Carry indivual fields in error message

Author: sbernauer

crates/stackable-operator/src/builder/pod/container.rs

@@ -28,11 +28,22 @@ pub enum Error {
 
     #[snafu(display(
         "The volumeMount is clashing with an already existing volumeMount with the same mountPath but a different content. \
-            The existing volumeMount is {existing_volume_mount:?}, the new one is {new_volume_mount:?}"
+            The shared mountPath is {mount_path:?}, \
+            the existing mount's volume name is {existing_volume_name:?}, \
+            the existing mount's subPath is {existing_sub_path:?}, \
+            the existing mount's SubPathExpr is {existing_sub_path_expr:?}, \
+            the new mount's volume name is {new_volume_name:?}, \
+            the new mount's subPath is {new_sub_path:?}, \
+            the new mount's SubPathExpr is {new_sub_path_expr:?}"
     ))]
-    ClashingVolumeMountMountPath {
-        existing_volume_mount: Box<VolumeMount>,
-        new_volume_mount: Box<VolumeMount>,
+    ClashingMountPath {
+        mount_path: String,
+        existing_volume_name: String,
+        existing_sub_path: Option<String>,
+        existing_sub_path_expr: Option<String>,
+        new_volume_name: String,
+        new_sub_path: Option<String>,
+        new_sub_path_expr: Option<String>,
     },
 }
 
@@ -219,9 +230,14 @@ impl ContainerBuilder {
         if let Some(existing_volume_mount) = self.volume_mounts.get(&volume_mount.mount_path) {
             ensure!(
                 existing_volume_mount == &volume_mount,
-                ClashingVolumeMountMountPathSnafu {
-                    existing_volume_mount: existing_volume_mount.clone(),
-                    new_volume_mount: volume_mount,
+                ClashingMountPathSnafu {
+                    mount_path: volume_mount.mount_path,
+                    existing_volume_name: existing_volume_mount.name.clone(),
+                    existing_sub_path: existing_volume_mount.sub_path.clone(),
+                    existing_sub_path_expr: existing_volume_mount.sub_path_expr.clone(),
+                    new_volume_name: volume_mount.name,
+                    new_sub_path: volume_mount.sub_path,
+                    new_sub_path_expr: volume_mount.sub_path_expr,
                 }
             );
         } else {