Enhance plan schemas

pkg/schemas/enabled_schema.go

@@ -0,0 +1,24 @@
+package schemas
+
+import "github.com/Azure/open-service-broker-azure/pkg/service"
+
+const (
+	// EnabledParamString defines "enabled" value
+	EnabledParamString = "enabled"
+	// DisabledParamString defines "enabled" value
+	DisabledParamString = "disabled"
+)
+
+// EnabledDisabledValues returns "enabled" and "disabled" EnumValues
+func EnabledDisabledValues() []service.EnumValue {
+	return []service.EnumValue{
+		{
+			Value: EnabledParamString,
+			Title: "Enabled",
+		},
+		{
+			Value: DisabledParamString,
+			Title: "Disabled",
+		},
+	}
+}

pkg/schemas/location_schema.go

@@ -9,33 +9,33 @@ func GetLocationSchema() *service.StringPropertySchema {
 		Title: "Location",
 		Description: "The Azure region in which to provision" +
 			" applicable resources.",
-		AllowedValues: []string{
-			"australiaeast",
-			"australiasoutheast",
-			"brazilsouth",
-			"canadacentral",
-			"canadaeast",
-			"centralindia",
-			"centralus",
-			"eastasia",
-			"eastus",
-			"eastus2",
-			"japaneast",
-			"japanwest",
-			"koreacentral",
-			"koreasouth",
-			"northcentralus",
-			"northeurope",
-			"southcentralus",
-			"southeastasia",
-			"southindia",
-			"uksouth",
-			"ukwest",
-			"westcentralus",
-			"westeurope",
-			"westindia",
-			"westus",
-			"westus2",
+		OneOf: []service.EnumValue{
+			{Value: "australiaeast", Title: "Australia East"},
+			{Value: "australiasoutheast", Title: "Australia Southeast"},
+			{Value: "brazilsouth", Title: "Brazil South"},
+			{Value: "canadacentral", Title: "Canada Central"},
+			{Value: "canadaeast", Title: "Canada East"},
+			{Value: "centralindia", Title: "Central India"},
+			{Value: "centralus", Title: "Central US"},
+			{Value: "eastasia", Title: "East Asia"},
+			{Value: "eastus", Title: "East US"},
+			{Value: "eastus2", Title: "East US 2"},
+			{Value: "japaneast", Title: "Japan East"},
+			{Value: "japanwest", Title: "Japan West"},
+			{Value: "koreacentral", Title: "Korea Central"},
+			{Value: "koreasouth", Title: "Korea South"},
+			{Value: "northcentralus", Title: "North Central US"},
+			{Value: "northeurope", Title: "North Europe"},
+			{Value: "southcentralus", Title: "South Central US"},
+			{Value: "southeastasia", Title: "Southeast Asia"},
+			{Value: "southindia", Title: "South India"},
+			{Value: "uksouth", Title: "UK South"},
+			{Value: "ukwest", Title: "UK West"},
+			{Value: "westcentralus", Title: "West Central US"},
+			{Value: "westeurope", Title: "West Europe"},
+			{Value: "westindia", Title: "West India"},
+			{Value: "westus", Title: "West US"},
+			{Value: "westus2", Title: "West US 2"},
 		},
 	}
 }

pkg/schemas/redundancy_schema.go

@@ -0,0 +1,20 @@
+package schemas
+
+import "github.com/Azure/open-service-broker-azure/pkg/service"
+
+// LocalRedundancy provides an EnumValue slice with "local" value.
+func LocalRedundancy() []service.EnumValue {
+	return []service.EnumValue{{
+		Value: "local",
+		Title: "Local",
+	}}
+}
+
+// LocalAndGeoRedundancy provides an EnumValue slice with
+// "local" and "geo" value.
+func LocalAndGeoRedundancy() []service.EnumValue {
+	return []service.EnumValue{
+		{Value: "local", Title: "Local"},
+		{Value: "geo", Title: "Geo"},
+	}
+}

pkg/service/schema.go

@@ -112,6 +112,7 @@ type StringPropertySchema struct {
 	AllowedPattern          string                        `json:"pattern,omitempty"` // nolint: lll
 	CustomPropertyValidator CustomStringPropertyValidator `json:"-"`
 	DefaultValue            string                        `json:"default,omitempty"` // nolint: lll
+	OneOf                   []EnumValue                   `json:"oneOf,omitempty"`   //nolint: lll
 }
 
