Dump kubernetes certificates

kube_certdump.sh

#!/bin/bash -e

log_info() {
    echo "INFO: $*"
}

log_info "Getting all certificates"
kubectl get certificate --all-namespaces --no-headers | while read cert; do
    namespace=$(echo $cert | awk '{print $1}')
    name=$(echo $cert | awk '{print $2}')
    secret=$(kubectl -n ${namespace} describe certificate ${name} | grep "Secret Name" | cut -d : -f 2 | tr -d ' ')

    log_info "Dumping certificate ${name} with secret ${secret} in namespace ${namespace}"
    kubectl -n ${namespace} get secret ${secret} -o yaml > secret_${namespace}_${secret}.yml
    kubectl -n ${namespace} get certificate ${name} -o yaml > certificate_${namespace}_${name}.yml
done