telegraf/package.sh

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#!/usr/bin/env bash
###########################################################################
# Packaging script which creates debian and RPM packages. It optionally
# tags the repo with the given version.
#
# Requirements: GOPATH must be set. 'fpm' must be on the path, and the AWS
# CLI tools must also be installed.
#
# https://github.com/jordansissel/fpm
# http://aws.amazon.com/cli/
#
# Packaging process: to package a build, simply execute:
#
# package.sh
#
# The script will automatically determined the version number from git using
# `git describe --always --tags`
#
# AWS upload: the script will also offer to upload the packages to S3. If
# this option is selected, the credentials should be present in the file
# ~/aws.conf. The contents should be of the form:
#
# [default]
# aws_access_key_id=<access ID>
# aws_secret_access_key=<secret key>
# region = us-east-1
#
# Trim the leading spaces when creating the file. The script will exit if
# S3 upload is requested, but this file does not exist.
AWS_FILE=~/aws.conf
INSTALL_ROOT_DIR=/opt/telegraf
TELEGRAF_LOG_DIR=/var/log/telegraf
CONFIG_ROOT_DIR=/etc/opt/telegraf
LOGROTATE_DIR=/etc/logrotate.d
SAMPLE_CONFIGURATION=etc/config.sample.toml
LOGROTATE_CONFIGURATION=etc/logrotate.d/telegraf
INITD_SCRIPT=scripts/init.sh
TMP_WORK_DIR=`mktemp -d`
POST_INSTALL_PATH=`mktemp`
ARCH=`uname -i`
LICENSE=MIT
URL=influxdb.com
MAINTAINER=support@influxdb.com
VENDOR=InfluxDB
DESCRIPTION="InfluxDB Telegraf agent"
PKG_DEPS=(coreutils)
GO_VERSION="go1.4.2"
GOPATH_INSTALL=
BINS=(
telegraf
)
###########################################################################
# Helper functions.
# usage prints simple usage information.
usage() {
echo -e "$0\n"
cleanup_exit $1
}
# make_dir_tree creates the directory structure within the packages.
make_dir_tree() {
work_dir=$1
version=$2
mkdir -p $work_dir/$INSTALL_ROOT_DIR/versions/$version/scripts
if [ $? -ne 0 ]; then
echo "Failed to create installation directory -- aborting."
cleanup_exit 1
fi
mkdir -p $work_dir/$CONFIG_ROOT_DIR
if [ $? -ne 0 ]; then
echo "Failed to create configuration directory -- aborting."
cleanup_exit 1
fi
mkdir -p $work_dir/$LOGROTATE_DIR
if [ $? -ne 0 ]; then
echo "Failed to create configuration directory -- aborting."
cleanup_exit 1
fi
}
# cleanup_exit removes all resources created during the process and exits with
# the supplied returned code.
cleanup_exit() {
rm -r $TMP_WORK_DIR
rm $POST_INSTALL_PATH
exit $1
}
# check_gopath sanity checks the value of the GOPATH env variable, and determines
# the path where build artifacts are installed. GOPATH may be a colon-delimited
# list of directories.
check_gopath() {
[ -z "$GOPATH" ] && echo "GOPATH is not set." && cleanup_exit 1
GOPATH_INSTALL=`echo $GOPATH | cut -d ':' -f 1`
[ ! -d "$GOPATH_INSTALL" ] && echo "GOPATH_INSTALL is not a directory." && cleanup_exit 1
echo "GOPATH ($GOPATH) looks sane, using $GOPATH_INSTALL for installation."
}
check_gvm() {
source $HOME/.gvm/scripts/gvm
which gvm
if [ $? -ne 0 ]; then
echo "gvm not found -- aborting."
cleanup_exit $1
fi
gvm use $GO_VERSION
if [ $? -ne 0 ]; then
echo "gvm cannot find Go version $GO_VERSION -- aborting."
cleanup_exit $1
fi
}
# check_clean_tree ensures that no source file is locally modified.
check_clean_tree() {
modified=$(git ls-files --modified | wc -l)
if [ $modified -ne 0 ]; then
echo "The source tree is not clean -- aborting."
cleanup_exit 1
fi
echo "Git tree is clean."
