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error handling: retry or not to retry?

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Kay Marquardt (Gnadelwartz) 2020-06-08 20:51:15 +02:00
parent 9b138eecbd
commit de745719dc
1 changed files with 31 additions and 9 deletions
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40
bashbot.sh
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@ -11,7 +11,7 @@
# This file is public domain in the USA and all free countries. # This file is public domain in the USA and all free countries.
# Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying) # Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
# #
#### $$VERSION$$ v0.96-dev3-24-gb189191 #### $$VERSION$$ v0.96-dev3-25-g9b138ee
# #
# Exit Codes: # Exit Codes:
# - 0 sucess (hopefully) # - 0 sucess (hopefully)
@ -364,29 +364,51 @@ else
[ "${SOURCE}" != "yes" ] && [ -n "${BASHBOT_EVENT_SEND[*]}" ] && event_send "upload" "$@" & [ "${SOURCE}" != "yes" ] && [ -n "${BASHBOT_EVENT_SEND[*]}" ] && event_send "upload" "$@" &
} }
fi fi
# internal function for sendJson sendUplaod etc
# checks and processes resukt # checks and processes resukt
# $1 result # $1 result
# $2 function # $2 function
# $3 .. $n original arguments # $3 .. $n original arguments
# first argument ($3) is Chat_id # first argument ($3) is Chat_id
sendJsonResult(){ sendJsonResult(){
BOTSENT[OK]="$(JsonGetLine '"ok"' <<< "${3}")" BOTSENT=( )
BOTSENT[OK]="$(JsonGetLine '"ok"' <<< "${1}")"
if [ "${BOTSENT[OK]}" = "true" ]; then if [ "${BOTSENT[OK]}" = "true" ]; then
BOTSENT[ID]="$(JsonGetValue '"result","message_id"' <<< "${3}")" BOTSENT[ID]="$(JsonGetValue '"result","message_id"' <<< "${1}")"
[ -n "${BASHBOT_EVENT_SEND[*]}" ] && event_send "send" "${@:2}" [ -n "${BASHBOT_EVENT_SEND[*]}" ] && event_send "send" "${@:2}"
return return
# hot path everthing OK!
else else
# oops something went wrong!
if [ "${res}" != "" ]; then if [ "${res}" != "" ]; then
BOTSENT[ERROR]="$(JsonGetValue '"error_code"' <<< "${3}")" BOTSENT[ERROR]="$(JsonGeOtValue '"error_code"' <<< "${1}")"
BOTSENT[DESCRIPTION]="$(JsonGetString '"description"' <<< "${3}")" BOTSENT[DESCRIPTION]="$(JsonGetString '"description"' <<< "${1}")"
BOTSENT[RETRY]="$(JsonGetValue '"parameters","retry_after"' <<< "${3}")" BOTSENT[RETRY]="$(JsonGetValue '"parameters","retry_after"' <<< "${1}")"
else else
BOTSENT[ERROR]="999" BOTSENT[ERROR]="999"
BOTSENT[DESCRIPTION]="Timeout or broken/no connection" BOTSENT[DESCRIPTION]="Timeout or broken/no connection"
fi fi
printf "%s: CHAT[ID]=%s ACTION=%s ERROR=%s DESC=%s\n"\ # log error
"$(date)" "${3}" "${2}" "${BOTSENT[ERROR]}" "${BOTSENT[DESCRIPTION]}" >>"${LOGDIR}/ERROR.log" printf "%s: RESULT=%s CHAT[ID]=%s ACTION=%s ERROR=%s DESC=%s\n" "$(date)"\
"${BOTSENT[OK]}" "${3}" "${2}" "${BOTSENT[ERROR]}" "${BOTSENT[DESCRIPTION]}" >>"${LOGDIR}/ERROR.log"
# retry once if we are throttled
[ -n "${BOTSEND_RETRY}" ] && return
if [ -n "${BOTSENT[RETRY]}" ]; then
BOTSEND_RETRY="(( ${BOTSENT[RETRY]} * 15/10 ))"
echo "Retry ${2} in ${BOTSEND_RETRY} seconds ..." >>"${LOGDIR}/ERROR.log"
fi
# timeout or failed connection
if [ "${BOTSENT[ERROR]}" == "999" ];then
# check if default curl and args are OK
if ! curl -sL -k -m 2 "${URL}" >/dev/null 2>&1 ; then
echo "BASHBOT is blocked!" >>"${LOGDIR}/ERROR.log"
return
fi
# retry without custom curl and args
if [ -n "${BASHBOT_CURL_ARGS}" ] || [ -n "${BASHBOT_CURL}" ]; then
BOTSEND_RETRY="2"
echo "Timeout or broken connection, retry ${2} with default curl parameters ..." >>"${LOGDIR}/ERROR.log"
fi
fi
fi fi
} }