Created
March 24, 2021 01:15
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Simple shell script for sending Valheim server alerts to Discord
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| #/bin/bash | |
| # your webhook here | |
| webhookURL="https://discord.com/api/webhooks/123412341234/ldsakjflsadsdkjfdslfkjdslfkj" | |
| main() { | |
| poll_log | |
| echo "$newLog" > /tmp/currentLog | |
| rm -f /tmp/newLog | |
| while true; do | |
| poll_log | |
| if [ "$newHash" = "$currentHash" ]; then | |
| # chill | |
| : | |
| else | |
| # differnet hash means there was an update in the log | |
| # wat is the update? | |
| logUpdate=$(grep -F -x -v -f /tmp/currentLog /tmp/newLog) | |
| # process the log update | |
| echo "$logUpdate" | grep -P 'Got connection SteamID \d+' > /dev/null 2>/dev/null | |
| if [ "$?" = "0" ]; then | |
| message=$(echo "$logUpdate" | grep -P 'Got connection SteamID \d+' | tr -d '\r') | |
| echo "$message" | |
| sendToDiscord "$message" | |
| fi | |
| echo "$logUpdate" | grep -P 'Peer \d+ has wrong password' > /dev/null 2>/dev/null | |
| if [ "$?" = "0" ]; then | |
| message=$(echo "$logUpdate" | grep -P 'Peer \d+ has wrong password' | tr -d '\r') | |
| echo "$message" | |
| sendToDiscord "$message" | |
| fi | |
| echo "$logUpdate" | grep -P 'Got character ZDOID from [^ ]+ :' > /dev/null 2>/dev/null | |
| if [ "$?" = "0" ]; then | |
| message=$(echo "$logUpdate" | grep -P 'Got character ZDOID from [^ ]+ :' | tr -d '\r') | |
| echo "$message" | |
| sendToDiscord "$message" | |
| fi | |
| echo "$logUpdate" | grep -P 'Closing socket \d+' > /dev/null 2>/dev/null | |
| if [ "$?" = "0" ]; then | |
| message=$(echo "$logUpdate" | grep -P 'Closing socket \d+' | tr -d '\r') | |
| echo "$message" | |
| sendToDiscord "$message" | |
| fi | |
| echo "$logUpdate" | grep -P 'World saved' > /dev/null 2>/dev/null | |
| if [ "$?" = "0" ]; then | |
| message=$(echo "$logUpdate" | grep -P 'World saved' | tr -d '\r') | |
| echo "$message" | |
| sendToDiscord "$message" | |
| fi | |
| # update current log | |
| echo "$newLog" > /tmp/currentLog | |
| # to not enter an infinite loop, the "new" hash is now the current hash | |
| currentHash="$newHash" | |
| fi | |
| # ===== | |
| sleep 2 # throttle 2 second poll | |
| done | |
| } | |
| poll_log() { | |
| # get a current snapshot of latest log, plus the hash | |
| newLog=$(cat log/console/vhserver-console.log | grep -P '^\d{2}/\d{2}/\d{4}' | tail -n 40) | |
| echo "$newLog" > /tmp/newLog | |
| newHash=$(cat /tmp/newLog | sha1sum | cut -c -40) | |
| } | |
| sendToDiscord() { | |
| # $1 will be a simple string sent to discord | |
| # assemble -d line | |
| data="{\"username\": \"Valheim Server Alert\", \"content\": \""$1"\"}" | |
| curl -X POST \ | |
| -H "Content-Type: application/json" \ | |
| -d "$data" \ | |
| "$webhookURL" | |
| } | |
| main |
Author
Author
Hey I don't see your comment anymore on the gist, but check your Valheim
server logs. I haven't worked on this (or run my Valheim server) in a while
and they may have updated the phrasing of those messages, causing the
regexes to fail to match.
…On Wed, Apr 26, 2023 at 3:39 PM Sarang Rajesh ***@***.***> wrote:
***@***.**** commented on this gist.
------------------------------
Hey, I'm only getting alerts for Got character ZDOID.
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The world save updates can get pretty annoying as they happen every 20 mins. Comment out line 56 to quiet those.