Initial backup skill implementation

scripts/run.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+set -e
+
+BACKUP_SCHEDULE="${BACKUP_SCHEDULE:-0 3 * * *}"
+SKILL_DIR="$(dirname "$(dirname "$0")")"
+
+# Validate password is set
+if [ -z "$BACKUP_PASSWORD" ]; then
+    echo "ERROR: BACKUP_PASSWORD is required"
+    echo "Set BACKUP_PASSWORD environment variable to enable backups"
+    exit 1
+fi
+
+# Setup cron job for scheduled backups
+setup_cron() {
+    local cron_file="/etc/cron.d/vibestack-backup"
+    local backup_script="$SKILL_DIR/scripts/backup.sh"
+
+    # Build environment exports for cron
+    local env_exports=""
+    env_exports+="BACKUP_PASSWORD='$BACKUP_PASSWORD' "
+    env_exports+="BACKUP_TARGET='${BACKUP_TARGET:-/backups}' "
+    env_exports+="BACKUP_RETENTION='${BACKUP_RETENTION:-7d}' "
+
+    [ -n "$BACKUP_S3_ACCESS_KEY" ] && env_exports+="BACKUP_S3_ACCESS_KEY='$BACKUP_S3_ACCESS_KEY' "
+    [ -n "$BACKUP_S3_SECRET_KEY" ] && env_exports+="BACKUP_S3_SECRET_KEY='$BACKUP_S3_SECRET_KEY' "
+    [ -n "$BACKUP_B2_ACCOUNT_ID" ] && env_exports+="BACKUP_B2_ACCOUNT_ID='$BACKUP_B2_ACCOUNT_ID' "
+    [ -n "$BACKUP_B2_ACCOUNT_KEY" ] && env_exports+="BACKUP_B2_ACCOUNT_KEY='$BACKUP_B2_ACCOUNT_KEY' "
+
+    # Create cron job
+    cat > "$cron_file" << EOF
+# VibeStack automated backup
+SHELL=/bin/bash
+PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
+
+$BACKUP_SCHEDULE root $env_exports $backup_script >> /var/log/vibestack-backup.log 2>&1
+EOF
+
+    chmod 644 "$cron_file"
+    echo "Cron job configured: $BACKUP_SCHEDULE"
+}
+
+# Write initial status
+write_status() {
+    cat > /run/vibestack/backup-status.json << EOF
+{
+  "status": "running",
+  "schedule": "$BACKUP_SCHEDULE",
+  "target": "${BACKUP_TARGET:-/backups}",
+  "last_backup": null,
+  "last_status": null
+}
+EOF
+}
+
+setup_cron
+write_status
+
+echo "Starting cron daemon for scheduled backups..."
+echo "Schedule: $BACKUP_SCHEDULE"
+echo "Target: ${BACKUP_TARGET:-/backups}"
+echo ""
+echo "Manual backup: $SKILL_DIR/scripts/backup.sh"
+echo "Manual restore: $SKILL_DIR/scripts/restore.sh --list"
+
+# Start cron in foreground
+exec cron -f