mi: replace all WMI calls with MI calls (#1714)

internal/utils/collector.go

@@ -35,3 +35,11 @@ func PDHEnabled() bool {
 
 	return false
 }
+
+func MIEnabled() bool {
+	if v, ok := os.LookupEnv("WINDOWS_EXPORTER_WMI_ENGINE"); ok && v == "mi" {
+		return true
+	}
+
+	return false
+}

internal/utils/utils.go

@@ -17,3 +17,14 @@ func BoolToFloat(b bool) float64 {
 func ToPTR[t any](v t) *t {
 	return &v
 }
+
+// Must panics if the error is not nil.
+//
+//nolint:ireturn
+func Must[T any](v T, err error) T {
+	if err != nil {
+		panic(err)
+	}
+
+	return v
+}