Integrate OpenShift and Eclipse Che for faster development
Recent: Red Hat was invited to be part of Eclipse Che keynote at EclipseCon 2016 and Pete Muir gave a quick look at working with OpenShift and Eclipse Che.
When we create software today, we often hit a brick wall and waste many hours because creating copies of another system is far too hard. We create copies for many reasons – a few common examples are: replicating production issues; asking another developer for help; running test suites; copying the runtime (e.g. app server, web server, LAMP stack…); copying the development workspace; and sometimes both.
Linux containers provide the necessary encapsulation for both our application and its environment, giving us the ability to easily copy the runtime – something we have never had before. The concept of universal workspaces, championed by Eclipse Che, gives us the ability to easily replicate and distribute the entire development workspace. Red Hat and Codenvy have integrated Eclipse Che with OpenShift, providing an easy way to copy both our runtime, and our development workspace.
OpenShift 3 provides developers with a self-service platform for provisioning, building, and deploying containerized applications, while Eclipse Che provides universal workspaces which are on-demand, collaborative, and standardized; this includes both a workspace server and an integrated browser based IDE.
When you open Eclipse Che, you can start coding from scratch or import your code from a git repo. The OpenShift menu within Che provides all the necessary tools needed to interact with the PaaS environment from within the IDE. Once you have authenticated with OpenShift, you are presented with the New Application dialog. Here you simply specify the OpenShift project name and the image to deploy.
There are many reasons to make re-deploy a running application. Most of us will deploy our app, go look at it, realize something missing, and need to make a change. This happens all the time when you create software and if you don’t catch the mistake in when coding or in test then you have a real problem.
Normally it would take a lot of time, process, and headaches to get a change pushed to prod. But no longer. Fix your mistake and commit and push the change. Then just tell OpenShift to start the build. OpenShift will pull in the latest commit and rebuild the image with your fix in place.
While that may feel like a breath of fresh air to devs (and ops!), we can automate deployment further. What if we could get OpenShift to deploy as soon we push our changes – this is where the real magic happens. Eclipse Che provides the web hooks needed that can be added to your Github repo, and with your repo configured, OpenShift automatically deploys whenever you push.
What would a Cloud deployment be without scaling? Not only can you deploy from Che but you can also add new pods to scale up or remove pods to scale down.
In summary, OpenShift and Eclipse Che offer you the ability create reproducible, consistent, and powerful environments and workspaces. Together, they make a potent combination that has the opportunity to revolutionize the way we create and run software.
This blog was also posted on blog.codenvy.com.