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39 lines
1.0 KiB
39 lines
1.0 KiB
#!/usr/bin/env bash
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DIR=$(readlink -e "$(dirname "$0")")
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PROD_SERVER_JAR_NAME="server-prod.jar"
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NEW_SERVER_JAR_NAME="server-all.jar"
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prod_pid() {
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ps -aux | tr -s " " | grep -E "\bjava -jar .*$PROD_SERVER_JAR_NAME\b" | cut -d " " -f2
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}
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PROD_PID=$(prod_pid)
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#if $PROD_PID is not empty but isn't a number, something went wrong
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if [ "$PROD_PID" ] && ! echo "$PROD_PID" | grep -E -q "^[0-9]+$"; then
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echo "error, unable to retrieve old server pid: $PROD_PID" >&2
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exit 2
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fi
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if [ "$PROD_PID" ]; then
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#will cause the old server to gracefully shutdown
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echo "shutting down old server version ..."
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kill "$PROD_PID"
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while [ ! "$(prod_pid)" ]; do sleep 1; done #sleep until process ends
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echo "server shut down"
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fi
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rm "$DIR/$PROD_SERVER_JAR_NAME"
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mv "$DIR/$NEW_SERVER_JAR_NAME" "$DIR/$PROD_SERVER_JAR_NAME" || ls
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SCREEN="basket"
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# create screen if not exists
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if ! screen -ls | grep -q -E "\b[0-9]+\.$SCREEN\b"; then
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screen -S "$SCREEN" -d -m
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fi
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screen -d -r "$SCREEN" -X stuff $"$DIR/start.sh\n"
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echo "server is started into $SCREEN screen."
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