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common.sh
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#!/bin/bash
# Copyright 2014 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.
# Common utilities, variables and checks for all build scripts.
set -o errexit
set -o nounset
set -o pipefail
DOCKER_OPTS=${DOCKER_OPTS:-""}
DOCKER_NATIVE=${DOCKER_NATIVE:-""}
DOCKER=(docker ${DOCKER_OPTS})
DOCKER_HOST=${DOCKER_HOST:-""}
DOCKER_MACHINE_NAME=${DOCKER_MACHINE_NAME:-"kube-dev"}
readonly DOCKER_MACHINE_DRIVER=${DOCKER_MACHINE_DRIVER:-"virtualbox --virtualbox-memory 4096 --virtualbox-cpu-count -1"}
# This will canonicalize the path
KUBE_ROOT=$(cd $(dirname "${BASH_SOURCE}")/.. && pwd -P)
source "${KUBE_ROOT}/hack/lib/init.sh"
# Incoming options
#
readonly KUBE_SKIP_CONFIRMATIONS="${KUBE_SKIP_CONFIRMATIONS:-n}"
readonly KUBE_GCS_UPLOAD_RELEASE="${KUBE_GCS_UPLOAD_RELEASE:-n}"
readonly KUBE_GCS_NO_CACHING="${KUBE_GCS_NO_CACHING:-y}"
readonly KUBE_GCS_MAKE_PUBLIC="${KUBE_GCS_MAKE_PUBLIC:-y}"
# KUBE_GCS_RELEASE_BUCKET default: kubernetes-releases-${project_hash}
readonly KUBE_GCS_RELEASE_PREFIX=${KUBE_GCS_RELEASE_PREFIX-devel}/
readonly KUBE_GCS_DOCKER_REG_PREFIX=${KUBE_GCS_DOCKER_REG_PREFIX-docker-reg}/
readonly KUBE_GCS_PUBLISH_VERSION=${KUBE_GCS_PUBLISH_VERSION:-}
readonly KUBE_GCS_DELETE_EXISTING="${KUBE_GCS_DELETE_EXISTING:-n}"
# Constants
readonly KUBE_BUILD_IMAGE_REPO=kube-build
readonly KUBE_BUILD_IMAGE_CROSS_TAG="$(cat build/build-image/cross/VERSION)"
# KUBE_BUILD_DATA_CONTAINER_NAME=kube-build-data-<hash>"
# Here we map the output directories across both the local and remote _output
# directories:
#
# *_OUTPUT_ROOT - the base of all output in that environment.
# *_OUTPUT_SUBPATH - location where golang stuff is built/cached. Also
# persisted across docker runs with a volume mount.
# *_OUTPUT_BINPATH - location where final binaries are placed. If the remote
# is really remote, this is the stuff that has to be copied
# back.
# OUT_DIR can come in from the Makefile, so honor it.
readonly LOCAL_OUTPUT_ROOT="${KUBE_ROOT}/${OUT_DIR:-_output}"
readonly LOCAL_OUTPUT_SUBPATH="${LOCAL_OUTPUT_ROOT}/dockerized"
readonly LOCAL_OUTPUT_BINPATH="${LOCAL_OUTPUT_SUBPATH}/bin"
readonly LOCAL_OUTPUT_GOPATH="${LOCAL_OUTPUT_SUBPATH}/go"
readonly LOCAL_OUTPUT_IMAGE_STAGING="${LOCAL_OUTPUT_ROOT}/images"
# This is a symlink to binaries for "this platform" (e.g. build tools).
readonly THIS_PLATFORM_BIN="${LOCAL_OUTPUT_ROOT}/bin"
readonly OUTPUT_BINPATH="${CUSTOM_OUTPUT_BINPATH:-$LOCAL_OUTPUT_BINPATH}"
readonly REMOTE_OUTPUT_ROOT="/go/src/${KUBE_GO_PACKAGE}/_output"
readonly REMOTE_OUTPUT_SUBPATH="${REMOTE_OUTPUT_ROOT}/dockerized"
readonly REMOTE_OUTPUT_BINPATH="${REMOTE_OUTPUT_SUBPATH}/bin"
readonly REMOTE_OUTPUT_GOPATH="${REMOTE_OUTPUT_SUBPATH}/go"
readonly DOCKER_MOUNT_ARGS_BASE=(
--volume "${OUTPUT_BINPATH}:${REMOTE_OUTPUT_BINPATH}"
--volume /etc/localtime:/etc/localtime:ro
)
# This is where the final release artifacts are created locally
readonly RELEASE_STAGE="${LOCAL_OUTPUT_ROOT}/release-stage"
readonly RELEASE_DIR="${LOCAL_OUTPUT_ROOT}/release-tars"
readonly GCS_STAGE="${LOCAL_OUTPUT_ROOT}/gcs-stage"
