61 lines
1.9 KiB
Bash
Executable File
61 lines
1.9 KiB
Bash
Executable File
#!/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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# 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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### 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-amd64.tar.gz
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tar xvf containerd-1.6.15-linux-amd64.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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