 // MarshalJSON provides functionality to marshal a StringPropertySchema to JSON
@@ -163,6 +164,18 @@ func (s StringPropertySchema) validate(
 			return NewValidationError(context, "field value is invalid")
 		}
 	}
+	if len(s.OneOf) > 0 {
+		var found bool
+		for _, allowedValue := range s.OneOf {
+			if val == allowedValue.Value {
+				found = true
+				break
+			}
+		}
+		if !found {
+			return NewValidationError(context, "field value is invalid")
+		}
+	}
 	if s.AllowedPattern != "" {
 		pattern := regexp.MustCompile(s.AllowedPattern)
 		if !pattern.MatchString(val) {
@@ -175,6 +188,26 @@ func (s StringPropertySchema) validate(
 	return nil
 }
 
+// EnumValue represents an enum item in the oneOf JSON schema collection
+type EnumValue struct {
+	Value string
+	Title string
+}
+
+// MarshalJSON provides functionality to marshal an EnumValue to JSON
+// according to JSON schema definition.
+func (v EnumValue) MarshalJSON() ([]byte, error) {
+	return json.Marshal(
+		struct {
+			Enum  []string `json:"enum"`
+			Title string   `json:"title"`
+		}{
+			Title: v.Title,
+			Enum:  []string{v.Value},
+		},
+	)
+}
+
 // CustomIntPropertyValidator is a function type that describes the signature
 // for functions that provide custom validation logic for integer properties.
 type CustomIntPropertyValidator func(context string, value int64) error

pkg/service/schema_test.go

@@ -100,6 +100,23 @@ func TestValidateInputParametersSchema(t *testing.T) {
 	assert.Nil(t, err)
 }
 
+func TestValidateInputParameterSchemaWithOneOfField(t *testing.T) {
+	ips := InputParametersSchema{
+		PropertySchemas: map[string]PropertySchema{
+			"foo": StringPropertySchema{
+				OneOf: []EnumValue{{Value: "bar", Title: ""}, {Value: "bat", Title: ""}},
+			},
+		},
+	}
+
+	assert.NotNil(t, ips.Validate(map[string]interface{}{
+		"foo": "wrong",
+	}))
+	assert.Nil(t, ips.Validate(map[string]interface{}{
+		"foo": "bar",
+	}))
+}
+
 func TestStringPropertySchemaToJSON(t *testing.T) {
 	fooSps := StringPropertySchema{
 		Title:         "bar",

pkg/services/cosmosdb/commons_utils_test.go

@@ -0,0 +1,15 @@
+package cosmosdb
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestValidateReadLocations(t *testing.T) {
+	assert.NotNil(t, validateReadLocations("", []string{"ukwest", "no-existing"}))
+	assert.NotNil(t, validateReadLocations("", []string{"ukwest", "ukwest"}))
+
+	assert.Nil(t, validateReadLocations("", []string{"ukwest", "eastasia"}))
+	assert.Nil(t, validateReadLocations("", []string{}))
+}

pkg/services/cosmosdb/cosmos-utils.go

@@ -250,10 +250,14 @@ func validateReadLocations(
 	context string,
 	regions []string,
 ) error {
+	allowedLocations := make(map[string]bool)
+	for _, item := range allowedReadLocations() {
+		allowedLocations[item.Value] = true
+	}
 	occurred := make(map[string]bool)
 	for i := range regions {
 		region := regions[i]
-		if !allowedReadLocations[region] {
+		if !allowedLocations[region] {
 			return service.NewValidationError(
 				fmt.Sprintf("%s.readRegions", context),
 				fmt.Sprintf("given read region %s is not allowed", region),
@@ -274,34 +278,35 @@ func validateReadLocations(
 }
 