# Get the set of master binaries that run in Docker (on Linux)
# Entry format is "<name-of-binary>,<base-image>".
# Binaries are placed in /usr/local/bin inside the image.
#
# $1 - server architecture
kube::build::get_docker_wrapped_binaries() {
case $1 in
"amd64")
local targets=(
kube-apiserver,busybox
kube-controller-manager,busybox
kube-scheduler,busybox
kube-proxy,gcr.io/google_containers/debian-iptables-amd64:v3
federation-apiserver,busybox
federation-controller-manager,busybox
);;
"arm")
local targets=(
kube-apiserver,armel/busybox
kube-controller-manager,armel/busybox
kube-scheduler,armel/busybox
kube-proxy,gcr.io/google_containers/debian-iptables-arm:v3
federation-apiserver,armel/busybox
federation-controller-manager,armel/busybox
);;
"arm64")
local targets=(
kube-apiserver,aarch64/busybox
kube-controller-manager,aarch64/busybox
kube-scheduler,aarch64/busybox
kube-proxy,gcr.io/google_containers/debian-iptables-arm64:v3
federation-apiserver,aarch64/busybox
federation-controller-manager,aarch64/busybox
);;
"ppc64le")
local targets=(
kube-apiserver,ppc64le/busybox
kube-controller-manager,ppc64le/busybox
kube-scheduler,ppc64le/busybox
kube-proxy,gcr.io/google_containers/debian-iptables-ppc64le:v3
federation-apiserver,ppc64le/busybox
federation-controller-manager,ppc64le/busybox
);;
esac
echo "${targets[@]}"
}
# ---------------------------------------------------------------------------
# Basic setup functions
# Verify that the right utilities and such are installed for building Kube. Set
# up some dynamic constants.
#
# Vars set:
# KUBE_ROOT_HASH
# KUBE_BUILD_IMAGE_TAG
# KUBE_BUILD_IMAGE
# KUBE_BUILD_CONTAINER_NAME
# KUBE_BUILD_DATA_CONTAINER_NAME
# DOCKER_MOUNT_ARGS
# LOCAL_OUTPUT_BUILD_CONTEXT
function kube::build::verify_prereqs() {
kube::log::status "Verifying Prerequisites...."
kube::build::ensure_tar || return 1
kube::build::ensure_docker_in_path || return 1
if kube::build::is_osx; then
kube::build::docker_available_on_osx || return 1
fi
kube::build::ensure_docker_daemon_connectivity || return 1
KUBE_ROOT_HASH=$(kube::build::short_hash "${HOSTNAME:-}:${KUBE_ROOT}")
KUBE_BUILD_IMAGE_TAG="build-${KUBE_ROOT_HASH}"
KUBE_BUILD_IMAGE="${KUBE_BUILD_IMAGE_REPO}:${KUBE_BUILD_IMAGE_TAG}"
KUBE_BUILD_CONTAINER_NAME="kube-build-${KUBE_ROOT_HASH}"
KUBE_BUILD_DATA_CONTAINER_NAME="kube-build-data-${KUBE_ROOT_HASH}"
DOCKER_MOUNT_ARGS=("${DOCKER_MOUNT_ARGS_BASE[@]}" --volumes-from "${KUBE_BUILD_DATA_CONTAINER_NAME}")
LOCAL_OUTPUT_BUILD_CONTEXT="${LOCAL_OUTPUT_IMAGE_STAGING}/${KUBE_BUILD_IMAGE}"
}
# ---------------------------------------------------------------------------
# Utility functions
function kube::build::docker_available_on_osx() {
if [[ -z "${DOCKER_HOST}" ]]; then
if [[ -S "/var/run/docker.sock" ]]; then
kube::log::status "Using Docker for MacOS"
return 0
fi
kube::log::status "No docker host is set. Checking options for setting one..."
if [[ -z "$(which docker-machine)" && -z "$(which boot2docker)" ]]; then
kube::log::status "It looks like you're running Mac OS X, yet none of Docker for Mac, docker-machine or boot2docker are on the path."
kube::log::status "See: https://docs.docker.com/machine/ for installation instructions."
return 1
elif [[ -n "$(which docker-machine)" ]]; then
kube::build::prepare_docker_machine
elif [[ -n "$(which boot2docker)" ]]; then
kube::build::prepare_boot2docker
fi
fi
}
function kube::build::prepare_docker_machine() {
kube::log::status "docker-machine was found."
docker-machine inspect "${DOCKER_MACHINE_NAME}" &> /dev/null || {
kube::log::status "Creating a machine to build Kubernetes"
docker-machine create --driver ${DOCKER_MACHINE_DRIVER} \
--engine-env HTTP_PROXY="${KUBERNETES_HTTP_PROXY:-}" \
--engine-env HTTPS_PROXY="${KUBERNETES_HTTPS_PROXY:-}" \
--engine-env NO_PROXY="${KUBERNETES_NO_PROXY:-127.0.0.1}" \
"${DOCKER_MACHINE_NAME}" > /dev/null || {
kube::log::error "Something went wrong creating a machine."
kube::log::error "Try the following: "
kube::log::error "docker-machine create -d ${DOCKER_MACHINE_DRIVER} ${DOCKER_MACHINE_NAME}"
return 1
}
}
docker-machine start "${DOCKER_MACHINE_NAME}" &> /dev/null
# it takes `docker-machine env` a few seconds to work if the machine was just started
local docker_machine_out
while ! docker_machine_out=$(docker-machine env "${DOCKER_MACHINE_NAME}" 2>&1); do
if [[ ${docker_machine_out} =~ "Error checking TLS connection" ]]; then
echo ${docker_machine_out}
docker-machine regenerate-certs ${DOCKER_MACHINE_NAME}
else
sleep 1
fi
done
eval $(docker-machine env "${DOCKER_MACHINE_NAME}")
kube::log::status "A Docker host using docker-machine named '${DOCKER_MACHINE_NAME}' is ready to go!"
return 0
}
function kube::build::prepare_boot2docker() {
kube::log::status "boot2docker cli has been deprecated in favor of docker-machine."
kube::log::status "See: https://github.com/boot2docker/boot2docker-cli for more details."
if [[ $(boot2docker status) != "running" ]]; then
kube::log::status "boot2docker isn't running. We'll try to start it."
boot2docker up || {
kube::log::error "Can't start boot2docker."
kube::log::error "You may need to 'boot2docker init' to create your VM."
