install_stock.sh

#!/bin/bash

# MIT License
#
# Copyright (c) 2020 Dmitrii Ustiugov, Plamen Petrov and EASE lab
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

sudo apt-get update >> /dev/null

sudo apt-get -y install btrfs-progs pkg-config libseccomp-dev unzip tar libseccomp2 socat util-linux apt-transport-https curl ipvsadm >> /dev/null
sudo apt-get -y install apparmor apparmor-utils >> /dev/null        # needed for containerd versions >1.5.x

wget --continue --quiet https://github.com/protocolbuffers/protobuf/releases/download/v3.19.4/protoc-3.19.4-linux-x86_64.zip
sudo unzip -o -q protoc-3.19.4-linux-x86_64.zip -d /usr/local

wget --continue --quiet https://github.com/containerd/containerd/releases/download/v1.6.2/containerd-1.6.2-linux-amd64.tar.gz
sudo tar -C /usr/local -xzf containerd-1.6.2-linux-amd64.tar.gz

wget --continue --quiet https://github.com/opencontainers/runc/releases/download/v1.1.0/runc.amd64
mv runc.amd64 runc
sudo install -D -m0755 runc /usr/local/sbin/runc

wget --continue --quiet https://storage.googleapis.com/gvisor/releases/release/20210622/x86_64/runsc
sudo chmod a+rx runsc
sudo mv runsc /usr/local/bin

containerd --version || echo "failed to build containerd"


# Install k8s
K8S_VERSION=1.25.3-00
sudo mkdir -p /etc/apt/keyrings
sudo curl -fsSLo /etc/apt/keyrings/kubernetes-archive-keyring.gpg https://packages.cloud.google.com/apt/doc/apt-key.gpg
echo "deb [signed-by=/etc/apt/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
if sudo apt-get update | grep "Err"; then
    echo "Google GPG server unreachable, Trying k8s mirror"
    sudo curl -fsSLo /etc/apt/keyrings/kubernetes-archive-keyring.gpg https://dl.k8s.io/apt/doc/apt-key.gpg
    echo "deb [signed-by=/etc/apt/keyrings/kubernetes-archive-keyring.gpg] https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
    if sudo apt-get update | grep "Err"; then
    echo "GPG server unreachable, check GPG server status" && exit 1
    fi
fi
sudo apt-get -y install cri-tools ebtables ethtool kubeadm=$K8S_VERSION kubectl=$K8S_VERSION kubelet=$K8S_VERSION kubernetes-cni >> /dev/null

# Install knative CLI
KNATIVE_VERSION="release-1.9"
git clone --quiet --depth=1 --branch=$KNATIVE_VERSION -c advice.detachedHead=false https://github.com/knative/client.git $HOME/client
cd $HOME/client
hack/build.sh -f
sudo mv kn /usr/local/bin


# Necessary for containerd as container runtime but not docker
sudo modprobe overlay
sudo modprobe br_netfilter

# Set up required sysctl params, these persist across reboots.
sudo tee /etc/sysctl.d/99-kubernetes-cri.conf <<EOF
net.bridge.bridge-nf-call-iptables  = 1
net.ipv4.ip_forward                 = 1
net.bridge.bridge-nf-call-ip6tables = 1
EOF

sudo sysctl --quiet --system