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Adjust error message to show that the capacity reservation does not exist #6887

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Adjust error message to show that the capacity reservation does not exist #6887

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Adjust error message to show that the capacity reservation does not e…
hgreebe Jun 17, 2025
6672d3a
Merge branch 'release-3.13' into release-3.13-patch
hgreebe Jun 23, 2025
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2 changes: 2 additions & 0 deletions cli/src/pcluster/models/cluster.py
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Original file line number Diff line number Diff line change
Expand Up @@ -500,6 +500,8 @@ def _validate_and_parse_config(
except ConfigValidationError as e:
raise e
except Exception as e:
if "Invalid type for parameter InstanceTypes[0], value: None, type: <class 'NoneType'>" in e.__str__():
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The logici around exception raising should not be based on error messages, as it is a fragile approach. Error messages are meant to change over time.
The logic should be based on something more stable, such as exception types.

raise ConfigValidationError(f"Invalid cluster configuration: Capacity reservation does not exist.")
raise ConfigValidationError(f"Invalid cluster configuration: {e}")

return config, validation_failures
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