70 lines
1.8 KiB
Go
70 lines
1.8 KiB
Go
package xds
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import (
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envoy_core_v3 "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"
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envoy_discovery_v3 "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"
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envoy_matcher_v3 "github.com/envoyproxy/go-control-plane/envoy/type/matcher/v3"
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"github.com/golang/protobuf/proto"
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"github.com/golang/protobuf/ptypes/any"
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"github.com/golang/protobuf/ptypes/wrappers"
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)
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func createResponse(typeURL string, version, nonce string, resources []proto.Message) (*envoy_discovery_v3.DiscoveryResponse, error) {
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anys := make([]*any.Any, 0, len(resources))
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for _, r := range resources {
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if r == nil {
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continue
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}
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if any, ok := r.(*any.Any); ok {
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anys = append(anys, any)
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continue
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}
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data, err := proto.Marshal(r)
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if err != nil {
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return nil, err
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}
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anys = append(anys, &any.Any{
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TypeUrl: typeURL,
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Value: data,
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})
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}
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resp := &envoy_discovery_v3.DiscoveryResponse{
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VersionInfo: version,
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Resources: anys,
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TypeUrl: typeURL,
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Nonce: nonce,
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}
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return resp, nil
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}
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func makeAddress(ip string, port int) *envoy_core_v3.Address {
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return &envoy_core_v3.Address{
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Address: &envoy_core_v3.Address_SocketAddress{
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SocketAddress: &envoy_core_v3.SocketAddress{
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Address: ip,
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PortSpecifier: &envoy_core_v3.SocketAddress_PortValue{
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PortValue: uint32(port),
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},
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},
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},
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}
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}
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func makeUint32Value(n int) *wrappers.UInt32Value {
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return &wrappers.UInt32Value{Value: uint32(n)}
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}
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func makeBoolValue(n bool) *wrappers.BoolValue {
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return &wrappers.BoolValue{Value: n}
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}
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func makeEnvoyRegexMatch(patt string) *envoy_matcher_v3.RegexMatcher {
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return &envoy_matcher_v3.RegexMatcher{
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EngineType: &envoy_matcher_v3.RegexMatcher_GoogleRe2{
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GoogleRe2: &envoy_matcher_v3.RegexMatcher_GoogleRE2{},
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},
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Regex: patt,
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}
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}
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