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Creates a internal facing logging interface
This is a simple loggin interface to be used interally for the sdk. Included is an exmaple in `namedtracer` run: ``` cd example/namedtracer go run . >/dev/null ```
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| // Copyright The OpenTelemetry 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 debug // import "go.opentelemetry.io/otel/debug" | ||
|
|
||
| import ( | ||
| "log" | ||
| "os" | ||
|
|
||
| "github.com/go-logr/logr" | ||
| "github.com/go-logr/stdr" | ||
|
|
||
| "go.opentelemetry.io/otel/internal/debug" | ||
| ) | ||
|
|
||
| // SetLogger configures the logger used internally to opentelemetry. | ||
| func SetLogger(logger logr.Logger) { | ||
| debug.Log = logger | ||
| } | ||
|
|
||
| // SetDefaultLogger configures the internal logger to use stderr and show verbose logging messages. | ||
| func SetDefaultLogger() { | ||
| SetLogger(stdr.New(log.New(os.Stderr, "", log.LstdFlags|log.Lshortfile))) | ||
| stdr.SetVerbosity(5) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| // Copyright The OpenTelemetry 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 debug provides methods to control internal logging of opentelemetry. | ||
| # Usage: | ||
| The default logger will discard all messages, to see the logs the application | ||
| developer needs to set a logger. | ||
| ``` | ||
| import ( | ||
| "os" | ||
| "go.opentelemetry.io/otel/debug" | ||
| "github.com/go-logr/stdr" | ||
| ) | ||
| func main() { | ||
| debug.SetLogger( | ||
| stdr.New(log.New(os.Stderr, "", log.LstdFlags|log.Lshortfile)) | ||
| ) | ||
| ... | ||
| } | ||
| ``` | ||
| # Verbosity: | ||
| There are two different levels of logging currently the default (0) and | ||
| additional (5). To see the additional debug logs you need to configure your | ||
| logger to display the level 5 logs. | ||
| For example when using stdr use `stdr.SetVerbosity(5)` to see the aditional logs | ||
| */ | ||
| package debug // import "go.opentelemetry.io/otel/debug" |
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