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draft: support serverless leaf cluster
Signed-off-by: OrangeBao <[email protected]>
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80 changes: 80 additions & 0 deletions
80
pkg/clustertree/cluster-manager/controllers/pod/leaf-pod/k8s/syncer.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| package k8s | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "time" | ||
|
|
||
| "k8s.io/apimachinery/pkg/api/errors" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/client-go/kubernetes" | ||
| "k8s.io/klog" | ||
|
|
||
| "github.com/kosmos.io/kosmos/pkg/clustertree/cluster-manager/runtime" | ||
| "github.com/kosmos.io/kosmos/pkg/utils/podutils" | ||
| ) | ||
|
|
||
| type leafPodK8sSyncer struct { | ||
| LeafClient *kubernetes.Clientset | ||
| RootClient kubernetes.Interface | ||
| } | ||
|
|
||
| const ( | ||
| LeafPodControllerName = "leaf-pod-controller" | ||
| LeafPodRequeueTime = 10 * time.Second | ||
| ) | ||
|
|
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| func DeletePodInRootCluster(ctx context.Context, rootnamespacedname runtime.NamespacedName, rootClient kubernetes.Interface) error { | ||
| rPod, err := rootClient.CoreV1().Pods(rootnamespacedname.Namespace).Get(ctx, rootnamespacedname.Name, metav1.GetOptions{}) | ||
| if err != nil { | ||
| if errors.IsNotFound(err) { | ||
| return nil | ||
| } else { | ||
| return err | ||
| } | ||
| } | ||
|
|
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| rPodCopy := rPod.DeepCopy() | ||
|
|
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| if err := rootClient.CoreV1().Pods(rPodCopy.Namespace).Delete(ctx, rPodCopy.Name, metav1.DeleteOptions{ | ||
| GracePeriodSeconds: new(int64), | ||
| }); err != nil { | ||
| if !errors.IsNotFound(err) { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
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| func (s *leafPodK8sSyncer) Reconcile(ctx context.Context, key runtime.NamespacedName) (runtime.Result, error) { | ||
| pod, err := s.LeafClient.CoreV1().Pods(key.Namespace).Get(ctx, key.Name, metav1.GetOptions{}) | ||
| if err != nil { | ||
| if errors.IsNotFound(err) { | ||
| // delete pod in root | ||
| if err := DeletePodInRootCluster(ctx, key, s.RootClient); err != nil { | ||
| return runtime.Result{RequeueAfter: LeafPodRequeueTime}, nil | ||
| } | ||
| return runtime.Result{}, nil | ||
| } | ||
|
|
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| klog.Errorf("get %s error: %v", key, err) | ||
| return runtime.Result{RequeueAfter: LeafPodRequeueTime}, nil | ||
| } | ||
|
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| podCopy := pod.DeepCopy() | ||
|
|
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| // if ShouldSkipStatusUpdate(podCopy) { | ||
| // return reconcile.Result{}, nil | ||
| // } | ||
|
|
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| if podutils.IsKosmosPod(podCopy) { | ||
| podutils.FitObjectMeta(&podCopy.ObjectMeta) | ||
| podCopy.ResourceVersion = "0" | ||
| if _, err := s.RootClient.CoreV1().Pods(podCopy.Namespace).UpdateStatus(ctx, podCopy, metav1.UpdateOptions{}); err != nil && !errors.IsNotFound(err) { | ||
| klog.V(4).Info(fmt.Sprintf("error while updating pod status in kubernetes: %s", err)) | ||
| return runtime.Result{RequeueAfter: LeafPodRequeueTime}, nil | ||
| } | ||
| } | ||
| return runtime.Result{}, nil | ||
| } |
102 changes: 102 additions & 0 deletions
102
pkg/clustertree/cluster-manager/controllers/pod/leaf-pod/k8s/workerqueue.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| package k8s | ||
|
|
||
| import ( | ||
| "time" | ||
|
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| "github.com/google/go-cmp/cmp" | ||
| corev1 "k8s.io/api/core/v1" | ||
| kubeinformers "k8s.io/client-go/informers" | ||
| "k8s.io/client-go/kubernetes" | ||
| "k8s.io/client-go/tools/cache" | ||
| "k8s.io/client-go/util/workqueue" | ||
| "k8s.io/klog" | ||
|
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| leafpodsyncers "github.com/kosmos.io/kosmos/pkg/clustertree/cluster-manager/controllers/pod/leaf-pod" | ||
| "github.com/kosmos.io/kosmos/pkg/clustertree/cluster-manager/runtime" | ||
| "github.com/kosmos.io/kosmos/pkg/utils" | ||
| "github.com/kosmos.io/kosmos/pkg/utils/podutils" | ||
| ) | ||
|
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| func NewLeafPodK8wWorkerQueue(opts *leafpodsyncers.LeafPodWorkerQueueOption) runtime.Controller { | ||
