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54 lines
1.5 KiB
Bash
54 lines
1.5 KiB
Bash
#!/bin/bash
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#
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# Setup for Control Plane (Master) servers
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set -euxo pipefail
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NODENAME=$(hostname -s)
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sudo kubeadm config images pull
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echo "Preflight Check Passed: Downloaded All Required Images"
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sudo kubeadm init --apiserver-advertise-address=$CONTROL_IP --apiserver-cert-extra-sans=$CONTROL_IP --pod-network-cidr=$POD_CIDR --service-cidr=$SERVICE_CIDR --node-name "$NODENAME" --ignore-preflight-errors Swap
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mkdir -p "$HOME"/.kube
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sudo cp -i /etc/kubernetes/admin.conf "$HOME"/.kube/config
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sudo chown "$(id -u)":"$(id -g)" "$HOME"/.kube/config
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# Save Configs to shared /Vagrant location
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# For Vagrant re-runs, check if there is existing configs in the location and delete it for saving new configuration.
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config_path="/vagrant/configs"
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if [ -d $config_path ]; then
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rm -f $config_path/*
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else
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mkdir -p $config_path
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fi
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cp -i /etc/kubernetes/admin.conf $config_path/config
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touch $config_path/join.sh
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chmod +x $config_path/join.sh
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kubeadm token create --print-join-command > $config_path/join.sh
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# Install Calico Network Plugin
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curl https://raw.githubusercontent.com/projectcalico/calico/v${CALICO_VERSION}/manifests/calico.yaml -O
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kubectl apply -f calico.yaml
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sudo -i -u vagrant bash << EOF
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whoami
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mkdir -p /home/vagrant/.kube
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sudo cp -i $config_path/config /home/vagrant/.kube/
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sudo chown 1000:1000 /home/vagrant/.kube/config
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EOF
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# Install Metrics Server
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kubectl apply -f https://raw.githubusercontent.com/techiescamp/kubeadm-scripts/main/manifests/metrics-server.yaml
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