feat: adds borg, timers and systemd service support

config/ansible/templates/borg-backup.sh.j2

@@ -0,0 +1,96 @@
+#!/bin/bash
+
+# Borg backup script for /mnt/services
+# This script creates incremental backups of the services directory
+
+# Set environment variables
+export BORG_REPO="{{ borg_repo_dir }}"
+export BORG_PASSPHRASE="{{ borg_passphrase }}"
+export BORG_CACHE_DIR="{{ borg_config_dir }}/cache"
+export BORG_CONFIG_DIR="{{ borg_config_dir }}/config"
+export BORG_SECURITY_DIR="{{ borg_config_dir }}/security"
+export BORG_KEYS_DIR="{{ borg_config_dir }}/keys"
+
+# Backup name with timestamp
+BACKUP_NAME="services-$(date +%Y%m%d-%H%M%S)"
+
+# Log function
+log() {
+    echo "$(date '+%Y-%m-%d %H:%M:%S') - $1" | tee -a /var/log/borg-backup.log
+}
+
+# Ensure all Borg directories exist
+mkdir -p "$BORG_CACHE_DIR"
+mkdir -p "$BORG_CONFIG_DIR"
+mkdir -p "$BORG_SECURITY_DIR"
+mkdir -p "$BORG_KEYS_DIR"
+
+# Start backup
+log "Starting Borg backup: $BACKUP_NAME"
+
+# Create backup
+borg create \
+    --verbose \
+    --filter AME \
+    --list \
+    --stats \
+    --show-rc \
+    --compression lz4 \
+    --exclude-caches \
+    --exclude '*.tmp' \
+    --exclude '*.temp' \
+    --exclude '*.log' \
+    --exclude '*/.cache' \
+    --exclude '*/cache' \
+    --exclude '*/logs' \
+    --exclude '*/tmp' \
+    --exclude '*/node_modules' \
+    --exclude '*/__pycache__' \
+    "::$BACKUP_NAME" \
+    {{ borg_backup_dir }}
+
+backup_exit=$?
+
+log "Backup finished with exit code: $backup_exit"
+
+# Prune old backups (keep last 7 daily, 4 weekly, 6 monthly)
+log "Pruning old backups"
+
+# Check if there are any archives to prune first
+archive_count=$(borg list --short --prefix 'services-' 2>/dev/null | wc -l)
+
+if [ "$archive_count" -gt 1 ]; then
+    borg prune \
+        --list \
+        --prefix 'services-' \
+        --show-rc \
+        --keep-daily 7 \
+        --keep-weekly 4 \
+        --keep-monthly 6
+    prune_exit=$?
+else
+    log "Only one or no archives found, skipping prune"
+    prune_exit=0
+fi
+
+log "Prune finished with exit code: $prune_exit"
+
+# Compact repository
+log "Compacting repository"
+borg compact
+
+compact_exit=$?
+
+log "Compact finished with exit code: $compact_exit"
+
+# Global exit status
+global_exit=$(( backup_exit > prune_exit ? backup_exit : prune_exit ))
+global_exit=$(( compact_exit > global_exit ? compact_exit : global_exit ))
+
+if [ $global_exit -eq 0 ]; then
+    log "Backup completed successfully"
+else
+    log "Backup completed with warnings or errors (exit code: $global_exit)"
+fi
+
+exit $global_exit