open-nomad/client/allocrunner/network_hook_test.go

140 lines
4.0 KiB
Go

// Copyright (c) HashiCorp, Inc.
// SPDX-License-Identifier: MPL-2.0
package allocrunner
import (
"testing"
"github.com/hashicorp/nomad/ci"
"github.com/hashicorp/nomad/client/allocrunner/interfaces"
"github.com/hashicorp/nomad/client/taskenv"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/hashicorp/nomad/nomad/mock"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/hashicorp/nomad/plugins/drivers"
"github.com/hashicorp/nomad/plugins/drivers/testutils"
"github.com/shoenig/test"
"github.com/shoenig/test/must"
)
// statically assert network hook implements the expected interfaces
var _ interfaces.RunnerPrerunHook = (*networkHook)(nil)
var _ interfaces.RunnerPostrunHook = (*networkHook)(nil)
type mockNetworkIsolationSetter struct {
t *testing.T
expectedSpec *drivers.NetworkIsolationSpec
called bool
}
func (m *mockNetworkIsolationSetter) SetNetworkIsolation(spec *drivers.NetworkIsolationSpec) {
m.called = true
test.Eq(m.t, m.expectedSpec, spec)
}
type mockNetworkStatusSetter struct {
t *testing.T
expectedStatus *structs.AllocNetworkStatus
called bool
}
func (m *mockNetworkStatusSetter) SetNetworkStatus(status *structs.AllocNetworkStatus) {
m.called = true
test.Eq(m.t, m.expectedStatus, status)
}
// Test that the prerun and postrun hooks call the setter with the expected
// NetworkIsolationSpec for group bridge network.
func TestNetworkHook_Prerun_Postrun_group(t *testing.T) {
ci.Parallel(t)
alloc := mock.Alloc()
alloc.Job.TaskGroups[0].Networks = []*structs.NetworkResource{
{Mode: "bridge"},
}
spec := &drivers.NetworkIsolationSpec{
Mode: drivers.NetIsolationModeGroup,
Path: "test",
Labels: map[string]string{"abc": "123"},
}
destroyCalled := false
nm := &testutils.MockDriver{
MockNetworkManager: testutils.MockNetworkManager{
CreateNetworkF: func(allocID string, req *drivers.NetworkCreateRequest) (*drivers.NetworkIsolationSpec, bool, error) {
test.Eq(t, alloc.ID, allocID)
return spec, false, nil
},
DestroyNetworkF: func(allocID string, netSpec *drivers.NetworkIsolationSpec) error {
destroyCalled = true
test.Eq(t, alloc.ID, allocID)
test.Eq(t, spec, netSpec)
return nil
},
},
}
setter := &mockNetworkIsolationSetter{
t: t,
expectedSpec: spec,
}
statusSetter := &mockNetworkStatusSetter{
t: t,
expectedStatus: nil,
}
envBuilder := taskenv.NewBuilder(mock.Node(), alloc, nil, alloc.Job.Region)
logger := testlog.HCLogger(t)
hook := newNetworkHook(logger, setter, alloc, nm, &hostNetworkConfigurator{}, statusSetter, envBuilder.Build())
must.NoError(t, hook.Prerun())
must.True(t, setter.called)
must.False(t, destroyCalled)
must.NoError(t, hook.Postrun())
must.True(t, destroyCalled)
}
// Test that prerun and postrun hooks do not expect a NetworkIsolationSpec
func TestNetworkHook_Prerun_Postrun_host(t *testing.T) {
ci.Parallel(t)
alloc := mock.Alloc()
alloc.Job.TaskGroups[0].Networks = []*structs.NetworkResource{
{Mode: "host"},
}
destroyCalled := false
nm := &testutils.MockDriver{
MockNetworkManager: testutils.MockNetworkManager{
CreateNetworkF: func(allocID string, req *drivers.NetworkCreateRequest) (*drivers.NetworkIsolationSpec, bool, error) {
test.Unreachable(t, test.Sprintf("should not call CreateNetwork for host network"))
return nil, false, nil
},
DestroyNetworkF: func(allocID string, netSpec *drivers.NetworkIsolationSpec) error {
destroyCalled = true
test.Nil(t, netSpec)
return nil
},
},
}
setter := &mockNetworkIsolationSetter{
t: t,
expectedSpec: nil,
}
statusSetter := &mockNetworkStatusSetter{
t: t,
expectedStatus: nil,
}
envBuilder := taskenv.NewBuilder(mock.Node(), alloc, nil, alloc.Job.Region)
logger := testlog.HCLogger(t)
hook := newNetworkHook(logger, setter, alloc, nm, &hostNetworkConfigurator{}, statusSetter, envBuilder.Build())
must.NoError(t, hook.Prerun())
must.False(t, setter.called)
must.False(t, destroyCalled)
must.NoError(t, hook.Postrun())
must.True(t, destroyCalled)
}