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LDAP support: include BC support for the YAML based loading

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Includes a refactoring of the configuration loader.
This commit is contained in:
Graham Christensen 2022-02-09 21:06:28 -05:00
parent 61d74a7194
commit f07fb7d279
16 changed files with 475 additions and 41 deletions
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49
doc/manual/src/configuration.md
View file

@ -105,11 +105,11 @@ in the hydra configuration file, as below:
Using LDAP as authentication backend (optional)
-----------------------------------------------
Instead of using Hydra\'s built-in user management you can optionally
Instead of using Hydra's built-in user management you can optionally
use LDAP to manage roles and users.
This is configured by defining the `<ldap>` block in the configuration file.
In this block it\'s possible to configure the authentication plugin in the
In this block it's possible to configure the authentication plugin in the
`<config>` block, all options are directly passed to `Catalyst::Authentication
::Store::LDAP`. The documentation for the available settings can be found [here]
(https://metacpan.org/pod/Catalyst::Authentication::Store::LDAP#CONFIGURATION-OPTIONS).
@ -135,7 +135,6 @@ Example configuration:
ldap_server = localhost
<ldap_server_options>
timeout = 30
debug = 2
</ldap_server_options>
binddn = "cn=root,dc=example"
bindpw = notapassword
@ -164,14 +163,52 @@ Example configuration:
<role_mapping>
# Make all users in the hydra_admin group Hydra admins
hydra_admin = admin
# Allow all users in the dev group to restart jobs
# Allow all users in the dev group to restart jobs and cancel builds
dev = restart-jobs
dev = cancel-builds
</role_mapping>
</ldap>
```
This example configuration also enables the (very verbose) LDAP debug logging
by setting `config.ldap_server_options.debug`.
### Debugging LDAP
Set the `debug` parameter under `ldap.config.ldap_server_options.debug`:
```
<ldap>
<config>
<store>
<ldap_server_options>
debug = 2
</ldap_server_options>
</store>
</config>
</ldap>
```
### Legacy LDAP Configuration
Hydra used to load the LDAP configuration from a YAML file in the
`HYDRA_LDAP_CONFIG` environment variable. This behavior is deperecated
and will be removed.
When Hydra uses the deprecated YAML file, Hydra applies the following
default role mapping:
```
<ldap>
<role_mapping>
hydra_admin = admin
hydra_bump-to-front = bump-to-front
hydra_cancel-build = cancel-build
hydra_create-projects = create-projects
hydra_restart-jobs = restart-jobs
</role_mapping>
</ldap>
```
Note that configuring both the LDAP parameters in the hydra.conf and via
the environment variable is a fatal error.
Embedding Extra HTML
--------------------

1
flake.nix
View file

@ -521,6 +521,7 @@
TextDiff
TextTable
UUID4Tiny
YAML
XMLSimple
];
};

4
src/lib/Hydra.pm
View file

@ -6,7 +6,7 @@ use parent 'Catalyst';
use Moose;
use Hydra::Plugin;
use Hydra::Model::DB;
use Hydra::Helper::Nix qw(getHydraConfig);
use Hydra::Config qw(getLDAPConfigAmbient);
use Catalyst::Runtime '5.70';
use Catalyst qw/ConfigLoader
Static::Simple
@ -43,7 +43,7 @@ __PACKAGE__->config(
role_field => "role",
},
},
ldap => Hydra::Helper::Nix::getHydraConfig->{'ldap'}->{'config'}
ldap => getLDAPConfigAmbient()->{'config'}
},
'Plugin::ConfigLoader' => {
driver => {

158
src/lib/Hydra/Config.pm
View file

@ -2,7 +2,165 @@ package Hydra::Config;
use strict;
use warnings;
