commit 90ad4d9da74a995e2b53cbcdb8a909a9fb40ef4f · pyrox.dev/nixpkgs

+60 -74
nixos/tests/dhparams.nix
···

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       let

     

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         common = { pkgs, ... }: {

     

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       import ./make-test-python.nix {

     

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         name = "dhparams";

     

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         nodes.machine = { pkgs, ... }: {

     

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           security.dhparams.enable = true;

     

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           environment.systemPackages = [ pkgs.openssl ];

     

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         };

     

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       in import ./make-test-python.nix {

     

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         name = "dhparams";

     

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           specialisation = {

     

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             gen1.configuration = { config, ... }: {

     

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               security.dhparams.params = {

     

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                 # Use low values here because we don't want the test to run for ages.

     

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                 foo.bits = 1024;

     

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                 # Also use the old format to make sure the type is coerced in the right

     

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                 # way.

     

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                 bar = 1025;

     

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               };

     

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         nodes.generation1 = { pkgs, config, ... }: {

     

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           imports = [ common ];

     

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           security.dhparams.params = {

     

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             # Use low values here because we don't want the test to run for ages.

     

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             foo.bits = 16;

     

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             # Also use the old format to make sure the type is coerced in the right

     

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             # way.

     

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             bar = 17;

     

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           };

     

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               systemd.services.foo = {

     

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                 description = "Check systemd Ordering";

     

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                 wantedBy = [ "multi-user.target" ];

     

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                 unitConfig = {

     

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                   # This is to make sure that the dhparams generation of foo occurs

     

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                   # before this service so we need this service to start as early as

     

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                   # possible to provoke a race condition.

     

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                   DefaultDependencies = false;

     

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           systemd.services.foo = {

     

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             description = "Check systemd Ordering";

     

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             wantedBy = [ "multi-user.target" ];

     

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             unitConfig = {

     

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               # This is to make sure that the dhparams generation of foo occurs

     

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               # before this service so we need this service to start as early as

     

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               # possible to provoke a race condition.

     

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               DefaultDependencies = false;

     

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               # We check later whether the service has been started or not.

     

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               ConditionPathExists = config.security.dhparams.params.foo.path;

     

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                   # We check later whether the service has been started or not.

     

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                   ConditionPathExists = config.security.dhparams.params.foo.path;

     

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                 };

     

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                 serviceConfig.Type = "oneshot";

     

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                 serviceConfig.RemainAfterExit = true;

     

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                 # The reason we only provide an ExecStop here is to ensure that we don't

     

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                 # accidentally trigger an error because a file system is not yet ready

     

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                 # during very early startup (we might not even have the Nix store

     

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                 # available, for example if future changes in NixOS use systemd mount

     

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                 # units to do early file system initialisation).

     

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                 serviceConfig.ExecStop = "${pkgs.coreutils}/bin/true";

     

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               };

     

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             };

     

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             serviceConfig.Type = "oneshot";

     

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             serviceConfig.RemainAfterExit = true;

     

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             # The reason we only provide an ExecStop here is to ensure that we don't

     

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             # accidentally trigger an error because a file system is not yet ready

     

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             # during very early startup (we might not even have the Nix store

     

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             # available, for example if future changes in NixOS use systemd mount

     

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             # units to do early file system initialisation).

     

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             serviceConfig.ExecStop = "${pkgs.coreutils}/bin/true";

     

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             gen2.configuration = {

     

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               security.dhparams.params.foo.bits = 1026;

     

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             };

     

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             gen3.configuration =  {};

     

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             gen4.configuration = {

     

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               security.dhparams.stateful = false;

     

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               security.dhparams.params.foo2.bits = 1027;

     

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               security.dhparams.params.bar2.bits = 1028;

     

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             };

     

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             gen5.configuration = {

     

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               security.dhparams.defaultBitSize = 1029;

     

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               security.dhparams.params.foo3 = {};

     

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               security.dhparams.params.bar3 = {};

     

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             };

     

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           };

     

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         };

     

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         nodes.generation2 = {

     

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           imports = [ common ];

     

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           security.dhparams.params.foo.bits = 18;

