provider/aws: Added API Gateway integration update (#13249)

builtin/providers/aws/resource_aws_api_gateway_integration.go

@@ -11,87 +11,94 @@ import (
 	"github.com/aws/aws-sdk-go/service/apigateway"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/helper/schema"
+	"strings"
 )
 
 func resourceAwsApiGatewayIntegration() *schema.Resource {
 	return &schema.Resource{
 		Create: resourceAwsApiGatewayIntegrationCreate,
 		Read:   resourceAwsApiGatewayIntegrationRead,
-		Update: resourceAwsApiGatewayIntegrationCreate,
+		Update: resourceAwsApiGatewayIntegrationUpdate,
 		Delete: resourceAwsApiGatewayIntegrationDelete,
 
 		Schema: map[string]*schema.Schema{
-			"rest_api_id": &schema.Schema{
+			"rest_api_id": {
 				Type:     schema.TypeString,
 				Required: true,
 				ForceNew: true,
 			},
 
-			"resource_id": &schema.Schema{
+			"resource_id": {
 				Type:     schema.TypeString,
 				Required: true,
 				ForceNew: true,
 			},
 
-			"http_method": &schema.Schema{
+			"http_method": {
 				Type:         schema.TypeString,
 				Required:     true,
 				ForceNew:     true,
 				ValidateFunc: validateHTTPMethod,
 			},
 
-			"type": &schema.Schema{
+			"type": {
 				Type:         schema.TypeString,
 				Required:     true,
+				ForceNew:     true,
 				ValidateFunc: validateApiGatewayIntegrationType,
 			},
 
-			"uri": &schema.Schema{
+			"uri": {
 				Type:     schema.TypeString,
 				Optional: true,
+				ForceNew: true,
 			},
 
-			"credentials": &schema.Schema{
+			"credentials": {
 				Type:     schema.TypeString,
 				Optional: true,
+				ForceNew: true,
 			},
 
-			"integration_http_method": &schema.Schema{
+			"integration_http_method": {
 				Type:         schema.TypeString,
 				Optional:     true,
+				ForceNew:     true,
 				ValidateFunc: validateHTTPMethod,
 			},
 
-			"request_templates": &schema.Schema{
+			"request_templates": {
 				Type:     schema.TypeMap,
 				Optional: true,
 				Elem:     schema.TypeString,
 			},
 
-			"request_parameters": &schema.Schema{
+			"request_parameters": {
 				Type:          schema.TypeMap,
 				Elem:          schema.TypeString,
 				Optional:      true,
 				ConflictsWith: []string{"request_parameters_in_json"},
 			},
 
-			"request_parameters_in_json": &schema.Schema{
+			"request_parameters_in_json": {
 				Type:          schema.TypeString,
 				Optional:      true,
 				ConflictsWith: []string{"request_parameters"},
 				Deprecated:    "Use field request_parameters instead",
 			},
 
-			"content_handling": &schema.Schema{
+			"content_handling": {
 				Type:         schema.TypeString,
 				Optional:     true,
+				ForceNew:     true,
 				ValidateFunc: validateApiGatewayIntegrationContentHandling,
 			},
 
-			"passthrough_behavior": &schema.Schema{
+			"passthrough_behavior": {
 				Type:         schema.TypeString,
 				Optional:     true,
 				Computed:     true,
+				ForceNew:     true,
 				ValidateFunc: validateApiGatewayIntegrationPassthroughBehavior,
 			},
 		},
@@ -101,6 +108,7 @@ func resourceAwsApiGatewayIntegration() *schema.Resource {
 func resourceAwsApiGatewayIntegrationCreate(d *schema.ResourceData, meta interface{}) error {
 	conn := meta.(*AWSClient).apigateway
 
+	log.Print("[DEBUG] Creating API Gateway Integration")
 	var integrationHttpMethod *string
 	if v, ok := d.GetOk("integration_http_method"); ok {
 		integrationHttpMethod = aws.String(v.(string))
@@ -163,13 +171,13 @@ func resourceAwsApiGatewayIntegrationCreate(d *schema.ResourceData, meta interfa
 
 	d.SetId(fmt.Sprintf("agi-%s-%s-%s", d.Get("rest_api_id").(string), d.Get("resource_id").(string), d.Get("http_method").(string)))
 
