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feat: change otlp bridge to send to meteroid #8

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3 changes: 2 additions & 1 deletion src/otlp-bridge/go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ module github.com/sdsc-vllm/otlp-bridge
go 1.24.0

require (
github.com/google/uuid v1.6.0
go.opentelemetry.io/proto/otlp v1.10.0
google.golang.org/grpc v1.79.2
)
Expand All @@ -15,4 +16,4 @@ require (
google.golang.org/genproto/googleapis/api v0.0.0-20260209200024-4cfbd4190f57 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20260209200024-4cfbd4190f57 // indirect
google.golang.org/protobuf v1.36.11 // indirect
)
)
79 changes: 28 additions & 51 deletions src/otlp-bridge/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -12,10 +12,10 @@ import (
"os"
"os/signal"
"strconv"
"strings"
"syscall"
"time"

"github.com/google/uuid"
"google.golang.org/grpc"

logspb "go.opentelemetry.io/proto/otlp/collector/logs/v1"
Expand All @@ -33,18 +33,20 @@ type Config struct {
CustomerID string
}

// LagoEvent maps to the Lago Event schema for ingestion
type LagoEvent struct {
TransactionID string `json:"transaction_id"`
ExternalSubscriptionID string `json:"external_subscription_id"`
Code string `json:"code"`
Timestamp int64 `json:"timestamp"`
Properties map[string]interface{} `json:"properties,omitempty"`
// MeteroidEvent maps to the Meteroid Event schema for ingestion
type MeteroidEvent struct {
EventID string `json:"event_id"`
Code string `json:"code"`
CustomerID string `json:"customer_id"`
Timestamp string `json:"timestamp"`
Properties map[string]string `json:"properties,omitempty"`
}

// LagoIngestRequest maps to the Lago Event ingestion request
type LagoIngestRequest struct {
Event LagoEvent `json:"event"`
// IngestEventsRequest maps to the Meteroid IngestEventsRequest schema
type IngestEventsRequest struct {
Events []MeteroidEvent `json:"events"`
AllowBackfilling *bool `json:"allow_backfilling,omitempty"`
AllowPartialFailures *bool `json:"allow_partial_failures,omitempty"`
}

type server struct {
Expand Down Expand Up @@ -118,7 +120,7 @@ func (s *server) processLogRecord(ctx context.Context, lr *logsrc.LogRecord) err
}

// Build properties from OTLP attributes
properties := make(map[string]interface{})
properties := make(map[string]string)
if method != "" {
properties["method"] = method
}
Expand Down Expand Up @@ -162,32 +164,14 @@ func (s *server) processLogRecord(ctx context.Context, lr *logsrc.LogRecord) err
properties["gen_ai.usage.total_tokens"] = genAIUsageTotal
}

// Generate structured transaction ID: {type}_{date}_{customer}_{category}_{request_id}
// Example: genai_20240314_cust42_gpt4_x-request-id-123
dateStr := time.Now().UTC().Format("20060102")
modelSlug := "unknown"
if genAIRequestModel != "" {
modelSlug = genAIRequestModel
} else if genAIResponseModel != "" {
modelSlug = genAIResponseModel
}
txnID := fmt.Sprintf("genai_%s_%s_%s_%s", dateStr, customerId, modelSlug, xRequestID)

// Use the log record's timestamp if available, otherwise use current time
var timestamp int64
if lr.GetTimeUnixNano() > 0 {
timestamp = int64(lr.GetTimeUnixNano() / 1000000000) // convert nanoseconds to seconds
} else {
timestamp = time.Now().UTC().Unix()
}

// Build the Lago event
event := LagoEvent{
TransactionID: txnID,
ExternalSubscriptionID: customerId,
Code: metricCode,
Timestamp: timestamp,
Properties: properties,
// Build the Meteroid event
now := time.Now().UTC().Format(time.RFC3339)
event := MeteroidEvent{
EventID: uuid.New().String(),
Code: metricCode,
CustomerID: customerId,
Timestamp: now,
Properties: properties,
}

return s.sendWithRetry(ctx, event)
Expand Down Expand Up @@ -218,7 +202,7 @@ func AnyValueToString(av *commonv1.AnyValue) string {
}
}

func (s *server) sendWithRetry(ctx context.Context, event LagoEvent) error {
func (s *server) sendWithRetry(ctx context.Context, event MeteroidEvent) error {
var err error
for i := 0; i <= s.config.MaxRetries; i++ {
if i > 0 {
Expand All @@ -230,28 +214,21 @@ func (s *server) sendWithRetry(ctx context.Context, event LagoEvent) error {
if err == nil {
return nil
}

// Check if it's a 429 rate limit error - use backoff
if strings.Contains(err.Error(), "status 429") {
backoff := time.Duration(i+1) * time.Duration(s.config.RetryWaitSeconds) * time.Second
log.Printf("Rate limited, backing off for %v before retry", backoff)
time.Sleep(backoff)
}
}
return fmt.Errorf("failed to send event after %d retries: %w", s.config.MaxRetries, err)
}

func (s *server) sendEvent(ctx context.Context, event LagoEvent) error {
reqBody := LagoIngestRequest{
Event: event,
func (s *server) sendEvent(ctx context.Context, event MeteroidEvent) error {
reqBody := IngestEventsRequest{
Events: []MeteroidEvent{event},
}

body, err := json.Marshal(reqBody)
if err != nil {
return fmt.Errorf("failed to marshal request: %w", err)
}

url := fmt.Sprintf("%s/api/v1/events", s.config.RemoteAPIURL)
url := fmt.Sprintf("%s/api/v1/events/ingest", s.config.RemoteAPIURL)
req, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(body))
if err != nil {
return fmt.Errorf("failed to create request: %w", err)
Expand All @@ -274,7 +251,7 @@ func (s *server) sendEvent(ctx context.Context, event LagoEvent) error {
return fmt.Errorf("remote API returned status %d: %s", resp.StatusCode, string(respBody))
}

log.Printf("Successfully ingested event: transaction_id=%s external_subscription_id=%s", event.TransactionID, event.ExternalSubscriptionID)
log.Printf("Successfully ingested event: event_id=%s customer_id=%s", event.EventID, event.CustomerID)
return nil
}

Expand Down
2 changes: 1 addition & 1 deletion templates/otlp-bridge/configmap.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -7,5 +7,5 @@ metadata:
labels:
release: {{ .Release.Name }}
data:
remote-api-url: {{ .Values.envoy.telemetry.lagoUrl | quote }}
remote-api-url: {{ .Values.envoy.telemetry.meteroidUrl | quote }}
{{- end }}
8 changes: 4 additions & 4 deletions values.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -15,13 +15,13 @@ envoy:
resources:
telemetry:
enabled: false
# Lago API endpoint for event ingestion (required when telemetry is enabled)
lagoUrl: ""
# Meteroid API endpoint for event ingestion (required when telemetry is enabled)
meteroidUrl: ""
# Billable metric code for ingested events (default: genai.tokens)
metricCode: ""
# Fixed Lago customer ID for all ingested events
# Fixed Meteroid customer ID for all ingested events
customerId: ""
# Bearer token for authenticating with Lago (always required when telemetry is enabled)
# Bearer token for authenticating with Meteroid (always required when telemetry is enabled)
bearerToken: ""
# OTLP receiver container settings
image:
Expand Down
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