This commit is contained in:
James Turland 2023-12-03 21:52:08 +00:00
parent 99ca8f4f32
commit 8fe6afe156
3 changed files with 222 additions and 7 deletions

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@ -0,0 +1,8 @@
apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
name: first-pool
namespace: metallb-system
spec:
addresses:
- lbrange

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@ -0,0 +1,197 @@
#!/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"
# K3S Version
k3sVersion="v1.26.10+k3s2"
# 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=192.168.1.50
# 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 $worker2)
#Loadbalancer IP range
lbrange=192.168.1.61-192.168.1.79
#ssh certificate name variable
certName=id_rsa
#############################################
# DO NOT EDIT BELOW #
#############################################
# For testing purposes - in case time is wrong due to VM snapshots
sudo timedatectl set-ntp off
sudo timedatectl set-ntp on
# Move SSH certs to ~/.ssh and change permissions
cp /home/$user/{$certName,$certName.pub} /home/$user/.ssh
chmod 600 /home/$user/.ssh/$certName
chmod 644 /home/$user/.ssh/$certName.pub
# Install k3sup to local machine if not already present
if ! command -v k3sup version &> /dev/null
then
echo -e " \033[31;5mk3sup not found, installing\033[0m"
curl -sLS https://get.k3sup.dev | sh
sudo install k3sup /usr/local/bin/
else
echo -e " \033[32;5mk3sup already installed\033[0m"
fi
# Install Kubectl if not already present
if ! command -v kubectl version &> /dev/null
then
echo -e " \033[31;5mKubectl not found, installing\033[0m"
curl -LO "https://dl.k8s.io/release/$(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
# 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
# Install policycoreutils for each node
for newnode in "${all[@]}"; do
ssh $user@$newnode -i ~/.ssh/$certName sudo su <<EOF
NEEDRESTART_MODE=a apt install policycoreutils -y
exit
EOF
echo -e " \033[32;5mPolicyCoreUtils installed!\033[0m"
done
# Step 1: Bootstrap First k3s Node
mkdir ~/.kube
k3sup install \
--ip $master1 \
--user $user \
--tls-san $vip \
--cluster \
--k3s-version $k3sVersion \
--k3s-extra-args "--disable traefik --disable servicelb --flannel-iface=$interface --node-ip=$master1" \
--merge \
--sudo \
--local-path $HOME/.kube/config \
--ssh-key $HOME/.ssh/$certName \
--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: Download kube-vip
curl -sL https://raw.githubusercontent.com/JamesTurland/JimsGarage/main/Kubernetes/K3S-Deploy/kube-vip.yaml
# Step 4: Copy kube-vip.yaml to master1
scp -i ~/.ssh/$certName $HOME/kube-vip.yaml $user@$master1:~/kube-vip.yaml
# Step 5: Connect to Master1 and move kube-vip.yaml
ssh $user@$master1 -i ~/.ssh/$certName <<- EOF
sudo mkdir -p /var/lib/rancher/k3s/server/manifests
sudo mv kube-vip.yaml /var/lib/rancher/k3s/server/manifests/kube-vip.yaml
EOF
# Step 6: Add new master nodes (servers)
for newnode in "${masters[@]}"; do
k3sup join \
--ip $newnode \
--user $user \
--sudo \
--k3s-version $k3sVersion \
--server \
--server-ip $master1 \
--ssh-key $HOME/.ssh/$certName \
--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-version $k3sVersion \
--server-ip $master1 \
--ssh-key $HOME/.ssh/$certName
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
# Step 8: Install Metallb
kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/v0.13.12/config/manifests/metallb-native.yaml
# Download ipAddressPool and configure using lbrange above
curl -sL https://raw.githubusercontent.com/JamesTurland/JimsGarage/main/Kubernetes/K3S-Deploy/ipAddressPool.yaml
curl -sL https://raw.githubusercontent.com/JamesTurland/JimsGarage/main/Kubernetes/K3S-Deploy/ipAddressPool.yaml | lbrange=$lbrange sh | tee ~/ipAddressPool.yaml
# Step 9: 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"
while [[ $(kubectl get pods -l app=nginx -o 'jsonpath={..status.conditions[?(@.type=="Ready")].status}') != "True" ]]; do
sleep 1
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"

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@ -2,17 +2,21 @@ apiVersion: apps/v1
kind: DaemonSet kind: DaemonSet
metadata: metadata:
creationTimestamp: null creationTimestamp: null
labels:
app.kubernetes.io/name: kube-vip-ds
app.kubernetes.io/version: v0.6.3
name: kube-vip-ds name: kube-vip-ds
namespace: kube-system namespace: kube-system
spec: spec:
selector: selector:
matchLabels: matchLabels:
name: kube-vip-ds app.kubernetes.io/name: kube-vip-ds
template: template:
metadata: metadata:
creationTimestamp: null creationTimestamp: null
labels: labels:
name: kube-vip-ds app.kubernetes.io/name: kube-vip-ds
app.kubernetes.io/version: v0.6.3
spec: spec:
affinity: affinity:
nodeAffinity: nodeAffinity:
@ -43,18 +47,24 @@ spec:
- name: vip_ddns - name: vip_ddns
value: "false" value: "false"
- name: svc_enable - name: svc_enable
value: "false" value: "true"
- name: svc_leasename
value: plndr-svcs-lock
- name: vip_leaderelection - name: vip_leaderelection
value: "true" value: "true"
- name: vip_leasename
value: plndr-cp-lock
- name: vip_leaseduration - name: vip_leaseduration
value: "5" value: "5"
- name: vip_renewdeadline - name: vip_renewdeadline
value: "3" value: "3"
- name: vip_retryperiod - name: vip_retryperiod
value: "1" value: "1"
- name: vip_address - name: address
value: $vipAddress value: $vip
image: ghcr.io/kube-vip/kube-vip:v0.5.11 - name: prometheus_server
value: :2112
image: ghcr.io/kube-vip/kube-vip:v0.6.3
imagePullPolicy: Always imagePullPolicy: Always
name: kube-vip name: kube-vip
resources: {} resources: {}
@ -63,7 +73,6 @@ spec:
add: add:
- NET_ADMIN - NET_ADMIN
- NET_RAW - NET_RAW
- SYS_TIME
hostNetwork: true hostNetwork: true
serviceAccountName: kube-vip serviceAccountName: kube-vip
tolerations: tolerations:
@ -77,3 +86,4 @@ status:
desiredNumberScheduled: 0 desiredNumberScheduled: 0
numberMisscheduled: 0 numberMisscheduled: 0
numberReady: 0 numberReady: 0