use Config::General;
use List::SomeUtils qw(none);
use YAML qw(LoadFile);
our @ISA = qw(Exporter);
our @EXPORT = qw(
getHydraConfig
getLDAPConfig
getLDAPConfigAmbient
);
our %configGeneralOpts = (-UseApacheInclude => 1, -IncludeAgain => 1, -IncludeRelative => 1);
my $hydraConfigCache;
sub getHydraConfig {
return $hydraConfigCache if defined $hydraConfigCache;
my $conf;
if ($ENV{"HYDRA_CONFIG"}) {
$conf = $ENV{"HYDRA_CONFIG"};
} else {
require Hydra::Model::DB;
$conf = Hydra::Model::DB::getHydraPath() . "/hydra.conf"
};
if (-f $conf) {
$hydraConfigCache = loadConfig($conf);
} else {
$hydraConfigCache = {};
}
return $hydraConfigCache;
}
sub loadConfig {
my ($sourceFile) = @_;
my %opts = (%configGeneralOpts, -ConfigFile => $sourceFile);
return { Config::General->new(%opts)->getall };
}
sub is_ldap_in_legacy_mode {
my ($config, %env) = @_;
my $legacy_defined = defined $env{"HYDRA_LDAP_CONFIG"};
if (defined $config->{"ldap"}) {
if ($legacy_defined) {
die "The legacy environment variable HYDRA_LDAP_CONFIG is set, but config is also specified in hydra.conf. Please unset the environment variable.";
}
return 0;
} elsif ($legacy_defined) {
warn "Hydra is configured to use LDAP via the HYDRA_LDAP_CONFIG, a deprecated method. Please see the docs about configuring LDAP in the hydra.conf.";
return 1;
} else {
return 0;
}
}
sub getLDAPConfigAmbient {
return getLDAPConfig(getHydraConfig(), %ENV);
}
sub getLDAPConfig {
my ($config, %env) = @_;
my $ldap_config;
if (is_ldap_in_legacy_mode($config, %env)) {
$ldap_config = get_legacy_ldap_config($env{"HYDRA_LDAP_CONFIG"});
} else {
$ldap_config = $config->{"ldap"};
}
$ldap_config->{"role_mapping"} = normalize_ldap_role_mappings($ldap_config->{"role_mapping"});
return $ldap_config;
}
sub get_legacy_ldap_config {
my ($ldap_yaml_file) = @_;
return {
config => LoadFile($ldap_yaml_file),
role_mapping => {
"hydra_admin" => [ "admin" ],
"hydra_bump-to-front" => [ "bump-to-front" ],
"hydra_cancel-build" => [ "cancel-build" ],
"hydra_create-projects" => [ "create-projects" ],
"hydra_restart-jobs" => [ "restart-jobs" ],
},
};
}
sub normalize_ldap_role_mappings {
my ($input_map) = @_;
my $mapping = {};
my @errors;
for my $group (keys %{$input_map}) {
my $input = $input_map->{$group};
if (ref $input eq "ARRAY") {
$mapping->{$group} = $input;
} elsif (ref $input eq "") {
$mapping->{$group} = [ $input ];
} else {
push @errors, "On group '$group': the value is of type ${\ref $input}. Only strings and lists are acceptable.";
$mapping->{$group} = [ ];
}
eval {
validate_roles($mapping->{$group});
};
if ($@) {
push @errors, "On group '$group': $@";
}
}
if (@errors) {
die join "\n", @errors;
}
return $mapping;
}
sub validate_roles {
my ($roles) = @_;
my @invalid;
my $valid = valid_roles();
for my $role (@$roles) {
if (none { $_ eq $role } @$valid) {
push @invalid, "'$role'";
}
}
if (@invalid) {
die "Invalid roles: ${\join ', ', @invalid}. Valid roles are: ${\join ', ', @$valid}.";
}
return 1;
}
sub valid_roles {
return [
"admin",
"bump-to-front",
"cancel-build",
"create-projects",
"restart-jobs",
];
}
1;

12
src/lib/Hydra/Controller/User.pm
View file

@ -7,6 +7,7 @@ use base 'Hydra::Base::Controller::REST';
use File::Slurper qw(read_text);
use Crypt::RandPasswd;
use Digest::SHA1 qw(sha1_hex);
use Hydra::Config qw(getLDAPConfigAmbient);
use Hydra::Helper::Nix;
use Hydra::Helper::CatalystUtils;
use Hydra::Helper::Email;
@ -56,12 +57,10 @@ sub logout_POST {
sub doLDAPLogin {
my ($self, $c, $username) = @_;
