forked from rook/rook
Travis Nielsen
0298d1fb29
move core rados packages under cluster folder move daemons under daemon pkg rename flex crd package to attachment pin dep to k8s 1.8.2
97 lines
2.8 KiB
Go
97 lines
2.8 KiB
Go
/*
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Copyright 2016 The Rook Authors. All rights reserved.
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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 api
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import (
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"net/http"
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"time"
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"github.com/coreos/pkg/capnslog"
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"github.com/google/uuid"
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)
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var logger = capnslog.NewPackageLogger("github.com/rook/rook", "api")
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// Implements the http.ResponseWriter interface to intercept response information
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// in order to log it later.
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type loggerResponseWriter struct {
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innerWriter http.ResponseWriter
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status int
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}
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func newLoggerResponseWriter(w http.ResponseWriter) *loggerResponseWriter {
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return &loggerResponseWriter{
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innerWriter: w,
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status: http.StatusOK,
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}
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}
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func (w *loggerResponseWriter) Header() http.Header {
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return w.innerWriter.Header()
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}
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func (w *loggerResponseWriter) Write(d []byte) (int, error) {
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return w.innerWriter.Write(d)
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}
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func (w *loggerResponseWriter) WriteHeader(status int) {
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w.status = status
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w.innerWriter.WriteHeader(status)
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}
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func Logger(inner http.Handler, name string) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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start := time.Now()
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reqID, _ := uuid.NewRandom()
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// logs the start of an API request/response in the form of:
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// e66d0e38-155b-4179-b343-e3881cd80386 GET /status GetStatusDetails (start)
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logger.Infof("%s\t%s\t%s\t%s\t(start)", reqID.String(), r.Method, r.RequestURI, name)
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// wrap the response writer with a loggerResponseWriter to catch details for logging that
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// are written in the response
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lrw := newLoggerResponseWriter(w)
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// perform the inner ServeHTTP
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inner.ServeHTTP(lrw, r)
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// logs the end of an API request/response in the form of:
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// e66d0e38-155b-4179-b343-e3881cd80386 GET /status GetStatusDetails 200 OK 10.012447ms
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logger.Infof("%s\t%s\t%s\t%s\t%d %s\t%s", reqID.String(), r.Method, r.RequestURI, name,
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lrw.status, http.StatusText(lrw.status), time.Since(start))
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})
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}
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// Sets the log level for this node.
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// POST
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// /log
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func (h *Handler) SetLogLevel(w http.ResponseWriter, r *http.Request) {
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l, ok := r.URL.Query()["level"]
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if !ok || l[0] == "" {
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http.Error(w, "log level not passed", http.StatusBadRequest)
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return
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}
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logLevel, err := capnslog.ParseLevel(l[0])
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if err != nil {
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http.Error(w, "invalid log level", http.StatusBadRequest)
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return
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}
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capnslog.SetGlobalLogLevel(logLevel)
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w.WriteHeader(http.StatusOK)
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}
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