Gossip-based Kubernetes Cluster on AWS using Kops

Creating a Kubernetes cluster using Kops requires a top-level domain or a sub domain and setting up Route 53 hosted zones. This domain allows the worker nodes to discover the master and the master to discover all the etcd servers. This is also needed for kubectl to be able to talk directly with the master. This worked well but an additional hassle for the developers.

Kubernetes Logo

Kops 1.6.2 adds an experimental support for gossip-based, uses Weave Mesh, discovery of nodes. This makes the process of setting up Kubernetes cluster using Kops DNS-free, and much more simplified.

Let’s take a look!

  1. Install or upgrade kops:
  2. Check the version:
  3. Create an S3 bucket as “state store”:
  4. Create a Kubernetes cluster:
    It shows the output as:
    Wait for a few minutes for the cluster to be created.
  5. Validate the cluster:
  6. Get the list of nodes using kubectl:
  7. Deleting a cluster is pretty straight forward as well:

That’s it!

github.com/arun-gupta/kubernetes-java-sample provide several examples of getting started with Kubernetes.

File issues at github.com/kubernetes/kops/issues.

 

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19 thoughts on “Gossip-based Kubernetes Cluster on AWS using Kops

  1. I’m trying this, but not seeing a master come up, just two nodes. Have you seen this?

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