question about semanage fcontext and awareness of file_contexts.local file

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We want to add some custom file contexts for certain directories, in
particular we have /audit as a separate partition and run this:

chroot /mnt/root semanage fcontext -a -t auditd_log_t "/audit(/.*)?"

To make sure auditd works. This is run with chroot because the system
we're modifying is not running and mounted at /mnt/root. This creates
the file_contexts.local file with this content:

# This file is auto-generated by libsemanage
# Do not edit directly.

/audit(/.*)?    system_u:object_r:auditd_log_t:s0

Later on, when we boot that system that was in /mnt/root, the
file_contexts.local remains the same. However, if I run semanage to add
another record, for example (this time, not in chroot):

semanage fcontext -a -t httpd_sys_content_t "/data/www(/.*)?"

It creates the content for httpd_sys_content_t in file_contexts.local,
but overwrites the previous entry for auditd_log_t.

If I add the auditd_log_t entry once again, _both_ entries are now
present in file_contexts.local. So, it seems that the 1st time I run
semanage fcontext -a _while_ the system is running, it is not aware of
the content that was added when I ran semanage fcontext -a when the
system was offline and mounted in /mnt/root.

Does semanage maintain state somewhere other than in the
file_contexts.local file? How can I make sure it is aware of the content
in file_contexts.local that was created by semanage when it was run in
chroot?

Thanks,
-Bond


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