-	return nil
+	return resourceAwsApiGatewayIntegrationRead(d, meta)
 }
 
 func resourceAwsApiGatewayIntegrationRead(d *schema.ResourceData, meta interface{}) error {
 	conn := meta.(*AWSClient).apigateway
 
-	log.Printf("[DEBUG] Reading API Gateway Integration %s", d.Id())
+	log.Printf("[DEBUG] Reading API Gateway Integration: %s", d.Id())
 	integration, err := conn.GetIntegration(&apigateway.GetIntegrationInput{
 		HttpMethod: aws.String(d.Get("http_method").(string)),
 		ResourceId: aws.String(d.Get("resource_id").(string)),
@@ -191,17 +199,127 @@ func resourceAwsApiGatewayIntegrationRead(d *schema.ResourceData, meta interface
 	}
 
 	d.Set("request_templates", aws.StringValueMap(integration.RequestTemplates))
-	d.Set("credentials", integration.Credentials)
 	d.Set("type", integration.Type)
-	d.Set("uri", integration.Uri)
 	d.Set("request_parameters", aws.StringValueMap(integration.RequestParameters))
 	d.Set("request_parameters_in_json", aws.StringValueMap(integration.RequestParameters))
 	d.Set("passthrough_behavior", integration.PassthroughBehavior)
+
+	if integration.Uri != nil {
+		d.Set("uri", integration.Uri)
+	}
+
+	if integration.Credentials != nil {
+		d.Set("credentials", integration.Credentials)
+	}
+
+	if integration.ContentHandling != nil {
 		d.Set("content_handling", integration.ContentHandling)
+	}
 
 	return nil
 }
 
+func resourceAwsApiGatewayIntegrationUpdate(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).apigateway
+
+	log.Printf("[DEBUG] Updating API Gateway Integration: %s", d.Id())
+	operations := make([]*apigateway.PatchOperation, 0)
+
+	// https://docs.aws.amazon.com/apigateway/api-reference/link-relation/integration-update/#remarks
+	// According to the above documentation, only a few parts are addable / removable.
+	if d.HasChange("request_templates") {
+		o, n := d.GetChange("request_templates")
+		prefix := "requestTemplates"
+
+		os := o.(map[string]interface{})
+		ns := n.(map[string]interface{})
+
+		// Handle Removal
+		for k := range os {
+			if _, ok := ns[k]; !ok {
+				operations = append(operations, &apigateway.PatchOperation{
+					Op:   aws.String("remove"),
+					Path: aws.String(fmt.Sprintf("/%s/%s", prefix, strings.Replace(k, "/", "~1", -1))),
+				})
+			}
+		}
+
+		for k, v := range ns {
+			// Handle replaces
+			if _, ok := os[k]; ok {
+				operations = append(operations, &apigateway.PatchOperation{
+					Op:    aws.String("replace"),
+					Path:  aws.String(fmt.Sprintf("/%s/%s", prefix, strings.Replace(k, "/", "~1", -1))),
+					Value: aws.String(v.(string)),
+				})
+			}
+
+			// Handle additions
+			if _, ok := os[k]; !ok {
+				operations = append(operations, &apigateway.PatchOperation{
+					Op:    aws.String("add"),
+					Path:  aws.String(fmt.Sprintf("/%s/%s", prefix, strings.Replace(k, "/", "~1", -1))),
+					Value: aws.String(v.(string)),
+				})
+			}
+		}
+	}
+
+	if d.HasChange("request_parameters") {
+		o, n := d.GetChange("request_parameters")
+		prefix := "requestParameters"
+
+		os := o.(map[string]interface{})
+		ns := n.(map[string]interface{})
+
+		// Handle Removal
+		for k := range os {
+			if _, ok := ns[k]; !ok {
+				operations = append(operations, &apigateway.PatchOperation{
+					Op:   aws.String("remove"),
+					Path: aws.String(fmt.Sprintf("/%s/%s", prefix, strings.Replace(k, "/", "~1", -1))),
+				})
+			}
+		}
+
+		for k, v := range ns {
+			// Handle replaces
+			if _, ok := os[k]; ok {
+				operations = append(operations, &apigateway.PatchOperation{
+					Op:    aws.String("replace"),
+					Path:  aws.String(fmt.Sprintf("/%s/%s", prefix, strings.Replace(k, "/", "~1", -1))),
+					Value: aws.String(v.(string)),
+				})
+			}
+
+			// Handle additions
+			if _, ok := os[k]; !ok {
+				operations = append(operations, &apigateway.PatchOperation{
+					Op:    aws.String("add"),
+					Path:  aws.String(fmt.Sprintf("/%s/%s", prefix, strings.Replace(k, "/", "~1", -1))),
+					Value: aws.String(v.(string)),
+				})
+			}
+		}
+	}
+
+	params := &apigateway.UpdateIntegrationInput{
+		HttpMethod:      aws.String(d.Get("http_method").(string)),
+		ResourceId:      aws.String(d.Get("resource_id").(string)),
+		RestApiId:       aws.String(d.Get("rest_api_id").(string)),
+		PatchOperations: operations,
+	}
+
+	_, err := conn.UpdateIntegration(params)
+	if err != nil {
+		return fmt.Errorf("Error updating API Gateway Integration: %s", err)
+	}
+
+	d.SetId(fmt.Sprintf("agi-%s-%s-%s", d.Get("rest_api_id").(string), d.Get("resource_id").(string), d.Get("http_method").(string)))
+
+	return resourceAwsApiGatewayIntegrationRead(d, meta)
+}
+
 func resourceAwsApiGatewayIntegrationDelete(d *schema.ResourceData, meta interface{}) error {
 	conn := meta.(*AWSClient).apigateway
 	log.Printf("[DEBUG] Deleting API Gateway Integration: %s", d.Id())

