Tim Gross f4de94c6d8 docker: improve error message for auth helper ...

The error returned from the stdlib's `exec` package is always a message with
the exit code of the exec'd process, not any error message that process might
have given us. This results in opaque failures for the Nomad user. Cast to an
`ExitError` so that we can access the output from stderr.

2021-05-03 11:30:12 -04:00

8.6 KiB

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