June 16, 2016
The RedHat Container Developer Kit allows you to deploy OpenShift on your laptop for easier testing and development. Here is how to deploy it.
Register as a RedHat Developer
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Place credentials in
~/.vagrant.d/Vagrantfileto enable updates for VMs by automatically registering with RedHat Subscription Manager
Vagrant.configure('2') do |config|
config.registration.username = '<your Red Hat username>'
config.registration.password = '<your Red Hat password>'
end
Mac OS X Prereqs
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Install pre-reqs:
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Download the Vagrant Box from here to
~/Downloads
RedHat Container Developer Kit Setup
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Download Red Hat Container Developer Kit
cdk-2.0.0.zipfrom here and unzip to~/cdk. -
Follow the Install Docs to:
- Install vagrant plugins
cd ~/cdk/plugins vagrant plugin install *.gem- Import the vagrant box to
~/.vagrant.d/boxes/
vagrant box add --name cdkv2 ~/Downloads/rhel-cdk-kubernetes-7.2*.x86_64.vagrant-virtualbox.box- Remove
~/Downloads/rhel-cdk-kubernetes-7.2*.x86_64.vagrant-virtualbox.box
Getting Started
- Start CDK and print helpful environment info
cd ~/cdk/components/rhel/rhel-ose/
vagrant up
vagrant provision
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Access the console at https://10.1.2.2:8443/console using a credential below:
- User: openshift-dev Pass: devel
- User: admin Pass: admin
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If you forget where to find the console vagrant can remind you
cd ~/cdk/components/rhel/rhel-ose/
vagrant service-manager env openshift
- Curl the sample app that ships in the CDK
curl http://helloflask-sample-project.rhel-cdk.10.1.2.2.xip.io/api
How the heck did that work?! Checkout xip.io.
- SSH to your openshift VM and list the openshift images
cd ~/cdk/components/rhel/rhel-ose/
vagrant ssh
[vagrant@rhel-cdk ~]$ docker search registry.access.redhat.com/openshift3
INDEX NAME DESCRIPTION STARS OFFICIAL AUTOMATED
redhat.com registry.access.redhat.com/openshift3/image-inspector Image Inspector can extract the RPM compos... 0
redhat.com registry.access.redhat.com/openshift3/jenkins-1-rhel7 Jenkins image which can be used to set up ... 0
redhat.com registry.access.redhat.com/openshift3/logging-auth-proxy Container used to enable authorization and... 0
...
- Try each of these
$ docker search registry.access.redhat.com/rhscl
$ docker search registry.access.redhat.com/openshift3
$ docker search registry.access.redhat.com/rhel
$ docker search registry.access.redhat.com/jboss
Neat hu?
Updating CDK
CDK 2.1 is out now with OpenShift Enterprise 3.2. Let’s update!
- Download Red Hat Container Developer Kit
cdk-2.1.0.zipfrom here and unzip to~/cdk-2.1.
mv ~/cdk ~/cdk-2.0
ln -s ~/cdk-2.1 ~/cdk
- Update Vagrant Plugins
$ cd ~/cdk/plugins
$ vagrant plugin list
landrush (0.15.3)
vagrant-dnsmasq (0.1.1)
vagrant-hostmanager (1.6.0)
vagrant-registration (1.2.1)
- Version Constraint: 1.2.1
vagrant-service-manager (1.0.1)
- Version Constraint: 1.0.1
vagrant-share (1.1.4, system)
vagrant-sshfs (1.1.0)
- Version Constraint: 1.1.0
$ ls *gem
vagrant-registration-1.2.2.gem vagrant-service-manager-1.1.0.gem vagrant-sshfs-1.1.0.gem
$ vagrant plugin install vagrant-registration-1.2.2.gem
Installing the 'vagrant-registration-1.2.2.gem' plugin. This can take a few minutes...
Installed the plugin 'vagrant-registration (1.2.2)'!
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Download the latest Red Hat Enterprise Linux 7.2 Vagrant box for VirtualBox
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Update the vagrant box This will replace your current environment, so modify if you with to keep the 2.0 environment around!
$ vagrant box add --force --name cdkv2 rhel-cdk-kubernetes-7.2*.x86_64.vagrant-virtualbox.box
Now go back to Getting Started and fire up your new CDK 2.1 VM.
More Info
Check out my post on deploying metrics to CDK.