Small edit in order to test the git repo. NT.
[sfa.git] / sfa / rspecs / pg_rspec.py
index 194361e..3d2ae4f 100755 (executable)
@@ -4,20 +4,65 @@ 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  
+from sfa.util.config import Config 
+from sfa.rspecs.rspec_version import RSpecVersion 
 
+_ad_version = {'type':  'ProtoGENI',
+            'version': '2',
+            'schema': 'http://www.protogeni.net/resources/rspec/2/ad.xsd',
+            'namespace': 'http://www.protogeni.net/resources/rspec/2',
+            'extensions':  [
+                'http://www.protogeni.net/resources/rspec/ext/gre-tunnel/1',
+                'http://www.protogeni.net/resources/rspec/ext/other-ext/3'
+            ]
+}
+
+_request_version = {'type':  'ProtoGENI',
+            'version': '2',
+            'schema': 'http://www.protogeni.net/resources/rspec/2/request.xsd',
+            'namespace': 'http://www.protogeni.net/resources/rspec/2',
+            'extensions':  [
+                'http://www.protogeni.net/resources/rspec/ext/gre-tunnel/1',
+                'http://www.protogeni.net/resources/rspec/ext/other-ext/3'
+            ]
+}
+pg_rspec_ad_version = RSpecVersion(_ad_version)
+pg_rspec_request_version = RSpecVersion(_request_version)
 
 class PGRSpec(RSpec):
-    header = '<?xml version="1.0"?>\n'
-    template = """<rspec xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.protogeni.net/resources/rspec/0.2" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/0.2 http://www.protogeni.net/resources/rspec/0.2/ad.xsd"></rspec>"""
-    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'
-            }
-    format = 'pg'
     xml = None
+    header = '<?xml version="1.0"?>\n'
+    template = """<rspec xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.protogeni.net/resources/rspec/2" xsi:schemaLocation="http://www.protogeni.net/resources/rspec/2 http://www.protogeni.net/resources/rspec/2/%(rspec_type)s.xsd"></rspec>"""
+
+    def __init__(self, rspec="", namespaces={}, type=None):
+        if not type:
+            type = 'advertisement'
+        self.type = type
+
+        if type == 'advertisement':
+            self.version = pg_rspec_ad_version
+            rspec_type = 'ad'
+        else:
+            self.version = pg_rspec_request_version
+            rspec_type = type
+        
+        self.template = self.template % {'rspec_type': rspec_type}
 
+        if not namespaces:
+            self.namespaces = {'rspecv2': self.version['namespace']}
+        else:
+            self.namespaces = namespaces 
+
+        if rspec:
+            self.parse_rspec(rspec, self.namespaces)
+        else: 
+            self.create()
+
+    def create(self):
+        RSpec.create(self)
+        if self.type:
+            self.xml.set('type', self.type) 
+       
     def get_network(self):
         network = None 
         nodes = self.xml.xpath('//rspecv2:node[@component_manager_uuid][1]', namespaces=self.namespaces)
@@ -30,11 +75,12 @@ class PGRSpec(RSpec):
         return set(networks)
 
     def get_node_elements(self):
-        nodes = self.xml.xpath('//rspecv2:node', namespaces=self.namespaces)
+        nodes = self.xml.xpath('//rspecv2:node | //node', namespaces=self.namespaces)
         return nodes
 
     def get_nodes(self, network=None):
-        return self.xml.xpath('//rspecv2:node[@component_name]/@component_name', namespaces=self.namespaces) 
+        xpath = '//rspecv2:node[@component_name]/@component_name | //node[@component_name]/@component_name'
+        return self.xml.xpath(xpath, namespaces=self.namespaces) 
 
     def get_nodes_with_slivers(self, network=None):
         if network:
@@ -55,17 +101,18 @@ class PGRSpec(RSpec):
                 # node already exists
                 continue
                 
-            node_tag = etree.SubElement(self.xml, 'node')
+            node_tag = etree.SubElement(self.xml, 'node', exclusive='false')
             if 'network_urn' in node:
                 node_tag.set('component_manager_id', node['network_urn'])
             if 'urn' in node:
                 node_tag.set('component_id', node['urn'])
             if 'hostname' in node:
                 node_tag.set('component_name', node['hostname'])
-            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', location="US")
+            # TODO: should replace plab-pc with pc model 
+            node_type_tag = etree.SubElement(node_tag, 'hardware_type', name='plab-pc')
+            node_type_tag = etree.SubElement(node_tag, 'hardware_type', name='pc')
+            available_tag = etree.SubElement(node_tag, 'available', now='true')
+            location_tag = etree.SubElement(node_tag, 'location', country="us")
             if 'site' in node:
                 if 'longitude' in node['site']:
                     location_tag.set('longitude', str(node['site']['longitude']))
@@ -74,27 +121,58 @@ class PGRSpec(RSpec):
             #if 'interfaces' in node:
             
 
-    def add_slivers(self, hostnames, check_for_dupes=False): 
-        if not isinstance(hostnames, list):
-            hostnames = [hostnames]
-
+    def add_slivers(self, slivers, sliver_urn=None, no_dupes=False): 
+        slivers = self._process_slivers(slivers)
         nodes_with_slivers = self.get_nodes_with_slivers()
-        for hostname in hostnames:
+        for sliver in slivers:
+            hostname = sliver['hostname']
             if hostname in nodes_with_slivers:
                 continue
             nodes = self.xml.xpath('//rspecv2:node[@component_name="%s"] | //node[@component_name="%s"]' % (hostname, hostname), namespaces=self.namespaces)
             if nodes:
                 node = nodes[0]
                 node.set('client_id', hostname)
-                etree.SubElement(node, 'sliver_type', name='planetlab-vnode')
+                if sliver_urn:
+                    node.set('sliver_id', sliver_urn)
+                etree.SubElement(node, 'sliver_type', name='plab-vnode')
 
-    def add_interfaces(self, interfaces, check_for_dupes=False):
+    def add_interfaces(self, interfaces, no_dupes=False):
         pass
 
-    def add_links(self, links, check_for_dupes=False):
+    def add_links(self, links, no_dupes=False):
         pass
 
 
+    def merge(self, in_rspec):
+        """
+        Merge contents for specified rspec with current rspec
+        """
+        
+        # just copy over all the child elements under the root element
+        tree = etree.parse(StringIO(in_rspec))
+        root = tree.getroot()
+        for child in root.getchildren():
+            self.xml.append(child)
+                  
+    def cleanup(self):
+        # remove unncecessary elements, attributes
+        if self.type in ['request', 'manifest']:
+            # remove nodes without slivers
+            nodes = self.get_node_elements()
+            for node in nodes:
+                delete = True
+                hostname = node.get('component_name')
+                parent = node.getparent()
+                children = node.getchildren()
+                for child in children:
+                    if child.tag.endswith('sliver_type'):
+                        delete = False
+                if delete:
+                    parent.remove(node)
+
+            # remove 'available' element from remaining node elements
+            self.remove_element('//rspecv2:available | //available')
+
 if __name__ == '__main__':
     rspec = PGRSpec()
     rspec.add_nodes([1])