Move utils function Uint16SliceToStringSlice to shared lib

agent/api/ecsclient/client.go

@@ -33,6 +33,7 @@ import (
 	"github.com/aws/amazon-ecs-agent/ecs-agent/ecs_client/model/ecs"
 	"github.com/aws/amazon-ecs-agent/ecs-agent/httpclient"
 	"github.com/aws/amazon-ecs-agent/ecs-agent/logger"
+	commonutils "github.com/aws/amazon-ecs-agent/ecs-agent/utils"
 	"github.com/aws/amazon-ecs-agent/ecs-agent/utils/retry"
 
 	"github.com/aws/aws-sdk-go/aws"
@@ -322,12 +323,12 @@ func (client *APIECSClient) getResources() ([]*ecs.Resource, error) {
 	portResource := ecs.Resource{
 		Name:           utils.Strptr("PORTS"),
 		Type:           utils.Strptr("STRINGSET"),
-		StringSetValue: utils.Uint16SliceToStringSlice(client.config.ReservedPorts),
+		StringSetValue: commonutils.Uint16SliceToStringSlice(client.config.ReservedPorts),
 	}
 	udpPortResource := ecs.Resource{
 		Name:           utils.Strptr("PORTS_UDP"),
 		Type:           utils.Strptr("STRINGSET"),
-		StringSetValue: utils.Uint16SliceToStringSlice(client.config.ReservedPortsUDP),
+		StringSetValue: commonutils.Uint16SliceToStringSlice(client.config.ReservedPortsUDP),
 	}
 
 	return []*ecs.Resource{&cpuResource, &memResource, &portResource, &udpPortResource}, nil

agent/api/task/task.go

@@ -50,6 +50,7 @@ import (
 	"github.com/aws/amazon-ecs-agent/ecs-agent/logger/field"
 	nlappmesh "github.com/aws/amazon-ecs-agent/ecs-agent/netlib/model/appmesh"
 	ni "github.com/aws/amazon-ecs-agent/ecs-agent/netlib/model/networkinterface"
+	commonutils "github.com/aws/amazon-ecs-agent/ecs-agent/utils"
 	"github.com/aws/amazon-ecs-agent/ecs-agent/utils/arn"
 	"github.com/aws/amazon-ecs-agent/ecs-agent/utils/ttime"
 
@@ -3649,12 +3650,12 @@ func (task *Task) ToHostResources() map[string]*ecs.Resource {
 	resources["PORTS_TCP"] = &ecs.Resource{
 		Name:           utils.Strptr("PORTS_TCP"),
 		Type:           utils.Strptr("STRINGSET"),
-		StringSetValue: utils.Uint16SliceToStringSlice(tcpPortSet),
+		StringSetValue: commonutils.Uint16SliceToStringSlice(tcpPortSet),
 	}
 	resources["PORTS_UDP"] = &ecs.Resource{
 		Name:           utils.Strptr("PORTS_UDP"),
 		Type:           utils.Strptr("STRINGSET"),
-		StringSetValue: utils.Uint16SliceToStringSlice(udpPortSet),
+		StringSetValue: commonutils.Uint16SliceToStringSlice(udpPortSet),
 	}
 
 	// GPU

agent/api/task/task_test.go

@@ -55,6 +55,7 @@ import (
 	mock_credentials "github.com/aws/amazon-ecs-agent/ecs-agent/credentials/mocks"
 	"github.com/aws/amazon-ecs-agent/ecs-agent/ecs_client/model/ecs"
 	ni "github.com/aws/amazon-ecs-agent/ecs-agent/netlib/model/networkinterface"
+	commonutils "github.com/aws/amazon-ecs-agent/ecs-agent/utils"
 	"github.com/aws/aws-sdk-go/service/secretsmanager"
 
 	"github.com/aws/amazon-ecs-agent/agent/taskresource/asmsecret"
@@ -5178,7 +5179,7 @@ func TestToHostResources(t *testing.T) {
 		},
 		{
 			task:              testTask4,
-			expectedResources: getTestTaskResourceMap(int64(1024), int64(512), utils.Uint16SliceToStringSlice(portsTCP), utils.Uint16SliceToStringSlice(portsUDP), []*string{}),
+			expectedResources: getTestTaskResourceMap(int64(1024), int64(512), commonutils.Uint16SliceToStringSlice(portsTCP), commonutils.Uint16SliceToStringSlice(portsUDP), []*string{}),
 		},
 		{
 			task:              testTask5,

agent/engine/host_resource_manager_test.go

@@ -21,6 +21,7 @@ import (
 
 	"github.com/aws/amazon-ecs-agent/agent/utils"
 	"github.com/aws/amazon-ecs-agent/ecs-agent/ecs_client/model/ecs"
+	commonutils "github.com/aws/amazon-ecs-agent/ecs-agent/utils"
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/stretchr/testify/assert"
 )
@@ -231,7 +232,7 @@ func TestConsumable(t *testing.T) {
 	}
 
