Redis: Hard-code paths of configuration files

In current CentOS 9 Stream, configuration files of redis is placed in
/etc/redis. Following that, the puppet-redis module has been updated to
use the new path by [1].

This change ensures that the old path is consistently used in both
CentOS 8 and CentOS 9 as we require a hard-coded path to start up
redis in standalone mode(without pacemaker). The path can be updated
later, for example when we drop support for CentOS 8.

[1] https://github.com/voxpupuli/puppet-redis/pull/434

Closes-Bug: #1960620
Change-Id: Ibf7c2f8d01ddf73c92d183e51c378a0770002e72

deployment/database/redis-container-puppet.yaml

@@ -94,6 +94,13 @@ outputs:
         map_merge:
           - {get_attr: [RedisBase, role_data, config_settings]}
           - redis::daemonize: false
+            # NOTE(tkajinam): In CentOS9, the file is placed under /etc/redis.
+            #                 Redis resource agent can deal with both of
+            #                 the old path and the new path, but the command
+            #                 line below for standalone redis does not.
+            # TODO(tkajinam): Remove this when we drop support for CentOS8.
+            redis::config_file: '/etc/redis.conf'
+            redis::config_file_orig: '/etc/redis.conf.puppet'
             tripleo::stunnel::manage_service: false
             tripleo::stunnel::foreground: 'yes'
           - tripleo::profile::base::database::redis::tls_proxy_bind_ip: