def __init__ (self,config):
PlDriver.__init__ (self, config)
self.shell=FdShell(config)
class FdDriver (PlDriver):
def __init__ (self,config):
PlDriver.__init__ (self, config)
self.shell=FdShell(config)
# the agreement with the federica driver is for them to expose results in a way
# compliant with the avpi v2 return code, i.e. a dict with 'code' 'value' 'output'
# essentially, either 'code'==0, then 'value' is set to the actual result
# otherwise, 'code' is set to an error code and 'output' holds an error message
def response (self, from_xmlrpc):
if isinstance (from_xmlrpc, dict) and 'code' in from_xmlrpc:
if from_xmlrpc['code']==0:
return from_xmlrpc['value']
else:
raise SfaFault(from_xmlrpc['code'],from_xmlrpc['output'])
else:
logger.warning("unexpected result from federica xmlrpc api")
return from_xmlrpc
def aggregate_version (self):
result={}
federica_version_string_api = self.response(self.shell.getRSpecVersion())
result ['federica_version_string_api']=federica_version_string_api
if federica_version_string_api != federica_version_string:
result['WARNING']="hard-wired rspec version %d differs from what the API currently exposes"%\
federica_version_string
return result
def testbed_name (self):
return "federica"
def list_slices (self, creds, options):
return self.response(self.shell.listSlices())
def sliver_status (self, slice_urn, slice_hrn):
return "fddriver.sliver_status: undefined/todo for slice %s"%slice_hrn
def list_resources (self, slice_urn, slice_hrn, creds, options):
# right now rspec_version is ignored on the federica side
# we normally derive it from options
# look in cache if client has requested so
cached_requested = options.get('cached', True)
# global advertisement
if not slice_hrn:
# self.cache is initialized unless the global config has it turned off
if cached_requested and self.cache:
# using federica_version_string as the key into the cache
rspec = self.cache.get(federica_version_string)
if rspec:
logger.debug("FdDriver.ListResources: returning cached advertisement")
return self.response(rspec)
# otherwise, need to get it
# java code expects creds as a String
# rspec = self.shell.listAvailableResources (creds, federica_version_string)
rspec = self.shell.listAvailableResources ("", federica_version_string)
# rspec = self.shell.listAvailableResources (federica_version_string)
# cache it for future use
if self.cache:
logger.debug("FdDriver.ListResources: stores advertisement in cache")
self.cache.add(federica_version_string, rspec)
return self.response(rspec)
# about a given slice : don't cache
else:
# java code expects creds as a String
# return self.response(self.shell.listSliceResources(creds, federica_version_string, slice_urn))
return self.response(self.shell.listSliceResources("", federica_version_string, slice_urn))
def create_sliver (self, slice_urn, slice_hrn, creds, rspec_string, users, options):
# right now version_string is ignored on the federica side
# we normally derive it from options
# java code expects creds as a String
# return self.response(self.shell.createSlice(creds, slice_urn, federica_version_string, rspec_string))
return self.response(self.shell.createSlice("", slice_urn, federica_version_string, rspec_string))
def delete_sliver (self, slice_urn, slice_hrn, creds, options):
# right now version_string is ignored on the federica side
# we normally derive it from options
# xxx not sure if that's currentl supported at all
# java code expects creds as a String
# return self.response(self.shell.deleteSlice(creds, slice_urn))
return self.response(self.shell.deleteSlice("", slice_urn))
class FdDriver(PlDriver):
def __init__(self, api):
PlDriver.__init__(self, api)
config = api.config
self.shell = FdShell(config)
# the agreement with the federica driver is for them to expose results in a way
# compliant with the avpi v2 return code, i.e. a dict with 'code' 'value' 'output'
# essentially, either 'code'==0, then 'value' is set to the actual result
# otherwise, 'code' is set to an error code and 'output' holds an error message
def response(self, from_xmlrpc):
if isinstance(from_xmlrpc, dict) and 'code' in from_xmlrpc:
if from_xmlrpc['code'] == 0:
return from_xmlrpc['value']
else:
raise SfaFault(from_xmlrpc['code'], from_xmlrpc['output'])
else:
logger.warning("unexpected result from federica xmlrpc api")
return from_xmlrpc
def aggregate_version(self):
result = {}
federica_version_string_api = self.response(
self.shell.getRSpecVersion())
result['federica_version_string_api'] = federica_version_string_api
if federica_version_string_api != federica_version_string:
result['WARNING']="hard-wired rspec version %d differs from what the API currently exposes"%\
federica_version_string
return result
def testbed_name(self):
return "federica"
def list_slices(self, creds, options):
# the issue is that federica returns the list of slice's urn in a string format
# this is why this dirty hack is needed until federica fixes it.
slices_str = self.shell.listSlices()['value'][1:-1]
slices_list = slices_str.split(", ")
return slices_list
def sliver_status(self, slice_urn, slice_hrn):
return "fddriver.sliver_status: undefined/todo for slice %s" % slice_hrn
def list_resources(self, slice_urn, slice_hrn, creds, options):
# right now rspec_version is ignored on the federica side
# we normally derive it from options
# look in cache if client has requested so
cached_requested = options.get('cached', True)
# global advertisement
if not slice_hrn:
# self.cache is initialized unless the global config has it turned off
if cached_requested and self.cache:
# using federica_version_string as the key into the cache
rspec = self.cache.get(federica_version_string)
if rspec:
logger.debug(
"FdDriver.ListResources: returning cached advertisement"
)
return self.response(rspec)
# otherwise, need to get it
# java code expects creds as a String
# rspec = self.shell.listAvailableResources (creds, federica_version_string)
rspec = self.shell.listAvailableResources("",
federica_version_string)
# rspec = self.shell.listAvailableResources (federica_version_string)
# cache it for future use
if self.cache:
logger.debug(
"FdDriver.ListResources: stores advertisement in cache")
self.cache.add(federica_version_string, rspec)
return self.response(rspec)
# about a given slice : don't cache
else:
# java code expects creds as a String
# return self.response(self.shell.listSliceResources(creds, federica_version_string, slice_urn))
return self.response(
self.shell.listSliceResources("", federica_version_string,
slice_urn))
def create_sliver(self, slice_urn, slice_hrn, creds, rspec_string, users,
options):
# right now version_string is ignored on the federica side
# we normally derive it from options
# java code expects creds as a String
# return self.response(self.shell.createSlice(creds, slice_urn, federica_version_string, rspec_string))
return self.response(
self.shell.createSlice("", slice_urn, federica_version_string,
rspec_string))
def delete_sliver(self, slice_urn, slice_hrn, creds, options):
# right now version_string is ignored on the federica side
# we normally derive it from options
# xxx not sure if that's currentl supported at all
# java code expects creds as a String
# return self.response(self.shell.deleteSlice(creds, slice_urn))
return self.response(self.shell.deleteSlice("", slice_urn))
def __init__(self, api):
PlDriver.__init__(self, api)
config = api.config
self.shell = FdShell(config)
def __init__ (self,api):
PlDriver.__init__ (self, api)
config = api.config
self.shell=FdShell(config)
