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https://issues.apache.org/jira/browse/HADOOP-12581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15011486#comment-15011486
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Alan Burlison commented on HADOOP-12581:
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There's this thing called POSIX that says how the things called UNIX are
supposed to behave. It's so old it even predates CoreUtils ;-)
http://pubs.opengroup.org/onlinepubs/9699919799/utilities/id.html
The commands used by ShellBasedIdMapping are id, awk, cut and getent. The first
3 are all POSIX, and are used by ShellBasedIdMapping in a POSIX-compliant way.
getent isn't POSIX but it originated in Solaris - the engineering discussion
started 18 March 1991 and the first draft manpage was on 21 March, which only
supported /etc/passwd and /etc/group. getent was subsequently copied by Linux
so I think it's safe to assume the Linux version is compatible with the Solaris
one :-)
> ShellBasedIdMapping needs suport for Solaris
> --------------------------------------------
>
> Key: HADOOP-12581
> URL: https://issues.apache.org/jira/browse/HADOOP-12581
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: security
> Affects Versions: 2.7.1
> Environment: Solaris
> Reporter: Alan Burlison
> Assignee: Alan Burlison
>
> ShellBasedIdMapping only supports Linux and OSX, support for Solaris needs
> adding.
> From looking at the Linux support in ShellBasedIdMapping, the same sequences
> of shell commands should work for Solaris as well so all that's probably
> needed is to change the implementation of checkSupportedPlatform() to treat
> Linux and Solaris the same way, plus possibly some renaming of other methods
> to make it more obvious they are not Linux-only.
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