-
-from lxml import etree
-from sfa.util.plxrn import PlXrn
+from sfa.util.sfalogging import logger
+from sfa.util.xml import XpathFilter
from sfa.util.xrn import Xrn
-from sfa.rspecs.elements.node import Node
+
+from sfa.rspecs.elements.element import Element
+from sfa.rspecs.elements.node import NodeElement
from sfa.rspecs.elements.sliver import Sliver
-from sfa.rspecs.elements.network import Network
from sfa.rspecs.elements.location import Location
from sfa.rspecs.elements.hardware_type import HardwareType
from sfa.rspecs.elements.disk_image import DiskImage
from sfa.rspecs.elements.interface import Interface
from sfa.rspecs.elements.bwlimit import BWlimit
-from sfa.rspecs.elements.pl_tag import PLTag
-from sfa.rspecs.rspec_elements import RSpecElement, RSpecElements
-from sfa.rspecs.elements.versions.sfav1Network import SFAv1Network
+from sfa.rspecs.elements.pltag import PLTag
+from sfa.rspecs.elements.versions.sfav1Sliver import SFAv1Sliver
+from sfa.rspecs.elements.versions.sfav1PLTag import SFAv1PLTag
+from sfa.rspecs.elements.versions.pgv2Services import PGv2Services
+
+from sfa.planetlab.plxrn import xrn_to_hostname
class SFAv1Node:
- elements = {
- 'node': RSpecElement(RSpecElements.NODE, '//default:node | //node'),
- 'sliver': RSpecElement(RSpecElements.SLIVER, './default:sliver | ./sliver'),
- 'interface': RSpecElement(RSpecElements.INTERFACE, './default:interface | ./interface'),
- 'location': RSpecElement(RSpecElements.LOCATION, './default:location | ./location'),
- 'bw_limit': RSpecElement(RSpecElements.BWLIMIT, './default:bw_limit | ./bw_limit'),
- }
-
@staticmethod
def add_nodes(xml, nodes):
- network_elems = SFAv1Network.get_networks(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.root
-
+ network_elem = xml
+
+ node_elems = []
for node in nodes:
- node_elem = etree.SubElement(network_elem, 'node')
- network = None
+ node_fields = ['component_manager_id', 'component_id', 'boot_state']
+ node_elem = network_elem.add_instance('node', node, node_fields)
+ node_elems.append(node_elem)
+
+ # determine network hrn
+ network_hrn = None
if 'component_manager_id' in node and node['component_manager_id']:
- node_elem.set('component_manager_id', node['component_manager_id'])
- network = Xrn(node['component_manager_id']).get_hrn()
+ network_hrn = Xrn(node['component_manager_id']).get_hrn()
+
+ # set component_name attribute and hostname element
if 'component_id' in node and node['component_id']:
- node_elem.set('component_id', node['component_id'])
- xrn = Xrn(node['component_id'])
- node_elem.set('component_name', xrn.get_leaf())
- hostname_tag = etree.SubElement(node_elem, 'hostname').text = xrn.get_leaf()
+ component_name = xrn_to_hostname(node['component_id'])
+ node_elem.set('component_name', component_name)
+ hostname_elem = node_elem.add_element('hostname')
+ hostname_elem.set_text(component_name)
+
+ # set site id
if 'authority_id' in node and node['authority_id']:
node_elem.set('site_id', node['authority_id'])
- if 'boot_state' in node and node['boot_state']:
- node_elem.set('boot_state', node['boot_state'])
- if 'location' in node and node['location']:
- location_elem = etree.SubElement(node_elem, 'location')
- for field in Location.fields:
- if field in node['location'] and node['location'][field]:
- location_elem.set(field, node['location'][field])
-
