modules/postgres/manifests/backup_cluster.pp

   1 #
   2 define postgres::backup_cluster(
   3         $pg_version,
   4         $pg_cluster = 'main',
   5         $pg_port = 5432,
   6         $backup_servers = getfromhash($deprecated::roles, 'postgres_backup_server'),
   7         $db_backup_role = 'debian-backup',
   8         $db_backup_role_password = hkdf('/etc/puppet/secret', "postgresql-${::hostname}-${$pg_cluster}-${pg_port}-backup_role}"),
   9         $do_role = false,
  10         $do_hba = false,
  11 ) {
  12         $datadir = "/var/lib/postgresql/${pg_version}/${pg_cluster}"
  13         file { "${datadir}/.nobackup":
  14                 content  => ""
  15         }
  16
  17         ## XXX - get these from the roles and ldap
  18         # backuphost, storace
  19         $backup_servers_addrs = ['5.153.231.12/32', '93.94.130.161/32', '2001:41c8:1000:21::21:12/128', '2a02:158:380:280::161/128']
  20         $backup_servers_addrs_joined = join($backup_servers_addrs, ' ')
  21
  22         if $do_role {
  23                 postgresql::server::role { $db_backup_role:
  24                         password_hash => postgresql_password($db_backup_role, $db_backup_role_password),
  25                         replication => true,
  26                 }
  27         }
  28         if $do_hba {
  29                 $backup_servers_addrs.each |String $address| {
  30                         postgresql::server::pg_hba_rule { "debian_backup-${address}":
  31                                 description => 'Open up PostgreSQL for backups',
  32                                 type        => 'hostssl',
  33                                 database    => 'replication',
  34                                 user        => $db_backup_role,
  35                                 address     => $address,
  36                                 auth_method => 'md5',
  37                         }
  38                 }
  39         }
  40         ferm::rule { "dsa-postgres-${pg_port}":
  41                 description => 'Allow postgress access from backup host',
  42                 domain      => '(ip ip6)',
  43                 rule        => "&SERVICE_RANGE(tcp, ${pg_port}, ( @ipfilter((${backup_servers_addrs_joined})) ))",
  44         }
  45
  46         postgres::backup_server::register_backup_cluster { "backup-role-${::fqdn}}-${pg_port}":
  47                 pg_port => $pg_port,
  48                 pg_role => $db_backup_role,
  49                 pg_password => $db_backup_role_password,
  50                 pg_cluster => $pg_cluster,
  51                 pg_version => $pg_version,
  52         }
  53 }