Dump Kubernetes cluster resources as YAML

kubedump.sh

#!/usr/bin/env bash

set -e

NAMESPACES=$(kubectl --kubeconfig $1 get -o json namespaces|jq '.items[].metadata.name'|sed "s/\"//g")
RESOURCES="configmap secret daemonset deployment service hpa"

for ns in ${NAMESPACES};do
  for resource in ${RESOURCES};do
    rsrcs=$(kubectl --kubeconfig $1 -n ${ns} get -o json ${resource}|jq '.items[].metadata.name'|sed "s/\"//g")
    for r in ${rsrcs};do
      dir="manifests/${ns}/${resource}"
      mkdir -p "${dir}"
      kubectl --kubeconfig $1 -n ${ns} get -o yaml ${resource} ${r} > "${dir}/${r}.yaml"
    done
  done
done