Lemoncode · crsanti · Nov 13, 2022
diff --git a/00-installing-k8s/03-kubeadm-local-docker/Vagrantfile b/00-installing-k8s/03-kubeadm-local-docker/Vagrantfile
@@ -8,7 +8,7 @@ Vagrant.configure("2") do |config|
   SHELL
 
   config.vm.define "master" do |master|
-    master.vm.box = "bento/ubuntu-18.04"
+    master.vm.box = "bento/ubuntu-22.04"
     master.vm.hostname = "master-node"
     master.vm.network "private_network", ip: "10.0.0.10"
     master.vm.provider "virtualbox" do |vb|
@@ -19,7 +19,7 @@ Vagrant.configure("2") do |config|
 
   (1..2).each do |i|
     config.vm.define "node0#{i}" do |node01|
-      node01.vm.box = "bento/ubuntu-18.04"
+      node01.vm.box = "bento/ubuntu-22.04"
       node01.vm.hostname = "worker-node0#{i}"
       node01.vm.network "private_network", ip: "10.0.0.1#{i}"
       node01.vm.provider "virtualbox" do |vb|

diff --git a/00-installing-k8s/03-kubeadm-local-docker/scripts/master.sh b/00-installing-k8s/03-kubeadm-local-docker/scripts/master.sh
@@ -1,11 +1,11 @@
-#! /bin/bash
+#!/bin/bash
 
 # disable swap
 sudo swapoff -a
 # keeps the swaf off during reboot
-sudo sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab
+sudo sed -i 's/^[^#].*none.*swap.*sw/#&/' /etc/fstab
 
-sudo apt-get update -y
+sudo apt-get update
 sudo apt-get install -y \
     apt-transport-https \
     ca-certificates \
@@ -19,8 +19,8 @@ echo \
   "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
 
-sudo apt-get update -y
-sudo apt-get install docker-ce docker-ce-cli containerd.io -y
+sudo apt-get update
+sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin
 
 # Following configurations are recomended in the kubenetes documentation for Docker runtime. Please refer https://kubernetes.io/docs/setup/production-environment/container-runtimes/#docker
 
@@ -39,35 +39,58 @@ sudo systemctl enable docker
 sudo systemctl daemon-reload
 sudo systemctl restart docker
 
-echo "Docker Runtime Configured Successfully"
+echo "Docker Engine Configured Successfully"
 
+CRI_DOCKERD_VERSION=$(curl -s https://api.github.com/repos/Mirantis/cri-dockerd/releases/latest| grep tag_name | cut -d '"' -f 4 | sed 's/v//g')
+curl -fsSLO https://github.com/Mirantis/cri-dockerd/releases/download/v${CRI_DOCKERD_VERSION}/cri-dockerd-${CRI_DOCKERD_VERSION}.amd64.tgz
+tar xvf cri-dockerd-${CRI_DOCKERD_VERSION}.amd64.tgz
+sudo mv cri-dockerd/cri-dockerd /usr/local/bin/
+
+curl -fsSLO https://raw.githubusercontent.com/Mirantis/cri-dockerd/v${CRI_DOCKERD_VERSION}/packaging/systemd/cri-docker.service
+curl -fsSLO https://raw.githubusercontent.com/Mirantis/cri-dockerd/v${CRI_DOCKERD_VERSION}/packaging/systemd/cri-docker.socket
+sudo mv cri-docker.socket cri-docker.service /etc/systemd/system/
+sudo sed -i -e 's,/usr/bin/cri-dockerd,/usr/local/bin/cri-dockerd,' /etc/systemd/system/cri-docker.service
+sudo systemctl daemon-reload
+sudo systemctl enable cri-docker.service
+sudo systemctl enable --now cri-docker.socket
+
+echo "Docker Container Runtime Interface installed: $(cri-dockerd --version)"
 
-sudo apt-get update
 sudo curl -fsSLo /usr/share/keyrings/kubernetes-archive-keyring.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg
 
 echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
 
-sudo apt-get update -y
-# sudo apt-get install -y kubelet kubeadm kubectl
-VERSION=1.21.4-00
-sudo apt-get install -y kubelet=$VERSION kubectl=$VERSION kubeadm=$VERSION
+KUBERNETES_VERSION=1.25.4-00
+sudo apt-get update
+sudo apt-get install -y kubelet=$KUBERNETES_VERSION kubectl=$KUBERNETES_VERSION kubeadm=$KUBERNETES_VERSION
 # reference https://stackoverflow.com/questions/49721708/how-to-install-specific-version-of-kubernetes
-
-
 sudo apt-mark hold kubelet kubeadm kubectl
 
