123 lines
4.0 KiB
Bash
Executable File
123 lines
4.0 KiB
Bash
Executable File
#!/bin/bash -e
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echo "Downloading kubectl..."
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curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
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echo "Installing kubectl..."
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sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl
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chmod +x kubectl
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mkdir -p ~/.local/bin/kubectl
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mv ./kubectl ~/.local/bin/kubectl
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echo "Verify kubectl client version"
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kubectl version --client
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echo "Downloading and install helm3..."
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curl https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3 | bash
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echo "Setup network k8s module..."
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cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
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br_netfilter
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EOF
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cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
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net.bridge.bridge-nf-call-ip6tables = 1
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net.bridge.bridge-nf-call-iptables = 1
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EOF
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sudo sysctl --system
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echo "Downloading and install CNI plguins..."
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CNI_VERSION="v0.8.2"
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ARCH="amd64"
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sudo mkdir -p /opt/cni/bin
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curl -L "https://github.com/containernetworking/plugins/releases/download/${CNI_VERSION}/cni-plugins-linux-${ARCH}-${CNI_VERSION}.tgz" | sudo tar -C /opt/cni/bin -xz
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DOWNLOAD_DIR=/usr/local/bin
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sudo mkdir -p $DOWNLOAD_DIR
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echo "Downloading and install crictl tools..."
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CRICTL_VERSION="v1.17.0"
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ARCH="amd64"
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curl -L "https://github.com/kubernetes-sigs/cri-tools/releases/download/${CRICTL_VERSION}/crictl-${CRICTL_VERSION}-linux-${ARCH}.tar.gz" | sudo tar -C $DOWNLOAD_DIR -xz
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echo "Downloading and install kubeadm and kubelet..."
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RELEASE="$(curl -sSL https://dl.k8s.io/release/stable.txt)"
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ARCH="amd64"
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cd $DOWNLOAD_DIR
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sudo curl -L --remote-name-all https://storage.googleapis.com/kubernetes-release/release/${RELEASE}/bin/linux/${ARCH}/{kubeadm,kubelet}
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sudo chmod +x {kubeadm,kubelet}
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echo "Setting up kubelet service..."
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RELEASE_VERSION="v0.4.0"
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curl -sSL "https://raw.githubusercontent.com/kubernetes/release/${RELEASE_VERSION}/cmd/kubepkg/templates/latest/deb/kubelet/lib/systemd/system/kubelet.service" | sed "s:/usr/bin:${DOWNLOAD_DIR}:g" | sudo tee /etc/systemd/system/kubelet.service
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sudo mkdir -p /etc/systemd/system/kubelet.service.d
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curl -sSL "https://raw.githubusercontent.com/kubernetes/release/${RELEASE_VERSION}/cmd/kubepkg/templates/latest/deb/kubeadm/10-kubeadm.conf" | sed "s:/usr/bin:${DOWNLOAD_DIR}:g" | sudo tee /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
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echo "Enabling kubelet service..."
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sudo systemctl enable --now kubelet
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echo "Verify kubeadm version..."
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kubeadm version
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echo "Downloading and setup docker, containerd and tools..."
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sudo swapoff -a
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curl -s -L https://sh.osa.cubetiqs.com/docker-setup.sh | bash
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sudo systemctl start docker
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sudo systemctl enable docker
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echo "Enabling docker daemon for cgroup driver with systemd"
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cat <<EOF | sudo tee /etc/docker/daemon.json
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{
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"exec-opts": ["native.cgroupdriver=systemd"],
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"log-driver": "json-file",
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"log-opts": {
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"max-size": "100m"
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},
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"storage-driver": "overlay2"
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}
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EOF
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echo "Restart docker service..."
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sudo systemctl daemon-reload
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sudo systemctl restart docker
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echo "Installing socat and conntrack for kubernetes cluster..."
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sudo apt-get -y install socat conntrack
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echo "Install nfs client tools..."
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sudo apt install nfs-common -y
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echo "Setting up containerd and configuration..."
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cat <<EOF | sudo tee /etc/modules-load.d/containerd.conf
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overlay
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br_netfilter
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EOF
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sudo modprobe overlay
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sudo modprobe br_netfilter
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# Setup required sysctl params, these persist across reboots. (If using crio)
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cat <<EOF | sudo tee /etc/sysctl.d/99-kubernetes-cri.conf
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net.bridge.bridge-nf-call-iptables = 1
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net.ipv4.ip_forward = 1
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net.bridge.bridge-nf-call-ip6tables = 1
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EOF
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# Apply sysctl params without reboot
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sudo sysctl --system
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sudo mkdir -p /etc/containerd
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containerd config default | sudo tee /etc/containerd/config.toml
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sudo systemctl restart containerd
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echo "Create directory and config in $HOME/.kube"
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mkdir -p $HOME/.kube
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touch $HOME/.kube/config
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sudo chown $(id -u):$(id -g) $HOME/.kube/config
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chmod o-r $HOME/.kube/config
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chmod g-r $HOME/.kube/config
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echo "Finished installation for kubectl, kubeadm and kubelet and some required tools, and now you do cluster :)!"
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