provider/aws: Add Cognito Identity Pool Roles Attachment

builtin/providers/aws/provider.go

@@ -261,6 +261,7 @@ func Provider() terraform.ResourceProvider {
 			"aws_config_configuration_recorder_status":     resourceAwsConfigConfigurationRecorderStatus(),
 			"aws_config_delivery_channel":                  resourceAwsConfigDeliveryChannel(),
 			"aws_cognito_identity_pool":                    resourceAwsCognitoIdentityPool(),
+			"aws_cognito_identity_pool_roles_attachment":   resourceAwsCognitoIdentityPoolRolesAttachment(),
 			"aws_autoscaling_lifecycle_hook":               resourceAwsAutoscalingLifecycleHook(),
 			"aws_cloudwatch_metric_alarm":                  resourceAwsCloudWatchMetricAlarm(),
 			"aws_codedeploy_app":                           resourceAwsCodeDeployApp(),

builtin/providers/aws/resource_aws_cognito_identity_pool_roles_attachment.go

@@ -0,0 +1,315 @@
+package aws
+
+import (
+	"fmt"
+	"log"
+	"time"
+
+	"bytes"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/service/cognitoidentity"
+	"github.com/hashicorp/terraform/helper/hashcode"
+	"github.com/hashicorp/terraform/helper/resource"
+	"github.com/hashicorp/terraform/helper/schema"
+)
+
+func resourceAwsCognitoIdentityPoolRolesAttachment() *schema.Resource {
+	return &schema.Resource{
+		Create: resourceAwsCognitoIdentityPoolRolesAttachmentCreate,
+		Read:   resourceAwsCognitoIdentityPoolRolesAttachmentRead,
+		Update: resourceAwsCognitoIdentityPoolRolesAttachmentUpdate,
+		Delete: resourceAwsCognitoIdentityPoolRolesAttachmentDelete,
+
+		Schema: map[string]*schema.Schema{
+			"identity_pool_id": {
+				Type:     schema.TypeString,
+				Required: true,
+				ForceNew: true,
+			},
+
+			"role_mappings": {
+				Type:     schema.TypeList,
+				Optional: true,
+				MaxItems: 1,
+				Elem: &schema.Resource{
+					Schema: map[string]*schema.Schema{
+						"role_mapping": {
+							Type:     schema.TypeSet,
+							Required: true,
+							Elem: &schema.Resource{
+								Schema: map[string]*schema.Schema{
+									"key": {
+										Type:     schema.TypeString,
+										Required: true,
+									},
+									"value": {
+										Type:     schema.TypeSet,
+										MaxItems: 1,
+										Required: true,
+										Elem: &schema.Resource{
+											Schema: map[string]*schema.Schema{
+												"ambiguous_role_resolution": {
+													Type:         schema.TypeString,
+													ValidateFunc: validateCognitoRoleMappingsAmbiguousRoleResolution,
+													Optional:     true, // Required if Type equals Token or Rules.
+												},
+												"rules_configuration": {
+													Type:     schema.TypeSet,
+													MaxItems: 1,
+													Optional: true,
+													Elem: &schema.Resource{
+														Schema: map[string]*schema.Schema{
+															"rules": {
+																Type:     schema.TypeList,
+																Required: true,
+																MaxItems: 25,
+																Elem: &schema.Resource{
+																	Schema: map[string]*schema.Schema{
+																		"claim": {
+																			Type:         schema.TypeString,
+																			Required:     true,
+																			ValidateFunc: validateCognitoRoleMappingsRulesClaim,
+																		},
+																		"match_type": {
+																			Type:         schema.TypeString,
+																			Required:     true,
+																			ValidateFunc: validateCognitoRoleMappingsRulesMatchType,
+																		},
+																		"role_arn": {
+																			Type:         schema.TypeString,
+																			Required:     true,
+																			ValidateFunc: validateArn,
+																		},
+																		"value": {
+																			Type:         schema.TypeString,
+																			Required:     true,
+																			ValidateFunc: validateCognitoRoleMappingsRulesValue,
+																		},
+																	},
+																},
+															},
+														},
+													},
+												},
+												"type": {
+													Type:         schema.TypeString,
+													Required:     true,
+													ValidateFunc: validateCognitoRoleMappingsType,
+												},
+											},
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+
+			"roles": {
+				Type:     schema.TypeMap,
+				Required: true,
+				ForceNew: true,
+				Elem: &schema.Resource{
+					Schema: map[string]*schema.Schema{
+						"authenticated": {
+							Type:         schema.TypeString,
+							ValidateFunc: validateArn,
+							Optional:     true, // Required if unauthenticated isn't defined.
