class PlSlices:
- rspec_to_slice_tag = {'max_rate':'net_max_rate'}
+ rspec_to_slice_tag = {'max_rate' : 'net_max_rate'}
def __init__(self, driver):
self.driver = driver
# XXX Sanity check; though technically this should be a system invariant
# checked with an assertion
- if slice['expires'] > MAXINT: slice['expires']= MAXINT
+ if slice['expires'] > MAXINT:
+ slice['expires'] = MAXINT
slivers.append({
'hrn': hrn,
for node in resulting_nodes:
client_id = slivers[node['hostname']]['client_id']
component_id = slivers[node['hostname']]['component_id']
- sliver_hrn = '%s.%s-%s' % (self.driver.hrn, slice['slice_id'], node['node_id'])
+ sliver_hrn = '{}.{}-{}'.format(self.driver.hrn, slice['slice_id'], node['node_id'])
sliver_id = Xrn(sliver_hrn, type='sliver').urn
record = SliverAllocation(sliver_id=sliver_id, client_id=client_id,
component_id=component_id,
slice_tags.append({'name': 'vini_topo', 'value': 'manual', 'node_id': node_id})
#self.driver.shell.AddSliceTag(slice['name'], 'topo_rspec', str([topo_rspec]), node_id)
- self.verify_slice_attributes(slice, slice_tags, {'append': True}, admin=True)
-
+ self.verify_slice_tags(slice, slice_tags, {'pltags':'append'}, admin=True)
def verify_site(self, slice_xrn, slice_record=None, sfa_peer=None, options=None):
site = sites[0]
else:
# create new site record
- site = {'name': 'sfa:%s' % site_hrn,
+ site = {'name': 'sfa:{}'.format(site_hrn),
'abbreviated_name': site_hrn,
'login_base': login_base,
'max_slices': 100,
'description': description,
'hrn': slice_hrn,
'sfa_created': 'True',
- 'expires': expires,
+ #'expires': expires,
}
# add the slice
slice_id = self.driver.shell.AddSlice(slice)
# plcapi tends to mess with the incoming hrn so let's make sure
self.driver.shell.SetSliceHrn (slice_id, slice_hrn)
+ # cannot be set with AddSlice
+ # set the expiration
+ self.driver.shell.UpdateSlice(slice_id, {'expires': expires})
return self.driver.shell.GetSlices(slice_id)[0]
# the value to use if 'user' has no 'email' attached - or if the attached email already exists
# typically
( auth_hrn, _ , leaf ) = user_hrn.rpartition('.')
- default_email = "%s@%s.stub"%(leaf,auth_hrn)
+ # somehow this has backslashes, get rid of them
+ auth_hrn = auth_hrn.replace('\\','')
+ default_email = "{}@{}.stub".format(leaf, auth_hrn)
person_record = {
# required
'hrn': user_hrn,
}
- logger.debug ("about to attempt to AddPerson with %s"%person_record)
+ logger.debug ("about to attempt to AddPerson with {}".format(person_record))
try:
# the thing is, the PLE db has a limitation on re-using the same e-mail
# in the case where people have an account on ple.upmc and then then come
# so we first try with the accurate email
person_id = int (self.driver.shell.AddPerson(person_record))
except:
- person_record['email']=default_email
- logger.debug ("second chance with email=%s"%person_record['email'])
+ logger.log_exc("caught during first attempt at AddPerson")
# and if that fails we start again with the email based on the hrn, which this time is unique..
+ person_record['email'] = default_email
+ logger.debug ("second chance with email={}".format(person_record['email']))
person_id = int (self.driver.shell.AddPerson(person_record))
self.driver.shell.AddRoleToPerson('user', person_id)
self.driver.shell.AddPersonToSite(person_id, site_id)
# plcapi tends to mess with the incoming hrn so let's make sure
self.driver.shell.SetPersonHrn (person_id, user_hrn)
+ # also 'enabled':True does not seem to pass through with AddPerson
+ self.driver.shell.UpdatePerson (person_id, {'enabled': True})
return person_id
# this is for retrieving users from a hrn
users_by_hrn = { user['hrn'] : user for user in users }
- for user in users: logger.debug("incoming user %s"%user)
+ for user in users: logger.debug("incoming user {}".format(user))
# compute the hrn's for the authority and site
top_auth_hrn = top_auth(slice_hrn)
self.driver.shell.AddPersonKey(int(person_id), key)
- def verify_slice_attributes(self, slice, requested_slice_attributes, options=None, admin=False):
+ def verify_slice_tags(self, slice, requested_slice_attributes, options=None, admin=False):
+ """
+ This function deals with slice tags, and supports 3 modes described
+ in the 'pltags' option that can be either
+ (*) 'ignore' (default) - do nothing
+ (*) 'append' - only add incoming tags, that do not match an existing tag
+ (*) 'sync' - tries to do the plain wholesale thing,
+ i.e. to leave the db in sync with incoming tags
+ """
if options is None: options={}
- append = options.get('append', True)
- # get list of attributes users ar able to manage
+
+ # lookup 'pltags' in options to find out which mode is requested here
+ pltags = options.get('pltags', 'ignore')
+ # make sure the default is 'ignore'
+ if pltags not in ('ignore', 'append', 'sync'):
