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ref-manual: Added useradd-staticids class and edits to some variables.

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Added the new useradd-staticids class to the reference section
for classes.

Updated the USERADD_UID_TABLES and USERADD_GID_TABLES variables
to tell how the system uses BBPATH in the default mode to
get UID and GID information from the files/passwd and files/group
files.

Added a note indicating that you can delete the TMPDIR directory
to fix things up if you configure useradd-staticids in a
configured system.

(From yocto-docs rev: a3f5ee3f5060369405d59a238fb02bddfeae5d6f)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Rifenbark
2014-04-07 14:10:50 -07:00
committed by Richard Purdie
parent 9f1c18e22a
commit 90d52bd51e
2 changed files with 71 additions and 5 deletions
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54
documentation/ref-manual/ref-classes.xml
View File

@@ -3136,6 +3136,60 @@
</para>
</section>
<section id='ref-classes-useradd-staticids'>
<title><filename>-useradd-staticids.bbclass</filename></title>
<para>
The <filename>useradd-staticids</filename> class supports the addition of
users or groups that have static user identification
(<filename>uid</filename>) and group identification
(<filename>gid</filename>) values.
</para>
<para>
The default behavior of the OpenEmbedded build system for assigning
<filename>uid</filename> and <filename>gid</filename> values when
packages add users and groups during package install time is to
look in
<link linkend='var-BBPATH'><filename>BBPATH</filename></link> for
<filename>files/passwd</filename> and <filename>files/group</filename>
files for the values.
This works fine for programs that do not care what the values of the
resulting users and groups become.
In these cases, the order of the installation determines the final
<filename>uid</filename> and <filename>gid</filename> values.
</para>
<para>
If non-deterministic
<filename>uid</filename> and <filename>gid</filename> values are a
problem, you can override the default, dynamic application of these
values by setting static values.
See the
<link linkend='var-USERADDEXTENSION'><filename>USERADDEXTENSION</filename></link>,
<link linkend='var-USERADD_UID_TABLES'><filename>USERADD_UID_TABLES</filename></link>,
<link linkend='var-USERADD_GID_TABLES'><filename>USERADD_GID_TABLES</filename></link>,
and
<link linkend='var-USERADD_ERROR_DYNAMIC'><filename>USERADD_ERROR_DYNAMIC</filename></link>
variables for more information.
You can also see the
<link linkend='ref-classes-useradd'><filename>useradd</filename></link>
class for additional information.
</para>
<note><title>Notes</title>
You do not use this class directly.
You either enable or disable the class by setting the
<filename>USERADDEXTENSION</filename> variable.
If you enable or disable the class in a configured system,
<link linkend='var-TMPDIR'><filename>TMPDIR</filename></link>
might contain incorrect <filename>uid</filename> and
<filename>gid</filename> values.
Deleting the <filename>TMPDIR</filename> directory
will correct this condition.
</note>
</section>
<section id='ref-classes-utility-tasks'>
<title><filename>utility-tasks.bbclass</filename></title>