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https://issues.apache.org/jira/browse/MESOS-2210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14595013#comment-14595013
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Adam B commented on MESOS-2210:
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Technically only NUL '\0' and forward-slash '/' are disallowed in Linux
filenames, but other characters like wildcards, newlines, etc. could wreak
havoc if we don't escape/handle them properly in our program. You'll probably
also want to disallow a role named just "." since you cannot create a directory
named ".". Also, leading '-'s can cause programs to interpret them as flags.
Relevant read: http://www.dwheeler.com/essays/fixing-unix-linux-filenames.html
> Disallow special characters in role.
> ------------------------------------
>
> Key: MESOS-2210
> URL: https://issues.apache.org/jira/browse/MESOS-2210
> Project: Mesos
> Issue Type: Task
> Reporter: Jie Yu
> Labels: newbie
>
> As we introduce persistent volumes in MESOS-1524, we will use roles as
> directory names on the slave (https://reviews.apache.org/r/28562/). As a
> result, the master should disallow special characters (like space and slash)
> in role.
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