-
Notifications
You must be signed in to change notification settings - Fork 516
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
feat: implement static pods via machine configuration
Fixes #4727 On worker nodes, static pods are injected, but status can't be monitored by Talos. On control plane nodes full status is available via `StaticPodStatus`. Pod definition is left as `Unstructured` in the machine configuration, and no specific validation is performed to avoid pulling in Kubernetes libraries into Talos machinery package. Signed-off-by: Andrey Smirnov <[email protected]>
- Loading branch information
Showing
22 changed files
with
804 additions
and
139 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
131 changes: 131 additions & 0 deletions
131
internal/app/machined/pkg/controllers/k8s/static_pod_config.go
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| // 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/. | ||
|
|
||
| package k8s | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
|
||
| "github.com/AlekSi/pointer" | ||
| "github.com/cosi-project/runtime/pkg/controller" | ||
| "github.com/cosi-project/runtime/pkg/resource" | ||
| "github.com/cosi-project/runtime/pkg/state" | ||
| "go.uber.org/zap" | ||
| corev1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
|
|
||
| "github.com/talos-systems/talos/pkg/machinery/resources/config" | ||
| "github.com/talos-systems/talos/pkg/machinery/resources/k8s" | ||
| ) | ||
|
|
||
| // StaticPodConfigController manages k8s.StaticPod based on machine configuration. | ||
| type StaticPodConfigController struct{} | ||
|
|
||
| // Name implements controller.Controller interface. | ||
| func (ctrl *StaticPodConfigController) Name() string { | ||
| return "k8s.StaticPodConfigController" | ||
| } | ||
|
|
||
| // Inputs implements controller.Controller interface. | ||
| func (ctrl *StaticPodConfigController) Inputs() []controller.Input { | ||
| return []controller.Input{ | ||
| { | ||
| Namespace: config.NamespaceName, | ||
| Type: config.MachineConfigType, | ||
| ID: pointer.ToString(config.V1Alpha1ID), | ||
| Kind: controller.InputWeak, | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| // Outputs implements controller.Controller interface. | ||
| func (ctrl *StaticPodConfigController) Outputs() []controller.Output { | ||
| return []controller.Output{ | ||
| { | ||
| Type: k8s.StaticPodType, | ||
| Kind: controller.OutputShared, | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| // Run implements controller.Controller interface. | ||
| // | ||
| //nolint:gocyclo | ||
| func (ctrl *StaticPodConfigController) Run(ctx context.Context, r controller.Runtime, logger *zap.Logger) error { | ||
| for { | ||
| select { | ||
| case <-ctx.Done(): | ||
| return nil | ||
| case <-r.EventCh(): | ||
| } | ||
|
|
||
| cfg, err := r.Get(ctx, resource.NewMetadata(config.NamespaceName, config.MachineConfigType, config.V1Alpha1ID, resource.VersionUndefined)) | ||
| if err != nil { | ||
| if !state.IsNotFoundError(err) { | ||
| return fmt.Errorf("error getting config: %w", err) | ||
| } | ||
| } | ||
|
|
||
| touchedIDs := map[string]struct{}{} | ||
|
|
||
| if cfg != nil { | ||
| cfgProvider := cfg.(*config.MachineConfig).Config() | ||
|
|
||
| for _, pod := range cfgProvider.Machine().Pods() { | ||
| name, ok, err := unstructured.NestedString(pod, "metadata", "name") | ||
| if err != nil { | ||
| return fmt.Errorf("error getting name from static pod: %w", err) | ||
| } | ||
|
|
||
| if !ok { | ||
| return fmt.Errorf("name is missing in static pod metadata") | ||
| } | ||
|
|
||
| namespace, ok, err := unstructured.NestedString(pod, "metadata", "namespace") | ||
| if err != nil { | ||
| return fmt.Errorf("error getting namespace from static pod: %w", err) | ||
| } | ||
|
|
||
| if !ok { | ||
| namespace = corev1.NamespaceDefault | ||
| } | ||
|
|
||
| id := fmt.Sprintf("%s-%s", namespace, name) | ||
|
|
||
| if err = r.Modify(ctx, k8s.NewStaticPod(k8s.NamespaceName, id), func(r resource.Resource) error { | ||
| r.(*k8s.StaticPod).TypedSpec().Pod = pod | ||
|
|
||
| return nil | ||
| }); err != nil { | ||
| return fmt.Errorf("error modifying resource: %w", err) | ||
| } | ||
|
|
||
| touchedIDs[id] = struct{}{} | ||
| } | ||
| } | ||
|
|
||
| // clean up static pods which haven't been touched | ||
| { | ||
| list, err := r.List(ctx, resource.NewMetadata(k8s.NamespaceName, k8s.StaticPodType, "", resource.VersionUndefined)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| for _, res := range list.Items { | ||
| if _, ok := touchedIDs[res.Metadata().ID()]; ok { | ||
| continue | ||
| } | ||
|
|
||
| if res.Metadata().Owner() != ctrl.Name() { | ||
| continue | ||
| } | ||
|
|
||
| if err = r.Destroy(ctx, res.Metadata()); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
Oops, something went wrong.