver types for this node
130 valid_sliver_types = ['emulab-openvz',
131 'raw-pc', 'plab-vserver', 'plab-vnode']
132 requested_sliver_type = None
133 for sliver_type in node_elem.get('slivers', []):
134 if sliver_type.get('type') in valid_sliver_types:
135 requested_sliver_type = sliver_type['type']
137 if not requested_sliver_type:
139 sliver = {'type': requested_sliver_type,
140 'pl_tags': attributes}
142 # remove available element
143 for available_elem in node_elem.xpath('./default:available | ./available'):
144 node_elem.remove(available_elem)
146 # remove interface elements
147 for interface_elem in node_elem.xpath('./default:interface | ./interface'):
148 node_elem.remove(interface_elem)
150 # remove existing sliver_type elements
151 for sliver_type in node_elem.get('slivers', []):
152 node_elem.element.remove(sliver_type.element)
155 node_elem.element.set('client_id', hostname)
160 #slice_id = sliver_info.get('slice_id', -1)
161 #node_id = sliver_info.get('node_id', -1)
162 #sliver_id = Xrn(xrn=sliver_urn, type='slice', id=str(node_id)).get_urn()
163 #node_elem.set('sliver_id', sliver_id)
165 # add the sliver type elemnt
166 PGv2SliverType.add_slivers(node_elem.element, sliver)
168 # remove all nodes without slivers
170 for node_elem in self.get_nodes():
171 if not node_elem['client_id']:
172 parent = node_elem.element.getparent()
173 parent.remove(node_elem.element)
175 def remove_slivers(self, slivers, network=None, no_dupes=False):
176 PGv2Node.remove_slivers(self.xml, slivers)
180 def get_links(self, network=None):
181 return PGv2Link.get_links(self.xml)
183 def get_link_requests(self):
184 return PGv2Link.get_link_requests(self.xml)
186 def add_links(self, links):
187 PGv2Link.add_links(self.xml.root, links)
189 def add_link_requests(self, link_tuples, append=False):
190 PGv2Link.add_link_requests(self.xml.root, link_tuples, append)
194 def get_leases(self, filter=None):
195 return PGv2Lease.get_leases(self.xml, filter)
197 def add_leases(self, leases, network=None, no_dupes=False):
198 PGv2Lease.add_leases(self.xml, leases)
202 def get_channels(self, filter=None):
205 def add_channels(self, channels, network=None, no_dupes=False):
210 def merge(self, in_rspec):
212 Merge contents for specified rspec with current rspec
214 from sfa.rspecs.rspec import RSpec
215 # just copy over all the child elements under the root element
216 if isinstance(in_rspec, StringType):
217 in_rspec = RSpec(in_rspec)
219 nodes = in_rspec.version.get_nodes()
220 # protogeni rspecs need to advertise the availabel sliver types
223 if not node['component_name']:
224 # this node element is part of a lease
226 if 'sliver' not in node or not node['sliver']:
227 node['sliver'] = {'name': 'plab-vserver'}
228 main_nodes.append(node)
229 self.add_nodes(main_nodes)
230 self.add_links(in_rspec.version.get_links())
233 leases = in_rspec.version.get_leases()
234 self.add_leases(leases)
236 #rspec = RSpec(in_rspec)
237 # for child in rspec.xml.iterchildren():
238 # self.xml.root.append(child)
241 # remove unncecessary elements, attributes
242 if self.type in ['request', 'manifest']:
243 # remove 'available' element from remaining node elements
244 self.xml.remove_element('//default:available | //available')
250 schema = 'http://www.protogeni.net/resources/rspec/2/ad.xsd'
251 template = '<rspec type="advertisement" xmlns="http://www.protogeni.net/resources/rspec/2" xmlns:flack="http://www.protogeni.net/resources/rspec/ext/flack/1" xmlns:plos="http://www.planet-lab.org/resources/sfa/ext/plos/1" xmlns:planetlab="http://www.planet-lab.org/resources/sfa/ext/planetlab/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 http://www.protogeni.net/resources/rspec/2/ad.xsd http://www.planet-lab.org/resources/sfa/ext/planetlab/1 http://www.planet-lab.org/resources/sfa/ext/planetlab/1/planetlab.xsd http://www.planet-lab.org/resources/sfa/ext/plos/1 http://www.planet-lab.org/resources/sfa/ext/plos/1/plos.xsd"/>'
254 class PGv2Request(PGv2):
256 content_type = 'request'
257 schema = 'http://www.protogeni.net/resources/rspec/2/request.xsd'
258 template = '<rspec type="request" xmlns="http://www.protogeni.net/resources/rspec/2" xmlns:flack="http://www.protogeni.net/resources/rspec/ext/flack/1" xmlns:plos="http://www.planet-lab.org/resources/sfa/ext/plos/1" xmlns:planetlab="http://www.planet-lab.org/resources/sfa/ext/planetlab/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 http://www.protogeni.net/resources/rspec/2/request.xsd http://www.planet-lab.org/resources/sfa/ext/planetlab/1 http://www.planet-lab.org/resources/sfa/ext/planetlab/1/planetlab.xsd http://www.planet-lab.org/resources/sfa/ext/plos/1 http://www.planet-lab.org/resources/sfa/ext/plos/1/plos.xsd"/>'
261 class PGv2Manifest(PGv2):
263 content_type = 'manifest'
264 schema = 'http://www.protogeni.net/resources/rspec/2/manifest.xsd'
265 template = '<rspec type="manifest" xmlns="http://www.protogeni.net/resources/rspec/2" xmlns:plos="http://www.planet-lab.org/resources/sfa/ext/plos/1" xmlns:flack="http://www.protogeni.net/resources/rspec/ext/flack/1" xmlns:planetlab="http://www.planet-lab.org/resources/sfa/ext/planetlab/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 http://www.protogeni.net/resources/rspec/2/manifest.xsd http://www.planet-lab.org/resources/sfa/ext/planetlab/1 http://www.planet-lab.org/resources/sfa/ext/planetlab/1/planetlab.xsd http://www.planet-lab.org/resources/sfa/ext/plos/1 http://www.planet-lab.org/resources/sfa/ext/plos/1/plos.xsd"/>'
268 if __name__ == '__main__':
269 from sfa.rspecs.rspec import RSpec
270 from sfa.rspecs.rspec_elements import *
271 r = RSpec('/tmp/pg.rspec')
272 r.load_rspec_elements(PGv2.elements)
273 r.namespaces = PGv2.namespaces
274 print(r.get(RSpecElements.NODE))