- return self.xml.xpath('//network[@name]/@name')
-
- def get_node_element(self, hostname, network=None):
- if network:
- names = self.xml.xpath('//network[@name="%s"]//node/hostname' % network)
- else:
- names = self.xml.xpath('//node/hostname')
- for name in names:
- if str(name.text).strip() == hostname:
- return name.getparent()
- return None
-
- 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:
- nodes = self.xml.xpath('//network[@name="%s"]//node[sliver]/hostname/text()' % network)
- else:
- 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()'
- xpath_nodes_without_slivers_in_network = '//network[@name="%s"]//node[not(sliver)]/hostname/text()'
- if network:
- return self.xml.xpath('//network[@name="%s"]//node[not(sliver)]/hostname/text()' % network)
- else:
- return self.xml.xpath('//node[not(sliver)]/hostname/text()')
-
- def attributes_list(self, elem):
- # convert a list of attribute tags into list of tuples
- # (tagnme, text_value)
- opts = []
- if elem is not None:
- for e in elem:
- 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("//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")
- 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:
- nodes = self.xml.xpath('//network[@name="%s"]/site[@id="%s"]/node/hostname/text()' % \
- (network, siteid))
- else:
- nodes = self.xml.xpath('//site[@id="%s"]/node/hostname/text()' % siteid)
- return nodes
-
- def get_links(self, network=None):
- links = PGv2Link.get_links(self.xml, self.namespaces)
- return links
-
- def get_link(self, fromnode, tonode, network=None):
- fromsite = fromnode.getparent()
- tosite = tonode.getparent()
- fromid = fromsite.get("id")
- toid = tosite.get("id")
- if network:
- query = "//network[@name='%s']" % network + "/link[@endpoints = '%s %s']"
- else:
- query = "//link[@endpoints = '%s %s']"