@Override
public void sendNotification(Check check, Subscription subscription, List<Alert> alerts) {
try {
VelocityContext context = createVelocityContext(check, subscription, alerts);
StringWriter w = new StringWriter();
Velocity.evaluate(context, w, "EmailNotificationService", getTemplateAsString());
Email email =
new Email()
.withTo(subscription.getTarget())
.withFrom(seyrenConfig.getFromEmail())
.withSubject(createSubject(check))
.withMessage(w.getBuffer().toString());
mailSender.send(createMimeMessage(email));
} catch (Exception e) {
throw new NotificationFailedException(
"Failed to send notification to "
+ subscription.getTarget()
+ " from "
+ seyrenConfig.getFromEmail(),
e);
}
}
@Override
public void updateSubscription(String checkId, Subscription subscription) {
DBObject subscriptionObject = mapper.subscriptionToDBObject(subscription);
DBObject subscriptionFindObject = forId(subscription.getId());
DBObject checkFindObject =
forId(checkId).with("subscriptions", object("$elemMatch", subscriptionFindObject));
DBObject updateObject = object("$set", object("subscriptions.$", subscriptionObject));
getChecksCollection().update(checkFindObject, updateObject);
}
@Override
public Subscription createSubscription(String checkId, Subscription subscription) {
subscription.setId(ObjectId.get().toString());
DBObject check = forId(checkId);
DBObject query =
object("$push", object("subscriptions", mapper.subscriptionToDBObject(subscription)));
getChecksCollection().update(check, query);
return subscription;
}
@Override
public void sendNotification(Check check, Subscription subscription, List<Alert> alerts)
throws NotificationFailedException {
HttpClient httpclient = HttpClientBuilder.create().useSystemProperties().build();
RestAdapter restadapter =
new RestAdapter.Builder()
.setClient(new ApacheClient(httpclient))
.setEndpoint(Endpoints.newFixedEndpoint(baseUrl))
.build();
PagerDuty pagerDuty = PagerDuty.create(subscription.getTarget(), restadapter);
NotifyResult result = null;
try {
if (check.getState() == AlertType.ERROR || check.getState() == AlertType.WARN) {
Trigger trigger =
new Trigger.Builder("Check '" + check.getName() + "' has exceeded its threshold.")
.withIncidentKey(incidentKey(check))
.client("Seyren")
.clientUrl(url(check))
.addDetails(details(check, alerts))
.build();
result = pagerDuty.notify(trigger);
} else if (check.getState() == AlertType.OK) {
Resolution resolution =
new Resolution.Builder(incidentKey(check))
.withDescription("Check '" + check.getName() + "' has been resolved.")
.addDetails(details(check, alerts))
.build();
result = pagerDuty.notify(resolution);
} else {
LOGGER.warn(
"Did not send notification to PagerDuty for check in state: {}", check.getState());
}
} catch (Exception e) {
throw new NotificationFailedException("Failed to send notification to PagerDuty", e);
}
if (result != null && !"success".equals(result.status())) {
throw new NotificationFailedException(
"Failed to send notification to PagerDuty: '"
+ result.status()
+ "', "
+ result.message());
}
}
@Override
public void sendNotification(Check check, Subscription subscription, List<Alert> alerts)
throws NotificationFailedException {
LOGGER.info("Script Location: {}", seyrenConfig.getScriptPath());
ProcessBuilder pb =
new ProcessBuilder(
seyrenConfig.getScriptType(),
seyrenConfig.getScriptPath(),
subscription.getTarget(),
new Gson().toJson(check));
try {
LOGGER.info("Script Start");
Process p = pb.start();
BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));
String line;
while ((line = reader.readLine()) != null) {
LOGGER.info(line);
}
LOGGER.info("Script End");
} catch (IOException e) {
LOGGER.info("Script could not be sent: {}", e.getMessage());
throw new NotificationFailedException("Could not send message through the script");
}
}