chore: Updating documentation and adding exception handling for Vector Stores in RAG Tool and updating inference to use openai and updating memory implementation to use existing libraries

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

scripts/get_setup_env.py

@@ -0,0 +1,71 @@
+#!/usr/bin/env python3
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the terms described in the LICENSE file in
+# the root directory of this source tree.
+
+"""
+Small helper script to extract environment variables from a test setup.
+Used by integration-tests.sh to set environment variables before starting the server.
+"""
+
+import argparse
+import sys
+
+from tests.integration.suites import SETUP_DEFINITIONS, SUITE_DEFINITIONS
+
+
+def get_setup_env_vars(setup_name, suite_name=None):
+    """
+    Get environment variables for a setup, with optional suite default fallback.
+
+    Args:
+        setup_name: Name of the setup (e.g., 'ollama', 'gpt')
+        suite_name: Optional suite name to get default setup if setup_name is None
+
+    Returns:
+        Dictionary of environment variables
+    """
+    # If no setup specified, try to get default from suite
+    if not setup_name and suite_name:
+        suite = SUITE_DEFINITIONS.get(suite_name)
+        if suite and suite.default_setup:
+            setup_name = suite.default_setup
+
+    if not setup_name:
+        return {}
+
+    setup = SETUP_DEFINITIONS.get(setup_name)
+    if not setup:
+        print(
+            f"Error: Unknown setup '{setup_name}'. Available: {', '.join(sorted(SETUP_DEFINITIONS.keys()))}",
+            file=sys.stderr,
+        )
+        sys.exit(1)
+
+    return setup.env
+
+
+def main():
+    parser = argparse.ArgumentParser(description="Extract environment variables from a test setup")
+    parser.add_argument("--setup", help="Setup name (e.g., ollama, gpt)")
+    parser.add_argument("--suite", help="Suite name to get default setup from if --setup not provided")
+    parser.add_argument("--format", choices=["bash", "json"], default="bash", help="Output format (default: bash)")
+
+    args = parser.parse_args()
+
+    env_vars = get_setup_env_vars(args.setup, args.suite)
+
+    if args.format == "bash":
+        # Output as bash export statements
+        for key, value in env_vars.items():
+            print(f"export {key}='{value}'")
+    elif args.format == "json":
+        import json
+
+        print(json.dumps(env_vars))
+
+
+if __name__ == "__main__":
+    main()