return n
# Add a new slice tag
- def add_tag(self, tagname, value, node = None, role_id = 40):
+ def add_tag(self, tagname, value, node = None):
tt = self.network.lookupTagType(tagname)
- if not tt.permit_update(role_id):
- raise InvalidRSpec("permission denied to modify '%s' tag" % tagname)
tag = Slicetag()
tag.initialize(tagname, value, node, self.network)
self.network.tags[tag.id] = tag
return tag
# Update a slice tag if it exists, else add it
- def update_tag(self, tagname, value, node = None, role_id = 40):
+ def update_tag(self, tagname, value, node = None):
tag = self.get_tag(tagname, node)
if tag:
- if not tag.permit_update(role_id, value):
- raise InvalidRSpec("permission denied to modify '%s' tag" % tagname)
tag.change(value)
else:
- tag = self.add_tag(tagname, value, node, role_id)
+ tag = self.add_tag(tagname, value, node)
return tag
- def update_multi_tag(self, tagname, value, node = None, role_id = 40):
+ def update_multi_tag(self, tagname, value, node = None):
tags = self.get_multi_tag(tagname, node)
for tag in tags:
if tag and tag.value == value:
break
else:
- tag = self.add_tag(tagname, value, node, role_id)
+ tag = self.add_tag(tagname, value, node)
return tag
def tags_to_xml(self, xml, node = None):
self.value = tag['value']
self.node_id = tag['node_id']
self.category = tag['category']
- self.min_role_id = tag['min_role_id']
self.status = None
# Create a new slicetag that will be written to the DB later
else:
self.node_id = None
self.category = tt.category
- self.min_role_id = tt.min_role_id
self.status = "new"
- def permit_update(self, role_id, value = None):
- if value and self.value == value:
- return True
- if role_id > self.min_role_id:
- return False
- return True
-
def change(self, value):
if self.value != value:
self.value = value
def was_updated(self):
return (self.status != None)
- def write(self, api):
- if self.was_added():
- api.plshell.AddSliceTag(api.plauth, self.slice_id,
- self.tagname, self.value, self.node_id)
- elif self.was_changed():
- api.plshell.UpdateSliceTag(api.plauth, self.id, self.value)
- elif self.was_deleted():
- api.plshell.DeleteSliceTag(api.plauth, self.id)
+ def write(self, api, user_plauth):
+ try:
+ if self.was_added():
+ api.plshell.AddSliceTag(user_plauth, self.slice_id,
+ self.tagname, self.value, self.node_id)
+ elif self.was_changed():
+ api.plshell.UpdateSliceTag(user_plauth, self.id, self.value)
+ elif self.was_deleted():
+ api.plshell.DeleteSliceTag(user_plauth, self.id)
+ except:
+ raise InvalidRSpec("user cannot modify '%s' tag" % self.tagname)
+
class TagType:
self.id = tagtype['tag_type_id']
self.category = tagtype['category']
self.tagname = tagtype['tagname']
- self.min_role_id = tagtype['min_role_id']
self.multi = False
self.in_rspec = False
if self.category == 'slice/rspec':
if self.tagname in ['codemux', 'ip_addresses', 'vsys']:
self.multi = True
- def permit_update(self, role_id):
- if role_id > self.min_role_id:
- return False
- return True
-
-"""
-A Network is a compound object consisting of:
-* a dictionary mapping site IDs to Site objects
-* a dictionary mapping node IDs to Node objects
-* a dictionary mapping interface IDs to Iface objects
-"""
class Network:
- def __init__(self, api, type = "SFA"):
+ """
+ A Network is a compound object consisting of:
+ * a dictionary mapping site IDs to Site objects
+ * a dictionary mapping node IDs to Node objects
+ * a dictionary mapping interface IDs to Iface objects
+ """
+ def __init__(self, api, user_plauth, type = "SFA"):
self.api = api
+ self.user_plauth = user_plauth
self.type = type
self.sites = self.get_sites(api)
self.nodes = self.get_nodes(api)
self.tagtypes = self.get_tag_types(api)
self.slice = None
- """ Lookup site based on id or idtag value """
def lookupSite(self, id):
+ """ Lookup site based on id or idtag value """
val = None
if isinstance(id, basestring):
id = int(id.lstrip('s'))
sites.append(self.sites[s])
return sites
- """ Lookup node based on id or idtag value """
def lookupNode(self, id):
+ """ Lookup node based on id or idtag value """
val = None
if isinstance(id, basestring):
id = int(id.lstrip('n'))
nodes.append(self.nodes[n])
return nodes
- """ Lookup iface based on id or idtag value """
def lookupIface(self, id):
