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[ES] indices to be created with daywise timestamp #430

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merged 5 commits into from
Nov 9, 2020
Merged

[ES] indices to be created with daywise timestamp #430

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f14200e
[ES] indices to be created with daywise timestamp
Nov 5, 2020
9012170
variable for ES Index naming
Nov 9, 2020
e97ded5
suffixing index timestamp with ES object
Nov 9, 2020
939aaab
creating index name before sending event to ES
Nov 9, 2020
61da5a5
Merge branch 'develop' into feature/es/daywise-index
mergify[bot] Nov 9, 2020
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26 changes: 17 additions & 9 deletions pkg/notify/elasticsearch.go
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ package notify
import (
"context"
"fmt"
"time"

"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/credentials/ec2rolecreds"
Expand All @@ -37,7 +38,7 @@ import (

const (
// indexSuffixFormat is the date format that would be appended to the index name
indexSuffixFormat = "02-01-2006"
indexSuffixFormat = "2006-01-02" // YYYY-MM-DD
// awsService for the AWS client to authenticate against
awsService = "es"
)
Expand Down Expand Up @@ -68,11 +69,17 @@ func NewElasticSearch(c config.ElasticSearch) (Notifier, error) {

signer := v4.NewSigner(creds)
awsClient, err := aws_signing_client.New(signer, nil, awsService, c.AWSSigning.AWSRegion)

if err != nil {
return nil, err
}
elsClient, err = elastic.NewClient(elastic.SetURL(c.Server), elastic.SetScheme("https"), elastic.SetHttpClient(awsClient), elastic.SetSniff(false), elastic.SetHealthcheck(false), elastic.SetGzip(false))
elsClient, err = elastic.NewClient(
elastic.SetURL(c.Server),
elastic.SetScheme("https"),
elastic.SetHttpClient(awsClient),
elastic.SetSniff(false),
elastic.SetHealthcheck(false),
elastic.SetGzip(false),
)
if err != nil {
return nil, err
}
Expand Down Expand Up @@ -111,8 +118,10 @@ type index struct {
}

func (e *ElasticSearch) flushIndex(ctx context.Context, event interface{}) error {
// Construct the ELS Index Name with timestamp suffix
indexName := e.Index + "-" + time.Now().Format(indexSuffixFormat)
// Create index if not exists
exists, err := e.ELSClient.IndexExists(e.Index).Do(ctx)
exists, err := e.ELSClient.IndexExists(indexName).Do(ctx)
if err != nil {
log.Error(fmt.Sprintf("Failed to get index. Error:%s", err.Error()))
return err
Expand All @@ -127,25 +136,25 @@ func (e *ElasticSearch) flushIndex(ctx context.Context, event interface{}) error
},
},
}
_, err := e.ELSClient.CreateIndex(e.Index).BodyJson(mapping).Do(ctx)
_, err := e.ELSClient.CreateIndex(indexName).BodyJson(mapping).Do(ctx)
if err != nil {
log.Error(fmt.Sprintf("Failed to create index. Error:%s", err.Error()))
return err
}
}

// Send event to els
_, err = e.ELSClient.Index().Index(e.Index).Type(e.Type).BodyJson(event).Do(ctx)
_, err = e.ELSClient.Index().Index(indexName).Type(e.Type).BodyJson(event).Do(ctx)
if err != nil {
log.Error(fmt.Sprintf("Failed to post data to els. Error:%s", err.Error()))
return err
}
_, err = e.ELSClient.Flush().Index(e.Index).Do(ctx)
_, err = e.ELSClient.Flush().Index(indexName).Do(ctx)
if err != nil {
log.Error(fmt.Sprintf("Failed to flush data to els. Error:%s", err.Error()))
return err
}
log.Debugf("Event successfully sent to ElasticSearch index %s", e.Index)
log.Debugf("Event successfully sent to ElasticSearch index %s", indexName)
return nil
}

Expand All @@ -158,7 +167,6 @@ func (e *ElasticSearch) SendEvent(event events.Event) (err error) {
if err := e.flushIndex(ctx, event); err != nil {
return err
}

return nil
}

Expand Down