ParseOrDie -> MustParse; stop returning pointer

pkg/api/resource/quantity.go

@@ -102,14 +102,14 @@ const (
 	DecimalSI       = Format("DecimalSI")       // e.g., 12M  (12 * 10^6)
 )
 
-// ParseOrDie turns the given string into a quantity or panics; for tests
+// MustParse turns the given string into a quantity or panics; for tests
 // or others cases where you know the string is valid.
-func ParseOrDie(str string) *Quantity {
+func MustParse(str string) Quantity {
 	q, err := ParseQuantity(str)
 	if err != nil {
 		panic(fmt.Errorf("cannot parse '%v': %v", str, err))
 	}
-	return q
+	return *q
 }
 
 const (
@@ -403,10 +403,7 @@ func (qf qFlag) String() string {
 // QuantityFlag is a helper that makes a quantity flag (using standard flag package).
 // Will panic if defaultValue is not a valid quantity.
 func QuantityFlag(flagName, defaultValue, description string) *Quantity {
-	q, err := ParseQuantity(defaultValue)
-	if err != nil {
-		panic(fmt.Errorf("can't use %v as a quantity: %v", defaultValue, err))
-	}
-	flag.Var(qFlag{q}, flagName, description)
-	return q
+	q := MustParse(defaultValue)
+	flag.Var(qFlag{&q}, flagName, description)
+	return &q
 }

pkg/api/resource/quantity_example_test.go

@@ -38,17 +38,17 @@ func ExampleFormat() {
 	// cores = 5300m
 }
 
-func ExampleParseOrDie() {
-	memorySize := resource.ParseOrDie("5Gi")
+func ExampleMustParse() {
+	memorySize := resource.MustParse("5Gi")
 	fmt.Printf("memorySize = %v (%v)\n", memorySize.Value(), memorySize.Format)
 
-	diskSize := resource.ParseOrDie("5G")
+	diskSize := resource.MustParse("5G")
 	fmt.Printf("diskSize = %v (%v)\n", diskSize.Value(), diskSize.Format)
 
-	cores := resource.ParseOrDie("5300m")
+	cores := resource.MustParse("5300m")
 	fmt.Printf("milliCores = %v (%v)\n", cores.MilliValue(), cores.Format)
 
-	cores2 := resource.ParseOrDie("5.4")
+	cores2 := resource.MustParse("5.4")
 	fmt.Printf("milliCores = %v (%v)\n", cores2.MilliValue(), cores2.Format)
 
 	// Output:

pkg/api/validation/validation_test.go

@@ -373,8 +373,8 @@ func TestValidateManifest(t *testing.T) {
 					Image:      "image",
 					Command:    []string{"foo", "bar"},
 					WorkingDir: "/tmp",
-					Memory:     *resource.Q("1"),
-					CPU:        *resource.Q("1"),
+					Memory:     resource.MustParse("1"),
+					CPU:        resource.MustParse("1"),
 					Ports: []api.Port{
 						{Name: "p1", ContainerPort: 80, HostPort: 8080},
 						{Name: "p2", ContainerPort: 81},
@@ -624,7 +624,7 @@ func TestValidatePodUpdate(t *testing.T) {
 					Containers: []api.Container{
 						{
 							Image: "foo:V1",
-							CPU:   *resource.Q("100m"),
+							CPU:   resource.MustParse("100m"),
 						},
 					},
 				},
@@ -635,7 +635,7 @@ func TestValidatePodUpdate(t *testing.T) {
 					Containers: []api.Container{
 						{
 							Image: "foo:V2",
-							CPU:   *resource.Q("1000m"),
+							CPU:   resource.MustParse("1000m"),
 						},
 					},
 				},
@@ -1301,8 +1301,8 @@ func TestValidateMinionUpdate(t *testing.T) {
 			},
 			Spec: api.NodeSpec{
 				Capacity: api.ResourceList{
-					api.ResourceCPU:    *resource.Q("10000"),
-					api.ResourceMemory: *resource.Q("100"),
+					api.ResourceCPU:    resource.MustParse("10000"),
+					api.ResourceMemory: resource.MustParse("100"),
 				},
 			},
 		}, api.Node{
@@ -1311,8 +1311,8 @@ func TestValidateMinionUpdate(t *testing.T) {
 			},
 			Spec: api.NodeSpec{
 				Capacity: api.ResourceList{
-					api.ResourceCPU:    *resource.Q("100"),
-					api.ResourceMemory: *resource.Q("10000"),
+					api.ResourceCPU:    resource.MustParse("100"),
+					api.ResourceMemory: resource.MustParse("10000"),
 				},
 			},
 		}, true},
@@ -1323,8 +1323,8 @@ func TestValidateMinionUpdate(t *testing.T) {
 			},
 			Spec: api.NodeSpec{
 				Capacity: api.ResourceList{
-					api.ResourceCPU:    *resource.Q("10000"),
-					api.ResourceMemory: *resource.Q("100"),
+					api.ResourceCPU:    resource.MustParse("10000"),
+					api.ResourceMemory: resource.MustParse("100"),
 				},
 			},
 		}, api.Node{
@@ -1334,8 +1334,8 @@ func TestValidateMinionUpdate(t *testing.T) {
 			},
 			Spec: api.NodeSpec{
 				Capacity: api.ResourceList{
-					api.ResourceCPU:    *resource.Q("100"),
-					api.ResourceMemory: *resource.Q("10000"),
+					api.ResourceCPU:    resource.MustParse("100"),
+					api.ResourceMemory: resource.MustParse("10000"),
 				},
 			},
 		}, true},

