2026-05-05 21:44:08 +00:00
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#!/usr/bin/env bash
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2026-05-08 21:18:22 +00:00
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set -euo pipefail
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2026-05-05 21:44:08 +00:00
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=00_env.sh
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. "$SCRIPT_DIR/00_env.sh"
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exit_code=0
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section "Disk Space Overview"
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if require_cmd df; then
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df -h 2>&1 | tee -a "$LOG_FILE"
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else
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critical "df is required for disk overview"
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exit 1
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fi
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section "Inode Overview"
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df -i 2>&1 | tee -a "$LOG_FILE" || warning "Unable to collect inode usage"
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section "Filesystems Sorted By Usage"
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df -P -h | awk 'NR == 1 { next } { print $5, $6, $1, $2, $3, $4 }' | sort -rn | while read -r used mount fs size used_space avail; do
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percent="$(usage_percent_number "$used")"
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level="$(status_for_percent "$percent")"
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printf '%s: %s used on %s (%s, size=%s used=%s avail=%s)\n' "$level" "$used" "$mount" "$fs" "$size" "$used_space" "$avail" | tee -a "$LOG_FILE"
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done
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section "Threshold Summary"
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while read -r fs size used avail pct mount; do
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percent="$(usage_percent_number "$pct")"
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level="$(status_for_percent "$percent")"
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if (( percent >= EMERGENCY_THRESHOLD )); then
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critical "$mount is ${pct} full on $fs (size=$size used=$used avail=$avail)"
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exit_code=1
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elif (( percent >= CRIT_THRESHOLD )); then
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warning "$mount is ${pct} full on $fs (size=$size used=$used avail=$avail)"
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elif (( percent >= WARN_THRESHOLD )); then
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warning "$mount is ${pct} full on $fs (size=$size used=$used avail=$avail)"
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else
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ok "$mount is ${pct} full on $fs"
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fi
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done < <(df -P -h | awk 'NR > 1 { print $1, $2, $3, $4, $5, $6 }')
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exit "$exit_code"
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