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RedHat Openshift Origin cluster on Azure

When creating the RedHat Openshift Origin cluster on Azure, you will need an SSH RSA key for access.

SSH Key Generation

  1. Windows - https://www.digitalocean.com/community/tutorials/how-to-create-ssh-keys-with-putty-to-connect-to-a-vps
  2. Linux - https://help.ubuntu.com/community/SSH/OpenSSH/Keys#Generating_RSA_Keys
  3. Mac - https://help.github.com/articles/generating-ssh-keys/#platform-mac

Create the cluster

Create the cluster on the Azure Portal

Create the cluster with powershell

New-AzureRmResourceGroupDeployment -Name <DeploymentName> -ResourceGroupName <RessourceGroupName> -TemplateUri https://raw.githubusercontent.com/derdanu/azure-openshift/master/azuredeploy.json

Create the cluster with azure cli

azure group deployment create <RessourceGroupName> <DeploymentName> --template-uri https://raw.githubusercontent.com/derdanu/azure-openshift/master/azuredeploy.json

Install Openshift Origin with Ansible

After the Azure resources have been deployed by using this ARM template, you must connect via SSH to the jumbox. SSH Agentforwarding is required. The Installation is based on Openshift Ansible. The lastest repository has been checked out on the jumpbox into the directory /opt/openshift-ansible/ and a minimal configuration file was created at /etc/ansible/hosts for Openshift Origin. To start the installation call the following bash script:

Bash or Cygwin Terminal

user@localmachine:~$ eval $(ssh-agent)
user@localmachine:~$ ssh-add
user@localmachine:~$ ssh -A <JumpboxIP>
[adminUsername@jumpbox ~]$ ./openshift-install.sh

Putty on Windows

To login on the jumpbox please refer to the Agent forwarding HowTo for Putty using Pageant.

[adminUsername@jumpbox ~]$ ./openshift-install.sh

Parameters

Input Parameters

Name Type Description
adminUsername String Username for SSH Login and Openshift Webconsole
adminPassword SecureString Password for the Openshift Webconsole
sshKeyData String Public SSH Key for the Virtual Machines
masterDnsName String DNS Prefix for the Openshift Master / Webconsole
image String Operating System to use. RHEL or CentOs
numberOfMasterNodes Integer Number of Openshift master nodes to create (usually either 1 or 3)
masterVMSize String The size of the master nodes
masterVMstorType string premium or standard storage
numberOfinfrasndes Integer Number of Openshift intra nodes to create
infranodeVMSize String The size of the infra nodes
infranodeVMstorType string premium or standard storage
numberOfNodes Integer Number of Openshift Nodes to create
nodeVMSize String The size of each node
nodeVMstorType string premium or standard storage
jumpVMSize String The size of the jumpbox
jumpVMstorType string premium or standard storage

Output Parameters

Name Type Description
openshift Webconsole String URL of the Openshift Webconsole
openshift Jumpbox ssh String SSH String to Login at the Jumpbox
openshift CLI String OC command String to Login
openshift Router Public IP String Router Public IP. Needed if you want to create your own Wildcard DNS

This template deploys a RedHat Openshift Origin cluster on Azure.