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resolver.go
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resolver.go
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// Copyright 2020 Authors of Cilium
//
// 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 (
operatorOption "github.com/cilium/cilium/operator/option"
"github.com/cilium/cilium/pkg/logging"
"github.com/cilium/cilium/pkg/logging/logfields"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/aws/aws-sdk-go-v2/aws/endpoints"
)
var (
log = logging.DefaultLogger.WithField(logfields.LogSubsys, "aws-endpoints")
defaultResolver = endpoints.NewDefaultResolver()
)
func Resolver(service, region string) (aws.Endpoint, error) {
if ep := operatorOption.Config.EC2APIEndpoint; len(ep) > 0 && service == "ec2" {
log.Debugf("Using custom API endpoint %s for service %s in region %s", ep, service, region)
// See https://docs.aws.amazon.com/sdk-for-go/v2/api/aws/endpoints/#hdr-Using_Custom_Endpoints
return aws.Endpoint{
URL: "https://" + ep,
}, nil
}
return defaultResolver.ResolveEndpoint(service, region)
}