b0c9ae7490
This PR brings an additional logger implementation called AuditLog which logs to http targets The intention is to use AuditLog to log all incoming requests, this is used as a mechanism by external log collection entities for processing Minio requests.
106 lines
2.7 KiB
Go
106 lines
2.7 KiB
Go
/*
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* Minio Cloud Storage, (C) 2018 Minio, Inc.
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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 logger
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import (
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"encoding/json"
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"fmt"
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"strings"
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"time"
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)
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// ConsoleTarget implements loggerTarget to send log
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// in plain or json format to the standard output.
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type ConsoleTarget struct{}
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func (c *ConsoleTarget) send(e interface{}) error {
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entry, ok := e.(logEntry)
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if !ok {
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return fmt.Errorf("Uexpected log entry structure %#v", e)
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}
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if jsonFlag {
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logJSON, err := json.Marshal(&entry)
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if err != nil {
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return err
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}
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fmt.Println(string(logJSON))
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return nil
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}
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trace := make([]string, len(entry.Trace.Source))
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// Add a sequence number and formatting for each stack trace
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// No formatting is required for the first entry
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for i, element := range entry.Trace.Source {
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trace[i] = fmt.Sprintf("%8v: %s", i+1, element)
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}
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tagString := ""
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for key, value := range entry.Trace.Variables {
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if value != "" {
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if tagString != "" {
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tagString += ", "
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}
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tagString += key + "=" + value
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}
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}
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apiString := "API: " + entry.API.Name + "("
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if entry.API.Args != nil && entry.API.Args.Bucket != "" {
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apiString = apiString + "bucket=" + entry.API.Args.Bucket
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}
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if entry.API.Args != nil && entry.API.Args.Object != "" {
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apiString = apiString + ", object=" + entry.API.Args.Object
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}
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apiString += ")"
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timeString := "Time: " + time.Now().Format(loggerTimeFormat)
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var requestID string
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if entry.RequestID != "" {
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requestID = "\nRequestID: " + entry.RequestID
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}
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var remoteHost string
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if entry.RemoteHost != "" {
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remoteHost = "\nRemoteHost: " + entry.RemoteHost
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}
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var userAgent string
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if entry.UserAgent != "" {
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userAgent = "\nUserAgent: " + entry.UserAgent
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}
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if len(entry.Trace.Variables) > 0 {
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tagString = "\n " + tagString
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}
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var msg = colorFgRed(colorBold(entry.Trace.Message))
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var output = fmt.Sprintf("\n%s\n%s%s%s%s\nError: %s%s\n%s",
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apiString, timeString, requestID, remoteHost, userAgent,
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msg, tagString, strings.Join(trace, "\n"))
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fmt.Println(output)
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return nil
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}
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// NewConsole initializes a new logger target
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// which prints log directly in the standard
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// output.
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func NewConsole() LoggingTarget {
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return &ConsoleTarget{}
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}
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