Merge pull request #6369 from zmerlynn/i6346

Redo on building platforms in parallel
This commit is contained in:
Brendan Burns
2015-04-03 11:19:35 -07:00
2 changed files with 181 additions and 88 deletions

View File

@@ -505,11 +505,14 @@ function kube::release::package_tarballs() {
# Clean out any old releases
rm -rf "${RELEASE_DIR}"
mkdir -p "${RELEASE_DIR}"
kube::release::package_client_tarballs
kube::release::package_server_tarballs
kube::release::package_salt_tarball
kube::release::package_test_tarball
kube::release::package_full_tarball
kube::release::package_client_tarballs &
kube::release::package_server_tarballs &
kube::release::package_salt_tarball &
wait || { 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
wait || { kube::log::error "previous tarball phase failed"; return 1; }
}
# Package up all of the cross compiled clients. Over time this should grow into
@@ -518,10 +521,11 @@ 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 "${platforms[@]}" ; do
for platform in "${platforms[@]}"; do
local platform_tag=${platform/\//-} # Replace a "/" for a "-"
kube::log::status "Building tarball: client $platform_tag"
kube::log::status "Starting tarball: client $platform_tag"
(
local release_stage="${RELEASE_STAGE}/client/${platform_tag}/kubernetes"
rm -rf "${release_stage}"
mkdir -p "${release_stage}/client/bin"
@@ -541,7 +545,11 @@ function kube::release::package_client_tarballs() {
local package_name="${RELEASE_DIR}/kubernetes-client-${platform_tag}.tar.gz"
kube::release::create_tarball "${package_name}" "${release_stage}/.."
) &
done
kube::log::status "Waiting on tarballs"
wait || { kube::log::error "client tarball creation failed"; exit 1; }
}
# Package up all of the server binaries
@@ -578,27 +586,41 @@ function kube::release::package_server_tarballs() {
done
}
function kube::release::md5() {
if which md5 >/dev/null 2>&1; then
md5 -q "$1"
else
md5sum "$1" | awk '{ print $1 }'
fi
}
# This will take binaries that run on master and creates Docker images
# that wrap the binary in them. (One docker image per binary)
function kube::release::create_docker_images_for_server() {
# Create a sub-shell so that we don't pollute the outer environment
(
local binary_name;
local binary_name
for binary_name in "${KUBE_DOCKER_WRAPPED_BINARIES[@]}"; do
echo "+++ Building docker image: ${binary_name}";
local docker_file_path="$1/Dockerfile";
local binary_file_path="$1/${binary_name}";
kube::log::status "Starting Docker build for image: ${binary_name}"
(
local docker_file_path="$1/${binary_name}.Dockerfile"
local binary_file_path="$1/${binary_name}"
if [ -f ${docker_file_path} ]; then
rm ${docker_file_path};
fi;
printf " FROM scratch \n ADD ${binary_name} /${binary_name} \n ENTRYPOINT [ \"/${binary_name}\" ]\n" >> ${docker_file_path};
local md5_sum=$(md5sum ${binary_file_path} | awk '{print $1}')
rm ${docker_file_path}
fi
printf " FROM scratch \n ADD ${binary_name} /${binary_name} \n ENTRYPOINT [ \"/${binary_name}\" ]\n" >> ${docker_file_path}
local md5_sum=$(kube::release::md5 ${binary_file_path})
local docker_image_tag=gcr.io/google_containers/$binary_name:$md5_sum
docker build -t "${docker_image_tag}" ${1};
docker save ${docker_image_tag} > ${1}/${binary_name}.tar;
echo $md5_sum > ${1}/${binary_name}.docker_tag;
rm ${docker_file_path};
docker build -q -f "${docker_file_path}" -t "${docker_image_tag}" ${1} >/dev/null
docker save ${docker_image_tag} > ${1}/${binary_name}.tar
echo $md5_sum > ${1}/${binary_name}.docker_tag
rm ${docker_file_path}
) &
done
wait || { kube::log::error "previous Docker build failed"; return 1; }
kube::log::status "Docker builds done"
)
}

