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The new Beijing release scalability, resiliency, and manageablity are described here.   These capabilities apply to the OOM/Kubernetes installation.

Installation

Follow the OOM installation instructions at 

http://onap.readthedocs.io/en/latest/submodules/oom.git/docs/index.html

TLab specific installation

Below are the notes specific for the TLab environment.

    1. Find Rancher IP in R_Control-Plane tenant - we use “onap_dev” key and “Ubuntu” user to SSH. For example: “ssh -i onap_dev ubuntu@192.168.31.245”.
    2. Login as ubuntu, then run "sudo -i" to login as root. The “oom” git repo is in the rancher vm's root directory, under “/root/oom”.
    3. Edit portal files at /root/oom/kubernetes

      “make portal”

      “make onap”

      Run below command from "/root” folder to do helm upgrade

      "helm upgrade -i dev local/onap -f integration-override.yaml"

    4. Rancher gui is at 192.168.31.245:8080

There is an interactive cli as well in the rancher gui where you can run kubectl commands. Below command will show the list of portal services.

"kubectl get services --namespace=onap | grep portal”

Overview of the running system

Healthchecks

Verify that the portal healtcheck passes by the robot framework:

https://jenkins.onap.org/view/External%20Labs/job/lab-tlab-beijing-oom-deploy/325/robot/OpenECOMP%20ETE/Robot/Testsuites/Health-Check/

portal-app Scaling

To scale a new portal-app, set the replica count appropriately.   

In our tests below, we are going to work with the OOM portal component in isolation.   In this exercise, we scale the portal-app with 2 new replicas.

portal-app Resiliency

A portal-app container failure can be simulated by stopping the portal-app container.    The kubernetes liveness operation will detect that the ports are down, inferring there's a problem with the service, and in turn, will restart the container. 

Here is where one of the running instances was deleted. And another is starting.

After Deleteing 1 portal App.

Here the new instance has started and the old one is still terminating

After the deleted instance has terminated the 3 instances are all running normally.


  During this time there was no issues with the Portal Website.

Sanity Tests 

Check Portal UI and perform sanity tests.

  1. After 3 instances of Portal are up, edit IP in /etc/hosts file, and logon as demo user on http://portal.api.simpledemo.onap.org:30215/ONAPPORTAL/login.htm
  2. Then killed 1 instance, I am able to continue on Portal page seamlessly
  3. Another test on failover timing, when killed all 3 instances, the new Portal processes are coming up within 30 seconds




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