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config.go
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config.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 otlpexporter // import "github.com/f5/otel-arrow-adapter/collector/gen/exporter/otlpexporter"
import (
"fmt"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/config/configgrpc"
"go.opentelemetry.io/collector/exporter/exporterhelper"
)
// Config defines configuration for OpenCensus exporter.
type Config struct {
exporterhelper.TimeoutSettings `mapstructure:",squash"` // squash ensures fields are correctly decoded in embedded struct.
exporterhelper.QueueSettings `mapstructure:"sending_queue"`
exporterhelper.RetrySettings `mapstructure:"retry_on_failure"`
configgrpc.GRPCClientSettings `mapstructure:",squash"` // squash ensures fields are correctly decoded in embedded struct.
Arrow ArrowSettings `mapstructure:"arrow"`
}
// ArrowSettings includes whether Arrow is enabled and the number of
// concurrent Arrow streams.
type ArrowSettings struct {
Enabled bool `mapstructure:"enabled"`
NumStreams int `mapstructure:"num_streams"`
DisableDowngrade bool `mapstructure:"disable_downgrade"`
}
var _ component.Config = (*Config)(nil)
// Validate checks if the exporter configuration is valid
func (cfg *Config) Validate() error {
if err := cfg.QueueSettings.Validate(); err != nil {
return fmt.Errorf("queue settings has invalid configuration: %w", err)
}
if err := cfg.Arrow.Validate(); err != nil {
return fmt.Errorf("arrow settings has invalid configuration: %w", err)
}
return nil
}
// Validate returns an error when the number of streams is less than 1.
func (cfg *ArrowSettings) Validate() error {
if cfg.NumStreams < 1 {
return fmt.Errorf("stream count must be > 0: %d", cfg.NumStreams)
}
return nil
}