#!/usr/bin/python from sfa.util.xrn import hrn_to_urn, urn_to_hrn from sfa.util.plxrn import PlXrn, hostname_to_urn, hrn_to_pl_slicename, urn_to_sliver_id from sfa.rspecs.rspec import RSpec from sfa.rspecs.elements.hardware_type import HardwareType from sfa.rspecs.elements.link import Link from sfa.rspecs.elements.login import Login from sfa.rspecs.elements.interface import Interface from sfa.rspecs.elements.services import Services from sfa.rspecs.elements.pltag import PLTag from sfa.util.topology import Topology from sfa.rspecs.version_manager import VersionManager from sfa.plc.vlink import get_tc_rate class Aggregate: api = None #panos new user options variable user_options = {} def __init__(self, api, user_options={}): self.api = api self.user_options = user_options def get_sites(self, filter={}): sites = {} for site in self.api.driver.GetSites(filter): sites[site['site_id']] = site return sites def get_interfaces(self, filter={}): interfaces = {} for interface in self.api.driver.GetInterfaces(filter): iface = Interface() iface['interface_id'] = interface['interface_id'] iface['node_id'] = interface['node_id'] iface['ipv4'] = interface['ip'] iface['bwlimit'] = interface['bwlimit'] interfaces[iface['interface_id']] = iface return interfaces def get_links(self, filter={}): if not self.api.config.SFA_AGGREGATE_TYPE.lower() == 'vini': return topology = Topology() links = {} for (site_id1, site_id2) in topology: link = Link() if not site_id1 in self.sites or site_id2 not in self.sites: continue site1 = self.sites[site_id1] site2 = self.sites[site_id2] # get hrns site1_hrn = self.api.hrn + '.' + site1['login_base'] site2_hrn = self.api.hrn + '.' + site2['login_base'] # get the first node node1 = self.nodes[site1['node_ids'][0]] node2 = self.nodes[site2['node_ids'][0]] # set interfaces # just get first interface of the first node if1_xrn = PlXrn(auth=self.api.hrn, interface='node%s:eth0' % (node1['node_id'])) if1_ipv4 = self.interfaces[node1['interface_ids'][0]]['ip'] if2_xrn = PlXrn(auth=self.api.hrn, interface='node%s:eth0' % (node2['node_id'])) if2_ipv4 = self.interfaces[node2['interface_ids'][0]]['ip'] if1 = Interface({'component_id': if1_xrn.urn, 'ipv4': if1_ipv4} ) if2 = Interface({'component_id': if2_xrn.urn, 'ipv4': if2_ipv4} ) # set link link = Link({'capacity': '1000000', 'latency': '0', 'packet_loss': '0', 'type': 'ipv4'}) link['interface1'] = if1 link['interface2'] = if2 link['component_name'] = "%s:%s" % (site1['login_base'], site2['login_base']) link['component_id'] = PlXrn(auth=self.api.hrn, interface=link['component_name']).get_urn() link['component_manager_id'] = hrn_to_urn(self.api.hrn, 'authority+am') links[link['component_name']] = link return links def get_node_tags(self, filter={}): node_tags = {} for node_tag in self.api.driver.GetNodeTags(filter): node_tags[node_tag['node_tag_id']] = node_tag return node_tags def get_pl_initscripts(self, filter={}): pl_initscripts = {} filter.update({'enabled': True}) for initscript in self.api.driver.GetInitScripts(filter): pl_initscripts[initscript['initscript_id']] = initscript return pl_initscripts def get_slice_and_slivers(self, slice_xrn): """ Returns a dict of slivers keyed on the sliver's node_id """ slivers = {} slice = None if not slice_xrn: return (slice, slivers) slice_urn = hrn_to_urn(slice_xrn) slice_hrn, _ = urn_to_hrn(slice_xrn) slice_name = hrn_to_pl_slicename(slice_hrn) slices = self.api.driver.GetSlices(slice_name) if not slices: return (slice, slivers) slice = slices[0] # sort slivers by node id for node_id in slice['node_ids']: sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], node_id), 'name': 'plab-vserver', 'tags': []}) slivers[node_id]= sliver # sort sliver attributes