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baremetal: monitor bootstrap process
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| # See the OWNERS docs: https://git.k8s.io/community/contributors/guide/owners.md | ||
| # This file just uses aliases defined in OWNERS_ALIASES. | ||
|
|
||
| approvers: | ||
| - baremetal-approvers | ||
| reviewers: | ||
| - baremetal-reviewers |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| package baremetal | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
|
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| baremetalhost "github.com/metal3-io/baremetal-operator/apis/metal3.io/v1alpha1" | ||
| "github.com/sirupsen/logrus" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/watch" | ||
| "k8s.io/client-go/dynamic" | ||
| "k8s.io/client-go/rest" | ||
| clientwatch "k8s.io/client-go/tools/watch" | ||
| ) | ||
|
|
||
| // WaitForBaremetalBootstrapControlPlane will watch baremetalhost resources on the bootstrap | ||
| // and wait for the control plane to finish provisioning. | ||
| func WaitForBaremetalBootstrapControlPlane(ctx context.Context, config *rest.Config) error { | ||
| client, err := dynamic.NewForConfig(config) | ||
| if err != nil { | ||
| return fmt.Errorf("creating a baremetal client: %w", err) | ||
| } | ||
|
|
||
| r := client.Resource(baremetalhost.GroupVersion.WithResource("baremetalhosts")).Namespace("openshift-machine-api") | ||
| blw := BmhCacheListerWatcher{ | ||
| Resource: r, | ||
| RetryWatch: true, | ||
| } | ||
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| logrus.Infof(" Waiting for baremetal control plane to provision...") | ||
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| masters := map[string]baremetalhost.BareMetalHost{} | ||
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| _, err = clientwatch.UntilWithSync( | ||
| ctx, | ||
| blw, | ||
| &unstructured.Unstructured{}, | ||
| nil, | ||
| func(event watch.Event) (bool, error) { | ||
| switch event.Type { | ||
| case watch.Added, watch.Modified: | ||
| default: | ||
| return false, nil | ||
| } | ||
|
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| bmh := &baremetalhost.BareMetalHost{} | ||
|
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| unstr, err := runtime.DefaultUnstructuredConverter.ToUnstructured(event.Object) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
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| if err := runtime.DefaultUnstructuredConverter.FromUnstructured(unstr, bmh); err != nil { | ||
| logrus.Error("failed to convert to bmh", err) | ||
| return false, err | ||
| } | ||
|
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| role, found := bmh.Labels["installer.openshift.io/role"] | ||
|
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| if found && role == "control-plane" { | ||
| prev, found := masters[bmh.Name] | ||
|
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| if !found || bmh.Status.Provisioning.State != prev.Status.Provisioning.State { | ||
| if bmh.Status.Provisioning.State == baremetalhost.StateNone { | ||
| // StateNone is an empty string | ||
| logrus.Infof(" baremetalhost: %s: uninitialized", bmh.Name) | ||
| } else { | ||
| logrus.Infof(" baremetalhost: %s: %s", bmh.Name, bmh.Status.Provisioning.State) | ||
| } | ||
|
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| if bmh.Status.OperationalStatus == baremetalhost.OperationalStatusError { | ||
| logrus.Warnf(" baremetalhost: %s: %s: %s", bmh.Name, bmh.Status.ErrorType, bmh.Status.ErrorMessage) | ||
| } | ||
| } | ||
|
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| masters[bmh.Name] = *bmh | ||
| } | ||
|
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| if len(masters) == 0 { | ||
| return false, nil | ||
| } | ||
|
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| for _, master := range masters { | ||
| if master.Status.Provisioning.State != baremetalhost.StateProvisioned { | ||
| return false, nil | ||
| } | ||
| } | ||
|
|
||
| return true, nil | ||
| }, | ||
| ) | ||
|
|
||
| return err | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| package baremetal | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
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| "github.com/sirupsen/logrus" | ||
| apierrors "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/watch" | ||
| "k8s.io/client-go/dynamic" | ||
| ) | ||
|
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| // BmhCacheListerWatcher is an object that wraps the listing and wrapping | ||
| // functionality for baremetal host resources. | ||
| type BmhCacheListerWatcher struct { | ||
| Resource dynamic.ResourceInterface | ||
| RetryWatch bool | ||
| } | ||
|
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| // List returns a list of baremetal hosts as dynamic objects. | ||
| func (bc BmhCacheListerWatcher) List(options metav1.ListOptions) (runtime.Object, error) { | ||
| list, err := bc.Resource.List(context.TODO(), options) | ||
| if apierrors.IsNotFound(err) { | ||
| logrus.Debug(" baremetalhost resource not yet available, will retry") | ||
| return &unstructured.UnstructuredList{}, nil | ||
| } | ||
|
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| return list, err | ||
| } | ||
|
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| // Watch starts a watch over baremetal hosts. | ||
| func (bc BmhCacheListerWatcher) Watch(options metav1.ListOptions) (watch.Interface, error) { | ||
| w, err := bc.Resource.Watch(context.TODO(), options) | ||
| if apierrors.IsNotFound(err) && bc.RetryWatch { | ||
| logrus.Debug(" baremetalhost resource not yet available, will retry") | ||
| // When the Resource isn't installed yet, we can encourage the caller to keep | ||
| // retrying by supplying an empty watcher. In the case of | ||
| // UntilWithSync, the caller also checks how long it takes to create the | ||
| // watch. To avoid errors, we introduce an artificial delay of one | ||
| // second. | ||
| w := watch.NewEmptyWatch() | ||
| time.Sleep(time.Second) | ||
| return w, nil | ||
| } | ||
| return w, err | ||
| } |