scaleway_instance_server_nodes-fr-par-1-0_user_data

#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail

NODEUP_URL_AMD64=https://artifacts.k8s.io/binaries/kops/1.21.0-alpha.1/linux/amd64/nodeup,https://github.com/kubernetes/kops/releases/download/v1.21.0-alpha.1/nodeup-linux-amd64
NODEUP_HASH_AMD64=585fbda0f0a43184656b4bfc0cc5f0c0b85612faf43b8816acca1f99d422c924
NODEUP_URL_ARM64=https://artifacts.k8s.io/binaries/kops/1.21.0-alpha.1/linux/arm64/nodeup,https://github.com/kubernetes/kops/releases/download/v1.21.0-alpha.1/nodeup-linux-arm64
NODEUP_HASH_ARM64=7603675379699105a9b9915ff97718ea99b1bbb01a4c184e2f827c8a96e8e865

export SCW_ACCESS_KEY=
export SCW_DEFAULT_PROJECT_ID=
export SCW_SECRET_KEY=




sysctl -w net.core.rmem_max=16777216 || true
sysctl -w net.core.wmem_max=16777216 || true
sysctl -w net.ipv4.tcp_rmem='4096 87380 16777216' || true
sysctl -w net.ipv4.tcp_wmem='4096 87380 16777216' || true


function ensure-install-dir() {
  INSTALL_DIR="/opt/kops"
  # On ContainerOS, we install under /var/lib/toolbox; /opt is ro and noexec
  if [[ -d /var/lib/toolbox ]]; then
    INSTALL_DIR="/var/lib/toolbox/kops"
  fi
  mkdir -p ${INSTALL_DIR}/bin
  mkdir -p ${INSTALL_DIR}/conf
  cd ${INSTALL_DIR}
}

# Retry a download until we get it. args: name, sha, urls
download-or-bust() {
  local -r file="$1"
  local -r hash="$2"
  local -r urls=( $(split-commas "$3") )

  if [[ -f "${file}" ]]; then
    if ! validate-hash "${file}" "${hash}"; then
      rm -f "${file}"
    else
      return 0
    fi
  fi

  while true; do
    for url in "${urls[@]}"; do
      commands=(
        "curl -f --compressed -Lo "${file}" --connect-timeout 20 --retry 6 --retry-delay 10"
        "wget --compression=auto -O "${file}" --connect-timeout=20 --tries=6 --wait=10"
        "curl -f -Lo "${file}" --connect-timeout 20 --retry 6 --retry-delay 10"
        "wget -O "${file}" --connect-timeout=20 --tries=6 --wait=10"
      )
      for cmd in "${commands[@]}"; do
        echo "Attempting download with: ${cmd} {url}"
        if ! (${cmd} "${url}"); then
          echo "== Download failed with ${cmd} =="
          continue
        fi
        if ! validate-hash "${file}" "${hash}"; then
          echo "== Hash validation of ${url} failed. Retrying. =="
          rm -f "${file}"
        else
          echo "== Downloaded ${url} (SHA256 = ${hash}) =="
          return 0
        fi
      done
    done

    echo "All downloads failed; sleeping before retrying"
    sleep 60
  done
}

validate-hash() {
  local -r file="$1"
  local -r expected="$2"
  local actual

  actual=$(sha256sum ${file} | awk '{ print $1 }') || true
  if [[ "${actual}" != "${expected}" ]]; then
    echo "== ${file} corrupted, hash ${actual} doesn't match expected ${expected} =="
    return 1
  fi
}

function split-commas() {
  echo $1 | tr "," "\n"
}

function download-release() {
  case "$(uname -m)" in
  x86_64*|i?86_64*|amd64*)
    NODEUP_URL="${NODEUP_URL_AMD64}"
    NODEUP_HASH="${NODEUP_HASH_AMD64}"
    ;;
  aarch64*|arm64*)
    NODEUP_URL="${NODEUP_URL_ARM64}"
    NODEUP_HASH="${NODEUP_HASH_ARM64}"
    ;;
  *)
    echo "Unsupported host arch: $(uname -m)" >&2
    exit 1
    ;;
  esac

