New Resource: azurerm_stream_analytics_function_javascript_udf (#3249)

This PR adds support for Stream Analytics Functions; of which at this time we can only support JavaScript UDF functions

Dependent on #3227

azurerm/provider.go

@@ -384,6 +384,7 @@ func Provider() terraform.ResourceProvider {
 			"azurerm_storage_share":                                                          resourceArmStorageShare(),
 			"azurerm_storage_table":                                                          resourceArmStorageTable(),
 			"azurerm_stream_analytics_job":                                                   resourceArmStreamAnalyticsJob(),
+			"azurerm_stream_analytics_function_javascript_udf":                               resourceArmStreamAnalyticsFunctionUDF(),
 			"azurerm_subnet_network_security_group_association":                              resourceArmSubnetNetworkSecurityGroupAssociation(),
 			"azurerm_subnet_route_table_association":                                         resourceArmSubnetRouteTableAssociation(),
 			"azurerm_subnet":                                                                 resourceArmSubnet(),

azurerm/resource_arm_stream_analytics_function_javascript_udf.go

@@ -0,0 +1,303 @@
+package azurerm
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/hashicorp/terraform/helper/validation"
+
+	"github.com/Azure/azure-sdk-for-go/services/streamanalytics/mgmt/2016-03-01/streamanalytics"
+
+	"github.com/hashicorp/terraform/helper/schema"
+	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/response"
+	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/tf"
+	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/validate"
+	"github.com/terraform-providers/terraform-provider-azurerm/azurerm/utils"
+)
+
+func resourceArmStreamAnalyticsFunctionUDF() *schema.Resource {
+	return &schema.Resource{
+		Create: resourceArmStreamAnalyticsFunctionUDFCreateUpdate,
+		Read:   resourceArmStreamAnalyticsFunctionUDFRead,
+		Update: resourceArmStreamAnalyticsFunctionUDFCreateUpdate,
+		Delete: resourceArmStreamAnalyticsFunctionUDFDelete,
+		Importer: &schema.ResourceImporter{
+			State: schema.ImportStatePassthrough,
+		},
+
+		Schema: map[string]*schema.Schema{
+			"name": {
+				Type:         schema.TypeString,
+				Required:     true,
+				ForceNew:     true,
+				ValidateFunc: validate.NoEmptyStrings,
+			},
+
+			"stream_analytics_job_name": {
+				Type:         schema.TypeString,
+				Required:     true,
+				ForceNew:     true,
+				ValidateFunc: validate.NoEmptyStrings,
+			},
+
+			"resource_group_name": resourceGroupNameSchema(),
+
+			"input": {
+				Type:     schema.TypeList,
+				Required: true,
+				MinItems: 1,
+				Elem: &schema.Resource{
+					Schema: map[string]*schema.Schema{
+						"type": {
+							Type:     schema.TypeString,
+							Required: true,
+							ValidateFunc: validation.StringInSlice([]string{
+								"any",
+								"datetime",
+								"array",
+								"bigint",
+								"float",
+								"nvarchar(max)",
+								"record",
+							}, false),
+						},
+					},
+				},
+			},
+
+			"output": {
+				Type:     schema.TypeList,
+				Required: true,
+				MaxItems: 1,
+				Elem: &schema.Resource{
+					Schema: map[string]*schema.Schema{
+						"type": {
+							Type:     schema.TypeString,
+							Required: true,
+							ValidateFunc: validation.StringInSlice([]string{
+								"any",
+								"datetime",
+								"array",
+								"bigint",
+								"float",
+								"nvarchar(max)",
+								"record",
+							}, false),
