only check for containerpath

Signed-off-by: Venky Natham <vrnatham@amazon.com>

cli/command/container/opts.go

@@ -6,7 +6,6 @@ import (
 	"fmt"
 	"io/ioutil"
 	"path"
-	"path/filepath"
 	"reflect"
 	"regexp"
 	"strconv"
@@ -434,19 +433,19 @@ func parse(flags *pflag.FlagSet, copts *containerOptions, serverOS string) (*con
 	deviceMappings := []container.DeviceMapping{}
 	for _, device := range copts.devices.GetAll() {
 		var (
-			validated            string
-			parsedDeviceMappings []container.DeviceMapping
-			err                  error
+			validated     string
+			deviceMapping container.DeviceMapping
+			err           error
 		)
 		validated, err = validateDevice(device, serverOS)
 		if err != nil {
 			return nil, err
 		}
-		parsedDeviceMappings, err = parseDevice(validated, serverOS)
+		deviceMapping, err = parseDevice(validated, serverOS)
 		if err != nil {
 			return nil, err
 		}
-		deviceMappings = append(deviceMappings, parsedDeviceMappings...)
+		deviceMappings = append(deviceMappings, deviceMapping)
 	}
 
 	// collect all the environment variables for the container
@@ -895,21 +894,19 @@ func parseStorageOpts(storageOpts []string) (map[string]string, error) {
 }
 
 // parseDevice parses a device mapping string to a container.DeviceMapping struct
-func parseDevice(device, serverOS string) ([]container.DeviceMapping, error) {
-	var deviceMappings []container.DeviceMapping
+func parseDevice(device, serverOS string) (container.DeviceMapping, error) {
 	switch serverOS {
 	case "linux":
 		return parseLinuxDevice(device)
 	case "windows":
 		return parseWindowsDevice(device)
 	}
-	return append(deviceMappings, container.DeviceMapping{}), errors.Errorf("unknown server OS: %s", serverOS)
+	return container.DeviceMapping{}, errors.Errorf("unknown server OS: %s", serverOS)
 }
 
 // parseLinuxDevice parses a device mapping string to a container.DeviceMapping struct
 // knowing that the target is a Linux daemon
-func parseLinuxDevice(device string) ([]container.DeviceMapping, error) {
-	var deviceMappings []container.DeviceMapping
+func parseLinuxDevice(device string) (container.DeviceMapping, error) {
 	src := ""
 	dst := ""
 	permissions := "rwm"
@@ -929,44 +926,29 @@ func parseLinuxDevice(device string) ([]container.DeviceMapping, error) {
 		src = arr[0]
 		if strings.HasSuffix(src, "*") {
 			if dst != "" {
-				return deviceMappings, errors.Errorf("device with * suffix can't have dst: %s", device)
+				return container.DeviceMapping{}, errors.Errorf("device with * suffix can't have dst: %s", device)
 			}
 		}
 	default:
-		return deviceMappings, errors.Errorf("invalid device specification: %s", device)
+		return container.DeviceMapping{}, errors.Errorf("invalid device specification: %s", device)
 	}
 
-	if strings.HasSuffix(src, "*") {
-		devicePaths, _ := filepath.Glob(src)
-		for _, devicePath := range devicePaths {
-			deviceMapping := container.DeviceMapping{
-				PathOnHost:        devicePath,
-				PathInContainer:   devicePath,
-				CgroupPermissions: permissions,
-			}
-			deviceMappings = append(deviceMappings, deviceMapping)
-		}
-
-	} else {
-		if dst == "" {
-			dst = src
-		}
-
-		deviceMapping := container.DeviceMapping{
-			PathOnHost:        src,
-			PathInContainer:   dst,
-			CgroupPermissions: permissions,
-		}
-		deviceMappings = append(deviceMappings, deviceMapping)
+	if dst == "" {
+		dst = src
 	}
-	return deviceMappings, nil
+
+	deviceMapping := container.DeviceMapping{
+		PathOnHost:        src,
+		PathInContainer:   dst,
+		CgroupPermissions: permissions,
+	}
+	return deviceMapping, nil
 }
 
 // parseWindowsDevice parses a device mapping string to a container.DeviceMapping struct
 // knowing that the target is a Windows daemon
-func parseWindowsDevice(device string) ([]container.DeviceMapping, error) {
-	var deviceMappings []container.DeviceMapping
-	return append(deviceMappings, container.DeviceMapping{PathOnHost: device}), nil
+func parseWindowsDevice(device string) (container.DeviceMapping, error) {
+	return container.DeviceMapping{PathOnHost: device}, nil
 }
 
 // validateDeviceCgroupRule validates a device cgroup rule string format