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configbuilder.go
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/
configbuilder.go
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/*
*
* Copyright 2021 gRPC authors.
*
* 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 clusterresolver
import (
internalserviceconfig "google.golang.org/grpc/internal/serviceconfig"
"google.golang.org/grpc/resolver"
"google.golang.org/grpc/xds/internal/balancer/clusterresolver/balancerconfig"
"google.golang.org/grpc/xds/internal/xdsclient"
)
const million = 1000000
func buildPriorityConfigJSON(edsResp xdsclient.EndpointsUpdate, c *EDSConfig) ([]byte, []resolver.Address, error) {
var childConfig *internalserviceconfig.BalancerConfig
if c.ChildPolicy != nil {
childConfig = &internalserviceconfig.BalancerConfig{Name: c.ChildPolicy.Name}
}
return balancerconfig.BuildPriorityConfigJSON(
[]balancerconfig.PriorityConfig{
{
Mechanism: balancerconfig.DiscoveryMechanism{
Cluster: c.ClusterName,
LoadReportingServerName: c.LrsLoadReportingServerName,
MaxConcurrentRequests: c.MaxConcurrentRequests,
Type: balancerconfig.DiscoveryMechanismTypeEDS,
EDSServiceName: c.EDSServiceName,
},
EDSResp: edsResp,
},
}, childConfig,
)
}