- At least 2 subnets (for HA)
- All subnets with
Auto-assign IPv4 = on - All subnets with
DNS hostnames = on - Internet Gateway attached to VPC
- Route Table for all subnets with default gateway (0.0.0.0/0) routing to Internet Gateway
https://docs.aws.amazon.com/eks/latest/userguide/creating-a-vpc.html
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data "aws_caller_identity" "current" {}
resource "aws_iam_user_policy_attachment" "cluster-user-attach" {
user = data.aws_caller_identity.current.user_id
policy_arn = aws_iam_policy.cluster.arn
}
resource "aws_iam_policy" "cluster" {
name = "eks-${var.cluster_name}"
path = "/"
policy = <<POLICY
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "EksBasePolicy",
"Effect": "Allow",
"Action": [
"eks:DeleteFargateProfile",
"ec2:CreateDhcpOptions",
"ec2:AuthorizeSecurityGroupIngress",
"eks:DescribeFargateProfile",
"iam:List*",
"ec2:AttachInternetGateway",
"iam:PutRolePolicy",
"iam:AddRoleToInstanceProfile",
"ec2:UpdateSecurityGroupRuleDescriptionsIngress",
"ec2:DeleteRouteTable",
"ec2:DeleteVpnGateway",
"ec2:RevokeSecurityGroupEgress",
"ec2:CreateRoute",
"ec2:CreateInternetGateway",
"ec2:DeleteInternetGateway",
"iam:DeleteOpenIDConnectProvider",
"ec2:Associate*",
"autoscaling:DeleteTags",
"iam:GetRole",
"iam:GetPolicy",
"ec2:CreateTags",
"ec2:RunInstances",
"iam:DeleteRole",
"ec2:AssignPrivateIpAddresses",
"ec2:CreateVolume",
"eks:CreateFargateProfile",
"ec2:RevokeSecurityGroupIngress",
"ec2:CreateNetworkInterface",
"autoscaling:AttachInstances",
"ec2:DeleteDhcpOptions",
"eks:UpdateNodegroupConfig",
"ec2:DeleteNatGateway",
"eks:ListClusters",
"autoscaling:DeleteAutoScalingGroup",
"ec2:CreateSubnet",
"iam:GetOpenIDConnectProvider",
"iam:GetRolePolicy",
"ec2:ModifyVpcEndpoint",
"autoscaling:DetachInstances",
"iam:CreateInstanceProfile",
"iam:UntagRole",
"ec2:CreateNatGateway",
"iam:TagRole",
"ec2:CreateVpc",
"ec2:ModifySubnetAttribute",
"ec2:CreateDefaultSubnet",
"iam:DeleteRolePolicy",
"ec2:DeleteLaunchTemplateVersions",
"eks:CreateCluster",
"ec2:ReleaseAddress",
"iam:DeleteInstanceProfile",
"ec2:DeleteLaunchTemplate",
"eks:UntagResource",
"iam:CreatePolicy",
"autoscaling:CreateLaunchConfiguration",
"ec2:Describe*",
"ec2:CreateLaunchTemplate",
"ec2:Disassociate*",
"eks:TagResource",
"iam:UpdateAssumeRolePolicy",
"iam:GetPolicyVersion",
"ec2:DeleteSubnet",
"eks:ListTagsForResource",
"iam:RemoveRoleFromInstanceProfile",
"iam:CreateRole",
"eks:UpdateClusterConfig",
"iam:AttachRolePolicy",
"ec2:DeleteVolume",
"eks:DescribeNodegroup",
"ec2:GetLaunchTemplateData",
"iam:DetachRolePolicy",
"autoscaling:UpdateAutoScalingGroup",
"ec2:DetachVolume",
"eks:ListNodegroups",
"ec2:UpdateSecurityGroupRuleDescriptionsEgress",
"autoscaling:SetDesiredCapacity",
"ec2:CreateRouteTable",
"ec2:DeleteNetworkInterface",
"autoscaling:SuspendProcesses",
"ec2:DetachInternetGateway",
"eks:DeleteCluster",
"eks:DeleteNodegroup",
"autoscaling:CreateOrUpdateTags",
"eks:DescribeCluster",
"iam:DeleteServiceLinkedRole",
"ec2:DeleteVpc",
"ec2:CreateEgressOnlyInternetGateway",
"autoscaling:CreateAutoScalingGroup",
"eks:UpdateClusterVersion",
"autoscaling:Describe*",
"ec2:DeleteTags",
"iam:DeletePolicy",
"eks:UpdateNodegroupVersion",
"ec2:CreateSecurityGroup",
"ec2:ModifyVpcAttribute",
"iam:CreatePolicyVersion",
"ec2:AuthorizeSecurityGroupEgress",
"ec2:DeleteEgressOnlyInternetGateway",
"ec2:DetachNetworkInterface",
"iam:GetInstanceProfile",
"ec2:DeleteRoute",
"eks:CreateNodegroup",
"ec2:AllocateAddress",
"ec2:CreateLaunchTemplateVersion",
"iam:CreateOpenIDConnectProvider",
"eks:ListFargateProfiles",
"autoscaling:DeleteLaunchConfiguration",
"eks:DescribeUpdate",
"ec2:DeleteSecurityGroup",
"ec2:ModifyLaunchTemplate",
"ec2:AttachNetworkInterface"
],
"Resource": "*"
},
{
"Sid": "EksRestrictedPolicy",
"Effect": "Allow",
"Action": [
"iam:PassRole",
"iam:CreateServiceLinkedRole"
],
"Resource": [
"arn:aws:iam::XXXXXXXXXXXX:user/eks-admin-${var.cluster_name}"
]
},
{
"Sid": "EksExtraPolicy",
"Effect": "Allow",
"Action": [
"iam:DeleteAccessKey",
"iam:GetUserPolicy",
"iam:DeleteUserPolicy",
"iam:DeleteUser",
"iam:GetUser",
"iam:CreateUser",
"iam:CreateAccessKey",
"iam:PutUserPolicy",
"route53:AssociateVPCWithHostedZone"
],
"Resource": [
"arn:aws:iam::XXXXXXXXXXXX:user/${var.cluster_name}-velero-backup-*",
"arn:aws:iam::XXXXXXXXXXXX:user/${aws:username}"
]
},
{
"Sid": "EksS3Policy",
"Effect": "Allow",
"Action": "s3:*",
"Resource": "arn:aws:s3:::${var.cluster_name}-velero-backup-*"
}
]
}
POLICY
}