Mateusz Suski
89 lines
2.3 KiB
Bash
Executable File
89 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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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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BEFORE_FILE=""
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exit_code=0
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usage() {
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printf 'Usage: %s [--before-file <df_output_file>]\n' "$(basename "$0")"
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}
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while [[ "$#" -gt 0 ]]; do
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case "$1" in
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--before-file) BEFORE_FILE="${2:-}"; shift 2 ;;
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-h|--help) usage; exit 0 ;;
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*) critical "Unknown argument: $1"; usage; exit 2 ;;
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esac
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done
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require_cmd df || exit 1
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section "Post-Cleanup Disk Space"
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df -h 2>&1 | tee -a "$LOG_FILE"
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section "Post-Cleanup Inodes"
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df -i 2>&1 | tee -a "$LOG_FILE" || warning "Unable to collect inode usage"
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section "Critical Filesystem Check"
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while read -r fs size used avail pct mount; do
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percent="$(usage_percent_number "$pct")"
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if (( percent >= EMERGENCY_THRESHOLD )); then
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critical "$mount is still ${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 remains high at ${pct} on $fs"
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else
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ok "$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, $6 }')
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if [[ -n "$BEFORE_FILE" ]]; then
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section "Before And After Comparison"
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if [[ ! -f "$BEFORE_FILE" ]]; then
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warning "Before file not found: $BEFORE_FILE"
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else
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awk '
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NR == FNR && FNR > 1 {
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before[$6] = $5
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next
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}
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FNR > 1 {
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mount = $6
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if (mount in before) {
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before_pct = before[mount]
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after_pct = $5
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gsub(/%/, "", before_pct)
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gsub(/%/, "", after_pct)
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if (after_pct < before_pct) {
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status = "OK"
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result = "improved"
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} else if (after_pct == before_pct) {
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status = "WARNING"
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result = "unchanged"
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} else {
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status = "WARNING"
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result = "increased"
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}
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printf "%s: %s before=%s after=%s (%s)\n", status, mount, before[mount], $5, result
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}
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}
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' "$BEFORE_FILE" <(df -P -h) | tee -a "$LOG_FILE"
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fi
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else
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warning "No --before-file supplied. Improvement comparison skipped."
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fi
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if [[ "$exit_code" -eq 0 ]]; then
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ok "Post-check completed without emergency-threshold filesystems."
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else
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critical "One or more filesystems remain at or above ${EMERGENCY_THRESHOLD}%."
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fi
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exit "$exit_code"
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