mirror of
https://github.com/JamesTurland/JimsGarage.git
synced 2024-11-22 16:00:19 +00:00
234 lines
9.4 KiB
Bash
234 lines
9.4 KiB
Bash
#!/bin/bash
|
|
|
|
echo -e " \033[33;5m __ _ _ ___ \033[0m"
|
|
echo -e " \033[33;5m \ \(_)_ __ ___( )__ / _ \__ _ _ __ __ _ __ _ ___ \033[0m"
|
|
echo -e " \033[33;5m \ \ | '_ \` _ \/ __| / /_\/ _\` | '__/ _\` |/ _\` |/ _ \ \033[0m"
|
|
echo -e " \033[33;5m /\_/ / | | | | | \__ \ / /_\\ (_| | | | (_| | (_| | __/ \033[0m"
|
|
echo -e " \033[33;5m \___/|_|_| |_| |_|___/ \____/\__,_|_| \__,_|\__, |\___| \033[0m"
|
|
echo -e " \033[33;5m |___/ \033[0m"
|
|
|
|
echo -e " \033[36;5m ___ _ _____ ___ \033[0m"
|
|
echo -e " \033[36;5m | _ \ |/ / __|_ ) \033[0m"
|
|
echo -e " \033[36;5m | / ' <| _| / / \033[0m"
|
|
echo -e " \033[36;5m |_|_\_|\_\___/___| \033[0m"
|
|
echo -e " \033[36;5m \033[0m"
|
|
echo -e " \033[32;5m https://youtube.com/@jims-garage \033[0m"
|
|
echo -e " \033[32;5m \033[0m"
|
|
|
|
|
|
#############################################
|
|
# YOU SHOULD ONLY NEED TO EDIT THIS SECTION #
|
|
#############################################
|
|
|
|
# Version of Kube-VIP to deploy
|
|
KVVERSION="v0.6.3"
|
|
|
|
# Set the IP addresses of the admin, masters, and workers nodes
|
|
admin=192.168.3.5
|
|
master1=192.168.3.21
|
|
master2=192.168.3.22
|
|
master3=192.168.3.23
|
|
worker1=192.168.3.24
|
|
worker2=192.168.3.25
|
|
|
|
# User of remote machines
|
|
user=ubuntu
|
|
|
|
# Interface used on remotes
|
|
interface=eth0
|
|
|
|
# Set the virtual IP address (VIP)
|
|
vip=192.168.3.50
|
|
|
|
# Array of all master nodes
|
|
allmasters=($master1 $master2 $master3)
|
|
|
|
# Array of master nodes
|
|
masters=($master2 $master3)
|
|
|
|
# Array of worker nodes
|
|
workers=($worker1 $worker2)
|
|
|
|
# Array of all
|
|
all=($master1 $master2 $master3 $worker1 $worker2)
|
|
|
|
# Array of all minus master1
|
|
allnomaster1=($master2 $master3 $worker1 $worker2)
|
|
|
|
#Loadbalancer IP range
|
|
lbrange=192.168.3.60-192.168.3.80
|
|
|
|
#ssh certificate name variable
|
|
certName=id_rsa
|
|
|
|
#############################################
|
|
# DO NOT EDIT BELOW #
|
|
#############################################
|
|
# For testing purposes - in case time is wrong due to VM snapshots
|
|
sudo timedatectl set-ntp off
|
|
sudo timedatectl set-ntp on
|
|
|
|
# Move SSH certs to ~/.ssh and change permissions
|
|
cp /home/$user/{$certName,$certName.pub} /home/$user/.ssh
|
|
chmod 600 /home/$user/.ssh/$certName
|
|
chmod 644 /home/$user/.ssh/$certName.pub
|
|
|
|
# Install Kubectl if not already present
|
|
if ! command -v kubectl version &> /dev/null
|
|
then
|
|
echo -e " \033[31;5mKubectl not found, installing\033[0m"
|
|
curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
|
|
sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl
|
|
else
|
|
echo -e " \033[32;5mKubectl already installed\033[0m"