my $user = $c->find_user({ username => $username });
my $LDAPUser = $c->find_user({ username => $username }, 'ldap');
my @LDAPRoles = $LDAPUser->roles;
my %ldap_config = %{Hydra::Helper::Nix::getHydraConfig->{'ldap'}};
my %role_mapping = $ldap_config{'role_mapping'} ? %{$ldap_config{'role_mapping'}} : ();
my $role_mapping = getLDAPConfigAmbient()->{"role_mapping"};
if (!$user) {
$c->model('DB::Users')->create(
@ -82,8 +81,11 @@ sub doLDAPLogin {
}
$user->userroles->delete;
foreach my $ldap_role (@LDAPRoles) {
if (%role_mapping{$ldap_role}) {
$user->userroles->create({ role => $role_mapping{$ldap_role} });
if (defined($role_mapping->{$ldap_role})) {
my $roles = $role_mapping->{$ldap_role};
for my $mapped_role (@$roles) {
$user->userroles->create({ role => $mapped_role });
}
}
}
$c->set_authenticated($user);

19
src/lib/Hydra/Helper/Nix.pm
View file

@ -5,7 +5,6 @@ use warnings;
use Exporter;
use File::Path;
use File::Basename;
use Config::General;
use Hydra::Config;
use Hydra::Helper::CatalystUtils;
use Hydra::Model::DB;
@ -49,24 +48,6 @@ sub getHydraHome {
return $dir;
}
my $hydraConfig;
sub getHydraConfig {
return $hydraConfig if defined $hydraConfig;
my $conf = $ENV{"HYDRA_CONFIG"} || (Hydra::Model::DB::getHydraPath . "/hydra.conf");
my %opts = (%Hydra::Config::configGeneralOpts, -ConfigFile => $conf);
if (-f $conf) {
my %h = Config::General->new(%opts)->getall;
$hydraConfig = \%h;
} else {
$hydraConfig = {};
}
return $hydraConfig;
}
# Return hash of statsd configuration of the following shape:
# (
# host => string,

1
src/script/hydra-eval-jobset
View file

@ -8,6 +8,7 @@ use Data::Dump qw(dump);
use Digest::SHA qw(sha256_hex);
use Encode;
use File::Slurper qw(read_text);
use Hydra::Config;
use Hydra::Helper::AddBuilds;
use Hydra::Helper::CatalystUtils;
use Hydra::Helper::Email;

1
src/script/hydra-notify
View file

@ -6,6 +6,7 @@ use utf8;
use Getopt::Long;
use Time::HiRes qw( gettimeofday tv_interval );
use HTTP::Server::PSGI;
use Hydra::Config;
use Hydra::Event;
use Hydra::Event::BuildFinished;
use Hydra::Helper::AddBuilds;

1
src/script/hydra-s3-backup-collect-garbage
View file

@ -9,6 +9,7 @@ use Net::Amazon::S3;
use Net::Amazon::S3::Client;
use Nix::Config;
use Nix::Store;
use Hydra::Config;
use Hydra::Model::DB;
use Hydra::Helper::Nix;

1
src/script/hydra-send-stats
View file

@ -3,6 +3,7 @@
use strict;
use warnings;
use utf8;
use Hydra::Config;
use Hydra::Helper::Nix;
use Net::Statsd;
use File::Slurper qw(read_text);

1
src/script/hydra-update-gc-roots
View file

@ -6,6 +6,7 @@ use File::Path;
use File::stat;
use File::Basename;
use Nix::Store;
use Hydra::Config;
use Hydra::Schema;
use Hydra::Helper::Nix;
use Hydra::Model::DB;

3
t/Hydra/Config/hydra-notify.t
View file

@ -1,6 +1,7 @@
use strict;
use warnings;
use Setup;
use Hydra::Config;
my %ctx = test_init(hydra_config => q|
<hydra_notify>
@ -14,7 +15,7 @@ my %ctx = test_init(hydra_config => q|
require Hydra::Helper::Nix;
use Test2::V0;
is(Hydra::Helper::Nix::getHydraNotifyPrometheusConfig(Hydra::Helper::Nix::getHydraConfig()), {
is(Hydra::Helper::Nix::getHydraNotifyPrometheusConfig(getHydraConfig()), {
'listen_address' => "127.0.0.1",
'port' => 9199
}, "Reading specific configuration from the hydra.conf works");

7
t/Hydra/Config/include.t
View file

@ -1,6 +1,8 @@
use strict;
use warnings;
use Setup;
use Hydra::Config;
use Test2::V0;
my %ctx = test_init(
use_external_destination_store => 0,
@ -17,10 +19,7 @@ write_file($ctx{'tmpdir'} . "/bar.conf", q|
bar = baz
|);