View File

@@ -72,6 +72,11 @@ readonly KUBE_CLIENT_PLATFORMS=(
windows/amd64
)
# Gigabytes desired for parallel platform builds. 8 is fairly
# arbitrary, but is a reasonable splitting point for 2015
# laptops-versus-not.
readonly KUBE_PARALLEL_BUILD_MEMORY=8
readonly KUBE_ALL_TARGETS=(
"${KUBE_SERVER_TARGETS[@]}"
"${KUBE_CLIENT_TARGETS[@]}"
@@ -263,60 +268,9 @@ kube::golang::exit_if_stdlib_not_installed() {
exit 0;
}
# Build binaries targets specified
#
# Input:
# $@ - targets and go flags. If no targets are set then all binaries targets
# are built.
# KUBE_BUILD_PLATFORMS - Incoming variable of targets to build for. If unset
# then just the host architecture is built.
kube::golang::build_binaries() {
# Create a sub-shell so that we don't pollute the outer environment
(
# Check for `go` binary and set ${GOPATH}.
kube::golang::setup_env
# Fetch the version.
local version_ldflags
version_ldflags=$(kube::version::ldflags)
local host_platform
host_platform=$(kube::golang::host_platform)
# Use eval to preserve embedded quoted strings.
local goflags
eval "goflags=(${KUBE_GOFLAGS:-})"
local use_go_build
local -a targets=()
local arg
for arg; do
if [[ "${arg}" == "--use_go_build" ]]; then
use_go_build=true
elif [[ "${arg}" == -* ]]; then
# Assume arguments starting with a dash are flags to pass to go.
goflags+=("${arg}")
else
targets+=("${arg}")
fi
done
if [[ ${#targets[@]} -eq 0 ]]; then
targets=("${KUBE_ALL_TARGETS[@]}")
fi
local -a platforms=("${KUBE_BUILD_PLATFORMS[@]:+${KUBE_BUILD_PLATFORMS[@]}}")
if [[ ${#platforms[@]} -eq 0 ]]; then
platforms=("${host_platform}")
fi
local binaries
binaries=($(kube::golang::binaries_from_targets "${targets[@]}"))
local platform
for platform in "${platforms[@]}"; do
kube::golang::set_platform_envs "${platform}"
kube::log::status "Building go targets for ${platform}:" "${targets[@]}"
kube::golang::build_binaries_for_platform() {
local platform=$1
local use_go_build=${2-}
local -a statics=()
local -a nonstatics=()
@@ -369,6 +323,123 @@ kube::golang::build_binaries() {
"${statics[@]:+${statics[@]}}"
fi
fi
}
# Return approximate physical memory in gigabytes.
kube::golang::get_physmem() {
local mem
# Linux, in kb
if mem=$(grep MemTotal /proc/meminfo | awk '{ print $2 }'); then
echo $(( ${mem} / 1048576 ))
return
fi
# OS X, in bytes. Note that get_physmem, as used, should only ever
# run in a Linux container (because it's only used in the multiple
# platform case, which is a Dockerized build), but this is provided
# for completeness.
if mem=$(sysctl -n hw.memsize 2>/dev/null); then
echo $(( ${mem} / 1073741824 ))
return
fi
# If we can't infer it, just give up and assume a low memory system
echo 1
}
# Build binaries targets specified
#
# Input:
# $@ - targets and go flags. If no targets are set then all binaries targets
# are built.
# KUBE_BUILD_PLATFORMS - Incoming variable of targets to build for. If unset
# then just the host architecture is built.
kube::golang::build_binaries() {
# Create a sub-shell so that we don't pollute the outer environment
(
# Check for `go` binary and set ${GOPATH}.
kube::golang::setup_env
# Fetch the version.
local version_ldflags
version_ldflags=$(kube::version::ldflags)
local host_platform
host_platform=$(kube::golang::host_platform)
# Use eval to preserve embedded quoted strings.
local goflags
eval "goflags=(${KUBE_GOFLAGS:-})"
local use_go_build
local -a targets=()
local arg
for arg; do
if [[ "${arg}" == "--use_go_build" ]]; then
use_go_build=true
elif [[ "${arg}" == -* ]]; then
# Assume arguments starting with a dash are flags to pass to go.
goflags+=("${arg}")
else
targets+=("${arg}")
fi
done
if [[ ${#targets[@]} -eq 0 ]]; then
targets=("${KUBE_ALL_TARGETS[@]}")
fi
local -a platforms=("${KUBE_BUILD_PLATFORMS[@]:+${KUBE_BUILD_PLATFORMS[@]}}")
if [[ ${#platforms[@]} -eq 0 ]]; then
platforms=("${host_platform}")
fi
local binaries
binaries=($(kube::golang::binaries_from_targets "${targets[@]}"))
local parallel=false
if [[ ${#platforms[@]} -gt 1 ]]; then
local gigs
gigs=$(kube::golang::get_physmem)
if [[ ${gigs} -gt ${KUBE_PARALLEL_BUILD_MEMORY} ]]; then
kube::log::status "Multiple platforms requested and available ${gigs}G > threshold ${KUBE_PARALLEL_BUILD_MEMORY}G, building platforms in parallel"
parallel=true
else
kube::log::status "Multiple platforms requested, but available ${gigs}G < threshold ${KUBE_PARALLEL_BUILD_MEMORY}G, building platforms in serial"
parallel=false
fi
fi
if [[ "${parallel}" == "true" ]]; then
kube::log::status "Building go targets for ${platforms[@]} in parallel (output will appear in a burst when complete):" "${targets[@]}"
local platform
for platform in "${platforms[@]}"; do (
kube::golang::set_platform_envs "${platform}"
kube::log::status "${platform}: go build started"
kube::golang::build_binaries_for_platform ${platform} ${use_go_build:-}
kube::log::status "${platform}: go build finished"
) &> "/tmp//${platform//\//_}.build" &
done
local fails=0
for job in $(jobs -p); do
wait ${job} || let "fails+=1"
done
for platform in "${platforms[@]}"; do
cat "/tmp//${platform//\//_}.build"
done
exit ${fails}
else
for platform in "${platforms[@]}"; do
kube::log::status "Building go targets for ${platform}:" "${targets[@]}"
kube::golang::set_platform_envs "${platform}"
kube::golang::build_binaries_for_platform ${platform} ${use_go_build:-}
done
fi
)
}