def create(self, req):
rc = req.params.get('requireCount')
resetFlag = req.params.get('reset')
if rc and isNumber(rc) and resetFlag and isNumber(resetFlag):
rc = int(rc)
resetFlag = int(resetFlag)
if resetFlag:
TomcatInstanceUtil.resetAllUsingInstances()
uic = UsingInstancesDBUtil.getUsingInstancesCount()
if rc > uic:
needC = rc - uic
while needC > 0:
TomcatInstanceUtil.createTomcatInstance()
needC -= 1
elif rc < uic:
deleteC = uic - rc
TomcatInstanceUtil.deleteSpecifyNumberInstances(deleteC)
TomcatInstanceUtil.ensureAllUsingInstancesActive()
return UsingInstancesDBUtil.getAllUsingInstancesInfo()
else:
result = errorResultJson('The Post Body Must be {requireCount:x, reset:y} (ps:x must be number, reset must be 0 or 1)')
return result
def getInitialScheme(self):
periodDB = shelve.open(periodRecoderFile)
periodDB[periodRecoder] = None
periodDB.close()
fiboDB = shelve.open(fiboDataFile)
fiboDB[fiboDataName] = None
fiboDB.close()
clearAllData()
PerformanceDBUtil.clearPerformanceDataTable()
WorkloadDBUtil.clearWorkloadTable()
uiCount = UsingInstancesDBUtil.getUsingInstancesCount()
if uiCount < initUsingInstancesNumbers:
TomcatInstanceUtil.resetAllUsingInstances()
self.acrcPlacementComponent.getPlacementScheme(
initUsingInstancesNumbers - uiCount, True)
elif uiCount > initUsingInstancesNumbers:
self.acrcPlacementComponent.getPlacementScheme(
uiCount - initUsingInstancesNumbers, False)
TomcatInstanceUtil.resetAllUsingInstances()
else:
TomcatInstanceUtil.resetAllUsingInstances()
def autonomicPeriodHandler(self):
scaleContent = self.provisionComponent.getNumberOfVMsShouldBeScaled()
# re-organize the code, maintaining the logic
if scaleContent['vmNumbers'] == 0:
TomcatInstanceUtil.resetAllUsingInstances()
elif scaleContent['isUp']:
TomcatInstanceUtil.resetAllUsingInstances()
self.placementComponent.getPlacementScheme(scaleContent['vmNumbers'], scaleContent['isUp'])
else:
self.placementComponent.getPlacementScheme(scaleContent['vmNumbers'], scaleContent['isUp'])
TomcatInstanceUtil.resetAllUsingInstances()