| // create the workqueue | ||
| queue := workqueue.NewRateLimitingQueue(workqueue.DefaultControllerRateLimiter()) | ||
|
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| client, err := kubernetes.NewForConfig(opts.Config) | ||
| if err != nil { | ||
| klog.Fatal(err) | ||
| } | ||
|
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| // Create a shared informer factory for Kubernetes pods in the current namespace (if specified) and scheduled to the current node. | ||
| podInformerFactory := kubeinformers.NewSharedInformerFactoryWithOptions( | ||
| client, | ||
| 5*time.Second, | ||
| ) | ||
|
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| podInformer := podInformerFactory.Core().V1().Pods() | ||
|
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| eventFilter := func(obj interface{}) (bool, *corev1.Pod) { | ||
| p, ok := obj.(*corev1.Pod) | ||
|
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| if !ok { | ||
| klog.Fatal("convert pod error") | ||
| return false, p | ||
| } | ||
|
|
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| if len(p.Spec.NodeName) == 0 { | ||
| return false, p | ||
| } | ||
|
|
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| if p.GetNamespace() == utils.ReservedNS { | ||
| return false, p | ||
| } | ||
|
|
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| return podutils.IsKosmosPod(p), p | ||
| } | ||
|
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| _, err = podInformer.Informer().AddEventHandler(cache.ResourceEventHandlerFuncs{ | ||
| AddFunc: func(obj interface{}) { | ||
| if flag, pod := eventFilter(obj); flag { | ||
| queue.Add(runtime.NamespacedName{ | ||
| Name: pod.Name, | ||
| Namespace: pod.Namespace, | ||
| }) | ||
| } | ||
| }, | ||
| UpdateFunc: func(old interface{}, new interface{}) { | ||
| if flag, pod := eventFilter(old); flag { | ||
| if !cmp.Equal(old.(*corev1.Pod).Status, new.(*corev1.Pod).Status) { | ||
| queue.Add(runtime.NamespacedName{ | ||
| Name: pod.Name, | ||
| Namespace: pod.Namespace, | ||
| }) | ||
| } | ||
| } | ||
| }, | ||
| DeleteFunc: func(obj interface{}) { | ||
| if flag, pod := eventFilter(obj); flag { | ||
| queue.Add(runtime.NamespacedName{ | ||
| Name: pod.Name, | ||
| Namespace: pod.Namespace, | ||
| }) | ||
| } | ||
| }, | ||
| }) | ||
|
|
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| if err != nil { | ||
| klog.Fatalf("add event handler error: %s", err) | ||
| panic(err) | ||
| } | ||
|
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| leafClient, err := kubernetes.NewForConfig(opts.Config) | ||
| if err != nil { | ||
| klog.Fatalf("could not build clientset for cluster %s", err) | ||
| panic(err) | ||
| } | ||
|
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| leafK8sSyncer := &leafPodK8sSyncer{ | ||
| LeafClient: leafClient, | ||
| RootClient: opts.RootClient, | ||
| } | ||
|
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| return runtime.NewK8sWorkerQueue(queue, podInformer.Informer(), leafK8sSyncer) | ||
| } |
30 changes: 30 additions & 0 deletions
30
pkg/clustertree/cluster-manager/controllers/pod/leaf-pod/serverless/model/ECIContainer.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| package model | ||
|
|
||
| import ( | ||
| corev1 "k8s.io/api/core/v1" | ||
| ) | ||
|
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| type ECIContainer struct { | ||
| Name string `json:"name,omitempty"` | ||
| Region string `json:"region,omitempty"` | ||
| Cpu float64 `json:"cpu,omitempty"` | ||
| Memory float64 `json:"memory,omitempty"` | ||
| Quantity int32 `json:"quantity,omitempty"` | ||
| Volumes []Volume `json:"volumes,omitempty"` | ||
| VpcId string `json:"vpcId,omitempty"` | ||
| NetworkId string `json:"networkId,omitempty"` | ||
| SecurityGroupIds []string `json:"securityGroupIds,omitempty"` | ||
| IpId string `json:"ipId,omitempty"` | ||
| IpType string `json:"ipType,omitempty"` | ||
| ChargeMode string `json:"chargeMode,omitempty"` | ||
| BandwidthSize int32 `json:"bandwidthSize,omitempty"` | ||
| Ipv4Bandwidth bool `json:"ipv4Bandwidth,omitempty"` | ||
| Ipv6Bandwidth bool `json:"ipv6Bandwidth,omitempty"` | ||
| Pod corev1.Pod `json:"pod,omitempty"` | ||
| EciId string `json:"eciId,omitempty"` | ||
| } | ||
|
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| type Volume struct { | ||
| ResourceType string `json:"resourceType,omitempty"` | ||
| Size int32 `json:"size,omitempty"` | ||
| } |
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