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 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 and not slice_hrn:
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 (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 ""
124 return self.driver.provision(xrns, options)
126 def Delete(self, api, xrns, creds, options):
127 call_id = options.get('call_id')
128 if Callids().already_handled(call_id): return True
129 return self.driver.delete_sliver (xrns, options)
131 def Renew(self, api, xrns, creds, expiration_time, options):
132 call_id = options.get('call_id')
133 if Callids().already_handled(call_id): return True
134 return self.driver.renew(xrns, expiration_time, options)
136 def PerformOperationalAction(self, api, xrns, creds, action, options={}):
137 call_id = options.get('call_id')
138 if Callids().already_handled(call_id): return True
139 return self.driver.performOperationalAction(xrns, action, options)
141 def Shutdown(self, api, xrn, creds, options={}):
142 call_id = options.get('call_id')
143 if Callids().already_handled(call_id): return True
144 return self.driver.shutdown(xrn, options)