require Hydra::Helper::Nix;
use Test2::V0;
is(Hydra::Helper::Nix::getHydraConfig(), {
is(getHydraConfig(), {
foo => { bar => "baz" }
}, "Nested includes work.");

242
t/Hydra/Config/ldap_role_map.t Normal file
View file

@ -0,0 +1,242 @@
use strict;
use warnings;
use Setup;
use Hydra::Config;
use Test2::V0;
my $tmpdir = File::Temp->newdir();
my $cfgfile = "$tmpdir/conf";
my $scratchCfgFile = "$tmpdir/hydra.scratch.conf";
my $ldapInHydraConfFile = "$tmpdir/hydra.empty.conf";
write_file($ldapInHydraConfFile, <<CONF);
<ldap>
<config>
<credential>
class = Password
</credential>
</config>
<role_mapping>
hydra_admin = admin
hydra_one_group_many_roles = create-projects
hydra_one_group_many_roles = cancel-build
</role_mapping>
</ldap>
CONF
my $ldapInHydraConf = Hydra::Config::loadConfig($ldapInHydraConfFile);
my $emptyHydraConfFile = "$tmpdir/hydra.empty.conf";
write_file($emptyHydraConfFile, "");
my $emptyHydraConf = Hydra::Config::loadConfig($emptyHydraConfFile);
my $ldapYamlFile = "$tmpdir/ldap.yaml";
write_file($ldapYamlFile, <<YAML);
credential:
class: Password
YAML
subtest "getLDAPConfig" => sub {
subtest "No ldap section and an env var gets us legacy data" => sub {
like(
warning {
is(
Hydra::Config::getLDAPConfig(
$emptyHydraConf,
( HYDRA_LDAP_CONFIG => $ldapYamlFile )
),
{
config => {
credential => {
class => "Password",
},
},
role_mapping => {
"hydra_admin" => [ "admin" ],
"hydra_bump-to-front" => [ "bump-to-front" ],
"hydra_cancel-build" => [ "cancel-build" ],
"hydra_create-projects" => [ "create-projects" ],
"hydra_restart-jobs" => [ "restart-jobs" ],
}
},
"The empty file and set env var make legacy mode active."
);
},
qr/configured to use LDAP via the HYDRA_LDAP_CONFIG/,
"Having the environment variable set warns."
);
};
subtest "An ldap section and no env var gets us normalized data" => sub {
is(
warns {
is(
Hydra::Config::getLDAPConfig(
$ldapInHydraConf,
()
),
{
config => {
credential => {
class => "Password",
},
},
role_mapping => {
"hydra_admin" => [ "admin" ],
"hydra_one_group_many_roles" => [ "create-projects", "cancel-build" ],
}
},
"The empty file and set env var make legacy mode active."
);
},
0,
"No warnings are issued for non-legacy LDAP support."
);
};
};
subtest "is_ldap_in_legacy_mode" => sub {
subtest "With the environment variable set and an empty hydra.conf" => sub {
like(
warning {
is(
Hydra::Config::is_ldap_in_legacy_mode(
$emptyHydraConf,
( HYDRA_LDAP_CONFIG => $ldapYamlFile )
),
1,
"The empty file and set env var make legacy mode active."
);
},
qr/configured to use LDAP via the HYDRA_LDAP_CONFIG/,
"Having the environment variable set warns."
);
};
subtest "With the environment variable set and LDAP specified in hydra.conf" => sub {
like(
dies {
Hydra::Config::is_ldap_in_legacy_mode(
$ldapInHydraConf,
( HYDRA_LDAP_CONFIG => $ldapYamlFile )
);
},
qr/HYDRA_LDAP_CONFIG is set, but config is also specified in hydra\.conf/,
"Having the environment variable set dies to avoid misconfiguration."
);
};
subtest "Without the environment variable set and an empty hydra.conf" => sub {
is(
warns {
is(
Hydra::Config::is_ldap_in_legacy_mode(
$emptyHydraConf,
()
),
0,
"The empty file and unset env var means non-legacy."
);
},
0,
"We should receive zero warnings."
);
};
subtest "Without the environment variable set and LDAP specified in hydra.conf" => sub {
is(
warns {
is(
Hydra::Config::is_ldap_in_legacy_mode(
$ldapInHydraConf,
()
),
0,
"The empty file and unset env var means non-legacy."
);
},
0,
"We should receive zero warnings."
