#!/bin/bash
#
# Health checking DLS store, and install cluster's addons

source .common

prereqs_addons() {
  for com in curl kubectl ; do
    command -v $com 1>/dev/null || perror "Command $com is not installed, aborting..."
  done
  cluster=$(basename $ctxdir/clusters/*.yaml|sed 's/.yaml//')
}

install_addons() {
  body='{"Kind":"cluster","Name":"'$cluster'","Assets":["addons"]}'
  download_id=$(dls /authorize-download -d "$body"|tr -d \")
  dls /public/downloads/${download_id}/addons |\
      kubectl --kubeconfig kubeconfig apply -f -
}

approve_kubelet_certificates() {
  tries=5
  nodes_num=$(kctl get node -oname|wc -l)
  while [ "$nodes_num" != "${#hosts[*]}" ] ; do
    pinfo "Waiting for certificates requests to be created by Kubelet when it's ready..."
    sleep 60s
    csrs="$(kctl get csr -oname)"
    if [ "$csrs" != "" ]; then
      kctl certificate approve $csr
    fi
    ((tries--))
    if [ $tries < 1 ]; then
      pinfo "Timeout waiting for kubelet certificates creation, please investigate why all nodes are not up by now"
      break
    fi
  done
  pinfo "All kubelets ($nodes_num) are up, enjoy !"
}

prereqs
prereqs_addons
check_conf
unlock_store
install_addons

declare -A hosts
get_hosts # get hosts list
approve_kubelet_certificates # clients and serving certs