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feat: add support for extra volume mounts for control plane pods
This allows to mount extra volumes into Talos-managed control plane static pods. With additional options like extra files, any additional content/configuration can be mounted. Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
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200 changes: 200 additions & 0 deletions
200
internal/app/machined/pkg/controllers/config/k8s_control_plane_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,200 @@ | ||
| // This Source Code Form is subject to the terms of the Mozilla Public | ||
| // License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| // file, You can obtain one at http://mozilla.org/MPL/2.0/. | ||
|
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| package config_test | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "log" | ||
| "net/url" | ||
| "reflect" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
|
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| "github.com/stretchr/testify/suite" | ||
| "github.com/talos-systems/go-retry/retry" | ||
| "github.com/talos-systems/os-runtime/pkg/controller/runtime" | ||
| "github.com/talos-systems/os-runtime/pkg/resource" | ||
| "github.com/talos-systems/os-runtime/pkg/state" | ||
| "github.com/talos-systems/os-runtime/pkg/state/impl/inmem" | ||
| "github.com/talos-systems/os-runtime/pkg/state/impl/namespaced" | ||
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| configctrl "github.com/talos-systems/talos/internal/app/machined/pkg/controllers/config" | ||
| "github.com/talos-systems/talos/pkg/machinery/config/types/v1alpha1" | ||
| "github.com/talos-systems/talos/pkg/machinery/config/types/v1alpha1/machine" | ||
| "github.com/talos-systems/talos/pkg/resources/config" | ||
| "github.com/talos-systems/talos/pkg/resources/k8s" | ||
| ) | ||
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| type K8sControlPlaneSuite struct { | ||
| suite.Suite | ||
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| state state.State | ||
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| runtime *runtime.Runtime | ||
| wg sync.WaitGroup | ||
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| ctx context.Context | ||
| ctxCancel context.CancelFunc | ||
| } | ||
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| func (suite *K8sControlPlaneSuite) SetupTest() { | ||
| suite.ctx, suite.ctxCancel = context.WithTimeout(context.Background(), 3*time.Minute) | ||
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| suite.state = state.WrapCore(namespaced.NewState(inmem.Build)) | ||
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| var err error | ||
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| logger := log.New(log.Writer(), "controller-runtime: ", log.Flags()) | ||
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| suite.runtime, err = runtime.NewRuntime(suite.state, logger) | ||
| suite.Require().NoError(err) | ||
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| suite.Require().NoError(suite.runtime.RegisterController(&configctrl.K8sControlPlaneController{})) | ||
|
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| suite.startRuntime() | ||
| } | ||
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| func (suite *K8sControlPlaneSuite) startRuntime() { | ||
| suite.wg.Add(1) | ||
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| go func() { | ||
| defer suite.wg.Done() | ||
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| suite.Assert().NoError(suite.runtime.Run(suite.ctx)) | ||
| }() | ||
| } | ||
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| func (suite *K8sControlPlaneSuite) assertK8sControlPlanes(manifests []string) error { | ||
| resources, err := suite.state.List(suite.ctx, resource.NewMetadata(config.NamespaceName, config.K8sControlPlaneType, "", resource.VersionUndefined)) | ||
| if err != nil { | ||
| return retry.UnexpectedError(err) | ||
| } | ||
|
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| ids := make([]string, 0, len(resources.Items)) | ||
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| for _, res := range resources.Items { | ||
| ids = append(ids, res.Metadata().ID()) | ||
| } | ||
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| if !reflect.DeepEqual(manifests, ids) { | ||
| return retry.ExpectedError(fmt.Errorf("expected %q, got %q", manifests, ids)) | ||
| } | ||
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| return nil | ||