-
 IPADDR="10.0.0.10"
-
 NODENAME=$(hostname -s)
 
-sudo kubeadm init --apiserver-advertise-address=$IPADDR  --apiserver-cert-extra-sans=$IPADDR  --pod-network-cidr=192.168.0.0/16 --node-name $NODENAME --ignore-preflight-errors Swap
+kubeadm config print init-defaults > ClusterConfiguration.yaml
+
+sed -ri "s|^(\s*advertiseAddress:).*|\1 ${IPADDR}|" ClusterConfiguration.yaml
+sed -ri "s|^(\s*name:).*|\1 ${NODENAME}|" ClusterConfiguration.yaml
+sed -ri "s|^(\s*kubernetesVersion:).*|\1 ${KUBERNETES_VERSION%-*}|" ClusterConfiguration.yaml
+sed -ri "s|^(\s*criSocket:).*|\1 unix:///run/cri-dockerd.sock|" ClusterConfiguration.yaml
+sed -ri 's|^(\s*)serviceSubnet:.*|&\n\1podSubnet: 192.168.0.0/16|' ClusterConfiguration.yaml
+
+# Set the cgroupDriver to systemd...matching that of your container runtime, containerd
+cat <<EOF >> ClusterConfiguration.yaml
+---
+apiVersion: kubelet.config.k8s.io/v1beta1
+kind: KubeletConfiguration
+cgroupDriver: systemd
+EOF
 
+sudo kubeadm init --config=ClusterConfiguration.yaml
 
 mkdir -p $HOME/.kube
-  sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
-  sudo chown $(id -u):$(id -g) $HOME/.kube/config
+sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
+sudo chown $(id -u):$(id -g) $HOME/.kube/config
 
-curl https://docs.projectcalico.org/manifests/calico.yaml -O
+curl -fsSLO https://docs.projectcalico.org/manifests/calico.yaml
 
 kubectl apply -f calico.yaml
diff --git a/00-installing-k8s/03-kubeadm-local-docker/scripts/worker-node.sh b/00-installing-k8s/03-kubeadm-local-docker/scripts/worker-node.sh
@@ -1,11 +1,11 @@
-#! /bin/bash
+#!/bin/bash
 
 # disable swap
 sudo swapoff -a
 # keeps the swaf off during reboot
-sudo sed -i '/ swap / s/^\(.*\)$/#\1/g' /etc/fstab
+sudo sed -i 's/^[^#].*none.*swap.*sw/#&/' /etc/fstab
 
-sudo apt-get update -y
+sudo apt-get update
 sudo apt-get install -y \
     apt-transport-https \
     ca-certificates \
@@ -19,8 +19,8 @@ echo \
   "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
 
-sudo apt-get update -y
-sudo apt-get install docker-ce docker-ce-cli containerd.io -y
+sudo apt-get update
+sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin
 
 # Following configurations are recomended in the kubenetes documentation for Docker runtime. Please refer https://kubernetes.io/docs/setup/production-environment/container-runtimes/#docker
 
@@ -39,17 +39,30 @@ sudo systemctl enable docker
 sudo systemctl daemon-reload
 sudo systemctl restart docker
 
-echo "Docker Runtime Configured Successfully"
+echo "Docker Engine Configured Successfully"
+
+CRI_DOCKERD_VERSION=$(curl -s https://api.github.com/repos/Mirantis/cri-dockerd/releases/latest| grep tag_name | cut -d '"' -f 4 | sed 's/v//g')
+curl -fsSLO https://github.com/Mirantis/cri-dockerd/releases/download/v${CRI_DOCKERD_VERSION}/cri-dockerd-${CRI_DOCKERD_VERSION}.amd64.tgz
+tar xvf cri-dockerd-${CRI_DOCKERD_VERSION}.amd64.tgz
+sudo mv cri-dockerd/cri-dockerd /usr/local/bin/
+
+curl -fsSLO https://raw.githubusercontent.com/Mirantis/cri-dockerd/v${CRI_DOCKERD_VERSION}/packaging/systemd/cri-docker.service
+curl -fsSLO https://raw.githubusercontent.com/Mirantis/cri-dockerd/v${CRI_DOCKERD_VERSION}/packaging/systemd/cri-docker.socket
+sudo mv cri-docker.socket cri-docker.service /etc/systemd/system/
+sudo sed -i -e 's,/usr/bin/cri-dockerd,/usr/local/bin/cri-dockerd,' /etc/systemd/system/cri-docker.service
+sudo systemctl daemon-reload
+sudo systemctl enable cri-docker.service
+sudo systemctl enable --now cri-docker.socket
+
+echo "Docker Container Runtime Interface installed: $(cri-dockerd --version)"
 
