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nixpkgs/nixos/tests/taskserver.nix
aszlig 5af8b120a6
nixos/tests/taskserver: Add test for manual config
This subtest actually serves two purposes:

  1. Test manual PKI configuration
  2. Test changing of configuration files

In order to only test manual PKI configuration it would have been enough
to just add another server with a manual config.

But as the switch from automatic PKI config to manual config is probably
one of the most fundamental changes in configuration, so it serves
*very* well to also check whether changes in the NixOS configuration
actually have an impact in the real system.

So instead of adding another server, we now create a dummy "newServer"
machine, which is the new configuration for "server" and use
switch-to-configuration to switch "server" to the config of "newServer".

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
2017-02-17 19:46:01 +01:00

286 lines
8.8 KiB
Nix

import ./make-test.nix ({ pkgs, ... }: let
snakeOil = pkgs.runCommand "snakeoil-certs" {
outputs = [ "out" "cacert" "cert" "key" "crl" ];
buildInputs = [ pkgs.gnutls.bin ];
caTemplate = pkgs.writeText "snakeoil-ca.template" ''
cn = server
expiration_days = -1
cert_signing_key
ca
'';
certTemplate = pkgs.writeText "snakeoil-cert.template" ''
cn = server
expiration_days = -1
tls_www_server
encryption_key
signing_key
'';
crlTemplate = pkgs.writeText "snakeoil-crl.template" ''
expiration_days = -1
'';
userCertTemplace = pkgs.writeText "snakoil-user-cert.template" ''
organization = snakeoil
cn = server
expiration_days = -1
tls_www_client
encryption_key
signing_key
'';
} ''
certtool -p --bits 4096 --outfile ca.key
certtool -s --template "$caTemplate" --load-privkey ca.key \
--outfile "$cacert"
certtool -p --bits 4096 --outfile "$key"
certtool -c --template "$certTemplate" \
--load-ca-privkey ca.key \
--load-ca-certificate "$cacert" \
--load-privkey "$key" \
--outfile "$cert"
certtool --generate-crl --template "$crlTemplate" \
--load-ca-privkey ca.key \
--load-ca-certificate "$cacert" \
--outfile "$crl"
mkdir "$out"
# Stripping key information before the actual PEM-encoded values is solely
# to make test output a bit less verbose when copying the client key to the
# actual client.
certtool -p --bits 4096 | sed -n \
-e '/^----* *BEGIN/,/^----* *END/p' > "$out/alice.key"
certtool -c --template "$userCertTemplace" \
--load-privkey "$out/alice.key" \
--load-ca-privkey ca.key \
--load-ca-certificate "$cacert" \
--outfile "$out/alice.cert"
'';
in {
name = "taskserver";
nodes = rec {
server = {
services.taskserver.enable = true;
services.taskserver.listenHost = "::";
services.taskserver.fqdn = "server";
services.taskserver.organisations = {
testOrganisation.users = [ "alice" "foo" ];
anotherOrganisation.users = [ "bob" ];
};
};
# New generation of the server with manual config
newServer = { lib, nodes, ... }: {
imports = [ server ];
services.taskserver.pki.manual = {
ca.cert = snakeOil.cacert;
server.cert = snakeOil.cert;
server.key = snakeOil.key;
server.crl = snakeOil.crl;
};
# This is to avoid assigning a different network address to the new
# generation.
networking = lib.mapAttrs (lib.const lib.mkForce) {
inherit (nodes.server.config.networking)
hostName interfaces primaryIPAddress extraHosts;
};
};
client1 = { pkgs, ... }: {
environment.systemPackages = [ pkgs.taskwarrior pkgs.gnutls ];
users.users.alice.isNormalUser = true;
users.users.bob.isNormalUser = true;
users.users.foo.isNormalUser = true;
users.users.bar.isNormalUser = true;
};
client2 = client1;
};
testScript = { nodes, ... }: let
cfg = nodes.server.config.services.taskserver;
portStr = toString cfg.listenPort;
newServerSystem = nodes.newServer.config.system.build.toplevel;
switchToNewServer = "${newServerSystem}/bin/switch-to-configuration test";
in ''
sub su ($$) {
my ($user, $cmd) = @_;
my $esc = $cmd =~ s/'/'\\${"'"}'/gr;
return "su - $user -c '$esc'";
}
sub setupClientsFor ($$;$) {
my ($org, $user, $extraInit) = @_;
for my $client ($client1, $client2) {
$client->nest("initialize client for user $user", sub {
$client->succeed(
(su $user, "rm -rf /home/$user/.task"),
(su $user, "task rc.confirmation=no config confirmation no")
