wasilak/notes-manager

package common
 
import (
    "context"
    "os"
    "runtime/debug"
 
    "go.opentelemetry.io/otel"
    "go.opentelemetry.io/otel/codes"
    "go.opentelemetry.io/otel/sdk/metric"
    "go.opentelemetry.io/otel/trace"
)
 
var (
    Version       string
    CTX           context.Context
    TracerCmd     = otel.Tracer(GetAppName())
    TracerWeb     = otel.Tracer(GetAppName())
    MeterProvider = metric.NewMeterProvider()
)
 
func getGitRevision() string {
    if info, ok := debug.ReadBuildInfo(); ok {
        for _, setting := range info.Settings {
            if setting.Key == "vcs.revision" {
                return setting.Value
            }
        }
    }
    return ""
}
 
func GetVersion() string {
    if Version != "" {
        return Version
    }
 
    return getGitRevision()
}
 
func HandleError(ctx context.Context, err error) {
    span := trace.SpanFromContext(ctx)
    span.SetStatus(codes.Error, err.Error())
    span.RecordError(err)
}
 
func GetAppName() string {
    appName := os.Getenv("OTEL_SERVICE_NAME")
    if appName == "" {
        appName = os.Getenv("APP_NAME")
        if appName == "" {
            appName = "notes-manager"
        }
    }
    return appName
}