return 1
}
fi
# Reach over and set the clock. After sleep/resume the clock will skew.
kube::log::status "Setting boot2docker clock"
boot2docker ssh sudo date -u -D "%Y%m%d%H%M.%S" --set "$(date -u +%Y%m%d%H%M.%S)" >/dev/null
kube::log::status "Setting boot2docker env variables"
$(boot2docker shellinit)
kube::log::status "boot2docker-vm has been successfully started."
return 0
}
function kube::build::is_osx() {
[[ "$(uname)" == "Darwin" ]]
}
function kube::build::is_gnu_sed() {
[[ $(sed --version 2>&1) == *GNU* ]]
}
function kube::build::update_dockerfile() {
if kube::build::is_gnu_sed; then
sed_opts=(-i)
else
sed_opts=(-i '')
fi
sed "${sed_opts[@]}" "s/KUBE_BUILD_IMAGE_CROSS_TAG/${KUBE_BUILD_IMAGE_CROSS_TAG}/" "${LOCAL_OUTPUT_BUILD_CONTEXT}/Dockerfile"
}
function kube::build::ensure_docker_in_path() {
if [[ -z "$(which docker)" ]]; then
kube::log::error "Can't find 'docker' in PATH, please fix and retry."
kube::log::error "See https://docs.docker.com/installation/#installation for installation instructions."
return 1
fi
}
function kube::build::ensure_docker_daemon_connectivity {
if ! "${DOCKER[@]}" info > /dev/null 2>&1 ; then
{
echo "Can't connect to 'docker' daemon. please fix and retry."
echo
echo "Possible causes:"
echo " - On Mac OS X, DOCKER_HOST hasn't been set. You may need to: "
echo " - Create and start your VM using docker-machine or boot2docker: "
echo " - docker-machine create -d ${DOCKER_MACHINE_DRIVER} ${DOCKER_MACHINE_NAME}"
echo " - boot2docker init && boot2docker start"
echo " - Set your environment variables using: "
echo " - eval \$(docker-machine env ${DOCKER_MACHINE_NAME})"
echo " - \$(boot2docker shellinit)"
echo " - Update your Docker VM"
echo " - Error Message: 'Error response from daemon: client is newer than server (...)' "
echo " - docker-machine upgrade ${DOCKER_MACHINE_NAME}"
echo " - On Linux, user isn't in 'docker' group. Add and relogin."
echo " - Something like 'sudo usermod -a -G docker ${USER-user}'"
echo " - RHEL7 bug and workaround: https://bugzilla.redhat.com/show_bug.cgi?id=1119282#c8"
echo " - On Linux, Docker daemon hasn't been started or has crashed."
} >&2
return 1
fi
}
function kube::build::ensure_tar() {
if [[ -n "${TAR:-}" ]]; then
return
fi
# Find gnu tar if it is available, bomb out if not.
TAR=tar
if which gtar &>/dev/null; then
TAR=gtar
else
if which gnutar &>/dev/null; then
TAR=gnutar
fi
fi
if ! "${TAR}" --version | grep -q GNU; then
echo " !!! Cannot find GNU tar. Build on Linux or install GNU tar"
echo " on Mac OS X (brew install gnu-tar)."
return 1
fi
}
function kube::build::clean_output() {
# Clean out the output directory if it exists.
if kube::build::has_docker ; then
if kube::build::build_image_built ; then
kube::log::status "Cleaning out _output/dockerized/bin/ via docker build image"
kube::build::run_build_command bash -c "rm -rf '${REMOTE_OUTPUT_BINPATH}'/*"
else
kube::log::error "Build image not built. Cannot clean via docker build image."
fi
kube::log::status "Removing data container ${KUBE_BUILD_DATA_CONTAINER_NAME}"
"${DOCKER[@]}" rm -v "${KUBE_BUILD_DATA_CONTAINER_NAME}" >/dev/null 2>&1 || true
fi
kube::log::status "Removing _output directory"
rm -rf "${LOCAL_OUTPUT_ROOT}"
}
# Make sure the _output directory is created and mountable by docker
function kube::build::prepare_output() {
# See auto-creation of host mounts: https://github.com/docker/docker/pull/21666
# if selinux is enabled, docker run -v /foo:/foo:Z will not autocreate the host dir
mkdir -p "${LOCAL_OUTPUT_SUBPATH}"
mkdir -p "${LOCAL_OUTPUT_BINPATH}"
# On RHEL/Fedora SELinux is enabled by default and currently breaks docker
# volume mounts. We can work around this by explicitly adding a security
# context to the _output directory.
# Details: http://www.projectatomic.io/blog/2015/06/using-volumes-with-docker-can-cause-problems-with-selinux/
if which selinuxenabled &>/dev/null && \
selinuxenabled && \
which chcon >/dev/null ; then
if [[ ! $(ls -Zd "${LOCAL_OUTPUT_ROOT}") =~ svirt_sandbox_file_t ]] ; then
kube::log::status "Applying SELinux policy to '_output' directory."
if ! chcon -Rt svirt_sandbox_file_t "${LOCAL_OUTPUT_ROOT}"; then
echo " ***Failed***. This may be because you have root owned files under _output."
echo " Continuing, but this build may fail later if SELinux prevents access."
