To get all Kubernetes images in all namespaces, use the following command:
$ kubectl get pods \
--all-namespaces \
--output jsonpath="{.items[*].spec['initContainers', 'containers'][*].image}" |
sed 's# #\n#g' |
sort -u
This is both useful to see what components are running and what their versions are, as this is listed with the image name, e.g.:
registry.k8s.io/coredns/coredns:v1.13.1
registry.k8s.io/etcd:3.6.6-0
registry.k8s.io/kube-apiserver:v1.35.0
registry.k8s.io/kube-controller-manager:v1.35.0
registry.k8s.io/kube-proxy:v1.35.0
registry.k8s.io/kube-scheduler:v1.35.0
Happy hacking!
