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resource_aws_vpc_endpoint_service_allowed_principal.go
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resource_aws_vpc_endpoint_service_allowed_principal.go
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package aws
import (
"fmt"
"log"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/hashicorp/terraform/helper/hashcode"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceAwsVpcEndpointServiceAllowedPrincipal() *schema.Resource {
return &schema.Resource{
Create: resourceAwsVpcEndpointServiceAllowedPrincipalCreate,
Read: resourceAwsVpcEndpointServiceAllowedPrincipalRead,
Delete: resourceAwsVpcEndpointServiceAllowedPrincipalDelete,
Schema: map[string]*schema.Schema{
"vpc_endpoint_service_id": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"principal_arn": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
},
}
}
func resourceAwsVpcEndpointServiceAllowedPrincipalCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
svcId := d.Get("vpc_endpoint_service_id").(string)
arn := d.Get("principal_arn").(string)
_, err := findResourceVpcEndpointServiceAllowedPrincipals(conn, svcId)
if err != nil {
return err
}
_, err = conn.ModifyVpcEndpointServicePermissions(&ec2.ModifyVpcEndpointServicePermissionsInput{
ServiceId: aws.String(svcId),
AddAllowedPrincipals: aws.StringSlice([]string{arn}),
})
if err != nil {
return fmt.Errorf("Error creating VPC Endpoint Service allowed principal: %s", err.Error())
}
d.SetId(vpcEndpointServiceIdPrincipalArnHash(svcId, arn))
return resourceAwsVpcEndpointServiceAllowedPrincipalRead(d, meta)
}
func resourceAwsVpcEndpointServiceAllowedPrincipalRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
svcId := d.Get("vpc_endpoint_service_id").(string)
arn := d.Get("principal_arn").(string)
principals, err := findResourceVpcEndpointServiceAllowedPrincipals(conn, svcId)
if err != nil {
if isAWSErr(err, "InvalidVpcEndpointServiceId.NotFound", "") {
log.Printf("[WARN]VPC Endpoint Service (%s) not found, removing VPC Endpoint Service allowed principal (%s) from state", svcId, d.Id())
d.SetId("")
return nil
}
return err
}
found := false
for _, principal := range principals {
if aws.StringValue(principal.Principal) == arn {
found = true
break
}
}
if !found {
log.Printf("[WARN] VPC Endpoint Service allowed principal (%s) not found, removing from state", d.Id())
d.SetId("")
return nil
}
return nil
}
func resourceAwsVpcEndpointServiceAllowedPrincipalDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
svcId := d.Get("vpc_endpoint_service_id").(string)
arn := d.Get("principal_arn").(string)
_, err := conn.ModifyVpcEndpointServicePermissions(&ec2.ModifyVpcEndpointServicePermissionsInput{
ServiceId: aws.String(svcId),
RemoveAllowedPrincipals: aws.StringSlice([]string{arn}),
})
if err != nil {
if !isAWSErr(err, "InvalidVpcEndpointServiceId.NotFound", "") {
return fmt.Errorf("Error deleting VPC Endpoint Service allowed principal: %s", err.Error())
}
}
return nil
}
func findResourceVpcEndpointServiceAllowedPrincipals(conn *ec2.EC2, id string) ([]*ec2.AllowedPrincipal, error) {
resp, err := conn.DescribeVpcEndpointServicePermissions(&ec2.DescribeVpcEndpointServicePermissionsInput{
ServiceId: aws.String(id),
})
if err != nil {
return nil, err
}
return resp.AllowedPrincipals, nil
}
func vpcEndpointServiceIdPrincipalArnHash(svcId, arn string) string {
return fmt.Sprintf("a-%s%d", svcId, hashcode.String(arn))
}