+ pltags = 'ignore'
+
+ if pltags == 'ignore':
+ logger.info('verify_slice_tags in ignore mode - leaving slice tags as-is')
+ return
+
+ # incoming data (attributes) have a (name, value) pair
+ # while PLC data (tags) have a (tagname, value) pair
+ # we must be careful not to mix these up
+
+ # get list of tags users are able to manage - based on category
filter = {'category': '*slice*'}
if not admin:
filter['|roles'] = ['user']
- slice_attributes = self.driver.shell.GetTagTypes(filter)
- valid_slice_attribute_names = [attribute['tagname'] for attribute in slice_attributes]
+ valid_tag_types = self.driver.shell.GetTagTypes(filter)
+ valid_tag_names = [ tag_type['tagname'] for tag_type in valid_tag_types ]
+ logger.debug("verify_slice_attributes: valid names={}".format(valid_tag_names))
- # get sliver attributes
- added_slice_attributes = []
- removed_slice_attributes = []
+ # get slice tags
+ slice_attributes_to_add = []
+ slice_tags_to_remove = []
# we need to keep the slice hrn anyway
- ignored_slice_attribute_names = ['hrn']
- existing_slice_attributes = self.driver.shell.GetSliceTags({'slice_id': slice['slice_id']})
+ ignored_slice_tag_names = ['hrn']
+ existing_slice_tags = self.driver.shell.GetSliceTags({'slice_id': slice['slice_id']})
- # get attributes that should be removed
- for slice_tag in existing_slice_attributes:
- if slice_tag['tagname'] in ignored_slice_attribute_names:
+ # get tags that should be removed
+ for slice_tag in existing_slice_tags:
+ if slice_tag['tagname'] in ignored_slice_tag_names:
# If a slice already has a admin only role it was probably given to them by an
# admin, so we should ignore it.
- ignored_slice_attribute_names.append(slice_tag['tagname'])
- attribute_found=True
+ ignored_slice_tag_names.append(slice_tag['tagname'])
+ tag_found = True
else:
- # If an existing slice attribute was not found in the request it should
+ # If an existing slice tag was not found in the request it should
# be removed
- attribute_found=False
+ tag_found = False
for requested_attribute in requested_slice_attributes:
if requested_attribute['name'] == slice_tag['tagname'] and \
requested_attribute['value'] == slice_tag['value']:
- attribute_found=True
+ tag_found = True
break
+ # remove tags only if not in append mode
+ if not tag_found and pltags != 'append':
+ slice_tags_to_remove.append(slice_tag)
- if not attribute_found and not append:
- removed_slice_attributes.append(slice_tag)
-
- # get attributes that should be added:
+ # get tags that should be added:
for requested_attribute in requested_slice_attributes:
# if the requested attribute wasn't found we should add it
- if requested_attribute['name'] in valid_slice_attribute_names:
- attribute_found = False
- for existing_attribute in existing_slice_attributes:
+ if requested_attribute['name'] in valid_tag_names:
+ tag_found = False
+ for existing_attribute in existing_slice_tags:
if requested_attribute['name'] == existing_attribute['tagname'] and \
requested_attribute['value'] == existing_attribute['value']:
- attribute_found=True
+ tag_found = True
break
- if not attribute_found:
- added_slice_attributes.append(requested_attribute)
-
-
- # remove stale attributes
- for attribute in removed_slice_attributes:
+ if not tag_found:
+ slice_attributes_to_add.append(requested_attribute)
+
+ def friendly_message (tag_or_att):
+ name = tag_or_att['tagname'] if 'tagname' in tag_or_att else tag_or_att['name']
+ return "SliceTag slice={}, tagname={} value={}, node_id={}"\
+ .format(slice['name'], tag_or_att['name'], tag_or_att['value'], tag_or_att.get('node_id'))
+
+ # remove stale tags
+ for tag in slice_tags_to_remove:
try:
- self.driver.shell.DeleteSliceTag(attribute['slice_tag_id'])
- except Exception, e:
- logger.warn('Failed to remove sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
- % (slice['name'], attribute['value'], attribute.get('node_id'), str(e)))
-
- # add requested_attributes
- for attribute in added_slice_attributes:
+ logger.info("Removing Slice Tag {}".format(friendly_message(tag)))
+ self.driver.shell.DeleteSliceTag(tag['slice_tag_id'])
+ except Exception as e:
+ logger.warn("Failed to remove slice tag {}\nCause:{}"\
+ .format(friendly_message(tag), e))
+
+ # add requested_tags
+ for attribute in slice_attributes_to_add:
try:
+ logger.info("Adding Slice Tag {}".format(friendly_message(attribute)))
self.driver.shell.AddSliceTag(slice['name'], attribute['name'],
attribute['value'], attribute.get('node_id', None))
- except Exception, e:
- logger.warn('Failed to add sliver attribute. name: %s, value: %s, node_id: %s\nCause:%s'\
- % (slice['name'], attribute['value'], attribute.get('node_id'), str(e)))
-
+ except Exception as e:
+ logger.warn("Failed to add slice tag {}\nCause:{}"\
+ .format(friendly_message(attribute), e))