- disk_usage_check.sh: sed 's/-/0/' for filesystems without inodes - checkdefaults.Ensure: includes target_id in check_defs INSERT so signals get proper target slug instead of null
27 lines
919 B
Bash
27 lines
919 B
Bash
#!/usr/bin/env bash
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# disk_usage_check.sh — disk usage and inode usage per mountpoint.
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set -euo pipefail
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MOUNTS=$(df -k 2>/dev/null | awk 'NR>1 && $1 ~ /^\// && $NF !~ /^\/(snap|dev|proc|sys|run|private)/ {print $NF}' || true)
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FIRST=1
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echo -n '{"health":"healthy","metrics":{'
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for m in $MOUNTS; do
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LINE=$(df -k "$m" 2>/dev/null | awk 'NR==2 {print $3, $4, $5, $7}' | tr -d '%' || true)
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if [ -z "$LINE" ]; then continue; fi
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USED=$(echo "$LINE" | awk '{print $1}')
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FREE=$(echo "$LINE" | awk '{print $2}')
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PCT=$(echo "$LINE" | awk '{print $3}')
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INODE_LINE=$(df -i "$m" 2>/dev/null | awk 'NR==2 {print $5}' | tr -d '%' || echo "0")
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INODE_PCT=$(echo "${INODE_LINE:-0}" | sed 's/-/0/')
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KEY=$(echo "$m" | sed 's|/|_|g' | sed 's|^_||')
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[ -z "$KEY" ] && KEY="root"
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if [ $FIRST -eq 0 ]; then echo -n ','; fi
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FIRST=0
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echo -n "\"disk_${KEY}_pct\":$PCT,\"inode_${KEY}_pct\":$INODE_PCT"
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done
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echo '}}'
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