feat: add lowpri capability check + const

const.go

@@ -57,6 +57,8 @@ const (
 	SupportedEphemeralOSDiskPlacements = "SupportedEphemeralOSDiskPlacements"
 	// NvmeDiskSizeInMiB identifies the NVMe disk size in MiB.
 	NvmeDiskSizeInMiB = "NvmeDiskSizeInMiB"
+	// LowPriorityCapable identifies the capability for low priority VM support.
+	LowPriorityCapable = "LowPriorityCapable"
 )
 
 const (

sku.go

@@ -121,6 +121,11 @@ func (s *SKU) IsPremiumIO() bool {
 	return s.HasCapability(CapabilityPremiumIO)
 }
 
+// IsLowPriorityCapable returns true when the VM size supports low priority VMs.
+func (s *SKU) IsLowPriorityCapable() bool {
+	return s.HasCapability(LowPriorityCapable)
+}
+
 // IsHyperVGen1Supported returns true when the VM size supports
 // accelerated networking.
 func (s *SKU) IsHyperVGen1Supported() bool {

sku_test.go

@@ -778,3 +778,45 @@ func Test_SKU_Includes(t *testing.T) {
 		})
 	}
 }
+
+func Test_SKU_IsLowPriorityCapable(t *testing.T) {
+	cases := map[string]struct {
+		sku    compute.ResourceSku
+		expect bool
+	}{
+		"should return false when no capabilities": {
+			sku: compute.ResourceSku{},
+		},
+		"should return false when capability is False": {
+			sku: compute.ResourceSku{
+				Capabilities: &[]compute.ResourceSkuCapabilities{
+					{
+						Name:  to.StringPtr(LowPriorityCapable),
+						Value: to.StringPtr("False"),
+					},
+				},
+			},
+		},
+		"should return true when capability is True": {
+			sku: compute.ResourceSku{
+				Capabilities: &[]compute.ResourceSkuCapabilities{
+					{
+						Name:  to.StringPtr(LowPriorityCapable),
+						Value: to.StringPtr("True"),
+					},
+				},
+			},
+			expect: true,
+		},
+	}
+
+	for name, tc := range cases {
+		tc := tc
+		t.Run(name, func(t *testing.T) {
+			sku := SKU(tc.sku)
+			if diff := cmp.Diff(tc.expect, sku.IsLowPriorityCapable()); diff != "" {
+				t.Error(diff)
+			}
+		})
+	}
+}

v2/const.go

@@ -57,6 +57,8 @@ const (
 	SupportedEphemeralOSDiskPlacements = "SupportedEphemeralOSDiskPlacements"
 	// NvmeDiskSizeInMiB identifies the NVMe disk size in MiB.
 	NvmeDiskSizeInMiB = "NvmeDiskSizeInMiB"
+	// LowPriorityCapable identifies the capability for low priority VM support.
+	LowPriorityCapable = "LowPriorityCapable"
 )
 
 const (

v2/sku.go

@@ -121,6 +121,11 @@ func (s *SKU) IsPremiumIO() bool {
 	return s.HasCapability(CapabilityPremiumIO)
 }
 
+// IsLowPriorityCapable returns true when the VM size supports low priority VMs.
+func (s *SKU) IsLowPriorityCapable() bool {
+	return s.HasCapability(LowPriorityCapable)
+}
+
 // IsHyperVGen1Supported returns true when the VM size supports
 // accelerated networking.
 func (s *SKU) IsHyperVGen1Supported() bool {

v2/sku_test.go

@@ -776,3 +776,45 @@ func Test_SKU_Includes(t *testing.T) {
 		})
 	}
 }
+
+func Test_SKU_IsLowPriorityCapable(t *testing.T) {
+	cases := map[string]struct {
+		sku    armcompute.ResourceSKU
+		expect bool
+	}{
+		"should return false when no capabilities": {
+			sku: armcompute.ResourceSKU{},
+		},
+		"should return false when capability is False": {
+			sku: armcompute.ResourceSKU{
+				Capabilities: []*armcompute.ResourceSKUCapabilities{
+					{
+						Name:  to.Ptr(LowPriorityCapable),
+						Value: to.Ptr("False"),
+					},
+				},
+			},
+		},
+		"should return true when capability is True": {
+			sku: armcompute.ResourceSKU{
+				Capabilities: []*armcompute.ResourceSKUCapabilities{
+					{
+						Name:  to.Ptr(LowPriorityCapable),
+						Value: to.Ptr("True"),
+					},
+				},
+			},
+			expect: true,
+		},
+	}
+
+	for name, tc := range cases {
+		tc := tc
+		t.Run(name, func(t *testing.T) {
+			sku := SKU(tc.sku)
+			if diff := cmp.Diff(tc.expect, sku.IsLowPriorityCapable()); diff != "" {
+				t.Error(diff)
+			}
+		})
+	}
+}