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Healtchecks.io bash decorator
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#!/bin/bash | |
# Hosted on gist : https://gist.github.com/odolbeau/bd6d8eb7910d1289e2687682c8db9275 | |
if [ $# -lt 1 ] || [ -z "$1" ] || [ -z "${UUID}" ]; then | |
echo "Usage: UUID=your-uuid $0 [command to run]" | |
echo "Decorates a command to notify healtchecks.io" | |
exit 1 | |
fi | |
curl -fsS -m 10 --retry 5 -o /dev/null "https://hc-ping.com/$UUID/start" | |
LOG_FILE=/tmp/healtchecks.io-$(echo "$@" | md5sum | head -c 20)-$(echo $RANDOM | md5sum | head -c 20).log | |
# Mandatory to not loose the program return code | |
# @see https://stackoverflow.com/a/6872163 | |
set -o pipefail | |
"$@" | tee "$LOG_FILE" | |
RETURN_CODE=$? | |
set +o pipefail | |
# Retrieve the output from the log file to send it to healtchecks.io | |
OUTPUT=$(tail --bytes=100000 "$LOG_FILE") | |
curl -fsS -m 10 --retry 5 --data-raw "$OUTPUT" -o /dev/null "https://hc-ping.com/$UUID/$RETURN_CODE" | |
# If everything went fine, do not keep the log file | |
if [ 0 == $RETURN_CODE ]; then | |
rm "$LOG_FILE" | |
fi | |
exit $RETURN_CODE |
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