26-appcon-application-healthchecks.adoc

In this exercise, you will learn how to setup health checks for your application.

If you want to, you can create a new project based on what you have learned in the previous labs. Since we already have a project we will use it. Run the following command to make sure.

Step 1 Make sure welcome application is deployed

1. Login https://openshift.caascloud.net:8443

2. Click lab2-username project

3. Make sure you have the welcome php application deploy.

4. If not, click Add to project if you are not already in the Browse Catalog.

5. Click PHP under Browse Catalog

6. Click Select in the PHP box

7. Enter: phpapp as name

8. Enter: https://github.com/RedHatWorkshops/welcome-php.git as Git Repository URL

Step 2 Setup Application Health Checks

1. Click Applications -→ Deployments

2. Click on the name of Deployment that you need to add health checks

3. Click Actions (top right) -→ select Edit Health Checks

4. Click onto Add Readiness Probe

5. Enter /healthz.php as Path

6. Enter 10 for Initial Delay seconds

7. Enter 20 for timeout seconds

8. Click onto Add Liveness Probe

9. Enter /healthz.php for Path

10. Enter 120 for Initial Delay seconds

11. Click Save

12. Application will be redeploy