fi
fi
number=${#DOCKER_MOUNT_ARGS[@]}
for (( i=0; i<number; i++ )); do
if [[ "${DOCKER_MOUNT_ARGS[i]}" =~ "${KUBE_ROOT}" ]]; then
## Ensure we don't label the argument multiple times
if [[ ! "${DOCKER_MOUNT_ARGS[i]}" == *:Z ]]; then
DOCKER_MOUNT_ARGS[i]="${DOCKER_MOUNT_ARGS[i]}:Z"
fi
fi
done
fi
}
function kube::build::has_docker() {
which docker &> /dev/null
}
# Detect if a specific image exists
#
# $1 - image repo name
# #2 - image tag
function kube::build::docker_image_exists() {
[[ -n $1 && -n $2 ]] || {
kube::log::error "Internal error. Image not specified in docker_image_exists."
exit 2
}
# We cannot just specify the IMAGE here as `docker images` doesn't behave as
# expected. See: https://github.com/docker/docker/issues/8048
"${DOCKER[@]}" images | grep -Eq "^(\S+/)?${1}\s+${2}\s+"
}
# Takes $1 and computes a short has for it. Useful for unique tag generation
function kube::build::short_hash() {
[[ $# -eq 1 ]] || {
kube::log::error "Internal error. No data based to short_hash."
exit 2
}
local short_hash
if which md5 >/dev/null 2>&1; then
short_hash=$(md5 -q -s "$1")
else
short_hash=$(echo -n "$1" | md5sum)
fi
echo ${short_hash:0:10}
}
# Pedantically kill, wait-on and remove a container. The -f -v options
# to rm don't actually seem to get the job done, so force kill the
# container, wait to ensure it's stopped, then try the remove. This is
# a workaround for bug https://github.com/docker/docker/issues/3968.
function kube::build::destroy_container() {
"${DOCKER[@]}" kill "$1" >/dev/null 2>&1 || true
"${DOCKER[@]}" wait "$1" >/dev/null 2>&1 || true
"${DOCKER[@]}" rm -f -v "$1" >/dev/null 2>&1 || true
}
# Validate a release version
#
# Globals:
# None
# Arguments:
# version
# Returns:
# If version is a valid release version
# Sets: (e.g. for '1.2.3-alpha.4')
# VERSION_MAJOR (e.g. '1')
# VERSION_MINOR (e.g. '2')
# VERSION_PATCH (e.g. '3')
# VERSION_EXTRA (e.g. '-alpha.4')
# VERSION_PRERELEASE (e.g. 'alpha')
# VERSION_PRERELEASE_REV (e.g. '4')
function kube::release::parse_and_validate_release_version() {
local -r version_regex="^v(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)(-(beta|alpha)\\.(0|[1-9][0-9]*))?$"
local -r version="${1-}"
[[ "${version}" =~ ${version_regex} ]] || {
kube::log::error "Invalid release version: '${version}', must match regex ${version_regex}"
return 1
}
VERSION_MAJOR="${BASH_REMATCH[1]}"
VERSION_MINOR="${BASH_REMATCH[2]}"
VERSION_PATCH="${BASH_REMATCH[3]}"
VERSION_EXTRA="${BASH_REMATCH[4]}"
VERSION_PRERELEASE="${BASH_REMATCH[5]}"
VERSION_PRERELEASE_REV="${BASH_REMATCH[6]}"
}
# Validate a ci version
#
# Globals:
# None
# Arguments:
# version
# Returns:
# If version is a valid ci version
# Sets: (e.g. for '1.2.3-alpha.4.56+abcdef12345678')
# VERSION_MAJOR (e.g. '1')
# VERSION_MINOR (e.g. '2')
# VERSION_PATCH (e.g. '3')
# VERSION_PRERELEASE (e.g. 'alpha')
# VERSION_PRERELEASE_REV (e.g. '4')
# VERSION_BUILD_INFO (e.g. '.56+abcdef12345678')
# VERSION_COMMITS (e.g. '56')
function kube::release::parse_and_validate_ci_version() {
# Accept things like "v1.2.3-alpha.4.56+abcdef12345678" or "v1.2.3-beta.4"
local -r version_regex="^v(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)-(beta|alpha)\\.(0|[1-9][0-9]*)(\\.(0|[1-9][0-9]*)\\+[0-9a-f]{7,40})?$"
local -r version="${1-}"
[[ "${version}" =~ ${version_regex} ]] || {
kube::log::error "Invalid ci version: '${version}', must match regex ${version_regex}"
return 1
}
VERSION_MAJOR="${BASH_REMATCH[1]}"
VERSION_MINOR="${BASH_REMATCH[2]}"
VERSION_PATCH="${BASH_REMATCH[3]}"
VERSION_PRERELEASE="${BASH_REMATCH[4]}"
VERSION_PRERELEASE_REV="${BASH_REMATCH[5]}"
VERSION_BUILD_INFO="${BASH_REMATCH[6]}"
VERSION_COMMITS="${BASH_REMATCH[7]}"
}
# ---------------------------------------------------------------------------
# Building
function kube::build::build_image_built() {
kube::build::docker_image_exists "${KUBE_BUILD_IMAGE_REPO}" "${KUBE_BUILD_IMAGE_TAG}"
}
# The set of source targets to include in the kube-build image
function kube::build::source_targets() {
local targets=(
$(find . -mindepth 1 -maxdepth 1 -not \( \
\( -path ./_\* -o -path ./.git\* \) -prune \
\))
)
echo "${targets[@]}"
}
# Set up the context directory for the kube-build image and build it.
function kube::build::build_image() {
kube::build::ensure_tar
mkdir -p "${LOCAL_OUTPUT_BUILD_CONTEXT}"
"${TAR}" czf "${LOCAL_OUTPUT_BUILD_CONTEXT}/kube-source.tar.gz" $(kube::build::source_targets)
kube::version::get_version_vars
kube::version::save_version_vars "${LOCAL_OUTPUT_BUILD_CONTEXT}/kube-version-defs"
cp build/build-image/Dockerfile "${LOCAL_OUTPUT_BUILD_CONTEXT}/Dockerfile"
kube::build::update_dockerfile
kube::build::docker_build "${KUBE_BUILD_IMAGE}" "${LOCAL_OUTPUT_BUILD_CONTEXT}" 'false'