- if 'interfaces' in node and node['interfaces']:
- i = 0
- for interface in node['interfaces']:
- if 'bwlimit' in interface and interface['bwlimit']:
- bwlimit = etree.SubElement(node_elem, 'bw_limit', units='kbps').text = str(interface['bwlimit']/1000)
- comp_id = PlXrn(auth=network, interface='node%s:eth%s' % (interface['node_id'], i)).get_urn()
- ipaddr = interface['ipv4']
- interface_elem = etree.SubElement(node_elem, 'interface', component_id=comp_id, ipv4=ipaddr)
- i+=1
- if 'bw_unallocated' in node and node['bw_unallocated']:
- bw_unallocated = etree.SubElement(node_elem, 'bw_unallocated', units='kbps').text = str(int(node['bw_unallocated'])/1000)
-
- if 'tags' in node:
- for tag in node['tags']:
- # expose this hard wired list of tags, plus the ones that are marked 'sfa' in their category
- if tag['tagname'] in ['fcdistro', 'arch'] or 'sfa' in tag['category'].split('/'):
- tag_element = etree.SubElement(node_elem, tag['tagname']).text=tag['value']
-
- if 'slivers' in node:
- for sliver in node['slivers']:
- sliver_elem = etree.SubElement(node_elem, 'sliver')
- if 'name' in sliver and sliver['name']:
- sliver_elem.set('name', sliver['name'])
+
+ # add locaiton
+ location = node.get('location')
+ if location:
+ node_elem.add_instance('location', location, Location.fields)
+
+ # add exclusive tag to distinguish between Reservable and Shared nodes
+ exclusive_elem = node_elem.add_element('exclusive')
+ if node.get('exclusive') and node.get('exclusive') == 'true':
+ exclusive_elem.set_text('TRUE')
+ # add granularity of the reservation system
+ granularity = node.get('granularity')
+ if granularity:
+ node_elem.add_instance('granularity', granularity, granularity.fields)
+ else:
+ exclusive_elem.set_text('FALSE')
+
+
+ if isinstance(node.get('interfaces'), list):
+ for interface in node.get('interfaces', []):
+ node_elem.add_instance('interface', interface, ['component_id', 'client_id', 'ipv4'])
+
+ #if 'bw_unallocated' in node and node['bw_unallocated']:
+ # bw_unallocated = etree.SubElement(node_elem, 'bw_unallocated', units='kbps').text = str(int(node['bw_unallocated'])/1000)
+
+ PGv2Services.add_services(node_elem, node.get('services', []))
+ tags = node.get('tags', [])
+ if tags:
+ for tag in tags:
+ # backdoor for FITeagle
+ # Alexander Willner <alexander.willner@tu-berlin.de>
+ if tag['tagname']=="fiteagle_settings":
+ tag_elem = node_elem.add_element(tag['tagname'])
+ for subtag in tag['value']:
+ subtag_elem = tag_elem.add_element('setting')
+ subtag_elem.set('name', str(subtag['tagname']))
+ subtag_elem.set('description', str(subtag['description']))
+ subtag_elem.set_text(subtag['value'])
+ else:
+ tag_elem = node_elem.add_element(tag['tagname'])
+ tag_elem.set_text(tag['value'])
+ SFAv1Sliver.add_slivers(node_elem, node.get('slivers', []))
@staticmethod
def add_slivers(xml, slivers):
- pass
+ 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 = SFAv1Node.get_nodes(xml, filter)
+ if not nodes:
+ continue
+ node = nodes[0]
+ SFAv1Sliver.add_slivers(node, sliver)
@staticmethod
- def get_nodes(xml):
- nodes = []
- node_elems = xml.xpath(SFAv1Node.elements['node'].path)
+ def remove_slivers(xml, hostnames):
+ for hostname in hostnames:
+ nodes = SFAv1Node.get_nodes(xml, {'component_id': '*%s*' % hostname})
+ for node in nodes:
+ slivers = SFAv1Sliver.get_slivers(node.element)
+ for sliver in slivers:
