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
7 from sfa.util.faults import SfaInvalidArgument, InvalidRSpecVersion
10 class AggregateManager:
12 def __init__ (self, config): pass
14 # essentially a union of the core version, the generic version (this code) and
15 # whatever the driver needs to expose
17 def rspec_versions(self):
18 version_manager = VersionManager()
19 ad_rspec_versions = []
20 request_rspec_versions = []
21 for rspec_version in version_manager.versions:
22 if rspec_version.content_type in ['*', 'ad']:
23 ad_rspec_versions.append(rspec_version.to_dict())
24 if rspec_version.content_type in ['*', 'request']:
25 request_rspec_versions.append(rspec_version.to_dict())
27 'geni_request_rspec_versions': request_rspec_versions,
28 'geni_ad_rspec_versions': ad_rspec_versions,
31 def get_rspec_version_string(self, rspec_version, options={}):
32 version_string = "rspec_%s" % (rspec_version)
34 #panos adding the info option to the caching key (can be improved)
35 if options.get('info'):
36 version_string = version_string + "_"+options.get('info', 'default')
38 # Adding the list_leases option to the caching key
39 if options.get('list_leases'):
40 version_string = version_string + "_"+options.get('list_leases', 'default')
42 # Adding geni_available to caching key
43 if options.get('geni_available'):
44 version_string = version_string + "_" + str(options.get('geni_available'))
48 def GetVersion(self, api, options):
49 xrn=Xrn(api.hrn, type='authority')
50 version = version_core()
51 cred_types = [{'geni_type': 'geni_sfa', 'geni_version': str(i)} for i in range(4)[-2:]]
53 'testbed': self.driver.testbed_name(),
54 'interface':'aggregate',
58 'geni_api_versions': {'3': 'http://%s:%s' % (socket.gethostname(), api.config.sfa_aggregate_port)},
59 'geni_single_allocation': 0, # Accept operations that act on as subset of slivers in a given state.
60 'geni_allocate': 'geni_many',# Multiple slivers can exist and be incrementally added, including those which connect or overlap in some way.
61 'geni_best_effort': 'true',
62 'geni_credential_types': cred_types,
64 version.update(version_generic)
65 version.update(self.rspec_versions())
66 testbed_version = self.driver.aggregate_version()
67 version.update(testbed_version)
70 def ListResources(self, api, creds, options):
71 call_id = options.get('call_id')
72 if Callids().already_handled(call_id): return ""
74 # get the rspec's return format from options
75 version_manager = VersionManager()
76 rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
77 version_string = self.get_rspec_version_string(rspec_version, options)
80 cached_requested = options.get('cached', True)
81 if cached_requested and self.driver.cache:
82 rspec = self.driver.cache.get(version_string)
84 logger.debug("%s.ListResources returning cached advertisement" % (self.driver.__module__))
87 rspec = self.driver.list_resources (rspec_version, options)
89 logger.debug("%s.ListResources stores advertisement in cache" % (self.driver.__module__))
90 self.driver.cache.add(version_string, rspec)
93 def Describe(self, api, creds, urns, options):
94 call_id = options.get('call_id')
95 if Callids().already_handled(call_id): return ""
97 version_manager = VersionManager()
98 rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
99 return self.driver.describe(urns, rspec_version, options)
102 def Status (self, api, urns, creds, options):
103 call_id = options.get('call_id')
104 if Callids().already_handled(call_id): return {}
105 return self.driver.status (urns, options=options)
108 def Allocate(self, api, xrn, creds, rspec_string, options):
110 Allocate resources as described in a request RSpec argument
111 to a slice with the named URN.
113 call_id = options.get('call_id')
114 if Callids().already_handled(call_id): return ""
115 return self.driver.allocate(xrn, rspec_string, options)
117 def Provision(self, api, xrns, creds, options):
119 Create the sliver[s] (slice) at this aggregate.
120 Verify HRN and initialize the slice record in PLC if necessary.
122 call_id = options.get('call_id')
123 if Callids().already_handled(call_id): return ""
125 # make sure geni_rspec_version is specified in options
126 if 'geni_rspec_version' not in options:
127 msg = 'geni_rspec_version is required and must be set in options struct'
128 raise SfaInvalidArgument('geni_rspec_version', msg
129 # make sure we support the requested rspec version
130 version_manager = VersionManager()
131 if not version_manager.get(options['geni_rspec_version']):
132 raise InvalidRSpecVersion(options['geni_rspec_version'])
134 return self.driver.provision(xrns, options)
136 def Delete(self, api, xrns, creds, options):
137 call_id = options.get('call_id')
138 if Callids().already_handled(call_id): return True
139 return self.driver.delete(xrns, options)
141 def Renew(self, api, xrns, creds, expiration_time, options):
142 call_id = options.get('call_id')
143 if Callids().already_handled(call_id): return True
144 return self.driver.renew(xrns, expiration_time, options)
146 def PerformOperationalAction(self, api, xrns, creds, action, options={}):
147 call_id = options.get('call_id')
148 if Callids().already_handled(call_id): return True
149 return self.driver.perform_operational_action(xrns, action, options)
151 def Shutdown(self, api, xrn, creds, options={}):
152 call_id = options.get('call_id')
153 if Callids().already_handled(call_id): return True
154 return self.driver.shutdown(xrn, options)