Mateusz Suski
125 lines
2.2 KiB
Bash
Executable File
125 lines
2.2 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -o errexit
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set -o nounset
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set -o pipefail
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TIMESTAMP="${TIMESTAMP:-$(date +%Y%m%d_%H%M%S)}"
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DRY_RUN="${DRY_RUN:-true}"
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LOG_FILE="${LOG_FILE:-/tmp/disk_full_${TIMESTAMP}.log}"
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WARN_THRESHOLD="${WARN_THRESHOLD:-80}"
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CRIT_THRESHOLD="${CRIT_THRESHOLD:-90}"
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EMERGENCY_THRESHOLD="${EMERGENCY_THRESHOLD:-95}"
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log() {
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local level="$1"
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shift
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local message="$*"
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printf '%s: %s\n' "$level" "$message" | tee -a "$LOG_FILE"
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}
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ok() {
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log "OK" "$@"
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}
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warning() {
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log "WARNING" "$@"
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}
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critical() {
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log "CRITICAL" "$@"
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}
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section() {
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printf '\n== %s ==\n' "$1" | tee -a "$LOG_FILE"
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}
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require_cmd() {
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local cmd="$1"
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if command -v "$cmd" >/dev/null 2>&1; then
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return 0
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fi
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warning "Command not available: $cmd"
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return 1
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}
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run_cmd() {
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if [[ "$#" -eq 0 ]]; then
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critical "run_cmd called without a command"
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return 2
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fi
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if [[ "$DRY_RUN" == "true" ]]; then
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ok "DRY-RUN: $*"
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return 0
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fi
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ok "RUN: $*"
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"$@" 2>&1 | tee -a "$LOG_FILE"
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}
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confirm_execute() {
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local target="${1:-disk-full remediation}"
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if [[ "$DRY_RUN" == "true" ]]; then
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ok "Safe mode enabled. No destructive actions will be taken."
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return 0
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fi
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warning "Execution mode requested for: $target"
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warning "Confirm the affected filesystem, application impact, backups, and change approval before continuing."
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printf 'Type EXECUTE to continue: '
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read -r confirmation
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if [[ "$confirmation" != "EXECUTE" ]]; then
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critical "Confirmation failed. Aborting."
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exit 1
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fi
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ok "Execution confirmed by operator."
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}
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validate_path() {
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local path="$1"
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if [[ -z "$path" ]]; then
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critical "Path cannot be empty"
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return 2
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fi
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if [[ ! -e "$path" ]]; then
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critical "Path does not exist: $path"
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return 2
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fi
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}
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usage_percent_number() {
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local value="$1"
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printf '%s\n' "${value%\%}"
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}
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status_for_percent() {
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local percent="$1"
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if (( percent >= EMERGENCY_THRESHOLD )); then
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printf 'CRITICAL'
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elif (( percent >= CRIT_THRESHOLD )); then
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printf 'WARNING'
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elif (( percent >= WARN_THRESHOLD )); then
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printf 'WARNING'
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else
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printf 'OK'
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fi
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}
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safe_find_prune_args() {
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printf '%s\n' \
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-path /proc -o \
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-path /sys -o \
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-path /dev -o \
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-path /run -o \
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-path /tmp/systemd-private-\*
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}
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