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pulsar.go
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pulsar.go
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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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 pulsar
import (
"github.com/elastic/beats/v7/libbeat/beat"
"github.com/elastic/beats/v7/libbeat/common"
"github.com/elastic/beats/v7/libbeat/logp"
"github.com/elastic/beats/v7/libbeat/outputs"
"github.com/elastic/beats/v7/libbeat/outputs/outil"
)
func init() {
outputs.RegisterType("pulsar", makePulsar)
}
func makePulsar(
_ outputs.IndexManager,
beat beat.Info,
observer outputs.Observer,
cfg *common.Config,
) (outputs.Group, error) {
config := defaultConfig()
logp.Info("initialize pulsar output")
if err := cfg.Unpack(&config); err != nil {
return outputs.Fail(err)
}
logp.Info("init config %v", config)
clientOptions, producerOptions, err := initOptions(&config)
if err != nil {
return outputs.Fail(err)
}
topicSelector, err := buildTopicSelector(cfg)
if err != nil {
return outputs.Fail(err)
}
partitionKeySelector, err := buildPartitionKeySelector(cfg)
if err != nil {
return outputs.Fail(err)
}
client, err := newPulsarClient(beat, observer, *clientOptions, *producerOptions, &config, topicSelector, partitionKeySelector)
if err != nil {
return outputs.Fail(err)
}
retry := 0
if config.MaxRetries < 0 {
retry = -1
}
return outputs.Success(config.BulkMaxSize, retry, client)
}
func buildTopicSelector(cfg *common.Config) (outil.Selector, error) {
return outil.BuildSelectorFromConfig(cfg, outil.Settings{
Key: "topic",
EnableSingleOnly: true,
FailEmpty: true,
})
}
func buildPartitionKeySelector(cfg *common.Config) (outil.Selector, error) {
return outil.BuildSelectorFromConfig(cfg, outil.Settings{
Key: "partition_key",
EnableSingleOnly: true,
FailEmpty: false,
})
}