vendor: update buildkit to 539be170

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

vendor/go.opentelemetry.io/otel/sdk/resource/os.go

@@ -18,23 +18,80 @@ import (
 	"context"
 	"strings"
 
+	"go.opentelemetry.io/otel/attribute"
 	semconv "go.opentelemetry.io/otel/semconv/v1.4.0"
 )
 
+type osDescriptionProvider func() (string, error)
+
+var defaultOSDescriptionProvider osDescriptionProvider = platformOSDescription
+
+var osDescription = defaultOSDescriptionProvider
+
+func setDefaultOSDescriptionProvider() {
+	setOSDescriptionProvider(defaultOSDescriptionProvider)
+}
+
+func setOSDescriptionProvider(osDescriptionProvider osDescriptionProvider) {
+	osDescription = osDescriptionProvider
+}
+
 type osTypeDetector struct{}
+type osDescriptionDetector struct{}
 
 // Detect returns a *Resource that describes the operating system type the
 // service is running on.
 func (osTypeDetector) Detect(ctx context.Context) (*Resource, error) {
 	osType := runtimeOS()
 
+	osTypeAttribute := mapRuntimeOSToSemconvOSType(osType)
+
 	return NewWithAttributes(
 		semconv.SchemaURL,
-		semconv.OSTypeKey.String(strings.ToLower(osType)),
+		osTypeAttribute,
 	), nil
 }
 
-// WithOSType adds an attribute with the operating system type to the configured Resource.
-func WithOSType() Option {
-	return WithDetectors(osTypeDetector{})
+// Detect returns a *Resource that describes the operating system the
+// service is running on.
+func (osDescriptionDetector) Detect(ctx context.Context) (*Resource, error) {
+	description, err := osDescription()
+
+	if err != nil {
+		return nil, err
+	}
+
+	return NewWithAttributes(
+		semconv.SchemaURL,
+		semconv.OSDescriptionKey.String(description),
+	), nil
+}
+
+// mapRuntimeOSToSemconvOSType translates the OS name as provided by the Go runtime
+// into an OS type attribute with the corresponding value defined by the semantic
+// conventions. In case the provided OS name isn't mapped, it's transformed to lowercase
+// and used as the value for the returned OS type attribute.
+func mapRuntimeOSToSemconvOSType(osType string) attribute.KeyValue {
+	// the elements in this map are the intersection between
+	// available GOOS values and defined semconv OS types
+	osTypeAttributeMap := map[string]attribute.KeyValue{
+		"darwin":    semconv.OSTypeDarwin,
+		"dragonfly": semconv.OSTypeDragonflyBSD,
+		"freebsd":   semconv.OSTypeFreeBSD,
+		"linux":     semconv.OSTypeLinux,
+		"netbsd":    semconv.OSTypeNetBSD,
+		"openbsd":   semconv.OSTypeOpenBSD,
+		"solaris":   semconv.OSTypeSolaris,
+		"windows":   semconv.OSTypeWindows,
+	}
+
+	var osTypeAttribute attribute.KeyValue
+
+	if attr, ok := osTypeAttributeMap[osType]; ok {
+		osTypeAttribute = attr
+	} else {
+		osTypeAttribute = semconv.OSTypeKey.String(strings.ToLower(osType))
+	}
+
+	return osTypeAttribute
 }