);
my $exportinfo = $server->succeed(
"nixos-taskserver user export $org $user"
);
$exportinfo =~ s/'/'\\'''/g;
$client->nest("importing taskwarrior configuration", sub {
my $cmd = su $user, "eval '$exportinfo' >&2";
my ($status, $out) = $client->execute_($cmd);
if ($status != 0) {
$client->log("output: $out");
die "command `$cmd' did not succeed (exit code $status)\n";
}
});
eval { &$extraInit($client, $org, $user) };
$client->succeed(su $user,
"task config taskd.server server:${portStr} >&2"
);
$client->succeed(su $user, "task sync init >&2");
});
}
}
sub restartServer {
$server->succeed("systemctl restart taskserver.service");
$server->waitForOpenPort(${portStr});
}
sub readdImperativeUser {
$server->nest("(re-)add imperative user bar", sub {
$server->execute("nixos-taskserver org remove imperativeOrg");
$server->succeed(
"nixos-taskserver org add imperativeOrg",
"nixos-taskserver user add imperativeOrg bar"
);
setupClientsFor "imperativeOrg", "bar";
});
}
sub testSync ($) {
my $user = $_[0];
subtest "sync for user $user", sub {
$client1->succeed(su $user, "task add foo >&2");
$client1->succeed(su $user, "task sync >&2");
$client2->fail(su $user, "task list >&2");
$client2->succeed(su $user, "task sync >&2");
$client2->succeed(su $user, "task list >&2");
};
}
sub checkClientCert ($) {
my $user = $_[0];
my $cmd = "gnutls-cli".
" --x509cafile=/home/$user/.task/keys/ca.cert".
" --x509keyfile=/home/$user/.task/keys/private.key".
" --x509certfile=/home/$user/.task/keys/public.cert".
" --port=${portStr} server < /dev/null";
return su $user, $cmd;
}
# Explicitly start the VMs so that we don't accidentally start newServer
$server->start;
$client1->start;
$client2->start;
$server->waitForUnit("taskserver.service");
$server->succeed(
"nixos-taskserver user list testOrganisation | grep -qxF alice",
"nixos-taskserver user list testOrganisation | grep -qxF foo",
"nixos-taskserver user list anotherOrganisation | grep -qxF bob"
);
$server->waitForOpenPort(${portStr});
$client1->waitForUnit("multi-user.target");
$client2->waitForUnit("multi-user.target");
setupClientsFor "testOrganisation", "alice";
setupClientsFor "testOrganisation", "foo";
setupClientsFor "anotherOrganisation", "bob";
testSync $_ for ("alice", "bob", "foo");
$server->fail("nixos-taskserver user add imperativeOrg bar");
readdImperativeUser;
testSync "bar";
subtest "checking certificate revocation of user bar", sub {
$client1->succeed(checkClientCert "bar");
$server->succeed("nixos-taskserver user remove imperativeOrg bar");
restartServer;
$client1->fail(checkClientCert "bar");
$client1->succeed(su "bar", "task add destroy everything >&2");
$client1->fail(su "bar", "task sync >&2");
};
readdImperativeUser;
subtest "checking certificate revocation of org imperativeOrg", sub {
$client1->succeed(checkClientCert "bar");
$server->succeed("nixos-taskserver org remove imperativeOrg");
restartServer;
$client1->fail(checkClientCert "bar");
$client1->succeed(su "bar", "task add destroy even more >&2");
$client1->fail(su "bar", "task sync >&2");
};
readdImperativeUser;
subtest "check whether declarative config overrides user bar", sub {
restartServer;
testSync "bar";
};
subtest "check manual configuration", sub {
$server->succeed('${switchToNewServer} >&2');
$server->waitForUnit("taskserver.service");
$server->waitForOpenPort(${portStr});
$server->succeed(
"nixos-taskserver org add manualOrg",
"nixos-taskserver user add manualOrg alice"
);
setupClientsFor "manualOrg", "alice", sub {
my ($client, $org, $user) = @_;
my $cfgpath = "/home/$user/.task";
$client->copyFileFromHost("${snakeOil.cacert}", "$cfgpath/ca.cert");
for my $file ('alice.key', 'alice.cert') {
$client->copyFileFromHost("${snakeOil}/$file", "$cfgpath/$file");
}
for my $file ("$user.key", "$user.cert") {
$client->copyFileFromHost(
"${snakeOil}/$file", "$cfgpath/$file"
);
}
$client->copyFileFromHost(
"${snakeOil.cacert}", "$cfgpath/ca.cert"
);
$client->succeed(
(su "alice", "task config taskd.ca $cfgpath/ca.cert"),
(su "alice", "task config taskd.key $cfgpath/$user.key"),
(su $user, "task config taskd.certificate $cfgpath/$user.cert")
);
};
testSync "alice";
};
'';
})