Quick Kubernetes Install

Create a cluster

If you don’t have a Kubernetes Cluster yet, you can use the instructions below to create a Kubernetes cluster locally or using a managed Kubernetes service:

• GKE
• AKS
• EKS
• Kind

export NAME="$(whoami)-$RANDOM"
export ZONE="us-west2-a"
gcloud container clusters create "${NAME}" --zone ${ZONE} --num-nodes=1
gcloud container clusters get-credentials "${NAME}" --zone ${ZONE}

export NAME="$(whoami)-$RANDOM"
export AZURE_RESOURCE_GROUP="${NAME}-group"
az group create --name "${AZURE_RESOURCE_GROUP}" -l westus2
az aks create --resource-group "${AZURE_RESOURCE_GROUP}" --name "${NAME}"
az aks get-credentials --resource-group "${AZURE_RESOURCE_GROUP}" --name "${NAME}"

export NAME="$(whoami)-$RANDOM"
eksctl create cluster --name "${NAME}"

cat <<EOF > kind-config.yaml
apiVersion: kind.x-k8s.io/v1alpha4
kind: Cluster
nodes:
  - role: control-plane
    extraMounts:
      - hostPath: /proc
        containerPath: /procHost
EOF
kind create cluster --config kind-config.yaml
EXTRA_HELM_FLAGS=(--set tetragon.hostProcPath=/procHost) # flags for helm install

The commands in this Getting Started guide assume you use a single-node Kubernetes cluster. If you use a cluster with multiple nodes, be aware that some of the commands shown need to be modified. We call out these changes where they are necessary.

Deploy Tetragon

To install and deploy Tetragon, run the following commands:

helm repo add cilium https://helm.cilium.io
helm repo update
helm install tetragon ${EXTRA_HELM_FLAGS[@]} cilium/tetragon -n kube-system
kubectl rollout status -n kube-system ds/tetragon -w

By default, Tetragon will filter kube-system events to reduce noise in the event logs. See concepts and advanced configuration to configure these parameters.

Deploy demo application

To explore Tetragon it is helpful to have a sample workload. Here we use Cilium’s demo application, but any workload would work equally well:

kubectl create -f https://raw.githubusercontent.com/cilium/cilium/v1.15.3/examples/minikube/http-sw-app.yaml

Before going forward, verify that all pods are up and running - it might take several seconds for some pods to satisfy all the dependencies:

kubectl get pods

The output should be similar to this:

NAME                         READY   STATUS    RESTARTS   AGE
deathstar-6c94dcc57b-7pr8c   1/1     Running   0          10s
deathstar-6c94dcc57b-px2vw   1/1     Running   0          10s
tiefighter                   1/1     Running   0          10s
xwing                        1/1     Running   0          10s

What’s Next

Check for execution events.