Fixing up DCE
[nepi.git] / src / nepi / resources / all / collector.py
index 6101cdd..58745e3 100644 (file)
 
 from nepi.execution.attribute import Attribute, Flags, Types
 from nepi.execution.trace import Trace, TraceAttr
-from nepi.execution.resource import ResourceManager, clsinit, ResourceState, \
-        ResourceAction
+from nepi.execution.resource import ResourceManager, clsinit_copy, \
+        ResourceState, ResourceAction
 from nepi.util.sshfuncs import ProcStatus
 
 import os
 import tempfile
 
-@clsinit
+@clsinit_copy
 class Collector(ResourceManager):
     """ The collector is reponsible of collecting traces
     of a same type associated to RMs into a local directory.
@@ -37,23 +37,25 @@ class Collector(ResourceManager):
         :type ec: ExperimentController
         :param guid: guid of the RM
         :type guid: int
-        :param creds: Credentials to communicate with the rm (XmppClient)
-        :type creds: dict
 
     """
     _rtype = "Collector"
+    _help = "A Collector can be attached to a trace name on another " \
+        "ResourceManager and will retrieve and store the trace content " \
+        "in a local file at the end of the experiment"
+    _backend_type = "all"
 
     @classmethod
     def _register_attributes(cls):
         trace_name = Attribute("traceName", "Name of the trace to be collected", 
-                flags = Flags.ExecReadOnly)
+                flags = Flags.Design)
         store_dir = Attribute("storeDir", "Path to local directory to store trace results", 
                 default = tempfile.gettempdir(),
-                flags = Flags.ExecReadOnly)
+                flags = Flags.Design)
         sub_dir = Attribute("subDir", "Sub directory to collect traces into", 
-                flags = Flags.ExecReadOnly)
+                flags = Flags.Design)
         rename = Attribute("rename", "Name to give to the collected trace file", 
-                flags = Flags.ExecReadOnly)
+                flags = Flags.Design)
 
         cls._register_attribute(trace_name)
         cls._register_attribute(store_dir)
@@ -67,8 +69,8 @@ class Collector(ResourceManager):
     @property
     def store_path(self):
         return self._store_path
-    
-    def provision(self):
+   
+    def do_provision(self):
         trace_name = self.get("traceName")
         if not trace_name:
             self.fail()
@@ -78,7 +80,7 @@ class Collector(ResourceManager):
             raise RuntimeError, msg
 
         store_dir = self.get("storeDir")
-        self._store_path = os.path.join(store_dir, self.ec.exp_id, self.ec.run_id)
+        self._store_path = os.path.join(store_dir, self.ec.run_id)
 
         subdir = self.get("subDir")
         if subdir:
@@ -93,19 +95,15 @@ class Collector(ResourceManager):
         except OSError:
             pass
 
-        super(Collector, self).provision()
+        super(Collector, self).do_provision()
 
-    def deploy(self):
-        try:
-            self.discover()
-            self.provision()
-        except:
-            self.fail()
-            raise
+    def do_deploy(self):
+        self.do_discover()
+        self.do_provision()
 
-        super(Collector, self).deploy()
+        super(Collector, self).do_deploy()
 
-    def release(self):
+    def do_release(self):
         trace_name = self.get("traceName")
         rename = self.get("rename") or trace_name
 
@@ -128,7 +126,7 @@ class Collector(ResourceManager):
                 self.error(msg)
                 continue
 
-        super(Collector, self).release()
+        super(Collector, self).do_release()
 
     def valid_connection(self, guid):
         # TODO: Validate!