mirror of
https://github.com/jbowdre/vsphere-k8s.git
synced 2024-11-21 23:52:18 +00:00
69 lines
2 KiB
Bash
69 lines
2 KiB
Bash
#!/bin/bash -eu
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source ./env.txt
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echo ">> Waiting up to 5 minutes for initial control-plane node..."
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attempts_max=30
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attempt=0
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until nc "${K8S_CONTROLPLANE_VIP}" 6443 -w 1 2>/dev/null; do
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if [ ${attempt} -eq ${attempts_max} ]; then
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echo ">> [ERROR] Timeout waiting for control node! <<"
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exit 1
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fi
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attempt=$((attempt+1))
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sleep 10
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done
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echo ">> Continuing after $((attempt*10)) seconds."
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echo ">> Waiting up to 10 minutes for all control-plane nodes..."
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attempts_max=60
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attempt=0
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until curl --fail "http://${K8S_CONTROLPLANE_VIP}:8000/.k8s-controlplane-success" 2>/dev/null; do
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if [ ${attempt} -eq ${attempts_max} ]; then
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echo ">> [ERROR] Timeout waiting for control-plane nodes! <<"
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exit 1
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fi
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attempt=$((attempt+1))
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sleep 10
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done
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echo ">> Continuing after $((attempt*10)) seconds."
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echo ">> Retrieving cluster discovery config..."
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attempts_max=6
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attempt=0
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until [ -f ~/discovery.yaml ] || [ ${attempt} -eq ${attempts_max} ]; do
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wget "http://${K8S_CONTROLPLANE_VIP}:8000/discovery.yaml"
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sleep 2
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if ! [ -f ~/discovery.yaml ]; then
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echo ">> Unable to retrieve config..."
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attempt=$((attempt+1))
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sleep 8
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fi
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done
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if ! [ -f ~/discovery.yaml ]; then
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echo ">> Timeout reached while retrieving config!"
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echo "Exiting."
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exit 1
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fi
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sudo install -o root -g root -m 600 discovery.yaml /etc/kubernetes/discovery.yaml
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echo ">> Successfully discovered cluster!"
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echo ">> Discovered cluster!"
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cat << EOF > kubeadmjoin.yaml
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apiVersion: kubeadm.k8s.io/v1beta3
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caCertPath: /etc/kubernetes/pki/ca.crt
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discovery:
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file:
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kubeConfigPath: /etc/kubernetes/discovery.yaml
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timeout: 5m0s
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tlsBootstrapToken: ${KUBEADM_TOKEN}
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kind: JoinConfiguration
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nodeRegistration:
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kubeletExtraArgs:
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cloud-provider: external
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EOF
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if sudo kubeadm join "${K8S_CONTROLPLANE_VIP}":6443 --config kubeadmjoin.yaml; then
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echo ">> Node ${HOSTNAME} successfully initialized!"
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touch .k8s-node-success
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rm -f env.txt kubeadmjoin.yaml discovery.yaml join-workers.sh
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else
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echo ">> [ERROR] Cluster initialization unsuccessful on ${HOSTNAME}! <<"
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exit 1
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fi
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