builtin/providers/aws/resource_aws_api_gateway_integration_test.go

@@ -19,88 +19,80 @@ func TestAccAWSAPIGatewayIntegration_basic(t *testing.T) {
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAWSAPIGatewayIntegrationDestroy,
 		Steps: []resource.TestStep{
-			resource.TestStep{
+			{
 				Config: testAccAWSAPIGatewayIntegrationConfig,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSAPIGatewayIntegrationExists("aws_api_gateway_integration.test", &conf),
-					testAccCheckAWSAPIGatewayIntegrationAttributes(&conf),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "type", "HTTP"),
-					resource.TestCheckResourceAttr(
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "integration_http_method", "GET"),
-						"aws_api_gateway_integration.test", "type", "HTTP"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "uri", "https://www.google.de"),
-					resource.TestCheckResourceAttr(
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "passthrough_behavior", "WHEN_NO_MATCH"),
-						"aws_api_gateway_integration.test", "integration_http_method", "GET"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "content_handling", "CONVERT_TO_TEXT"),
-					resource.TestCheckResourceAttr(
+					resource.TestCheckNoResourceAttr("aws_api_gateway_integration.test", "credentials"),
-						"aws_api_gateway_integration.test", "uri", "https://www.google.de"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_parameters.%", "2"),
-					resource.TestCheckResourceAttr(
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_parameters.integration.request.header.X-Authorization", "'static'"),
-						"aws_api_gateway_integration.test", "request_templates.application/json", ""),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_parameters.integration.request.header.X-Foo", "'Bar'"),
-					resource.TestCheckResourceAttr(
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_templates.%", "2"),
-						"aws_api_gateway_integration.test", "request_templates.application/xml", "#set($inputRoot = $input.path('$'))\n{ }"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_templates.application/json", ""),
-					resource.TestCheckResourceAttr(
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_templates.application/xml", "#set($inputRoot = $input.path('$'))\n{ }"),
-						"aws_api_gateway_integration.test", "passthrough_behavior", "WHEN_NO_MATCH"),
-					resource.TestCheckNoResourceAttr(
-						"aws_api_gateway_integration.test", "content_handling"),
 				),
 			},
 
