+### $Id: start_slice.py 15428 2009-10-23 15:28:03Z tmack $
+### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/methods/start_slice.py $
+
+from sfa.util.faults import *
+from sfa.util.misc import *
+from sfa.util.method import Method
+from sfa.util.parameter import Parameter, Mixed
+
+class delete_slice(Method):
+ """
+ Delete the specified slice
+
+ @param cred credential string specifying the rights of the caller
+ @param hrn human readable name of slice to instantiate
+ @return 1 is successful, faults otherwise
+ """
+
+ interfaces = ['component']
+
+ accepts = [
+ Parameter(str, "Credential string"),
+ Parameter(str, "Human readable name of slice to instantiate"),
+ Mixed(Parameter(str, "Request hash"),
+ Parameter(None, "Request hash not specified"))
+ ]
+
+ returns = [Parameter(int, "1 if successful")]
+
+ def call(self, cred, hrn, request_hash=None):
+ # This cred will be an slice cred, not a user, so we cant use it to
+ # authenticate the caller's request_hash. Let just get the caller's gid
+ # from the cred and authenticate using that
+ client_gid = Credential(string=cred).get_gid_caller()
+ client_gid_str = client_gid.save_to_string(save_parents=True)
+ self.api.auth.authenticateGid(client_gid_str, [cred, hrn], request_hash)
+ self.api.auth.check(cred, 'deleteslice')
+ self.api.nodemanager.Destroy(hrn)
+
+ return 1