actions-vps-mirror/loop.sh
2024-10-13 08:38:44 +07:00

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#!/bin/bash
START_TIME=$(TZ=Etc/UTC date +"%d:%m:%Y:%H:%M") # the checkTime.js script uses local time
GH_TOKEN=$2
REPO=$3
WORKFLOW_FILE=$4
BRANCH=$5
NAME=$6
WEBHOOK_URL=$7
IS_GLOBAL=$8
OLD_TAILSCALE_HOSTNAME=$9
firstTime=1
alreadyDone=0
sudo pkill provjobd
getWebhookData() {
output="{\"username\": \"$NAME\", "
output+="\"embeds\": [ "
if [ "$1" == "start" ]; then
output+="{\"title\": \"Loop Script is running!\", "
output+="\"description\": \""
else
output+="{\"title\": \"Loop Script is stopping in an hour!\", "
output+="\"description\": \""
output+="Hostname has been renamed to: $2\\n\\n"
fi
output+="$REPO on $BRANCH, workflow file $WORKFLOW_FILE\\n\\n"
output+="Sent at:\\n$(date) (server time)\\n"
output+="$(TZ=Etc/UTC date)"
output+="\\n$(TZ=Asia/Tokyo date)"
output+="\\n$(TZ=Asia/Bangkok date)\", "
if [ "$1" == "start" ]; then
output+="\"color\": 5763719} ]}"
else
output+="\"color\": 15105570} ]}"
fi
echo $output
}
requestWebhook() {
curl \
-X POST \
-H "Accept: application/json" \
-H "Content-Type: application/json" \
--data "$(getWebhookData $1 $2)" \
$WEBHOOK_URL
}
check() {
# checkTime.js adds the start time by 5 hours
node checkTime.js $START_TIME
exitCode=$?
if [ $exitCode -eq 0 ]; then
alreadyDone=1
hostname="old-$NAME-$RANDOM"
requestWebhook stop $hostname
sudo tailscale up --hostname=$hostname --advertise-exit-node --ssh
command="gh api "
command+="--method POST "
command+='-H "Accept: application/vnd.github+json" '
command+='-H "X-GitHub-Api-Version: 2022-11-28" '
command+="\"/repos/CeciliaKelley33Mm/$REPO/actions/workflows/$WORKFLOW_FILE/dispatches\" "
command+="-f \"ref=$BRANCH\" -f \"inputs[runNext]=true\" "
if [[ "$IS_GLOBAL" == "true" ]]; then
command+="-f \"inputs[oldTailscaleHostname]=$hostname\""
cd /mnt/globalData/toBackup
if [ -f postruntime.sh ]; then
. postruntime.sh
fi
cd /mnt/globalData/toBackup/minecraft
timeLeft=30
while [ $timeLeft -gt 0 ]; do
if [ $(($timeLeft % 10)) -eq 0 ]; then
docker compose exec minecraft rcon-cli broadcast The server will stop and move to a new host in $timeLeft seconds. Please leave the server.
fi
sleep 1
timeLeft=$((timeLeft - 1))
done
# not stopping the server would cause problems
# like new world files not getting written
# or even file corruptions
docker compose down
cd /mnt/globalData
# sudo is necessary because we run minecraft in a docker container
sudo tar cf archive.tar.gz toBackup/
serve -p 5000 &
fi
eval "$command"
fi
}
if [ "$1" == "true" ]; then
requestWebhook start
fi
while true; do
if [ "$firstTime" != 1 ] && [ "$alreadyDone" != 1 ] && [ "$1" == "true" ]; then
check
fi
sudo sync
echo 3 | sudo tee /proc/sys/vm/drop_caches
ping -c 1 google.com
curl google.com
if [ "$firstTime" != 1 ]; then
sleep 10
else
sleep 120
firstTime=0
fi
done