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 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 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} # 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 = Xrn(xrn=sliver_urn, type='slice', id=str(node_id)).get_urn() #node_elem.set('sliver_id', sliver_id) # add the sliver type elemnt PGv2SliverType.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 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 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 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} # 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 = Xrn(xrn=sliver_urn, type='slice', id=str(node_id)).get_urn() # node_elem.set('sliver_id', sliver_id) # add the sliver type elemnt PGv2SliverType.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 add_nodes(xml, nodes): node_elems = [] for node in nodes: node_fields = [ 'component_manager_id', 'component_id', 'client_id', 'sliver_id', 'exclusive' ] node_elem = xml.add_instance('node', node, node_fields) node_elems.append(node_elem) # set component name if node.get('component_id'): component_name = xrn_to_hostname(node['component_id']) node_elem.set('component_name', component_name) # set hardware types if node.get('hardware_types'): for hardware_type in node.get('hardware_types', []): node_elem.add_instance('hardware_type', hardware_type, HardwareType.fields) # set location if node.get('location'): node_elem.add_instance('location', node['location'], Location.fields) # set interfaces PGv2Interface.add_interfaces(node_elem, node.get('interfaces')) #if node.get('interfaces'): # for interface in node.get('interfaces', []): # node_elem.add_instance('interface', interface, ['component_id', 'client_id']) # set available element if node.get('boot_state'): if node.get('boot_state').lower() == 'boot': available_elem = node_elem.add_element('available', now='true') else: available_elem = node_elem.add_element('available', now='false') # add services PGv2Services.add_services(node_elem, node.get('services', [])) # add slivers slivers = node.get('slivers', []) if not slivers: # we must still advertise the available sliver types slivers = Sliver({'type': 'plab-vserver'}) # 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'] }) PGv2SliverType.add_slivers(node_elem, slivers) return node_elems
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'] = PGv2SliverType.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' return nodes
def remove_slivers(xml, hostnames): for hostname in hostnames: nodes = PGv2Node.get_nodes(xml, {'component_id': '*%s*' % hostname}) for node in nodes: slivers = PGv2SliverType.get_slivers(node.element) for sliver in slivers: node.element.remove(sliver.element)
def add_slivers(xml, slivers): component_ids = [] for sliver in slivers: filter = {} if isinstance(sliver, str): filter['component_id'] = '*%s*' % sliver sliver = {} elif 'component_id' in sliver and sliver['component_id']: filter['component_id'] = '*%s*' % sliver['component_id'] if not filter: continue nodes = PGv2Node.get_nodes(xml, filter) if not nodes: continue node = nodes[0] PGv2SliverType.add_slivers(node, sliver)
def add_slivers(xml, slivers): component_ids = [] for sliver in slivers: filter = {} if isinstance(sliver, str): filter['component_id'] = '*%s*' % sliver sliver = {} elif 'component_id' in sliver and sliver['component_id']: filter['component_id'] = '*%s*' % sliver['component_id'] if not filter: continue nodes = OcfVtNode.get_nodes(xml, filter) if not nodes: continue node = nodes[0] PGv2SliverType.add_slivers(node, sliver)
def add_nodes(xml, nodes): node_elems = [] for node in nodes: node_fields = ['component_manager_id', 'component_id', 'client_id', 'sliver_id', 'exclusive'] node_elem = xml.add_instance('node', node, node_fields) node_elems.append(node_elem) # set component name if node.get('component_id'): component_name = xrn_to_hostname(node['component_id']) node_elem.set('component_name', component_name) # set hardware types if node.get('hardware_types'): for hardware_type in node.get('hardware_types', []): node_elem.add_instance('hardware_type', hardware_type, HardwareType.fields) # set location if node.get('location'): node_elem.add_instance('location', node['location'], Location.fields) # set interfaces PGv2Interface.add_interfaces(node_elem, node.get('interfaces')) #if node.get('interfaces'): # for interface in node.get('interfaces', []): # node_elem.add_instance('interface', interface, ['component_id', 'client_id']) # set available element if node.get('boot_state'): if node.get('boot_state').lower() == 'boot': available_elem = node_elem.add_element('available', now='true') else: available_elem = node_elem.add_element('available', now='false') # add services PGv2Services.add_services(node_elem, node.get('services', [])) # add slivers slivers = node.get('slivers', []) if not slivers: # we must still advertise the available sliver types slivers = Sliver({'type': 'plab-vserver'}) # 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']}) PGv2SliverType.add_slivers(node_elem, slivers) return node_elems
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'] = PGv2SliverType.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' return nodes