This commit is contained in:
wangying 2023-05-31 15:50:11 +08:00
parent 66598607c9
commit 1eba95af78
5 changed files with 64 additions and 60 deletions

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@ -15,8 +15,8 @@ limitations under the License.
*/
// Package v1alpha1 contains API Schema definitions for the game.kruise.io v1alpha1 API group
//+kubebuilder:object:generate=true
//+groupName=game.kruise.io
// +kubebuilder:object:generate=true
// +groupName=game.kruise.io
package v1alpha1
import (

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@ -36,14 +36,14 @@ var localSchemeBuilder = runtime.SchemeBuilder{
// AddToScheme adds all types of this clientset into the given scheme. This allows composition
// of clientsets, like in:
//
// import (
// "k8s.io/client-go/kubernetes"
// clientsetscheme "k8s.io/client-go/kubernetes/scheme"
// aggregatorclientsetscheme "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset/scheme"
// )
// import (
// "k8s.io/client-go/kubernetes"
// clientsetscheme "k8s.io/client-go/kubernetes/scheme"
// aggregatorclientsetscheme "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset/scheme"
// )
//
// kclientset, _ := kubernetes.NewForConfig(c)
// _ = aggregatorclientsetscheme.AddToScheme(clientsetscheme.Scheme)
// kclientset, _ := kubernetes.NewForConfig(c)
// _ = aggregatorclientsetscheme.AddToScheme(clientsetscheme.Scheme)
//
// After this, RawExtensions in Kubernetes types will serialize kube-aggregator types
// correctly.

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@ -36,14 +36,14 @@ var localSchemeBuilder = runtime.SchemeBuilder{
// AddToScheme adds all types of this clientset into the given scheme. This allows composition
// of clientsets, like in:
//
// import (
// "k8s.io/client-go/kubernetes"
// clientsetscheme "k8s.io/client-go/kubernetes/scheme"
// aggregatorclientsetscheme "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset/scheme"
// )
// import (
// "k8s.io/client-go/kubernetes"
// clientsetscheme "k8s.io/client-go/kubernetes/scheme"
// aggregatorclientsetscheme "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset/scheme"
// )
//
// kclientset, _ := kubernetes.NewForConfig(c)
// _ = aggregatorclientsetscheme.AddToScheme(clientsetscheme.Scheme)
// kclientset, _ := kubernetes.NewForConfig(c)
// _ = aggregatorclientsetscheme.AddToScheme(clientsetscheme.Scheme)
//
// After this, RawExtensions in Kubernetes types will serialize kube-aggregator types
// correctly.

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@ -17,23 +17,23 @@ func (e *ExternalScaler) mustEmbedUnimplementedExternalScalerServer() {
}
func (e *ExternalScaler) IsActive(ctx context.Context, scaledObjectRef *ScaledObjectRef) (*IsActiveResponse, error) {
name := scaledObjectRef.GetName()
ns := scaledObjectRef.GetNamespace()
gss := &gamekruiseiov1alpha1.GameServerSet{}
err := e.client.Get(ctx, types.NamespacedName{Namespace: ns, Name: name}, gss)
if err != nil {
klog.Error(err)
return nil, err
}
currentReplicas := gss.Status.CurrentReplicas
numWaitToBeDeleted := gss.Status.WaitToBeDeletedReplicas
if numWaitToBeDeleted == nil {
return nil, fmt.Errorf("GameServerSet %s/%s has not inited", ns, name)
}
desireReplicas := currentReplicas - *numWaitToBeDeleted
return &IsActiveResponse{
Result: desireReplicas > 0,
}, nil
name := scaledObjectRef.GetName()
ns := scaledObjectRef.GetNamespace()
gss := &gamekruiseiov1alpha1.GameServerSet{}
err := e.client.Get(ctx, types.NamespacedName{Namespace: ns, Name: name}, gss)
if err != nil {
klog.Error(err)
return nil, err
}
currentReplicas := gss.Status.CurrentReplicas
numWaitToBeDeleted := gss.Status.WaitToBeDeletedReplicas
if numWaitToBeDeleted == nil {
return nil, fmt.Errorf("GameServerSet %s/%s has not inited", ns, name)
}
desireReplicas := currentReplicas - *numWaitToBeDeleted
return &IsActiveResponse{
Result: desireReplicas > 0,
}, nil
}
func (e *ExternalScaler) StreamIsActive(scaledObject *ScaledObjectRef, epsServer ExternalScaler_StreamIsActiveServer) error {

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@ -42,9 +42,9 @@ const (
//
// Note:
//
// 1. Writer reserves the set of pathnames starting with `..`.
// 2. Writer offers no concurrency guarantees and must be synchronized
// by the caller.
// 1. Writer reserves the set of pathnames starting with `..`.
// 2. Writer offers no concurrency guarantees and must be synchronized
// by the caller.
//
// The visible files in this volume are symlinks to files in the writer's data
// directory. Actual files are stored in a hidden timestamped directory which
@ -86,33 +86,37 @@ const (
//
// The Write algorithm is:
//
// 1. The payload is validated; if the payload is invalid, the function returns
// 2.  The current timestamped directory is detected by reading the data directory
// symlink
// 3. The old version of the volume is walked to determine whether any
// portion of the payload was deleted and is still present on disk.
// 4. The data in the current timestamped directory is compared to the projected
// data to determine if an update is required.
// 5.  A new timestamped dir is created
// 6. The payload is written to the new timestamped directory
// 7.  Symlinks and directory for new user-visible files are created (if needed).
// 1. The payload is validated; if the payload is invalid, the function returns
// 2.  The current timestamped directory is detected by reading the data directory
// symlink
//
// For example, consider the files:
// <target-dir>/podName
// <target-dir>/user/labels
// <target-dir>/k8s/annotations
// 3. The old version of the volume is walked to determine whether any
// portion of the payload was deleted and is still present on disk.
//
// The user visible files are symbolic links into the internal data directory:
// <target-dir>/podName -> ..data/podName
// <target-dir>/usr -> ..data/usr
// <target-dir>/k8s -> ..data/k8s
// 4. The data in the current timestamped directory is compared to the projected
// data to determine if an update is required.
// 5.  A new timestamped dir is created
//
// 6. The payload is written to the new timestamped directory
// 7.  Symlinks and directory for new user-visible files are created (if needed).
//
// For example, consider the files:
// <target-dir>/podName
// <target-dir>/user/labels
// <target-dir>/k8s/annotations
//
// The user visible files are symbolic links into the internal data directory:
// <target-dir>/podName -> ..data/podName
// <target-dir>/usr -> ..data/usr
// <target-dir>/k8s -> ..data/k8s
//
// The data directory itself is a link to a timestamped directory with
// the real data:
// <target-dir>/..data -> ..2016_02_01_15_04_05.12345678/
// 8.  A symlink to the new timestamped directory ..data_tmp is created that will
// become the new data directory
// 9.  The new data directory symlink is renamed to the data directory; rename is atomic
//
// The data directory itself is a link to a timestamped directory with
// the real data:
// <target-dir>/..data -> ..2016_02_01_15_04_05.12345678/
// 8.  A symlink to the new timestamped directory ..data_tmp is created that will
// become the new data directory
// 9.  The new data directory symlink is renamed to the data directory; rename is atomic
// 10. Old paths are removed from the user-visible portion of the target directory
// 11.  The previous timestamped directory is removed, if it exists
func (w *Writer) Write(payload map[string]FileProjection) error {