/
client.go
130 lines (95 loc) · 3.19 KB
/
client.go
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package kinesis
import (
"context"
"github.com/americanas-go/errors"
"github.com/americanas-go/log"
"github.com/aws/aws-sdk-go-v2/aws"
"github.com/aws/aws-sdk-go-v2/service/kinesis"
"github.com/aws/aws-sdk-go-v2/service/kinesis/types"
)
// Client knows how to bulkpublish on kinesis
type Client interface {
BulkPublish(ctx context.Context, messages []types.PutRecordsRequestEntry, resource string) error
Publish(ctx context.Context, input *kinesis.PutRecordInput) error
}
// Client holds client and resource name
type client struct {
client *kinesis.Client
}
// NewClient returns a initialized client
func NewClient(c *kinesis.Client) Client {
return &client{c}
}
// Publish publish message on kinesis
func (c *client) Publish(ctx context.Context, input *kinesis.PutRecordInput) error {
logger := log.FromContext(ctx).
WithTypeOf(*c).
WithField("resource", input.StreamName).
WithField("partition_key", input.PartitionKey)
logger.Trace("sending message to kinesis")
response, err := c.client.PutRecord(ctx, input)
if err != nil {
return errors.Wrap(err, errors.New("error publishing message on kinesis"))
}
logger.
WithField("sequence_number", *response.SequenceNumber).
WithField("shard_id", *response.ShardId).
Debug("message sent to kinesis")
return nil
}
// BulkPublish publishes an array of messages on kinesis
func (c *client) BulkPublish(ctx context.Context, entries []types.PutRecordsRequestEntry, resource string) error {
logger := log.FromContext(ctx).
WithTypeOf(*c).
WithField("resource", resource)
bulks := c.splitInputs(entries, 500)
for _, lot := range bulks {
input := c.buildPutRecordsInput(lot, resource)
logger.Trace("sending bulk message to kinesis")
response, err := c.client.PutRecords(ctx, input)
if err != nil {
return errors.Wrap(err, errors.New("error publishing message on kinesis"))
}
if *response.FailedRecordCount > int32(0) {
logger.Warnf("Error on publishing bulk lot. total errors: %v / %v",
*response.FailedRecordCount, len(lot))
}
var retry []types.PutRecordsRequestEntry
for i, r := range response.Records {
if r.ErrorMessage != nil {
logger.
WithField("cause", r.ErrorMessage).
WithField("code", r.ErrorCode).
Warn("error in kinesis bulk record")
retry = append(retry, lot[i])
continue
}
logger.
WithField("sequence_number", *r.SequenceNumber).
WithField("shard_id", *r.ShardId).
Debug("message sent to kinesis")
}
if len(retry) > 0 {
logger.Warnf("Retrying publish %v lot", len(retry))
err := c.BulkPublish(ctx, retry, resource)
if err != nil {
logger.WithField("cause", err.Error()).Warn("error in kinesis bulk record")
return err
}
}
}
return nil
}
func (c *client) buildPutRecordsInput(messages []types.PutRecordsRequestEntry,
resource string) *kinesis.PutRecordsInput {
return &kinesis.PutRecordsInput{
Records: messages,
StreamName: aws.String(resource),
}
}
func (c *client) splitInputs(inputs []types.PutRecordsRequestEntry, chunkSize int) (chunks [][]types.PutRecordsRequestEntry) {
for chunkSize < len(inputs) {
inputs, chunks = inputs[chunkSize:], append(chunks, inputs[0:chunkSize:chunkSize])
}
return append(chunks, inputs)
}