}
# Build a docker image from a Dockerfile.
# $1 is the name of the image to build
# $2 is the location of the "context" directory, with the Dockerfile at the root.
# $3 is the value to set the --pull flag for docker build; true by default
function kube::build::docker_build() {
local -r image=$1
local -r context_dir=$2
local -r pull="${3:-true}"
local -ra build_cmd=("${DOCKER[@]}" build -t "${image}" "--pull=${pull}" "${context_dir}")
kube::log::status "Building Docker image ${image}"
local docker_output
docker_output=$("${build_cmd[@]}" 2>&1) || {
cat <<EOF >&2
+++ Docker build command failed for ${image}
${docker_output}
To retry manually, run:
${build_cmd[*]}
EOF
return 1
}
}
function kube::build::clean_image() {
local -r image=$1
kube::log::status "Deleting docker image ${image}"
"${DOCKER[@]}" rmi ${image} 2> /dev/null || true
}
function kube::build::clean_images() {
kube::build::has_docker || return 0
kube::build::clean_image "${KUBE_BUILD_IMAGE}"
kube::log::status "Cleaning all other untagged docker images"
"${DOCKER[@]}" rmi $("${DOCKER[@]}" images -q --filter 'dangling=true') 2> /dev/null || true
}
function kube::build::ensure_data_container() {
# If the data container exists AND exited successfully, we can use it.
# Otherwise nuke it and start over.
local ret=0
local code=$(docker inspect \
-f '{{.State.ExitCode}}' \
"${KUBE_BUILD_DATA_CONTAINER_NAME}" 2>/dev/null || ret=$?)
if [[ "${ret}" == 0 && "${code}" != 0 ]]; then
kube::build::destroy_container "${KUBE_BUILD_DATA_CONTAINER_NAME}"
ret=1
fi
if [[ "${ret}" != 0 ]]; then
kube::log::status "Creating data container ${KUBE_BUILD_DATA_CONTAINER_NAME}"
# We have to ensure the directory exists, or else the docker run will
# create it as root.
mkdir -p "${LOCAL_OUTPUT_GOPATH}"
# We want this to run as root to be able to chown, so non-root users can
# later use the result as a data container. This run both creates the data
# container and chowns the GOPATH.
local -ra docker_cmd=(
"${DOCKER[@]}" run
--volume "${REMOTE_OUTPUT_GOPATH}"
--name "${KUBE_BUILD_DATA_CONTAINER_NAME}"
--hostname "${HOSTNAME}"
"${KUBE_BUILD_IMAGE}"
chown -R $(id -u).$(id -g) "${REMOTE_OUTPUT_GOPATH}"
)
"${docker_cmd[@]}"
fi
}
# Run a command in the kube-build image. This assumes that the image has
# already been built. This will sync out all output data from the build.
function kube::build::run_build_command() {
kube::log::status "Running build command...."
[[ $# != 0 ]] || { echo "Invalid input - please specify a command to run." >&2; return 4; }
kube::build::ensure_data_container
kube::build::prepare_output
local -a docker_run_opts=(
"--name=${KUBE_BUILD_CONTAINER_NAME}"
"--user=$(id -u):$(id -g)"
"--hostname=${HOSTNAME}"
"${DOCKER_MOUNT_ARGS[@]}"
)
if [ -n "${KUBERNETES_CONTRIB:-}" ]; then
docker_run_opts+=(-e "KUBERNETES_CONTRIB=${KUBERNETES_CONTRIB}")
fi
docker_run_opts+=(
--env "KUBE_FASTBUILD=${KUBE_FASTBUILD:-false}"
--env "KUBE_BUILDER_OS=${OSTYPE:-notdetected}"
)
# If we have stdin we can run interactive. This allows things like 'shell.sh'
# to work. However, if we run this way and don't have stdin, then it ends up
# running in a daemon-ish mode. So if we don't have a stdin, we explicitly
# attach stderr/stdout but don't bother asking for a tty.
if [[ -t 0 ]]; then
docker_run_opts+=(--interactive --tty)
else
docker_run_opts+=(--attach=stdout --attach=stderr)
fi
local -ra docker_cmd=(
"${DOCKER[@]}" run "${docker_run_opts[@]}" "${KUBE_BUILD_IMAGE}")
# Clean up container from any previous run
kube::build::destroy_container "${KUBE_BUILD_CONTAINER_NAME}"
"${docker_cmd[@]}" "$@"
kube::build::destroy_container "${KUBE_BUILD_CONTAINER_NAME}"
}
# Test if the output directory is remote (and can only be accessed through
# docker) or if it is "local" and we can access the output without going through
# docker.
function kube::build::is_output_remote() {
rm -f "${LOCAL_OUTPUT_SUBPATH}/test_for_remote"
kube::build::run_build_command touch "${REMOTE_OUTPUT_BINPATH}/test_for_remote"
[[ ! -e "${LOCAL_OUTPUT_BINPATH}/test_for_remote" ]]
