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finalize_setup.sh
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finalize_setup.sh
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#!/bin/bash
set +x
echo "🎬 Finalizing setup..."
vip="10.0.0.30"
sshpath="./.ssh/id_rsa"
kubeconfpath=$(pwd)/kubeconfig
echo "⚙️ Pulling kubeconfig from $vip using ssh key at $sshpath"
k3sup install --skip-install --user root --ip $vip --ssh-key $sshpath > /dev/null
if [[ -f $kubeconfpath ]]
then
echo "✅ Kubeconfig pulled to $kubeconfpath"
else
echo "❌ Could not fetch Kubeconfig. Ensure Load balancer (VIP) or Control-plane is reachable at $vip through SSH (Port 22)"
return 1
fi
echo "🎨 Tainting Control-plane nodes to disable Pod scheduling..."
controlplanes=( $(vagrant status | grep -i master | awk -F " " '{print $1}') )
echo "🤖 Detected Control-plane nodes: $controlplanes"
for name in "${controlplanes[@]}"
do
echo "👩🎨 Tainting $name"
kubectl taint --overwrite node $name node-role.kubernetes.io/master=true:NoSchedule --kubeconfig $kubeconfpath
done
echo "✅ Tanting done."
echo "\n"
export KUBECONFIG=$(pwd)/kubeconfig
echo "⚙️ KUBECONFIG exported to: $(pwd)/kubeconfig"
echo "\n"
echo "🤙 Test your setup by running:"
echo "Command: \$ kubectl get nodes"
echo "Expected output:"
echo "NAME STATUS ROLES AGE VERSION
kubemaster1 Ready control-plane,etcd,master 79m v1.21.0+k3s1
kubemaster2 Ready control-plane,etcd,master 77m v1.21.0+k3s1
kubenode1 Ready <none> 75m v1.21.0+k3s1"
echo "\n"
echo "Or by running:"
echo "Command: \$ curl $vip"
echo "Expected output:"
echo "<html>
<head><title>404 Not Found</title></head>
<body>
<center><h1>404 Not Found</h1></center>
<hr><center>nginx</center>
</body>
</html>"
echo "\n"
echo "💔 Troubleshooting:"
echo "😓 If you get an error similar to"
echo " >> The connection to the server 127.0.0.1:58123 was refused - did you specify the right host or port?"
echo "🤔 Try sourcing this script instead of executing it:"
echo "Command: "
echo " \$ source ./finalize_setup.sh"
echo "\n"
echo "🚀 Ready to launch!"