+						},
+						"unauthenticated": {
+							Type:         schema.TypeString,
+							ValidateFunc: validateArn,
+							Optional:     true, // Required if authenticated isn't defined.
+						},
+					},
+				},
+			},
+		},
+	}
+}
+
+func resourceAwsCognitoIdentityPoolRolesAttachmentCreate(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).cognitoconn
+	log.Print("[DEBUG] Creating Cognito Identity Pool Roles Association")
+
+	// Validates role keys to be either authenticated or unauthenticated,
+	// since ValidateFunc validates only the value not the key.
+	if errors := validateCognitoRoles(d.Get("roles").(map[string]interface{}), "roles"); len(errors) > 0 {
+		return fmt.Errorf("Error validating Roles: %v", errors)
+	}
+
+	params := &cognitoidentity.SetIdentityPoolRolesInput{
+		IdentityPoolId: aws.String(d.Get("identity_pool_id").(string)),
+		Roles:          expandCognitoIdentityPoolRoles(d.Get("roles").(map[string]interface{})),
+	}
+
+	if v, ok := d.GetOk("role_mappings"); ok {
+		rms := v.([]interface{})[0].(map[string]interface{})
+		errors := validateRoleMappings(rms["role_mapping"].(*schema.Set).List())
+
+		if len(errors) > 0 {
+			return fmt.Errorf("Error validating ambiguous role resolution: %v", errors)
+		}
+
+		params.RoleMappings = expandCognitoIdentityPoolRoleMappingsAttachment(v.([]interface{}))
+	}
+
+	_, err := conn.SetIdentityPoolRoles(params)
+	if err != nil {
+		return fmt.Errorf("Error creating Cognito Identity Pool Roles Association: %s", err)
+	}
+
+	d.SetId(d.Get("identity_pool_id").(string))
+
+	return resourceAwsCognitoIdentityPoolRolesAttachmentRead(d, meta)
+}
+
+func resourceAwsCognitoIdentityPoolRolesAttachmentRead(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).cognitoconn
+	log.Printf("[DEBUG] Reading Cognito Identity Pool Roles Association: %s", d.Id())
+
+	ip, err := conn.GetIdentityPoolRoles(&cognitoidentity.GetIdentityPoolRolesInput{
+		IdentityPoolId: aws.String(d.Get("identity_pool_id").(string)),
+	})
+	if err != nil {
+		if awsErr, ok := err.(awserr.Error); ok && awsErr.Code() == "ResourceNotFoundException" {
+			d.SetId("")
+			return nil
+		}
+		return err
+	}
+
+	if err := d.Set("roles", flattenCognitoIdentityPoolRoles(ip.Roles)); err != nil {
+		return fmt.Errorf("[DEBUG] Error setting roles error: %#v", err)
+	}
+
+	if err := d.Set("role_mappings", flattenCognitoIdentityPoolRoleMappingsAttachment(ip.RoleMappings)); err != nil {
+		return fmt.Errorf("[DEBUG] Error setting role mappings error: %#v", err)
+	}
+
+	return nil
+}
+
+func resourceAwsCognitoIdentityPoolRolesAttachmentUpdate(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).cognitoconn
+	log.Printf("[DEBUG] Updating Cognito Identity Pool Roles Association: %s", d.Id())
+
+	// Validates role keys to be either authenticated or unauthenticated,
+	// since ValidateFunc validates only the value not the key.