-			resource.TestStep{
+			{
 				Config: testAccAWSAPIGatewayIntegrationConfigUpdate,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAWSAPIGatewayIntegrationExists("aws_api_gateway_integration.test", &conf),
-					testAccCheckAWSAPIGatewayMockIntegrationAttributes(&conf),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "type", "HTTP"),
-					resource.TestCheckResourceAttr(
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "integration_http_method", "GET"),
-						"aws_api_gateway_integration.test", "type", "MOCK"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "uri", "https://www.google.de"),
-					resource.TestCheckResourceAttr(
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "passthrough_behavior", "WHEN_NO_MATCH"),
-						"aws_api_gateway_integration.test", "integration_http_method", ""),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "content_handling", "CONVERT_TO_TEXT"),
-					resource.TestCheckResourceAttr(
+					resource.TestCheckNoResourceAttr("aws_api_gateway_integration.test", "credentials"),
-						"aws_api_gateway_integration.test", "uri", ""),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_parameters.%", "2"),
-					resource.TestCheckResourceAttr(
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_parameters.integration.request.header.X-Authorization", "'updated'"),
-						"aws_api_gateway_integration.test", "passthrough_behavior", "NEVER"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_parameters.integration.request.header.X-FooBar", "'Baz'"),
-					resource.TestCheckResourceAttr(
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_templates.%", "2"),
-						"aws_api_gateway_integration.test", "content_handling", "CONVERT_TO_BINARY"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_templates.application/json", "{'foobar': 'bar}"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_templates.text/html", "<html>Foo</html>"),
+				),
+			},
+
+			{
+				Config: testAccAWSAPIGatewayIntegrationConfigUpdateNoTemplates,
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckAWSAPIGatewayIntegrationExists("aws_api_gateway_integration.test", &conf),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "type", "HTTP"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "integration_http_method", "GET"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "uri", "https://www.google.de"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "passthrough_behavior", "WHEN_NO_MATCH"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "content_handling", "CONVERT_TO_TEXT"),
+					resource.TestCheckNoResourceAttr("aws_api_gateway_integration.test", "credentials"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_parameters.%", "0"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_templates.%", "0"),
+				),
+			},
+
+			{
+				Config: testAccAWSAPIGatewayIntegrationConfig,
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckAWSAPIGatewayIntegrationExists("aws_api_gateway_integration.test", &conf),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "type", "HTTP"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "integration_http_method", "GET"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "uri", "https://www.google.de"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "passthrough_behavior", "WHEN_NO_MATCH"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "content_handling", "CONVERT_TO_TEXT"),
+					resource.TestCheckNoResourceAttr("aws_api_gateway_integration.test", "credentials"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_parameters.%", "2"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_parameters.integration.request.header.X-Authorization", "'static'"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_templates.%", "2"),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_templates.application/json", ""),
+					resource.TestCheckResourceAttr("aws_api_gateway_integration.test", "request_templates.application/xml", "#set($inputRoot = $input.path('$'))\n{ }"),
 				),
 			},
 		},
 	})
 }
 
-func testAccCheckAWSAPIGatewayMockIntegrationAttributes(conf *apigateway.Integration) resource.TestCheckFunc {
-	return func(s *terraform.State) error {
-		if *conf.Type != "MOCK" {
-			return fmt.Errorf("Wrong Type: %q", *conf.Type)
-		}
-		if *conf.RequestParameters["integration.request.header.X-Authorization"] != "'updated'" {
-			return fmt.Errorf("wrong updated RequestParameters for header.X-Authorization")
-		}
-		if *conf.ContentHandling != "CONVERT_TO_BINARY" {
-			return fmt.Errorf("wrong ContentHandling: %q", *conf.ContentHandling)
-		}
-		return nil
-	}
-}
-
-func testAccCheckAWSAPIGatewayIntegrationAttributes(conf *apigateway.Integration) resource.TestCheckFunc {
-	return func(s *terraform.State) error {
-		if *conf.HttpMethod == "" {
-			return fmt.Errorf("empty HttpMethod")
-		}
-		if *conf.Uri != "https://www.google.de" {
-			return fmt.Errorf("wrong Uri")
-		}
-		if *conf.Type != "HTTP" {
-			return fmt.Errorf("wrong Type")
-		}
-		if conf.RequestTemplates["application/json"] != nil {
-			return fmt.Errorf("wrong RequestTemplate for application/json")
-		}
-		if *conf.RequestTemplates["application/xml"] != "#set($inputRoot = $input.path('$'))\n{ }" {
-			return fmt.Errorf("wrong RequestTemplate for application/xml")
-		}
-		if *conf.RequestParameters["integration.request.header.X-Authorization"] != "'static'" {
-			return fmt.Errorf("wrong RequestParameters for header.X-Authorization")
-		}
-		return nil
-	}
-}
-
 func testAccCheckAWSAPIGatewayIntegrationExists(n string, res *apigateway.Integration) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 		rs, ok := s.RootModule().Resources[n]
@@ -197,12 +189,14 @@ resource "aws_api_gateway_integration" "test" {
 
