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_credential_types': cred_types,
63 version.update(version_generic)
64 version.update(self.rspec_versions())
65 testbed_version = self.driver.aggregate_version()
66 version.update(testbed_version)
69 def ListResources(self, api, creds, options):
70 call_id = options.get('call_id')
71 if Callids().already_handled(call_id): return ""
73 # get the rspec's return format from options
74 version_manager = VersionManager()
75 rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
76 version_string = self.get_rspec_version_string(rspec_version, options)
79 cached_requested = options.get('cached', True)
80 if cached_requested and self.driver.cache:
81 rspec = self.driver.cache.get(version_string)
83 logger.debug("%s.ListResources returning cached advertisement" % (self.driver.__module__))
86 rspec = self.driver.list_resources (rspec_version, options)
88 logger.debug("%s.ListResources stores advertisement in cache" % (self.driver.__module__))
89 self.driver.cache.add(version_string, rspec)
92 def Describe(self, api, creds, urns, options):
93 call_id = options.get('call_id')
94 if Callids().already_handled(call_id): return ""
96 version_manager = VersionManager()
97 rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
98 return self.driver.describe(urns, rspec_version, options)
101 def Status (self, api, urns, creds, options):
102 call_id = options.get('call_id')
103 if Callids().already_handled(call_id): return {}
104 return self.driver.status (urns, options=options)
107 def Allocate(self, api, xrn, creds, rspec_string, expiration, options):
109 Allocate resources as described in a request RSpec argument
110 to a slice with the named URN.
112 call_id = options.get('call_id')
113 if Callids().already_handled(call_id): return ""
114 return self.driver.allocate(xrn, rspec_string, expiration, options)
116 def Provision(self, api, xrns, creds, options):
118 Create the sliver[s] (slice) at this aggregate.
119 Verify HRN and initialize the slice record in PLC if necessary.
121 call_id = options.get('call_id')
122 if Callids().already_handled(call_id): return ""
124 # make sure geni_rspec_version is specified in options
125 if 'geni_rspec_version' not in options:
126 msg = 'geni_rspec_version is required and must be set in options struct'
127 raise SfaInvalidArgument(msg, 'geni_rspec_version')
128 # make sure we support the requested rspec version
129 version_manager = VersionManager()
130 rspec_version = version_manager.get_version(options['geni_rspec_version'])
131 if not 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)