def add_slivers(self, hostnames, attributes=[], sliver_urn=None, append=False): # all nodes hould already be present in the rspec. Remove all # nodes that done have slivers print>>sys.stderr, "\r\n \r\n \r\n \t\t\t SLABv1.PY add_slivers ----->get_node " for hostname in hostnames: node_elems = self.get_nodes({'component_id': '*%s*' % hostname}) if not node_elems: continue node_elem = node_elems[0] # determine sliver types for this node #TODO : add_slivers valid type of sliver needs to be changed 13/07/12 SA valid_sliver_types = ['slab-node', 'emulab-openvz', 'raw-pc', 'plab-vserver', 'plab-vnode'] #valid_sliver_types = ['emulab-openvz', 'raw-pc', 'plab-vserver', 'plab-vnode'] requested_sliver_type = None for sliver_type in node_elem.get('slivers', []): if sliver_type.get('type') in valid_sliver_types: requested_sliver_type = sliver_type['type'] if not requested_sliver_type: continue sliver = {'type': requested_sliver_type, 'pl_tags': attributes} print>>sys.stderr, "\r\n \r\n \r\n \t\t\t SLABv1.PY add_slivers node_elem %s sliver_type %s \r\n \r\n " %(node_elem, sliver_type) # remove available element for available_elem in node_elem.xpath('./default:available | ./available'): node_elem.remove(available_elem) # remove interface elements for interface_elem in node_elem.xpath('./default:interface | ./interface'): node_elem.remove(interface_elem) # remove existing sliver_type elements for sliver_type in node_elem.get('slivers', []): node_elem.element.remove(sliver_type.element) # set the client id node_elem.element.set('client_id', hostname) if sliver_urn: pass # TODO # set the sliver id #slice_id = sliver_info.get('slice_id', -1) #node_id = sliver_info.get('node_id', -1) #sliver_id = urn_to_sliver_id(sliver_urn, slice_id, node_id) #node_elem.set('sliver_id', sliver_id) # add the sliver type elemnt Slabv1Sliver.add_slivers(node_elem.element, sliver) #Slabv1SliverType.add_slivers(node_elem.element, sliver) # remove all nodes without slivers if not append: for node_elem in self.get_nodes(): if not node_elem['client_id']: parent = node_elem.element.getparent() parent.remove(node_elem.element)
def remove_slivers(xml, hostnames): for hostname in hostnames: nodes = Slabv1Node.get_nodes(xml, \ {'component_id': '*%s*' % hostname}) for node in nodes: slivers = Slabv1Sliver.get_slivers(node.element) for sliver in slivers: node.element.remove(sliver.element)
def add_slivers(xml, slivers): logger.debug("SLABv1NODE \tadd_slivers ") component_ids = [] for sliver in slivers: filter_sliver = {} if isinstance(sliver, str): filter_sliver['component_id'] = '*%s*' % sliver sliver = {} elif 'component_id' in sliver and sliver['component_id']: filter_sliver['component_id'] = '*%s*' % sliver['component_id'] if not filter_sliver: continue nodes = Slabv1Node.get_nodes(xml, filter_sliver) if not nodes: continue node = nodes[0] Slabv1Sliver.add_slivers(node, sliver)
def get_node_objs(node_elems): nodes = [] for node_elem in node_elems: node = Node(node_elem.attrib, node_elem) nodes.append(node) if 'component_id' in node_elem.attrib: node['authority_id'] = \ Xrn(node_elem.attrib['component_id']).get_authority_urn() # get hardware types hardware_type_elems = node_elem.xpath('./default:hardware_type | \ ./hardware_type') node['hardware_types'] = [hw_type.get_instance(HardwareType) \ for hw_type in hardware_type_elems] # get location location_elems = node_elem.xpath('./default:location | ./location') locations = [location_elem.get_instance(Location) \ for location_elem in location_elems] if len(locations) > 0: node['location'] = locations[0] # get interfaces iface_elems = node_elem.xpath('./default:interface | ./interface') node['interfaces'] = [iface_elem.get_instance(Interface) \ for iface_elem in iface_elems] # get services #node['services'] = PGv2Services.get_services(node_elem) # get slivers node['slivers'] = Slabv1Sliver.get_slivers(node_elem) available_elems = node_elem.xpath('./default:available | \ ./available') if len(available_elems) > 0 and 'name' in available_elems[0].attrib: if available_elems[0].attrib.get('now', '').lower() == 'true': node['boot_state'] = 'boot' else: node['boot_state'] = 'disabled' logger.debug("SLABV1NODE \tget_nodes_objs \ #nodes %s"%(nodes)) return nodes
def add_nodes(xml, nodes): #Add network item in the xml network_elems = xml.xpath('//network') if len(network_elems) > 0: network_elem = network_elems[0] elif len(nodes) > 0 and nodes[0].get('component_manager_id'): network_urn = nodes[0]['component_manager_id'] network_elem = xml.add_element('network', \ name = Xrn(network_urn).get_hrn()) else: network_elem = xml #logger.debug("slabv1Node \t add_nodes nodes %s \r\n "%(nodes)) node_elems = [] #Then add nodes items to the network item in the xml for node in nodes: #Attach this node to the network element node_fields = ['component_manager_id', 'component_id', 'exclusive',\ 'boot_state', 'mobile'] node_elem = network_elem.add_instance('node', node, node_fields) node_elems.append(node_elem) #Set the attibutes of this node element for attribute in node: # set component name if attribute is 'component_id': component_name = node['component_name'] node_elem.set('component_name', component_name) # set hardware types, extend fields to add Senslab's architecture #and radio type if attribute is 'hardware_types': for hardware_type in node.get('hardware_types', []): fields = HardwareType.fields fields.extend(['archi','radio']) node_elem.add_instance('hardware_types', node, fields) # set location if attribute is 'location': node_elem.add_instance('location', node['location'], \ Location.fields) # add granularity of the reservation system #TODO put the granularity in network instead SA 18/07/12 if attribute is 'granularity' : granularity = node['granularity'] if granularity: node_elem.add_instance('granularity', \ granularity, granularity.fields) # set available element if attribute is 'boot_state': if node.get('boot_state').lower() == 'alive': available_elem = node_elem.add_element('available', \ now='true') else: available_elem = node_elem.add_element('available', \ now='false') #set position if attribute is 'position': node_elem.add_instance('position', node['position'], \ SlabPosition.fields) ## add services #PGv2Services.add_services(node_elem, node.get('services', [])) # add slivers if attribute is 'slivers': slivers = node.get('slivers', []) if not slivers: # we must still advertise the available sliver types slivers = Sliver({'type': 'slab-node'}) # we must also advertise the available initscripts #slivers['tags'] = [] #if node.get('pl_initscripts'): #for initscript in node.get('pl_initscripts', []): #slivers['tags'].append({'name': 'initscript', \ #'value': initscript['name']}) Slabv1Sliver.add_slivers(node_elem, slivers) return node_elems