66 lines
2.1 KiB
Go
66 lines
2.1 KiB
Go
// Licensed to Elasticsearch B.V. under one or more contributor
|
|
// license agreements. See the NOTICE file distributed with
|
|
// this work for additional information regarding copyright
|
|
// ownership. Elasticsearch B.V. licenses this file to you 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 input
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/elastic/beats/filebeat/channel"
|
|
"github.com/elastic/beats/filebeat/input/file"
|
|
"github.com/elastic/beats/libbeat/common"
|
|
"github.com/elastic/beats/libbeat/logp"
|
|
)
|
|
|
|
type Context struct {
|
|
States []file.State
|
|
Done chan struct{}
|
|
BeatDone chan struct{}
|
|
DynamicFields *common.MapStrPointer
|
|
Meta map[string]string
|
|
}
|
|
|
|
// Factory is used to register functions creating new Input instances.
|
|
type Factory = func(config *common.Config, connector channel.Connector, context Context) (Input, error)
|
|
|
|
var registry = make(map[string]Factory)
|
|
|
|
func Register(name string, factory Factory) error {
|
|
logp.Info("Registering input factory")
|
|
if name == "" {
|
|
return fmt.Errorf("Error registering input: name cannot be empty")
|
|
}
|
|
if factory == nil {
|
|
return fmt.Errorf("Error registering input '%v': factory cannot be empty", name)
|
|
}
|
|
if _, exists := registry[name]; exists {
|
|
return fmt.Errorf("Error registering input '%v': already registered", name)
|
|
}
|
|
|
|
registry[name] = factory
|
|
logp.Info("Successfully registered input")
|
|
|
|
return nil
|
|
}
|
|
|
|
func GetFactory(name string) (Factory, error) {
|
|
if _, exists := registry[name]; !exists {
|
|
return nil, fmt.Errorf("Error creating input. No such input type exist: '%v'", name)
|
|
}
|
|
return registry[name], nil
|
|
}
|