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|
#!/usr/bin/perl
use warnings;
use strict;
use Test::More;
use POSIX;
use FindBin;
use Mojo::File qw(tempfile tempdir path);
use lib ("$FindBin::Bin/lib", "../lib", "lib");
BEGIN { $ENV{MOJO_CGROUP_FS} = tempdir() }
use Mojo::IOLoop::ReadWriteProcess qw(process);
use Mojo::IOLoop::ReadWriteProcess::Test::Utils qw(attempt);
use Mojo::IOLoop::ReadWriteProcess::CGroup qw(cgroupv2 cgroupv1);
use Mojo::IOLoop::ReadWriteProcess::Container qw(container);
use Mojo::Util 'monkey_patch';
use Mojo::IOLoop::ReadWriteProcess::Namespace;
eval {
die "OS Unsupported: " . $^O if ($^O !~ m#(?i)(Linux)#);
my $try_cgroup
= cgroupv1(controller => 'pids', name => 'group')->child('test')->create;
die unless $try_cgroup->exists();
};
plan skip_all =>
"This test works only if you have cgroups permissions or a supported OS"
if $@;
sub mock_test {
my $c = shift;
my @pids;
my $fired;
$c->session->on(register => sub { push(@pids, shift) });
$c->once(stop => sub { $fired++ });
$c->start();
my $cgroups = $c->cgroups;
attempt {
attempts => 20,
condition => sub { $cgroups->first->process_list // '' =~ /\d+/ },
cb => sub { sleep 1; }
};
my $p = $c->process();
is $cgroups->first->process_list, $p->pid . "\n",
"procs interface contains the added pids"
or diag explain $cgroups->first->process_list;
ok $cgroups->first->contains_process($p->pid),
"Parent contains pid " . $p->pid;
attempt {
attempts => 20,
condition => sub { !$c->is_running },
cb => sub { sleep 1; }
};
$c->wait_stop();
is $cgroups->first->process_list, $p->pid . "\n"
or die diag explain $cgroups->first->process_list;
unlink $cgroups->first->_cgroup->child(
Mojo::IOLoop::ReadWriteProcess::CGroup::v1::PROCS_INTERFACE);
$cgroups->first->remove();
ok !$cgroups->first->exists();
is $fired, 1;
}
subtest container => sub {
eval { container(process => 2)->start(); };
ok defined $@, 'Croaks if no sub or Mojo::IOLoop::ReadWriteProcess given';
like $@,
qr/You need either to pass a Mojo::IOLoop::ReadWriteProcess object or a callback/;
my $c = container(
subreaper => 1,
group => "group",
name => "test",
process =>
sub { sleep 5; Devel::Cover::report() if Devel::Cover->can('report'); },
);
my @pids;
my $fired;
$c->session->on(register => sub { push(@pids, shift) });
$c->once(stop => sub { $fired++ });
$c->start();
my $p = $c->process();
my $cgroups = $c->cgroups;
is $cgroups->first->process_list, $p->pid . "\n",
"procs interface contains the added pids"
or diag explain $cgroups->first->process_list;
ok $cgroups->first->contains_process($p->pid),
"Parent contains pid " . $p->pid;
attempt {
attempts => 20,
condition => sub { $cgroups->first->processes->size == 1 },
cb => sub { sleep 1; }
};
$c->wait();
is $cgroups->first->process_list, $p->pid . "\n"
or die diag explain $cgroups->first->process_list;
unlink $cgroups->first->_cgroup->child(
Mojo::IOLoop::ReadWriteProcess::CGroup::v1::PROCS_INTERFACE);
$cgroups->first->remove();
ok !$cgroups->first->exists();
is $fired, 1;
};
subtest container_2 => sub {
my $c = container(
subreaper => 1,
group => "group",
name => "test",
process => process(
sub { sleep 5; Devel::Cover::report() if Devel::Cover->can('report'); }
),
);
my @pids;
my $fired;
$c->session->on(register => sub { push(@pids, shift) });
$c->once(stop => sub { $fired++ });
$c->start();
my $p = $c->process();
my $cgroups = $c->cgroups;
is $cgroups->first->process_list, $p->pid . "\n",
"procs interface contains the added pids"
or diag explain $cgroups->first->process_list;
ok $cgroups->first->contains_process($p->pid),
"Parent contains pid " . $p->pid;
attempt {
attempts => 20,
condition => sub { !$c->is_running },
cb => sub { sleep 1; }
};
$c->wait_stop();
is $cgroups->first->process_list, $p->pid . "\n"
or die diag explain $cgroups->first->process_list;
unlink $cgroups->first->_cgroup->child(
Mojo::IOLoop::ReadWriteProcess::CGroup::v1::PROCS_INTERFACE);
$cgroups->first->remove();
ok !$cgroups->first->exists();
is $fired, 1;
$c->stop;
is $c->is_running, 0;
};
subtest container_3 => sub {
use Mojo::Collection 'c';
mock_test(
container(
subreaper => 1,
cgroups => cgroupv1(controller => 'pids', name => 'group')->child('test'),
group => "group",
name => "test",
process => process(
sub { sleep 5; Devel::Cover::report() if Devel::Cover->can('report'); }
),
));
my $t_cgroup = cgroupv1(controller => 'pids', name => 'group')->child('test');
mock_test(
container(
subreaper => 1,
pre_migrate => 1,
clean_cgroup => 1,
cgroups => c($t_cgroup),
group => "group",
name => "test",
process => process(
sub { sleep 5; Devel::Cover::report() if Devel::Cover->can('report'); }
),
));
ok !$t_cgroup->exists();
mock_test(
container(
unshare => 0,
pre_migrate => 1,
clean_cgroup => 1,
group => "group",
name => "test",
process => process(
sub { sleep 5; Devel::Cover::report() if Devel::Cover->can('report'); }
),
));
mock_test(
container(
pre_migrate => 1,
clean_cgroup => 1,
group => "group",
name => "test",
process => process(
sub { sleep 5; Devel::Cover::report() if Devel::Cover->can('report'); }
),
));
my $c = container(
pid_isolation => 1,
pre_migrate => 1,
clean_cgroup => 1,
group => "group",
name => "test",
process => process(
sub { sleep 5; Devel::Cover::report() if Devel::Cover->can('report'); }
),
);
mock_test($c);
ok $c->process->errored;
monkey_patch "Mojo::IOLoop::ReadWriteProcess::Namespace",
unshare => sub { 0 };
is Mojo::IOLoop::ReadWriteProcess::Namespace::unshare(1), 0;
mock_test(
container(
unshare => Mojo::IOLoop::ReadWriteProcess::Namespace::CLONE_NEWIPC,
clean_cgroup => 1,
group => "group",
name => "test",
process => process(
sub { sleep 5; Devel::Cover::report() if Devel::Cover->can('report'); }
),
));
mock_test(
container(
unshare => 0,
pre_migrate => 1,
clean_cgroup => 1,
group => "group",
name => "test",
process => process(
sub { sleep 5; Devel::Cover::report() if Devel::Cover->can('report'); }
),
));
mock_test(
container(
pre_migrate => 1,
pid_isolation => 1,
clean_cgroup => 1,
group => "group",
name => "test",
process => process(
sub { sleep 5; Devel::Cover::report() if Devel::Cover->can('report'); }
),
));
};
done_testing;
|
