Add Server Buddy desktop app with local Linux assessment and reporting

server_buddy/collectors/demo.py

@@ -0,0 +1,13 @@
+import json
+from pathlib import Path
+from server_buddy.core.validation import validate_hostname
+
+DEMO_HOST = "demo-web-01.example.test"
+LINUX_DEMO_HOST = "demo-rhel-01.example.test"
+DEMO_FILES = {DEMO_HOST: "demo_inventory.json", LINUX_DEMO_HOST: "demo_linux_inventory.json"}
+
+def collect_demo(hostname):
+    hostname = validate_hostname(hostname)
+    if hostname not in DEMO_FILES:
+        raise ValueError("Demo mode supports " + " or ".join(DEMO_FILES) + ". No real host was contacted.")
+    return json.loads((Path(__file__).resolve().parents[1] / "assets" / DEMO_FILES[hostname]).read_text())