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mapping_resolver.go
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/
mapping_resolver.go
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/*
* 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
*
* http://www.apache.org/licenses/LICENSE-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 OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package endpoints
import (
"fmt"
"strings"
"sync"
)
const keyFormatter = "%s::%s"
type EndpointMapping struct {
sync.RWMutex
endpoint map[string]string
}
var endpointMapping = EndpointMapping{endpoint: make(map[string]string)}
// AddEndpointMapping use productId and regionId as key to store the endpoint into inner map
// when using the same productId and regionId as key, the endpoint will be covered.
func AddEndpointMapping(regionId, productId, endpoint string) (err error) {
key := fmt.Sprintf(keyFormatter, strings.ToLower(regionId), strings.ToLower(productId))
endpointMapping.Lock()
endpointMapping.endpoint[key] = endpoint
endpointMapping.Unlock()
return nil
}
// GetEndpointFromMap use Product and RegionId as key to find endpoint from inner map
func GetEndpointFromMap(regionId, productId string) string {
key := fmt.Sprintf(keyFormatter, strings.ToLower(regionId), strings.ToLower(productId))
endpointMapping.RLock()
endpoint := endpointMapping.endpoint[key]
endpointMapping.RUnlock()
return endpoint
}