42 lines
683 B
Go
42 lines
683 B
Go
package elastic
|
|
|
|
import (
|
|
"context"
|
|
)
|
|
|
|
func Open(context.Context, []Position) error {
|
|
|
|
// Open a connection with ElasticSearch
|
|
cfg := elasticsearch.Config{
|
|
Addresses: []string{
|
|
c.cfg.Host,
|
|
},
|
|
}
|
|
|
|
var err error
|
|
c.es, err = elasticsearch.NewClient(cfg)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// create a buffer channel
|
|
c.ch = make(chan Data, c.cfg.BatchSize)
|
|
|
|
// open bolt db
|
|
c.db, err = bolt.Open(c.cfg.DBPath, 0644, nil)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
for _, index := range c.config.Indexes {
|
|
offset, err := getOffset(c.db, index)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
c.offsets[index] = offset
|
|
NewWorker(c.es, index, offset, c.config.BatchSize)
|
|
}
|
|
|
|
return nil
|
|
}
|