-#!/usr/bin/python
+#!/usr/bin/python
+from copy import deepcopy
from lxml import etree
from StringIO import StringIO
from sfa.rspecs.rspec import RSpec
from sfa.util.xrn import *
from sfa.util.plxrn import hostname_to_urn
-from sfa.util.config import Config
+from sfa.util.config import Config
+from sfa.rspecs.rspec_version import RSpecVersion
+_version = { 'type': 'SFA',
+ 'version': '1'
+}
+
+sfa_rspec_version = RSpecVersion(_version)
+
class SfaRSpec(RSpec):
xml = None
header = '<?xml version="1.0"?>\n'
- namespaces = {}
- format = 'sfa'
+ version = sfa_rspec_version
+
+ def create(self):
+ RSpec.create(self)
+ self.xml.set('type', 'SFA')
+
###################
# Parser
###################
else:
names = self.xml.xpath('//node/hostname')
for name in names:
- if name.text == hostname:
+ if str(name.text).strip() == hostname:
return name.getparent()
return None
- def get_node_elements(self):
- return self.xml.xpath('//node')
+ def get_node_elements(self, network=None):
+ if network:
+ return self.xml.xpath('//network[@name="%s"]//node' % network)
+ else:
+ return self.xml.xpath('//node')
def get_nodes(self, network=None):
if network == None:
nodes = self.xml.xpath('//node/hostname/text()')
else:
nodes = self.xml.xpath('//network[@name="%s"]//node/hostname/text()' % network)
+
+ nodes = [node.strip() for node in nodes]
return nodes
def get_nodes_with_slivers(self, network = None):
if network:
- return self.xml.xpath('//network[@name="%s"]//node[sliver]/hostname/text()' % network)
+ nodes = self.xml.xpath('//network[@name="%s"]//node[sliver]/hostname/text()' % network)
else:
- return self.xml.xpath('//node[sliver]/hostname/text()')
+ nodes = self.xml.xpath('//node[sliver]/hostname/text()')
+
+ nodes = [node.strip() for node in nodes]
+ return nodes
def get_nodes_without_slivers(self, network=None):
xpath_nodes_without_slivers = '//node[not(sliver)]/hostname/text()'
opts = []
if elem is not None:
for e in elem:
- opts.append((e.tag, e.text))
+ opts.append((e.tag, str(e.text).strip()))
return opts
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("//network/sliver_defaults" % network)
+ defaults = self.xml.xpath("//sliver_defaults")
+ if isinstance(defaults, list) and defaults:
+ defaults = defaults[0]
return self.attributes_list(defaults)
def get_sliver_attributes(self, hostname, network=None):
+ attributes = []
node = self.get_node_element(hostname, network)
- sliver = node.find("sliver")
- return self.attributes_list(sliver)
+ #sliver = node.find("sliver")
+ slivers = node.xpath('./sliver')
+ if isinstance(slivers, list) and slivers:
+ attributes = self.attributes_list(slivers[0])
+ return attributes
+
+ def get_slice_attributes(self, network=None):
+ slice_attributes = []
+ nodes_with_slivers = self.get_nodes_with_slivers(network)
+ for default_attribute in self.get_default_sliver_attributes(network):
+ attribute = {'name': str(default_attribute[0]), 'value': str(default_attribute[1]), 'node_id': None}
+ slice_attributes.append(attribute)
+ for node in nodes_with_slivers:
+ sliver_attributes = self.get_sliver_attributes(node, network)
+ for sliver_attribute in sliver_attributes:
+ attribute = {'name': str(sliver_attribute[0]), 'value': str(sliver_attribute[1]), 'node_id': node}
+ slice_attributes.append(attribute)
+ return slice_attributes
def get_site_nodes(self, siteid, network=None):
if network:
##################
def add_network(self, network):
- network_tag = etree.SubElement(self.xml, 'network', id=network)
+ network_tags = self.xml.xpath('//network[@name="%s"]' % network)
+ if not network_tags:
+ network_tag = etree.SubElement(self.xml, 'network', name=network)
+ else:
+ network_tag = network_tags[0]
+ return network_tag
def add_nodes(self, nodes, network = None, no_dupes=False):
if not isinstance(nodes, list):
network_tag = self.xml
if 'network' in node:
network = node['network']
- network_tags = self.xml.xpath('//network[@name="%s"]' % network)
- if not network_tags:
- network_tag = etree.SubElement(self.xml, 'network', name=network)
- else:
- network_tag = network_tags[0]
-
+ network_tag = self.add_network(network)
+
node_tag = etree.SubElement(network_tag, 'node')
if 'network' in node:
- node_tag.set('component_manager_id', network)
