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tenantid.go
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tenantid.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2019 Tencent. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the “License”); you may not use
* this file except in compliance with the License. You may obtain a copy of the
* License at
*
* https://opensource.org/licenses/Apache-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an “AS IS” BASIS, WITHOUT
* WARRANTIES OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package filter
import (
"context"
"net/http"
genericrequest "k8s.io/apiserver/pkg/endpoints/request"
)
// HeaderTenantID is the header name of tenantID.
const HeaderTenantID = "X-TKE-TenantID"
const tenantIDContextKey = "tenantID"
// WithTenantID adds the unique tenantID to the context of the http access
// chain.
func WithTenantID(handler http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
requestID := req.Header.Get(HeaderTenantID)
// add request id to context
req = req.WithContext(genericrequest.WithValue(req.Context(), tenantIDContextKey, requestID))
w.Header().Set(HeaderTenantID, requestID)
handler.ServeHTTP(w, req)
})
}
// TenantIDFrom get the tenant id from request context.
func TenantIDFrom(ctx context.Context) string {
b, ok := ctx.Value(tenantIDContextKey).(string)
if !ok {
return ""
}
return b
}