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
13 class PGv2(RSpecVersion):
17 schema = 'http://www.protogeni.net/resources/rspec/2/ad.xsd'
18 namespace = 'http://www.protogeni.net/resources/rspec/2'
20 'flack': "http://www.protogeni.net/resources/rspec/ext/flack/1",
21 'planetlab': "http://www.planet-lab.org/resources/sfa/ext/planetlab/1",
22 'plos': "http://www.planet-lab.org/resources/sfa/ext/plos/1",
24 namespaces = dict(list(extensions.items()) + [('default', namespace)])
27 def get_networks(self):
29 nodes = self.xml.xpath('//default:node[@component_manager_id] | //node[@component_manager_id]',
30 namespaces=self.namespaces)
32 if 'component_manager_id' in node.attrib:
33 network_urn = node.get('component_manager_id')
34 if network_urn.startswith("urn:"):
35 network_hrn = Xrn(network_urn).get_hrn()
37 # some component_manager_ids are hrns instead of urns??
38 network_hrn = network_urn
39 network_names.add(network_hrn)
40 network_names = list(network_names)
41 networks = [{"name": x} for x in network_names]
46 def get_nodes(self, filter=None):
47 return PGv2Node.get_nodes(self.xml, filter)
49 def get_nodes_with_slivers(self):
50 return PGv2Node.get_nodes_with_slivers(self.xml)
52 def add_nodes(self, nodes, check_for_dupes=False, rspec_content_type=None):
53 return PGv2Node.add_nodes(self.xml, nodes, rspec_content_type)
55 def merge_node(self, source_node_tag):
57 self.xml.root.append(deepcopy(source_node_tag))
61 def get_sliver_attributes(self, component_id, network=None):
62 nodes = self.get_nodes({'component_id': '*%s*' %component_id})
65 sliver = node.xpath('./default:sliver_type', namespaces=self.namespaces)
66 if sliver is not None and isinstance(sliver, list) and len(sliver) > 0:
68 return self.attributes_list(sliver)
74 def get_slice_attributes(self, network=None):
76 nodes_with_slivers = self.get_nodes_with_slivers()
77 # TODO: default sliver attributes in the PG rspec?
78 default_ns_prefix = self.namespaces['default']
79 for node in nodes_with_slivers:
80 sliver_attributes = self.get_sliver_attributes(node['component_id'], network)
81 for sliver_attribute in sliver_attributes:
82 name=str(sliver_attribute[0])
83 text =str(sliver_attribute[1])
84 attribs = sliver_attribute[2]
85 # we currently only suppor the <initscript> and <flack> attributes
87 attribute = {'name': 'flack_info', 'value': str(attribs), 'node_id': node}
88 slice_attributes.append(attribute)
89 elif 'initscript' in name:
90 if attribs is not None and 'name' in attribs:
91 value = attribs['name']
94 attribute = {'name': 'initscript', 'value': value, 'node_id': node}
95 slice_attributes.append(attribute)
97 return slice_attributes
99 def attributes_list(self, elem):
103 opts.append((e.tag, str(e.text).strip(), e.attrib))
106 def get_default_sliver_attributes(self, network=None):
109 def add_default_sliver_attribute(self, name, value, network=None):
112 def add_slivers(self, hostnames, attributes=None, sliver_urn=None, append=False):
113 if attributes is None: attributes=[]
114 # all nodes hould already be present in the rspec. Remove all
115 # nodes that done have slivers
116 for hostname in hostnames:
117 node_elems = self.get_nodes({'component_id': '*%s*' % hostname})
120 node_elem = node_elems[0]
122 # determine sliver types for this node
123 valid_sliver_types = ['emulab-openvz', 'raw-pc', 'plab-vserver', 'plab-vnode']
124 requested_sliver_type = None
125 for sliver_type in node_elem.get('slivers', []):
126 if sliver_type.get('type') in valid_sliver_types:
127 requested_sliver_type = sliver_type['type']
129 if not requested_sliver_type:
131 sliver = {'type': requested_sliver_type,