+ node_tag.set('component_manager_id', hrn_to_urn(network, 'authority+sa'))
if 'urn' in node:
node_tag.set('component_id', node['urn'])
if 'site_urn' in node:
node_tag.set('site_id', node['site_urn'])
if 'node_id' in node:
node_tag.set('node_id', 'n'+str(node['node_id']))
+ if 'boot_state' in node:
+ node_tag.set('boot_state', node['boot_state'])
if 'hostname' in node:
hostname_tag = etree.SubElement(node_tag, 'hostname').text = node['hostname']
if 'interfaces' in node:
for interface in node['interfaces']:
- if 'bwlimit' in interface:
- bwlimit = etree.SubElement(node_tag, 'bwlimit', units='kbps').tet = str(interface['bwlimit']/1000)
+ if 'bwlimit' in interface and interface['bwlimit']:
+ bwlimit = etree.SubElement(node_tag, 'bw_limit', units='kbps').text = str(interface['bwlimit']/1000)
if 'tags' in node:
for tag in node['tags']:
- if tag['tagname'] in ['fcdistro', 'arch']:
- tag_element = etree.SubElement(node_tag, tag['tagname'], value=tag['value'])
+ # 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_tag, tag['tagname']).text=tag['value']
+
+ if 'site' in node:
+ longitude = str(node['site']['longitude'])
+ latitude = str(node['site']['latitude'])
+ location = etree.SubElement(node_tag, 'location', country='unknown', \
+ longitude=longitude, latitude=latitude)
+
+ 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))
+
def add_interfaces(self, interfaces):
- pass
+ pass
def add_links(self, links):
pass
-
- def add_slivers(self, hostnames, network=None, no_dupes=False):
- if not isinstance(hostnames, list):
- hostnames = [hostnames]
+ def add_slivers(self, slivers, network=None, sliver_urn=None, no_dupes=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])
+ slivers = self._process_slivers(slivers)
nodes_with_slivers = self.get_nodes_with_slivers(network)
- for hostname in hostnames:
- if hostname in nodes_with_slivers:
+ for sliver in slivers:
+ if sliver['hostname'] in nodes_with_slivers:
continue
- node = self.get_node_element(hostname, network)
- etree.SubElement(node, 'sliver')
-
- def remove_slivers(self, hostnames, network=None, no_dupes=False):
- if not isinstance(hostnames, list):
- hostnames = [hostnames]
- for hostname in hostnames:
- node = self.get_node_element(hostname, network)
- sliver = node.find('sliver')
- if sliver != None:
- node.remove(sliver)
+ node_elem = self.get_node_element(sliver['hostname'], network)
+ sliver_elem = etree.SubElement(node_elem, 'sliver')
+ if 'tags' in sliver:
+ for tag in sliver['tags']:
+ etree.SubElement(sliver_elem, tag['tagname']).text = value=tag['value']
+
+ def remove_slivers(self, slivers, network=None, no_dupes=False):
+ slivers = self._process_slivers(slivers)
+ for sliver in slivers:
+ node_elem = self.get_node_element(sliver['hostname'], network)
+ sliver_elem = node_elem.find('sliver')
+ if sliver_elem != None:
+ node_elem.remove(sliver_elem)
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" % network)
- if defaults is None:
- defaults = etree.Element("sliver_defaults")
- network = self.xml.xpath("//network[@name='%s']" % network)
- network.insert(0, defaults)
+ if not defaults :
+ network_tag = self.xml.xpath("//network[@name='%s']" % network)
+ if isinstance(network_tag, list):
+ network_tag = network_tag[0]
+ defaults = self.add_element('sliver_defaults', attrs={}, parent=network_tag)
+ elif isinstance(defaults, list):
+ defaults = defaults[0]
self.add_attribute(defaults, name, value)
def add_sliver_attribute(self, hostname, name, value, network=None):
Merge contents for specified rspec with current rspec
"""
+ from sfa.rspecs.rspec_parser import parse_rspec
+ rspec = parse_rspec(in_rspec)
+ if rspec.type.lower() == 'protogeni':
+ from sfa.rspecs.rspec_converter import RSpecConverter
+ in_rspec = RSpecConverter.to_sfa_rspec(in_rspec)
+
# just copy over all networks
current_networks = self.get_networks()
rspec = SfaRSpec(rspec=in_rspec)
networks = rspec.get_network_elements()
for network in networks:
current_network = network.get('name')
- if not current_network in current_networks:
+ if current_network and current_network not in current_networks:
self.xml.append(network)
current_networks.append(current_network)
+
git://git.onelab.eu / sfa.git / blobdiff