terraform/builtin/providers/aws/resource_aws_api_gateway_in...

349 lines
10 KiB
Go

package aws
import (
"encoding/json"
"fmt"
"log"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"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: resourceAwsApiGatewayIntegrationUpdate,
Delete: resourceAwsApiGatewayIntegrationDelete,
Schema: map[string]*schema.Schema{
"rest_api_id": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"resource_id": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"http_method": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: validateHTTPMethod,
},
"type": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: validateApiGatewayIntegrationType,
},
"uri": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"credentials": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"integration_http_method": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
ValidateFunc: validateHTTPMethod,
},
"request_templates": {
Type: schema.TypeMap,
Optional: true,
Elem: schema.TypeString,
},
"request_parameters": {
Type: schema.TypeMap,
Elem: schema.TypeString,
Optional: true,
ConflictsWith: []string{"request_parameters_in_json"},
},
"request_parameters_in_json": {
Type: schema.TypeString,
Optional: true,
ConflictsWith: []string{"request_parameters"},
Deprecated: "Use field request_parameters instead",
},
"content_handling": {
Type: schema.TypeString,
Optional: true,
ForceNew: true,
ValidateFunc: validateApiGatewayIntegrationContentHandling,
},
"passthrough_behavior": {
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
ValidateFunc: validateApiGatewayIntegrationPassthroughBehavior,
},
},
}
}
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))
}
var uri *string
if v, ok := d.GetOk("uri"); ok {
uri = aws.String(v.(string))
}
templates := make(map[string]string)
for k, v := range d.Get("request_templates").(map[string]interface{}) {
templates[k] = v.(string)
}
parameters := make(map[string]string)
if kv, ok := d.GetOk("request_parameters"); ok {
for k, v := range kv.(map[string]interface{}) {
parameters[k] = v.(string)
}
}
if v, ok := d.GetOk("request_parameters_in_json"); ok {
if err := json.Unmarshal([]byte(v.(string)), &parameters); err != nil {
return fmt.Errorf("Error unmarshaling request_parameters_in_json: %s", err)
}
}
var passthroughBehavior *string
if v, ok := d.GetOk("passthrough_behavior"); ok {
passthroughBehavior = aws.String(v.(string))
}
var credentials *string
if val, ok := d.GetOk("credentials"); ok {
credentials = aws.String(val.(string))
}
var contentHandling *string
if val, ok := d.GetOk("content_handling"); ok {
contentHandling = aws.String(val.(string))
}
_, err := conn.PutIntegration(&apigateway.PutIntegrationInput{
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)),
Type: aws.String(d.Get("type").(string)),
IntegrationHttpMethod: integrationHttpMethod,
Uri: uri,
RequestParameters: aws.StringMap(parameters),
RequestTemplates: aws.StringMap(templates),
Credentials: credentials,
CacheNamespace: nil,
CacheKeyParameters: nil,
PassthroughBehavior: passthroughBehavior,
ContentHandling: contentHandling,
})
if err != nil {
return fmt.Errorf("Error creating 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 resourceAwsApiGatewayIntegrationRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).apigateway
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)),
RestApiId: aws.String(d.Get("rest_api_id").(string)),
})
if err != nil {
if awsErr, ok := err.(awserr.Error); ok && awsErr.Code() == "NotFoundException" {
d.SetId("")
return nil
}
return err
}
log.Printf("[DEBUG] Received API Gateway Integration: %s", integration)
d.SetId(fmt.Sprintf("agi-%s-%s-%s", d.Get("rest_api_id").(string), d.Get("resource_id").(string), d.Get("http_method").(string)))
// AWS converts "" to null on their side, convert it back
if v, ok := integration.RequestTemplates["application/json"]; ok && v == nil {
integration.RequestTemplates["application/json"] = aws.String("")
}
d.Set("request_templates", aws.StringValueMap(integration.RequestTemplates))
d.Set("type", integration.Type)
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())
return resource.Retry(5*time.Minute, func() *resource.RetryError {
_, err := conn.DeleteIntegration(&apigateway.DeleteIntegrationInput{
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)),
})
if err == nil {
return nil
}
apigatewayErr, ok := err.(awserr.Error)
if apigatewayErr.Code() == "NotFoundException" {
return nil
}
if !ok {
return resource.NonRetryableError(err)
}
return resource.NonRetryableError(err)
})
}