#!/bin/bash # Copyright OpenFaaS Author(s) 2022 set -e -x -o pipefail export OWNER="openfaas" export REPO="faasd" version="" echo "Finding latest version from GitHub" version=$(curl -sI https://github.com/$OWNER/$REPO/releases/latest | grep -i "location:" | awk -F"/" '{ printf "%s", $NF }' | tr -d '\r') echo "$version" if [ ! $version ]; then echo "Failed while attempting to get latest version" exit 1 fi SUDO=sudo if [ "$(id -u)" -eq 0 ]; then SUDO= fi verify_system() { if ! [ -d /run/systemd ]; then fatal 'Can not find systemd to use as a process supervisor for faasd' fi } has_yum() { [ -n "$(command -v yum)" ] } has_apt_get() { [ -n "$(command -v apt-get)" ] } has_pacman() { [ -n "$(command -v pacman)" ] } install_required_packages() { if $(has_apt_get); then # Debian bullseye is missing iptables. Added to required packages # to get it working in raspberry pi. No such known issues in # other distros. Hence, adding only to this block. # reference: https://github.com/openfaas/faasd/pull/237 $SUDO apt-get update -y $SUDO apt-get install -y curl runc bridge-utils iptables elif $(has_yum); then $SUDO yum check-update -y || : $SUDO yum install -y curl runc || : elif $(has_pacman); then $SUDO pacman -Syy $SUDO pacman -Sy curl runc bridge-utils else fatal "Could not find apt-get, yum, or pacman. Cannot install dependencies on this OS." exit 1 fi } install_cni_plugins() { cni_version=v0.9.1 suffix="" arch=$(uname -m) case $arch in x86_64 | amd64) suffix=amd64 ;; aarch64) suffix=arm64 ;; arm*) suffix=arm ;; *) fatal "Unsupported architecture $arch" ;; esac $SUDO mkdir -p /opt/cni/bin curl -sSL https://github.com/containernetworking/plugins/releases/download/${cni_version}/cni-plugins-linux-${suffix}-${cni_version}.tgz | $SUDO tar -xvz -C /opt/cni/bin } install_containerd() { arch=$(uname -m) CONTAINERD_VER=1.6.3 case $arch in x86_64 | amd64) curl -sLSf https://github.com/containerd/containerd/releases/download/v${CONTAINERD_VER}/containerd-${CONTAINERD_VER}-linux-amd64.tar.gz | $SUDO tar -xvz --strip-components=1 -C /usr/local/bin/ ;; armv7l) curl -sSL https://github.com/alexellis/containerd-arm/releases/download/v${CONTAINERD_VER}/containerd-${CONTAINERD_VER}-linux-armhf.tar.gz | $SUDO tar -xvz --strip-components=1 -C /usr/local/bin/ ;; aarch64) curl -sLSf https://github.com/containerd/containerd/releases/download/v${CONTAINERD_VER}/containerd-${CONTAINERD_VER}-linux-arm64.tar.gz | $SUDO tar -xvz --strip-components=1 -C /usr/local/bin/ ;; *) fatal "Unsupported architecture $arch" ;; esac $SUDO systemctl unmask containerd || : $SUDO curl -SLfs https://raw.githubusercontent.com/containerd/containerd/main/containerd.service --output /etc/systemd/system/containerd.service $SUDO systemctl enable containerd $SUDO systemctl start containerd sleep 5 } install_faasd() { arch=$(uname -m) case $arch in x86_64 | amd64) suffix="" ;; aarch64) suffix=-arm64 ;; armv7l) suffix=-armhf ;; *) echo "Unsupported architecture $arch" exit 1 ;; esac $SUDO curl -fSLs "https://github.com/openfaas/faasd/releases/download/${version}/faasd${suffix}" --output "/usr/local/bin/faasd" $SUDO chmod a+x "/usr/local/bin/faasd" mkdir -p /tmp/faasd-${version}-installation/hack cd /tmp/faasd-${version}-installation $SUDO curl -fSLs "https://raw.githubusercontent.com/openfaas/faasd/${version}/docker-compose.yaml" --output "docker-compose.yaml" $SUDO curl -fSLs "https://raw.githubusercontent.com/openfaas/faasd/${version}/prometheus.yml" --output "prometheus.yml" $SUDO curl -fSLs "https://raw.githubusercontent.com/openfaas/faasd/${version}/resolv.conf" --output "resolv.conf" $SUDO curl -fSLs "https://raw.githubusercontent.com/openfaas/faasd/${version}/hack/faasd-provider.service" --output "hack/faasd-provider.service" $SUDO curl -fSLs "https://raw.githubusercontent.com/openfaas/faasd/${version}/hack/faasd.service" --output "hack/faasd.service" $SUDO /usr/local/bin/faasd install } install_caddy() { if [ ! -z "${FAASD_DOMAIN}" ]; then arch=$(uname -m) case $arch in x86_64 | amd64) suffix="amd64" ;; aarch64) suffix=-arm64 ;; armv7l) suffix=-armv7 ;; *) echo "Unsupported architecture $arch" exit 1 ;; esac curl -sSL "https://github.com/caddyserver/caddy/releases/download/v2.4.3/caddy_2.4.3_linux_${suffix}.tar.gz" | $SUDO tar -xvz -C /usr/bin/ caddy $SUDO curl -fSLs https://raw.githubusercontent.com/caddyserver/dist/master/init/caddy.service --output /etc/systemd/system/caddy.service $SUDO mkdir -p /etc/caddy $SUDO mkdir -p /var/lib/caddy if $(id caddy >/dev/null 2>&1); then echo "User caddy already exists." else $SUDO useradd --system --home /var/lib/caddy --shell /bin/false caddy fi $SUDO tee /etc/caddy/Caddyfile >/dev/null <