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nixos/tests/postgresql: test plv8 hardening on non-JIT variants only

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PostgreSQL with JIT support enabled doesn't work with plv8. Hence, we'd
get an evaluation failure for each
`nixosTests.postgresql.postgresql.postgresql_jit_X`.

This should be restructured in the future (less VM tests for custom
extensions, but a single VM test for this case to cover). For now, we
should get this fix out and this is a good-enough approach.
This commit is contained in:
Maximilian Bosch 2024-11-16 17:09:27 +01:00
parent e198536d26
commit 68d9643388
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1 changed files with 38 additions and 25 deletions
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63
nixos/tests/postgresql/postgresql.nix
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@ -14,32 +14,41 @@ let
postgresql-clauses = makeEnsureTestFor package;
};
test-sql = pkgs.writeText "postgresql-test" ''
CREATE EXTENSION pgcrypto; -- just to check if lib loading works
CREATE TABLE sth (
id int
test-sql =
enablePLv8Test:
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
''
+ lib.optionalString enablePLv8Test ''
-- check if hardening gets relaxed
CREATE EXTENSION plv8;
-- try to trigger the V8 JIT, which requires MemoryDenyWriteExecute
DO $$
let xs = [];
for (let i = 0, n = 400000; i < n; i++) {
xs.push(Math.round(Math.random() * n))
}
console.log(xs.reduce((acc, x) => acc + x, 0));
$$ LANGUAGE plv8;
''
);
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
-- check if hardening gets relaxed
CREATE EXTENSION plv8;
-- try to trigger the V8 JIT, which requires MemoryDenyWriteExecute
DO $$
let xs = [];
for (let i = 0, n = 400000; i < n; i++) {
xs.push(Math.round(Math.random() * n))
}
console.log(xs.reduce((acc, x) => acc + x, 0));
$$ LANGUAGE plv8;
'';
makeTestForWithBackupAll =
package: backupAll:
let
enablePLv8Check = !package.pkgs.plv8.meta.broken;
in
makeTest {
name = "postgresql${lib.optionalString backupAll "-backup-all"}-${package.name}";
meta = with lib.maintainers; {
@ -47,13 +56,17 @@ let
};
nodes.machine =
{ ... }:
{ config, ... }:
{
services.postgresql = {
inherit package;
enable = true;
enableJIT = lib.hasInfix "-jit-" package.name;
extensions = ps: with ps; [ plv8 ];
# plv8 doesn't support postgresql with JIT, so we only run the test
# for the non-jit variant.
# TODO(@Ma27) split this off into its own VM test and move a few other
# extension tests to use postgresqlTestExtension.
extensions = lib.mkIf enablePLv8Check (ps: with ps; [ plv8 ]);
};
services.postgresqlBackup = {
@ -80,7 +93,7 @@ let
with subtest("Postgresql is available just after unit start"):
machine.succeed(
"cat ${test-sql} | sudo -u postgres psql"
"cat ${test-sql enablePLv8Check} | sudo -u postgres psql"
)
with subtest("Postgresql survives restart (bug #1735)"):