nixpkgs/nixos/tests/postgresql.nix

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{ system ? builtins.currentSystem,
config ? {},
pkgs ? import ../.. { inherit system config; }
}:
with import ../lib/testing.nix { inherit system pkgs; };
with pkgs.lib;
let
postgresql-versions = import ../../pkgs/servers/sql/postgresql pkgs;
test-sql = pkgs.writeText "postgresql-test" ''
CREATE EXTENSION pgcrypto; -- just to check if lib loading works
CREATE TABLE sth (
id int
);
INSERT INTO sth (id) VALUES (1);
INSERT INTO sth (id) VALUES (1);
INSERT INTO sth (id) VALUES (1);
INSERT INTO sth (id) VALUES (1);
INSERT INTO sth (id) VALUES (1);
CREATE TABLE xmltest ( doc xml );
INSERT INTO xmltest (doc) VALUES ('<test>ok</test>'); -- check if libxml2 enabled
'';
make-postgresql-test = postgresql-name: postgresql-package: backup-all: makeTest {
name = postgresql-name;
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ zagy ];
};
machine = {...}:
{
services.postgresql.enable = true;
services.postgresql.package = postgresql-package;
services.postgresqlBackup.enable = true;
services.postgresqlBackup.databases = optional (!backup-all) "postgres";
};
testScript = let
backupName = if backup-all then "all" else "postgres";
backupService = if backup-all then "postgresqlBackup" else "postgresqlBackup-postgres";
in ''
sub check_count {
my ($select, $nlines) = @_;
return 'test $(sudo -u postgres psql postgres -tAc "' . $select . '"|wc -l) -eq ' . $nlines;
}
$machine->start;
$machine->waitForUnit("postgresql");
# postgresql should be available just after unit start
$machine->succeed("cat ${test-sql} | sudo -u postgres psql");
$machine->shutdown; # make sure that postgresql survive restart (bug #1735)
sleep(2);
$machine->start;
$machine->waitForUnit("postgresql");
$machine->fail(check_count("SELECT * FROM sth;", 3));
$machine->succeed(check_count("SELECT * FROM sth;", 5));
$machine->fail(check_count("SELECT * FROM sth;", 4));
$machine->succeed(check_count("SELECT xpath(\'/test/text()\', doc) FROM xmltest;", 1));
# Check backup service
$machine->succeed("systemctl start ${backupService}.service");
$machine->succeed("zcat /var/backup/postgresql/${backupName}.sql.gz | grep '<test>ok</test>'");
$machine->succeed("stat -c '%a' /var/backup/postgresql/${backupName}.sql.gz | grep 600");
$machine->shutdown;
'';
};
in
(mapAttrs' (name: package: { inherit name; value=make-postgresql-test name package false;}) postgresql-versions) // {
postgresql_11-backup-all = make-postgresql-test name postgresql-versions.postgresql_11 true;
}