Add default value for device.cryptoki.socket_path

Signed-off-by: Marcel Guzik <[email protected]>

Author: Bravo555

crates/common/tedge_config/src/tedge_toml/tedge_config.rs

@@ -155,7 +155,7 @@ define_tedge_config! {
             /// A path to the tedge-p11-server socket.
             ///
             /// Needs to be set when `device.cryptoki.mode` is set to `module`
-            #[tedge_config(example = "/run/tedge-p11-server/tedge-p11-server.sock")]
+            #[tedge_config(default(value = "/run/tedge-p11-server/tedge-p11-server.sock"), example = "/run/tedge-p11-server/tedge-p11-server.sock")]
             #[doku(as = "PathBuf")]
             socket_path: Utf8PathBuf,
         },

crates/common/tedge_config/src/tedge_toml/tedge_config/mqtt_config.rs

@@ -207,11 +207,7 @@ impl TEdgeConfigReaderDeviceCryptoki {
                 serial: None,
             }))),
             Cryptoki::Socket => Ok(Some(CryptokiConfig::SocketService {
-                socket_path: self
-                    .socket_path
-                    .or_config_not_set()
-                    .context("required because `device.cryptoki.mode` is set to `socket`")?
-                    .clone(),
+                socket_path: self.socket_path.clone(),
             })),
         }
     }