}
# do_build builds the code. The version and commit must be passed in.
do_build() {
version=$1
commit=`git rev-parse HEAD`
if [ $? -ne 0 ]; then
echo "Unable to retrieve current commit -- aborting"
cleanup_exit 1
fi
for b in ${BINS[*]}; do
rm -f $GOPATH_INSTALL/bin/$b
done
godep go install -a -ldflags="-X main.Version $version" ./...
if [ $? -ne 0 ]; then
echo "Build failed, unable to create package -- aborting"
cleanup_exit 1
fi
echo "Build completed successfully."
}
# generate_postinstall_script creates the post-install script for the
# package. It must be passed the version.
generate_postinstall_script() {
version=$1
cat <<EOF >$POST_INSTALL_PATH
rm -f $INSTALL_ROOT_DIR/telegraf
rm -f $INSTALL_ROOT_DIR/init.sh
ln -s $INSTALL_ROOT_DIR/versions/$version/telegraf $INSTALL_ROOT_DIR/telegraf
ln -s $INSTALL_ROOT_DIR/versions/$version/scripts/init.sh $INSTALL_ROOT_DIR/init.sh
rm -f /etc/init.d/telegraf
ln -sfn $INSTALL_ROOT_DIR/init.sh /etc/init.d/telegraf
chmod +x /etc/init.d/telegraf
if which update-rc.d > /dev/null 2>&1 ; then
update-rc.d -f telegraf remove
update-rc.d telegraf defaults
else
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chkconfig --add telegraf
fi
if ! id telegraf >/dev/null 2>&1; then
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useradd --system -U -M telegraf
fi
chown -R -L telegraf:telegraf $INSTALL_ROOT_DIR
chmod -R a+rX $INSTALL_ROOT_DIR
mkdir -p $TELEGRAF_LOG_DIR
chown -R -L telegraf:telegraf $TELEGRAF_LOG_DIR
EOF
echo "Post-install script created successfully at $POST_INSTALL_PATH"
}
###########################################################################
# Start the packaging process.
if [ "$1" == "-h" ]; then
usage 0
fi
VERSION=`git describe --always --tags | tr -d v`
echo -e "\nStarting package process, version: $VERSION\n"
if [ "$CIRCLE_BRANCH" == "" ]; then
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check_gvm
fi
check_gopath
do_build $VERSION
make_dir_tree $TMP_WORK_DIR $VERSION
###########################################################################
# Copy the assets to the installation directories.
for b in ${BINS[*]}; do
cp $GOPATH_INSTALL/bin/$b $TMP_WORK_DIR/$INSTALL_ROOT_DIR/versions/$VERSION
if [ $? -ne 0 ]; then
echo "Failed to copy binaries to packaging directory -- aborting."
cleanup_exit 1
fi
done
echo "${BINS[*]} copied to $TMP_WORK_DIR/$INSTALL_ROOT_DIR/versions/$VERSION"
cp $INITD_SCRIPT $TMP_WORK_DIR/$INSTALL_ROOT_DIR/versions/$VERSION/scripts
if [ $? -ne 0 ]; then
echo "Failed to copy init.d script to packaging directory -- aborting."
cleanup_exit 1
fi
echo "$INITD_SCRIPT copied to $TMP_WORK_DIR/$INSTALL_ROOT_DIR/versions/$VERSION/scripts"
cp $SAMPLE_CONFIGURATION $TMP_WORK_DIR/$CONFIG_ROOT_DIR/telegraf.conf
if [ $? -ne 0 ]; then
echo "Failed to copy $SAMPLE_CONFIGURATION to packaging directory -- aborting."