  cd ${INSTALL_DIR}/bin
  download-or-bust nodeup "${NODEUP_HASH}" "${NODEUP_URL}"

  chmod +x nodeup

  echo "Running nodeup"
  # We can't run in the foreground because of https://github.com/docker/docker/issues/23793
  ( cd ${INSTALL_DIR}/bin; ./nodeup --install-systemd-unit --conf=${INSTALL_DIR}/conf/kube_env.yaml --v=8  )
}

####################################################################################

/bin/systemd-machine-id-setup || echo "failed to set up ensure machine-id configured"

echo "== nodeup node config starting =="
ensure-install-dir

cat > conf/kube_env.yaml << '__EOF_KUBE_ENV'
CloudProvider: scaleway
ClusterName: scw-minimal.k8s.local
ConfigServer:
  CACertificates: |
    -----BEGIN CERTIFICATE-----
    MIIBbjCCARigAwIBAgIMFpANqBD8NSD82AUSMA0GCSqGSIb3DQEBCwUAMBgxFjAU
    BgNVBAMTDWt1YmVybmV0ZXMtY2EwHhcNMjEwNzA3MDcwODAwWhcNMzEwNzA3MDcw
    ODAwWjAYMRYwFAYDVQQDEw1rdWJlcm5ldGVzLWNhMFwwDQYJKoZIhvcNAQEBBQAD
    SwAwSAJBANFI3zr0Tk8krsW8vwjfMpzJOlWQ8616vG3YPa2qAgI7V4oKwfV0yIg1
    jt+H6f4P/wkPAPTPTfRp9Iy8oHEEFw0CAwEAAaNCMEAwDgYDVR0PAQH/BAQDAgEG
    MA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFNG3zVjTcLlJwDsJ4/K9DV7KohUA
    MA0GCSqGSIb3DQEBCwUAA0EAB8d03fY2w7WKpfO29qI295pu2C4ca9AiVGOpgSc8
    tmQsq6rcxt3T+rb589PVtz0mw/cKTxOk6gH2CCC+yHfy2w==
    -----END CERTIFICATE-----
    -----BEGIN CERTIFICATE-----
    MIIBbjCCARigAwIBAgIMFpANvmSa0OAlYmXKMA0GCSqGSIb3DQEBCwUAMBgxFjAU
    BgNVBAMTDWt1YmVybmV0ZXMtY2EwHhcNMjEwNzA3MDcwOTM2WhcNMzEwNzA3MDcw
    OTM2WjAYMRYwFAYDVQQDEw1rdWJlcm5ldGVzLWNhMFwwDQYJKoZIhvcNAQEBBQAD
    SwAwSAJBAMF6F4aZdpe0RUpyykaBpWwZCnwbffhYGOw+fs6RdLuUq7QCNmJm/Eq7
    WWOziMYDiI9SbclpD+6QiJ0N3EqppVUCAwEAAaNCMEAwDgYDVR0PAQH/BAQDAgEG
    MA8GA1UdEwEB/wQFMAMBAf8wHQYDVR0OBBYEFLImp6ARjPDAH6nhI+scWVt3Q9bn
    MA0GCSqGSIb3DQEBCwUAA0EAVQVx5MUtuAIeePuP9o51xtpT2S6Fvfi8J4ICxnlA
    9B7UD2ushcVFPtaeoL9Gfu8aY4KJBeqqg5ojl4qmRnThjw==
    -----END CERTIFICATE-----
  servers:
  - https://kops-controller.internal.scw-minimal.k8s.local:3988/
InstanceGroupName: nodes-fr-par-1
InstanceGroupRole: Node
NodeupConfigHash: CRgSNjrIlXY1zT6p8kLLtKm1istdXuZNPQoylPnsChI=

__EOF_KUBE_ENV

download-release
echo "== nodeup node config done =="