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doris.go
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doris.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 doris
import (
"fmt"
"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/codec"
)
const logSelector = "doris"
func init() {
outputs.RegisterType("doris", makeDoris)
}
func makeDoris(
_ outputs.IndexManager,
beat beat.Info,
observer outputs.Observer,
cfg *common.Config,
) (outputs.Group, error) {
logger := logp.NewLogger(logSelector)
config := defaultConfig()
if err := cfg.Unpack(&config); err != nil {
return outputs.Fail(err)
}
if err := config.Validate(); err != nil {
return outputs.Fail(err)
}
codecConfig := loadCodecConfig(config)
codec, err := codec.CreateEncoder(beat, codecConfig)
if err != nil {
return outputs.Fail(err)
}
clients := make([]outputs.NetworkClient, len(config.Hosts))
for i, host := range config.Hosts {
logger.Info("Making client for host: " + host)
url, err := parseURL(host)
if err != nil {
return outputs.Fail(err)
}
streamLoadPath := fmt.Sprintf("/api/%s/%s/_stream_load", config.Database, config.Table)
hostURL, err := common.MakeURL(url.Scheme, streamLoadPath, host, 80)
if err != nil {
logger.Errorf("Invalid host param set: %s, Error: %+v", host, err)
return outputs.Fail(err)
}
logger.Infof("Final http connection endpoint: %s", hostURL)
var client outputs.NetworkClient
client, err = NewDorisClient(clientSettings{
URL: hostURL,
Timeout: config.Timeout,
Observer: observer,
Headers: config.createHeaders(),
Codec: codec,
LineDelimiter: config.LineDelimiter,
LabelPrefix: config.LabelPrefix,
Database: config.Database,
Table: config.Table,
Logger: logger,
})
if err != nil {
return outputs.Fail(err)
}
client = outputs.WithBackoff(client, config.Backoff.Init, config.Backoff.Max)
clients[i] = client
}
retry := 0
if config.MaxRetries < 0 {
retry = -1
} else {
retry = config.MaxRetries
}
return outputs.SuccessNet(true, config.BulkMaxSize, retry, clients)
}
func loadCodecConfig(config config) codec.Config {
if len(config.CodecFormatString) == 0 {
return config.Codec
}
beatConfig := common.MustNewConfigFrom(map[string]interface{}{
"format.string": config.CodecFormatString,
})
codecConfig := codec.Config{}
if err := beatConfig.Unpack(&codecConfig); err != nil {
panic(err)
}
return codecConfig
}