Enhance exception handling

theodolite/src/main/kotlin/theodolite/benchmark/ConfigMapResourceSet.kt

@@ -36,9 +36,9 @@ class ConfigMapResourceSet: ResourceSet, KubernetesResource {
                 .data
                 .filter { it.key.endsWith(".yaml") } // consider only yaml files, e.g. ignore readme files
         } catch (e: KubernetesClientException) {
-            throw DeploymentFailedException("can not find or read configmap:  $name, error is:  ${e.message}")
+            throw DeploymentFailedException("can not find or read configmap:  $name", e)
         } catch (e: IllegalStateException) {
-            throw DeploymentFailedException("can not find configmap or data section is null $name, error is: ${e.message}")
+            throw DeploymentFailedException("can not find configmap or data section is null $name", e)
         }
 
         if (::files.isInitialized){
@@ -56,7 +56,7 @@ class ConfigMapResourceSet: ResourceSet, KubernetesResource {
                         it.second.key,
                         loader.loadK8sResource(it.first, it.second.value)) }
         } catch (e: IllegalArgumentException) {
-            throw  DeploymentFailedException("Can not creat resource set from specified configmap" + e.message)
+            throw  DeploymentFailedException("Can not creat resource set from specified configmap", e)
         }
 
     }
@@ -68,7 +68,7 @@ class ConfigMapResourceSet: ResourceSet, KubernetesResource {
         return try {
             resourceAsMap?.get("kind") !!
         } catch (e: NullPointerException) {
-            throw DeploymentFailedException( "Could not find field kind of Kubernetes resource: ${resourceAsMap?.get("name")}" )
+            throw DeploymentFailedException( "Could not find field kind of Kubernetes resource: ${resourceAsMap?.get("name")}", e)
         }
     }
 }
\ No newline at end of file

theodolite/src/main/kotlin/theodolite/benchmark/FileSystemResourceSet.kt

@@ -37,7 +37,7 @@ class FileSystemResourceSet: ResourceSet, KubernetesResource {
                     loadSingleResource(resourceURL = it, client = client)
                 }
         } catch (e: NullPointerException) {
-            throw  DeploymentFailedException("Could not load files located in $path, error is: ${e.message}")
+            throw  DeploymentFailedException("Could not load files located in $path", e)
         }
     }
 
@@ -50,9 +50,9 @@ class FileSystemResourceSet: ResourceSet, KubernetesResource {
         try {
             kind = parser.parse(resourcePath, HashMap<String, String>()::class.java)?.get("kind")!!
         } catch (e: NullPointerException) {
-            throw DeploymentFailedException("Can not get Kind from resource $resourcePath, error is ${e.message}")
+            throw DeploymentFailedException("Can not get Kind from resource $resourcePath", e)
         } catch (e: FileNotFoundException){
-            throw DeploymentFailedException("File $resourcePath not found")
+            throw DeploymentFailedException("File $resourcePath not found", e)
 
         }
 
@@ -60,7 +60,7 @@ class FileSystemResourceSet: ResourceSet, KubernetesResource {
             val k8sResource = loader.loadK8sResource(kind, resourcePath)
             Pair(resourceURL, k8sResource)
         } catch (e: IllegalArgumentException) {
-            throw DeploymentFailedException("Could not load resource: $resourcePath, caused by exception: ${e.message}")
+            throw DeploymentFailedException("Could not load resource: $resourcePath", e)
         }
     }
 }
\ No newline at end of file

theodolite/src/main/kotlin/theodolite/util/DeploymentFailedException.kt

 package theodolite.util
 
 
-class DeploymentFailedException(message: String) : Exception(message)
\ No newline at end of file
+class DeploymentFailedException(message: String, e: Exception? = null): Exception(message, e)
\ No newline at end of file