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#!/bin/sh

set -eu

INSTALLROOT=${INSTALLROOT:-"${HOME}/.tobs"}

TOBS_VERSION=${TOBS_VERSION:-0.2.1}

happyexit() {

echo ""

echo "Add the tobs CLI to your system binaries with:"

echo ""

echo " sudo cp ${INSTALLROOT}/bin/tobs /usr/local/bin"

echo ""

echo "Alternatively, add tobs to your path in the current session with: export PATH=\$PATH:${INSTALLROOT}/bin"

echo ""

echo "After starting your Kubernetes cluster, run"

echo ""

echo " tobs install"

echo ""

exit 0

}

validate_checksum() {

filename=$1

checksumlist=$(curl -sfL "${url}/checksums.txt")

echo ""

echo "Validating checksum..."

checksum=$($checksumbin -a256 "${filename}")

if echo "${checksumlist}" | grep -Fxq "${checksum}"; then

echo "Checksum valid."

return 0

else

echo "Checksum validation failed." >&2

return 1

fi

}

install_tobs () {

OS=$(uname -s)

arch=$(uname -m)

case $OS in

Darwin)

;;

Linux)

case $arch in

x86_64)

;;

i386)

;;

*)

echo "The Observability Stack does not support $OS/$arch. Please open an issue with your platform details."

exit 1

;;

esac

;;

*)

echo "The Observability Stack does not support $OS/$arch. Please open an issue with your platform details."

exit 1

;;

esac

checksumbin=$(command -v shasum) || {

echo "Failed to find checksum binary. Please install shasum."

exit 1

}

tmpdir=$(mktemp -d /tmp/tobs.XXXXXX)

srcfile="tobs_${TOBS_VERSION}_${OS}_${arch}"

dstfile="${INSTALLROOT}/bin/tobs-${TOBS_VERSION}"

url="https://github.com/timescale/tobs/releases/download/${TOBS_VERSION}"

(

cd "$tmpdir"

echo "\n"

echo "Downloading ${srcfile}..."

curl --proto '=https' --tlsv1.2 -sSfLO "${url}/${srcfile}"

echo "Download complete!"

if ! validate_checksum "${srcfile}"; then

exit 1

fi

echo ""

)

(

mkdir -p "${INSTALLROOT}/bin"

mv "${tmpdir}/${srcfile}" "${dstfile}"

chmod +x "${dstfile}"

rm -f "${INSTALLROOT}/bin/tobs"

ln -s "${dstfile}" "${INSTALLROOT}/bin/tobs"

)

rm -r "$tmpdir"

echo "tobs ${TOBS_VERSION} was successfully installed 🎉"

echo ""

happyexit

}

install_tobs