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README.md

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Introduction

In this repo you will find basic examples to start with Kubernetes. You will fin also basic bash script to install tools like kops and kubectl. A very basic Jenkinsfile pipeline was added if you want to integrate the examples with a ci/cd process.

Content

  • 0-how-to-install-configure: you will find basic bash scripts to install and configure tools like helm, kops. kubectl and others

  • 1-pods-depoloys: examples of pods and deploys

  • 2-ingress: examples of nginx ingress

  • 3-pv-pvc: examples of persistent volumes and persistent volumes claims

  • 4-hpa: example of Horizontal Pod Autoscaler(HPA)

  • 5-cluster-autoscaler: a guide to test cluster autoscaler over AWS.

Kops and kubeconfig

  • after you installed your cluster with kops you can use the kube config file generated to enter to the cluster from another point
  • to manage the cluster from another machine you need:
    • the yaml config file generated by default in ~/.kube/config
    • the name of the cluster and the name of the bucket were kops stored the state of the cluster
bucket_name=bucket-for-kops-2
cluster_name=test.k8s.local
    • se the corresponding environment variables, examples:
export KOPS_CLUSTER_NAME=$cluster_name
export KOPS_STATE_STORE=s3://${bucket_name}
  • use the script set-local-kubectl-config.sh to set locally the access to the k8s cluster with kubectl
$ . set-local-kubectl-config.sh