diff options
Diffstat (limited to 'nixos/tests/postgresql-wal-receiver.nix')
-rw-r--r-- | nixos/tests/postgresql-wal-receiver.nix | 202 |
1 files changed, 101 insertions, 101 deletions
diff --git a/nixos/tests/postgresql-wal-receiver.nix b/nixos/tests/postgresql-wal-receiver.nix index b0bd7711dbcd9..ab2ab4ad0d4fa 100644 --- a/nixos/tests/postgresql-wal-receiver.nix +++ b/nixos/tests/postgresql-wal-receiver.nix @@ -1,6 +1,7 @@ { system ? builtins.currentSystem, config ? {}, - pkgs ? import ../.. { inherit system config; } + pkgs ? import ../.. { inherit system config; }, + package ? null }: with import ../lib/testing-python.nix { inherit system pkgs; }; @@ -9,111 +10,110 @@ let lib = pkgs.lib; # Makes a test for a PostgreSQL package, given by name and looked up from `pkgs`. - makePostgresqlWalReceiverTest = postgresqlPackage: + makeTestAttribute = name: { - name = postgresqlPackage; - value = - let - pkg = pkgs."${postgresqlPackage}"; - postgresqlDataDir = "/var/lib/postgresql/${pkg.psqlSchema}"; - replicationUser = "wal_receiver_user"; - replicationSlot = "wal_receiver_slot"; - replicationConn = "postgresql://${replicationUser}@localhost"; - baseBackupDir = "/tmp/pg_basebackup"; - walBackupDir = "/tmp/pg_wal"; - atLeast12 = lib.versionAtLeast pkg.version "12.0"; - - recoveryFile = if atLeast12 - then pkgs.writeTextDir "recovery.signal" "" - else pkgs.writeTextDir "recovery.conf" "restore_command = 'cp ${walBackupDir}/%f %p'"; - - in makeTest { - name = "postgresql-wal-receiver-${postgresqlPackage}"; - meta.maintainers = with lib.maintainers; [ pacien ]; - - nodes.machine = { ... }: { - services.postgresql = { - package = pkg; - enable = true; - settings = lib.mkMerge [ - { - wal_level = "archive"; # alias for replica on pg >= 9.6 - max_wal_senders = 10; - max_replication_slots = 10; - } - (lib.mkIf atLeast12 { - restore_command = "cp ${walBackupDir}/%f %p"; - recovery_end_command = "touch recovery.done"; - }) - ]; - authentication = '' - host replication ${replicationUser} all trust - ''; - initialScript = pkgs.writeText "init.sql" '' - create user ${replicationUser} replication; - select * from pg_create_physical_replication_slot('${replicationSlot}'); - ''; - }; + inherit name; + value = makePostgresqlWalReceiverTest pkgs."${name}"; + }; + + makePostgresqlWalReceiverTest = pkg: + let + postgresqlDataDir = "/var/lib/postgresql/${pkg.psqlSchema}"; + replicationUser = "wal_receiver_user"; + replicationSlot = "wal_receiver_slot"; + replicationConn = "postgresql://${replicationUser}@localhost"; + baseBackupDir = "/tmp/pg_basebackup"; + walBackupDir = "/tmp/pg_wal"; + + recoveryFile = pkgs.writeTextDir "recovery.signal" ""; - services.postgresqlWalReceiver.receivers.main = { - postgresqlPackage = pkg; - connection = replicationConn; - slot = replicationSlot; - directory = walBackupDir; + in makeTest { + name = "postgresql-wal-receiver-${pkg.name}"; + meta.maintainers = with lib.maintainers; [ pacien ]; + + nodes.machine = { ... }: { + services.postgresql = { + package = pkg; + enable = true; + settings = { + max_replication_slots = 10; + max_wal_senders = 10; + recovery_end_command = "touch recovery.done"; + restore_command = "cp ${walBackupDir}/%f %p"; + wal_level = "archive"; # alias for replica on pg >= 9.6 }; - # 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 = lib.mkForce 5; + authentication = '' + host replication ${replicationUser} all trust + ''; + initialScript = pkgs.writeText "init.sql" '' + create user ${replicationUser} replication; + select * from pg_create_physical_replication_slot('${replicationSlot}'); + ''; }; - testScript = '' - # make an initial base backup - machine.wait_for_unit("postgresql") - machine.wait_for_unit("postgresql-wal-receiver-main") - # WAL