 
-sudo apt-get update
 sudo curl -fsSLo /usr/share/keyrings/kubernetes-archive-keyring.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg
 
 echo "deb [signed-by=/usr/share/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
 
-sudo apt-get update -y
-# sudo apt-get install -y kubelet kubeadm kubectl
-VERSION=1.21.4-00
-sudo apt-get install -y kubelet=$VERSION kubectl=$VERSION kubeadm=$VERSION
-
+KUBERNETES_VERSION=1.25.4-00
+sudo apt-get update
+sudo apt-get install -y kubelet=$KUBERNETES_VERSION kubectl=$KUBERNETES_VERSION kubeadm=$KUBERNETES_VERSION
+# reference https://stackoverflow.com/questions/49721708/how-to-install-specific-version-of-kubernetes
 sudo apt-mark hold kubelet kubeadm kubectl
diff --git a/00-installing-k8s/04-automated-local-k8s-setup/Vagrantfile b/00-installing-k8s/04-automated-local-k8s-setup/Vagrantfile
@@ -7,7 +7,7 @@ Vagrant.configure("2") do |config|
   SHELL
 
   config.vm.define "master" do |master|
-    master.vm.box = "bento/ubuntu-18.04"
+    master.vm.box = "bento/ubuntu-22.04"
     master.vm.hostname = "master-node"
     master.vm.network "private_network", ip: "10.0.0.10"
     master.vm.provider "virtualbox" do |vb|
@@ -20,7 +20,7 @@ Vagrant.configure("2") do |config|
 
   (1..2).each do |i|
     config.vm.define "node0#{i}" do |node|
-      node.vm.box = "bento/ubuntu-18.04"
+      node.vm.box = "bento/ubuntu-22.04"
       node.vm.hostname = "worker-node0#{i}"
       node.vm.network "private_network", ip: "10.0.0.1#{i}"
       node.vm.provider "virtualbox" do |vb|

diff --git a/00-installing-k8s/04-automated-local-k8s-setup/readme.md b/00-installing-k8s/04-automated-local-k8s-setup/readme.md
@@ -26,9 +26,9 @@ kubectl get nodes
 ```
 
