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https://issues.apache.org/jira/browse/MESOS-5119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Browning updated MESOS-5119:
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Shepherd: Yan Xu
> Support directory structure in CommandInfo.URI.filename in fetcher
> ------------------------------------------------------------------
>
> Key: MESOS-5119
> URL: https://issues.apache.org/jira/browse/MESOS-5119
> Project: Mesos
> Issue Type: Improvement
> Components: fetcher
> Reporter: Yan Xu
>
> In MESOS-4735, {{CommandInfo.URI.filename}} is added but there is no
> validation to make sure it's a simple basename, so people can actually
> specify the filename to be something like {{path/to/file}} but the validation
> [won't catch it|https://reviews.apache.org/r/45046/#comment190155]. The fetch
> will fail later in {{download()}} because it cannot open a destination file
> without its parent directory.
> Instead of fixing this by disallowing such output filename, we could actually
> support this behavior. There are use cases where multiple fetch targets have
> the same basename but they are organized by a directory hierarchy.
> {noformat:title=}
> root/app.dat
> root/parent/app.dat
> root/parent/child/app.dat
> {noformat}
> It looks to me that supporting this is straightforward and we just need to 1)
> make sure the output path is within the sandbox and 2) recursively mkdirs for
> the parent dirs.
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