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External Health Checks on Oracle Cloud Infrastructure

Robert Bushell
Principal Product Manager

When you run a solution in the public cloud, it's important to monitor the availability and performance of the service to end users, to ensure access from outside the host cloud. To meet this need, a cloud provider must provide monitoring from a diverse set of locations within relevant regional markets around the globe.

Oracle Cloud Infrastructure is pleased to announce the release of external health checks to help you monitor the availability and performance of any public-facing service, whether hosted in Oracle Cloud or in a hybrid infrastructure.

What Are Health Checks?

External health checks enable you to perform scheduled testing, by using a variety of different protocols, from a set of Oracle managed vantage points around the globe to any fully qualified domain name (FQDN) or IP address specified by the user. Health checks provides support for HTTP and HTTPS web application checks and TCP and ICMP pings for monitoring IP addresses. You can also choose high-availability testing with tests running as frequently as every 10 seconds from each vantage point. On-demand testing, which allows for one-off validation or troubleshooting tests, is also available through a REST API.

Additionally, the Health Check service is fully integrated with the DNS Traffic Management service to enable automated detection of service failures and trigger DNS failovers to ensure continuity of service.

Creating a Health Check

  1. From the Edge Services menu, navigate to Health Checks. In the Health Checks area, click Create Health Check, and enter the details of your check in the dialog box.
  2. Enter name that will help you to remember the purpose of this check when you return to this page.
  3. Select the compartment that you want to add this check to.
  4. Add the target endpoints that you want to monitor. The Targets field is prepopulated with suggested endpoints drawn from public IP addresses already configured in your compartment. You can select one of these endpoints to monitor or add a new one.
  5. Select vantage points from which you intend to monitor the targets. These vantage points are located in locations around the globe, and we generally recommend selecting vantage points that are  located in the same continent as your application.
  6. Select the type of test that you want to run—HTTP or HTTPS for a web page, or TCP or ICMP for a public IP address.
  7. Set the frequency of the tests as appropriate to the level of monitoring that your service requires. Current options include every 30 or 60 seconds for basic tests, and premium tests run at the higher frequency of every 10 seconds.  An additional fee is calculated for premium tests. 
  8. Add any tags to help you quickly search for this check in the future.
  9. Click Create Health Check

After the check is created, a details page shows information specific to this check.

Retrieving Metrics

The Health Check service delivers metrics directly to the Oracle Cloud Infrastructure Monitoring service to enable you to query the input metrics, build reports, and configure alerts based on the external monitoring. This integration gives you the flexibility to identify service failures visible from locations around the globe.

A full REST API lets you access up to 90 days of historic health check monitoring data.

Within the Health Check UI, each test also provides access to measurement data from the probes.

Suspending Health Checks

If you need to temporarily suspend a health check—for example, you are working to operationally maintain or alter a service—you can do that by selecting the affected check and clicking Disable on the Health Check details page.

Next Steps

Health checks are simple to configure through a flexible UI or REST API. We recommend using the service to monitor any critical publicly exposed IP address or FQDN that you are delivering, whether hosted solely in Oracle Cloud Infrastructure or across your hybrid environment.

Health checks will be extended to include more types of tests across different protocols and with more configuration options. If there is a specific test you would like us to support, let us know. If you haven't tried Oracle Cloud Infrastructure yet, you can try it for free

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Comments ( 1 )
  • Jayant Girme Monday, February 18, 2019
    Awesome stuff. Your blogs keep us ahead of rest of the practitioners.
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