Create cleanup_downloads.sh

2025-12-10 13:08:11 +01:00
parent 09dfeb700f
commit f89735c82d
1 changed files with 153 additions and 0 deletions
--- a/cleanup_downloads.sh
+++ b/cleanup_downloads.sh
@@ -0,0 +1,153 @@
+#!/usr/bin/env bash
+# Nettoyage des downloads incoming :
+# - /downloads/incoming/medias
+# - /downloads/incoming/music
+# Rétention : fichiers de plus de 168h supprimés
+# Notification Discord avec log joint.
+# Le log ne contient que le dernier run.
+
+set -euo pipefail
+
+# ------------ CONFIG ------------
+WEBHOOK_URL="https://discord.com/api/webhooks/1234567890987654321/khsbdfghiebdghasblibfkshdbgklasjdbgkvjdsbvkjdsbskbjv"
+
+DIRS=(
+  "/downloads/incoming/medias"
+  "/downloads/incoming/music"
+)
+
+# Âge minimum avant suppression (en heures)
+MIN_AGE_HOURS=168
+
+LOG_FILE="/var/log/cleanup_downloads.log"
+# --------------------------------
+
+timestamp() {
+  date +"%Y-%m-%d %H:%M:%S"
+}
+
+ensure_jq() {
+  if ! command -v jq >/dev/null 2>&1; then
+    echo "[$(timestamp)] jq introuvable, installation..." >> "$LOG_FILE"
+    apt update -y >> "$LOG_FILE" 2>&1
+    apt install -y jq >> "$LOG_FILE" 2>&1
+  fi
+}
+
+send_discord() {
+  local message="$1"
+  local logfile="$2"
+
+  # Respect limite Discord (2000 caractères pour content)
+  local max_len=1900
+  local msg_len=${#message}
+  if [ "$msg_len" -gt "$max_len" ]; then
+    message="${message:0:$max_len}…(truncated)"
+  fi
+
+  # Payload JSON avec jq -Rs
+  local json_payload
+  json_payload=$(printf '%s' "$message" | jq -Rs '{content: .}')
+
+  curl -sS -X POST \
+    -F "payload_json=$json_payload" \
+    -F "file=@${logfile};type=text/plain" \
+    "$WEBHOOK_URL" >/dev/null 2>&1 || {
+      echo "[$(timestamp)] ERREUR : envoi Discord échoué" >> "$LOG_FILE"
+    }
+}
+
+main() {
+  mkdir -p "$(dirname "$LOG_FILE")"
+
+  # On nettoie le log : ne conserver que le run courant
+  : > "$LOG_FILE"
+
+  ensure_jq
+
+  echo "[$(timestamp)] --- Début nettoyage downloads incoming ---" >> "$LOG_FILE"
+  echo "[$(timestamp)] Rétention : ${MIN_AGE_HOURS}h" >> "$LOG_FILE"
+
+  local -a sizes_before=()
+  local -a sizes_after=()
+  local -a deleted_counts=()
+
+  local min_age_minutes=$(( MIN_AGE_HOURS * 60 ))
+
+  for DIR in "${DIRS[@]}"; do
+    echo "[$(timestamp)] Traitement du dossier : $DIR" >> "$LOG_FILE"
+
+    if [ ! -d "$DIR" ]; then
+      echo "[$(timestamp)]  -> SKIP : dossier introuvable" >> "$LOG_FILE"
+      sizes_before+=("N/A")
+      sizes_after+=("N/A")
+      deleted_counts+=("0")
+      continue
+    fi
+
+    # Taille avant
+    local size_before
+    size_before=$(du -sh "$DIR" 2>/dev/null | awk '{print $1}')
+    sizes_before+=("$size_before")
+    echo "[$(timestamp)]  -> Taille avant : $size_before" >> "$LOG_FILE"
+
+    # Liste des fichiers à supprimer
+    # On EXCLUT les fichiers spéciaux NFS (.nfs*)
+    mapfile -t FILES_TO_DELETE < <(
+      find "$DIR" -type f -mmin +"$min_age_minutes" ! -name '.nfs*' -print 2>/dev/null || true
+    )
+
+    local deleted_count=0
+    if [ "${#FILES_TO_DELETE[@]}" -gt 0 ]; then
+      echo "[$(timestamp)]  -> Fichiers supprimés :" >> "$LOG_FILE"
+      for f in "${FILES_TO_DELETE[@]}"; do
+        echo "[$(timestamp)]     $f" >> "$LOG_FILE"
+        if rm -f -- "$f" 2>>"$LOG_FILE"; then
+          deleted_count=$((deleted_count + 1))
+        else
+          echo "[$(timestamp)]        -> ERREUR : impossible de supprimer ($f), on continue." >> "$LOG_FILE"
+        fi
+      done
+    else
+      echo "[$(timestamp)]  -> Aucun fichier à supprimer (> ${MIN_AGE_HOURS}h)" >> "$LOG_FILE"
+    fi
+    deleted_counts+=("$deleted_count")
+
+    # Suppression des dossiers vides
+    echo "[$(timestamp)]  -> Suppression des dossiers vides :" >> "$LOG_FILE"
+    find "$DIR" -mindepth 1 -type d -empty -print -delete >> "$LOG_FILE" 2>&1 || true
+
+    # Taille après
+    local size_after
+    size_after=$(du -sh "$DIR" 2>/dev/null | awk '{print $1}')
+    sizes_after+=("$size_after")
+    echo "[$(timestamp)]  -> Taille après : $size_after" >> "$LOG_FILE"
+  done
+
+  echo "[$(timestamp)] --- Fin nettoyage downloads incoming ---" >> "$LOG_FILE"
+  echo >> "$LOG_FILE"
+
+  # Construction du message Discord (multi-ligne propre)
+  local msg="📂 Cleanup downloads (docker-ptr)
+
+Date : $(timestamp)
+Rétention : ${MIN_AGE_HOURS}h (7 jours)
+
+Résumé par répertoire :"
+
+  local i=0
+  local n=${#DIRS[@]}
+  while [ "$i" -lt "$n" ]; do
+    msg+=$'\n'"${DIRS[$i]} :"
+    msg+=$'\n'"  • avant     : ${sizes_before[$i]}"
+    msg+=$'\n'"  • après     : ${sizes_after[$i]}"
+    msg+=$'\n'"  • supprimés : ${deleted_counts[$i]}"
+    i=$((i + 1))
+  done
+
+  msg+=$'\n\n'"Log complet en pièce jointe."
+
+  send_discord "$msg" "$LOG_FILE"
+}
+
+main "$@"