 	for _, tc := range testCases {
-		resources := getTestTaskResourceMap(tc.cpu, tc.mem, utils.Uint16SliceToStringSlice(tc.ports), utils.Uint16SliceToStringSlice(tc.portsUdp), aws.StringSlice(tc.gpus))
+		resources := getTestTaskResourceMap(tc.cpu, tc.mem, commonutils.Uint16SliceToStringSlice(tc.ports), commonutils.Uint16SliceToStringSlice(tc.portsUdp), aws.StringSlice(tc.gpus))
 		canBeConsumed, err := h.consumable(resources)
 		assert.Equal(t, canBeConsumed, tc.canBeConsumed, "Error in checking if resources can be successfully consumed")
 		assert.Equal(t, err, nil, "Error in checking if resources can be successfully consumed, error returned from consumable")
@@ -244,7 +245,7 @@ func TestResourceHealthTrue(t *testing.T) {
 	gpuIDs := []string{"gpu1", "gpu2", "gpu3", "gpu4"}
 	h := getTestHostResourceManager(int64(2048), int64(2048), []*string{&hostResourcePort1}, []*string{&hostResourcePort2}, aws.StringSlice(gpuIDs))
 
-	resources := getTestTaskResourceMap(1024, 1024, utils.Uint16SliceToStringSlice([]uint16{22}), utils.Uint16SliceToStringSlice([]uint16{1000}), aws.StringSlice([]string{"gpu1", "gpu2"}))
+	resources := getTestTaskResourceMap(1024, 1024, commonutils.Uint16SliceToStringSlice([]uint16{22}), commonutils.Uint16SliceToStringSlice([]uint16{1000}), aws.StringSlice([]string{"gpu1", "gpu2"}))
 	err := h.checkResourcesHealth(resources)
 	assert.NoError(t, err, "Error in checking healthy resource map status")
 }
@@ -256,7 +257,7 @@ func TestResourceHealthGPUFalse(t *testing.T) {
 	gpuIDs := []string{"gpu1", "gpu2", "gpu3", "gpu4"}
 	h := getTestHostResourceManager(int64(2048), int64(2048), []*string{&hostResourcePort1}, []*string{&hostResourcePort2}, aws.StringSlice(gpuIDs))
 
-	resources := getTestTaskResourceMap(1024, 1024, utils.Uint16SliceToStringSlice([]uint16{22}), utils.Uint16SliceToStringSlice([]uint16{1000}), aws.StringSlice([]string{"gpu1", "gpu5"}))
+	resources := getTestTaskResourceMap(1024, 1024, commonutils.Uint16SliceToStringSlice([]uint16{22}), commonutils.Uint16SliceToStringSlice([]uint16{1000}), aws.StringSlice([]string{"gpu1", "gpu5"}))
 	err := h.checkResourcesHealth(resources)
 	assert.Error(t, err, "Error in checking unhealthy resource map status")
 }

agent/utils/utils.go

@@ -98,17 +98,6 @@ func BoolPtr(b bool) *bool {
 	return &b
 }
 
-// Uint16SliceToStringSlice converts a slice of type uint16 to a slice of type
-// *string. It uses strconv.Itoa on each element
-func Uint16SliceToStringSlice(slice []uint16) []*string {
-	stringSlice := make([]*string, len(slice))
-	for i, el := range slice {
-		str := strconv.Itoa(int(el))
-		stringSlice[i] = &str
-	}
-	return stringSlice
-}
-
 func StrSliceEqual(s1, s2 []string) bool {
 	if len(s1) != len(s2) {
 		return false

ecs-agent/utils/utils.go

@@ -12,7 +12,10 @@
 // permissions and limitations under the License.
 package utils
 
-import "reflect"
+import (
+	"reflect"
+	"strconv"
+)
 
 func ZeroOrNil(obj interface{}) bool {
 	value := reflect.ValueOf(obj)
@@ -35,3 +38,14 @@ func ZeroOrNil(obj interface{}) bool {
 	}
 	return false
 }
+
+// Uint16SliceToStringSlice converts a slice of type uint16 to a slice of type
+// *string. It uses strconv.Itoa on each element
+func Uint16SliceToStringSlice(slice []uint16) []*string {
+	stringSlice := make([]*string, len(slice))
+	for i, el := range slice {
+		str := strconv.Itoa(int(el))
+		stringSlice[i] = &str
+	}
+	return stringSlice
+}

ecs-agent/utils/utils_test.go

@@ -13,6 +13,7 @@
 package utils
 
 import (
+	"strconv"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -59,3 +60,32 @@ func TestZeroOrNil(t *testing.T) {
 	}
 
 }
+
+// TestUint16SliceToStringSlice tests the utils method Uint16SliceToStringSlice
+// By taking in a slice of untyped 16 bit ints, asserting the util function
+// returns the correct size of array, and asserts their equality.
+// This is done by re-converting the string into a uint16.
+func TestUint16SliceToStringSlice(t *testing.T) {
+	testCases := []struct {
+		param    []uint16
+		expected int
+		name     string
+	}{
+		{nil, 0, "Nil argument"},
+		{[]uint16{0, 1, 2, 3}, 4, "Basic set"},
+		{[]uint16{65535, 65535}, 2, "Max Value"},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			output := Uint16SliceToStringSlice(tc.param)
+			assert.Equal(t, tc.expected, len(output), tc.name)
+			for idx, num := range tc.param {
+				reconverted, err := strconv.Atoi(*output[idx])
+				assert.NoError(t, err)
+				assert.Equal(t, num, uint16(reconverted))
+			}
+
+		})
+	}
+}