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connector.go
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/
connector.go
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// 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 connectortest // import "go.opentelemetry.io/collector/connector/connectortest"
import (
"context"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/component/componenttest"
"go.opentelemetry.io/collector/connector"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/consumer/consumertest"
)
// NewNopCreateSettings returns a new nop settings for Create* functions.
func NewNopCreateSettings() connector.CreateSettings {
return connector.CreateSettings{
TelemetrySettings: componenttest.NewNopTelemetrySettings(),
BuildInfo: component.NewDefaultBuildInfo(),
}
}
type nopConfig struct{}
// NewNopFactory returns a connector.Factory that constructs nop processors.
func NewNopFactory() connector.Factory {
return connector.NewFactory(
"nop",
func() component.Config {
return &nopConfig{}
},
connector.WithTracesToTraces(createTracesToTracesConnector, component.StabilityLevelDevelopment),
connector.WithTracesToMetrics(createTracesToMetricsConnector, component.StabilityLevelDevelopment),
connector.WithTracesToLogs(createTracesToLogsConnector, component.StabilityLevelDevelopment),
connector.WithMetricsToTraces(createMetricsToTracesConnector, component.StabilityLevelDevelopment),
connector.WithMetricsToMetrics(createMetricsToMetricsConnector, component.StabilityLevelDevelopment),
connector.WithMetricsToLogs(createMetricsToLogsConnector, component.StabilityLevelDevelopment),
connector.WithLogsToTraces(createLogsToTracesConnector, component.StabilityLevelDevelopment),
connector.WithLogsToMetrics(createLogsToMetricsConnector, component.StabilityLevelDevelopment),
connector.WithLogsToLogs(createLogsToLogsConnector, component.StabilityLevelDevelopment),
)
}
func createTracesToTracesConnector(context.Context, connector.CreateSettings, component.Config, consumer.Traces) (connector.Traces, error) {
return &nopConnector{Consumer: consumertest.NewNop()}, nil
}
func createTracesToMetricsConnector(context.Context, connector.CreateSettings, component.Config, consumer.Metrics) (connector.Traces, error) {
return &nopConnector{Consumer: consumertest.NewNop()}, nil
}
func createTracesToLogsConnector(context.Context, connector.CreateSettings, component.Config, consumer.Logs) (connector.Traces, error) {
return &nopConnector{Consumer: consumertest.NewNop()}, nil
}
func createMetricsToTracesConnector(context.Context, connector.CreateSettings, component.Config, consumer.Traces) (connector.Metrics, error) {
return &nopConnector{Consumer: consumertest.NewNop()}, nil
}
func createMetricsToMetricsConnector(context.Context, connector.CreateSettings, component.Config, consumer.Metrics) (connector.Metrics, error) {
return &nopConnector{Consumer: consumertest.NewNop()}, nil
}
func createMetricsToLogsConnector(context.Context, connector.CreateSettings, component.Config, consumer.Logs) (connector.Metrics, error) {
return &nopConnector{Consumer: consumertest.NewNop()}, nil
}
func createLogsToTracesConnector(context.Context, connector.CreateSettings, component.Config, consumer.Traces) (connector.Logs, error) {
return &nopConnector{Consumer: consumertest.NewNop()}, nil
}
func createLogsToMetricsConnector(context.Context, connector.CreateSettings, component.Config, consumer.Metrics) (connector.Logs, error) {
return &nopConnector{Consumer: consumertest.NewNop()}, nil
}
func createLogsToLogsConnector(context.Context, connector.CreateSettings, component.Config, consumer.Logs) (connector.Logs, error) {
return &nopConnector{Consumer: consumertest.NewNop()}, nil
}
// nopConnector stores consumed traces and metrics for testing purposes.
type nopConnector struct {
component.StartFunc
component.ShutdownFunc
consumertest.Consumer
}