Policy structure
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "VisualEditor0",
"Effect": "Allow",
"Action": "kms:Decrypt",
"Resource": "arn:aws:kms:eu-central-1:1234567:key/410e932b-6c53-4555-bd91-334554a187d4"
}
]
}
EC2 Actions
Actions can be seen in the following link: link
To each action name prepend “ec2:” and then attach it to policy
For action StartInstances, a permission action would be “ec2:StartInstances“