3 from sfa.util.faults import InsufficientRights
4 from sfa.util.xrn import urn_to_hrn
5 from sfa.util.method import Method
6 from sfa.util.sfatime import utcparse, add_datetime
7 from sfa.util.sfalogging import logger
9 from sfa.trust.credential import Credential
11 from sfa.storage.parameter import Parameter
16 Renews the resources in the specified slice or slivers by
17 extending the lifetime.
19 @param urns ([string]) List of URNs of to renew
20 @param credentials ([string]) of credentials
21 @param expiration_time (string) requested time of expiration
22 @param options (dict) options
24 interfaces = ['aggregate', 'slicemgr']
26 Parameter(type([str]), "Slice URN"),
27 Parameter(type([str]), "List of credentials"),
28 Parameter(str, "Expiration time in RFC 3339 format"),
29 Parameter(dict, "Options"),
31 returns = Parameter(bool, "Success or Failure")
33 def call(self, urns, creds, expiration_time, options):
35 # Find the valid credentials
36 valid_creds = self.api.auth.checkCredentialsSpeaksFor(
37 creds, 'renewsliver', urns,
38 check_sliver_callback=self.api.driver.check_sliver_credentials,
40 the_credential = Credential(cred=valid_creds[0])
41 actual_caller_hrn = the_credential.actual_caller_hrn()
42 logger.info("interface: %s\tcaller-hrn: %s\ttarget-urns: %s\texpiration:%s\tmethod-name: %s" %
43 (self.api.interface, actual_caller_hrn, urns, expiration_time, self.name))
45 # extend as long as possible : take the min of requested and
46 # now+SFA_MAX_SLICE_RENEW
47 if options.get('geni_extend_alap'):
48 # ignore requested time and set to max
49 expiration_time = add_datetime(datetime.datetime.utcnow(
50 ), days=int(self.api.config.SFA_MAX_SLICE_RENEW))
52 # Validate that the time does not go beyond the credential's expiration
54 requested_expire = utcparse(expiration_time)
55 logger.info("requested_expire = %s" % requested_expire)
56 credential_expire = the_credential.get_expiration()
57 logger.info("credential_expire = %s" % credential_expire)
58 max_renew_days = int(self.api.config.SFA_MAX_SLICE_RENEW)
59 max_expire = datetime.datetime.utcnow() + datetime.timedelta(days=max_renew_days)
60 if requested_expire > credential_expire:
61 # used to throw an InsufficientRights exception here, this was not
63 logger.warning("Requested expiration %s, after credential expiration (%s) -> trimming to the latter/sooner" %
64 (requested_expire, credential_expire))
65 requested_expire = credential_expire
66 if requested_expire > max_expire:
68 logger.warning("Requested expiration %s, after maximal expiration %s days (%s) -> trimming to the latter/sooner" %
69 (requested_expire, self.api.config.SFA_MAX_SLICE_RENEW, max_expire))
70 requested_expire = max_expire
72 return self.api.manager.Renew(self.api, urns, creds, requested_expire, options)