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update script logic

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This commit is contained in:
John Bowdre 2022-12-20 08:26:06 -06:00
parent 87b627ebcb
commit 17a27d0570
2 changed files with 30 additions and 18 deletions
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30
terraform/scripts/initialize-controlplane.sh
View file

@ -1,7 +1,8 @@
#!/bin/bash -eu #!/bin/bash -eu
source ./env.txt source ./env.txt
if [ ! -f /etc/kubernetes/manifests/kube-vip.yaml ]; then if [ "${HOSTNAME}" == "${K8S_INITIAL_NODE}" ]; then
if [ ! -f /etc/kubernetes/manifests/kube-vip.yaml ]; then
echo ">> Configuring kube-vip..." echo ">> Configuring kube-vip..."
sudo ctr image pull ghcr.io/kube-vip/kube-vip:"${KUBEVIP_VER}" sudo ctr image pull ghcr.io/kube-vip/kube-vip:"${KUBEVIP_VER}"
sudo ctr run --rm --net-host ghcr.io/kube-vip/kube-vip:"${KUBEVIP_VER}" vip /kube-vip manifest pod \ sudo ctr run --rm --net-host ghcr.io/kube-vip/kube-vip:"${KUBEVIP_VER}" vip /kube-vip manifest pod \
@ -10,9 +11,7 @@ if [ ! -f /etc/kubernetes/manifests/kube-vip.yaml ]; then
--controlplane \ --controlplane \
--arp \ --arp \
--leaderElection | sudo tee /etc/kubernetes/manifests/kube-vip.yaml --leaderElection | sudo tee /etc/kubernetes/manifests/kube-vip.yaml
fi fi
if [ "${HOSTNAME}" == "${K8S_INITIAL_NODE}" ]; then
if ! kubectl get nodes 2>/dev/null; then if ! kubectl get nodes 2>/dev/null; then
echo ">> Bootstrapping first controlplane node..." echo ">> Bootstrapping first controlplane node..."
cat << EOF > kubeadminit.yaml cat << EOF > kubeadminit.yaml
@ -57,14 +56,14 @@ EOF
echo ">> Creating discovery config..." echo ">> Creating discovery config..."
kubectl -n kube-public get configmap cluster-info -o jsonpath='{.data.kubeconfig}' > discovery.yaml kubectl -n kube-public get configmap cluster-info -o jsonpath='{.data.kubeconfig}' > discovery.yaml
sudo install -o root -g root -m 600 discovery.yaml /etc/kubernetes/discovery.yaml sudo install -m 600 discovery.yaml /etc/kubernetes/discovery.yaml
else else
echo ">> [ERROR] Cluster initialization unsuccessful on ${HOSTNAME}! <<" echo ">> [ERROR] Cluster initialization unsuccessful on ${HOSTNAME}! <<"
exit 1 exit 1
fi fi
fi fi
echo ">> Waiting up to 10 minutes for all control-plane nodes to be Ready..." echo ">> Waiting up to 10 minutes for all control-plane nodes to be Ready..."
python3 -m http.server & python3 -m http.server 2>/dev/null &
PROC_ID=$! PROC_ID=$!
attempts_max=60 attempts_max=60
attempt=0 attempt=0
@ -388,8 +387,11 @@ else
attempt=0 attempt=0
until [ -f /etc/kubernetes/discovery.yaml ]; do until [ -f /etc/kubernetes/discovery.yaml ]; do
wget "http://${K8S_CONTROLPLANE_VIP}:8000/discovery.yaml" 2>/dev/null wget "http://${K8S_CONTROLPLANE_VIP}:8000/discovery.yaml" 2>/dev/null
sudo install -o root -g root -m 600 discovery.yaml /etc/kubernetes/discovery.yaml 2>/dev/null if ! sudo install -m 600 discovery.yaml /etc/kubernetes/discovery.yaml 2>/dev/null; then
if [ ! -f /etc/kubernetes/discovery.yaml ]; then if [ ${attempt} -eq ${attempts_max} ]; then
echo ">> [ERROR] Timeout waiting for discovery.yaml! <<"
exit 1
fi
attempt=$((attempt+1)) attempt=$((attempt+1))
sleep 10 sleep 10
fi fi
@ -409,7 +411,17 @@ nodeRegistration:
controlPlane: controlPlane:
certificateKey: ${KUBEADM_CERTKEY} certificateKey: ${KUBEADM_CERTKEY}
EOF EOF
if sudo kubeadm join "${K8S_CONTROLPLANE_VIP}":6443 --config kubeadmjoin.yaml; then if sudo kubeadm join "${K8S_CONTROLPLANE_VIP}:6443" --config kubeadmjoin.yaml; then
if [ ! -f /etc/kubernetes/manifests/kube-vip.yaml ]; then
echo ">> Configuring kube-vip..."
sudo ctr image pull ghcr.io/kube-vip/kube-vip:"${KUBEVIP_VER}"
sudo ctr run --rm --net-host ghcr.io/kube-vip/kube-vip:"${KUBEVIP_VER}" vip /kube-vip manifest pod \
--interface ens192 \
--vip "${K8S_CONTROLPLANE_VIP}" \
--controlplane \
--arp \
--leaderElection | sudo tee /etc/kubernetes/manifests/kube-vip.yaml
fi
echo ">> Node ${HOSTNAME} successfully initialized!" echo ">> Node ${HOSTNAME} successfully initialized!"
touch .k8s-node-success touch .k8s-node-success
mkdir -p "${HOME}"/.kube mkdir -p "${HOME}"/.kube

4
terraform/scripts/join-workers.sh
View file

@ -17,7 +17,7 @@ echo ">> Continuing after $((attempt*10)) seconds."
echo ">> Waiting up to 10 minutes for all control-plane nodes..." echo ">> Waiting up to 10 minutes for all control-plane nodes..."
attempts_max=60 attempts_max=60
attempt=0 attempt=0
until "$(wget http://${K8S_CONTROLPLANE_VIP}:8000/.k8s-controlplane-success)" 2>/dev/null; do until wget "http://${K8S_CONTROLPLANE_VIP}:8000/.k8s-controlplane-success" 2>/dev/null; do
if [ ${attempt} -eq ${attempts_max} ]; then if [ ${attempt} -eq ${attempts_max} ]; then
echo ">> [ERROR] Timeout waiting for control-plane nodes! <<" echo ">> [ERROR] Timeout waiting for control-plane nodes! <<"
exit 1 exit 1
@ -31,7 +31,7 @@ attempts_max=6
attempt=0 attempt=0
until [ -f /etc/kubernetes/discovery.yaml ]; do until [ -f /etc/kubernetes/discovery.yaml ]; do
wget "http://${K8S_CONTROLPLANE_VIP}:8000/discovery.yaml" 2>/dev/null wget "http://${K8S_CONTROLPLANE_VIP}:8000/discovery.yaml" 2>/dev/null
sudo install -o root -g root -m 600 discovery.yaml /etc/kubernetes/discovery.yaml 2>/dev/null sudo install -m 600 discovery.yaml /etc/kubernetes/discovery.yaml 2>/dev/null
if [ ! -f /etc/kubernetes/discovery.yaml ]; then if [ ! -f /etc/kubernetes/discovery.yaml ]; then
attempt=$((attempt+1)) attempt=$((attempt+1))
sleep 10 sleep 10