OVMS3-idf/tools/ci/retry_failed.sh
2020-10-24 09:26:08 +08:00

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#!/usr/bin/env bash
set -euo pipefail
#
# Retries a command RETRY_ATTEMPTS times in case of failure
#
# Inspired by https://stackoverflow.com/a/8351489
#
max_attempts=${RETRY_ATTEMPTS-3}
RETRY_TIMEWAIT=${RETRY_TIMEWAIT-1}
attempt=1
exitCode=0
whole_start=$(date +%s)
attempt_start=whole_start
while true; do
if "$@" ; then
exitCode=0
break
else
exitCode=$?
fi
if (( $attempt >= $max_attempts )) ; then
break
fi
echo "Failed! ("$@") Spent time $(( $(date '+%s') - ${attempt_start} )) sec. Retrying in ${RETRY_TIMEWAIT}..." 1>&2
sleep $RETRY_TIMEWAIT
attempt=$(( attempt + 1 ))
RETRY_TIMEWAIT=$(( RETRY_TIMEWAIT * 2 ))
attempt_start=$(date +%s)
done
if [[ $exitCode != 0 ]] ; then
echo -n "Totally failed! ("$@")" 1>&2
else
echo -n "Done ("$@")" 1>&2
fi
echo " Spent time $(( $(date '+%s') - ${whole_start} )) sec in total" 1>&2
exit $exitCode