replaceing resolve with Resolve

[sfa.git] / sfa / methods / Remove.py

diff --git a/sfa/methods/Remove.py b/sfa/methods/Remove.py
new file mode 100644 (file)
index 0000000..6282877
--- /dev/null
+++ b/sfa/methods/Remove.py
@@ -0,0 +1,58 @@
+### $Id: remove.py 16497 2010-01-07 03:33:24Z tmack $
+### $URL: https://svn.planet-lab.org/svn/sfa/trunk/sfa/methods/remove.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.util.debug import log
+from sfa.trust.credential import Credential
+
+class remove(Method):
+    """
+    Remove an object from the registry. If the object represents a PLC object,
+    then the PLC records will also be removed.
+    
+    @param cred credential string
+    @param type record type
+    @param xrn human readable name of record to remove (hrn or urn)
+
+    @return 1 if successful, faults otherwise 
+    """
+
+    interfaces = ['registry']
+    
+    accepts = [
+        Parameter(str, "Credential string"),
+        Parameter(str, "Record type"),
+        Parameter(str, "Human readable name of slice to instantiate (hrn or urn)"),
+        Mixed(Parameter(str, "Human readable name of the original caller"),
+              Parameter(None, "Origin hrn not specified"))
+        ]
+
+    returns = Parameter(int, "1 if successful")
+    
+    def call(self, cred, type, xrn, origin_hrn=None):
+        user_cred = Credential(string=cred)
+       
+        # convert xrn to hrn     
+        if type: 
+            hrn = urn_to_hrn(xrn)[0]
+        else: 
+            hrn, type = urn_to_hrn(xrn)
+            
+        #log the call
+        if not origin_hrn:
+            origin_hrn = user_cred.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))
+
+        # validate the cred
+        self.api.auth.check(cred, "remove")
+        self.api.auth.verify_object_permission(hrn)
+       
+        # send the call to the right manager
+        manager_base = 'sfa.managers'
+        mgr_type = self.api.config.SFA_REGISTRY_TYPE
+        manager_module = manager_base + ".registry_manager_%s" % mgr_type
+        manager = __import__(manager_module, fromlist=[manager_base])
+        return manager.remove(self.api, xrn, type, origin_hrn)