--- /dev/null
+from sfa.rspecs.elements.element import Element
+
+class Datapath(Element):
+
+ fields = [
+ 'component_id',
+ 'component_manager_id',
+ 'dp_id',
+ 'ports',
+ ]
+
+
--- /dev/null
+from sfa.rspecs.elements.element import Element
+
+class Port(Element):
+ fields = [
+ 'num',
+ 'name',
+ ]
--- /dev/null
+from sfa.util.xrn import Xrn
+from sfa.util.xml import XmlElement
+
+from sfa.rspecs.elements.element import Element
+from sfa.rspecs.elements.port import Port
+
+class Ofeliav1Port:
+
+ @staticmethod
+ def add_portrs(xml, ports):
+ raise Exception, "not implemented yet"
+ if not ports:
+ return
+ if not isinstance(ports, list):
+ ports = [ports]
+ for port in ports:
+ port_elem = xml.add_instance('port', port, ['name'])
+ tags = port.get('tags', [])
+ if tags:
+ for tag in tags:
+ Ofeliav1Port.add_port_attribute(port_elem, tag['tagname'], tag['value'])
+
+ @staticmethod
+ def add_port_attribute(xml, name, value):
+ raise Exception, "not implemented yet"
+ elem = xml.add_element(name)
+ elem.set_text(value)
+
+ @staticmethod
+ def get_port_attributes(xml):
+ attribs = []
+ for elem in xml.iterchildren():
+ if elem.tag not in Port.fields:
+ xml_element = XmlElement(elem, xml.namespaces)
+ instance = Element(fields=xml_element, element=elem)
+ instance['name'] = elem.tag
+ instance['value'] = elem.text
+ attribs.append(instance)
+ return attribs
+
+ @staticmethod
+ def get_ports(xml, filter={}):
+ xpath = './openflow:port | ./port'
+ port_elems = xml.xpath(xpath)
+ ports = []
+ for port_elem in port_elems:
+ port = Port(port_elem.attrib,port_elem)
+ #if 'component_id' in xml.attrib:
+ # port['component_id'] = xml.attrib['component_id']
+ #port['tags'] = Ofeliav1Port.get_port_attributes(port_elem)
+ ports.append(port)
+ return ports
+
--- /dev/null
+from sfa.util.sfalogging import logger
+from sfa.util.xml import XpathFilter
+from sfa.util.xrn import Xrn, get_leaf
+
+from sfa.rspecs.elements.element import Element
+from sfa.rspecs.elements.datapath import Datapath
+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.disk_image import DiskImage
+from sfa.rspecs.elements.interface import Interface
+from sfa.rspecs.elements.bwlimit import BWlimit
+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.rspecs.elements.versions.ofeliav1Port import Ofeliav1Port
+
+
+class Ofeliav1Datapath:
+
+ @staticmethod
+ def get_datapaths(xml, filter={}):
+ #xpath = '//datapath%s | //default:datapath%s' % (XpathFilter.xpath(filter), XpathFilter.xpath(filter))
+ xpath = '//datapath%s | //openflow:datapath%s' % (XpathFilter.xpath(filter), XpathFilter.xpath(filter))
+ datapath_elems = xml.xpath(xpath)
+ return Ofeliav1Datapath.get_datapath_objs(datapath_elems)
+
+ @staticmethod
+ def get_datapath_objs(datapath_elems):
+ datapaths = []
+ for datapath_elem in datapath_elems:
+ datapath = Datapath(datapath_elem.attrib, datapath_elem)
+ # get ports
+ datapath['ports'] = Ofeliav1Port.get_ports(datapath_elem)
+ datapaths.append(datapath)
+ return datapaths
+
+# @staticmethod
+# def add_nodes(xml, nodes, rspec_content_type=None):
+# 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
+#
+# node_elems = []
+# for node in nodes:
+# 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']:
+# 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']:
+# component_name = Xrn.unescape(get_leaf(Xrn(node['component_id']).get_hrn()))
+# 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'])
+#
+# # 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', []))
+#
+# # add sliver tag in Request Rspec
+# if rspec_content_type == "request":
+# node_elem.add_instance('sliver', '', [])
+#
+# @staticmethod
+# 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 = SFAv1Node.get_nodes(xml, filter)
+# if not nodes:
+# continue
+# node = nodes[0]
+# SFAv1Sliver.add_slivers(node, sliver)
+#
+# @staticmethod
+# 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)
+#
--- /dev/null
+from sfa.util.sfalogging import logger
+from sfa.util.xml import XpathFilter
+from sfa.util.xrn import Xrn, get_leaf
+
+from sfa.rspecs.elements.element import Element
+from sfa.rspecs.elements.link import Link
+
+class Ofeliav1Link:
+
+ @staticmethod
+ def get_links(xml, filter={}):
+ xpath = '//link%s | //openflow:link%s' % (XpathFilter.xpath(filter), XpathFilter.xpath(filter))
+ link_elems = xml.xpath(xpath)
+ return Ofeliav1Link.get_link_objs(link_elems)
+
+ @staticmethod
+ def get_link_objs(link_elems):
+ links = []
+ for link_elem in link_elems:
+ link = Link(link_elem.attrib, link_elem)
