def perform_grafana_post_call(url, payload, server):
import params
response = None
data = None
userAndPass = b64encode('{0}:{1}'.format(server.user, server.password))
Logger.debug('POST payload: %s' % payload)
headers = {
"Content-Type": "application/json",
"Content-Length": len(payload),
'Authorization': 'Basic %s' % userAndPass
}
grafana_https_enabled = server.protocol.lower() == 'https'
ca_certs = None
if grafana_https_enabled:
ca_certs = params.ams_grafana_ca_cert
for i in xrange(0, params.grafana_connect_attempts):
try:
Logger.info("Connecting (POST) to %s:%s%s" %
(server.host, server.port, url))
conn = network.get_http_connection(
server.host,
int(server.port),
grafana_https_enabled,
ca_certs,
ssl_version=Script.get_force_https_protocol_value())
conn.request("POST", url, payload, headers)
response = conn.getresponse()
Logger.info("Http response: %s %s" %
(response.status, response.reason))
if response.status == 401: #Intermittent error thrown from Grafana
if i < params.grafana_connect_attempts - 1:
Logger.info(
"Connection to Grafana failed. Next retry in %s seconds."
% (params.grafana_connect_retry_delay))
time.sleep(params.grafana_connect_retry_delay)
continue
data = response.read()
Logger.info("Http data: %s" % data)
conn.close()
break
except (httplib.HTTPException, socket.error) as ex:
if i < params.grafana_connect_attempts - 1:
Logger.info(
"Connection to Grafana failed. Next retry in %s seconds." %
(params.grafana_connect_retry_delay))
time.sleep(params.grafana_connect_retry_delay)
continue
else:
raise Fail("Ambari Metrics Grafana update failed due to: %s" %
str(ex))
pass
return (response, data)
def perform_grafana_delete_call(url, server):
import params
grafana_https_enabled = server.protocol.lower() == 'https'
response = None
ca_certs = None
if grafana_https_enabled:
ca_certs = params.ams_grafana_ca_cert
for i in xrange(0, params.grafana_connect_attempts):
try:
conn = network.get_http_connection(
server.host,
int(server.port),
grafana_https_enabled,
ca_certs,
ssl_version=Script.get_force_https_protocol_value())
userAndPass = b64encode('{0}:{1}'.format(server.user,
server.password))
headers = {'Authorization': 'Basic %s' % userAndPass}
Logger.info("Connecting (DELETE) to %s:%s%s" %
(server.host, server.port, url))
conn.request("DELETE", url, headers=headers)
response = conn.getresponse()
Logger.info("Http response: %s %s" %
(response.status, response.reason))
break
except (httplib.HTTPException, socket.error) as ex:
if i < params.grafana_connect_attempts - 1:
Logger.info(
"Connection to Grafana failed. Next retry in %s seconds." %
(params.grafana_connect_retry_delay))
time.sleep(params.grafana_connect_retry_delay)
continue
else:
raise Fail("Ambari Metrics Grafana update failed due to: %s" %
str(ex))
pass
return response
def perform_grafana_put_call(url, id, payload, server):
response = None
data = None
userAndPass = b64encode('{0}:{1}'.format(server.user, server.password))
headers = {
"Content-Type": "application/json",
'Authorization': 'Basic %s' % userAndPass
}
grafana_https_enabled = server.protocol.lower() == 'https'
ca_certs = None
if grafana_https_enabled:
import params
ca_certs = params.ams_grafana_ca_cert
for i in xrange(0, GRAFANA_CONNECT_TRIES):
try:
conn = network.get_http_connection(
server.host,
int(server.port),
grafana_https_enabled,
ca_certs,
ssl_version=Script.get_force_https_protocol_value())
conn.request("PUT", url + "/" + str(id), payload, headers)
response = conn.getresponse()
data = response.read()
Logger.info("Http data: %s" % data)
conn.close()
break
except (httplib.HTTPException, socket.error) as ex:
if i < GRAFANA_CONNECT_TRIES - 1:
time.sleep(GRAFANA_CONNECT_TIMEOUT)
Logger.info(
"Connection to Grafana failed. Next retry in %s seconds." %
(GRAFANA_CONNECT_TIMEOUT))
continue
else:
raise Fail("Ambari Metrics Grafana update failed due to: %s" %
str(ex))
pass
return (response, data)