}
# If the Docker server is remote, copy the results back out.
function kube::build::copy_output() {
if kube::build::is_output_remote; then
# At time of this code, docker cp does not work when copying from a volume.
# As a workaround, the binaries are first copied to a local filesystem,
# /tmp, then docker cp'd to the local binaries output directory.
# The fix for the volume bug has been accepted and once it's widely
# deployed the code below should be simplified to a simple docker cp
# Bug: https://github.com/docker/docker/pull/8509
local -a docker_run_opts=(
"--name=${KUBE_BUILD_CONTAINER_NAME}"
"--user=$(id -u):$(id -g)"
"${DOCKER_MOUNT_ARGS[@]}"
-d
)
local -ra docker_cmd=(
"${DOCKER[@]}" run "${docker_run_opts[@]}" "${KUBE_BUILD_IMAGE}"
)
kube::log::status "Syncing back _output/dockerized/bin directory from remote Docker"
rm -rf "${LOCAL_OUTPUT_BINPATH}"
mkdir -p "${LOCAL_OUTPUT_BINPATH}"
rm -f "${THIS_PLATFORM_BIN}"
ln -s "${LOCAL_OUTPUT_BINPATH}" "${THIS_PLATFORM_BIN}"
kube::build::destroy_container "${KUBE_BUILD_CONTAINER_NAME}"
"${docker_cmd[@]}" bash -c "cp -r ${REMOTE_OUTPUT_BINPATH} /tmp/bin;touch /tmp/finished;rm /tmp/bin/test_for_remote;/bin/sleep 600" > /dev/null 2>&1
# Wait until binaries have finished coppying
count=0
while true;do
if "${DOCKER[@]}" cp "${KUBE_BUILD_CONTAINER_NAME}:/tmp/finished" "${LOCAL_OUTPUT_BINPATH}" > /dev/null 2>&1;then
"${DOCKER[@]}" cp "${KUBE_BUILD_CONTAINER_NAME}:/tmp/bin" "${LOCAL_OUTPUT_SUBPATH}"
break;
fi
let count=count+1
if [[ $count -eq 60 ]]; then
# break after 5m
kube::log::error "Timed out waiting for binaries..."
break
fi
sleep 5
done
"${DOCKER[@]}" rm -f -v "${KUBE_BUILD_CONTAINER_NAME}" >/dev/null 2>&1 || true
else
kube::log::status "Output directory is local. No need to copy results out."
fi
}
# ---------------------------------------------------------------------------
# Build final release artifacts
function kube::release::clean_cruft() {
# Clean out cruft
find ${RELEASE_STAGE} -name '*~' -exec rm {} \;
find ${RELEASE_STAGE} -name '#*#' -exec rm {} \;
find ${RELEASE_STAGE} -name '.DS*' -exec rm {} \;
}
function kube::release::package_hyperkube() {
# If we have these variables set then we want to build all docker images.
if [[ -n "${KUBE_DOCKER_IMAGE_TAG-}" && -n "${KUBE_DOCKER_REGISTRY-}" ]]; then
for arch in "${KUBE_SERVER_PLATFORMS[@]##*/}"; do
# TODO(IBM): Enable hyperkube builds for ppc64le again
if [[ ${arch} != "ppc64le" ]]; then
kube::log::status "Building hyperkube image for arch: ${arch}"
REGISTRY="${KUBE_DOCKER_REGISTRY}" VERSION="${KUBE_DOCKER_IMAGE_TAG}" ARCH="${arch}" make -C cluster/images/hyperkube/ build
fi
done
fi
}
function kube::release::package_tarballs() {
# Clean out any old releases
rm -rf "${RELEASE_DIR}"
mkdir -p "${RELEASE_DIR}"
kube::release::package_build_image_tarball &
kube::release::package_client_tarballs &
kube::release::package_server_tarballs &
kube::release::package_salt_tarball &
kube::release::package_kube_manifests_tarball &
kube::util::wait-for-jobs || { kube::log::error "previous tarball phase failed"; return 1; }
kube::release::package_full_tarball & # _full depends on all the previous phases
kube::release::package_test_tarball & # _test doesn't depend on anything
kube::util::wait-for-jobs || { kube::log::error "previous tarball phase failed"; return 1; }
}
# Package the build image we used from the previous stage, for compliance/licensing/audit/yadda.
function kube::release::package_build_image_tarball() {
kube::log::status "Building tarball: src"
"${TAR}" czf "${RELEASE_DIR}/kubernetes-src.tar.gz" -C "${LOCAL_OUTPUT_BUILD_CONTEXT}" .
}
# Package up all of the cross compiled clients. Over time this should grow into
# a full SDK
function kube::release::package_client_tarballs() {
# Find all of the built client binaries
local platform platforms
platforms=($(cd "${LOCAL_OUTPUT_BINPATH}" ; echo */*))
for platform in "${platforms[@]}"; do
local platform_tag=${platform/\//-} # Replace a "/" for a "-"
kube::log::status "Starting tarball: client $platform_tag"
(
local release_stage="${RELEASE_STAGE}/client/${platform_tag}/kubernetes"
rm -rf "${release_stage}"
mkdir -p "${release_stage}/client/bin"
local client_bins=("${KUBE_CLIENT_BINARIES[@]}")
if [[ "${platform%/*}" == "windows" ]]; then
client_bins=("${KUBE_CLIENT_BINARIES_WIN[@]}")
fi
# This fancy expression will expand to prepend a path
# (${LOCAL_OUTPUT_BINPATH}/${platform}/) to every item in the
# KUBE_CLIENT_BINARIES array.
cp "${client_bins[@]/#/${LOCAL_OUTPUT_BINPATH}/${platform}/}" \
"${release_stage}/client/bin/"
kube::release::clean_cruft
local package_name="${RELEASE_DIR}/kubernetes-client-${platform_tag}.tar.gz"
kube::release::create_tarball "${package_name}" "${release_stage}/.."
