86 lines
3.6 KiB
Bash
Executable File
86 lines
3.6 KiB
Bash
Executable File
#!/bin/bash
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#==================================================================================================
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# This shell script will stop the mystic internet service (mis). It will fail out if the process #
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# is not running and a stop attempt is made. It will also continually poll to make sure it stops #
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# successfully, and if it is still running after 60 seconds, will be forcefully terminated. This #
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# script can ideally be called as a fork within a systemd .service file. The script will exit #
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# with an appropriate error code to indicate whether is was successful or not. It is intended to #
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# work only with Debian, Ubuntu and other debian based distributions. #
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# #
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# For more information visit: https://vswitchzero.com/mystic-systemd #
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#==================================================================================================
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# Some variables. The MIS_OPTS should contain the daemon option (-d in older versions). The
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# MIS_SHUT_OPTS should be the shutdown option ('shutdown' in newer versions). Ensure your mystic
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# path is set correctly.
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MIS_PATH=@MYSTIC_DIR@
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MIS_OPTS=daemon
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MIS_SHUT_OPTS=shutdown
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MIS_PID=$(ps auxwww | grep "mis $MIS_OPTS" | grep -v grep | awk '{print $2}')
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echo "Attempting to stop the Mystic Internet Service daemon.."
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# Make sure mis is running, otherwise exit:
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if [ -z "$MIS_PID" ]
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then
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echo "Error: Can't stop the MIS daemon as it is not running."
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exit 1
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else
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echo "MIS daemon is currently running with PID $MIS_PID. Stopping.."
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fi
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# If the script gets to this point, it should be safe to stop the mis daemon. The script first changes
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# directory to the mystic path specified just in case the "mysticbbs" environment variable is not set.
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cd $MIS_PATH > /dev/null
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$MIS_PATH/mis $MIS_SHUT_OPTS
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cd - > /dev/null
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MIS_COUNTER=0
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echo "Checking to ensure the process stops.."
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while [ $MIS_COUNTER -lt 12 ]; do
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MIS_PID=$(ps auxwww | grep "mis $MIS_OPTS" | grep -v grep | awk '{print $2}')
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if [ ! -z "$MIS_PID" ]
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then
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echo "MIS process still running. Waiting 5 seconds.."
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sleep 5
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else
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echo "Finished! MIS daemon has been stopped successfully."
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exit 0
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fi
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let MIS_COUNTER=MIS_COUNTER+1
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done
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# If it's still running after 60 seconds (12 intervals) then an error is displayed.
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if [ "$MIS_COUNTER" -eq 12 ] && [ ! -z "$MIS_PID" ]
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then
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echo "Error: Process failed to stop gracefully after 60 seconds."
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fi
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# Uncomment the code between the dashes if you want the script to forcefully kill the process if it
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# doesn't go down gracefully. Please note that this is potentially risky, and will only be done if
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# the mis.bsy semaphore has already been removed. Use this section at your own risk, but it can
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# help to address common process termination issues.
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#
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#--------------------------------------------------------------------------------------------------
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# MIS_PID=$(ps auxwww | grep "mis $MIS_OPTS" | grep -v grep | awk '{print $2}')
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# if [ ! -z "$MIS_PID" ] && [ ! -f "$MIS_PATH/semaphore/mis.bsy" ]
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# then
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# echo "Stopping process forcefully using kill -9 because the mis.bsy semaphore was already removed"
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# kill -9 $MIS_PID
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# sleep 5
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# MIS_PID=$(ps auxwww | grep "mis $MIS_OPTS" | grep -v grep | awk '{print $2}')
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# if [ ! -z "$MIS_PID" ]
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# then
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# echo "Error: MIS daemon forceful stop failed."
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# exit 1
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# else
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# echo "Success. MIS daemon was forcefully stopped."
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# exit 0
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# fi
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# fi
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#--------------------------------------------------------------------------------------------------
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exit 1
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