open-nomad/client/allocrunner/network_hook_test.go
2020-10-12 13:43:04 -04:00

102 lines
2.9 KiB
Go

package allocrunner
import (
"testing"
"github.com/hashicorp/nomad/client/allocrunner/interfaces"
"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/stretchr/testify/require"
)
// 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
require.Exactly(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
require.Exactly(m.t, m.expectedStatus, status)
}
// Test that the prerun and postrun hooks call the setter with the expected spec when
// the network mode is not host
func TestNetworkHook_Prerun_Postrun(t *testing.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) (*drivers.NetworkIsolationSpec, bool, error) {
require.Equal(t, alloc.ID, allocID)
return spec, false, nil
},
DestroyNetworkF: func(allocID string, netSpec *drivers.NetworkIsolationSpec) error {
destroyCalled = true
require.Equal(t, alloc.ID, allocID)
require.Exactly(t, spec, netSpec)
return nil
},
},
}
setter := &mockNetworkIsolationSetter{
t: t,
expectedSpec: spec,
}
statusSetter := &mockNetworkStatusSetter{
t: t,
expectedStatus: nil,
}
require := require.New(t)
logger := testlog.HCLogger(t)
hook := newNetworkHook(logger, setter, alloc, nm, &hostNetworkConfigurator{}, statusSetter)
require.NoError(hook.Prerun())
require.True(setter.called)
require.False(destroyCalled)
require.NoError(hook.Postrun())
require.True(destroyCalled)
// reset and use host network mode
setter.called = false
destroyCalled = false
alloc.Job.TaskGroups[0].Networks[0].Mode = "host"
hook = newNetworkHook(logger, setter, alloc, nm, &hostNetworkConfigurator{}, statusSetter)
require.NoError(hook.Prerun())
require.False(setter.called)
require.False(destroyCalled)
require.NoError(hook.Postrun())
require.False(destroyCalled)
}