2 from sfa.rspecs.version_manager import VersionManager
3 from sfa.util.version import version_core
4 from sfa.util.xrn import Xrn
5 from sfa.util.callids import Callids
6 from sfa.util.sfalogging import logger
8 class AggregateManager:
10 def __init__ (self, config): pass
12 # essentially a union of the core version, the generic version (this code) and
13 # whatever the driver needs to expose
15 def _rspec_versions(self):
16 version_manager = VersionManager()
17 ad_rspec_versions = []
18 request_rspec_versions = []
19 for rspec_version in version_manager.versions:
20 if rspec_version.content_type in ['*', 'ad']:
21 ad_rspec_versions.append(rspec_version.to_dict())
22 if rspec_version.content_type in ['*', 'request']:
23 request_rspec_versions.append(rspec_version.to_dict())
25 'testbed':self.testbed_name(),
26 'geni_request_rspec_versions': request_rspec_versions,
27 'geni_ad_rspec_versions': ad_rspec_versions,
30 def get_rspec_version_string(self, rspec_version, options={}):
31 version_string = "rspec_%s" % (rspec_version)
33 #panos adding the info option to the caching key (can be improved)
34 if options.get('info'):
35 version_string = version_string + "_"+options.get('info', 'default')
37 # Adding the list_leases option to the caching key
38 if options.get('list_leases'):
39 version_string = version_string + "_"+options.get('list_leases', 'default')
41 # Adding geni_available to caching key
42 if options.get('geni_available'):
43 version_string = version_string + "_" + str(options.get('geni_available'))
47 def GetVersion(self, api, options):
49 version = version_core()
51 'testbed': self.driver.testbed_name(),
52 'interface':'aggregate',
56 'geni_api_versions': {'3': 'http://%s:%s' % (socket.gethostname(), api.config.sfa_aggregate_port)},
57 'geni_single_allocation': 0, # Accept operations that act on as subset of slivers in a given state.
58 'geni_allocate': 'geni_many',# Multiple slivers can exist and be incrementally added, including those which connect or overlap in some way.
59 'geni_best_effort': 'true',
60 'geni_credential_types': [{
61 'geni_type': 'geni_sfa',
65 version.update(version_generic)
66 testbed_version = self.driver.aggregate_version()
67 version.update(testbed_version)
70 def ListSlices(self, api, creds, options):
71 call_id = options.get('call_id')
72 if Callids().already_handled(call_id): return []
76 slices = self.driver.cache.get('slices')
78 logger.debug("%s.list_slices returns from cache" % (self.driver.__module__))
82 slices = self.driver.list_slices(creds, options)
86 logger.debug ("%s.list_slices stores value in cache" % (self.driver.__module__))
87 self.driver.cache.add('slices', instance_urns)
89 return self.driver.list_slices (creds, options)
91 def ListResources(self, api, creds, options):
92 call_id = options.get('call_id')
93 if Callids().already_handled(call_id): return ""
95 # get the rspec's return format from options
96 version_manager = VersionManager()
97 rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
98 version_string = self.get_rspec_version_string(rspec_version, options)
100 # look in cache first
101 cached_requested = options.get('cached', True)
102 if cached_requested and self.driver.cache and not slice_hrn:
103 rspec = self.driver.cache.get(version_string)
105 logger.debug("%s.ListResources returning cached advertisement" % (self.driver.__module__))
108 rspec = self.driver.list_resources (version, options)
109 if self.driver.cache:
110 logger.debug("%s.ListResources stores advertisement in cache" % (self.driver.__module__))
111 self.driver.cache.add(version_string, rspec)
114 def Describe(self, api, creds, urns, options):
115 call_id = options.get('call_id')
116 if Callids().already_handled(call_id): return ""
118 version_manager = VersionManager()
119 rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
120 return self.driver.describe(urns, rspec_version, options)
123 def Status (self, api, urns, options):
124 call_id = options.get('call_id')
125 if Callids().already_handled(call_id): return {}
126 return self.driver.status (urns, options=options)
129 def Allocate(self, api, xrn, creds, rspec_string, options):
131 Allocate resources as described in a request RSpec argument
132 to a slice with the named URN.
134 call_id = options.get('call_id')
135 if Callids().already_handled(call_id): return ""
136 return self.driver.allocate(xrn, creds, rspec_string, options)
138 def Provision(self, api, xrns, options):
140 Create the sliver[s] (slice) at this aggregate.
141 Verify HRN and initialize the slice record in PLC if necessary.
143 call_id = options.get('call_id')
144 if Callids().already_handled(call_id): return ""
145 return self.driver.provision(xrns, creds, options)
147 def Delete(self, api, xrns, options):
148 call_id = options.get('call_id')
149 if Callids().already_handled(call_id): return True
150 return self.driver.delete_sliver (xrns, options)
152 def Renew(self, api, xrns, expiration_time, options):
153 call_id = options.get('call_id')
154 if Callids().already_handled(call_id): return True
155 return self.driver.renew(xrns, expiration_time, options)
157 def GetTicket(self, api, xrn, creds, rspec, users, options):
160 slice_urn=xrn.get_urn()
161 slice_hrn=xrn.get_hrn()
163 return self.driver.get_ticket (slice_urn, slice_hrn, creds, rspec, options)