def getApp(appID, logoutput=True):
'''
Gets JSON element of specific application ID.
'''
if Hadoop.isEncrypted():
rmAppsUrl = YARN.getRMUrl() + "/ws/v1/cluster/apps"
else:
rmAppsUrl = YARN.getRMUrl() + "/ws/v1/cluster/apps"
res = util.getHTTPResponse("JSON", rmAppsUrl)
apps = util.getElement("JSON", res, "apps", False)
appList = util.getElement("JSON", apps, "app", False)
for app in appList:
if util.getValue("JSON", util.getElement("JSON", app, "id")) == appID:
if logoutput:
logger.info("getApp Found: app = %s" % app)
return app
if logoutput:
logger.info("getApp returns None")
return None