132 'pl_tags': attributes}
134 # remove available element
135 for available_elem in node_elem.xpath('./default:available | ./available'):
136 node_elem.remove(available_elem)
138 # remove interface elements
139 for interface_elem in node_elem.xpath('./default:interface | ./interface'):
140 node_elem.remove(interface_elem)
142 # remove existing sliver_type elements
143 for sliver_type in node_elem.get('slivers', []):
144 node_elem.element.remove(sliver_type.element)
147 node_elem.element.set('client_id', hostname)
152 #slice_id = sliver_info.get('slice_id', -1)
153 #node_id = sliver_info.get('node_id', -1)
154 #sliver_id = Xrn(xrn=sliver_urn, type='slice', id=str(node_id)).get_urn()
155 #node_elem.set('sliver_id', sliver_id)
157 # add the sliver type elemnt
158 PGv2SliverType.add_slivers(node_elem.element, sliver)
160 # remove all nodes without slivers
162 for node_elem in self.get_nodes():
163 if not node_elem['client_id']:
164 parent = node_elem.element.getparent()
165 parent.remove(node_elem.element)
167 def remove_slivers(self, slivers, network=None, no_dupes=False):
168 PGv2Node.remove_slivers(self.xml, slivers)
172 def get_links(self, network=None):
173 return PGv2Link.get_links(self.xml)
175 def get_link_requests(self):
176 return PGv2Link.get_link_requests(self.xml)
178 def add_links(self, links):
179 PGv2Link.add_links(self.xml.root, links)
181 def add_link_requests(self, link_tuples, append=False):
182 PGv2Link.add_link_requests(self.xml.root, link_tuples, append)
186 def get_leases(self, filter=None):
187 return PGv2Lease.get_leases(self.xml, filter)
189 def add_leases(self, leases, network = None, no_dupes=False):
190 PGv2Lease.add_leases(self.xml, leases)
194 def get_channels(self, filter=None):
197 def add_channels(self, channels, network = None, no_dupes=False):
202 def merge(self, in_rspec):
204 Merge contents for specified rspec with current rspec
206 from sfa.rspecs.rspec import RSpec
207 # just copy over all the child elements under the root element
208 if isinstance(in_rspec, StringType):
209 in_rspec = RSpec(in_rspec)
211 nodes = in_rspec.version.get_nodes()
212 # protogeni rspecs need to advertise the availabel sliver types
215 if not node['component_name']:
216 # this node element is part of a lease
218 if 'sliver' not in node or not node['sliver']:
219 node['sliver'] = {'name': 'plab-vserver'}
220 main_nodes.append(node)
221 self.add_nodes(main_nodes)
222 self.add_links(in_rspec.version.get_links())
225 leases = in_rspec.version.get_leases()
226 self.add_leases(leases)
228 #rspec = RSpec(in_rspec)
229 #for child in rspec.xml.iterchildren():
230 # self.xml.root.append(child)
235 # remove unncecessary elements, attributes
236 if self.type in ['request', 'manifest']:
237 # remove 'available' element from remaining node elements
238 self.xml.remove_element('//default:available | //available')
243 schema = 'http://www.protogeni.net/resources/rspec/2/ad.xsd'
244 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"/>'
246 class PGv2Request(PGv2):
248 content_type = 'request'
249 schema = 'http://www.protogeni.net/resources/rspec/2/request.xsd'
250 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"/>'
252 class PGv2Manifest(PGv2):
254 content_type = 'manifest'
255 schema = 'http://www.protogeni.net/resources/rspec/2/manifest.xsd'
256 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"/>'
261 if __name__ == '__main__':
262 from sfa.rspecs.rspec import RSpec
263 from sfa.rspecs.rspec_elements import *
264 r = RSpec('/tmp/pg.rspec')
265 r.load_rspec_elements(PGv2.elements)
266 r.namespaces = PGv2.namespaces
267 print(r.get(RSpecElements.NODE))