) &
done
kube::log::status "Waiting on tarballs"
kube::util::wait-for-jobs || { kube::log::error "client tarball creation failed"; exit 1; }
}
# Package up all of the server binaries
function kube::release::package_server_tarballs() {
local platform
for platform in "${KUBE_SERVER_PLATFORMS[@]}"; do
local platform_tag=${platform/\//-} # Replace a "/" for a "-"
local arch=$(basename ${platform})
kube::log::status "Building tarball: server $platform_tag"
local release_stage="${RELEASE_STAGE}/server/${platform_tag}/kubernetes"
rm -rf "${release_stage}"
mkdir -p "${release_stage}/server/bin"
mkdir -p "${release_stage}/addons"
# This fancy expression will expand to prepend a path
# (${LOCAL_OUTPUT_BINPATH}/${platform}/) to every item in the
# KUBE_SERVER_BINARIES array.
cp "${KUBE_SERVER_BINARIES[@]/#/${LOCAL_OUTPUT_BINPATH}/${platform}/}" \
"${release_stage}/server/bin/"
kube::release::create_docker_images_for_server "${release_stage}/server/bin" "${arch}"
# Include the client binaries here too as they are useful debugging tools.
local client_bins=("${KUBE_CLIENT_BINARIES[@]}")
if [[ "${platform%/*}" == "windows" ]]; then
client_bins=("${KUBE_CLIENT_BINARIES_WIN[@]}")
fi
cp "${client_bins[@]/#/${LOCAL_OUTPUT_BINPATH}/${platform}/}" \
"${release_stage}/server/bin/"
cp "${KUBE_ROOT}/Godeps/LICENSES" "${release_stage}/"
cp "${RELEASE_DIR}/kubernetes-src.tar.gz" "${release_stage}/"
kube::release::clean_cruft
local package_name="${RELEASE_DIR}/kubernetes-server-${platform_tag}.tar.gz"
kube::release::create_tarball "${package_name}" "${release_stage}/.."
done
}
function kube::release::md5() {
if which md5 >/dev/null 2>&1; then
md5 -q "$1"
else
md5sum "$1" | awk '{ print $1 }'
fi
}
function kube::release::sha1() {
if which shasum >/dev/null 2>&1; then
shasum -a1 "$1" | awk '{ print $1 }'
else
sha1sum "$1" | awk '{ print $1 }'
fi
}
# This will take binaries that run on master and creates Docker images
# that wrap the binary in them. (One docker image per binary)
# Args:
# $1 - binary_dir, the directory to save the tared images to.
# $2 - arch, architecture for which we are building docker images.
function kube::release::create_docker_images_for_server() {
# Create a sub-shell so that we don't pollute the outer environment
(
local binary_dir="$1"
local arch="$2"
local binary_name
local binaries=($(kube::build::get_docker_wrapped_binaries ${arch}))
for wrappable in "${binaries[@]}"; do
local oldifs=$IFS
IFS=","
set $wrappable
IFS=$oldifs
local binary_name="$1"
local base_image="$2"
kube::log::status "Starting Docker build for image: ${binary_name}"
(
local md5_sum
md5_sum=$(kube::release::md5 "${binary_dir}/${binary_name}")
local docker_build_path="${binary_dir}/${binary_name}.dockerbuild"
local docker_file_path="${docker_build_path}/Dockerfile"
local binary_file_path="${binary_dir}/${binary_name}"
rm -rf ${docker_build_path}
mkdir -p ${docker_build_path}
ln ${binary_dir}/${binary_name} ${docker_build_path}/${binary_name}
printf " FROM ${base_image} \n ADD ${binary_name} /usr/local/bin/${binary_name}\n" > ${docker_file_path}
if [[ ${arch} == "amd64" ]]; then
# If we are building a amd64 docker image, preserve the original image name
local docker_image_tag=gcr.io/google_containers/${binary_name}:${md5_sum}
else
# If we are building a docker image for another architecture, append the arch in the image tag
local docker_image_tag=gcr.io/google_containers/${binary_name}-${arch}:${md5_sum}
fi
"${DOCKER[@]}" build -q -t "${docker_image_tag}" ${docker_build_path} >/dev/null
"${DOCKER[@]}" save ${docker_image_tag} > ${binary_dir}/${binary_name}.tar
echo $md5_sum > ${binary_dir}/${binary_name}.docker_tag
rm -rf ${docker_build_path}
# If we are building an official/alpha/beta release we want to keep docker images
# and tag them appropriately.
if [[ -n "${KUBE_DOCKER_IMAGE_TAG-}" && -n "${KUBE_DOCKER_REGISTRY-}" ]]; then
local release_docker_image_tag="${KUBE_DOCKER_REGISTRY}/${binary_name}-${arch}:${KUBE_DOCKER_IMAGE_TAG}"
kube::log::status "Tagging docker image ${docker_image_tag} as ${release_docker_image_tag}"
"${DOCKER[@]}" tag -f "${docker_image_tag}" "${release_docker_image_tag}" 2>/dev/null
fi
kube::log::status "Deleting docker image ${docker_image_tag}"
"${DOCKER[@]}" rmi ${docker_image_tag} 2>/dev/null || true
) &
done
kube::util::wait-for-jobs || { kube::log::error "previous Docker build failed"; return 1; }
kube::log::status "Docker builds done"
)
