identity-server

README

identity-server

Identity Server implements a Kubernetes "whoami" service.

Deploy into a Kubernetes Cluster

You can deploy Indentity Server using Helm chart found here.

helm repo add appscode https://charts.appscode.com/stable/
helm repo update

helm install identity-server appscode/identity-server

Usage

$ kubectl create -f https://github.com/kubeshield/identity-server/raw/v0.1.1/artifacts/whoami.yaml --v=8

I0414 10:07:56.932224    7000 request.go:1017] Request Body: {"apiVersion":"identity.kubeshield.io/v1alpha1","kind":"WhoAmI"}
I0414 10:07:56.932282    7000 round_trippers.go:423] curl -k -v -XPOST  -H "Content-Type: application/json" -H "User-Agent: kubectl/v1.17.0 (linux/amd64) kubernetes/70132b0" -H "Accept: application/json" 'https://127.0.0.1:32769/apis/identity.kubeshield.io/v1alpha1/whoamis'
I0414 10:07:56.934299    7000 round_trippers.go:443] POST https://127.0.0.1:32769/apis/identity.kubeshield.io/v1alpha1/whoamis 201 Created in 1 milliseconds
I0414 10:07:56.934320    7000 round_trippers.go:449] Response Headers:
I0414 10:07:56.934329    7000 round_trippers.go:452]     Cache-Control: no-cache, private
I0414 10:07:56.934337    7000 round_trippers.go:452]     Content-Type: application/json
I0414 10:07:56.934342    7000 round_trippers.go:452]     Date: Tue, 14 Apr 2020 17:07:56 GMT
I0414 10:07:56.934348    7000 round_trippers.go:452]     Content-Length: 168
I0414 10:07:56.934375    7000 request.go:1017] Response Body: {"kind":"WhoAmI","apiVersion":"identity.kubeshield.io/v1alpha1","response":{"user":{"username":"kubernetes-admin","groups":["system:masters","system:authenticated"]}}}
whoami.identity.kubeshield.io/<unknown> created

How It Woks

Identity Server is a Kubernetes extended apiserver (EAS). As an EAS, it has access to the user who is making an api call to the "whoami" server. You can find the core of the implementation here.