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factory.go
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factory.go
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// Copyright 2019, 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:https://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 signalfxexporter
import (
"context"
"fmt"
"strings"
"time"
"go.opentelemetry.io/collector/component"
otelconfig "go.opentelemetry.io/collector/config"
"go.opentelemetry.io/collector/config/configmodels"
"go.opentelemetry.io/collector/exporter/exporterhelper"
"github.com/open-telemetry/opentelemetry-collector-contrib/exporter/signalfxexporter/translation"
"github.com/open-telemetry/opentelemetry-collector-contrib/internal/splunk"
)
const (
// The value of "type" key in configuration.
typeStr = "signalfx"
defaultHTTPTimeout = time.Second * 5
)
// NewFactory creates a factory for SignalFx exporter.
func NewFactory() component.ExporterFactory {
return exporterhelper.NewFactory(
typeStr,
createDefaultConfig,
exporterhelper.WithMetrics(createMetricsExporter),
exporterhelper.WithLogs(createLogsExporter))
}
func createDefaultConfig() configmodels.Exporter {
return &Config{
ExporterSettings: configmodels.ExporterSettings{
TypeVal: configmodels.Type(typeStr),
NameVal: typeStr,
},
TimeoutSettings: exporterhelper.TimeoutSettings{Timeout: defaultHTTPTimeout},
RetrySettings: exporterhelper.CreateDefaultRetrySettings(),
QueueSettings: exporterhelper.CreateDefaultQueueSettings(),
AccessTokenPassthroughConfig: splunk.AccessTokenPassthroughConfig{
AccessTokenPassthrough: true,
},
SendCompatibleMetrics: false,
TranslationRules: nil,
DeltaTranslationTTL: 3600,
}
}
func createMetricsExporter(
_ context.Context,
params component.ExporterCreateParams,
config configmodels.Exporter,
) (component.MetricsExporter, error) {
expCfg := config.(*Config)
err := setTranslationRules(expCfg)
if err != nil {
return nil, err
}
exp, err := newSignalFxExporter(expCfg, params.Logger)
if err != nil {
return nil, err
}
me, err := exporterhelper.NewMetricsExporter(
expCfg,
exp.pushMetrics,
// explicitly disable since we rely on http.Client timeout logic.
exporterhelper.WithTimeout(exporterhelper.TimeoutSettings{Timeout: 0}),
exporterhelper.WithRetry(expCfg.RetrySettings),
exporterhelper.WithQueue(expCfg.QueueSettings))
return &signalfMetadataExporter{
MetricsExporter: me,
pushMetadata: exp.pushMetadata,
}, err
}
func setTranslationRules(cfg *Config) error {
if cfg.SendCompatibleMetrics && cfg.TranslationRules == nil {
defaultRules, err := loadDefaultTranslationRules()
if err != nil {
return err
}
cfg.TranslationRules = defaultRules
}
if len(cfg.ExcludeMetrics) > 0 {
cfg.TranslationRules = append(cfg.TranslationRules,
translation.GetExcludeMetricsRule(cfg.ExcludeMetrics))
}
return nil
}
func loadDefaultTranslationRules() ([]translation.Rule, error) {
config := Config{}
v := otelconfig.NewViper()
v.SetConfigType("yaml")
v.ReadConfig(strings.NewReader(translation.DefaultTranslationRulesYaml))
err := v.UnmarshalExact(&config)
if err != nil {
return nil, fmt.Errorf("failed to load default translation rules: %v", err)
}
return config.TranslationRules, nil
}
func createLogsExporter(
_ context.Context,
params component.ExporterCreateParams,
cfg configmodels.Exporter,
) (component.LogsExporter, error) {
expCfg := cfg.(*Config)
exp, err := newEventExporter(expCfg, params.Logger)
if err != nil {
return nil, err
}
return exporterhelper.NewLogsExporter(
expCfg,
exp.pushLogs,
// explicitly disable since we rely on http.Client timeout logic.
exporterhelper.WithTimeout(exporterhelper.TimeoutSettings{Timeout: 0}),
exporterhelper.WithRetry(expCfg.RetrySettings),
exporterhelper.WithQueue(expCfg.QueueSettings))
}