Changing ResourceManager naming for platform::ResourceName
[nepi.git] / src / nepi / resources / linux / application.py
index 08ea700..861bf1e 100644 (file)
@@ -20,7 +20,7 @@
 from nepi.execution.attribute import Attribute, Flags, Types
 from nepi.execution.trace import Trace, TraceAttr
 from nepi.execution.resource import ResourceManager, clsinit_copy, \
-        ResourceState, reschedule_delay
+        ResourceState
 from nepi.resources.linux.node import LinuxNode
 from nepi.util.sshfuncs import ProcStatus
 from nepi.util.timefuncs import tnow, tdiffsec
@@ -81,7 +81,7 @@ class LinuxApplication(ResourceManager):
 
     """
 
-    _rtype = "LinuxApplication"
+    _rtype = "linux::Application"
     _help = "Runs an application on a Linux host with a BASH command "
     _backend_type = "linux"
 
@@ -173,7 +173,9 @@ class LinuxApplication(ResourceManager):
         super(LinuxApplication, self).__init__(ec, guid)
         self._pid = None
         self._ppid = None
+        self._node = None
         self._home = "app-%s" % self.guid
+
         # whether the command should run in foreground attached
         # to a terminal
         self._in_foreground = False
@@ -194,9 +196,16 @@ class LinuxApplication(ResourceManager):
 
     @property
     def node(self):
-        node = self.get_connected(LinuxNode.get_rtype())
-        if node: return node[0]
-        return None
+        if not self._node:
+            node = self.get_connected(LinuxNode.get_rtype())
+            if not node: 
+                msg = "Application %s guid %d NOT connected to Node" % (
+                        self._rtype, self.guid)
+                raise RuntimeError, msg
+
+            self._node = node[0]
+
+        return self._node
 
     @property
     def app_home(self):
@@ -518,7 +527,7 @@ class LinuxApplication(ResourceManager):
         node = self.node
         if not node or node.state < ResourceState.READY:
             self.debug("---- RESCHEDULING DEPLOY ---- node state %s " % self.node.state )
-            self.ec.schedule(reschedule_delay, self.deploy)
+            self.ec.schedule(self.reschedule_delay, self.deploy)
         else:
             command = self.get("command") or ""
             self.info("Deploying command '%s' " % command)
@@ -635,11 +644,13 @@ class LinuxApplication(ResourceManager):
                     (out, err), proc = self.node.kill(self.pid, self.ppid,
                             sudo = self._sudo_kill)
 
+                    """
                     # TODO: check if execution errors occurred
                     if (proc and proc.poll()) or err:
                         msg = " Failed to STOP command '%s' " % self.get("command")
                         self.error(msg, out, err)
-        
+                    """
+
             super(LinuxApplication, self).do_stop()
 
     def do_release(self):