Examples with Result org.apache.sling.hc.api.Result used on opensource projects

Example 11 with Result

use of org.apache.sling.hc.api.Result in project sling by apache.

the class ThreadUsageHealthCheck method execute.

@Override
public Result execute() {
    FormattingResultLog log = new FormattingResultLog();
    log.debug("Checking threads for exceeding {}% CPU time within time period of {}ms", cpuTimeThresholdWarn, samplePeriodInMs);
    try {
        ThreadMXBean threadMxBean = ManagementFactory.getThreadMXBean();
        List<ThreadTimeInfo> threadTimeInfos = collectThreadTimeInfos(log, threadMxBean);
        Collections.sort(threadTimeInfos);
        float totalCpuTimePercentage = 0;
        for (int i = 0; i < threadTimeInfos.size(); i++) {
            ThreadTimeInfo threadInfo = threadTimeInfos.get(i);
            float cpuTimePercentage = ((float) threadInfo.getCpuTime() / ((float) samplePeriodInMs * 1000000)) * 100f;
            totalCpuTimePercentage += cpuTimePercentage;
            String msg = String.format("%4.1f", cpuTimePercentage) + "% used by thread \"" + threadInfo.name + "\"";
            if (i < 3 || (i < 10 && cpuTimePercentage > 15)) {
                log.info(msg);
            } else {
                log.debug(msg);
            }
        }
        log.info(threadTimeInfos.size() + " threads using " + String.format("%4.1f", totalCpuTimePercentage) + "% CPU Time");
        boolean isHighCpuTime = totalCpuTimePercentage > cpuTimeThresholdWarn;
        if (isHighCpuTime) {
            log.warn("Threads are consuming significant CPU time " + (cpuTimeThresholdWarnIsConfigured ? "(more than configured " + cpuTimeThresholdWarn + "% within " + samplePeriodInMs + "ms)" : "(more than " + availableProcessors + " cores * 90% = " + cpuTimeThresholdWarn + "%)"));
        }
        checkForDeadlock(log, threadMxBean);
    } catch (Exception e) {
        LOG.error("Could not analyse thread usage " + e, e);
        log.healthCheckError("Could not analyse thread usage", e);
    }
    return new Result(log);
}

Example 12 with Result

use of org.apache.sling.hc.api.Result in project sling by apache.

the class HealthCheckExecutorServletTest method testDoGetNameAndTagInPath.

@Test
public void testDoGetNameAndTagInPath() throws ServletException, IOException {
    final String testTag = "testTag";
    final String testName = "test name";
    doReturn(testTag + "," + testName).when(request).getPathInfo();
    doReturn("false").when(request).getParameter(HealthCheckExecutorServlet.PARAM_COMBINE_TAGS_WITH_OR.name);
    final List<HealthCheckExecutionResult> executionResults = getExecutionResults(Result.Status.CRITICAL);
    doReturn(executionResults).when(healthCheckExecutor).execute(selector(new String[] { testTag }, new String[] { testName }), eq(new HealthCheckExecutionOptions()));
    healthCheckExecutorServlet.doGet(request, response);
    verify(request, never()).getParameter(HealthCheckExecutorServlet.PARAM_TAGS.name);
    verify(request, never()).getParameter(HealthCheckExecutorServlet.PARAM_NAMES.name);
    verifyZeroInteractions(jsonSerializer);
    verifyZeroInteractions(txtSerializer);
    verifyZeroInteractions(verboseTxtSerializer);
    verify(htmlSerializer).serialize(resultEquals(new Result(Result.Status.CRITICAL, "Overall Status CRITICAL")), eq(executionResults), contains("Supported URL parameters"), eq(false));
}

Example 13 with Result

use of org.apache.sling.hc.api.Result in project sling by apache.

the class HealthCheckExecutorServletTest method getExecutionResults.

private List<HealthCheckExecutionResult> getExecutionResults(Result.Status worstStatus) {
    List<HealthCheckExecutionResult> results = new ArrayList<HealthCheckExecutionResult>();
    results.add(new ExecutionResult(new HealthCheckMetadata(hcServiceRef), new Result(worstStatus, worstStatus.name()), 100));
    results.add(new ExecutionResult(new HealthCheckMetadata(hcServiceRef), new Result(Result.Status.OK, "OK"), 100));
    return results;
}

Example 14 with Result

use of org.apache.sling.hc.api.Result in project sling by apache.

the class HealthCheckExecutorServletTest method testDoGetJson.

@Test
public void testDoGetJson() throws ServletException, IOException {
    final String testTag = "testTag";
    doReturn("true").when(request).getParameter(HealthCheckExecutorServlet.PARAM_COMBINE_TAGS_WITH_OR.name);
    int timeout = 5000;
    doReturn(timeout + "").when(request).getParameter(HealthCheckExecutorServlet.PARAM_OVERRIDE_GLOBAL_TIMEOUT.name);
    doReturn("/" + testTag + ".json").when(request).getPathInfo();
    final List<HealthCheckExecutionResult> executionResults = getExecutionResults(Result.Status.WARN);
    HealthCheckExecutionOptions options = new HealthCheckExecutionOptions();
    options.setCombineTagsWithOr(true);
    options.setOverrideGlobalTimeout(timeout);
    doReturn(executionResults).when(healthCheckExecutor).execute(selector(new String[] { testTag }, new String[0]), eq(options));
    healthCheckExecutorServlet.doGet(request, response);
    verifyZeroInteractions(htmlSerializer);
    verifyZeroInteractions(txtSerializer);
    verifyZeroInteractions(verboseTxtSerializer);
    verify(jsonSerializer).serialize(resultEquals(new Result(Result.Status.WARN, "Overall Status WARN")), eq(executionResults), anyString(), eq(false));
}

Example 15 with Result

use of org.apache.sling.hc.api.Result in project sling by apache.

the class ExtendedHealthCheckExecutorIT method registerHC.

private void registerHC(final String... tags) {
    final HealthCheck hc = new HealthCheck() {

        @Override
        public Result execute() {
            return new Result(testResult, "Returning " + testResult + " for " + tags[0]);
        }
    };
    final Dictionary<String, Object> props = new Hashtable<String, Object>();
    props.put(HealthCheck.NAME, "name_" + tags[0]);
    props.put(HealthCheck.TAGS, tags);
    regs.add(bundleContext.registerService(HealthCheck.class.getName(), hc, props));
}