 // Allowed CosmosDB read locations, it is different from Azure regions.
-// We use a map here to record all allowed regions.
-var allowedReadLocations = map[string]bool{
-	"westus2":            true,
-	"westus":             true,
-	"southcentralus":     true,
-	"centralus":          true,
-	"northcentralus":     true,
-	"canadacentral":      true,
-	"eastus":             true,
-	"eastus2":            true,
-	"canadaeast":         true,
-	"brazilsouth":        true,
-	"northeurope":        true,
-	"ukwest":             true,
-	"uksouth":            true,
-	"francecentral":      true,
-	"westeurope":         true,
-	"westindia":          true,
-	"centralindia":       true,
-	"southindia":         true,
-	"southeastasia":      true,
-	"eastasia":           true,
-	"koreacentral":       true,
-	"koreasouth":         true,
-	"japaneast":          true,
-	"japanwest":          true,
-	"australiasoutheast": true,
-	"australiaeast":      true,
+func allowedReadLocations() []service.EnumValue {
+	return []service.EnumValue{
+		{Value: "westus2", Title: "West US 2"},
+		{Value: "westus", Title: "West US"},
+		{Value: "southcentralus", Title: "South Central US"},
+		{Value: "centralus", Title: "Central US"},
+		{Value: "northcentralus", Title: "North Central US"},
+		{Value: "canadacentral", Title: "Canada Central"},
+		{Value: "eastus", Title: "East US"},
+		{Value: "eastus2", Title: "East US 2"},
+		{Value: "canadaeast", Title: "Canada East"},
+		{Value: "brazilsouth", Title: "Brazil South"},
+		{Value: "northeurope", Title: "North Europe"},
+		{Value: "ukwest", Title: "UK West"},
+		{Value: "uksouth", Title: "UK South"},
+		{Value: "francecentral", Title: "France Central"},
+		{Value: "westeurope", Title: "West Europe"},
+		{Value: "westindia", Title: "West India"},
+		{Value: "centralindia", Title: "Central India"},
+		{Value: "southindia", Title: "South India"},
+		{Value: "southeastasia", Title: "Southeast Asia"},
+		{Value: "eastasia", Title: "East Asia"},
+		{Value: "koreacentral", Title: "Korea Central"},
+		{Value: "koreasouth", Title: "Korea South"},
+		{Value: "japaneast", Title: "Japan East"},
+		{Value: "japanwest", Title: "Japan West"},
+		{Value: "australiasoutheast", Title: "Australia Southeast"},
+		{Value: "australiaeast", Title: "Australia East"},
+	}
 }
 
