mirror of
https://github.com/JamesTurland/JimsGarage.git
synced 2024-11-25 01:10:22 +00:00
Update k3s.sh
This commit is contained in:
tehNooB
GitHub
parent
6b6a90dd02
commit
4ad27adec1
1 changed files with 201 additions and 1 deletions
|
|
@ -1 +1,201 @@
|
|||
Coming soon
|
||||
#!/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 master and work nodes
|
||||
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 master nodes
|
||||
masters=($master2 $master3)
|
||||
|
||||
# Array of worker nodes
|
||||
workers=($worker1 $worker2)
|
||||
|
||||
# Array of all
|
||||
all=($master1 $master2 $master3 $worker1 $worker2)
|
||||
|
||||
# Array of all minus master
|
||||
allnomaster1=($master2 $master3 $worker1 $worker2)
|
||||
|
||||
#Loadbalancer IP range
|
||||
lbrange=192.168.3.60-192.168.3.80
|
||||
|
||||
#############################################
|
||||
# DO NOT EDIT BELOW #
|
||||
#############################################
|
||||
# For testing purposes - in case time is wrong due to VM snapshots
|
||||
sudo timedatectl set-ntp off
|
||||
sudo timedatectl set-ntp on
|
||||
|
||||
# Move SSH certs to ~/.ssh and change permissions
|
||||
cp /home/$user/{id_rsa,id_rsa.pub} /home/$user/.ssh
|
||||
chmod 600 /home/$user/.ssh/id_rsa /home/$user/.ssh/id_rsa.pub
|
||||
|
||||
# Install k3sup to local machine if not already present
|
||||
if ! command -v k3sup version &> /dev/null
|
||||
then
|
||||
echo -e " \033[31;5mk3sup not found, installing\033[0m"
|
||||
curl -sLS https://get.k3sup.dev | sh
|
||||
sudo install k3sup /usr/local/bin/
|
||||
else
|
||||
echo -e " \033[32;5mk3sup already installed\033[0m"
|
||||
fi
|
||||
|
||||
# Install Kubectl if not already present
|
||||
if ! command -v kubectl version &> /dev/null
|
||||
then
|
||||
echo -e " \033[31;5mKubectl not found, installing\033[0m"
|
||||
curl -LO "https://dl.k8s.io/release/$(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
|
||||
|
||||
# Install Docker to generate manifest and daemonset if not already present
|
||||
if ! command -v docker version &> /dev/null
|
||||
then
|
||||
echo -e " \033[31;5mDocker not found, installing\033[0m"
|
||||
curl -fsSL https://get.docker.com -o get-docker.sh
|
||||
sudo sh get-docker.sh
|
||||
wait $!
|
||||
else
|
||||
echo -e " \033[32;5mDocker already installed\033[0m"
