/
config.go
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/
config.go
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// Copyright observIQ, Inc.
//
// 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 lookupprocessor provides a processor that looks up values and adds them to telemetry
package lookupprocessor
import (
"errors"
)
const (
// bodyContext is the context for the body of the telemetry
bodyContext = "body"
// attributesContext is the context for the attributes of the telemetry
attributesContext = "attributes"
// resourceContext is the context for the resource of the telemetry
resourceContext = "resource.attributes"
)
var (
// errMissingCSV is the error for missing required field 'csv'
errMissingCSV = errors.New("missing required field 'csv'")
// errMissingContext is the error for missing required field 'context'
errMissingContext = errors.New("missing required field 'context'")
// errMissingField is the error for missing required field 'field'
errMissingField = errors.New("missing required field 'field'")
// errInvalidContext is the error for an invalid context
errInvalidContext = errors.New("invalid context")
)
// Config is the configuration for the processor
type Config struct {
CSV string `mapstructure:"csv"`
Context string `mapstructure:"context"`
Field string `mapstructure:"field"`
}
// Validate validates the processor configuration
func (cfg Config) Validate() error {
if cfg.CSV == "" {
return errMissingCSV
}
if cfg.Context == "" {
return errMissingContext
}
if cfg.Field == "" {
return errMissingField
}
switch cfg.Context {
case bodyContext, attributesContext, resourceContext:
default:
return errInvalidContext
}
return nil
}