 func (c *cosmosAccountManager) buildGoTemplateParamsCore(

pkg/services/cosmosdb/plan_schemas.go

@@ -28,14 +28,17 @@ func generateUpdatingParamsSchema() service.InputParametersSchema {
 					" will be synchronized across these regions.",
 				DefaultValue:            []interface{}{},
 				CustomPropertyValidator: readLocationsValidator,
+				ItemsSchema: &service.StringPropertySchema{
+					OneOf: allowedReadLocations(),
+				},
 			},
 			"autoFailoverEnabled": &service.StringPropertySchema{
 				Title: "Auto failover enabled",
 				Description: "Specifies if you want Cosmos DB to perform" +
 					" automatic failover of the write region to one of" +
 					" the read regions in the rare event of a data center outage.",
-				DefaultValue:  "disabled",
-				AllowedValues: []string{"enabled", "disabled"},
+				DefaultValue: "disabled",
+				OneOf:        schemas.EnabledDisabledValues(),
 			},
 			"ipFilters": &service.ObjectPropertySchema{
 				Title:       "IP filters",
@@ -45,16 +48,16 @@ func generateUpdatingParamsSchema() service.InputParametersSchema {
 						Title: "Allow access from Azure",
 						Description: "Specifies if Azure Services should be able to access" +
 							" the CosmosDB account.",
-						AllowedValues: []string{"enabled", "disabled"},
-						DefaultValue:  "enabled",
+						OneOf:        schemas.EnabledDisabledValues(),
+						DefaultValue: schemas.EnabledParamString,
 					},
 					"allowAccessFromPortal": &service.StringPropertySchema{
 						Title: "Allow access From Portal",
 						Description: "Specifies if the Azure Portal should be able to" +
 							" access the CosmosDB account. If `allowAccessFromAzure` is" +
 							" set to enabled, this value is ignored.",
-						AllowedValues: []string{"enabled", "disabled"},
-						DefaultValue:  "enabled",
+						OneOf:        schemas.EnabledDisabledValues(),
+						DefaultValue: schemas.EnabledParamString,
 					},
 					"allowedIPRanges": &service.ArrayPropertySchema{
 						Title: "Allowed IP ranges",
@@ -67,7 +70,7 @@ func generateUpdatingParamsSchema() service.InputParametersSchema {
 					},
 				},
 				DefaultValue: map[string]interface{}{
-					"allowAccessFromAzure": "enabled",
+					"allowAccessFromAzure": schemas.EnabledParamString,
 				},
 			},
 			"consistencyPolicy": &service.ObjectPropertySchema{
@@ -81,12 +84,12 @@ func generateUpdatingParamsSchema() service.InputParametersSchema {
 						Title: "Default consistency level",
 						Description: "The default consistency level and" +
 							" configuration settings of the Cosmos DB account.",
-						AllowedValues: []string{
-							"Eventual",
-							"Session",
-							"BoundedStaleness",
-							"Strong",
-							"ConsistentPrefix",
+						OneOf: []service.EnumValue{
+							{Value: "Eventual", Title: "Eventual"},
+							{Value: "Session", Title: "Session"},
+							{Value: "BoundedStaleness", Title: "Bounded staleness"},
+							{Value: "Strong", Title: "Strong"},
+							{Value: "ConsistentPrefix", Title: "Consistent prefix"},
 						},
 					},
 					"boundedStaleness": &service.ObjectPropertySchema{
@@ -136,8 +139,8 @@ func generateProvisioningParamsSchema() service.InputParametersSchema {
 			Title: "Multiple write regions enabled",
 			Description: "Specifies if you want  the account to write " +
 				"in multiple regions.",
-			AllowedValues: []string{"enabled", "disabled"},
-			DefaultValue:  "disabled",
+			OneOf:        schemas.EnabledDisabledValues(),
+			DefaultValue: schemas.DisabledParamString,
 		},
 	}
 	sharedSchema := generateUpdatingParamsSchema()

pkg/services/mysql/catalog.go

@@ -1,6 +1,7 @@
 package mysql
 
 import (
+	"github.com/Azure/open-service-broker-azure/pkg/schemas"
 	"github.com/Azure/open-service-broker-azure/pkg/service"
 )
 
@@ -13,7 +14,7 @@ func createBasicPlan(
 		allowedCores:            []int64{1, 2},
 		defaultCores:            1,
 		maxStorage:              1024,
-		allowedBackupRedundancy: []string{"local"},
+		allowedBackupRedundancy: schemas.LocalRedundancy(),
 	}
 
 	return service.PlanProperties{
@@ -49,7 +50,7 @@ func createGPPlan(
 		allowedCores:            []int64{2, 4, 8, 16, 32},
 		defaultCores:            2,
 		maxStorage:              2048,
-		allowedBackupRedundancy: []string{"local", "geo"},
+		allowedBackupRedundancy: schemas.LocalAndGeoRedundancy(),
 	}
 	extendedPlanData := map[string]interface{}{
 		"tierDetails": td,
@@ -90,7 +91,7 @@ func createMemoryOptimizedPlan(
 		allowedCores:            []int64{2, 4, 8, 16},
 		defaultCores:            2,
 		maxStorage:              2048,
-		allowedBackupRedundancy: []string{"local", "geo"},
+		allowedBackupRedundancy: schemas.LocalAndGeoRedundancy(),
 	}
 	extendedPlanData := map[string]interface{}{
 		"tierDetails": td,