updated setup-container.sh and setup-kubetools.sh
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sandervanvugt
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16501ee4e0
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d775fd2f25
65
setup-container-previous-version.sh
Executable file
65
setup-container-previous-version.sh
Executable file
@ -0,0 +1,65 @@
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#!/bin/bash
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# script that runs
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# https://kubernetes.io/docs/setup/production-environment/container-runtime
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# changes March 14 2023: introduced $PLATFORM to have this work on amd64 as well as arm64
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# setting MYOS variable
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MYOS=$(hostnamectl | awk '/Operating/ { print $3 }')
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OSVERSION=$(hostnamectl | awk '/Operating/ { print $4 }')
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# beta: building in ARM support
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[ $(arch) = aarch64 ] && PLATFORM=arm64
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[ $(arch) = x86_64 ] && PLATFORM=amd64
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if [ $MYOS = "Ubuntu" ]
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then
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### setting up container runtime prereq
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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.
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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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# (Install containerd)
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sudo apt-get update && sudo apt-get install -y containerd
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# hopefully temporary bugfix as the containerd version provided in Ubu repo is tool old
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# added Jan 26th 2023
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# this needs to be updated when a recent enough containerd version will be in Ubuntu repos
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sudo systemctl stop containerd
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# cleanup old files from previous attempt if existing
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[ -d bin ] && rm -rf bin
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wget https://github.com/containerd/containerd/releases/download/v1.6.15/containerd-1.6.15-linux-${PLATFORM}.tar.gz
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tar xvf containerd-1.6.15-linux-${PLATFORM}.tar.gz
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sudo mv bin/* /usr/bin/
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# Configure containerd
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sudo mkdir -p /etc/containerd
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cat <<- TOML | sudo tee /etc/containerd/config.toml
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version = 2
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[plugins]
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[plugins."io.containerd.grpc.v1.cri"]
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[plugins."io.containerd.grpc.v1.cri".containerd]
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discard_unpacked_layers = true
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[plugins."io.containerd.grpc.v1.cri".containerd.runtimes]
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[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
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runtime_type = "io.containerd.runc.v2"
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[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
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SystemdCgroup = true
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TOML
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# Restart containerd
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sudo systemctl restart containerd
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fi
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@ -11,42 +11,38 @@ OSVERSION=$(hostnamectl | awk '/Operating/ { print $4 }')
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[ $(arch) = aarch64 ] && PLATFORM=arm64
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[ $(arch) = x86_64 ] && PLATFORM=amd64
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sudo apt install -y jq
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if [ $MYOS = "Ubuntu" ]
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then
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### setting up container runtime prereq
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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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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.
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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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# Setup required sysctl params, these persist across reboots.
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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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# Apply sysctl params without reboot
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sudo sysctl --system
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# (Install containerd)
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sudo apt-get update && sudo apt-get install -y containerd
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# hopefully temporary bugfix as the containerd version provided in Ubu repo is tool old
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# added Jan 26th 2023
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# this needs to be updated when a recent enough containerd version will be in Ubuntu repos
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sudo systemctl stop containerd
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# cleanup old files from previous attempt if existing
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[ -d bin ] && rm -rf bin
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wget https://github.com/containerd/containerd/releases/download/v1.6.15/containerd-1.6.15-linux-${PLATFORM}.tar.gz
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tar xvf containerd-1.6.15-linux-${PLATFORM}.tar.gz
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sudo mv bin/* /usr/bin/
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# Configure containerd
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sudo mkdir -p /etc/containerd
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cat <<- TOML | sudo tee /etc/containerd/config.toml
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# (Install containerd)
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# getting rid of hard coded version numbers
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CONTAINERD_VERSION=$(curl -s https://api.github.com/repos/containerd/containerd/releases/latest | jq -r '.tag_name')
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CONTAINERD_VERSION=${CONTAINERD_VERSION#v}
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wget https://github.com/containerd/containerd/releases/download/v${CONTAINERD_VERSION}/containerd-${CONTAINERD_VERSION}-linux-${PLATFORM}.tar.gz
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sudo tar xvf containerd-${CONTAINERD_VERSION}-linux-${PLATFORM}.tar.gz -C /usr/local
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# Configure containerd
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sudo mkdir -p /etc/containerd
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cat <<- TOML | sudo tee /etc/containerd/config.toml
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version = 2
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[plugins]
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[plugins."io.containerd.grpc.v1.cri"]
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@ -57,9 +53,31 @@ version = 2
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runtime_type = "io.containerd.runc.v2"
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[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
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SystemdCgroup = true
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TOML
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TOML
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# Restart containerd
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sudo systemctl restart containerd
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RUNC_VERSION=$(curl -s https://api.github.com/repos/opencontainers/runc/releases/latest | jq -r '.tag_name')
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wget https://github.com/opencontainers/runc/releases/download/${RUNC_VERSION}/runc.${PLATFORM}
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sudo install -m 755 runc.${PLATFORM} /usr/local/sbin/runc
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# Restart containerd
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wget https://raw.githubusercontent.com/containerd/containerd/main/containerd.service
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sudo mv containerd.service /usr/lib/systemd/system/
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sudo systemctl daemon-reload
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sudo systemctl enable --now containerd
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fi
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exit
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#### notes from history just in case
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#!/bin/bash
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# Fetch the latest release tag from GitHub API
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LATEST_TAG=$(curl -s https://api.github.com/repos/opencontainers/runc/releases/latest | jq -r '.tag_name')
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# Construct the download URL
