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Added std type to logging config. (#2060)

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* 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>
This commit is contained in:
Martin Ashby 2021-12-16 15:37:01 +00:00 committed by GitHub
parent 002c3e0a5f
commit e5a5be9f54
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4 changed files with 22 additions and 3 deletions
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5
dendrite-config.yaml
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@ -370,9 +370,10 @@ tracing:
baggage_restrictions: null
throttler: null
# Logging configuration, in addition to the standard logging that is sent to
# stdout by Dendrite.
# Logging configuration
logging:
- type: std
level: info
- type: file
level: info
params:

1
go.mod
View File

@ -4,6 +4,7 @@ require (
github.com/Arceliar/ironwood v0.0.0-20210619124114-6ad55cae5031
github.com/DATA-DOG/go-sqlmock v1.5.0
github.com/HdrHistogram/hdrhistogram-go v1.0.1 // indirect
github.com/MFAshby/stdemuxerhook v1.0.0 // indirect
github.com/Masterminds/semver/v3 v3.1.1
github.com/Shopify/sarama v1.29.1
github.com/codeclysm/extract v2.2.0+incompatible

2
go.sum
View File

@ -59,6 +59,8 @@ github.com/HdrHistogram/hdrhistogram-go v1.0.1 h1:GX8GAYDuhlFQnI2fRDHQhTlkHMz8bE
github.com/HdrHistogram/hdrhistogram-go v1.0.1/go.mod h1:BWJ+nMSHY3L41Zj7CA3uXnloDp7xxV0YvstAE7nKTaM=
github.com/Joker/hpp v1.0.0/go.mod h1:8x5n+M1Hp5hC0g8okX3sR3vFQwynaX/UgSOM9MeBKzY=
github.com/Kubuxu/go-os-helper v0.0.1/go.mod h1:N8B+I7vPCT80IcP58r50u4+gEEcsZETFUpAzWW2ep1Y=
github.com/MFAshby/stdemuxerhook v1.0.0 h1:1XFGzakrsHMv76AeanPDL26NOgwjPl/OUxbGhJthwMc=
github.com/MFAshby/stdemuxerhook v1.0.0/go.mod h1:nLMI9FUf9Hz98n+yAXsTMUR4RZQy28uCTLG1Fzvj/uY=
github.com/Masterminds/semver/v3 v3.1.1 h1:hLg3sBzpNErnxhQtUy/mmLR2I9foDujNK030IGemrRc=
github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
github.com/Microsoft/go-winio v0.4.11/go.mod h1:VhR8bwka0BXejwEJY73c50VrPtXAaKcyvVC4A4RozmA=

17
internal/log_unix.go
View File

@ -12,13 +12,16 @@
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !windows
// +build !windows
package internal
import (
"io/ioutil"
"log/syslog"
"github.com/MFAshby/stdemuxerhook"
"github.com/matrix-org/dendrite/setup/config"
"github.com/sirupsen/logrus"
lSyslog "github.com/sirupsen/logrus/hooks/syslog"
@ -28,7 +31,7 @@ import (
// If something fails here it means that the logging was improperly configured,
// so we just exit with the error
func SetupHookLogging(hooks []config.LogrusHook, componentName string) {
logrus.SetReportCaller(true)
stdLogAdded := false
for _, hook := range hooks {
// Check we received a proper logging level
level, err := logrus.ParseLevel(hook.Level)
@ -49,10 +52,18 @@ func SetupHookLogging(hooks []config.LogrusHook, componentName string) {
case "syslog":
checkSyslogHookParams(hook.Params)
setupSyslogHook(hook, level, componentName)
case "std":
setupStdLogHook(level)
stdLogAdded = true
default:
logrus.Fatalf("Unrecognised logging hook type: %s", hook.Type)
}
}
if !stdLogAdded {
setupStdLogHook(logrus.InfoLevel)
}
// Hooks are now configured for stdout/err, so throw away the default logger output
logrus.SetOutput(ioutil.Discard)
}
func checkSyslogHookParams(params map[string]interface{}) {
@ -76,6 +87,10 @@ func checkSyslogHookParams(params map[string]interface{}) {
}
func setupStdLogHook(level logrus.Level) {
logrus.AddHook(&logLevelHook{level, stdemuxerhook.New(logrus.StandardLogger())})
}
func setupSyslogHook(hook config.LogrusHook, level logrus.Level, componentName string) {
syslogHook, err := lSyslog.NewSyslogHook(hook.Params["protocol"].(string), hook.Params["address"].(string), syslog.LOG_INFO, componentName)
if err == nil {