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endpoint.go
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endpoint.go
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// Copyright Project Contour 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 envoy
import (
v2 "github.com/envoyproxy/go-control-plane/envoy/api/v2"
envoy_api_v2_core "github.com/envoyproxy/go-control-plane/envoy/api/v2/core"
envoy_api_v2_endpoint "github.com/envoyproxy/go-control-plane/envoy/api/v2/endpoint"
)
// LBEndpoint creates a new LbEndpoint.
func LBEndpoint(addr *envoy_api_v2_core.Address) *envoy_api_v2_endpoint.LbEndpoint {
return &envoy_api_v2_endpoint.LbEndpoint{
HostIdentifier: &envoy_api_v2_endpoint.LbEndpoint_Endpoint{
Endpoint: &envoy_api_v2_endpoint.Endpoint{
Address: addr,
},
},
}
}
// Endpoints returns a slice of LocalityLbEndpoints.
// The slice contains one entry, with one LbEndpoint per
// *envoy_api_v2_core.Address supplied.
func Endpoints(addrs ...*envoy_api_v2_core.Address) []*envoy_api_v2_endpoint.LocalityLbEndpoints {
lbendpoints := make([]*envoy_api_v2_endpoint.LbEndpoint, 0, len(addrs))
for _, addr := range addrs {
lbendpoints = append(lbendpoints, &envoy_api_v2_endpoint.LbEndpoint{
HostIdentifier: &envoy_api_v2_endpoint.LbEndpoint_Endpoint{
Endpoint: &envoy_api_v2_endpoint.Endpoint{
Address: addr,
},
},
})
}
return []*envoy_api_v2_endpoint.LocalityLbEndpoints{{
LbEndpoints: lbendpoints,
}}
}
// ClusterLoadAssignment returns a *v2.ClusterLoadAssignment with a single
// LocalityLbEndpoints of the supplied addresses.
func ClusterLoadAssignment(name string, addrs ...*envoy_api_v2_core.Address) *v2.ClusterLoadAssignment {
if len(addrs) == 0 {
return &v2.ClusterLoadAssignment{ClusterName: name}
}
return &v2.ClusterLoadAssignment{
ClusterName: name,
Endpoints: Endpoints(addrs...),
}
}