41 lines
1.2 KiB
Bash
Executable file
41 lines
1.2 KiB
Bash
Executable file
#!/bin/sh
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#
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# Verify that given mountpoints have 'read-write' option.
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output=$(mktemp --tmpdir $(basename "$0").XXXXXXXXXX)
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critical_count=0
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ok_count=0
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trap "rm -f $output" EXIT
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for mountpoint in $@; do
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# We verify no mointpoints have 'read-only' option instead of checking
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# for 'read-write' option, because there could be multiple device
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# mounted on a sigle path. In that edge case only checking for the
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# presence of the 'read-write' option would yeild a flase positive.
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if findmnt -O ro --noheadings "$mountpoint" 1>/dev/null 2>&1; then
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echo "CRITICAL - $mountpoint" >> "$output"
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critical_count=$(( critical_count + 1))
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else
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echo "OK - $mountpoint" >> "$output"
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ok_count=$(( ok_count + 1))
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fi
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done
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total_count=$(( ok_count + critical_count ))
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plural=''
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test "$total_count" -gt 1 && plural='s'
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if [ $ok_count -eq $total_count ]; then
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printf "OK - %d/%d mountpoint%s have 'read-write' option\n\n" \
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"$ok_count" "$total_count" "$plural"
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cat "$output"
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exit 0
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else
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printf "CRITICAL - %d/%d mountpoint%s don't have 'read-write' option\n\n" \
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"$critical_count" "$total_count" "$plural"
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cat "$output"
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exit 2
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fi
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