Vendor Microsoft/hcsshim with CGO removal

Signed-off-by: Paul "TBBle" Hampson <Paul.Hampson@Pobox.com>

vendor/github.com/Microsoft/hcsshim/hcn/hcnerrors.go

@@ -35,7 +35,7 @@ func checkForErrors(methodName string, hr error, resultBuffer *uint16) error {
 	}
 
 	if errorFound {
-		returnError := hcserror.New(hr, methodName, result)
+		returnError := new(hr, methodName, result)
 		logrus.Debugf(returnError.Error()) // HCN errors logged for debugging.
 		return returnError
 	}
@@ -43,6 +43,52 @@ func checkForErrors(methodName string, hr error, resultBuffer *uint16) error {
 	return nil
 }
 
+type ErrorCode uint32
+
+// For common errors, define the error as it is in windows, so we can quickly determine it later
+const (
+	ERROR_NOT_FOUND                     = 0x490
+	HCN_E_PORT_ALREADY_EXISTS ErrorCode = 0x803b0013
+)
+
+type HcnError struct {
+	*hcserror.HcsError
+	code ErrorCode
+}
+
+func (e *HcnError) Error() string {
+	return e.HcsError.Error()
+}
+
+func CheckErrorWithCode(err error, code ErrorCode) bool {
+	hcnError, ok := err.(*HcnError)
+	if ok {
+		return hcnError.code == code
+	}
+	return false
+}
+
+func IsElementNotFoundError(err error) bool {
+	return CheckErrorWithCode(err, ERROR_NOT_FOUND)
+}
+
+func IsPortAlreadyExistsError(err error) bool {
+	return CheckErrorWithCode(err, HCN_E_PORT_ALREADY_EXISTS)
+}
+
+func new(hr error, title string, rest string) error {
+	err := &HcnError{}
+	hcsError := hcserror.New(hr, title, rest)
+	err.HcsError = hcsError.(*hcserror.HcsError)
+	err.code = ErrorCode(hcserror.Win32FromError(hr))
+	return err
+}
+
+//
+// Note that the below errors are not errors returned by hcn itself
+// we wish to seperate them as they are shim usage error
+//
+
 // NetworkNotFoundError results from a failed seach for a network by Id or Name
 type NetworkNotFoundError struct {
 	NetworkName string
@@ -50,10 +96,10 @@ type NetworkNotFoundError struct {
 }
 
 func (e NetworkNotFoundError) Error() string {
-	if e.NetworkName == "" {
-		return fmt.Sprintf("Network Name %s not found", e.NetworkName)
+	if e.NetworkName != "" {
+		return fmt.Sprintf("Network name %q not found", e.NetworkName)
 	}
-	return fmt.Sprintf("Network Id %s not found", e.NetworkID)
+	return fmt.Sprintf("Network ID %q not found", e.NetworkID)
 }
 
 // EndpointNotFoundError results from a failed seach for an endpoint by Id or Name
@@ -63,10 +109,10 @@ type EndpointNotFoundError struct {
 }
 
 func (e EndpointNotFoundError) Error() string {
-	if e.EndpointName == "" {
-		return fmt.Sprintf("Endpoint Name %s not found", e.EndpointName)
+	if e.EndpointName != "" {
+		return fmt.Sprintf("Endpoint name %q not found", e.EndpointName)
 	}
-	return fmt.Sprintf("Endpoint Id %s not found", e.EndpointID)
+	return fmt.Sprintf("Endpoint ID %q not found", e.EndpointID)
 }
 
 // NamespaceNotFoundError results from a failed seach for a namsepace by Id
@@ -75,7 +121,7 @@ type NamespaceNotFoundError struct {
 }
 
 func (e NamespaceNotFoundError) Error() string {
-	return fmt.Sprintf("Namespace %s not found", e.NamespaceID)
+	return fmt.Sprintf("Namespace ID %q not found", e.NamespaceID)
 }
 
 // LoadBalancerNotFoundError results from a failed seach for a loadbalancer by Id
@@ -84,7 +130,7 @@ type LoadBalancerNotFoundError struct {
 }
 
 func (e LoadBalancerNotFoundError) Error() string {
-	return fmt.Sprintf("LoadBalancer %s not found", e.LoadBalancerId)
+	return fmt.Sprintf("LoadBalancer %q not found", e.LoadBalancerId)
 }
 
 // IsNotFoundError returns a boolean indicating whether the error was caused by