Example #1
0
    def to_sfa_rspec(rspec, content_type = None):
        if not isinstance(rspec, RSpec):
            pg_rspec = RSpec(rspec)
        else:
            pg_rspec = rspec
        
        version_manager = VersionManager()
        sfa_version = version_manager._get_version('sfa', '1')    
        sfa_rspec = RSpec(version=sfa_version)

        #nodes = pg_rspec.version.get_nodes()
        #sfa_rspec.version.add_nodes(nodes())
        #sfa_rspec.version.add_links(pg_rspec.version.get_links())
        #return sfa_rspec.toxml() 

        # get network
        networks = pg_rspec.version.get_networks()
        network_hrn = networks[0]["name"]
        network_element = sfa_rspec.xml.add_element('network', name=network_hrn, id=network_hrn)
        
        # get nodes
        pg_nodes_elements = pg_rspec.version.get_nodes()
        nodes_with_slivers = pg_rspec.version.get_nodes_with_slivers()
        i = 1
        for pg_node in pg_nodes_elements:
            attribs = dict(pg_node.items())
            attribs['id'] = 'n'+str(i)
            
            node_element = network_element.add_element('node')
            for attrib in attribs:
                if type(attribs[attrib]) == str:
                    node_element.set(attrib, attribs[attrib])
            urn = pg_node["component_id"]
            if urn:
                if type(urn)==list:
                    # legacy code, not sure if urn is ever a list...
                    urn = urn[0]
                hostname = Xrn.urn_split(urn)[-1]
                hostname_element = node_element.add_element('hostname')
                hostname_element.set_text(hostname)
                if hostname in nodes_with_slivers:
                    node_element.add_element('sliver')

            for hardware_type in pg_node["hardware_types"]:
                if "name" in hardware_type:
                    node_element.add_element("hardware_type", name=hardware_type["name"])
                     
            # just copy over remaining child elements  
            #for child in pg_node_element.getchildren():
            #    node_element.append(transform(child).getroot())
            i = i+1
 
        return sfa_rspec.toxml()
Example #2
0
    def get_rspec(self, version=None, slice_leaf=None, projectName=None, created_vms=[], new_nodes=[], options={}):

        version_manager = VersionManager()
        version = version_manager.get_version(version)
        if slice_leaf:
            # Manifest RSpec will be used when somebody creates an sliver, returning the resources of this AM and the vm(s) requested by the user.
            rspec_version = version_manager._get_version(version.type, version.version, "manifest")
            options["slice"] = slice_leaf
            nodes = self.get_nodes_in_geni(options, slice_leaf, projectName, created_vms, new_nodes)
            rspec = RSpec(version=rspec_version, user_options=options)
            rspec.version.add_nodes_geni(nodes)

        else:
            rspec_version = version_manager._get_version(version.type, version.version, "ad")
            nodes = self.get_nodes(options, slice_leaf, projectName, created_vms, new_nodes)
            rspec = RSpec(version=rspec_version, user_options=options)
            # nodes = self.get_nodes(options,slice_leaf,projectName,created_vms,new_nodes)
            rspec.version.add_nodes(nodes)
        return rspec.toxml()
Example #3
0
    def to_pg_rspec(rspec, content_type = None):
        if not isinstance(rspec, RSpec):
            sfa_rspec = RSpec(rspec)
        else:
            sfa_rspec = rspec
  
        if not content_type or content_type not in \
          ['ad', 'request', 'manifest']:
            content_type = sfa_rspec.version.content_type
     
 
        version_manager = VersionManager()
        pg_version = version_manager._get_version('protogeni', '2', 'request')
        pg_rspec = RSpec(version=pg_version)
 
        # get networks
        networks = sfa_rspec.version.get_networks()
        
        for network in networks:
            # get nodes
            sfa_node_elements = sfa_rspec.version.get_node_elements(network=network)
            for sfa_node_element in sfa_node_elements:
                # create node element
                node_attrs = {}
                node_attrs['exclusive'] = 'false'
                if 'component_manager_id' in sfa_node_element.attrib:
                    node_attrs['component_manager_id'] = sfa_node_element.attrib['component_manager_id']
                else:
                    node_attrs['component_manager_id'] = hrn_to_urn(network, 'authority+cm')

                if 'component_id' in sfa_node_element.attrib:
                    node_attrs['compoenent_id'] = sfa_node_element.attrib['component_id']

                if sfa_node_element.find('hostname') != None:
                    hostname = sfa_node_element.find('hostname').text
                    node_attrs['component_name'] = hostname
                    node_attrs['client_id'] = hostname
                node_element = pg_rspec.xml.add_element('node', node_attrs)    
            
                if content_type == 'request':
                    sliver_element = sfa_node_element.find('sliver')
                    sliver_type_elements = sfa_node_element.xpath('./sliver_type', namespaces=sfa_rspec.namespaces)
                    available_sliver_types = [element.attrib['name'] for element in sliver_type_elements]
                    valid_sliver_types = ['emulab-openvz', 'raw-pc']
                   
                    # determine sliver type 
                    requested_sliver_type = 'emulab-openvz'
                    for available_sliver_type in available_sliver_types:
                        if available_sliver_type in valid_sliver_types:
                            requested_sliver_type = available_sliver_type
                                
                    if sliver_element != None:
                        pg_rspec.xml.add_element('sliver_type', {'name': requested_sliver_type}, parent=node_element) 
                else:
                    # create node_type element
                    for hw_type in ['plab-pc', 'pc']:
                        hdware_type_element = pg_rspec.xml.add_element('hardware_type', {'name': hw_type}, parent=node_element)
                    # create available element
                    pg_rspec.xml.add_element('available', {'now': 'true'}, parent=node_element)
                    # create locaiton element
                    # We don't actually associate nodes with a country. 
                    # Set country to "unknown" until we figure out how to make
                    # sure this value is always accurate.
                    location = sfa_node_element.find('location')
                    if location != None:
                        location_attrs = {}      
                        location_attrs['country'] =  location.get('country', 'unknown')
                        location_attrs['latitude'] = location.get('latitude', 'None')
                        location_attrs['longitude'] = location.get('longitude', 'None')
                        pg_rspec.xml.add_element('location', location_attrs, parent=node_element)

        return pg_rspec.toxml()