mirror of
https://github.com/1f349/dendrite.git
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e5a5be9f54
* Added std type to logging level. Added demux-ing of logging to stdout/err working around https://github.com/sirupsen/logrus/issues/403 Turned off the default logging in favour of using hooks always. Added fallback, if no stdout/err logger was configured, add one automatically. This prevents unexpected lack of logging after an upgrade in case the user's configuration file is not updated. Fixes: https://github.com/matrix-org/dendrite/issues/2054 Signed-off-by: Martin Ashby <martin@ashbysoft.com> * Fix build on Windows - revert function rename SetupHookLogging Fixes https://github.com/matrix-org/dendrite/pull/2060/files#r761692681 * Revert logging formatter changes to log.go, base.go. The same formatting should be applied on both windows and unix, so it makes sense to keep it in files which are shared between both platforms. Fixes https://github.com/matrix-org/dendrite/pull/2060#discussion_r762557679 * Remove unnecessary startup logging about info level logger. Fixes https://github.com/matrix-org/dendrite/pull/2060#discussion_r763959474 Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
100 lines
3.1 KiB
Go
100 lines
3.1 KiB
Go
// Copyright 2021 The Matrix.org Foundation C.I.C.
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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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//go:build !windows
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// +build !windows
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package internal
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import (
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"io/ioutil"
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"log/syslog"
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"github.com/MFAshby/stdemuxerhook"
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"github.com/matrix-org/dendrite/setup/config"
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"github.com/sirupsen/logrus"
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lSyslog "github.com/sirupsen/logrus/hooks/syslog"
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)
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// SetupHookLogging configures the logging hooks defined in the configuration.
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// If something fails here it means that the logging was improperly configured,
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// so we just exit with the error
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func SetupHookLogging(hooks []config.LogrusHook, componentName string) {
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stdLogAdded := false
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for _, hook := range hooks {
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// Check we received a proper logging level
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level, err := logrus.ParseLevel(hook.Level)
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if err != nil {
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logrus.Fatalf("Unrecognised logging level %s: %q", hook.Level, err)
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}
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// Perform a first filter on the logs according to the lowest level of all
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// (Eg: If we have hook for info and above, prevent logrus from processing debug logs)
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if logrus.GetLevel() < level {
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logrus.SetLevel(level)
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}
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switch hook.Type {
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case "file":
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checkFileHookParams(hook.Params)
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setupFileHook(hook, level, componentName)
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case "syslog":
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checkSyslogHookParams(hook.Params)
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setupSyslogHook(hook, level, componentName)
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case "std":
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setupStdLogHook(level)
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stdLogAdded = true
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default:
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logrus.Fatalf("Unrecognised logging hook type: %s", hook.Type)
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}
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}
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if !stdLogAdded {
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setupStdLogHook(logrus.InfoLevel)
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}
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// Hooks are now configured for stdout/err, so throw away the default logger output
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logrus.SetOutput(ioutil.Discard)
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}
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func checkSyslogHookParams(params map[string]interface{}) {
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addr, ok := params["address"]
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if !ok {
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logrus.Fatalf("Expecting a parameter \"address\" for logging hook of type \"syslog\"")
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}
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if _, ok := addr.(string); !ok {
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logrus.Fatalf("Parameter \"address\" for logging hook of type \"syslog\" should be a string")
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}
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proto, ok2 := params["protocol"]
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if !ok2 {
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logrus.Fatalf("Expecting a parameter \"protocol\" for logging hook of type \"syslog\"")
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}
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if _, ok2 := proto.(string); !ok2 {
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logrus.Fatalf("Parameter \"protocol\" for logging hook of type \"syslog\" should be a string")
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}
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}
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func setupStdLogHook(level logrus.Level) {
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logrus.AddHook(&logLevelHook{level, stdemuxerhook.New(logrus.StandardLogger())})
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}
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func setupSyslogHook(hook config.LogrusHook, level logrus.Level, componentName string) {
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syslogHook, err := lSyslog.NewSyslogHook(hook.Params["protocol"].(string), hook.Params["address"].(string), syslog.LOG_INFO, componentName)
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if err == nil {
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logrus.AddHook(&logLevelHook{level, syslogHook})
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}
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}
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