+++ /dev/null
-
-from sfa.util.xrn import Xrn
-from sfa.util.xml import XpathFilter
-from sfa.rspecs.elements.node import NodeElement
-from sfa.rspecs.elements.sliver import Sliver
-from sfa.rspecs.elements.location import Location
-from sfa.rspecs.elements.hardware_type import HardwareType
-from sfa.rspecs.elements.element import Element
-from sfa.rspecs.elements.interface import Interface
-from sfa.rspecs.elements.versions.slabv1Sliver import Slabv1Sliver
-from sfa.util.sfalogging import logger
-
-class SlabNode(NodeElement):
- #First get the fields already defined in the class Node
- fields = list(NodeElement.fields)
- #Extend it with senslab's specific fields
- fields.extend (['archi', 'radio', 'mobile','position'])
-
-
-class SlabPosition(Element):
- fields = ['posx', 'posy','posz']
-
-class SlabLocation(Location):
- fields = list(Location.fields)
- fields.extend (['site'])
-
-
-
-
-class Slabv1Node:
-
- @staticmethod
- def add_connection_information(xml, ldap_username, sites_set):
- """ Adds login and ssh connection info in the network item in
- the xml. Does not create the network element, therefore
- should be used after add_nodes, which creates the network item.
-
- """
- logger.debug(" add_connection_information " )
- #Get network item in the xml
- network_elems = xml.xpath('//network')
- if len(network_elems) > 0:
- network_elem = network_elems[0]
-
- slab_network_dict = {}
- slab_network_dict['login'] = ldap_username
-
- slab_network_dict['ssh'] = \
- ['ssh ' + ldap_username + '@'+site+'.senslab.info' \
- for site in sites_set]
- network_elem.set('ssh', \
- unicode(slab_network_dict['ssh']))
- network_elem.set('login', unicode( slab_network_dict['login']))
-
-
- @staticmethod
- 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[0]))
- 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'], \
- SlabLocation.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
-
-
-
- @staticmethod
- def get_nodes(xml, filter={}):
- xpath = '//node%s | //default:node%s' % (XpathFilter.xpath(filter), \
- XpathFilter.xpath(filter))
- node_elems = xml.xpath(xpath)
- return Slabv1Node.get_node_objs(node_elems)
-
- @staticmethod
- def get_nodes_with_slivers(xml, sliver_filter={}):
-
- xpath = '//node[count(sliver)>0] | \
- //default:node[count(default:sliver) > 0]'
- node_elems = xml.xpath(xpath)
- logger.debug("SLABV1NODE \tget_nodes_with_slivers \
- node_elems %s"%(node_elems))
- return Slabv1Node.get_node_objs(node_elems)
-
- @staticmethod
- def get_node_objs(node_elems):
- nodes = []
- for node_elem in node_elems:
- node = NodeElement(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
-
-
- @staticmethod
- 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)
-
- @staticmethod
- 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)
-
-
-
git://git.onelab.eu / sfa.git / blobdiff