);
};
};
subtest "get_legacy_ldap_config" => sub {
is(
Hydra::Config::get_legacy_ldap_config($ldapYamlFile),
{
config => {
credential => {
class => "Password",
},
},
role_mapping => {
"hydra_admin" => [ "admin" ],
"hydra_bump-to-front" => [ "bump-to-front" ],
"hydra_cancel-build" => [ "cancel-build" ],
"hydra_create-projects" => [ "create-projects" ],
"hydra_restart-jobs" => [ "restart-jobs" ],
}
},
"Legacy, default role maps are applied."
);
};
subtest "validate_roles" => sub {
ok(Hydra::Config::validate_roles([]), "An empty list is valid");
ok(Hydra::Config::validate_roles(Hydra::Config::valid_roles()), "All current roles are valid.");
like(
dies { Hydra::Config::validate_roles([""]) },
qr/Invalid roles: ''./,
"Invalid roles are failing"
);
like(
dies { Hydra::Config::validate_roles(["foo", "bar"]) },
qr/Invalid roles: 'foo', 'bar'./,
"All the invalid roles are present in the error"
);
};
subtest "normalize_ldap_role_mappings" => sub {
is(
Hydra::Config::normalize_ldap_role_mappings({}),
{},
"An empty input map is an empty output map."
);
is(
Hydra::Config::normalize_ldap_role_mappings({
hydra_admin => "admin",
hydra_one_group_many_roles => [ "create-projects", "bump-to-front" ],
}),
{
hydra_admin => [ "admin" ],
hydra_one_group_many_roles => [ "create-projects", "bump-to-front" ],
},
"Lists and plain strings normalize to lists"
);
like(
dies{
Hydra::Config::normalize_ldap_role_mappings({
"group" => "invalid-role",
}),
},
qr/Invalid roles.*invalid-role/,
"Invalid roles fail to normalize."
);
like(
dies{
Hydra::Config::normalize_ldap_role_mappings({
"group" => { "nested" => "data" },
}),
},
qr/On group 'group':.* Only strings/,
"Invalid nesting fail to normalize."
);
};
done_testing;

3
t/Hydra/Config/statsd.t
View file

@ -1,6 +1,7 @@
use strict;
use warnings;
use Setup;
use Hydra::Config;
my %ctx = test_init(hydra_config => q|
<statsd>
@ -12,7 +13,7 @@ my %ctx = test_init(hydra_config => q|
require Hydra::Helper::Nix;
use Test2::V0;
is(Hydra::Helper::Nix::getStatsdConfig(Hydra::Helper::Nix::getHydraConfig()), {
is(Hydra::Helper::Nix::getStatsdConfig(getHydraConfig()), {
'host' => "foo.bar",
'port' => 18125
}, "Reading specific configuration from the hydra.conf works");

7
t/Hydra/Controller/User/ldap.t
View file

@ -13,10 +13,12 @@ my $users = {
admin => $ldap->add_user("admin_user"),
not_admin => $ldap->add_user("not_admin_user"),
many_roles => $ldap->add_user("many_roles"),
many_roles_one_group => $ldap->add_user("many_roles_one_group"),
};
$ldap->add_group("hydra_admin", $users->{"admin"}->{"username"});
$ldap->add_group("hydra-admin", $users->{"not_admin"}->{"username"});
$ldap->add_group("hydra_one_group_many_roles", $users->{"many_roles_one_group"}->{"username"});
$ldap->add_group("hydra_create-projects", $users->{"many_roles"}->{"username"});
$ldap->add_group("hydra_restart-jobs", $users->{"many_roles"}->{"username"});
@ -69,6 +71,10 @@ my $ctx = test_context(
hydra_cancel-build = cancel-build
hydra_bump-to-front = bump-to-front
hydra_restart-jobs = restart-jobs
hydra_one_group_many_roles = create-projects
hydra_one_group_many_roles = cancel-build
hydra_one_group_many_roles = bump-to-front
</role_mapping>
</ldap>
CFG
@ -82,6 +88,7 @@ subtest "Valid login attempts" => sub {
admin => ["admin"],
not_admin => [],
many_roles => [ "create-projects", "restart-jobs", "bump-to-front", "cancel-build" ],
many_roles_one_group => [ "create-projects", "bump-to-front", "cancel-build" ],
);
for my $username (keys %users_to_roles) {
my $user = $users->{$username};