Start with puppetizing postgres cluster backup configuration. for now, only deal...

[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
new file mode 100644 (file)
index 0000000..83edaf1
--- /dev/null
+++ b/modules/postgres/manifests/backup_cluster.pp
@@ -0,0 +1,55 @@
+#
+define postgres::backup_cluster(
+       $pg_version,
+       $pg_cluster = 'main',
+       $pg_port = 5432,
+       $backup_servers = getfromhash($site::roles, 'postgres_backup_server'),
+       $db_backup_role = 'debian-backup',
+       $db_backup_role_password = hkdf('/etc/puppet/secret', "postgresql-${::hostname}-${$pg_cluster}-${pg_port}-backup_role}"),
+       $do_role = false,
+       $do_hba = false,
+) {
+       warning("foo ${backup_servers}")
+
+       $datadir = "/var/lib/postgresql/${pg_version}/${pg_cluster}"
+       file { "${datadir}/.nobackup":
+               content  => ""
+       }
+
+       ## 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 { $db_backup_role:
+                       password_hash => postgresql_password($db_backup_role, $db_backup_role_password),
+                       replication => true,
+               }
+       }
+       if $do_hba {
+               $backup_servers_addrs.each |String $address| {
+                       postgresql::server::pg_hba_rule { "debian_backup-${address}":
+                               description => 'Open up PostgreSQL for backups',
+                               type        => 'hostssl',
+                               database    => 'replication',
+                               user        => $db_backup_role,
+                               address     => $address,
+                               auth_method => 'md5',
+                       }
+               }
+       }
+       @ferm::rule { "dsa-postgres-${pg_port}":
+               description => 'Allow postgress access from backup host',
+               domain      => '(ip ip6)',
+               rule        => "&SERVICE_RANGE(tcp, ${pg_port}, ( @ipfilter((${backup_servers_addrs_joined})) ))",
+       }
+
+       postgres::backup_server::register_backup_cluster { "backup-role-${::fqdn}}-${::pg_port}":
+               pg_port => $pg_port,
+               pg_role => $db_backup_role,
+               pg_password => $db_backup_role_password,
+               pg_cluster => $pg_cluster,
+               pg_version => $pg_version,
+       }
+}