 ```
-master-node     Ready    control-plane,master   15m    v1.21.4
-worker-node01   Ready    worker                 12m    v1.21.4
-worker-node02   Ready    worker                 9m4s   v1.21.4
+master-node     Ready    control-plane,master   15m    v1.25.4
+worker-node01   Ready    worker                 12m    v1.25.4
+worker-node02   Ready    worker                 9m4s   v1.25.4
 ```
 
 We can find out the pods running in our system by

diff --git a/00-installing-k8s/04-automated-local-k8s-setup/scripts/common.sh b/00-installing-k8s/04-automated-local-k8s-setup/scripts/common.sh
@@ -1,14 +1,14 @@
-#! /bin/bash
+#!/bin/bash
 
 # Variable Declaration
 
-KUBERNETES_VERSION="1.21.4-00"
+KUBERNETES_VERSION=1.25.4-00
 
 # disable swap
 sudo swapoff -a
 
 # keeps the swaf off during reboot
-sudo sed -i '/ swap / s/^/#/g' /etc/fstab
+sudo sed -i 's/^[^#].*none.*swap.*sw/#&/' /etc/fstab
 
 sudo apt-get update -y
 sudo apt-get install -y \
@@ -25,7 +25,7 @@ echo \
   $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
 
 sudo apt-get update -y
-sudo apt-get install docker-ce docker-ce-cli containerd.io -y
+sudo apt-get install -y docker-ce docker-ce-cli containerd.io docker-compose-plugin
 
 # Following configurations are recomended in the kubenetes documentation for Docker runtime. Please refer https://kubernetes.io/docs/setup/production-environment/container-runtimes/#docker
 
@@ -46,7 +46,22 @@ sudo systemctl restart docker
 
 sudo gpasswd -a vagrant docker
 
-echo "Docker Runtime Configured Successfully"
+echo "Docker Engine Configured Successfully"
+
+CRI_DOCKERD_VERSION=$(curl -s https://api.github.com/repos/Mirantis/cri-dockerd/releases/latest| grep tag_name | cut -d '"' -f 4 | sed 's/v//g')
+curl -fsSLO https://github.com/Mirantis/cri-dockerd/releases/download/v${CRI_DOCKERD_VERSION}/cri-dockerd-${CRI_DOCKERD_VERSION}.amd64.tgz
+tar xvf cri-dockerd-${CRI_DOCKERD_VERSION}.amd64.tgz
+sudo mv cri-dockerd/cri-dockerd /usr/local/bin/
+
+curl -fsSLO https://raw.githubusercontent.com/Mirantis/cri-dockerd/v${CRI_DOCKERD_VERSION}/packaging/systemd/cri-docker.service
+curl -fsSLO https://raw.githubusercontent.com/Mirantis/cri-dockerd/v${CRI_DOCKERD_VERSION}/packaging/systemd/cri-docker.socket
+sudo mv cri-docker.socket cri-docker.service /etc/systemd/system/
+sudo sed -i -e 's,/usr/bin/cri-dockerd,/usr/local/bin/cri-dockerd,' /etc/systemd/system/cri-docker.service
+sudo systemctl daemon-reload
+sudo systemctl enable cri-docker.service
+sudo systemctl enable --now cri-docker.socket
+
+echo "Docker Container Runtime Interface installed: $(cri-dockerd --version)"
 
 
 sudo apt-get update

diff --git a/00-installing-k8s/04-automated-local-k8s-setup/scripts/master.sh b/00-installing-k8s/04-automated-local-k8s-setup/scripts/master.sh
@@ -1,14 +1,26 @@
-#! /bin/bash
+#!/bin/bash
 
-MASTER_IP="10.0.0.10"
+IPADDR="10.0.0.10"
 NODENAME=$(hostname -s)
 POD_CIDR="192.168.0.0/16"
 
-sudo kubeadm config images pull
+kubeadm config print init-defaults > ClusterConfiguration.yaml
 
-echo "Preflight Check Passed: Downloaded All Required Images"
+sed -ri "s|^(\s*advertiseAddress:).*|\1 ${IPADDR}|" ClusterConfiguration.yaml
+sed -ri "s|^(\s*name:).*|\1 ${NODENAME}|" ClusterConfiguration.yaml
+sed -ri "s|^(\s*kubernetesVersion:).*|\1 ${KUBERNETES_VERSION%-*}|" ClusterConfiguration.yaml
+sed -ri "s|^(\s*criSocket:).*|\1 unix:///run/cri-dockerd.sock|" ClusterConfiguration.yaml
+sed -ri "s|^(\s*)serviceSubnet:.*|&\n\1podSubnet: ${POD_CIDR}|" ClusterConfiguration.yaml
 
-sudo kubeadm init --apiserver-advertise-address=$MASTER_IP  --apiserver-cert-extra-sans=$MASTER_IP --pod-network-cidr=$POD_CIDR --node-name $NODENAME --ignore-preflight-errors Swap
+# Set the cgroupDriver to systemd...matching that of your container runtime, containerd
+cat <<EOF >> ClusterConfiguration.yaml
+---
+apiVersion: kubelet.config.k8s.io/v1beta1
+kind: KubeletConfiguration
+cgroupDriver: systemd
+EOF
+
+sudo kubeadm init --config=ClusterConfiguration.yaml
 
 mkdir -p $HOME/.kube
 sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
@@ -30,7 +42,7 @@ cp /etc/kubernetes/admin.conf /vagrant/configs/config
 touch /vagrant/configs/join.sh
 chmod +x /vagrant/configs/join.sh
 
-kubeadm token create --print-join-command > /vagrant/configs/join.sh
+echo "$(kubeadm token create --print-join-command) --cri-socket unix:///run/cri-dockerd.sock" > /vagrant/configs/join.sh
 
 # Install Calico Network Plugin
 
@@ -42,7 +54,8 @@ kubectl apply -f https://raw.githubusercontent.com/scriptcamp/kubeadm-scripts/ma
 
 # Install Kubernetes Dashboard
 
-kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v2.0.0/aio/deploy/recommended.yaml
+KUBERNETES_DASHBOARD_VERSION=$(curl -s https://api.github.com/repos/kubernetes/dashboard/releases/latest | grep tag_name | cut -d '"' -f 4 | sed 's/v//g')
+kubectl apply -f https://raw.githubusercontent.com/kubernetes/dashboard/v${KUBERNETES_DASHBOARD_VERSION}/aio/deploy/recommended.yaml
 
 # Create Dashboard User
 
@@ -69,7 +82,7 @@ subjects:
   namespace: kubernetes-dashboard
 EOF
 
-kubectl -n kubernetes-dashboard get secret $(kubectl -n kubernetes-dashboard get sa/admin-user -o jsonpath="{.secrets[0].name}") -o go-template="{{.data.token | base64decode}}" >> /vagrant/configs/token
+kubectl -n kubernetes-dashboard create token admin-user > /vagrant/configs/token
 
 sudo -i -u vagrant bash << 'EOF'
 mkdir -p $HOME/.kube