+++ /dev/null
-from __future__ import print_function
-
-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.nitosv1Node import NITOSv1Node
-from sfa.rspecs.elements.versions.nitosv1Sliver import NITOSv1Sliver
-from sfa.rspecs.elements.versions.nitosv1Lease import NITOSv1Lease
-from sfa.rspecs.elements.versions.nitosv1Channel import NITOSv1Channel
-
-
-class NITOSv1(RSpecVersion):
- enabled = True
- type = 'NITOS'
- content_type = '*'
- version = '1'
- schema = None
- namespace = None
- extensions = {}
- namespaces = None
- template = '<RSpec type="%s"></RSpec>' % type
-
- # Network
- def get_networks(self):
- 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):
- 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
-
- # Nodes
-
- def get_nodes(self, filter=None):
- return NITOSv1Node.get_nodes(self.xml, filter)
-
- def get_nodes_with_slivers(self):
- return NITOSv1Node.get_nodes_with_slivers(self.xml)
-
- def add_nodes(self, nodes, network=None, no_dupes=False, rspec_content_type=None):
- NITOSv1Node.add_nodes(self.xml, nodes, rspec_content_type)
-
- def merge_node(self, source_node_tag, network, no_dupes=False):
- if no_dupes and self.get_node_element(node['hostname']):
- # node already exists
- return
-
- network_tag = self.add_network(network)
- network_tag.append(deepcopy(source_node_tag))
-
- # Slivers
-
- def add_slivers(self, hostnames, attributes=None, sliver_urn=None, append=False):
- if attributes is None:
- attributes = []
- # 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]
- NITOSv1Sliver.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):
- NITOSv1Node.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 = NITOSv1Sliver.get_slivers(node)
- if slivers:
- sliver = slivers[0]
- NITOSv1Sliver.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 = NITOSv1Sliver.get_slivers(node.element)
- if slivers is not None and isinstance(slivers, list) and len(slivers) > 0:
- sliver = slivers[0]
- attribs = NITOSv1Sliver.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]
- NITOSv1Sliver.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 NITOSv1Sliver.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)
-
- # Links
-
- def get_links(self, network=None):
- return []
-
- def get_link_requests(self):
- return []
-
- def add_links(self, links):
- pass
-
- def add_link_requests(self, links):
- pass
-
- # 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)
-
- # Leases
-
- def get_leases(self, filter=None):
- return NITOSv1Lease.get_leases(self.xml, filter)
-
- def add_leases(self, leases_channels, network=None, no_dupes=False):
- leases, channels = leases_channels
- NITOSv1Lease.add_leases(self.xml, leases, channels)
-
- # Spectrum
-
- def get_channels(self, filter=None):
- return NITOSv1Channel.get_channels(self.xml, filter)
-
- def add_channels(self, channels, network=None, no_dupes=False):
- NITOSv1Channel.add_channels(self.xml, channels)
-
-
-if __name__ == '__main__':
- from sfa.rspecs.rspec import RSpec
- from sfa.rspecs.rspec_elements import *
- r = RSpec('/tmp/resources.rspec')
- r.load_rspec_elements(SFAv1.elements)
- print(r.get(RSpecElements.NODE))
git://git.onelab.eu / sfa.git / blobdiff