   request_parameters = {
     "integration.request.header.X-Authorization" = "'static'"
+    "integration.request.header.X-Foo" = "'Bar'"
   }
 
   type = "HTTP"
   uri = "https://www.google.de"
   integration_http_method = "GET"
   passthrough_behavior = "WHEN_NO_MATCH"
+  content_handling = "CONVERT_TO_TEXT"
 }
 `
 
@@ -233,13 +227,55 @@ resource "aws_api_gateway_integration" "test" {
   resource_id = "${aws_api_gateway_resource.test.id}"
   http_method = "${aws_api_gateway_method.test.http_method}"
 
-  request_parameters = {
+  request_templates = {
-	  "integration.request.header.X-Authorization" = "'updated'"
+    "application/json" = "{'foobar': 'bar}"
+    "text/html" = "<html>Foo</html>"
   }
 
-  type = "MOCK"
+  request_parameters = {
-  passthrough_behavior = "NEVER"
+    "integration.request.header.X-Authorization" = "'updated'"
-  content_handling = "CONVERT_TO_BINARY"
+    "integration.request.header.X-FooBar" = "'Baz'"
+  }
 
+  type = "HTTP"
+  uri = "https://www.google.de"
+  integration_http_method = "GET"
+  passthrough_behavior = "WHEN_NO_MATCH"
+  content_handling = "CONVERT_TO_TEXT"
+}
+`
+
+const testAccAWSAPIGatewayIntegrationConfigUpdateNoTemplates = `
+resource "aws_api_gateway_rest_api" "test" {
+  name = "test"
+}
+
+resource "aws_api_gateway_resource" "test" {
+  rest_api_id = "${aws_api_gateway_rest_api.test.id}"
+  parent_id = "${aws_api_gateway_rest_api.test.root_resource_id}"
+  path_part = "test"
+}
+
+resource "aws_api_gateway_method" "test" {
+  rest_api_id = "${aws_api_gateway_rest_api.test.id}"
+  resource_id = "${aws_api_gateway_resource.test.id}"
+  http_method = "GET"
+  authorization = "NONE"
+
+  request_models = {
+    "application/json" = "Error"
+  }
+}
+
+resource "aws_api_gateway_integration" "test" {
+  rest_api_id = "${aws_api_gateway_rest_api.test.id}"
+  resource_id = "${aws_api_gateway_resource.test.id}"
+  http_method = "${aws_api_gateway_method.test.http_method}"
+
+  type = "HTTP"
+  uri = "https://www.google.de"
+  integration_http_method = "GET"
+  passthrough_behavior = "WHEN_NO_MATCH"
+  content_handling = "CONVERT_TO_TEXT"
 }
 `

website/source/docs/providers/aws/r/api_gateway_integration.html.markdown

@@ -3,12 +3,12 @@ layout: "aws"
 page_title: "AWS: aws_api_gateway_integration"
 sidebar_current: "docs-aws-resource-api-gateway-integration"
 description: |-
-  Provides an HTTP Method Integration for an API Gateway Resource.
+  Provides an HTTP Method Integration for an API Gateway Integration.
 ---
 
 # aws\_api\_gateway\_integration
 
-Provides an HTTP Method Integration for an API Gateway Resource.
+Provides an HTTP Method Integration for an API Gateway Integration.
 
 ## Example Usage
 
@@ -37,6 +37,10 @@ resource "aws_api_gateway_integration" "MyDemoIntegration" {
   http_method = "${aws_api_gateway_method.MyDemoMethod.http_method}"
   type        = "MOCK"
 
+  request_parameters = {
+    "integration.request.header.X-Authorization" = "'static'"
+  }
+
   # Transforms the incoming XML request to JSON
   request_templates {
     "application/xml" = <<EOF