#!/usr/bin/python
-from __future__ import with_statement
from lxml import etree
-from xmlbuilder import XMLBuilder
from StringIO import StringIO
+from sfa.rspecs.rspec import RSpec
from sfa.util.xrn import *
+from sfa.util.plxrn import hostname_to_urn
+from sfa.util.config import Config
-class PGRSpec:
- xml_tree = None
- namespaces = {'rspecv2':'http://www.protogeni.net/resources/rspec/0.2'}
-
+class PGRSpec(RSpec):
+ xml = None
+ header = '<?xml version="1.0"?>\n'
+ namespaces = {'rspecv2':'http://www.protogeni.net/resources/rspec/0.2',
+ 'xsi': 'http://www.w3.org/2001/XMLSchema-instance'
+ }
+ schemas = {'xsi': 'http://www.protogeni.net/resources/rspec/0.2 http://www.protogeni.net/resources/rspec/0.2/ad.xsd'
+ }
- def __init__(self, rspec="", namespaces={}):
- try:
- self.xml_tree = etree.parse(rspec)
- if namespaces:
- self.namespaces = namespaces
-
- except IOError:
- # 'rspec' file doesnt exist. 'rspec' is proably an xml string
- try:
- self.xml_tree = etree.parse(StringIO(rspec))
- except:
- raise IOError("Must specify a xml file or xml string. Received: " + rspec )
+ def create(self, type="advertisement"):
+ RSpec.create(self)
+ for namespace in self.namespaces:
+ xmlns = "xmlns"
+ if namespace not in 'rspecv2':
+ xmlns = xmlns + ":" + namespace
+ self.xml.set(xmlns, self.namespaces[namespace])
+ for schema in self.schemas:
+ self.xml.set(schema+":schemaLocation", self.schemas[schema])
def get_network(self):
network = None
- root = self.xml_tree.getroot()
- nodes = root.xpath("//rspecv2:node[@component_manager_uuid][1]", self.namespaces)
+ nodes = self.xml.xpath('//rspecv2:node[@component_manager_uuid][1]', self.namespaces)
if nodes:
network = nodes[0].get('component_manager_uuid')
return network
def get_nodes(self, nodes_with_slivers=False):
- root = self.xml_tree.getroot()
- nodes = root.xpath("//rspecv2:node", self.namespaces)
+ nodes = self.xml.xpath('//rspecv2:node', self.namespaces)
return nodes
+ def add_nodes(self, nodes, check_for_dupes=False):
+ if not isinstance(nodes, list):
+ nodes = [nodes]
+ for node in nodes:
+ urn = ""
+ if check_for_dupes and \
+ self.xml.xpath('//rspecv2:node[@component_uuid="%s"]' % urn, self.namespaces):
+ # node already exists
+ continue
+
+ node_tag = etree.SubElement(self.xml, 'node')
+ node_type_tag = etree.SubElement(node_tag, 'node_type', type_name='pcvm', type_slots='100')
+ available_tag = etree.SubElement(node_tag, 'available').text = 'true'
+ exclusive_tag = etree.SubElement(node_tag, 'exclusive').text = 'false'
+ location_tag = etree.SubElement(node_tag, 'location')
+ interface_tag = etree.SubElement(node_tag, 'interface')
+
- def to_sfa_node(self, site, node, i=0):
- cm_urn = node.get('component_manager_uuid')
- c_name = node.get('component_name')
- c_urn = node.get('component_uuid')
- c_hrn, _ = urn_to_hrn(c_urn)
- node_tag = etree.SubElement(site, "node")
- node_tag.set("component_manager_uuid", cm_urn)
- node_tag.set("component_name", c_name)
- node_tag.set("component_uuid", c_urn)
- hostname_tag = etree.SubElement(node_tag, "hostname").text = c_hrn
- urn_tag = etree.SubElement(node_tag, "urn").text = c_hrn
- for child in node.getchildren():
- node_tag.append(transform(child).getroot())
+ def add_slivers(self, slivers, check_for_dupes=False):
+ pass
+ def add_links(self, links, check_for_dupes=False):
+ pass
- def to_sfa_network(self, xml):
- network_urn = self.get_network()
- network, _ = urn_to_hrn(network_urn)
- nodes = self.get_nodes()
- network_tag = etree.SubElement(xml, "network")
- network_tag.set("name", network)
- network_tag.set("id", network)
- site_tag = etree.SubElement(network_tag, "Site")
- site_tag.set("id", network)
- name = etree.SubElement(site_tag, "name").text = network
- i = 0
- for node in nodes:
- self.to_sfa_node(site_tag, node, i)
-
- def to_sfa_rspec(self):
- header = '<?xml version="1.0"?>\n'
- xml = etree.Element("RSpec", type="SFA")
- self.to_sfa_network(xml)
- return header + etree.tostring(xml, pretty_print=True)
if __name__ == '__main__':
- pass
+ rspec = PGRSpec()
+ rspec.add_nodes([1])
+ print rspec