mirror of https://github.com/knative/serving.git
72 lines
2.3 KiB
Go
72 lines
2.3 KiB
Go
/*
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Copyright 2019 The Knative Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"net/http"
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"go.uber.org/zap"
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corev1 "k8s.io/api/core/v1"
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"knative.dev/serving/pkg/activator/handler"
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"knative.dev/serving/pkg/apis/serving"
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pkghttp "knative.dev/serving/pkg/http"
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o11yconfigmap "knative.dev/serving/pkg/observability/configmap"
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)
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func updateRequestLogFromConfigMap(logger *zap.SugaredLogger, h *pkghttp.RequestLogHandler) func(configMap *corev1.ConfigMap) {
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return func(configMap *corev1.ConfigMap) {
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obsconfig, err := o11yconfigmap.Parse(configMap)
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if err != nil {
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logger.Errorw("Failed to get observability configmap.", zap.Error(err), "configmap", configMap)
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return
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}
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var newTemplate string
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if obsconfig.EnableRequestLog {
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newTemplate = obsconfig.RequestLogTemplate
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}
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if err := h.SetTemplate(newTemplate); err != nil {
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logger.Errorw("Failed to update the request log template.", zap.Error(err), "template", newTemplate)
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} else {
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logger.Infow("Updated the request log template.", "template", newTemplate)
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}
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}
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}
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// requestLogTemplateInputGetter gets the template input from the request.
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// It assumes the Revision has been set on the context such that
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// handler.FromRevision() returns a non-nil revision.
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func requestLogTemplateInputGetter(req *http.Request, resp *pkghttp.RequestLogResponse) *pkghttp.RequestLogTemplateInput {
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revision := handler.RevisionFrom(req.Context())
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revInfo := &pkghttp.RequestLogRevision{
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Namespace: revision.Namespace,
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Name: revision.Name,
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}
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if revision.Labels != nil {
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revInfo.Configuration = revision.Labels[serving.ConfigurationLabelKey]
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revInfo.Service = revision.Labels[serving.ServiceLabelKey]
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}
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return &pkghttp.RequestLogTemplateInput{
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Request: req,
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Response: resp,
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Revision: revInfo,
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}
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}
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