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

Example 1 with ResultLog

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

the class HealthCheckExecutorImpl method collectResultFromFuture.

/**
     * Collect the result from a single future
     * @param future The future
     * @return The execution result or a result for a reached timeout
     */
HealthCheckExecutionResult collectResultFromFuture(final HealthCheckFuture future) {
    HealthCheckExecutionResult result;
    HealthCheckMetadata hcMetadata = future.getHealthCheckMetadata();
    if (future.isDone()) {
        logger.debug("Health Check is done: {}", hcMetadata);
        try {
            result = future.get();
        } catch (final Exception e) {
            logger.warn("Unexpected Exception during future.get(): " + e, e);
            long futureElapsedTimeMs = new Date().getTime() - future.getCreatedTime().getTime();
            result = new ExecutionResult(hcMetadata, Result.Status.HEALTH_CHECK_ERROR, "Unexpected Exception during future.get(): " + e, futureElapsedTimeMs, false);
        }
    } else {
        logger.debug("Health Check timed out: {}", hcMetadata);
        // Futures must not be cancelled as interrupting a health check might leave the system in invalid state 
        // (worst case could be a corrupted repository index if using write operations)
        // normally we turn the check into WARN (normal timeout), but if the threshold time for CRITICAL is reached for a certain
        // future we turn the result CRITICAL
        long futureElapsedTimeMs = new Date().getTime() - future.getCreatedTime().getTime();
        FormattingResultLog resultLog = new FormattingResultLog();
        if (futureElapsedTimeMs < this.longRunningFutureThresholdForRedMs) {
            resultLog.warn("Timeout: Check still running after " + msHumanReadable(futureElapsedTimeMs));
        } else {
            resultLog.critical("Timeout: Check still running after " + msHumanReadable(futureElapsedTimeMs) + " (exceeding the configured threshold for CRITICAL: " + msHumanReadable(this.longRunningFutureThresholdForRedMs) + ")");
        }
        // add logs from previous, cached result if exists (using a 1 year TTL)
        HealthCheckExecutionResult lastCachedResult = healthCheckResultCache.getValidCacheResult(hcMetadata, 1000 * 60 * 60 * 24 * 365);
        if (lastCachedResult != null) {
            DateFormat df = new SimpleDateFormat("HH:mm:ss.SSS");
            resultLog.info("*** Result log of last execution finished at {} after {} ***", df.format(lastCachedResult.getFinishedAt()), FormattingResultLog.msHumanReadable(lastCachedResult.getElapsedTimeInMs()));
            for (ResultLog.Entry entry : lastCachedResult.getHealthCheckResult()) {
                resultLog.add(entry);
            }
        }
        result = new ExecutionResult(hcMetadata, new Result(resultLog), futureElapsedTimeMs, true);
    }
    return result;
}

Example 2 with ResultLog

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

the class HealthCheckMBeanTest method assertJmxValue.

private void assertJmxValue(String mbeanName, String attributeName, String constraint, boolean expected) throws Exception {
    final MBeanServer jmxServer = ManagementFactory.getPlatformMBeanServer();
    final ObjectName objectName = new ObjectName(mbeanName);
    if (jmxServer.queryNames(objectName, null).size() == 0) {
        fail("MBean not found: " + objectName);
    }
    final Object value = jmxServer.getAttribute(objectName, attributeName);
    final ResultLog resultLog = new ResultLog();
    new SimpleConstraintChecker().check(value, constraint, resultLog);
    assertEquals("Expecting result " + expected + "(" + resultLog + ")", expected, resultLog.getAggregateStatus().equals(Result.Status.OK));
}