puppet-prod/modules/redisha/manifests/sentinel.pp
Ben Vincent b7fc6a1993 feat: create redisha module
- manage redis/sentinel clusters
- ensure ulimit_managed is false
- dynamically find servers in role to identify master
- add redisadm and sentineladm commands
- add script to check if the current host in the master
2024-08-10 17:39:24 +10:00

50 lines
2.2 KiB
Puppet

class redisha::sentinel (
Boolean $redisha_members_lookup = $redisha::redisha_members_lookup,
Optional[String] $redisha_members_role = $redisha::redisha_members_role,
Array $redisha_servers = $redisha::redisha_servers,
Stdlib::Port $redis_port = $redisha::params::redis_port,
Optional[String] $requirepass = $redisha::params::requirepass,
String[1] $master_name = $redisha::params::master_name,
Optional[Variant[String, Sensitive[String]]] $auth_pass = $redisha::params::auth_pass,
Integer[1] $quorum = $redisha::params::quorum,
Enum['yes', 'no'] $sentinel_resolve_hostnames = $redisha::params::sentinel_resolve_hostnames,
Enum['yes', 'no'] $sentinel_announce_hostnames = $redisha::params::sentinel_announce_hostnames,
Stdlib::Host $sentinel_announce_ip = $redisha::params::sentinel_announce_ip,
Array[Stdlib::IP::Address] $sentinel_bind = $redisha::params::sentinel_bind,
Stdlib::Port $sentinel_port = $redisha::params::sentinel_port,
) inherits redisha::params {
# if lookup is enabled
if $redisha_members_lookup {
# check that the role is also set
unless !($redisha_members_role == undef) {
fail("redisha_members_role must be provided for ${title} when redisha_members_lookup is True")
}
# if it is, find hosts, sort them so they dont cause changes every run
$servers_array = sort(query_nodes("enc_role='${redisha_members_role}' and region='${facts['region']}'", 'networking.fqdn'))
# else use provided array from params
}else{
$servers_array = $redisha_servers
}
if length($servers_array) >= 3 {
class { 'redis::sentinel':
master_name => $master_name,
redis_host => $servers_array[0],
redis_port => $redis_port,
requirepass => $requirepass,
auth_pass => $auth_pass,
quorum => $quorum,
sentinel_resolve_hostnames => $sentinel_resolve_hostnames,
sentinel_announce_ip => $sentinel_announce_ip,
sentinel_announce_hostnames => $sentinel_announce_hostnames,
sentinel_port => $sentinel_port,
sentinel_bind => $sentinel_bind,
}
}
}