117 lines
4.2 KiB
Nix
117 lines
4.2 KiB
Nix
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{
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pkgs,
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makeTest,
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}:
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let
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inherit (pkgs) lib;
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makeTestFor =
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package:
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makeTest {
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name = "postgresql_anonymizer-${package.name}";
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meta.maintainers = lib.teams.flyingcircus.members;
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nodes.machine =
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{ pkgs, ... }:
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{
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environment.systemPackages = [ pkgs.pg-dump-anon ];
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services.postgresql = {
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inherit package;
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enable = true;
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extraPlugins = ps: [ ps.anonymizer ];
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settings.shared_preload_libraries = [ "anon" ];
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};
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};
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testScript = ''
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start_all()
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machine.wait_for_unit("multi-user.target")
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machine.wait_for_unit("postgresql.service")
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with subtest("Setup"):
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machine.succeed("sudo -u postgres psql --command 'create database demo'")
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machine.succeed(
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"sudo -u postgres psql -d demo -f ${pkgs.writeText "init.sql" ''
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create extension anon cascade;
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select anon.init();
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create table player(id serial, name text, points int);
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insert into player(id,name,points) values (1,'Foo', 23);
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insert into player(id,name,points) values (2,'Bar',42);
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security label for anon on column player.name is 'MASKED WITH FUNCTION anon.fake_last_name();';
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security label for anon on column player.points is 'MASKED WITH VALUE NULL';
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''}"
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)
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def get_player_table_contents():
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return [
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x.split(',') for x in machine.succeed("sudo -u postgres psql -d demo --csv --command 'select * from player'").splitlines()[1:]
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]
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def check_anonymized_row(row, id, original_name):
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assert row[0] == id, f"Expected first row to have ID {id}, but got {row[0]}"
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assert row[1] != original_name, f"Expected first row to have a name other than {original_name}"
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assert not bool(row[2]), "Expected points to be NULL in first row"
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def find_xsv_in_dump(dump, sep=','):
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"""
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Expecting to find a CSV (for pg_dump_anon) or TSV (for pg_dump) structure, looking like
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COPY public.player ...
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1,Shields,
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2,Salazar,
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\.
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in the given dump (the commas are tabs in case of pg_dump).
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Extract the CSV lines and split by `sep`.
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"""
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try:
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from itertools import dropwhile, takewhile
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return [x.split(sep) for x in list(takewhile(
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lambda x: x != "\\.",
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dropwhile(
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lambda x: not x.startswith("COPY public.player"),
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dump.splitlines()
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)
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))[1:]]
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except:
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print(f"Dump to process: {dump}")
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raise
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def check_original_data(output):
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assert output[0] == ['1','Foo','23'], f"Expected first row from player table to be 1,Foo,23; got {output[0]}"
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assert output[1] == ['2','Bar','42'], f"Expected first row from player table to be 2,Bar,42; got {output[1]}"
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def check_anonymized_rows(output):
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check_anonymized_row(output[0], '1', 'Foo')
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check_anonymized_row(output[1], '2', 'Bar')
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with subtest("Check initial state"):
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check_original_data(get_player_table_contents())
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with subtest("Anonymous dumps"):
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check_original_data(find_xsv_in_dump(
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machine.succeed("sudo -u postgres pg_dump demo"),
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sep='\t'
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))
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check_anonymized_rows(find_xsv_in_dump(
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machine.succeed("sudo -u postgres pg_dump_anon -U postgres -h /run/postgresql -d demo"),
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sep=','
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))
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with subtest("Anonymize"):
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machine.succeed("sudo -u postgres psql -d demo --command 'select anon.anonymize_database();'")
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check_anonymized_rows(get_player_table_contents())
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'';
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};
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in
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lib.recurseIntoAttrs (
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lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) (
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lib.filterAttrs (_: p: !p.pkgs.anonymizer.meta.broken) pkgs.postgresqlVersions
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)
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// {
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passthru.override = p: makeTestFor p;
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}
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)
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