org.apache.slider.server.servicemonitor

Class HttpProbe

java.lang.Object

org.apache.slider.server.servicemonitor.Probe

org.apache.slider.server.servicemonitor.HttpProbe

All Implemented Interfaces:

MonitorKeys

public class HttpProbe
extends Probe

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.slf4j.Logger	log

Fields inherited from class org.apache.slider.server.servicemonitor.Probe

bootstrapFinished, bootstrapStarted, conf, failureCount, successCount

Fields inherited from interface org.apache.slider.server.servicemonitor.MonitorKeys

BOOTSTRAP_TIMEOUT_DEFAULT, DEFAULT_PROBE_HOST, DEFAULT_PROBE_PORT, JT_PROBE_BOOTSTRAP_TIMEOUT, JT_PROBE_BOOTSTRAP_TIMEOUT_DEFAULT, JT_PROBE_ENABLED, LS_PROBE_BOOTSTRAP_TIMEOUT, LS_PROBE_BOOTSTRAP_TIMEOUT_DEFAULT, LS_PROBE_DEFAULT, LS_PROBE_ENABLED, LS_PROBE_PATH, MONITOR_BOOTSTRAP_TIMEOUT, MONITOR_DEPENDENCY_DFSLIVE, MONITOR_KEY_PREFIX, MONITOR_PROBE_INTERVAL, MONITOR_PROBE_TIMEOUT, MONITOR_REPORT_INTERVAL, MONITOR_REPORTER, PID_PROBE_ENABLED, PID_PROBE_PIDFILE, PORT_PROBE_BOOTSTRAP_TIMEOUT, PORT_PROBE_BOOTSTRAP_TIMEOUT_DEFAULT, PORT_PROBE_CONNECT_TIMEOUT, PORT_PROBE_CONNECT_TIMEOUT_DEFAULT, PORT_PROBE_ENABLED, PORT_PROBE_HOST, PORT_PROBE_PORT, PROBE_INTERVAL_DEFAULT, PROBE_TIMEOUT_DEFAULT, REPORT_INTERVAL_DEFAULT, WEB_PROBE_BOOTSTRAP_TIMEOUT, WEB_PROBE_BOOTSTRAP_TIMEOUT_DEFAULT, WEB_PROBE_CONNECT_TIMEOUT, WEB_PROBE_DEFAULT_CODE, WEB_PROBE_DEFAULT_URL, WEB_PROBE_ENABLED, WEB_PROBE_MAX, WEB_PROBE_MIN, WEB_PROBE_URL

Constructor Summary

Constructors

Constructor and Description
HttpProbe(URL url, int timeout, int min, int max, org.apache.hadoop.conf.Configuration conf)

Method Summary

Methods

Modifier and Type	Method and Description
static HttpURLConnection	getConnection(URL url, int timeout)
ProbeStatus	ping(boolean livePing) Ping the endpoint.

Methods inherited from class org.apache.slider.server.servicemonitor.Probe

beginBootstrap, endBootstrap, getName, init, isBooted, setBooted, setName, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

log

protected static final org.slf4j.Logger log

Constructor Detail

HttpProbe

public HttpProbe(URL url,
         int timeout,
         int min,
         int max,
         org.apache.hadoop.conf.Configuration conf)
          throws IOException

Throws:

IOException

Method Detail

getConnection

public static HttpURLConnection getConnection(URL url,
                              int timeout)
                                       throws IOException

Throws:

IOException

ping

public ProbeStatus ping(boolean livePing)

Description copied from class: Probe

Ping the endpoint. All exceptions must be caught and included in the (failure) status.

Specified by:

ping in class Probe

Parameters:

livePing - is the ping live: true for live; false for boot time

Returns:

the status