[minor] Add backup.py

Author: whitfiea

src/mas/devops/backup.py

@@ -0,0 +1,66 @@
+# *****************************************************************************
+# Copyright (c) 2026 IBM Corporation and other Contributors.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Eclipse Public License v1.0
+# which accompanies this distribution, and is available at
+# http://www.eclipse.org/legal/epl-v10.html
+#
+# *****************************************************************************
+import logging
+import os
+import yaml
+
+logger = logging.getLogger(name=__name__)
+
+
+def createBackupDirectories(paths: list) -> bool:
+    """
+    Create backup directories if they do not exist
+    """
+    try:
+        for path in paths:
+            os.makedirs(path, exist_ok=True)
+            logger.info(msg=f"Created backup directory: {path}")
+        return True
+    except Exception as e:
+        logger.error(msg=f"Error creating backup directories: {e}")
+        return False
+
+
+def copyContentsToYamlFile(file_path: str, content: dict) -> bool:
+    """
+    Write dictionary content to a YAML file
+    """
+    try:
+        with open(file_path, 'w') as yaml_file:
+            yaml.dump(content, yaml_file, default_flow_style=False)
+        return True
+    except Exception as e:
+        logger.error(f"Error writing to YAML file {file_path}: {e}")
+        return False
+
+
+def filterResourceData(data: dict) -> dict:
+    """
+    Filter metadata from Resource data and create minimal dict
+    """
+    metadata_fields_to_remove = [
+        'annotations',
+        'creationTimestamp',
+        'generation',
+        'resourceVersion',
+        'selfLink',
+        'uid',
+        'managedFields'
+    ]
+    filteredCopy = data.copy()
+    if 'metadata' in filteredCopy:
+        for field in metadata_fields_to_remove:
+            if field in filteredCopy['metadata']:
+                del filteredCopy['metadata'][field]
+
+    if 'status' in filteredCopy:
+        del filteredCopy['status']
+    
+    return filteredCopy