Handle container errors correctly

buildrunner/__init__.py

@@ -18,6 +18,7 @@
 import sys
 import tarfile
 import tempfile
+import traceback
 import types
 from typing import List, Optional
 
@@ -35,6 +36,7 @@
 from buildrunner.errors import (
     BuildRunnerConfigurationError,
     BuildRunnerProcessingError,
+    BuildRunnerError,
 )
 from buildrunner.steprunner import BuildStepRunner
 from buildrunner.docker.multiplatform_image_builder import MultiplatformImageBuilder
@@ -470,13 +472,6 @@ def run(self):  # pylint: disable=too-many-statements,too-many-branches,too-many
                         )
                 else:
                     self.log.write("\nPush not requested\n")
-
-        except BuildRunnerConfigurationError as brce:
-            exit_explanation = str(brce)
-            self.exit_code = os.EX_CONFIG
-        except BuildRunnerProcessingError as brpe:
-            exit_explanation = str(brpe)
-            self.exit_code = 1
         except requests.exceptions.ConnectionError as rce:
             print(str(rce))
             exit_explanation = (
@@ -486,6 +481,12 @@ def run(self):  # pylint: disable=too-many-statements,too-many-branches,too-many
                 "remote PyPi server information is set correctly."
             )
             self.exit_code = 1
+        except BuildRunnerError as exc:
+            exit_explanation = str(exc)
+            self.exit_code = 1
+        except Exception as exc:
+            exit_explanation = f"Encountered unhandled exception ({type(exc).__name__}) {traceback.format_exc()}"
+            self.exit_code = 1
 
         finally:
             self._write_artifact_manifest()