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103 lines
2.3 KiB
Bash
103 lines
2.3 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 Master"
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kubeadm_join="/vagrant/kubeadm_join.sh"
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pushd /vagrant
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# should already be in the vagrant dir
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if ! [ -f calico.yaml ]; then
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timestamp "Fetching calico.yaml:"
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wget https://docs.projectcalico.org/manifests/calico.yaml
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fi
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echo >&2
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if ! netstat -lnt | grep -q :10248; then
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timestamp "Bootstrapping kubernetes master:"
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echo >&2
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# remove stale old generated join script so kube2 awaits new one
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rm -fv "$kubeadm_join"
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echo >&2
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# kubeadm-config.yml is in vagrant dir mounted at /vagrant
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kubeadm init --node-name "$(hostname -f)" --config=kubeadm-config.yaml --upload-certs | tee /vagrant/logs/kubeadm-init.out # save output for review
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echo >&2
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fi
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kubeadm token list
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echo >&2
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timestamp "Configuring kubectl:"
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mkdir -pv ~/.kube /home/vagrant/.kube /vagrant/.kube
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for kube_config in ~/.kube/config /home/vagrant/.kube/config; do
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if ! [ -f "$kube_config" ]; then
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cp -vf /etc/kubernetes/admin.conf "$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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cp -vf ~/.kube/config /vagrant/.kube/config
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echo >&2
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timestamp "Applying calico.yaml:"
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kubectl apply -f calico.yaml
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echo >&2
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timestamp "K8S Nodes:"
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kubectl get nodes
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echo >&2
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kubectl taint nodes --all node-role.kubernetes.io/master- || :
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echo >&2
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kubectl get nodes
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echo >&2
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kubectl taint nodes --all node.kubernetes.io/not-ready- || :
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echo >&2
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kubectl get nodes
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echo >&2
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timestamp "(re)generating $kubeadm_join for kube2 to use"
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"$bash_tools/kubernetes_join_cmd.sh" > "$kubeadm_join"
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chmod +x "$kubeadm_join"
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} 2>&1 | tee -a "$log"
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