|
|
fi
|
|
|
|
# Create SSH Config file to ignore checking (don't use in production!)
|
|
echo "StrictHostKeyChecking no" > ~/.ssh/config
|
|
|
|
#add ssh keys for all nodes
|
|
for node in "${all[@]}"; do
|
|
ssh-copy-id $user@$node
|
|
done
|
|
|
|
# Step 1: Create Kube VIP
|
|
# create RKE2's self-installing manifest dir
|
|
sudo mkdir -p /var/lib/rancher/rke2/server/manifests
|
|
# Install the kube-vip deployment into rke2's self-installing manifest folder
|
|
curl -sL https://raw.githubusercontent.com/JamesTurland/JimsGarage/main/Kubernetes/RKE2/k3s | vipAddress=$vip vipInterface=$interface sh | sudo tee /var/lib/rancher/rke2/server/manifests/kube-vip.yaml
|
|
# Find/Replace all k3s entries to represent rke2
|
|
sudo sed -i 's/k3s/rke2/g' /var/lib/rancher/rke2/server/manifests/kube-vip.yaml
|
|
# copy kube-vip.yaml to home directory
|
|
sudo cp /var/lib/rancher/rke2/server/manifests/kube-vip.yaml ~/kube-vip.yaml
|
|
# change owner
|
|
sudo chown $user:$user kube-vip.yaml
|
|
# make kube folder to run kubectl later
|
|
mkdir ~/.kube
|
|
|
|
# create the rke2 config file
|
|
sudo mkdir -p /etc/rancher/rke2
|
|
touch config.yaml
|
|
echo "tls-san:" >> config.yaml
|
|
echo " - $vip" >> config.yaml
|
|
# copy config.yaml to rancher directory
|
|
sudo cp ~/config.yaml /etc/rancher/rke2/config.yaml
|
|
|
|
# update path with rke2-binaries
|
|
echo 'export KUBECONFIG=/etc/rancher/rke2/rke2.yaml' >> ~/.bashrc ; echo 'export PATH=${PATH}:/var/lib/rancher/rke2/bin' >> ~/.bashrc ; echo 'alias k=kubectl' >> ~/.bashrc ; source ~/.bashrc ;
|
|
|
|
# Step 2: Copy kube-vip.yaml and certs to all masters
|
|
for newnode in "${allmasters[@]}"; do
|
|
scp -i ~/.ssh/$certName $HOME/kube-vip.yaml $user@$newnode:~/kube-vip.yaml
|
|
scp -i ~/.ssh/$certName $HOME/config.yaml $user@$newnode:~/config.yaml
|
|
scp -i ~/.ssh/$certName ~/.ssh/{$certName,$certName.pub} $user@$newnode:~/.ssh
|
|
echo -e " \033[32;5mCopied successfully!\033[0m"
|
|
done
|
|
|
|
# Step 3: Connect to Master1 and move kube-vip.yaml and config.yaml. Then install RKE2, copy token back to admin machine. We then use the token to bootstrap additional masternodes
|
|
ssh -tt $user@$master1 -i ~/.ssh/$certName sudo su <<EOF
|
|
mkdir -p /var/lib/rancher/rke2/server/manifests
|
|
mv kube-vip.yaml /var/lib/rancher/rke2/server/manifests/kube-vip.yaml
|
|
mkdir -p /etc/rancher/rke2
|
|
mv config.yaml /etc/rancher/rke2/config.yaml
|
|
echo 'export KUBECONFIG=/etc/rancher/rke2/rke2.yaml' >> ~/.bashrc ; echo 'export PATH=${PATH}:/var/lib/rancher/rke2/bin' >> ~/.bashrc ; echo 'alias k=kubectl' >> ~/.bashrc ; source ~/.bashrc ;
|
|
curl -sfL https://get.rke2.io | sh -
|
|
systemctl enable rke2-server.service
|
|
systemctl start rke2-server.service
|
|
echo "StrictHostKeyChecking no" > ~/.ssh/config
|
|
ssh-copy-id -i /home/$user/.ssh/$certName $user@$admin
|
|
scp -i /home/$user/.ssh/$certName /var/lib/rancher/rke2/server/token $user@$admin:~/token
|
|
scp -i /home/$user/.ssh/$certName /etc/rancher/rke2/rke2.yaml $user@$admin:~/.kube/rke2.yaml
|
|
kubectl apply -f https://kube-vip.io/manifests/rbac.yaml
|
|
exit
|
|
EOF
|
|
echo -e " \033[32;5mMaster1 Completed\033[0m"
|
|
|
|
# Step 4: Install kube-vip as network LoadBalancer - Install the kube-vip Cloud Provider
|
|
kubectl apply -f https://raw.githubusercontent.com/kube-vip/kube-vip-cloud-provider/main/manifest/kube-vip-cloud-controller.yaml
|
|
#IP range for loadbalancer services to use
|
|
kubectl create configmap -n kube-system kubevip --from-literal range-global=$lbrange
|
|
|
|