     

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         };

     

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         nodes.generation3 = common;

     

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         nodes.generation4 = {

     

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           imports = [ common ];

     

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           security.dhparams.stateful = false;

     

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           security.dhparams.params.foo2.bits = 18;

     

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           security.dhparams.params.bar2.bits = 19;

     

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         };

     

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         nodes.generation5 = {

     

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           imports = [ common ];

     

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           security.dhparams.defaultBitSize = 30;

     

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           security.dhparams.params.foo3 = {};

     

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           security.dhparams.params.bar3 = {};

     

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         };

     

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         testScript = { nodes, ... }: let

     

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           getParamPath = gen: name: let

     

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             node = "generation${toString gen}";

     

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           in nodes.${node}.config.security.dhparams.params.${name}.path;

     

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             node = "gen${toString gen}";

     

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           in nodes.machine.config.specialisation.${node}.configuration.security.dhparams.params.${name}.path;

     

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           switchToGeneration = gen: let

     

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             node = "generation${toString gen}";

     

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             inherit (nodes.${node}.config.system.build) toplevel;

     

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             switchCmd = "${toplevel}/bin/switch-to-configuration test";

     

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             switchCmd = "${nodes.machine.config.system.build.toplevel}/specialisation/gen${toString gen}/bin/switch-to-configuration test";

     

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           in ''

     

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             with machine.nested("switch to generation ${toString gen}"):

     

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                 machine.succeed(

     

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                     "${switchCmd}"

     

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                 )

     

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                 machine = ${node}

     

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               machine.succeed("${switchCmd}")

     

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           '';

     

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         in ''

     
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                   if match[1] != str(bits):

     

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                       raise Exception(f"bit size should be {bits} but it is {match[1]} instead.")

     

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           machine = generation1

     

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           machine.wait_for_unit("multi-user.target")

     

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           ${switchToGeneration 1}

     

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           with subtest("verify startup order"):

     

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               machine.succeed("systemctl is-active foo.service")

     

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           with subtest("check bit sizes of dhparam files"):

     

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               assert_param_bits("${getParamPath 1 "foo"}", 16)

     

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               assert_param_bits("${getParamPath 1 "bar"}", 17)

     

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               assert_param_bits("${getParamPath 1 "foo"}", 1024)

     

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               assert_param_bits("${getParamPath 1 "bar"}", 1025)

     

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           ${switchToGeneration 2}

     

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           with subtest("check whether bit size has changed"):

     

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               assert_param_bits("${getParamPath 2 "foo"}", 18)

     

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               assert_param_bits("${getParamPath 2 "foo"}", 1026)

     

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           with subtest("ensure that dhparams file for 'bar' was deleted"):

     

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               machine.fail("test -e ${getParamPath 1 "bar"}")

     
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           ${switchToGeneration 3}

     

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           with subtest("ensure that 'security.dhparams.path' has been deleted"):

     

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               machine.fail("test -e ${nodes.generation3.config.security.dhparams.path}")

     

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               machine.fail("test -e ${nodes.machine.config.specialisation.gen3.configuration.security.dhparams.path}")

     

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           ${switchToGeneration 4}

     

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           with subtest("check bit sizes dhparam files"):

     

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               assert_param_bits(

     

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                   "${getParamPath 4 "foo2"}", 18

     

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                   "${getParamPath 4 "foo2"}", 1027

     

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               )

     

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               assert_param_bits(

     

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                   "${getParamPath 4 "bar2"}", 19

     

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                   "${getParamPath 4 "bar2"}", 1028

     

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               )

     

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           with subtest("check whether dhparam files are in the Nix store"):

     
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           ${switchToGeneration 5}

     

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           with subtest("check whether defaultBitSize works as intended"):

     

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               assert_param_bits("${getParamPath 5 "foo3"}", 30)

     

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               assert_param_bits("${getParamPath 5 "bar3"}", 30)

     

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               assert_param_bits("${getParamPath 5 "foo3"}", 1029)

     

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               assert_param_bits("${getParamPath 5 "bar3"}", 1029)

     

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         '';

     

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       }