+### $Id: stop_slice.py 17732 2010-04-19 21:10:45Z tmack $
+### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/methods/stop_slice.py $
+
+from sfa.util.faults import *
+from sfa.util.namespace import *
+from sfa.util.method import Method
+from sfa.util.parameter import Parameter, Mixed
+from sfa.trust.auth import Auth
+from sfa.trust.credential import Credential
+
+class Start(Method):
+ """
+ Start the specified slice
+
+ @param xrn human readable name of slice to instantiate (hrn or urn)
+ @param cred credential string specifying the rights of the caller
+ @return 1 is successful, faults otherwise
+ """
+
+ interfaces = ['aggregate', 'slicemgr', 'component']
+
+ accepts = [
+ Parameter(str, "Human readable name of slice to start (hrn or urn)"),
+ Mixed(Parameter(str, "Credential string"),
+ Parameter(type([str]), "List of credentials")),
+ ]
+
+ returns = Parameter(int, "1 if successful")
+
+ def call(self, xrn, creds):
+ hrn, type = urn_to_hrn(xrn)
+ valid_creds = self.api.auth.checkCredentials(creds, 'deletesliver', hrn)
+
+ #log the call
+ origin_hrn = Credential(string=valid_creds[0]).get_gid_caller().get_hrn()
+ self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, origin_hrn, hrn, self.name))
+
+ manager = self.api.get_interface_manager()
+ manager.start_slice(self.api, xrn, valid_creds)
+
+ return 1