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