pkg/client/client_test.go

@@ -734,8 +734,8 @@ func TestCreateMinion(t *testing.T) {
 		},
 		Spec: api.NodeSpec{
 			Capacity: api.ResourceList{
-				api.ResourceCPU:    *resource.Q("1000m"),
-				api.ResourceMemory: *resource.Q("1Mi"),
+				api.ResourceCPU:    resource.MustParse("1000m"),
+				api.ResourceMemory: resource.MustParse("1Mi"),
 			},
 		},
 	}

pkg/cloudprovider/openstack/openstack.go

@@ -170,10 +170,10 @@ func (os *OpenStack) Instances() (cloudprovider.Instances, bool) {
 			rsrc := api.NodeResources{
 				Capacity: api.ResourceList{
 					api.ResourceCPU:            *resource.NewMilliQuantity(int64(flavor.VCPUs*1000), resource.DecimalSI),
-					api.ResourceMemory:         *resource.Q(fmt.Sprintf("%dMi", flavor.RAM)),
-					"openstack.org/disk":       *resource.Q(fmt.Sprintf("%dG", flavor.Disk)),
+					api.ResourceMemory:         resource.MustParse(fmt.Sprintf("%dMi", flavor.RAM)),
+					"openstack.org/disk":       resource.MustParse(fmt.Sprintf("%dG", flavor.Disk)),
 					"openstack.org/rxTxFactor": *resource.NewQuantity(int64(flavor.RxTxFactor*1000), resource.DecimalSI),
-					"openstack.org/swap":       *resource.Q(fmt.Sprintf("%dMiB", flavor.Swap)),
+					"openstack.org/swap":       resource.MustParse(fmt.Sprintf("%dMi", flavor.Swap)),
 				},
 			}
 			flavor_to_resource[flavor.ID] = &rsrc

pkg/scheduler/priorities_test.go

@@ -56,14 +56,14 @@ func TestLeastRequested(t *testing.T) {
 	}
 	cpuOnly := api.PodSpec{
 		Containers: []api.Container{
-			{CPU: *resource.Q("1000m")},
-			{CPU: *resource.Q("2000m")},
+			{CPU: resource.MustParse("1000m")},
+			{CPU: resource.MustParse("2000m")},
 		},
 	}
 	cpuAndMemory := api.PodSpec{
 		Containers: []api.Container{
-			{CPU: *resource.Q("1000m"), Memory: *resource.Q("2000")},
-			{CPU: *resource.Q("2000m"), Memory: *resource.Q("3000")},
+			{CPU: resource.MustParse("1000m"), Memory: resource.MustParse("2000")},
+			{CPU: resource.MustParse("2000m"), Memory: resource.MustParse("3000")},
 		},
 	}
 	tests := []struct {