How to use

getAlertId

method

in

org.apache.eagle.alert.engine.model.AlertStreamEvent

  private static VelocityContext buildAlertContext(PolicyDefinition policyDefinition, AlertStreamEvent event) {
    VelocityContext context = new VelocityContext();
    context.put(AlertContextFields.SITE_ID, event.getSiteId());
    context.put(AlertContextFields.STREAM_ID, event.getStreamId());
    context.put(AlertContextFields.ALERT_ID, event.getAlertId());
    context.put(AlertContextFields.CREATED_BY, event.getCreatedBy());
    context.put(AlertContextFields.CREATED_TIMESTAMP, event.getCreatedTime());
    context.put(AlertContextFields.CREATED_TIME,  String.format("%s %s",
        DateTimeUtil.millisecondsToHumanDateWithSeconds(event.getCreatedTime()),
        DateTimeUtil.CURRENT_TIME_ZONE.getID()));
    context.put(AlertContextFields.ALERT_TIMESTAMP, event.getTimestamp());
    context.put(AlertContextFields.ALERT_TIME,  String.format("%s %s",
        DateTimeUtil.millisecondsToHumanDateWithSeconds(event.getTimestamp()),
        DateTimeUtil.CURRENT_TIME_ZONE.getID()));
    context.put(AlertContextFields.ALERT_SCHEMA, event.getSchema());
    context.put(AlertContextFields.ALERT_EVENT, event);

    context.put(AlertContextFields.POLICY_ID, policyDefinition.getName());
    context.put(AlertContextFields.POLICY_DESC, policyDefinition.getDescription());
    context.put(AlertContextFields.POLICY_TYPE, policyDefinition.getDefinition().getType());
    context.put(AlertContextFields.POLICY_DEFINITION, policyDefinition.getDefinition().getValue());
    context.put(AlertContextFields.POLICY_HANDLER, policyDefinition.getDefinition().getHandlerClass());

    for (Map.Entry<String, Object> entry : event.getDataMap().entrySet()) {
      context.put(entry.getKey(), entry.getValue());
    }
    return context;
  }
}

alertContext.put(PublishConstants.ALERT_EMAIL_BODY, getAlertBody(event));
alertContext.put(PublishConstants.ALERT_EMAIL_POLICY_ID, event.getPolicyId());
alertContext.put(PublishConstants.ALERT_EMAIL_ALERT_ID, event.getAlertId());
alertContext.put(PublishConstants.ALERT_EMAIL_ALERT_DATA, event.getDataMap().toString());
alertContext.put(PublishConstants.ALERT_EMAIL_ALERT_DATA_DESC, generateAlertDataDesc(event));
try {
  alertContext.put(PublishConstants.ALERT_EMAIL_ALERT_DETAIL_URL,
    String.format("%s/#/site/%s/alert/detail/%s?timestamp=%s", rootUrl, event.getSiteId(), URIUtil.encodeQuery(event.getAlertId(), "UTF-8"), event.getTimestamp()));
  alertContext.put(PublishConstants.ALERT_EMAIL_POLICY_DETAIL_URL,
    String.format("%s/#/site/%s/policy/detail/%s", rootUrl, event.getSiteId(), URIUtil.encodeQuery(event.getPolicyId(), "UTF-8")));
  LOG.warn(e.getMessage(), e);
  alertContext.put(PublishConstants.ALERT_EMAIL_ALERT_DETAIL_URL,
    String.format("%s/#/site/%s/alert/detail/%s?timestamp=%s", rootUrl, event.getSiteId(), event.getAlertId(), event.getTimestamp()));
  alertContext.put(PublishConstants.ALERT_EMAIL_POLICY_DETAIL_URL,
    String.format("%s/#/site/%s/policy/detail/%s", rootUrl, event.getSiteId(), event.getPolicyId()));

