CBL-Mariner/SPECS/prometheus-adapter/generate_source_tarball.sh

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#!/bin/bash
# The flow of this script is as such:
# 1. Download prometheus-adapter tarball to a temp working directory and extract it.
# 2. Then we run go mod vendor.
# 3. We tar the updated prometheus-adapter
set -e
SRC_TARBALL=""
OUT_FOLDER="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
PKG_VERSION=""
# parameters:
#
# --srcTarball : src tarball file
# this file contains the 'initial' source code of the component
# and should be replaced with the new/modified src code
# --outFolder : folder where to copy the new tarball(s)
# --pkgVersion : package version
#
PARAMS=""
while (( "$#" )); do
case "$1" in
--srcTarball)
if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
SRC_TARBALL=$2
shift 2
else
echo "Error: Argument for $1 is missing" >&2
exit 1
fi
;;
--outFolder)
if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
OUT_FOLDER=$2
shift 2
else
echo "Error: Argument for $1 is missing" >&2
exit 1
fi
;;
--pkgVersion)
if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
PKG_VERSION=$2
shift 2
else
echo "Error: Argument for $1 is missing" >&2
exit 1
fi
;;
-*|--*=) # unsupported flags
echo "Error: Unsupported flag $1" >&2
exit 1
;;
*) # preserve positional arguments
PARAMS="$PARAMS $1"
shift
;;
esac
done
echo "--srcTarball -> $SRC_TARBALL"
echo "--outFolder -> $OUT_FOLDER"
echo "--pkgVersion -> $PKG_VERSION"
if [ -z "$PKG_VERSION" ]; then
echo "--pkgVersion parameter cannot be empty"
exit 1
fi
echo "-- create temp folder"
TEMPDIR=$(mktemp -d)
function cleanup {
echo "+++ cleanup -> remove $TEMPDIR"
rm -rf $TEMPDIR
}
trap cleanup EXIT
echo "Starting Prometheus-Adapter source tarball creation"
ADAPTER_URL="https://github.com/kubernetes-sigs/prometheus-adapter/archive/refs/tags/v$PKG_VERSION.tar.gz"
cd "$TEMPDIR"
# sudo chown -R "$USER": .
wget -c $ADAPTER_URL -O "prometheus-adapter-$PKG_VERSION.tar.gz"
tar -xzf "prometheus-adapter-$PKG_VERSION.tar.gz"
cd "prometheus-adapter-$PKG_VERSION"
go mod vendor
cd "$TEMPDIR"
tar -czf "$OUT_FOLDER/prometheus-adapter-$PKG_VERSION.tar.gz" "prometheus-adapter-$PKG_VERSION"
cd "$START_DIR"
rm -rf "$TEMPDIR"
echo "Source tarball $OUT_FOLDER/prometheus-adapter-$PKG_VERSION.tar.gz successfully created!"