+ node.element.remove(sliver.element)
+
+ @staticmethod
+ def get_nodes(xml, filter={}):
+ xpath = '//node%s | //default:node%s' % (XpathFilter.xpath(filter), XpathFilter.xpath(filter))
+ node_elems = xml.xpath(xpath)
+ return SFAv1Node.get_node_objs(node_elems)
+
+ @staticmethod
+ def get_nodes_with_slivers(xml):
+ xpath = '//node[count(sliver)>0] | //default:node[count(default:sliver)>0]'
+ node_elems = xml.xpath(xpath)
+ return SFAv1Node.get_node_objs(node_elems)
+
+
+ @staticmethod
+ def get_node_objs(node_elems):
+ nodes = []
for node_elem in node_elems:
- node = Node(node_elem.attrib, node_elem)
+ node = NodeElement(node_elem.attrib, node_elem)
if 'site_id' in node_elem.attrib:
node['authority_id'] = node_elem.attrib['site_id']
-
- # set the location
- location_elems = node_elem.xpath(SFAv1Node.elements['location'].path, xml.namespaces)
- if len(location_elems) > 0:
- node['location'] = Location(location_elems[0].attrib, location_elems[0])
-
- # set the bwlimit
- bwlimit_elems = node_elem.xpath(SFAv1Node.elements['bw_limit'].path, xml.namespaces)
- if len(bwlimit_elems) > 0:
- bwlimit = BWlimit(bwlimit_elems[0].attrib, bwlimit_elems[0])
- node['bwlimit'] = bwlimit
-
- # set the interfaces
- interface_elems = node_elem.xpath(SFAv1Node.elements['interface'].path, xml.namespaces)
- node['interfaces'] = []
- for interface_elem in interface_elems:
- node['interfaces'].append(Interface(interface_elem.attrib, interface_elem))
-
- # set the slivers
- sliver_elems = node_elem.xpath(SFAv1Node.elements['sliver'].path, xml.namespaces)
- node['slivers'] = []
- for sliver_elem in sliver_elems:
- node['slivers'].append(Sliver(sliver_elem.attrib, sliver_elem))
-
- # set tags
- node['tags'] = []
- for child in node_elem.iterchildren():
- if child.tag not in SFAv1Node.elements:
- tag = PLTag({'name': child.tag, 'value': child.text}, child)
- node['tags'].append(tag)
+ # get location
+ location_elems = node_elem.xpath('./default:location | ./location')
+ locations = [loc_elem.get_instance(Location) for loc_elem in location_elems]
+ if len(locations) > 0:
+ node['location'] = locations[0]
+ # get bwlimit
+ bwlimit_elems = node_elem.xpath('./default:bw_limit | ./bw_limit')
+ bwlimits = [bwlimit_elem.get_instance(BWlimit) for bwlimit_elem in bwlimit_elems]
+ if len(bwlimits) > 0:
+ node['bwlimit'] = bwlimits[0]
+ # get interfaces
+ iface_elems = node_elem.xpath('./default:interface | ./interface')
+ ifaces = [iface_elem.get_instance(Interface) for iface_elem in iface_elems]
+ node['interfaces'] = ifaces
+ # get services
+ node['services'] = PGv2Services.get_services(node_elem)
+ # get slivers
+ node['slivers'] = SFAv1Sliver.get_slivers(node_elem)
+ # get tags
+ node['tags'] = SFAv1PLTag.get_pl_tags(node_elem, ignore=NodeElement.fields+["hardware_type"])
+ # 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]
+
+ # temporary... play nice with old slice manager rspec
+ if not node['component_name']:
+ hostname_elem = node_elem.find("hostname")
+ if hostname_elem != None:
+ node['component_name'] = hostname_elem.text
+
nodes.append(node)
- return nodes
-
- @staticmethod
- def get_nodes_with_slivers(xml):
- nodes = SFAv1Node.get_nodes(xml)
- nodes_with_slivers = [node for node in nodes if node['slivers']]
- return nodes_with_slivers
-
-
+ return nodes
+
git://git.onelab.eu / sfa.git / blobdiff