public AlertEntity convertAlertEvent(AlertStreamEvent event) {
  Preconditions.checkNotNull(event.getAlertId(), "alertId is not initialized before being published: " + event.toString());
  AlertEntity alertEvent = new AlertEntity();
  Map<String, String> tags = new HashMap<>();
  tags.put(POLICY_ID_KEY, event.getPolicyId());
  tags.put(ALERT_ID_KEY, event.getAlertId());
  tags.put(ALERT_CATEGORY, event.getCategory());
  tags.put(ALERT_SEVERITY, event.getSeverity().toString());
  String host = event.getDataMap().getOrDefault("host", "null").toString();
  String hostname = event.getDataMap().getOrDefault("hostname", "null").toString();
  if (host != "null") {
    tags.put(ALERT_HOST, host);
  } else {
    tags.put(ALERT_HOST, hostname);
  }
  if (event.getContext() != null && !event.getContext().isEmpty()) {
    tags.put(SITE_ID_KEY, event.getContext().get(SITE_ID_KEY).toString());
    alertEvent.setPolicyValue(event.getContext().get(POLICY_VALUE_KEY).toString());
    alertEvent.setAppIds((List<String>) event.getContext().get(APP_IDS_KEY));
  }
  alertEvent.setTimestamp(event.getCreatedTime());
  alertEvent.setAlertData(event.getDataMap());
  alertEvent.setAlertSubject(event.getSubject());
  alertEvent.setAlertBody(event.getBody());
  alertEvent.setTags(tags);
  return alertEvent;
}

public AlertStreamEvent(AlertStreamEvent event) {
  this.siteId = event.getSiteId();
  this.alertId = event.getAlertId();
  this.policyId = event.policyId;
  this.schema = event.schema;
  this.createdBy = event.createdBy;
  this.createdTime = event.createdTime;
  this.setTimestamp(event.getTimestamp());
  this.setData(new Object[event.data.length]);
  System.arraycopy(event.data, 0, this.data, 0, event.data.length);
  this.setStreamId(event.getStreamId());
  this.setMetaVersion(event.getMetaVersion());
}

public static AlertPublishEvent createAlertPublishEvent(AlertStreamEvent event) {
  Preconditions.checkNotNull(event.getAlertId(), "alertId is not initialized before being published: " + event.toString());
  AlertPublishEvent alertEvent = new AlertPublishEvent();
  alertEvent.setAlertId(event.getAlertId());
  alertEvent.setPolicyId(event.getPolicyId());
  alertEvent.setAlertTimestamp(event.getCreatedTime());
  alertEvent.setStreamId(event.getStreamId());
  alertEvent.setCreatedBy(event.getCreatedBy());
  alertEvent.setCreatedTime(event.getCreatedTime());
  alertEvent.setAlertSubject(event.getSubject());
  alertEvent.setAlertBody(event.getBody());
  if (event.getContext() != null && !event.getContext().isEmpty()) {
    if (event.getContext().containsKey(SITE_ID_KEY)) {
      alertEvent.setSiteId(event.getContext().get(SITE_ID_KEY).toString());
    }
    if (event.getContext().containsKey(POLICY_VALUE_KEY)) {
      alertEvent.setPolicyValue(event.getContext().get(POLICY_VALUE_KEY).toString());
    }
    if (event.getContext().containsKey(APP_IDS_KEY)) {
      alertEvent.setAppIds((List<String>) event.getContext().get(APP_IDS_KEY));
    }
  }
  alertEvent.setAlertData(event.getDataMap());
  return alertEvent;
}

public static AlertStreamEvent createEvent(StreamDefinition stream, PolicyDefinition policy, Object[] data) {
  AlertStreamEvent event = new AlertStreamEvent();
  event.setPolicyId(policy.getName());
  event.setSchema(stream);
  event.setStreamId(stream.getStreamId());
  event.setTimestamp(System.currentTimeMillis());
  event.setCreatedTime(System.currentTimeMillis());
  event.setSubject("Namenode Disk Used 98%");
  event.setBody("Disk Usage of Test cluster's name node (<a href=\"#\">namenode.hostname.domain</a>) is <strong style=\"color: red\">98%</strong> at <strong>2016-11-30 12:30:45</strong>, exceeding alert threshold <strong>90</strong>%");
  event.setData(data);
  event.ensureAlertId();
  event.setSeverity(AlertSeverity.CRITICAL);
  event.setCategory("HDFS");
  event.setContext(new HashMap<String,Object>(){{
    put(AlertPublishEvent.SITE_ID_KEY,"TestCluster");
  }});
  Assert.assertNotNull(event.getAlertId());
  return event;
}