| } | ||
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| func (suite *K8sControlPlaneSuite) TestReconcileDefaults() { | ||
| machineType := config.NewMachineType() | ||
| machineType.SetMachineType(machine.TypeControlPlane) | ||
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| u, err := url.Parse("https://foo:6443") | ||
| suite.Require().NoError(err) | ||
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| cfg := config.NewV1Alpha1(&v1alpha1.Config{ | ||
| ConfigVersion: "v1alpha1", | ||
| MachineConfig: &v1alpha1.MachineConfig{}, | ||
| ClusterConfig: &v1alpha1.ClusterConfig{ | ||
| ControlPlane: &v1alpha1.ControlPlaneConfig{ | ||
| Endpoint: &v1alpha1.Endpoint{ | ||
| URL: u, | ||
| }, | ||
| }, | ||
| }, | ||
| }) | ||
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| suite.Require().NoError(suite.state.Create(suite.ctx, machineType)) | ||
| suite.Require().NoError(suite.state.Create(suite.ctx, cfg)) | ||
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| suite.Assert().NoError(retry.Constant(10*time.Second, retry.WithUnits(100*time.Millisecond)).Retry( | ||
| func() error { | ||
| return suite.assertK8sControlPlanes( | ||
| []string{ | ||
| config.K8sExtraManifestsID, | ||
| config.K8sControlPlaneAPIServerID, | ||
| config.K8sControlPlaneControllerManagerID, | ||
| config.K8sControlPlaneSchedulerID, | ||
| config.K8sManifestsID, | ||
| }, | ||
| ) | ||
| }, | ||
| )) | ||
| } | ||
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| func (suite *K8sControlPlaneSuite) TestReconcileExtraVolumes() { | ||
| machineType := config.NewMachineType() | ||
| machineType.SetMachineType(machine.TypeControlPlane) | ||
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| u, err := url.Parse("https://foo:6443") | ||
| suite.Require().NoError(err) | ||
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| cfg := config.NewV1Alpha1(&v1alpha1.Config{ | ||
| ConfigVersion: "v1alpha1", | ||
| MachineConfig: &v1alpha1.MachineConfig{}, | ||
| ClusterConfig: &v1alpha1.ClusterConfig{ | ||
| ControlPlane: &v1alpha1.ControlPlaneConfig{ | ||
| Endpoint: &v1alpha1.Endpoint{ | ||
| URL: u, | ||
| }, | ||
| }, | ||
| APIServerConfig: &v1alpha1.APIServerConfig{ | ||
| ExtraVolumesConfig: []v1alpha1.VolumeMountConfig{ | ||
| { | ||
| VolumeHostPath: "/var/lib", | ||
| VolumeMountPath: "/var/foo", | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| }) | ||
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| suite.Require().NoError(suite.state.Create(suite.ctx, machineType)) | ||
| suite.Require().NoError(suite.state.Create(suite.ctx, cfg)) | ||
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| suite.Assert().NoError(retry.Constant(10*time.Second, retry.WithUnits(100*time.Millisecond)).Retry( | ||
| func() error { | ||
| return suite.assertK8sControlPlanes( | ||
| []string{ | ||
| config.K8sExtraManifestsID, | ||
| config.K8sControlPlaneAPIServerID, | ||
| config.K8sControlPlaneControllerManagerID, | ||
| config.K8sControlPlaneSchedulerID, | ||
| config.K8sManifestsID, | ||
| }, | ||
| ) | ||
| }, | ||
| )) | ||
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| r, err := suite.state.Get(suite.ctx, config.NewK8sControlPlaneAPIServer().Metadata()) | ||
| suite.Require().NoError(err) | ||
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| apiServerCfg := r.(*config.K8sControlPlane).APIServer() | ||
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| suite.Assert().Equal([]config.K8sExtraVolume{ | ||
| { | ||
| Name: "-var-foo", | ||
| HostPath: "/var/lib", | ||
| MountPath: "/var/foo", | ||
| ReadOnly: false, | ||
| }, | ||
| }, apiServerCfg.ExtraVolumes) | ||
| } | ||
|
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| func (suite *K8sControlPlaneSuite) TearDownTest() { | ||
| suite.T().Log("tear down") | ||
|
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| suite.ctxCancel() | ||
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| suite.wg.Wait() | ||
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| // trigger updates in resources to stop watch loops | ||
| suite.Assert().NoError(suite.state.Create(context.Background(), k8s.NewSecretsStatus(k8s.ControlPlaneNamespaceName, "-"))) | ||
| suite.Assert().NoError(suite.state.Destroy(context.Background(), config.NewK8sControlPlaneAPIServer().Metadata())) | ||
| } | ||
|
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| func TestK8sControlPlaneSuite(t *testing.T) { | ||
| suite.Run(t, new(K8sControlPlaneSuite)) | ||
| } |
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