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DOWNLOAD_URL="https://github.com/opencontainers/runc/releases/download/${LATEST_TAG}/runc.amd64"
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# Use wget to download the latest version
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wget "$DOWNLOAD_URL"
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echo "Downloaded $DOWNLOAD_URL"
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52
setup-kubetools-latestversion.sh
Executable file
52
setup-kubetools-latestversion.sh
Executable file
@ -0,0 +1,52 @@
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#!/bin/bash
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# kubeadm installation instructions as on
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# https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/install-kubeadm/
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# this script supports Ubuntu 20.04 LTS and later only
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# run this script with sudo
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if ! [ $USER = root ]
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then
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echo run this script with sudo
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exit 3
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fi
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# setting MYOS variable
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MYOS=$(hostnamectl | awk '/Operating/ { print $3 }')
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OSVERSION=$(hostnamectl | awk '/Operating/ { print $4 }')
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if [ $MYOS = "Ubuntu" ]
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then
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echo RUNNING UBUNTU CONFIG
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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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### update 5-3-2024
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# sudo apt-get update && sudo apt-get install -y apt-transport-https curl
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# curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
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# cat <<EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list
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# deb https://apt.kubernetes.io/ kubernetes-xenial main
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#EOF
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sudo apt-get update && sudo apt-get install -y apt-transport-https curl
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curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.28/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
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echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.29/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
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sudo apt-get update
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sudo apt-get install -y kubelet kubeadm kubectl
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sudo apt-mark hold kubelet kubeadm kubectl
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swapoff -a
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sed -i 's/\/swap/#\/swap/' /etc/fstab
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fi
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# Set iptables bridging
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cat <<EOF > /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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sysctl --system
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sudo crictl config --set \
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runtime-endpoint=unix:///run/containerd/containerd.sock
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echo 'after initializing the control node, follow instructions and use kubectl apply -f https://docs.projectcalico.org/manifests/calico.yaml to install the calico plugin (control node only). On the worker nodes, use sudo kubeadm join ... to join'
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52
setup-kubetools-previousversion.sh
Executable file
52
setup-kubetools-previousversion.sh
Executable file
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#!/bin/bash
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# kubeadm installation instructions as on
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# https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/install-kubeadm/
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# this script supports Ubuntu 20.04 LTS and later only
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# run this script with sudo
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if ! [ $USER = root ]
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then
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echo run this script with sudo
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exit 3
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fi
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# setting MYOS variable
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MYOS=$(hostnamectl | awk '/Operating/ { print $3 }')
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OSVERSION=$(hostnamectl | awk '/Operating/ { print $4 }')
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if [ $MYOS = "Ubuntu" ]
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then
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echo RUNNING UBUNTU CONFIG
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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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### update 5-3-2024
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sudo apt-get update && sudo apt-get install -y apt-transport-https curl
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curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
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cat <<EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list
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deb https://apt.kubernetes.io/ kubernetes-xenial main
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EOF
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# sudo apt-get update && sudo apt-get install -y apt-transport-https curl
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# curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.28/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
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# echo "deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.28/deb/ /" | sudo tee /etc/apt/sources.list.d/kubernetes.list
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sudo apt-get install -y kubelet kubeadm kubectl
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sudo apt-mark hold kubelet kubeadm kubectl
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swapoff -a
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sed -i 's/\/swap/#\/swap/' /etc/fstab
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fi
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# Set iptables bridging
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cat <<EOF > /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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sysctl --system
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sudo crictl config --set \
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runtime-endpoint=unix:///run/containerd/containerd.sock
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echo 'after initializing the control node, follow instructions and use kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.25.0/manifests/calico.yaml to install the calico plugin (control node only). On the worker nodes, use sudo kubeadm join ... to join'
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@ -23,16 +23,16 @@ then
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EOF
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### update 5-3-2024
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sudo apt-get update && sudo apt-get install -y apt-transport-https curl
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curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
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cat <<EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list
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deb https://apt.kubernetes.io/ kubernetes-xenial main
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EOF
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# sudo apt-get update && sudo apt-get install -y apt-transport-https curl
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# curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.28/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
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# echo "deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.28/deb/ /" | sudo tee /etc/apt/sources.list.d/kubernetes.list
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# curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
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# cat <<EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list
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# deb https://apt.kubernetes.io/ kubernetes-xenial main
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#EOF
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sudo apt-get update && sudo apt-get install -y apt-transport-https curl
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curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.28/deb/Release.key | sudo gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg
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echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.29/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
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sudo apt-get update
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sudo apt-get install -y kubelet kubeadm kubectl
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sudo apt-mark hold kubelet kubeadm kubectl
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swapoff -a
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