Merge pull request #13 from throw-if-null/feature/T000-2-otel-init

T000-2: add OpenTelemetry init package

Author: MirzaMerdovic

cmd/molecular/main.go

@@ -12,11 +12,16 @@ import (
 	"path/filepath"
 	"time"
 
+	"github.com/joho/godotenv"
 	"github.com/throw-if-null/molecular/internal/api"
 	"github.com/throw-if-null/molecular/internal/version"
 )
 
 func main() {
+	if err := godotenv.Load(); err != nil {
+		fmt.Fprintf(os.Stderr, "warning: loading .env: %v\n", err)
+	}
+
 	client := &http.Client{Timeout: 30 * time.Second}
 	baseURL := fmt.Sprintf("http://%s:%d", api.DefaultHost, api.DefaultPort)
 	os.Exit(run(os.Args[1:], client, baseURL, os.Stdout, os.Stderr))

go.mod

@@ -1,3 +1,28 @@
 module github.com/throw-if-null/molecular
 
 go 1.24.0
+
+require (
+	github.com/joho/godotenv v1.5.1
+	go.opentelemetry.io/otel v1.13.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.13.0
+	go.opentelemetry.io/otel/sdk v1.13.0
+)
+
+require (
+	github.com/cenkalti/backoff/v4 v4.2.0 // indirect
+	github.com/go-logr/logr v1.2.3 // indirect
+	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.7.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.13.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.13.0 // indirect
+	go.opentelemetry.io/otel/trace v1.13.0 // indirect
+	go.opentelemetry.io/proto/otlp v0.19.0 // indirect
+	golang.org/x/net v0.4.0 // indirect
+	golang.org/x/sys v0.3.0 // indirect
+	golang.org/x/text v0.5.0 // indirect
+	google.golang.org/genproto v0.0.0-20221118155620-16455021b5e6 // indirect
+	google.golang.org/grpc v1.52.3 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
+)