“Unhandled rejection AccessDeniedException: Your access has been denied by EC2, please make sure your function execution role have permission to CreateNetworkInterface. EC2 Error Code: UnauthorizedOperation. EC2 Error Message: You are not authorized to perform this operation.”
That’s a pretty annoying error to receive when deploying from Serverless to AWS, but the fix is really pretty simple.
Add following role policy to the functions role:
{
"Effect": "Allow",
"Action": [
"ec2:CreateNetworkInterface",
"ec2:DescribeNetworkInterfaces",
"ec2:DeleteNetworkInterface"
],
"Resource": "*"
}
One response to “AWS/ Serverless Fixing AccessDeniedException”
This was a resolution for me with the Chalice python serverless deployment. I added
{
“Action”: [
“ec2:CreateNetworkInterface”,
“ec2:DescribeNetworkInterfaces”,
“ec2:DeleteNetworkInterface”
],
“Resource”: “*”,
“Effect”: “Allow”
},
early on in my policy.json file (custom) and it got me past the EC2 permissions issue. FTW!