hack/kube-utils.sh

#!/bin/bash
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getKubeSystemPodStatusConditions() { 
  kubectl get pods $1 -n kube-system -o json | jq '.items[].status.conditions[]'
}

getKubeSystemPodReadyStatus() { 
  echo $(kubectl get pods $1 -n kube-system -o json | jq -r '.items[].status.conditions[] | select(.type == "Ready") | .status') 
}

waitKubeSystemForPodReady() {
  local selector=${1}
  local timeout_time=${2:-60s}

  export -f getKubeSystemPodStatusConditions
  export -f getKubeSystemPodReadyStatus

  echo "Wait for Kube System pod with selector '${selector}' and timeout ${timeout_time}"

  timeout ${timeout_time} bash -c "getKubeSystemPodStatusConditions '${selector}' && while [[ \"$(getKubeSystemPodReadyStatus "${selector}")\" != "True" ]] ; do sleep 2 && getKubeSystemPodStatusConditions '${selector}'; done"
}