merging with geni-api branch
[sfa.git] / sfa / methods / DeleteSliver.py
1 from sfa.util.faults import *
2 from sfa.util.namespace import *
3 from sfa.util.method import Method
4 from sfa.util.parameter import Parameter
5
6 class DeleteSliver(Method):
7     """
8     Delete sliver from a slice.   Callers can check on the status of
9     the resources using SliverStatus.
10
11     @param slice_urn (string) URN of slice to allocate to
12     @param credentials ([string]) of credentials
13     
14     """
15     interfaces = ['geni_am']
16     accepts = [
17         Parameter(str, "Slice URN"),
18         Parameter(type([str]), "List of credentials"),
19         ]
20     returns = Parameter(bool, "Success or Failure")
21
22     def call(self, slice_xrn, creds):
23         hrn, type = urn_to_hrn(slice_xrn)
24         self.api.logger.info("interface: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, hrn, self.name))
25
26         # Find the valid credentials
27         ValidCreds = self.api.auth.checkCredentials(creds, 'deletesliver', hrn)
28         
29         manager_base = 'sfa.managers'
30
31         if self.api.interface in ['geni_am']:
32             mgr_type = self.api.config.SFA_GENI_AGGREGATE_TYPE
33             manager_module = manager_base + ".geni_am_%s" % mgr_type
34             manager = __import__(manager_module, fromlist=[manager_base])
35             return manager.DeleteSliver(self.api, slice_xrn, ValidCreds)
36
37         return ''
38