sys_wait_for_k8s_object.sh

sys_wait_for_k8s_object.sh

# purpse: wait for k8s objects to be ready
# author: icy
# license: mit
# usage 1: sys_wait_for_k8s_object pods
# usage 2: sys_wait_for_k8s_object services
sys_wait_for_k8s_object() {
  kind="$1"
  set +xe
  echo -n ":: Wating for the $kind: "
  retries=180
  while (( retries )); do
    kubectl get "$kind" --all-namespaces \
    | grep -qsEie "(0/[1-9])|(pending)|(creating)|(init)|(error)|(ImagePullBackOff)|(ErrImagePull)|(CrashLoopBackOff)"
    if [[ $? -ge 1 ]]; then
      break
    fi
    echo -n "[$retries]"
    sleep 1s
    (( retries -- ))
  done || true
  echo
  set -xe
  kubectl get "$kind" --all-namespaces
}