+						},
+					},
+				},
+			},
+
+			"script": {
+				Type:         schema.TypeString,
+				Required:     true,
+				ValidateFunc: validate.NoEmptyStrings,
+				// TODO: JS diff suppress func?!
+			},
+		},
+	}
+}
+
+func resourceArmStreamAnalyticsFunctionUDFCreateUpdate(d *schema.ResourceData, meta interface{}) error {
+	client := meta.(*ArmClient).streamAnalyticsFunctionsClient
+	ctx := meta.(*ArmClient).StopContext
+
+	log.Printf("[INFO] preparing arguments for Azure Stream Analytics Function Javascript UDF creation.")
+	name := d.Get("name").(string)
+	jobName := d.Get("stream_analytics_job_name").(string)
+	resourceGroup := d.Get("resource_group_name").(string)
+
+	if requireResourcesToBeImported && d.IsNewResource() {
+		existing, err := client.Get(ctx, resourceGroup, jobName, name)
+		if err != nil {
+			if !utils.ResponseWasNotFound(existing.Response) {
+				return fmt.Errorf("Error checking for presence of existing Stream Analytics Function Javascript UDF %q (Job %q / Resource Group %q): %s", name, jobName, resourceGroup, err)
+			}
+		}
+
+		if existing.ID != nil && *existing.ID != "" {
+			return tf.ImportAsExistsError("azurerm_stream_analytics_function_javascript_udf", *existing.ID)
+		}
+	}
+
+	script := d.Get("script").(string)
+	inputsRaw := d.Get("input").([]interface{})
+	inputs := expandStreamAnalyticsFunctionInputs(inputsRaw)
+
+	outputRaw := d.Get("output").([]interface{})
+	output := expandStreamAnalyticsFunctionOutput(outputRaw)
+
+	function := streamanalytics.Function{
+		Properties: &streamanalytics.ScalarFunctionProperties{
+			Type: streamanalytics.TypeScalar,
+			ScalarFunctionConfiguration: &streamanalytics.ScalarFunctionConfiguration{
+				Binding: &streamanalytics.JavaScriptFunctionBinding{
+					Type: streamanalytics.TypeMicrosoftStreamAnalyticsJavascriptUdf,
+					JavaScriptFunctionBindingProperties: &streamanalytics.JavaScriptFunctionBindingProperties{
+						Script: utils.String(script),
+					},
+				},
+				Inputs: inputs,
+				Output: output,
+			},
+		},
+	}
+
+	if d.IsNewResource() {
+		if _, err := client.CreateOrReplace(ctx, function, resourceGroup, jobName, name, "", ""); err != nil {
+			return fmt.Errorf("Error Creating Stream Analytics Function Javascript UDF %q (Job %q / Resource Group %q): %+v", name, jobName, resourceGroup, err)
+		}
+
+		read, err := client.Get(ctx, resourceGroup, jobName, name)
+		if err != nil {
+			return fmt.Errorf("Error retrieving Stream Analytics Function Javascript UDF %q (Job %q / Resource Group %q): %+v", name, jobName, resourceGroup, err)
+		}
+		if read.ID == nil {
+			return fmt.Errorf("Cannot read ID of Stream Analytics Function Javascript UDF %q (Job %q / Resource Group %q)", name, jobName, resourceGroup)
+		}
+
+		d.SetId(*read.ID)
+	} else {
+		if _, err := client.Update(ctx, function, resourceGroup, jobName, name, ""); err != nil {
+			return fmt.Errorf("Error Updating Stream Analytics Function Javascript UDF %q (Job %q / Resource Group %q): %+v", name, jobName, resourceGroup, err)
+		}
+	}
+
+	return resourceArmStreamAnalyticsFunctionUDFRead(d, meta)
+}
+
+func resourceArmStreamAnalyticsFunctionUDFRead(d *schema.ResourceData, meta interface{}) error {
+	client := meta.(*ArmClient).streamAnalyticsFunctionsClient
+	ctx := meta.(*ArmClient).StopContext
+
+	id, err := parseAzureResourceID(d.Id())
+	if err != nil {
+		return err
+	}
+	resourceGroup := id.ResourceGroup
+	jobName := id.Path["streamingjobs"]
+	name := id.Path["functions"]
+
+	resp, err := client.Get(ctx, resourceGroup, jobName, name)