cleanup_exit 1
fi
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cp $LOGROTATE_CONFIGURATION $TMP_WORK_DIR/$LOGROTATE_DIR/telegraf
if [ $? -ne 0 ]; then
echo "Failed to copy $LOGROTATE_CONFIGURATION to packaging directory -- aborting."
cleanup_exit 1
fi
generate_postinstall_script $VERSION
###########################################################################
# Create the actual packages.
if [ "$CIRCLE_BRANCH" == "" ]; then
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echo -n "Commence creation of $ARCH packages, version $VERSION? [Y/n] "
read response
response=`echo $response | tr 'A-Z' 'a-z'`
if [ "x$response" == "xn" ]; then
echo "Packaging aborted."
cleanup_exit 1
fi
fi
if [ $ARCH == "i386" ]; then
rpm_package=telegraf-$VERSION-1.i686.rpm
debian_package=telegraf_${VERSION}_i686.deb
deb_args="-a i686"
rpm_args="setarch i686"
elif [ $ARCH == "arm" ]; then
rpm_package=telegraf-$VERSION-1.armel.rpm
debian_package=telegraf_${VERSION}_armel.deb
else
rpm_package=telegraf-$VERSION-1.x86_64.rpm
debian_package=telegraf_${VERSION}_amd64.deb
fi
COMMON_FPM_ARGS="-C $TMP_WORK_DIR --vendor $VENDOR --url $URL --license $LICENSE \
--maintainer $MAINTAINER --after-install $POST_INSTALL_PATH \
--name telegraf --version $VERSION --config-files $CONFIG_ROOT_DIR ."
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$rpm_args fpm -s dir -t rpm --description "$DESCRIPTION" $COMMON_FPM_ARGS
if [ $? -ne 0 ]; then
echo "Failed to create RPM package -- aborting."
cleanup_exit 1
fi
echo "RPM package created successfully."
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fpm -s dir -t deb $deb_args --description "$DESCRIPTION" $COMMON_FPM_ARGS
if [ $? -ne 0 ]; then
echo "Failed to create Debian package -- aborting."
cleanup_exit 1
fi
echo "Debian package created successfully."
###########################################################################
# Offer to publish the packages.
if [ "$CIRCLE_BRANCH" == "" ]; then
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echo -n "Publish packages to S3? [y/N] "
read response
response=`echo $response | tr 'A-Z' 'a-z'`
if [ "x$response" == "xy" ]; then
echo "Publishing packages to S3."
if [ ! -e "$AWS_FILE" ]; then
echo "$AWS_FILE does not exist -- aborting."
cleanup_exit 1
fi
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# Upload .deb and .rpm packages
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for filepath in `ls *.{deb,rpm}`; do
echo "Uploading $filepath to S3"
filename=`basename $filepath`
echo "Uploading $filename to s3://get.influxdb.org/telegraf/$filename"
AWS_CONFIG_FILE=$AWS_FILE aws s3 cp $filepath \
s3://get.influxdb.org/telegraf/$filename \
--acl public-read --region us-east-1
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if [ $? -ne 0 ]; then
echo "Upload failed -- aborting".
cleanup_exit 1
fi
rm $filepath
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done
# Make and upload linux amd64, 386, and arm
make build-linux-bins
for b in `ls telegraf_*`; do
zippedbin=${b}_${VERSION}.tar.gz
# Zip the binary
tar -zcf $TMP_WORK_DIR/$zippedbin ./$b
echo "Uploading binary: $zippedbin to S3"
AWS_CONFIG_FILE=$AWS_FILE aws s3 cp $TMP_WORK_DIR/$zippedbin \
s3://get.influxdb.org/telegraf/$zippedbin \
--acl public-read --region us-east-1
if [ $? -ne 0 ]; then
echo "Binary upload failed -- aborting".
cleanup_exit 1
fi
done
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else
echo "Not publishing packages to S3."
fi
fi
###########################################################################
# All done.
echo -e "\nPackaging process complete."
cleanup_exit 0