readme.md

Install script for WeaveWorks ignite.

sudo bash <(curl -sfL https://gist.githubusercontent.com/NiklasRosenstein/e89e5736a29a802991f5e2132701c648/raw/get-ignite.sh)

get-ignite.sh

#!/bin/bash

# https://github.com/weaveworks/ignite/blob/main/docs/installation.md

set -euo pipefail

DEFAULT_CNI_VERSION=v0.9.1
DEFAULT_IGNITE_VERSION=v0.10.0

function main() {
  echo -n "CNI_VERSION? [$DEFAULT_CNI_VERSION] "
  read -r CNI_VERSION
  CNI_VERSION=${CNI_VERSION:-$DEFAULT_CNI_VERSION}

  echo -n "IGNITE_VERSION? [$DEFAULT_IGNITE_VERSION] "
  read -r IGNITE_VERSION
  IGNITE_VERSION=${IGNITE_VERSION:-$DEFAULT_IGNITE_VERSION}

  install-system-packages
  install-cni-plugins $CNI_VERSION
  install-ignite $IGNITE_VERSION
}

function get-arch() {
  case "$(uname -m)" in
    x86_64|amd64) echo amd64;;
    aarch64|arm64) echo arm64;;
    *) >&2 echo "error: unknown architecture ($(uname -m))"; exit 1;;
  esac
}

function install-system-packages() {
  if which apt-get >/dev/null; then
    sudo apt-get update
    sudo apt-get install -y --no-install-recommends dmsetup openssh-client git binutils
    which containerd >/dev/null || sudo apt-get install -y --no-install-recommends containerd
  elif which yum >/dev/null; then
    yum install -y e2fsprogs openssh-clients git
    if cat /etc/os-release | grep "Amazon Linux" >/dev/null; then
      which containerd >dev/null || sudo amazon-linux-extras enable docker && yum install -y containerd
    else
      which containerd >/dev/null || ( ysudo um-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo && sudo yum install -y containerd.io )
    fi
  fi
}

function install-cni-plugins() {
  local CNI_VERSION
  CNI_VERSION="$1"
  local URL
  URL=https://github.com/containernetworking/plugins/releases/download/${CNI_VERSION}/cni-plugins-linux-$(get-arch)-${CNI_VERSION}.tgz

  echo "Installing CNI plugins $CNI_VERSION to /opt/cni/bin from $URL"
  sudo rm -rf /opt/cni/bin
  sudo mkdir -p /opt/cni/bin
  curl -sSL $URL | sudo tar -xz -C /opt/cni/bin
}

function install-ignite() {
  local VERSION
  VERSION="$1"

  for BINARY in ignite ignited; do
    local URL
    URL=https://github.com/weaveworks/ignite/releases/download/${VERSION}/${BINARY}-$(get-arch)
    echo "Installing ${BINARY} $VERSION to /usr/local/bin from $URL"
    curl -sfLo ${BINARY} "$URL"
    chmod +x ${BINARY}
    sudo mv ${BINARY} /usr/local/bin
  done
}

main