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Merge pull request #9 from ChainSafe/mpetrun5/lotus-extended-tracer
Lotus extended pubsub tracer
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| package dtypes | ||
|
|
||
| type JsonTracer string | ||
| type ElasticSearchTracer string | ||
| type TracerSourceAuth string |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| package tracer | ||
|
|
||
| import ( | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "net/url" | ||
| "strings" | ||
|
|
||
| "github.com/elastic/go-elasticsearch/v7" | ||
| "github.com/elastic/go-elasticsearch/v7/esapi" | ||
| ) | ||
|
|
||
| const ( | ||
| ElasticSearch_INDEX_DEFAULT = "lotus-pubsub" | ||
| ) | ||
|
|
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| func NewElasticSearchTransport(connectionString string, elasticsearchIndex string) (TracerTransport, error) { | ||
| conUrl, err := url.Parse(connectionString) | ||
|
|
||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| username := conUrl.User.Username() | ||
| password, _ := conUrl.User.Password() | ||
| cfg := elasticsearch.Config{ | ||
| Addresses: []string{ | ||
| conUrl.Scheme + "://" + conUrl.Host, | ||
| }, | ||
| Username: username, | ||
| Password: password, | ||
| } | ||
|
|
||
| es, err := elasticsearch.NewClient(cfg) | ||
|
|
||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
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| var esIndex string | ||
| if elasticsearchIndex != "" { | ||
| esIndex = elasticsearchIndex | ||
| } else { | ||
| esIndex = ElasticSearch_INDEX_DEFAULT | ||
| } | ||
|
|
||
| return &elasticSearchTransport{ | ||
| cl: es, | ||
| esIndex: esIndex, | ||
| }, nil | ||
| } | ||
|
|
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| type elasticSearchTransport struct { | ||
| cl *elasticsearch.Client | ||
| esIndex string | ||
| } | ||
|
|
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| func (est *elasticSearchTransport) Transport(evt TracerTransportEvent) error { | ||
| var e interface{} | ||
|
|
||
| if evt.lotusTraceEvent != nil { | ||
| e = *evt.lotusTraceEvent | ||
| } else if evt.pubsubTraceEvent != nil { | ||
| e = *evt.pubsubTraceEvent | ||
| } else { | ||
| return nil | ||
| } | ||
|
|
||
| jsonEvt, err := json.Marshal(e) | ||
| if err != nil { | ||
| return fmt.Errorf("error while marshaling event: %s", err) | ||
| } | ||
|
|
||
| req := esapi.IndexRequest{ | ||
| Index: est.esIndex, | ||
| Body: strings.NewReader(string(jsonEvt)), | ||
| Refresh: "true", | ||
| } | ||
|
|
||
| // Perform the request with the client. | ||
| res, err := req.Do(context.Background(), est.cl) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer res.Body.Close() | ||
|
|
||
| if res.IsError() { | ||
| return fmt.Errorf("[%s] Error indexing document ID=%s", res.Status(), req.DocumentID) | ||
| } | ||
| return nil | ||
| } |
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