kubectl-evict.sh

kubectl-evict.sh

evict_pod () {
  local ns="$1" pod="$2"
  local rv
  rv=$(
    kubectl get pod -n "${ns}" "${pod}" --no-headers \
      -o custom-columns=:metadata.resourceVersion
  )

  # NOTE: apiVersion becomes "policy/v1" from k8s v1.22
  kubectl create -f - <<EOF --raw /api/v1/namespaces/"${ns}"/pods/"${pod}"/eviction
{
  "apiVersion": "policy/v1beta1",
  "kind": "Eviction",
  "metadata": {
    "name": "${pod}"
  },
  "deleteOptions": {
    "preconditions": {
      "resourceVersion": "${rv}"
    }
  }
}
EOF
}