nixpkgs/nixos/tests/postgresql.nix

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{ system ? builtins.currentSystem,
config ? {},
pkgs ? import ../.. { inherit system config; }
}:
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with import ../lib/testing-python.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.lib.maintainers; {
maintainers = [ zagy ];
};
machine = {...}:
{
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services.postgresql = {
enable = true;
package = postgresql-package;
};
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services.postgresqlBackup = {
enable = true;
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 ''
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def check_count(statement, lines):
return 'test $(sudo -u postgres psql postgres -tAc "{}"|wc -l) -eq {}'.format(
statement, lines
)
machine.start()
machine.wait_for_unit("postgresql")
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with subtest("Postgresql is available just after unit start"):
machine.succeed(
"cat ${test-sql} | sudo -u postgres psql"
)
with subtest("Postgresql survives restart (bug #1735)"):
machine.shutdown()
time.sleep(2)
machine.start()
machine.wait_for_unit("postgresql")
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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))
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with subtest("Backup service works"):
machine.succeed(
"systemctl start ${backupService}.service",
"zcat /var/backup/postgresql/${backupName}.sql.gz | grep '<test>ok</test>'",
"stat -c '%a' /var/backup/postgresql/${backupName}.sql.gz | grep 600",
)
with subtest("Initdb works"):
machine.succeed("sudo -u postgres initdb -D /tmp/testpostgres2")
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machine.shutdown()
'';
};
in
(mapAttrs' (name: package: { inherit name; value=make-postgresql-test name package false;}) postgresql-versions) // {
postgresql_11-backup-all = make-postgresql-test "postgresql_11-backup-all" postgresql-versions.postgresql_11 true;
}