Added damper and slowdown parameters of power policy to manifest file

Added damper and slowdown parameters to manifest file that can be used to
initiliaze power policy parameters

See Issue #10

doc/manifest

@@ -27,8 +27,10 @@
 			{
 				"name": "argo/powerpolicy",
 				"value": {
-					"enabled": "0",
-					"policy": "NONE"
+                    "enabled": "0",
+					"policy": "NONE",
+                    "damper": "0.1",
+                    "slowdown": "1.1"
 				}
 			}
 		]

nrm/aci.py

@@ -156,7 +156,9 @@ class PowerPolicy(SpecField):
     policies = ['NONE', 'DDCM', 'DVFS', 'COMBINED']
 
     fields = {"enabled": spec(unicode, False),
-              "policy": spec(unicode, False)
+              "policy": spec(unicode, False),
+              "damper": spec(unicode, False),
+              "slowdown": spec(unicode, False)
               }
 
     def __init__(self):
@@ -176,6 +178,14 @@ class PowerPolicy(SpecField):
             logger.error("Invalid value of powerpolicy policy: %s",
                          self.policy)
             return False
+        if self.damper < 0.0:
+            logger.error("Invalid value of powerpolicy damper: %s",
+                         self.policy)
+            return False
+        if self.slowdown < 1.0:
+            logger.error("Invalid value of powerpolicy slowdown: %s",
+                         self.policy)
+            return False
         return True
 
 

nrm/containers.py

@@ -50,8 +50,6 @@ class ContainerManager(object):
         environ['AC_APP_NAME'] = manifest.name
         environ['AC_METADATA_URL'] = "localhost"
         logger.info("run: environ: %r", environ)
-        # TODO: Application library to load must be set during configuration
-        applicationpreloadlibrary = '.so'
 
         # create container
         container_name = request['uuid']
@@ -60,6 +58,14 @@ class ContainerManager(object):
         self.nodeos.create(container_name, allocation)
         logger.info("created container %s", container_name)
 
+        # Container power policy information
+        container_powerpolicy = dict()
+        container_powerpolicy['policy'] = "NONE"
+        container_powerpolicy['damper'] = None
+        container_powerpolicy['slowdown'] = None
+        # TODO: Application library to load must be set during configuration
+        applicationpreloadlibrary = ''
+
         # run my command
         if hasattr(manifest.app.isolators, 'scheduler'):
             sched = manifest.app.isolators.scheduler
@@ -79,7 +85,16 @@ class ContainerManager(object):
         if hasattr(manifest.app.isolators, 'powerpolicy'):
             if hasattr(manifest.app.isolators.powerpolicy, 'enabled'):
                 if manifest.app.isolators.powerpolicy.enabled in ["1", "True"]:
-                    if manifest.app.isolators.powerpolicy.policy != "NONE":
+                    container_powerpolicy['policy'] = (
+                            manifest.app.isolators.powerpolicy.policy
+                    )
+                    if container_powerpolicy['policy'] != "NONE":
+                        container_powerpolicy['damper'] = (
+                            manifest.app.isolators.powerpolicy.damper
+                        )
+                        container_powerpolicy['slowdown'] = (
+                            manifest.app.isolators.powerpolicy.slowdown
+                        )
                         environ['LD_PRELOAD'] = applicationpreloadlibrary
 
         argv.append(command)