Remove examples

exporter/datasetexporter/README.md

@@ -17,8 +17,10 @@ See the [Getting Started](https://app.scalyr.com/help/getting-started) guide.
 
 ### Required Settings
 
-- `dataset_url` (no default): The URL of the DataSet API that ingests the data. Most likely https://app.scalyr.com. If not specified env variable `DATASET_URL` is used.
-- `api_key` (no default): The "Log Write" API Key required to use API. Instructions how to get [API key](https://app.scalyr.com/help/api-keys). If not specified env variable `DATASET_API_KEY` is used.
+- `dataset_url` (no default): The URL of the DataSet API that ingests the data. Most likely https://app.scalyr.com.
+- `api_key` (no default): The "Log Write" API Key required to use API. Instructions how to get [API key](https://app.scalyr.com/help/api-keys).
+
+If you do not want to specify `api_key` in the file, you can use the [builtin functionality](https://opentelemetry.io/docs/collector/configuration/#configuration-environment-variables) and use `api_key: ${env:DATASET_API_KEY}`.
 
 ### Optional Settings
 

exporter/datasetexporter/config.go

@@ -16,7 +16,6 @@ package datasetexporter // import "github.com/open-telemetry/opentelemetry-colle
 
 import (
  "fmt"
- "os"
  "time"
 
  "github.com/scalyr/dataset-go/pkg/buffer"
@@ -82,17 +81,6 @@ func (c *Config) Unmarshal(conf *confmap.Conf) error {
  return fmt.Errorf("cannot unmarshal config: %w", err)
  }
 
- if len(c.DatasetURL) == 0 {
- c.DatasetURL = os.Getenv("DATASET_URL")
- }
- if len(c.APIKey) == 0 {
- c.APIKey = configopaque.String(os.Getenv("DATASET_API_KEY"))
- }
-
- if c.TracesSettings.MaxWait == 0 {
- c.TracesSettings.MaxWait = tracesMaxWait
- }
-
  return nil
 }
 

exporter/datasetexporter/config_test.go

@@ -21,7 +21,6 @@ import (
  "time"
 
  "github.com/stretchr/testify/suite"
- "go.opentelemetry.io/collector/config/configopaque"
  "go.opentelemetry.io/collector/confmap"
  "go.opentelemetry.io/collector/exporter/exporterhelper"
 )
@@ -54,37 +53,6 @@ func (s *SuiteConfig) TestConfigUnmarshalUnknownAttributes() {
  s.Equal(expectedError.Error(), err.Error())
 }
 
-func (s *SuiteConfig) TestConfigKeepValuesWhenEnvSet() {
- s.T().Setenv("DATASET_URL", "https://example.org")
- s.T().Setenv("DATASET_API_KEY", "api_key")
-
- f := NewFactory()
- config := f.CreateDefaultConfig().(*Config)
- configMap := confmap.NewFromStringMap(map[string]interface{}{
- "dataset_url": "https://example.com",
- "api_key": configopaque.String("secret"),
- })
- err := config.Unmarshal(configMap)
- s.Nil(err)
-
- s.Equal("https://example.com", config.DatasetURL)
- s.Equal(configopaque.String("secret"), config.APIKey)
-}
-
-func (s *SuiteConfig) TestConfigUseEnvWhenSet() {
- s.T().Setenv("DATASET_URL", "https://example.org")
- s.T().Setenv("DATASET_API_KEY", "api_key")
-
- f := NewFactory()
- config := f.CreateDefaultConfig().(*Config)
- configMap := confmap.NewFromStringMap(map[string]interface{}{})
- err := config.Unmarshal(configMap)
- s.Nil(err)
-
- s.Equal("https://example.org", config.DatasetURL)
- s.Equal("api_key", string(config.APIKey))
-}
-
 func (s *SuiteConfig) TestConfigUseDefaults() {
  f := NewFactory()
  config := f.CreateDefaultConfig().(*Config)