279cecf6b7
I don't really understand why this is only for a single version, so I figured I'd just add this to the test matrix to also cover this test-case for each major. Now, there's also one thing less to take care of when removing old postgresql versions.
224 lines
8.3 KiB
Nix
224 lines
8.3 KiB
Nix
{ system ? builtins.currentSystem,
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config ? {},
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pkgs ? import ../.. { inherit system config; }
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}:
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with import ../lib/testing-python.nix { inherit system pkgs; };
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with pkgs.lib;
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let
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postgresql-versions = import ../../pkgs/servers/sql/postgresql pkgs;
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test-sql = pkgs.writeText "postgresql-test" ''
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CREATE EXTENSION pgcrypto; -- just to check if lib loading works
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CREATE TABLE sth (
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id int
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);
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INSERT INTO sth (id) VALUES (1);
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INSERT INTO sth (id) VALUES (1);
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INSERT INTO sth (id) VALUES (1);
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INSERT INTO sth (id) VALUES (1);
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INSERT INTO sth (id) VALUES (1);
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CREATE TABLE xmltest ( doc xml );
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INSERT INTO xmltest (doc) VALUES ('<test>ok</test>'); -- check if libxml2 enabled
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'';
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make-postgresql-test = postgresql-name: postgresql-package: backup-all: makeTest {
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name = postgresql-name;
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meta = with pkgs.lib.maintainers; {
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maintainers = [ zagy ];
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};
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nodes.machine = {...}:
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{
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services.postgresql = {
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enable = true;
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package = postgresql-package;
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};
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services.postgresqlBackup = {
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enable = true;
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databases = optional (!backup-all) "postgres";
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};
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};
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testScript = let
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backupName = if backup-all then "all" else "postgres";
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backupService = if backup-all then "postgresqlBackup" else "postgresqlBackup-postgres";
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backupFileBase = "/var/backup/postgresql/${backupName}";
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in ''
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def check_count(statement, lines):
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return 'test $(sudo -u postgres psql postgres -tAc "{}"|wc -l) -eq {}'.format(
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statement, lines
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)
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machine.start()
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machine.wait_for_unit("postgresql")
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with subtest("Postgresql is available just after unit start"):
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machine.succeed(
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"cat ${test-sql} | sudo -u postgres psql"
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)
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with subtest("Postgresql survives restart (bug #1735)"):
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machine.shutdown()
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import time
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time.sleep(2)
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machine.start()
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machine.wait_for_unit("postgresql")
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machine.fail(check_count("SELECT * FROM sth;", 3))
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machine.succeed(check_count("SELECT * FROM sth;", 5))
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machine.fail(check_count("SELECT * FROM sth;", 4))
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machine.succeed(check_count("SELECT xpath('/test/text()', doc) FROM xmltest;", 1))
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with subtest("Backup service works"):
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machine.succeed(
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"systemctl start ${backupService}.service",
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"zcat ${backupFileBase}.sql.gz | grep '<test>ok</test>'",
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"ls -hal /var/backup/postgresql/ >/dev/console",
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"stat -c '%a' ${backupFileBase}.sql.gz | grep 600",
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)
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with subtest("Backup service removes prev files"):
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machine.succeed(
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# Create dummy prev files.
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"touch ${backupFileBase}.prev.sql{,.gz,.zstd}",
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"chown postgres:postgres ${backupFileBase}.prev.sql{,.gz,.zstd}",
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# Run backup.
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"systemctl start ${backupService}.service",
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"ls -hal /var/backup/postgresql/ >/dev/console",
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# Since nothing has changed in the database, the cur and prev files
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# should match.
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"zcat ${backupFileBase}.sql.gz | grep '<test>ok</test>'",
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"cmp ${backupFileBase}.sql.gz ${backupFileBase}.prev.sql.gz",
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# The prev files with unused suffix should be removed.
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"[ ! -f '${backupFileBase}.prev.sql' ]",
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"[ ! -f '${backupFileBase}.prev.sql.zstd' ]",
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# Both cur and prev file should only be accessible by the postgres user.
