feat : add Discord notifications to backup script

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.env.example

@@ -1,3 +1,6 @@
 # Superuser PostgreSQL (utilise pour creer les BDD/users au premier lancement)
 POSTGRES_USER=admin
 POSTGRES_PASSWORD=change-me
+
+# Notifications Discord (optionnel)
+DISCORD_WEBHOOK_URL=

backup.sh

@@ -3,16 +3,64 @@ set -euo pipefail
 
 cd "$(dirname "$0")"
 
+# Charger les variables d'environnement
+source .env
+
 BACKUP_DIR="./backups"
+DATABASES=("sirh_prod" "inventory_prod" "lesstime_prod")
 DATE=$(date +%Y-%m-%d_%H%M%S)
+LOG_FILE="${BACKUP_DIR}/backup.log"
+WEBHOOK_URL="${DISCORD_WEBHOOK_URL:-}"
 
 mkdir -p "$BACKUP_DIR"
 
-echo "==> Dumping all databases..."
-docker compose exec -T postgres pg_dumpall -U admin > "${BACKUP_DIR}/all-databases-${DATE}.sql"
+log() { echo "[$(date '+%Y-%m-%d %H:%M:%S')] $*" | tee -a "$LOG_FILE"; }
 
-echo "==> Backup saved to ${BACKUP_DIR}/all-databases-${DATE}.sql"
+discord() {
+    local color="$1" title="$2" msg="$3"
+    [[ -z "$WEBHOOK_URL" ]] && return 0
+    curl -fsS -H "Content-Type: application/json" -d "{
+        \"embeds\": [{
+            \"title\": \"${title}\",
+            \"description\": \"${msg}\",
+            \"color\": ${color}
+        }]
+    }" "$WEBHOOK_URL" >/dev/null 2>&1 || true
+}
 
-# Garder les 7 derniers backups
-ls -t "${BACKUP_DIR}"/all-databases-*.sql | tail -n +8 | xargs -r rm --
-echo "==> Old backups cleaned (keeping last 7)."
+fail() {
+    log "ERROR: $1"
+    discord 16711680 "Backup PostgreSQL - ECHEC" "$1"
+    exit 1
+}
+
+# Verifications
+command -v docker &>/dev/null || fail "docker n'est pas installe"
+
+# Supprimer les anciens backups (on ne garde que le dernier)
+rm -f "${BACKUP_DIR}"/*.sql
+
+log "Debut backup PostgreSQL"
+
+DETAILS=""
+ERRORS=0
+
+for DB in "${DATABASES[@]}"; do
+    log "Dumping ${DB}..."
+    if docker compose exec -T postgres pg_dump -U admin "$DB" > "${BACKUP_DIR}/${DB}-${DATE}.sql" 2>/dev/null; then
+        SIZE=$(du -h "${BACKUP_DIR}/${DB}-${DATE}.sql" | cut -f1)
+        log "${DB} sauvegarde (${SIZE})"
+        DETAILS="${DETAILS}\\n- **${DB}** : ${SIZE}"
+    else
+        log "ERREUR sur ${DB}"
+        DETAILS="${DETAILS}\\n- **${DB}** : ERREUR"
+        ((ERRORS++))
+    fi
+done
+
+if [[ $ERRORS -gt 0 ]]; then
+    fail "Backup termine avec ${ERRORS} erreur(s) :${DETAILS}"
+fi
+
+log "Backup termine avec succes"
+discord 65280 "Backup PostgreSQL - OK" "Backup **${DATE}** termine\\n${DETAILS}"