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build.sh
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build.sh
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#!/bin/bash
# Simple packaging of freno
#
# Requires fpm: https://github.com/jordansissel/fpm
#
# This script is based off https://github.com/github/orchestrator/blob/master/build.sh
# hence licensed under the Apache 2.0 license.
# Copyright 2017 Shlomi Noach, GitHub Inc.
#
# 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.
set -e
mydir=$(dirname $0)
GIT_COMMIT=$(git rev-parse HEAD)
RELEASE_VERSION=
TOPDIR=/tmp/freno-release
export RELEASE_VERSION TOPDIR
usage() {
echo
echo "Usage: $0 [-t target ] [-a arch ] [ -p prefix ] [-h] [-d] [-r]"
echo "Options:"
echo "-h Show this screen"
echo "-t (linux|darwin) Target OS Default:(linux)"
echo "-a (amd64|386) Arch Default:(amd64)"
echo "-d debug output"
echo "-b build only, do not generate packages"
echo "-p build prefix Default:(/usr/bin)"
echo "-r build with race detector"
echo "-v release version (optional; default: content of RELEASE_VERSION file)"
echo "-s release subversion (optional; default: empty)"
echo
}
function precheck() {
local target="$1"
local build_only="$2"
local ok=0 # return err. so shell exit code
if [[ "$target" == "linux" ]]; then
if [[ $build_only -eq 0 ]] && [[ ! -x "$( which fpm )" ]]; then
echo "Please install fpm and ensure it is in PATH (typically: 'gem install fpm')"
ok=1
fi
if [[ $build_only -eq 0 ]] && [[ ! -x "$( which rpmbuild )" ]]; then
echo "rpmbuild not in PATH, rpm will not be built (OS/X: 'brew install rpm')"
fi
fi
if [[ -z "$GOPATH" ]]; then
echo "GOPATH not set"
ok=1
fi
if [[ ! -x "$( which go )" ]]; then
echo "go binary not found in PATH"
ok=1
fi
if ! go version | egrep -q 'go(1\.1[6789])' ; then
echo "go version must be 1.16 or above"
ok=1
fi
return $ok
}
function setuptree() {
local b prefix
prefix="$1"
mkdir -p $TOPDIR
rm -rf ${TOPDIR:?}/*
b=$( mktemp -d $TOPDIR/frenoXXXXXX ) || return 1
mkdir -p $b/freno
mkdir -p $b/freno${prefix}
mkdir -p $b/freno/etc/init.d
mkdir -p $b/freno/var/lib
echo $b
}
function oinstall() {
local builddir prefix
builddir="$1"
prefix="$2"
cd $mydir
gofmt -s -w pkg/
cp ./resources/etc/init.d/freno $builddir/freno/etc/init.d/freno
chmod x $builddir/freno/etc/init.d/freno
cp ./resources/freno.conf.skeleton.json $builddir/freno/etc/freno.conf.json
}
function package() {
local target builddir prefix packages
target="$1"
builddir="$2"
prefix="$3"
cd $TOPDIR
echo "Release version is ${RELEASE_VERSION} ( ${GIT_COMMIT} )"
case $target in
'linux')
echo "Creating Linux Tar package"
tar -C $builddir/freno -czf $TOPDIR/freno-"${RELEASE_VERSION}"-$target-$arch.tar.gz ./
echo "Creating Distro full packages"
fpm -v "${RELEASE_VERSION}" --epoch 1 -f -s dir -n freno -m shlomi-noach --description "Cooperative, highly available throttler service" --url "https://github.com/github/freno" --vendor "GitHub" --license "Apache 2.0" -C $builddir/freno --prefix=/ -t rpm .
fpm -v "${RELEASE_VERSION}" --epoch 1 -f -s dir -n freno -m shlomi-noach --description "Cooperative, highly available throttler service" --url "https://github.com/github/freno" --vendor "GitHub" --license "Apache 2.0" -C $builddir/freno --prefix=/ -t deb --deb-no-default-config-files .
;;
'darwin')
echo "Creating Darwin full Package"
tar -C $builddir/freno -czf $TOPDIR/freno-"${RELEASE_VERSION}"-$target-$arch.tar.gz ./
;;
esac
echo "---"
echo "Done. Find releases in $TOPDIR"
}
function build() {
local target arch builddir gobuild prefix
os="$1"
arch="$2"
builddir="$3"
prefix="$4"
ldflags="-X main.AppVersion=${RELEASE_VERSION} -X main.GitCommit=${GIT_COMMIT}"
echo "Building via $(go version)"
gobuild="go build -i ${opt_race} -ldflags \"$ldflags\" -o $builddir/freno${prefix}/freno cmd/freno/main.go"
case $os in
'linux')
echo "GOOS=$os GOARCH=$arch $gobuild" | bash
;;
'darwin')
echo "GOOS=darwin GOARCH=amd64 $gobuild" | bash
;;
esac
[[ $(find $builddir/freno${prefix}/ -type f -name freno) ]] && echo "freno binary created" || (echo "Failed to generate freno binary" ; exit 1)
}
function main() {
local target="$1"
local arch="$2"
local prefix="$3"
local build_only=$4
local builddir
if [ -z "${RELEASE_VERSION}" ] ; then
RELEASE_VERSION=$(git describe --abbrev=0 --tags | tr -d 'v')
fi
precheck "$target" "$build_only"
builddir=$( setuptree "$prefix" )
oinstall "$builddir" "$prefix"
build "$target" "$arch" "$builddir" "$prefix"
[[ $? == 0 ]] || return 1
if [[ $build_only -eq 0 ]]; then
package "$target" "$builddir" "$prefix"
fi
}
build_only=0
opt_race=
while getopts a:t:p:s:v:dbhr flag; do
case $flag in
a)
arch="${OPTARG}"
;;
t)
target="${OPTARG}"
;;
h)
usage
exit 0
;;
d)
debug=1
;;
b)
echo "Build only; no packaging"
build_only=1
;;
p)
prefix="${OPTARG}"
;;
r)
opt_race="-race"
;;
v)
RELEASE_VERSION="${OPTARG}"
;;
s)
;;
?)
usage
exit 2
;;
esac
done
shift $(( OPTIND - 1 ));
if [ -z "$target" ]; then
uname=$(uname)
case $uname in
Linux) target=linux;;
Darwin) target=darwin;;
*) echo "Unexpected OS from uname: $uname. Exiting"
exit 1
esac
fi
arch=${arch:-"amd64"} # default for arch is amd64 but should take from environment
prefix=${prefix:-"/usr/bin"}
[[ $debug -eq 1 ]] && set -x
main "$target" "$arch" "$prefix" "$build_only"
echo "freno build done; exit status is $?"