Report action cleanup errors to the user & various cleanup fixes for recipe action #301
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Rather than panicing on error, bubble up an error so that the execution may recover correctly and the error shown to the user. Fixes: go-debos#413 Signed-off-by: Christopher Obbard <[email protected]>
Currently the debos error handling sets an exitcode during the run, then exits with that code once execution has finished. This paradigm is quite fragile, so let's switch around the error handling to use context.State to track errors and check the state of this variable after the run has completed. While we are here, rename the checkError function to handleError to better describe the function's intent and make it return a boolean to show that an error has been handled. Rework the do_run function to also return a boolean to show that an error occurred during the run. Signed-off-by: Christopher Obbard <[email protected]>
Signed-off-by: Christopher Obbard <[email protected]>
Rework the error handling to show where an error occured during the run. Also print all error messages to the log rather than stdout. Signed-off-by: Christopher Obbard <[email protected]>
Currently any errors from the cleanup of an action are discarded and not reported to the user. So let's report errors during the cleanup to the user and indicate that the overall execution actually failed by setting the exitcode appropriately. Signed-off-by: Christopher Obbard <[email protected]>
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Other parts of the codebase will need to use the handleError function so refactor it into the main debos namespace. Signed-off-by: Christopher Obbard <[email protected]>
Unify the recipe action to handle action cleanup errors in the same way as Debos handles the cleanup functions. Specifically: - run all cleanup functions, even if a previous one failed, - run cleanup functions in the reverse order to the action, - report all errors during cleanup. Fixes: 74df488 ("actions: Add recipe action") Signed-off-by: Christopher Obbard <[email protected]>
When running nested recipes using the recipe action, if an action in the child recipe exits early (e.g. on failure) the remaining actions do not run but the cleanup functions for these remaining actions still run even though there is nothing to cleanup. This doesn't follow how Debos handles running standalone recipes, so modify the recipe action to only run action cleanup functions when the associated action needs to be cleaned up. Fixes: 74df488 ("actions: Add recipe action") Signed-off-by: Christopher Obbard <[email protected]>
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Draft as depends on #303