Add invalid host to error message

Author: sbernauer

crates/stackable-operator/src/commons/networking.rs

@@ -79,7 +79,9 @@ impl FromStr for Host {
             return Ok(Host::Hostname(hostname));
         };
 
-        Err(validation::Error::InvalidHost {})
+        Err(validation::Error::InvalidHost {
+            host: value.to_owned(),
+        })
     }
 }
 

crates/stackable-operator/src/validation.rs

@@ -92,9 +92,9 @@ pub enum Error {
     TooLong { length: usize, max_length: usize },
 
     #[snafu(display(
-        "input is not a valid host, which needs to be either a hostname or IP address"
+        "The input '{host}' is not a valid host, which needs to be either a hostname or IP address"
     ))]
-    InvalidHost {},
+    InvalidHost { host: String },
 }
 
 #[derive(Debug)]