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"stat -c '%a' ${backupFileBase}.sql.gz | grep 600",
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"stat -c '%a' '${backupFileBase}.prev.sql.gz' | grep 600",
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)
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with subtest("Backup service fails gracefully"):
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# Sabotage the backup process
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machine.succeed("rm /run/postgresql/.s.PGSQL.5432")
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machine.fail(
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"systemctl start ${backupService}.service",
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)
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machine.succeed(
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"ls -hal /var/backup/postgresql/ >/dev/console",
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"zcat ${backupFileBase}.prev.sql.gz | grep '<test>ok</test>'",
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"stat ${backupFileBase}.in-progress.sql.gz",
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)
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# In a previous version, the second run would overwrite prev.sql.gz,
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# so we test a second run as well.
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machine.fail(
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"systemctl start ${backupService}.service",
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)
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machine.succeed(
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"stat ${backupFileBase}.in-progress.sql.gz",
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"zcat ${backupFileBase}.prev.sql.gz | grep '<test>ok</test>'",
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)
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with subtest("Initdb works"):
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machine.succeed("sudo -u postgres initdb -D /tmp/testpostgres2")
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machine.shutdown()
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'';
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};
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mk-ensure-clauses-test = postgresql-name: postgresql-package: makeTest {
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name = postgresql-name;
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meta = with pkgs.lib.maintainers; {
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maintainers = [ zagy ];
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};
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nodes.machine = {...}:
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{
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services.postgresql = {
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enable = true;
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package = postgresql-package;
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ensureUsers = [
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{
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name = "all-clauses";
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ensureClauses = {
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superuser = true;
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createdb = true;
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createrole = true;
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"inherit" = true;
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login = true;
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replication = true;
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bypassrls = true;
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};
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}
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{
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name = "default-clauses";
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}
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];
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};
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};
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testScript = let
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getClausesQuery = user: pkgs.lib.concatStringsSep " "
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[
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"SELECT row_to_json(row)"
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"FROM ("
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"SELECT"
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"rolsuper,"
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"rolinherit,"
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"rolcreaterole,"
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"rolcreatedb,"
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"rolcanlogin,"
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"rolreplication,"
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"rolbypassrls"
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"FROM pg_roles"
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"WHERE rolname = '${user}'"
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") row;"
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];
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in ''
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import json
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machine.start()
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machine.wait_for_unit("postgresql")
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with subtest("All user permissions are set according to the ensureClauses attr"):
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clauses = json.loads(
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machine.succeed(
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"sudo -u postgres psql -tc \"${getClausesQuery "all-clauses"}\""
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)
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)
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print(clauses)
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assert clauses['rolsuper'], 'expected user with clauses to have superuser clause'
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assert clauses['rolinherit'], 'expected user with clauses to have inherit clause'
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assert clauses['rolcreaterole'], 'expected user with clauses to have create role clause'
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assert clauses['rolcreatedb'], 'expected user with clauses to have create db clause'
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assert clauses['rolcanlogin'], 'expected user with clauses to have login clause'
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assert clauses['rolreplication'], 'expected user with clauses to have replication clause'
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assert clauses['rolbypassrls'], 'expected user with clauses to have bypassrls clause'
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with subtest("All user permissions default when ensureClauses is not provided"):
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clauses = json.loads(
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machine.succeed(
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"sudo -u postgres psql -tc \"${getClausesQuery "default-clauses"}\""
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)
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)
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assert not clauses['rolsuper'], 'expected user with no clauses set to have default superuser clause'
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assert clauses['rolinherit'], 'expected user with no clauses set to have default inherit clause'
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assert not clauses['rolcreaterole'], 'expected user with no clauses set to have default create role clause'
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assert not clauses['rolcreatedb'], 'expected user with no clauses set to have default create db clause'
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assert clauses['rolcanlogin'], 'expected user with no clauses set to have default login clause'
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assert not clauses['rolreplication'], 'expected user with no clauses set to have default replication clause'
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assert not clauses['rolbypassrls'], 'expected user with no clauses set to have default bypassrls clause'
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machine.shutdown()
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'';
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};
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in
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concatMapAttrs (name: package: {
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${name} = make-postgresql-test name package false;
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${name + "-backup-all"} = make-postgresql-test "${name + "-backup-all"}" package true;
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${name + "-clauses"} = mk-ensure-clauses-test name package;
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}) postgresql-versions
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