+	if err != nil {
+		if utils.ResponseWasNotFound(resp.Response) {
+			log.Printf("[DEBUG] Function Javascript UDF %q was not found in Stream Analytics Job %q / Resource Group %q - removing from state!", name, jobName, resourceGroup)
+			d.SetId("")
+			return nil
+		}
+
+		return fmt.Errorf("Error retrieving Stream Function Javascript UDF %q (Stream Analytics Job %q / Resource Group %q): %+v", name, jobName, resourceGroup, err)
+	}
+
+	d.Set("name", name)
+	d.Set("resource_group_name", resourceGroup)
+	d.Set("stream_analytics_job_name", jobName)
+
+	if props := resp.Properties; props != nil {
+		scalarProps, ok := props.AsScalarFunctionProperties()
+		if !ok {
+			return fmt.Errorf("Error converting Props to a Scalar Function")
+		}
+
+		binding, ok := scalarProps.Binding.AsJavaScriptFunctionBinding()
+		if !ok {
+			return fmt.Errorf("Error converting Binding to a JavaScript Function Binding")
+		}
+
+		if bindingProps := binding.JavaScriptFunctionBindingProperties; bindingProps != nil {
+			d.Set("script", bindingProps.Script)
+		}
+
+		if err := d.Set("input", flattenStreamAnalyticsFunctionInputs(scalarProps.Inputs)); err != nil {
+			return fmt.Errorf("Error flattening `input`: %+v", err)
+		}
+
+		if err := d.Set("output", flattenStreamAnalyticsFunctionOutput(scalarProps.Output)); err != nil {
+			return fmt.Errorf("Error flattening `output`: %+v", err)
+		}
+	}
+
+	return nil
+}
+
+func resourceArmStreamAnalyticsFunctionUDFDelete(d *schema.ResourceData, meta interface{}) error {
+	client := meta.(*ArmClient).streamAnalyticsFunctionsClient
+	ctx := meta.(*ArmClient).StopContext
+
+	id, err := parseAzureResourceID(d.Id())
+	if err != nil {
+		return err
+	}
+	resourceGroup := id.ResourceGroup
+	jobName := id.Path["streamingjobs"]
+	name := id.Path["functions"]
+
+	if resp, err := client.Delete(ctx, resourceGroup, jobName, name); err != nil {
+		if !response.WasNotFound(resp.Response) {
+			return fmt.Errorf("Error deleting Function Javascript UDF %q (Stream Analytics Job %q / Resource Group %q) %+v", name, jobName, resourceGroup, err)
+		}
+	}
+
+	return nil
+}
+
+func expandStreamAnalyticsFunctionInputs(input []interface{}) *[]streamanalytics.FunctionInput {
+	outputs := make([]streamanalytics.FunctionInput, 0)
+
+	for _, raw := range input {
+		v := raw.(map[string]interface{})
+		variableType := v["type"].(string)
+		outputs = append(outputs, streamanalytics.FunctionInput{
+			DataType: utils.String(variableType),
+		})
+	}
+
+	return &outputs
+}
+
+func flattenStreamAnalyticsFunctionInputs(input *[]streamanalytics.FunctionInput) []interface{} {
+	if input == nil {
+		return []interface{}{}
+	}
+
+	outputs := make([]interface{}, 0)
+
+	for _, v := range *input {
+		var variableType string
+		if v.DataType != nil {
+			variableType = *v.DataType
+		}
+
+		outputs = append(outputs, map[string]interface{}{
+			"type": variableType,
+		})
+	}
+
+	return outputs
+}
+
+func expandStreamAnalyticsFunctionOutput(input []interface{}) *streamanalytics.FunctionOutput {
+	output := input[0].(map[string]interface{})
+
+	dataType := output["type"].(string)
+	return &streamanalytics.FunctionOutput{
+		DataType: utils.String(dataType),
+	}
+}
+
+func flattenStreamAnalyticsFunctionOutput(input *streamanalytics.FunctionOutput) []interface{} {
+	if input == nil {
+		return []interface{}{}
+	}
+
+	var variableType string
+	if input.DataType != nil {
+		variableType = *input.DataType
+	}
+
+	return []interface{}{
+		map[string]interface{}{
+			"type": variableType,
+		},
+	}
+}