learn-openshift

"Learn OpenShift" is a step by step hands-ob guide which gives you some practical OpenShift-related examples

Labs

The repository gives a number of folders which proides all files required for a Lab. The following labs are included

Lab	Description
Lab 0	Creating lab environment (please see below)
Lab 1	Overview of the lab environment
Lab 2	Managing user projects
Lab 3	Managing Pods
Lab 4	Managing Services
Lab 5	Managing Routes
Lab 6	Application deployment with oc new-app
Lab 7	Injecting configuration data using config maps and secrets
Lab 8	Using OpenShift templates
Lab 9	Using persistent storage
Lab 10	Building application from Dockerfile
Lab 11	Building applications from source code

CentOS 7 minimal is required to deploy this lab environment.

The repsitory includes a Vagrantfile which deploys a VM with the following configuration option:

The VM is customized as follows:

docker and git packages are installed
docker Linux groups is created
the vagrant user is a member of the docker Linux group (this allows to use Docker client under unprivileges user)
OpenShift 3.11 repository is configured
OpenShift client utility is installed
OpebShift cluster is deployed using "oc cluster up"
OpenShift public url is set to openshift.172.24.0.11.nip.io

The host machine can be configured on the following OS:

The following software is required:

The lab environment can be provisioned using Vagrant as follows:

git clone https://github.com/li9com/learn-openshift.git
cd learn-openshift
vagrant up

Once VM is provisioned, you may connect to VM using SSH as follows:

vagrant ssh

Note! You will be connected as the "vagrant" user which is allowed to use sudo to run commands under the root account:

sudo yum install -y epel-release

You may access OpenShift console using the following URL:

https://openshift.172.24.0.11.nip.io:8443/console/

Artemii Kropachev