+ links.append(link)
+ return links
--- /dev/null
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+from copy import deepcopy
+from lxml import etree
+
+from sfa.util.sfalogging import logger
+from sfa.util.xrn import hrn_to_urn, urn_to_hrn
+from sfa.rspecs.version import RSpecVersion
+from sfa.rspecs.elements.element import Element
+from sfa.rspecs.elements.versions.pgv2Link import PGv2Link
+from sfa.rspecs.elements.versions.sfav1Node import SFAv1Node
+from sfa.rspecs.elements.versions.sfav1Sliver import SFAv1Sliver
+from sfa.rspecs.elements.versions.sfav1Lease import SFAv1Lease
+from sfa.rspecs.elements.versions.ofeliav1datapath import Ofeliav1Datapath
+from sfa.rspecs.elements.versions.ofeliav1link import Ofeliav1Link
+
+class Ofelia(RSpecVersion):
+ enabled = True
+ type = 'OFELIA'
+ content_type = '*'
+ version = '1'
+ schema = 'https://github.com/fp7-ofelia/ocf/blob/ocf.rspecs/openflow/schemas/ad.xsd'
+ namespace = 'openflow'
+ extensions = {}
+ namespaces = dict(extensions.items() + [('default', namespace)])
+ #template = '<RSpec type="%s"></RSpec>' % type
+ template = '<rspec></rspec>'
+
+ # Network
+ def get_networks(self):
+ raise Exception, "Not implemented"
+ network_elems = self.xml.xpath('//network')
+ networks = [network_elem.get_instance(fields=['name', 'slice']) for \
+ network_elem in network_elems]
+ return networks
+
+
+ def add_network(self, network):
+ raise Exception, "Not implemented"
+ network_tags = self.xml.xpath('//network[@name="%s"]' % network)
+ if not network_tags:
+ network_tag = self.xml.add_element('network', name=network)
+ else:
+ network_tag = network_tags[0]
+ return network_tag
+
+# These are all resources
+# get_resources function can return all resources or a specific type of resource
+ def get_resources(self, filter=None, type=None):
+ resources = list()
+ if not type or type=='datapath':
+ datapaths = self.get_datapaths(filter)
+ for datapath in datapaths:
+ datapath['type']='datapath'
+ resources.extend(datapaths)
+ if not type or type=='link':
+ links = self.get_links(filter)
+ for link in links:
+ link['type']='link'
+ resources.extend(links)
+ return resources
+
+ # Datapaths
+ def get_datapaths(self, filter=None):
+ return Ofeliav1Datapath.get_datapaths(self.xml, filter)
+
+ # Links
+ def get_links(self, filter=None):
+ return Ofeliav1Link.get_links(self.xml, filter)
+
+# def get_link_requests(self):
+# return PGv2Link.get_link_requests(self.xml)
+#
+# def add_links(self, links):
+# networks = self.get_networks()
+# if len(networks) > 0:
+# xml = networks[0].element
+# else:
+# xml = self.xml
+# PGv2Link.add_links(xml, links)
+#
+# def add_link_requests(self, links):
+# PGv2Link.add_link_requests(self.xml, links)
+
+
+
+ # Slivers
+
+ def add_slivers(self, hostnames, attributes=[], sliver_urn=None, append=False):
+ # add slice name to network tag
+ network_tags = self.xml.xpath('//network')
+ if network_tags:
+ network_tag = network_tags[0]
+ network_tag.set('slice', urn_to_hrn(sliver_urn)[0])
+
+ # add slivers
+ sliver = {'name':sliver_urn,
+ 'pl_tags': attributes}
+ for hostname in hostnames:
+ if sliver_urn:
+ sliver['name'] = sliver_urn
+ node_elems = self.get_nodes({'component_id': '*%s*' % hostname})
+ if not node_elems:
+ continue
+ node_elem = node_elems[0]
+ SFAv1Sliver.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['slivers']:
+ parent = node_elem.element.getparent()
+ parent.remove(node_elem.element)
+
+
+ def remove_slivers(self, slivers, network=None, no_dupes=False):
+ SFAv1Node.remove_slivers(self.xml, slivers)
+
+ def get_slice_attributes(self, network=None):
+ attributes = []
+ nodes_with_slivers = self.get_nodes_with_slivers()
+ for default_attribute in self.get_default_sliver_attributes(network):
+ attribute = default_attribute.copy()
+ attribute['node_id'] = None
+ attributes.append(attribute)
+ for node in nodes_with_slivers:
+ nodename=node['component_name']
+ sliver_attributes = self.get_sliver_attributes(nodename, network)
+ for sliver_attribute in sliver_attributes:
+ sliver_attribute['node_id'] = nodename
+ attributes.append(sliver_attribute)
+ return attributes
+
+
+ def add_sliver_attribute(self, component_id, name, value, network=None):
+ nodes = self.get_nodes({'component_id': '*%s*' % component_id})
+ if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
+ node = nodes[0]
+ slivers = SFAv1Sliver.get_slivers(node)
+ if slivers:
+ sliver = slivers[0]
+ SFAv1Sliver.add_sliver_attribute(sliver, name, value)
+ else:
+ # should this be an assert / raise an exception?
