def getInstanceMemoryHistogram(self, topology_info, instance_id):
"""
Fetches Instance top memory item as histogram.
"""
pid_response = yield getInstancePid(topology_info, instance_id)
try:
http_client = tornado.httpclient.AsyncHTTPClient()
pid_json = json.loads(pid_response)
pid = pid_json['stdout'].strip()
if pid == '':
raise Exception('Failed to get pid')
endpoint = utils.make_shell_endpoint(topology_info, instance_id)
url = "%s/histo/%s" % (endpoint, pid)
response = yield http_client.fetch(url)
Log.debug("HTTP call for url: %s", url)
raise tornado.gen.Return(response.body)
except tornado.httpclient.HTTPError as e:
raise Exception(str(e))
def getInstanceJstack(self, topology_info, instance_id):
"""
Fetches Instance jstack from heron-shell.
"""
pid_response = yield getInstancePid(topology_info, instance_id)
try:
http_client = tornado.httpclient.AsyncHTTPClient()
pid_json = json.loads(pid_response)
pid = pid_json['stdout'].strip()
if pid == '':
raise Exception('Failed to get pid')
endpoint = utils.make_shell_endpoint(topology_info, instance_id)
url = "%s/jstack/%s" % (endpoint, pid)
response = yield http_client.fetch(url)
Log.debug("HTTP call for url: %s", url)
raise tornado.gen.Return(response.body)
except tornado.httpclient.HTTPError as e:
raise Exception(str(e))