61 lines
1.8 KiB
Go
61 lines
1.8 KiB
Go
package storage
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import (
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"context"
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"fmt"
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"net/http"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apiserver/pkg/registry/rest"
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"k8s.io/client-go/kubernetes"
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clusterapis "github.com/karmada-io/karmada/pkg/apis/cluster"
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"github.com/karmada-io/karmada/pkg/util/proxy"
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)
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// ProxyREST implements the proxy subresource for a Cluster.
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type ProxyREST struct {
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kubeClient kubernetes.Interface
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clusterGetter func(ctx context.Context, name string) (*clusterapis.Cluster, error)
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}
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// Implement Connecter
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var _ = rest.Connecter(&ProxyREST{})
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var proxyMethods = []string{"GET", "POST", "PUT", "PATCH", "DELETE", "HEAD", "OPTIONS"}
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// New returns an empty cluster proxy subresource.
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func (r *ProxyREST) New() runtime.Object {
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return &clusterapis.ClusterProxyOptions{}
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}
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// ConnectMethods returns the list of HTTP methods handled by Connect.
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func (r *ProxyREST) ConnectMethods() []string {
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return proxyMethods
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}
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// NewConnectOptions returns versioned resource that represents proxy parameters.
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func (r *ProxyREST) NewConnectOptions() (runtime.Object, bool, string) {
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return &clusterapis.ClusterProxyOptions{}, true, "path"
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}
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// Connect returns a handler for the cluster proxy.
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func (r *ProxyREST) Connect(ctx context.Context, id string, options runtime.Object, responder rest.Responder) (http.Handler, error) {
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proxyOpts, ok := options.(*clusterapis.ClusterProxyOptions)
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if !ok {
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return nil, fmt.Errorf("invalid options object: %#v", options)
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}
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cluster, err := r.clusterGetter(ctx, id)
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if err != nil {
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return nil, err
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}
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secretGetter := func(ctx context.Context, namespace string, name string) (*corev1.Secret, error) {
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return r.kubeClient.CoreV1().Secrets(namespace).Get(ctx, name, metav1.GetOptions{})
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}
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return proxy.ConnectCluster(ctx, cluster, proxyOpts.Path, secretGetter, responder)
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}
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