feat: add samba and proxmox modules, update config with node secrets

infra_cli/config.py

@@ -12,12 +12,12 @@ class Config:
         if not os.path.exists(self.path):
             # Fallback to local config if exists
             if os.path.exists("config.yaml"):
-                self.path = "config.yaml"
+                self.path = os.path.abspath("config.yaml")
             else:
                 raise FileNotFoundError(f"Config file not found at {self.path}. Please create it based on config.yaml.example")
         
         with open(self.path, 'r') as f:
-            return yaml.safe_vars(f) if hasattr(yaml, 'safe_vars') else yaml.safe_load(f)
+            return yaml.safe_load(f)
 
     def get(self, key, default=None):
         parts = key.split('.')
@@ -28,3 +28,20 @@ class Config:
             else:
                 return default
         return val
+
+    def get_node(self, node_name):
+        """Helper to get proxmox node details by name or default to first if none provided"""
+        nodes = self.get('proxmox.nodes', {})
+        if not nodes:
+            # Fallback for old single-host config if present
+            host = self.get('proxmox.host')
+            if host:
+                return {"host": host, "pass": self.get('proxmox.password')}
+            return None
+        
+        if not node_name:
+            # Default to first node found
+            return next(iter(nodes.values()))
+        
+        return nodes.get(node_name)
+