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postgresql-wal-receiver: fix test for Pg12 #80268

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Feb 16, 2020
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postgresql-wal-receiver: fix test for Pg12 #80268

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19 changes: 16 additions & 3 deletions nixos/tests/postgresql-wal-receiver.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -6,17 +6,24 @@ with import ../lib/testing.nix { inherit system pkgs; };
with pkgs.lib;

let
makePostgresqlWalReceiverTest = subTestName: postgresqlPackage: let

postgresqlDataDir = "/var/db/postgresql/test";
replicationUser = "wal_receiver_user";
replicationSlot = "wal_receiver_slot";
replicationConn = "postgresql://${replicationUser}@localhost";
baseBackupDir = "/tmp/pg_basebackup";
walBackupDir = "/tmp/pg_wal";
recoveryConf = pkgs.writeText "recovery.conf" ''
atLeast12 = versionAtLeast postgresqlPackage.version "12.0";
restoreCommand = ''
restore_command = 'cp ${walBackupDir}/%f %p'
'';

makePostgresqlWalReceiverTest = subTestName: postgresqlPackage: makeTest {
recoveryFile = if atLeast12
then pkgs.writeTextDir "recovery.signal" ""
else pkgs.writeTextDir "recovery.conf" "${restoreCommand}";

in makeTest {
name = "postgresql-wal-receiver-${subTestName}";
meta.maintainers = with maintainers; [ pacien ];

Expand All @@ -29,6 +36,9 @@ let
wal_level = archive # alias for replica on pg >= 9.6
max_wal_senders = 10
max_replication_slots = 10
'' + optionalString atLeast12 ''
${restoreCommand}
recovery_end_command = 'touch recovery.done'
'';
authentication = ''
host replication ${replicationUser} all trust
Expand All @@ -45,6 +55,9 @@ let
slot = replicationSlot;
directory = walBackupDir;
};
# This is only to speedup test, it isn't time racing. Service is set to autorestart always,
# default 60sec is fine for real system, but is too much for a test
systemd.services.postgresql-wal-receiver-main.serviceConfig.RestartSec = mkForce 5;
};

testScript = ''
Expand All @@ -70,7 +83,7 @@ let
# prepare WAL and recovery
$machine->succeed('chmod a+rX -R ${walBackupDir}');
$machine->execute('for part in ${walBackupDir}/*.partial; do mv $part ''${part%%.*}; done'); # make use of partial segments too
$machine->succeed('cp ${recoveryConf} ${postgresqlDataDir}/recovery.conf && chmod 666 ${postgresqlDataDir}/recovery.conf');
$machine->succeed('cp ${recoveryFile}/* ${postgresqlDataDir}/ && chmod 666 ${postgresqlDataDir}/recovery*');

# replay WAL
$machine->systemctl('start postgresql');
Expand Down