Run a command and report status to https://healthchecks.io

healthchecks.sh

#!/bin/bash -eu
set -o pipefail

# Run a command and report status to https://healthchecks.io
usage() {
	echo "Usage: $0 <healthchecks.io UUID> <command>"
	exit 1
}
trap usage EXIT

URL="https://hc-ping.com/${1:?No UUID provided}"
shift
trap - EXIT

OUTPUT=""
healthcheck() {
	# Log output is limited to 10,000 bytes, so let's send the tail
	# as that's likely more useful for debugging
	OUTPUT=$(echo "${OUTPUT}" | tail --bytes=10000 -)

	curl \
	  --fail --silent --show-error \
	  --retry 5 -o /dev/null \
	  --data-raw "${OUTPUT}" \
	  $1
}

report_start() {
	healthcheck "${URL}/start"
}

report_rc() {
	RC=$?
	healthcheck "${URL}/${RC}"
	exit ${RC}
}
trap report_rc EXIT

healthcheck "$URL/start"

# Run command and store output in $OUTPUT for logging at healthcheck.io
OUTPUT=$($@ 2>&1)