}
# Package up the salt configuration tree. This is an optional helper to getting
# a cluster up and running.
function kube::release::package_salt_tarball() {
kube::log::status "Building tarball: salt"
local release_stage="${RELEASE_STAGE}/salt/kubernetes"
rm -rf "${release_stage}"
mkdir -p "${release_stage}"
cp -R "${KUBE_ROOT}/cluster/saltbase" "${release_stage}/"
# TODO(#3579): This is a temporary hack. It gathers up the yaml,
# yaml.in, json files in cluster/addons (minus any demos) and overlays
# them into kube-addons, where we expect them. (This pipeline is a
# fancy copy, stripping anything but the files we don't want.)
local objects
objects=$(cd "${KUBE_ROOT}/cluster/addons" && find . \( -name \*.yaml -or -name \*.yaml.in -or -name \*.json \) | grep -v demo)
tar c -C "${KUBE_ROOT}/cluster/addons" ${objects} | tar x -C "${release_stage}/saltbase/salt/kube-addons"
kube::release::clean_cruft
local package_name="${RELEASE_DIR}/kubernetes-salt.tar.gz"
kube::release::create_tarball "${package_name}" "${release_stage}/.."
}
# This will pack kube-system manifests files for distros without using salt
# such as GCI and Ubuntu Trusty. We directly copy manifests from
# cluster/addons and cluster/saltbase/salt. The script of cluster initialization
# will remove the salt configuration and evaluate the variables in the manifests.
function kube::release::package_kube_manifests_tarball() {
kube::log::status "Building tarball: manifests"
local release_stage="${RELEASE_STAGE}/manifests/kubernetes"
rm -rf "${release_stage}"
local dst_dir="${release_stage}/gci-trusty"
mkdir -p "${dst_dir}"
local salt_dir="${KUBE_ROOT}/cluster/saltbase/salt"
cp "${salt_dir}/cluster-autoscaler/cluster-autoscaler.manifest" "${dst_dir}/"
cp "${salt_dir}/fluentd-es/fluentd-es.yaml" "${release_stage}/"
cp "${salt_dir}/fluentd-gcp/fluentd-gcp.yaml" "${release_stage}/"
cp "${salt_dir}/kube-registry-proxy/kube-registry-proxy.yaml" "${release_stage}/"
cp "${salt_dir}/kube-proxy/kube-proxy.manifest" "${release_stage}/"
cp "${salt_dir}/etcd/etcd.manifest" "${dst_dir}"
cp "${salt_dir}/kube-scheduler/kube-scheduler.manifest" "${dst_dir}"
cp "${salt_dir}/kube-apiserver/kube-apiserver.manifest" "${dst_dir}"
cp "${salt_dir}/kube-apiserver/abac-authz-policy.jsonl" "${dst_dir}"
cp "${salt_dir}/kube-controller-manager/kube-controller-manager.manifest" "${dst_dir}"
cp "${salt_dir}/kube-addons/kube-addon-manager.yaml" "${dst_dir}"
cp "${salt_dir}/l7-gcp/glbc.manifest" "${dst_dir}"
cp "${KUBE_ROOT}/cluster/gce/trusty/configure-helper.sh" "${dst_dir}/trusty-configure-helper.sh"
cp "${KUBE_ROOT}/cluster/gce/gci/configure-helper.sh" "${dst_dir}/gci-configure-helper.sh"
cp "${KUBE_ROOT}/cluster/gce/gci/health-monitor.sh" "${dst_dir}/health-monitor.sh"
cp -r "${salt_dir}/kube-admission-controls/limit-range" "${dst_dir}"
local objects
objects=$(cd "${KUBE_ROOT}/cluster/addons" && find . \( -name \*.yaml -or -name \*.yaml.in -or -name \*.json \) | grep -v demo)
tar c -C "${KUBE_ROOT}/cluster/addons" ${objects} | tar x -C "${dst_dir}"
# This is for coreos only. ContainerVM, GCI, or Trusty does not use it.
cp -r "${KUBE_ROOT}/cluster/gce/coreos/kube-manifests"/* "${release_stage}/"
kube::release::clean_cruft
local package_name="${RELEASE_DIR}/kubernetes-manifests.tar.gz"
kube::release::create_tarball "${package_name}" "${release_stage}/.."
}
# This is the stuff you need to run tests from the binary distribution.
function kube::release::package_test_tarball() {
kube::log::status "Building tarball: test"
local release_stage="${RELEASE_STAGE}/test/kubernetes"
rm -rf "${release_stage}"
mkdir -p "${release_stage}"
local platform
for platform in "${KUBE_TEST_PLATFORMS[@]}"; do
local test_bins=("${KUBE_TEST_BINARIES[@]}")
if [[ "${platform%/*}" == "windows" ]]; then
test_bins=("${KUBE_TEST_BINARIES_WIN[@]}")
fi
mkdir -p "${release_stage}/platforms/${platform}"
cp "${test_bins[@]/#/${LOCAL_OUTPUT_BINPATH}/${platform}/}" \
"${release_stage}/platforms/${platform}"
done
# Add the test image files
mkdir -p "${release_stage}/test/images"
cp -fR "${KUBE_ROOT}/test/images" "${release_stage}/test/"
tar c ${KUBE_TEST_PORTABLE[@]} | tar x -C ${release_stage}
kube::release::clean_cruft
local package_name="${RELEASE_DIR}/kubernetes-test.tar.gz"
kube::release::create_tarball "${package_name}" "${release_stage}/.."
}
# This is all the stuff you need to run/install kubernetes. This includes:
# - precompiled binaries for client
# - Cluster spin up/down scripts and configs for various cloud providers
# - tarballs for server binary and salt configs that are ready to be uploaded
# to master by whatever means appropriate.
function kube::release::package_full_tarball() {
kube::log::status "Building tarball: full"