# Step 5: Set variable to the token we just extracted, set kube config location
|
|
token=`cat token`
|
|
sudo cat ~/.kube/rke2.yaml | sed 's/127.0.0.1/'$vip'/g' > $HOME/.kube/config
|
|
sudo chown $(id -u):$(id -g) $HOME/.kube/config
|
|
export KUBECONFIG=${HOME}/.kube/config
|
|
sudo cp ~/.kube/config /etc/rancher/rke2/rke2.yaml
|
|
kubectl get nodes
|
|
|
|
# Step 6: Add other Masternodes, note we import the token we extracted from step 3
|
|
for newnode in "${masters[@]}"; do
|
|
ssh -tt $user@$newnode -i ~/.ssh/$certName sudo su <<EOF
|
|
mkdir -p /etc/rancher/rke2
|
|
touch /etc/rancher/rke2/config.yaml
|
|
echo "token: $token" >> /etc/rancher/rke2/config.yaml
|
|
echo "server: https://$master1:9345" >> /etc/rancher/rke2/config.yaml
|
|
echo "tls-san:" >> /etc/rancher/rke2/config.yaml
|
|
echo " - $vip" >> /etc/rancher/rke2/config.yaml
|
|
curl -sfL https://get.rke2.io | sh -
|
|
systemctl enable rke2-server.service
|
|
systemctl start rke2-server.service
|
|
exit
|
|
EOF
|
|
echo -e " \033[32;5mMaster node joined successfully!\033[0m"
|
|
done
|
|
|
|
# Step 7: Add Workers
|
|
for newnode in "${workers[@]}"; do
|
|
ssh -tt $user@$newnode -i ~/.ssh/$certName sudo su <<EOF
|
|
mkdir -p /etc/rancher/rke2
|
|
touch /etc/rancher/rke2/config.yaml
|
|
echo "token: $token" >> /etc/rancher/rke2/config.yaml
|
|
echo "server: https://$vip:9345" >> /etc/rancher/rke2/config.yaml
|
|
curl -sfL https://get.rke2.io | INSTALL_RKE2_TYPE="agent" sh -
|
|
systemctl enable rke2-agent.service
|
|
systemctl start rke2-agent.service
|
|
exit
|
|
EOF
|
|
echo -e " \033[32;5mMaster node joined successfully!\033[0m"
|
|
done
|
|
|
|
#Step 8: Setup Kube-VIP as LoadBalancer
|
|
#IP range for loadbalancer services to use
|
|
kubectl create configmap -n kube-system kubevip --from-literal range-global=$lbrange
|
|
|
|
# Step 9: Install Rancher (Optional - Delete if not required)
|
|
#Install Helm
|
|
curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
|
|
chmod 700 get_helm.sh
|
|
./get_helm.sh
|
|
|
|
# Add Rancher Helm Repo & create namespace
|
|
helm repo add rancher-latest https://releases.rancher.com/server-charts/latest
|
|
kubectl create namespace cattle-system
|
|
|
|
# Install Cert-Manager
|
|
kubectl apply -f https://github.com/cert-manager/cert-manager/releases/download/v1.11.0/cert-manager.crds.yaml
|
|
helm repo add jetstack https://charts.jetstack.io
|
|
helm repo update
|
|
helm install cert-manager jetstack/cert-manager \
|
|
--namespace cert-manager \
|
|
--create-namespace \
|
|
--version v1.13.2
|
|
kubectl get pods --namespace cert-manager
|
|
|
|
# Install Rancher
|
|
helm install rancher rancher-latest/rancher \
|
|
--namespace cattle-system \
|
|
--set hostname=rancher.my.org \
|
|
--set bootstrapPassword=admin
|
|
kubectl -n cattle-system rollout status deploy/rancher
|
|
kubectl -n cattle-system get deploy rancher
|
|
|
|
# Add Rancher LoadBalancer
|
|
kubectl get svc -n cattle-system
|
|
# sometimes it skips the install so do it again here - need to debug
|
|
kubectl apply -f https://raw.githubusercontent.com/kube-vip/kube-vip-cloud-provider/main/manifest/kube-vip-cloud-controller.yaml
|
|
kubectl expose deployment rancher --name=rancher-lb --port=443 --type=LoadBalancer -n cattle-system
|
|
while [[ $(kubectl get svc name=rancher-lb -n cattle-system 'jsonpath={..status.conditions[?(@.type=="Pending")].status}') = "True" ]]; do
|
|
sleep 5
|
|
echo -e " \033[32;5mWaiting for LoadBalancer to come online\033[0m"
|
|
done
|
|
kubectl get svc -n cattle-system
|
|
|
|
echo -e " \033[32;5mAccess Rancher from the IP above - Password is admin!\033[0m"
|