modules/postgres/manifests/backup_cluster.pp

   1 #
   2 define postgres::backup_cluster(
   3         $pg_version,
   4         $pg_cluster = 'main',
   5         $pg_port = 5432,
   6         $backup_servers = getfromhash($site::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         warning("foo ${backup_servers}")
  13
  14         $datadir = "/var/lib/postgresql/${pg_version}/${pg_cluster}"
  15         file { "${datadir}/.nobackup":
  16                 content  => ""
  17         }
  18
  19         ## XXX - get these from the roles and ldap
  20         # backuphost, storace
  21         $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']
  22         $backup_servers_addrs_joined = join($backup_servers_addrs, ' ')
  23
  24         if $do_role {
  25                 postgresql::server::role { $db_backup_role:
  26                         password_hash => postgresql_password($db_backup_role, $db_backup_role_password),
  27                         replication => true,
  28                 }
  29         }
  30         if $do_hba {
  31                 $backup_servers_addrs.each |String $address| {
  32                         postgresql::server::pg_hba_rule { "debian_backup-${address}":
  33                                 description => 'Open up PostgreSQL for backups',
  34                                 type        => 'hostssl',
  35                                 database    => 'replication',
  36                                 user        => $db_backup_role,
  37                                 address     => $address,
  38                                 auth_method => 'md5',
  39                         }
  40                 }
  41         }
  42         @ferm::rule { "dsa-postgres-${pg_port}":
  43                 description => 'Allow postgress access from backup host',
  44                 domain      => '(ip ip6)',
  45                 rule        => "&SERVICE_RANGE(tcp, ${pg_port}, ( @ipfilter((${backup_servers_addrs_joined})) ))",
  46         }
  47
  48         postgres::backup_server::register_backup_cluster { "backup-role-${::fqdn}}-${::pg_port}":
  49                 pg_port => $pg_port,
  50                 pg_role => $db_backup_role,
  51                 pg_password => $db_backup_role_password,
  52                 pg_cluster => $pg_cluster,
  53                 pg_version => $pg_version,
  54         }
  55 }