receiver healthchecks PG every 5 seconds, so let's be sure they have connected each other - # required only for 9.4 - machine.sleep(5) - machine.succeed( - "${pkg}/bin/pg_basebackup --dbname=${replicationConn} --pgdata=${baseBackupDir}" - ) - - # create a dummy table with 100 records - machine.succeed( - "sudo -u postgres psql --command='create table dummy as select * from generate_series(1, 100) as val;'" - ) - - # stop postgres and destroy data - machine.systemctl("stop postgresql") - machine.systemctl("stop postgresql-wal-receiver-main") - machine.succeed("rm -r ${postgresqlDataDir}/{base,global,pg_*}") - - # restore the base backup - machine.succeed( - "cp -r ${baseBackupDir}/* ${postgresqlDataDir} && chown postgres:postgres -R ${postgresqlDataDir}" - ) - - # 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 ${recoveryFile}/* ${postgresqlDataDir}/ && chmod 666 ${postgresqlDataDir}/recovery*" - ) - - # replay WAL - machine.systemctl("start postgresql") - machine.wait_for_file("${postgresqlDataDir}/recovery.done") - machine.systemctl("restart postgresql") - machine.wait_for_unit("postgresql") - - # check that our records have been restored - machine.succeed( - "test $(sudo -u postgres psql --pset='pager=off' --tuples-only --command='select count(distinct val) from dummy;') -eq 100" - ) - ''; + services.postgresqlWalReceiver.receivers.main = { + postgresqlPackage = pkg; + connection = replicationConn; + slot = replicationSlot; + directory = walBackupDir; + }; + # This is only to speedup test, it isn't time racing. Service is set to autorestart always, + # default 60sec is fine for real system, but is too much for a test + systemd.services.postgresql-wal-receiver-main.serviceConfig.RestartSec = lib.mkForce 5; }; + + testScript = '' + # make an initial base backup + machine.wait_for_unit("postgresql") + machine.wait_for_unit("postgresql-wal-receiver-main") + # WAL receiver healthchecks PG every 5 seconds, so let's be sure they have connected each other + # required only for 9.4 + machine.sleep(5) + machine.succeed( + "${pkg}/bin/pg_basebackup --dbname=${replicationConn} --pgdata=${baseBackupDir}" + ) + + # create a dummy table with 100 records + machine.succeed( + "sudo -u postgres psql --command='create table dummy as select * from generate_series(1, 100) as val;'" + ) + + # stop postgres and destroy data + machine.systemctl("stop postgresql") + machine.systemctl("stop postgresql-wal-receiver-main") + machine.succeed("rm -r ${postgresqlDataDir}/{base,global,pg_*}") + + # restore the base backup + machine.succeed( + "cp -r ${baseBackupDir}/* ${postgresqlDataDir} && chown postgres:postgres -R ${postgresqlDataDir}" + ) + + # 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 ${recoveryFile}/* ${postgresqlDataDir}/ && chmod 666 ${postgresqlDataDir}/recovery*" + ) + + # replay WAL + machine.systemctl("start postgresql") + machine.wait_for_file("${postgresqlDataDir}/recovery.done") + machine.systemctl("restart postgresql") + machine.wait_for_unit("postgresql") + + # check that our records have been restored + machine.succeed( + "test $(sudo -u postgres psql --pset='pager=off' --tuples-only --command='select count(distinct val) from dummy;') -eq 100" + ) + ''; }; -# Maps the generic function over all attributes of PostgreSQL packages -in builtins.listToAttrs (map makePostgresqlWalReceiverTest (builtins.attrNames (import ../../pkgs/servers/sql/postgresql pkgs))) +in +if package == null then + # all-tests.nix: Maps the generic function over all attributes of PostgreSQL packages + builtins.listToAttrs (map makeTestAttribute (builtins.attrNames (import ../../pkgs/servers/sql/postgresql pkgs))) +else + # Called directly from <package>.tests + makePostgresqlWalReceiverTest package |