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tracing.go
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tracing.go
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// Copyright 2018 Istio 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 dispatcher
import (
"github.com/gogo/googleapis/google/rpc"
opentracing "github.com/opentracing/opentracing-go"
tracelog "github.com/opentracing/opentracing-go/log"
"istio.io/istio/mixer/pkg/adapter"
"istio.io/istio/mixer/pkg/status"
)
const (
meshFunction = "meshFunction"
handlerName = "handler"
adapterName = "adapter"
responseCode = "response_code"
responseMsg = "response_message"
errorStr = "error"
)
func logCheckResultToDispatchSpan(span opentracing.Span, template string, handler string, adapter string, result adapter.CheckResult, err error) {
logEntriesToDispatchSpan(span, template, handler, adapter, result.Status, err)
}
func logQuotaResultToDispatchSpan(span opentracing.Span, template string, handler string, adapter string, result adapter.QuotaResult, err error) {
logEntriesToDispatchSpan(span, template, handler, adapter, result.Status, err)
}
func logErrorToDispatchSpan(span opentracing.Span, template string, handler string, adapter string, err error) {
logEntriesToDispatchSpan(span, template, handler, adapter, status.OK, err)
}
func logEntriesToDispatchSpan(span opentracing.Span, template string, handler string, adapter string, st rpc.Status, err error) {
if err != nil {
st = status.WithError(err)
}
span.LogFields(
tracelog.String(meshFunction, template),
tracelog.String(handlerName, handler),
tracelog.String(adapterName, adapter),
tracelog.String(responseCode, rpc.Code_name[st.Code]),
tracelog.String(responseMsg, st.Message),
tracelog.Bool(errorStr, err != nil),
)
}