I'd like to get an idea on the recommended practice in scenarios where you
have a cluster of nodes setup in master/slave(s) mode which needs specific
configuration files.
The following setup includes writing a custom fact to retrieve a value from
the hostname and then comparing it against a pre-determined host value set
in hiera. i.e:
# list of hosts
host01,host02,host03
# custom fact
rank: 01,02,03
# set in hiera
master:01
if $::rank == $master {
class { 'solr::conf::master' : }
} else{
class { 'solr::conf::slave' :
master_fqdn => $master_fqdn,
}
}
I understand that if the master goes down a manual hiera update is required
to set the new hiera master value.
i'm keen to know if there other (better) ways of handing this?
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