+ logger.error("WARNING: failed to find component_id %s" % component_id)
+
+ def get_sliver_attributes(self, component_id, network=None):
+ nodes = self.get_nodes({'component_id': '*%s*' % component_id})
+ attribs = []
+ if nodes is not None and isinstance(nodes, list) and len(nodes) > 0:
+ node = nodes[0]
+ slivers = SFAv1Sliver.get_slivers(node.element)
+ if slivers is not None and isinstance(slivers, list) and len(slivers) > 0:
+ sliver = slivers[0]
+ attribs = SFAv1Sliver.get_sliver_attributes(sliver.element)
+ return attribs
+
+ def remove_sliver_attribute(self, component_id, name, value, network=None):
+ attribs = self.get_sliver_attributes(component_id)
+ for attrib in attribs:
+ if attrib['name'] == name and attrib['value'] == value:
+ #attrib.element.delete()
+ parent = attrib.element.getparent()
+ parent.remove(attrib.element)
+
+ def add_default_sliver_attribute(self, name, value, network=None):
+ if network:
+ defaults = self.xml.xpath("//network[@name='%s']/sliver_defaults" % network)
+ else:
+ defaults = self.xml.xpath("//sliver_defaults")
+ if not defaults:
+ if network:
+ network_tag = self.xml.xpath("//network[@name='%s']" % network)
+ else:
+ network_tag = self.xml.xpath("//network")
+ if isinstance(network_tag, list):
+ network_tag = network_tag[0]
+ defaults = network_tag.add_element('sliver_defaults')
+ elif isinstance(defaults, list):
+ defaults = defaults[0]
+ SFAv1Sliver.add_sliver_attribute(defaults, name, value)
+
+ def get_default_sliver_attributes(self, network=None):
+ if network:
+ defaults = self.xml.xpath("//network[@name='%s']/sliver_defaults" % network)
+ else:
+ defaults = self.xml.xpath("//sliver_defaults")
+ if not defaults: return []
+ return SFAv1Sliver.get_sliver_attributes(defaults[0])
+
+ def remove_default_sliver_attribute(self, name, value, network=None):
+ attribs = self.get_default_sliver_attributes(network)
+ for attrib in attribs:
+ if attrib['name'] == name and attrib['value'] == value:
+ #attrib.element.delete()
+ parent = attrib.element.getparent()
+ parent.remove(attrib.element)
+
+ # utility
+
+ def merge(self, in_rspec):
+ """
+ Merge contents for specified rspec with current rspec
+ """
+
+ if not in_rspec:
+ return
+
+ from sfa.rspecs.rspec import RSpec
+ if isinstance(in_rspec, RSpec):
+ rspec = in_rspec
+ else:
+ rspec = RSpec(in_rspec)
+ if rspec.version.type.lower() == 'protogeni':
+ from sfa.rspecs.rspec_converter import RSpecConverter
+ in_rspec = RSpecConverter.to_sfa_rspec(rspec.toxml())
+ rspec = RSpec(in_rspec)
+
+ # just copy over all networks
+ current_networks = self.get_networks()
+ networks = rspec.version.get_networks()
+ for network in networks:
+ current_network = network.get('name')
+ if current_network and current_network not in current_networks:
+ self.xml.append(network.element)
+ current_networks.append(current_network)
+
+if __name__ == '__main__':
+ import sys
+ import pprint
+ from sfa.rspecs.rspec import RSpec
+ from sfa.rspecs.rspec_elements import *
+ print "main ofeliav1"
+ if len(sys.argv)!=2:
+ r = RSpec('/tmp/resources.rspec')
+ else:
+ r = RSpec(sys.argv[1], version = 'OFELIA 1')
+ #print r.version.get_datapaths()
+ resources = r.version.get_resources()
+ pprint.pprint(resources)
+
+ #r.load_rspec_elements(SFAv1.elements)
+ #print r.get(RSpecElements.NODE)
git://git.onelab.eu / sfa.git / commitdiff