+	if errors := validateCognitoRoles(d.Get("roles").(map[string]interface{}), "roles"); len(errors) > 0 {
+		return fmt.Errorf("Error validating Roles: %v", errors)
+	}
+
+	params := &cognitoidentity.SetIdentityPoolRolesInput{
+		IdentityPoolId: aws.String(d.Get("identity_pool_id").(string)),
+		Roles:          expandCognitoIdentityPoolRoles(d.Get("roles").(map[string]interface{})),
+	}
+
+	if d.HasChange("role_mappings") {
+		v, ok := d.GetOk("role_mappings")
+		var mappings []interface{}
+
+		if ok {
+			rms := v.([]interface{})[0].(map[string]interface{})
+			errors := validateRoleMappings(rms["role_mapping"].(*schema.Set).List())
+
+			if len(errors) > 0 {
+				return fmt.Errorf("Error validating ambiguous role resolution: %v", errors)
+			}
+			mappings = v.([]interface{})
+		} else {
+			mappings = []interface{}{}
+		}
+
+		params.RoleMappings = expandCognitoIdentityPoolRoleMappingsAttachment(mappings)
+	}
+
+	_, err := conn.SetIdentityPoolRoles(params)
+	if err != nil {
+		return fmt.Errorf("Error updating Cognito Identity Pool Roles Association: %s", err)
+	}
+
+	d.SetId(d.Get("identity_pool_id").(string))
+
+	return resourceAwsCognitoIdentityPoolRolesAttachmentRead(d, meta)
+}
+
+func resourceAwsCognitoIdentityPoolRolesAttachmentDelete(d *schema.ResourceData, meta interface{}) error {
+	conn := meta.(*AWSClient).cognitoconn
+	log.Printf("[DEBUG] Deleting Cognito Identity Pool Roles Association: %s", d.Id())
+
+	return resource.Retry(5*time.Minute, func() *resource.RetryError {
+		_, err := conn.SetIdentityPoolRoles(&cognitoidentity.SetIdentityPoolRolesInput{
+			IdentityPoolId: aws.String(d.Get("identity_pool_id").(string)),
+			Roles:          expandCognitoIdentityPoolRoles(make(map[string]interface{})),
+			RoleMappings:   expandCognitoIdentityPoolRoleMappingsAttachment([]interface{}{}),
+		})
+
+		if err == nil {
+			return nil
+		}
+
+		return resource.NonRetryableError(err)
+	})
+}
+
+// Validating that each role_mapping ambiguous_role_resolution
+// is defined when "type" equals Token or Rules.
+func validateRoleMappings(roleMappings []interface{}) []error {
+	errors := make([]error, 0)
+
+	for _, r := range roleMappings {
+		rm := r.(map[string]interface{})
+		roleMapping := rm["value"].(*schema.Set).List()
+
+		// If Type equals "Token" or "Rules", ambiguous_role_resolution must be defined.
+		// This should be removed as soon as we can have a ValidateFuncAgainst callable on the schema.
+		if err := validateCognitoRoleMappingsAmbiguousRoleResolutionAgainstType(roleMapping[0].(map[string]interface{})); len(err) > 0 {
+			errors = append(errors, fmt.Errorf("Role Mapping %q: %v", rm["key"].(string), err))
+		}
+
+		// Validating that Rules Configuration is defined when Type equals Rules
+		// but not defined when Type equals Token.
+		if err := validateCognitoRoleMappingsRulesConfiguration(roleMapping[0].(map[string]interface{})); len(err) > 0 {
+			errors = append(errors, fmt.Errorf("Role Mapping %q: %v", rm["key"].(string), err))
+		}
+	}
+
+	return errors
+}
+
+func cognitoRoleMappingHash(v interface{}) int {
+	var buf bytes.Buffer
+	m := v.(map[string]interface{})
+	buf.WriteString(fmt.Sprintf("%s-", m["key"].(string)))
+
+	return hashcode.String(buf.String())
+}
+
+func cognitoRoleMappingValueHash(v interface{}) int {
+	var buf bytes.Buffer
+	m := v.(map[string]interface{})
+	buf.WriteString(fmt.Sprintf("%s-", m["type"].(string)))
+	if d, ok := m["ambiguous_role_resolution"]; ok {
+		buf.WriteString(fmt.Sprintf("%s-", d.(string)))
+	}
+
+	return hashcode.String(buf.String())
+}
+
+func cognitoRoleMappingRulesConfigurationHash(v interface{}) int {
+	var buf bytes.Buffer
+	m := v.(map[string]interface{})
+	for _, rule := range m["rules"].([]interface{}) {
+		r := rule.(map[string]interface{})
+		buf.WriteString(fmt.Sprintf("%s-", r["claim"].(string)))
+		buf.WriteString(fmt.Sprintf("%s-", r["match_type"].(string)))
+		buf.WriteString(fmt.Sprintf("%s-", r["role_arn"].(string)))
+		buf.WriteString(fmt.Sprintf("%s-", r["value"].(string)))
+	}
+
+	return hashcode.String(buf.String())
+}