youtubebeat/vendor/github.com/elastic/beats/libbeat/publisher/pipeline/config.go

72 lines
2.2 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 pipeline
import (
"errors"
"fmt"
"github.com/elastic/beats/libbeat/beat"
"github.com/elastic/beats/libbeat/common"
"github.com/elastic/beats/libbeat/processors"
)
// Config object for loading a pipeline instance via Load.
type Config struct {
// Event processing configurations
common.EventMetadata `config:",inline"` // Fields and tags to add to each event.
Processors processors.PluginConfig `config:"processors"`
// Event queue
Queue common.ConfigNamespace `config:"queue"`
}
// validateClientConfig checks a ClientConfig can be used with (*Pipeline).ConnectWith.
func validateClientConfig(c *beat.ClientConfig) error {
withDrop := false
switch m := c.PublishMode; m {
case beat.DefaultGuarantees, beat.GuaranteedSend:
case beat.DropIfFull:
withDrop = true
default:
return fmt.Errorf("unknown publish mode %v", m)
}
fnCount := 0
countPtr := func(b bool) {
if b {
fnCount++
}
}
countPtr(c.ACKCount != nil)
countPtr(c.ACKEvents != nil)
countPtr(c.ACKLastEvent != nil)
if fnCount > 1 {
return fmt.Errorf("At most one of ACKCount, ACKEvents, ACKLastEvent can be configured")
}
// ACK handlers can not be registered DropIfFull is set, as dropping events
// due to full broker can not be accounted for in the clients acker.
if fnCount != 0 && withDrop {
return errors.New("ACK handlers with DropIfFull mode not supported")
}
return nil
}