48 lines
1.7 KiB
Bash
Executable File
48 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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### I lost the link where I copied this script from, sorry, i'll update as soon as I find it back! The btrfs raid1 check part is written by tech_at_hangar.org
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## The first part of this script checks for given minimum space on a mounted volume, and contacts ntfy in case the limit is surpassed.
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## The second part of this script checks for missing disks on btrfs raid1 devices and contacs ntfy in case of missing devices
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# root volume
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mingigs=10
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avail=$(df | awk '$6 == "/" && $4 < '$mingigs' * 1024*1024 { print $4/1024/1024 }')
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topicurl=https://NTFY_SERVER_IP/disk_alerts
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if [ -n "$avail" ]; then
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curl -k --retry 3 \
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-d "Only $avail GB available on the root disk. Better clean that up." \
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-H "Title: Low disk space alert on $(hostname)" \
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-H "Priority: default" \
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-H "Tags: warning,cd" \
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$topicurl
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fi
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# OTHER VOLUME NAME
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mingigs=500
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avail=$(df | awk '$6 == "/mnt/OTHER_VOLUME" && $4 < '$mingigs' * 1024*1024 { print $4/1024/1024 }')
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topicurl=https://NTFY_SERVER_IP/disk_alerts
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if [ -n "$avail" ]; then
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curl -k --retry 3 \
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-d "Only $avail GB available on the /mnt/OTHER_VOLUME disk. Better clean that up." \
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-H "Title: Low disk space alert on $(hostname)" \
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-H "Priority: default" \
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-H "Tags: warning,cd" \
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$topicurl
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fi
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# check btrfs raid 1 status on /mnt/OTHER_VOLUME NAME
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if (btrfs fi show | grep -wic "Some devices missing"); then
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echo Bad: - Btrfs is missing devices, some disk is broken
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echo Sending alert...
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curl -k --retry 3 \
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-d "Bad - Some devices are missing in btrfs: maybe a broken disk?" \
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-H "Title: Missing disks in btrfs on $(hostname)" \
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-H "Priority: high" \
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-H "Tags: warning,boar" \
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$topicurl
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fi
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