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logging.go
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logging.go
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/*
* Copyright 2018 The Service Manager 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 filters
import (
"github.com/Peripli/service-manager/pkg/log"
"github.com/Peripli/service-manager/pkg/web"
)
const (
// LoggingFilterName is the name of the logging filter
LoggingFilterName = "LoggingFilter"
)
// Logging is filter that configures logging per request.
type Logging struct {
}
// Name implements the web.Filter interface and returns the identifier of the filter.
func (*Logging) Name() string {
return LoggingFilterName
}
// Run represents the logging middleware function that processes the request and configures the request-scoped logging.
func (l *Logging) Run(req *web.Request, next web.Handler) (*web.Response, error) {
ctx := req.Context()
entry := log.C(ctx)
if correlationID := log.CorrelationIDForRequest(req.Request); correlationID != "" {
entry = entry.WithField(log.FieldCorrelationID, correlationID)
}
ctx = log.ContextWithLogger(ctx, entry)
req.Request = req.WithContext(ctx)
return next.Handle(req)
}
// FilterMatchers implements the web.Filter interface and returns the conditions on which the filter should be executed.
func (*Logging) FilterMatchers() []web.FilterMatcher {
return []web.FilterMatcher{
{
Matchers: []web.Matcher{
web.Path("/**"),
},
},
}
}