by node id tags = self.api.driver.GetSliceTags({'slice_tag_id': slice['slice_tag_ids']}) for tag in tags: # most likely a default/global sliver attribute (node_id == None) if tag['node_id'] not in slivers: sliver = Sliver({'sliver_id': urn_to_sliver_id(slice_urn, slice['slice_id'], ""), 'name': 'plab-vserver', 'tags': []}) slivers[tag['node_id']] = sliver slivers[tag['node_id']]['tags'].append(tag) return (slice, slivers) def get_nodes(self, slice=None): filter = {} if slice and 'node_ids' in slice and slice['node_ids']: filter['node_id'] = slice['node_ids'] filter.update({'peer_id': None}) nodes = self.api.driver.GetNodes(filter) site_ids = [] interface_ids = [] tag_ids = [] for node in nodes: site_ids.append(node['site_id']) interface_ids.extend(node['interface_ids']) tag_ids.extend(node['node_tag_ids']) # get sites sites_dict = self.get_sites({'site_id': site_ids}) # get interfaces interfaces = self.get_interfaces({'interface_id':interface_ids}) # get slivers slivers = self.get_slivers(slice) # get tags node_tags = self.get_node_tags({'node_id': node_ids}) # get initscripts pl_initscripts = self.get_pl_initscripts() rspec_nodes = [] for node in nodes: # skip whitelisted nodes if node['slice_ids_whitelist']: if not slice or slice['slice_id'] not in node['slice_ids_whitelist']: continue rspec_node = Node() rspec_node['component_id'] = hostname_to_urn(self.api.hrn, site['login_base'], node['hostname']) rspec_node['component_name'] = node['hostname'] rspec_node['component_manager_id'] = self.api.hrn rspec_node['authority_id'] = hrn_to_urn(PlXrn.site_hrn(self.api.hrn, site['login_base']), 'authority+sa') rspec_node['boot_state'] = node['boot_state'] rspec_node['exclusive'] = 'False' rspec_node['hardware_types'].append(HardwareType({'name': 'plab-vserver'})) # only doing this because protogeni rspec needs # to advertise available initscripts rspec_node['pl_initscripts'] = pl_initscripts # add site/interface info to nodes. # assumes that sites, interfaces and tags have already been prepared. site = sites_dict[node['site_id']] location = Location({'longitude': site['longitude'], 'latitude': site['latitude']}) rspec_node['location'] = location rspec_node['interfaces'] = [] for if_id in node['interface_ids']: interface = Interface(interfaces[if_id]) interface['ipv4'] = interface['ip'] rspec_node['interfaces'].append(interface) tags = [PLTag(node_tags[tag_id]) for tag_id in node['node_tag_ids']] rspec_node['tags'] = tags if node['node_id'] in slivers: # add sliver info sliver = slivers[node['node_id']] rspec_node['sliver_id'] = sliver['sliver_id'] rspec_node['client_id'] = node['hostname'] rspec_node['slivers'] = [slivers[node['node_id']]] # slivers always provide the ssh service login = Login({'authentication': 'ssh-keys', 'hostname': node['hostname'], port:'22'}) service = Services({'login': login}) rspec_node['services'].append(service) rspec_nodes.append(rspec_node) return rspec_nodes def get_rspec(self, slice_xrn=None, version = None): version_manager = VersionManager() version = version_manager.get_version(version) if not slice_xrn: rspec_version = version_manager._get_version(version.type, version.version, 'ad') else: rspec_version = version_manager._get_version(version.type, version.version, 'manifest') slice, slivers = self.get_slice_and_slivers(slice_xrn) rspec = RSpec(version=rspec_version, user_options=self.user_options) rspec.version.add_nodes(self.get_nodes(slice, slivers)) rspec.version.add_links(self.get_links(slice)) # add sliver defaults default_sliver_attribs = slivers.get(None, []) for sliver_attrib in default_sliver_attribs: rspec.version.add_default_sliver_attribute(sliver_attrib['name'], sliver_attrib['value']) return rspec.toxml()