firwalling for pg basebackup

[mirror/dsa-puppet.git] / modules / postgres / manifests / backup_cluster.pp

diff --git a/modules/postgres/manifests/backup_cluster.pp b/modules/postgres/manifests/backup_cluster.pp
index f1cc44a..bd6ef09 100644 (file)
--- a/modules/postgres/manifests/backup_cluster.pp
+++ b/modules/postgres/manifests/backup_cluster.pp
@@ -1,13 +1,20 @@
+# Backup this cluster
 #
+# @param pg_version      pg version of the cluster
+# @param pg_cluster      cluster name
+# @param pg_port         port of the postgres cluster
+# @param db_backup_role  replication role username
+# @param db_backup_role_password     password of the replication role
+# @param do_role         create the role (requires setup with postgresql::server)
+# @param do_hba          update pg_hba (requires setup with postgresql::server)
 define postgres::backup_cluster(
   String $pg_version,
   String $pg_cluster = 'main',
   Integer $pg_port = 5432,
-  String $db_backup_role = 'debian-backup',
+  String $db_backup_role = lookup('postgres::backup_cluster::db_backup_role'),
   String $db_backup_role_password = hkdf('/etc/puppet/secret', "postgresql-${::hostname}-${$pg_cluster}-${pg_port}-backup_role}"),
   Boolean $do_role = false,
   Boolean $do_hba = false,
-  $backup_servers = getfromhash($deprecated::roles, 'postgres_backup_server'),
 ) {
   $datadir = "/var/lib/postgresql/${pg_version}/${pg_cluster}"
   file { "${datadir}/.nobackup":
@@ -17,7 +24,6 @@ define postgres::backup_cluster(
   ## XXX - get these from the roles and ldap
   # backuphost, storace
   $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']
-  $backup_servers_addrs_joined = join($backup_servers_addrs, ' ')
 
   if $do_role {
     postgresql::server::role { $db_backup_role:
@@ -37,10 +43,17 @@ define postgres::backup_cluster(
       }
     }
   }
-  ferm::rule { "dsa-postgres-${pg_port}":
-    description => 'Allow postgress access from backup host',
-    domain      => '(ip ip6)',
-    rule        => "&SERVICE_RANGE(tcp, ${pg_port}, ( @ipfilter((${backup_servers_addrs_joined})) ))",
+
+  # Send connections to the port to the pg-backup chain
+  # there, the register_backup_clienthost class will have
+  # realized the exported allows from the backup servers.
+  #
+  # Any non-matching traffic will fall through and it can
+  # be allowed elsewhere
+  ferm::rule::simple { "dsa-postgres-backup-${pg_port}":
+    description => 'Check for postgres access from backup host',
+    port        => $pg_port,
+    target      => 'pg-backup',
   }
 
   postgres::backup_server::register_backup_cluster { "backup-role-${::fqdn}}-${pg_port}":