[booth] Add plugin for the Booth cluster ticket manager

[suraj-cmd]

Booth manages tickets across geographically separate Pacemaker clusters and is
packaged for Fedora, RHEL and SUSE. sos has a pacemaker plugin but nothing for
booth, and no other plugin references it, so an sosreport from a booth site or
arbitrator contains no configuration, ticket state or logs.

Paths and unit names are taken from upstream. src/booth.h defines the
configuration directory as /etc/booth, the run directory as /var/run/booth
and the log as /var/log/booth.log. conf/ ships booth-arbitrator.service
and the templated booth@.service, the latter keyed on /etc/booth/%i.conf.

booth list is the command the OCF resource agent itself uses to check ticket
state; peers and status are collected alongside it.

src/config.c parses an authfile option and src/main.c reads that file as
a shared secret used to authenticate ticket messages between sites. Key
material under the configuration directory is added to the forbidden paths so
it cannot be collected.

Confirmation of the packaged authfile default location would be welcome — I
have excluded *.key and authkey under /etc/booth, but the option accepts
an arbitrary path, so a reviewer with a real deployment may know of a
conventional location I have missed.

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[packit-as-a-service]

Congratulations! One of the builds has completed. 🍾

You can install the built RPMs by following these steps:

• sudo dnf install -y 'dnf*-command(copr)'
• dnf copr enable packit/sosreport-sos-4424
• And now you can install the packages.

Please note that the RPMs should be used only in a testing environment.