+ """ Lookup iface based on id or idtag value """
val = None
if isinstance(id, basestring):
id = int(id.lstrip('i'))
tags.append(self.tagtypes[t])
return tags
- """
- Process the elements under <sliver_defaults> or <sliver>
- """
def __process_attributes(self, element, node=None):
+ """
+ Process the elements under <sliver_defaults> or <sliver>
+ """
if element is None:
return
-
+
tagtypes = self.getTagTypes()
for tt in tagtypes:
if tt.in_rspec:
if e is not None:
self.slice.update_tag(tt.tagname, e.text, node)
- """
- Annotate the objects in the Network with information from the RSpec
- """
def addRSpec(self, xml, schema=None):
+ """
+ Annotate the objects in the Network with information from the RSpec
+ """
try:
tree = etree.parse(StringIO(xml))
except etree.XMLSyntaxError:
return
- """
- Annotate the objects in the Network with information from the slice
- """
def addSlice(self):
+ """
+ Annotate the objects in the Network with information from the slice
+ """
slice = self.slice
if not slice:
raise InvalidRSpec("no slice associated with network")
for node in slice.get_nodes():
node.add_sliver()
- """
- Write any slice tags that have been added or modified back to the DB
- """
def updateSliceTags(self):
+ """
+ Write any slice tags that have been added or modified back to the DB
+ """
for tag in self.getSliceTags():
- if tag.category == 'slice/rspec' and not tag.was_updated() and tag.permit_update(None, 40):
+ if tag.category == 'slice/rspec' and not tag.was_updated():
# The user wants to delete this tag
tag.delete()
# Update slice tags in database
for tag in self.getSliceTags():
if tag.slice_id == self.slice.id:
- tag.write(self.api)
+ tag.write(self.api, self.user_plauth)
- """
- Produce XML directly from the topology specification.
- """
def toxml(self):
+ """
+ Produce XML directly from the topology specification.
+ """
xml = XMLBuilder(format = True, tab_step = " ")
with xml.RSpec(type=self.type):
if self.slice:
header = '<?xml version="1.0"?>\n'
return header + str(xml)
- """
- Create a dictionary of site objects keyed by site ID
- """
def get_sites(self, api):
+ """
+ Create a dictionary of site objects keyed by site ID
+ """
tmp = []
- for site in api.plshell.GetSites(api.plauth, {'peer_id': None}):
+ for site in api.plshell.GetSites(self.user_plauth, {'peer_id': None}):
t = site['site_id'], Site(self, site)
tmp.append(t)
+
return dict(tmp)
- """
- Create a dictionary of node objects keyed by node ID
- """
def get_nodes(self, api):
+ """
+ Create a dictionary of node objects keyed by node ID
+ """
tmp = []
- for node in api.plshell.GetNodes(api.plauth, {'peer_id': None}):
+ for node in api.plshell.GetNodes(self.user_plauth, {'peer_id': None}):
t = node['node_id'], Node(self, node)
tmp.append(t)
return dict(tmp)
- """
- Create a dictionary of node objects keyed by node ID
- """
def get_ifaces(self, api):
+ """
+ Create a dictionary of node objects keyed by node ID
+ """
tmp = []
- for iface in api.plshell.GetInterfaces(api.plauth):
+ for iface in api.plshell.GetInterfaces(self.user_plauth):
t = iface['interface_id'], Iface(self, iface)
tmp.append(t)
return dict(tmp)
- """
- Create a dictionary of slicetag objects keyed by slice tag ID
- """
def get_slice_tags(self, api):
+ """
+ Create a dictionary of slicetag objects keyed by slice tag ID
+ """
tmp = []
- for tag in api.plshell.GetSliceTags(api.plauth):
+ for tag in api.plshell.GetSliceTags(self.user_plauth):
t = tag['slice_tag_id'], Slicetag(tag)
tmp.append(t)
return dict(tmp)
- """
- Create a list of tagtype obects keyed by tag name
- """
def get_tag_types(self, api):
+ """
+ Create a list of tagtype obects keyed by tag name
+ """
tmp = []
- for tag in api.plshell.GetTagTypes(api.plauth):
+ for tag in api.plshell.GetTagTypes(self.user_plauth):
t = tag['tagname'], TagType(tag)
tmp.append(t)
return dict(tmp)
- """
- Return a Slice object for a single slice
- """
def get_slice(self, api, hrn):
+ """
+ Return a Slice object for a single slice
+ """
slicename = hrn_to_pl_slicename(hrn)
- slice = api.plshell.GetSlices(api.plauth, [slicename])
+ slice = api.plshell.GetSlices(self.user_plauth, [slicename])
if len(slice):
self.slice = Slice(self, slicename, slice[0])
return self.slice