mirror of
https://github.com/unraid/webgui.git
synced 2026-01-08 18:50:10 -06:00
97 lines
2.8 KiB
Bash
Executable File
97 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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# ext_check start <dev> <id> <options>
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# ext_check status <dev> <id>
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# ext_check cancel <dev> <id>
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# Exit codes:
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# 0 - No corruption detected or process not found.
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# 1 - Corruption detected.
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# 4 - File system corruption fixed.
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# 8 - No check has been run yet.
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# 9 - Process is still running.
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# Using /var/lib because that's where btrfs puts status
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mkdir -p /var/lib/ext
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case "$1" in
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'start')
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# Start the e2fsck process in the background and log output
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rm -f /var/lib/ext/check.status.$3
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{
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/sbin/e2fsck $4 $2 &> /var/lib/ext/check.status.$3
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echo $? > /var/lib/ext/check.status.$3.exit
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} > /dev/null 2>&1 &
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echo $! > /var/lib/ext/check.pid.$3
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exit 0
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;;
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'status')
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# Check if the process is still running
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if [ -f /var/lib/ext/check.pid.$3 ]; then
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pid=$(cat /var/lib/ext/check.pid.$3)
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if kill -0 $pid 2>/dev/null; then
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# Process is running, return status and exit code 9
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cat /var/lib/ext/check.status.$3
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exit 9
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else
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# Process is not running, read the exit status if available
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if [ -f /var/lib/ext/check.status.$3.exit ]; then
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exit_status=$(cat /var/lib/ext/check.status.$3.exit)
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cat /var/lib/ext/check.status.$3
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rm -f /var/lib/ext/check.pid.$3
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(( exit_status & 1 )) && exit 4
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(( exit_status & 4 )) && exit 1
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exit 0
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else
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# Exit status file does not exist, but return status file if available
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if [ -f /var/lib/ext/check.status.$3 ]; then
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cat /var/lib/ext/check.status.$3
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fi
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exit 8
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fi
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fi
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else
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# No PID file found, check for existing status
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if [ -f /var/lib/ext/check.status.$3 ]; then
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cat /var/lib/ext/check.status.$3
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# If no exit status file, assume process completed successfully
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if [ -f /var/lib/ext/check.status.$3.exit ]; then
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exit_status=$(cat /var/lib/ext/check.status.$3.exit)
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(( exit_status & 1 )) && exit 4
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(( exit_status & 4 )) && exit 1
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exit 0
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else
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exit 8
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fi
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else
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# No status file found
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echo "Not available"
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exit 8
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fi
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fi
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;;
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'cancel')
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# Cancel the e2fsck process
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if [ -f /var/lib/ext/check.pid.$3 ]; then
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pid=$(cat /var/lib/ext/check.pid.$3)
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kill $pid
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while kill -0 $pid 2>/dev/null; do
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sleep 1
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done
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echo -e "\nCancelled" >> /var/lib/ext/check.status.$3
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rm -f /var/lib/ext/check.pid.$3
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else
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echo "No process to cancel"
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fi
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exit 0
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;;
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*)
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# Handle invalid commands
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echo "Invalid command"
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exit 0
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;;
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esac
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