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This tutorial shows some scenarios related to the Cilium and Spire integration. This integration modifies the following components: cilium-agent, cilium-envoy and spire-agent. The image below represents the summary of the actions performed in each of them.

drawing

First steps

Download repository dependencies:

go vendor

Create minikube cluster:

minikube start --network-plugin=cni --memory=4096
minikube ssh -- sudo mount bpffs -t bpf /sys/fs/bpf

Deploy manifest (cilium-control-plane + spire-control-plane + dependencies):

kubectl apply -f cilium.yaml \
              -f spire.yaml

Check the status of the all the pods. The spire-control-plane (spire-agent and spire-server) should be Running as well as the cilium-control-plane.

kubectl get pods -A
NAMESPACE     NAME                               READY   STATUS    RESTARTS   AGE
kube-system   cilium-74m7n                       1/1     Running   0          47s
kube-system   cilium-operator-7c755f4594-2pk77   1/1     Running   0          3m25s
kube-system   cilium-operator-b76f5d644-ccmtc    0/1     Pending   0          51s
kube-system   cilium-operator-b76f5d644-mc5jn    0/1     Pending   0          51s
kube-system   coredns-74ff55c5b-l4jnn            1/1     Running   1          25h
kube-system   etcd-minikube                      1/1     Running   1          25h
kube-system   kube-apiserver-minikube            1/1     Running   1          25h
kube-system   kube-controller-manager-minikube   1/1     Running   1          25h
kube-system   kube-proxy-mggjl                   1/1     Running   1          25h
kube-system   kube-scheduler-minikube            1/1     Running   1          25h
kube-system   storage-provisioner                1/1     Running   2          25h
spire         spire-agent-648qt                  1/1     Running   0          47s
spire         spire-server-0                     1/1     Running   1          23h

After setting the Cilium and Spire integration, follow some scenarios exposed by the next tutorials. All the files related to which scenarios is inside the folder.

Tutorials

References