protected void initialize() { checkState(getConfig(URL) != null ^ getConfig(URL_SENSOR) != null, "Must set exactly one of url or urlSensor: url=%s; urlSensor=%s", getConfig(URL), getConfig(URL_SENSOR)); checkState(getConfig(URL_SENSOR) != null || getConfig(URL_POST_PROCESSING) == null, "Must not set urlPostProcessing without urlSensor"); Object configValue = getConfig(URL); if (configValue != null) { url.set(configValue.toString()); } httpFeed = HttpFeed.builder() .entity(entity) .period(getConfig(PERIOD)) .baseUri(Suppliers.compose(Urls.stringToUriFunction(), AtomicReferences.supplier(url))) .poll(new HttpPollConfig<Double>(REQUEST_LATENCY_IN_SECONDS_MOST_RECENT) .onResult(MathFunctions.divide(HttpValueFunctions.latency(), 1000.0d)) .setOnException(null)) .suspended() .build(); if (getUniqueTag()==null) uniqueTag = JavaClassNames.simpleClassName(getClass())+":"+ (getConfig(URL)!=null ? getConfig(URL) : getConfig(URL_SENSOR)); }
@Override protected void connectSensors() { super.connectSensors(); ConfigToAttributes.apply(this); HostAndPort accessible = BrooklynAccessUtils.getBrooklynAccessibleAddress(this, getHttpPort()); String nodeJsUrl = String.format("http://%s:%d", accessible.getHostText(), accessible.getPort()); if (isHttpMonitoringEnabled()) { LOG.info("Connecting to {}", nodeJsUrl); httpFeed = HttpFeed.builder() .entity(this) .baseUri(nodeJsUrl) .poll(new HttpPollConfig<Boolean>(SERVICE_UP) .suppressDuplicates(true) .suburl(getConfig(NodeJsWebAppService.SERVICE_UP_PATH)) .checkSuccess(Predicates.alwaysTrue()) .onSuccess(HttpValueFunctions.responseCodeEquals(200)) .setOnException(false)) .build(); } else { connectServiceUpIsRunning(); } WebAppServiceMethods.connectWebAppServerPolicies(this); }
.setOnException(false)) .poll(new HttpPollConfig<ManagementNodeState>(MANAGEMENT_NODE_STATE) .suburl("/v1/server/ha/state")
@Override public void connectSensors() { super.connectSensors(); ConfigToAttributes.apply(this); // "up" is defined as returning a valid HTTP response from nginx (including a 404 etc) httpFeed = addFeed(HttpFeed.builder() .uniqueTag("nginx-poll") .entity(this) .period(getConfig(HTTP_POLL_PERIOD)) .baseUri(new UrlInferencer()) .poll(new HttpPollConfig<String>(SENSOR_STRING) .onResult(HttpValueFunctions.stringContentsFunction()) .setOnException("Failed") .suppressDuplicates(true)) .build()); }
.setOnException(false) .suppressDuplicates(true)) .build());