debian_injection_script.envsubst.sh

#!/bin/bash

# Copyright 2020 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

## Please note that this file needs to be escaped for envsubst to function

# shellcheck disable=SC1083,SC2034,SC2066,SC2193

set -o nounset
set -o pipefail
set -o errexit

[[ $(id -u) != 0 ]] && SUDO="sudo" || SUDO=""

USE_CI_ARTIFACTS=${USE_CI_ARTIFACTS:=false}

if [ ! "${USE_CI_ARTIFACTS}" = true ]; then
  echo "No CI Artifacts installation, exiting"
  exit 0
fi

GSUTIL=gsutil

if ! command -v $${GSUTIL} >/dev/null; then
  apt-get update
  apt-get install -y apt-transport-https ca-certificates gnupg curl
  echo "deb [signed-by=/usr/share/keyrings/cloud.google.gpg] https://packages.cloud.google.com/apt cloud-sdk main" | $${SUDO} tee -a /etc/apt/sources.list.d/google-cloud-sdk.list
  curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | $${SUDO} apt-key --keyring /usr/share/keyrings/cloud.google.gpg add -
  apt-get update
  apt-get install -y google-cloud-sdk
fi

$${GSUTIL} version

# This test installs release packages or binaries that are a result of the CI and release builds.
# It runs '... --version' commands to verify that the binaries are correctly installed
# and finally uninstalls the packages.
# For the release packages it tests all versions in the support skew.
LINE_SEPARATOR="*************************************************"
echo "$${LINE_SEPARATOR}"

## Clusterctl set variables
##
# $${KUBERNETES_VERSION} will be replaced by clusterctl
KUBERNETES_VERSION=${KUBERNETES_VERSION}
##
## End clusterctl set variables

if [[ "$${KUBERNETES_VERSION}" != "" ]]; then
  CI_DIR=/tmp/k8s-ci
  mkdir -p "$${CI_DIR}"
  declare -a PACKAGES_TO_TEST=("kubectl" "kubelet" "kubeadm")
  declare -a CONTAINERS_TO_TEST=("kube-apiserver" "kube-controller-manager" "kube-proxy" "kube-scheduler")
  CONTAINER_EXT="tar"
  echo "* testing CI version $${KUBERNETES_VERSION}"
  # Check for semver
  if [[ "$${KUBERNETES_VERSION}" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
    CI_URL="gs://kubernetes-release/release/$${KUBERNETES_VERSION}/bin/linux/amd64"
    VERSION_WITHOUT_PREFIX="$${KUBERNETES_VERSION#v}"
    DEBIAN_FRONTEND=noninteractive apt-get install -y apt-transport-https curl
    curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
    echo 'deb https://apt.kubernetes.io/ kubernetes-xenial main' >/etc/apt/sources.list.d/kubernetes.list
    apt-get update
    # replace . with \.
    VERSION_REGEX="$${VERSION_WITHOUT_PREFIX//./\\.}"
    PACKAGE_VERSION="$(apt-cache madison kubelet | grep "$${VERSION_REGEX}-" | head -n1 | cut -d '|' -f 2 | tr -d '[:space:]')"
    for CI_PACKAGE in "$${PACKAGES_TO_TEST[@]}"; do
      echo "* installing package: $${CI_PACKAGE} $${PACKAGE_VERSION}"
      DEBIAN_FRONTEND=noninteractive apt-get install -y "$${CI_PACKAGE}=$${PACKAGE_VERSION}"
    done
  else
    CI_URL="gs://kubernetes-release-dev/ci/$${KUBERNETES_VERSION}-bazel/bin/linux/amd64"
    for CI_PACKAGE in "$${PACKAGES_TO_TEST[@]}"; do
      echo "* downloading binary: $${CI_URL}/$${CI_PACKAGE}"
      $${GSUTIL} cp "$${CI_URL}/$${CI_PACKAGE}" "$${CI_DIR}/$${CI_PACKAGE}"
      chmod +x "$${CI_DIR}/$${CI_PACKAGE}"
      mv "$${CI_DIR}/$${CI_PACKAGE}" "/usr/bin/$${CI_PACKAGE}"
    done
    systemctl restart kubelet
  fi
  for CI_CONTAINER in "$${CONTAINERS_TO_TEST[@]}"; do
    echo "* downloading package: $${CI_URL}/$${CI_CONTAINER}.$${CONTAINER_EXT}"
    $${GSUTIL} cp "$${CI_URL}/$${CI_CONTAINER}.$${CONTAINER_EXT}" "$${CI_DIR}/$${CI_CONTAINER}.$${CONTAINER_EXT}"
    $${SUDO} ctr -n k8s.io images import "$${CI_DIR}/$${CI_CONTAINER}.$${CONTAINER_EXT}" || echo "* ignoring expected 'ctr images import' result"
    $${SUDO} ctr -n k8s.io images tag "k8s.gcr.io/$${CI_CONTAINER}-amd64:$${KUBERNETES_VERSION//+/_}" "k8s.gcr.io/$${CI_CONTAINER}:$${KUBERNETES_VERSION//+/_}"
    $${SUDO} ctr -n k8s.io images tag "k8s.gcr.io/$${CI_CONTAINER}-amd64:$${KUBERNETES_VERSION//+/_}" "gcr.io/kubernetes-ci-images/$${CI_CONTAINER}:$${KUBERNETES_VERSION//+/_}"
  done
fi
echo "* checking binary versions"
echo "ctr version: " "$(ctr version)"
echo "kubeadm version: " "$(kubeadm version -o=short)"
echo "kubectl version: " "$(kubectl version --client=true --short=true)"
echo "kubelet version: " "$(kubelet --version)"
echo "$${LINE_SEPARATOR}"