|
||||
fi
|
||||
|
||||
# Create SSH Config file to ignore checking (don't use in production!)
|
||||
echo "StrictHostKeyChecking no" > ~/.ssh/config
|
||||
|
||||
#add ssh keys for all nodes
|
||||
for node in "${all[@]}"; do
|
||||
ssh-copy-id ubuntu@$node
|
||||
done
|
||||
|
||||
# Step 1: Bootstrap First k3s Node
|
||||
mkdir ~/.kube
|
||||
k3sup install \
|
||||
--ip $master1 \
|
||||
--user $user \
|
||||
--tls-san $vip \
|
||||
--cluster \
|
||||
--k3s-channel stable \
|
||||
--k3s-extra-args "--disable traefik --disable servicelb --flannel-iface=eth0 --node-ip=$master1" \
|
||||
--merge \
|
||||
--sudo \
|
||||
--local-path $HOME/.kube/config \
|
||||
--ssh-key $HOME/.ssh/id_rsa \
|
||||
--context k3s-ha
|
||||
echo -e " \033[32;5mFirst Node bootstrapped successfully!\033[0m"
|
||||
|
||||
|
||||
|
||||
# Step 2: Install Kube-VIP for HA
|
||||
|
||||
kubectl k3s-ha
|
||||
kubectl apply -f https://kube-vip.io/manifests/rbac.yaml
|
||||
|
||||
# Step 3: Generate Daemonset with Docker
|
||||
sudo docker run --network host --rm ghcr.io/kube-vip/kube-vip:$KVVERSION manifest daemonset \
|
||||
--interface $interface \
|
||||
--address $vip \
|
||||
--inCluster \
|
||||
--taint \
|
||||
--controlplane \
|
||||
--services \
|
||||
--arp \
|
||||
--leaderElection | tee $HOME/kube-vip.yaml
|
||||
|
||||
# Step 4: Copy kube-vip.yaml to master1
|
||||
scp -i ~/.ssh/id_rsa kube-vip.yaml $user@$master1:~/kube-vip.yaml
|
||||
|
||||
|
||||
# Step 5: Connect to Master1 and move kube-vip.yaml
|
||||
|
||||
ssh $user@$master1 -i ~/.ssh/id_rsa <<- EOF
|
||||
sudo mkdir -p /var/lib/rancher/k3s/server/manifests
|
||||
sudo mv kube-vip.yaml /var/lib/rancher/k3s/server/manifests/kube-vip.yaml
|
||||
EOF
|
||||
|
||||
# Step 6: Add new master nodes (servers)
|
||||
for newnode in "${masters[@]}"; do
|
||||
k3sup join \
|
||||
--ip $newnode \
|
||||
--user $user \
|
||||
--sudo \
|
||||
--k3s-channel stable \
|
||||
--server \
|
||||
--server-ip $master1 \
|
||||
--ssh-key $HOME/.ssh/id_rsa \
|
||||
--k3s-extra-args "--disable traefik --disable servicelb --flannel-iface=$interface --node-ip=$newnode" \
|
||||
--server-user $user
|
||||
echo -e " \033[32;5mMaster node joined successfully!\033[0m"
|
||||
done
|
||||
|
||||
for newagent in "${workers[@]}"; do
|
||||
k3sup join \
|
||||
--ip $newagent \
|
||||
--user $user \
|
||||
--sudo \
|
||||
--k3s-channel stable \
|
||||
--server-ip $master1 \
|
||||
--ssh-key $HOME/.ssh/id_rsa
|
||||
echo -e " \033[32;5mAgent node joined successfully!\033[0m"
|
||||
done
|
||||
|
||||
# Step 7: Install kube-vip as network LoadBalancer - Install the kube-vip Cloud Provider
|
||||
kubectl apply -f https://raw.githubusercontent.com/kube-vip/kube-vip-cloud-provider/main/manifest/kube-vip-cloud-controller.yaml
|
||||
|
||||
#IP range for loadbalancer services to use
|
||||
kubectl create configmap -n kube-system kubevip --from-literal range-global=$lbrange
|
||||
|
||||
# Step 8: Test with Nginx
|
||||
kubectl apply -f https://raw.githubusercontent.com/inlets/inlets-operator/master/contrib/nginx-sample-deployment.yaml -n default
|
||||
kubectl expose deployment nginx-1 --port=80 --type=LoadBalancer -n default
|
||||
|
||||
echo -e " \033[32;5mWaiting 20s for K3S to sync and LoadBalancer to come online\033[0m"
|
||||
|
||||
secs=20
|
||||
while [ $secs -gt 0 ]; do
|
||||
echo -ne "$secs\033[0K\r"
|
||||
sleep 1
|
||||
: $((secs--))
|
||||
done
|
||||
|
||||
kubectl get nodes
|
||||
kubectl get svc
|
||||
kubectl get pods --all-namespaces -o wide
|
||||
|
||||
echo -e " \033[32;5mHappy Kubing! Access Nginx at EXTERNAL-IP above\033[0m"
|
||||
|
|
|
|||
Loading…
Reference in a new issue