#!/usr/bin/env bash
# vim:ts=4:sts=4:sw=4:et
#
# Author: Hari Sekhon
# Date: 2020-08-14 13:16:04 +0100 (Fri, 14 Aug 2020)
#
# https://github.com/harisekhon/bash-tools
#
# License: see accompanying Hari Sekhon LICENSE file
#
# If you're using my code you're welcome to connect with me on LinkedIn and optionally send me feedback to help steer this or other code I publish
#
# https://www.linkedin.com/in/harisekhon
#
set -euo pipefail
[ -n " ${ DEBUG :- } " ] && set -x
# has to be before brace to set up logging path and logfile name
mkdir -pv /vagrant/logs
name = " ${ 0 ##*/ } "
log = " /vagrant/logs/ ${ name %.sh } .log "
{
bash_tools = "/bash-tools"
# shellcheck disable=SC1090
source " $bash_tools /lib/utils.sh "
section "Running Vagrant Shell Provisioner Script - Kube2"
echo >& 2
pushd /vagrant
kubeadm_join = "/vagrant/kubeadm_join.sh"
if ! netstat -lnt | grep -q :10248; then
timestamp "Bootstrapping kubernetes worker:"
echo >& 2
# happens after kube1 anyway
#timestamp "waiting for 15 secs to give kube1 time to provision"
#sleep 15
timestamp " Waiting for kube1 to bootstrap and generate kubectl join command at $kubeadm_join "
SECONDS = 0
while ! [ -f " $kubeadm_join " ] ; do
if [ $SECONDS -gt 600 ] ; then
timestamp " ERROR: max wait time for $kubeadm_join to appear exceeded, aborting worker node join. Check provisioner run on kube1 has generated $kubeadm_join or re-run provisioner "
exit 1
fi
sleep 1
done
echo >& 2
# doesn't error out if already joined
timestamp " Running $kubeadm_join "
chmod +x " $kubeadm_join "
" $kubeadm_join "
echo >& 2
fi
timestamp "Configuring kubectl:"
mkdir -pv ~/.kube /home/vagrant/.kube
for kube_config in ~/.kube/config /home/vagrant/.kube/config; do
if ! [ -f " $kube_config " ] ; then
cp -vf /vagrant/.kube/config " $kube_config "
fi
done
chown -v " $( id -u) : $( id -g) " ~/.kube/config
chown -v vagrant:vagrant /home/vagrant/.kube/config
echo >& 2
timestamp "Kubernetes Nodes:"
kubectl get nodes
} 2>& 1 | tee -a " $log "