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
8 from sfa.server.api_versions import ApiVersions
11 class AggregateManager:
13 def __init__ (self, config): pass
15 # essentially a union of the core version, the generic version (this code) and
16 # whatever the driver needs to expose
18 def rspec_versions(self):
19 version_manager = VersionManager()
20 ad_rspec_versions = []
21 request_rspec_versions = []
22 for rspec_version in version_manager.versions:
23 if rspec_version.content_type in ['*', 'ad']:
24 ad_rspec_versions.append(rspec_version.to_dict())
25 if rspec_version.content_type in ['*', 'request']:
26 request_rspec_versions.append(rspec_version.to_dict())
28 'geni_request_rspec_versions': request_rspec_versions,
29 'geni_ad_rspec_versions': ad_rspec_versions,
32 def get_rspec_version_string(self, rspec_version, options=None):
33 if options is None: options={}
34 version_string = "rspec_%s" % (rspec_version)
36 #panos adding the info option to the caching key (can be improved)
37 if options.get('info'):
38 version_string = version_string + "_"+options.get('info', 'default')
40 # Adding the list_leases option to the caching key
41 if options.get('list_leases'):
42 version_string = version_string + "_"+options.get('list_leases', 'default')
44 # Adding geni_available to caching key
45 if options.get('geni_available'):
46 version_string = version_string + "_" + str(options.get('geni_available'))
50 def GetVersion(self, api, options):
51 xrn=Xrn(api.hrn, type='authority+am')
52 version = version_core()
53 cred_types = [{'geni_type': 'geni_sfa', 'geni_version': str(i)} for i in range(4)[-2:]]
54 geni_api_versions = ApiVersions().get_versions()
55 geni_api_versions['3'] = 'http://%s:%s' % (api.config.sfa_aggregate_host, api.config.sfa_aggregate_port)
57 'testbed': api.driver.testbed_name(),
58 'interface':'aggregate',
63 'geni_api_versions': geni_api_versions,
64 'geni_single_allocation': 0, # Accept operations that act on as subset of slivers in a given state.
65 'geni_allocate': 'geni_many',# Multiple slivers can exist and be incrementally added, including those which connect or overlap in some way.
66 'geni_credential_types': cred_types,
67 'geni_handles_speaksfor': True, # supports 'speaks for' credentials
69 version.update(version_generic)
70 version.update(self.rspec_versions())
71 testbed_version = api.driver.aggregate_version()
72 version.update(testbed_version)
75 def ListResources(self, api, creds, options):
76 call_id = options.get('call_id')
77 if Callids().already_handled(call_id): return ""
79 # get the rspec's return format from options
80 version_manager = VersionManager()
81 rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
82 version_string = self.get_rspec_version_string(rspec_version, options)
85 cached_requested = options.get('cached', True)
86 if cached_requested and api.driver.cache:
87 rspec = api.driver.cache.get(version_string)
89 logger.debug("%s.ListResources returning cached advertisement" % (api.driver.__module__))
92 rspec = api.driver.list_resources (rspec_version, options)
94 logger.debug("%s.ListResources stores advertisement in cache" % (api.driver.__module__))
95 api.driver.cache.add(version_string, rspec)
98 def Describe(self, api, creds, urns, options):
99 call_id = options.get('call_id')
100 if Callids().already_handled(call_id): return ""
102 version_manager = VersionManager()
103 rspec_version = version_manager.get_version(options.get('geni_rspec_version'))
104 return api.driver.describe(urns, rspec_version, options)
107 def Status (self, api, urns, creds, options):
108 call_id = options.get('call_id')
109 if Callids().already_handled(call_id): return {}
110 return api.driver.status (urns, options=options)
113 def Allocate(self, api, xrn, creds, rspec_string, expiration, options):
115 Allocate resources as described in a request RSpec argument
116 to a slice with the named URN.
118 call_id = options.get('call_id')
119 if Callids().already_handled(call_id): return ""
120 return api.driver.allocate(xrn, rspec_string, expiration, options)
122 def Provision(self, api, xrns, creds, options):
124 Create the sliver[s] (slice) at this aggregate.
125 Verify HRN and initialize the slice record in PLC if necessary.
127 call_id = options.get('call_id')
128 if Callids().already_handled(call_id): return ""
130 # make sure geni_rspec_version is specified in options
131 if 'geni_rspec_version' not in options:
132 msg = 'geni_rspec_version is required and must be set in options struct'
133 raise SfaInvalidArgument(msg, 'geni_rspec_version')
134 # make sure we support the requested rspec version
135 version_manager = VersionManager()
136 rspec_version = version_manager.get_version(options['geni_rspec_version'])
137 if not rspec_version:
138 raise InvalidRSpecVersion(options['geni_rspec_version'])
140 return api.driver.provision(xrns, options)
142 def Delete(self, api, xrns, creds, options):
143 call_id = options.get('call_id')
144 if Callids().already_handled(call_id): return True
145 return api.driver.delete(xrns, options)
147 def Renew(self, api, xrns, creds, expiration_time, options):
148 call_id = options.get('call_id')
149 if Callids().already_handled(call_id): return True
151 return api.driver.renew(xrns, expiration_time, options)
153 def PerformOperationalAction(self, api, xrns, creds, action, options=None):
154 if options is None: options={}
155 call_id = options.get('call_id')
156 if Callids().already_handled(call_id): return True
157 return api.driver.perform_operational_action(xrns, action, options)
159 def Shutdown(self, api, xrn, creds, options=None):
160 if options is None: options={}
161 call_id = options.get('call_id')
162 if Callids().already_handled(call_id): return True
163 return api.driver.shutdown(xrn, options)