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KubeArmor: Deployment Guide

Deployment Steps for KubeArmor & kArmor CLI

1. Download and install karmor CLI

curl -sfL | sudo sh -s -- -b /usr/local/bin

2. Install KubeArmor

karmor install
It is assumed that the k8s cluster is already present/reachable and the user has rights to create service-accounts and cluster-role-bindings.

3. Deploying sample app and policies

a. Deploy sample multiubuntu app

kubectl apply -f

b. Deploy sample policies

kubectl apply -f
This sample policy blocks execution of sleep command in ubuntu-1 pods.

c. Simulate policy violation

$ kubectl -n multiubuntu exec -it POD_NAME_FOR_UBUNTU_1 -- bash
# sleep 1
(Permission Denied)
Substitute POD_NAME_FOR_UBUNTU_1 with the actual pod name from kubectl get pods -n multiubuntu.

4. Getting Alerts/Telemetry from KubeArmor

a. Enable port-forwarding for KubeArmor relay

kubectl port-forward -n kube-system svc/kubearmor 32767:32767

b. Observing logs using karmor cli

karmor log

K8s platforms tested

  1. Google Kubernetes Engine (GKE) Container Optimized OS (COS)
  2. GKE Ubuntu image
  3. Amazon Elastic Kubernetes Service (EKS)
  4. Self-managed (on-prem) k8s
  5. Local k8s engines (microk8s, k3s, minikube)
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