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eks_node_group_role.tf
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# Permissions for node group
resource "aws_iam_role" "eks_node_group_role" {
count = !var.use_fargate ? 1 : 0
name = "${var.eks_cluster_name}-node-group-role"
assume_role_policy = data.aws_iam_policy_document.eks_node_group_assume_role_policy[0].json
tags = merge(var.tags, var.default_tags, local.node_group_resources_additional_tags)
}
data "aws_iam_policy_document" "eks_node_group_assume_role_policy" {
count = !var.use_fargate ? 1 : 0
statement {
actions = ["sts:AssumeRole"]
principals {
type = "Service"
identifiers = ["ec2.amazonaws.com"]
}
}
statement {
actions = [
"sts:AssumeRole",
"sts:TagSession"
]
principals {
type = "Service"
identifiers = ["pods.eks.amazonaws.com"]
}
}
}
resource "aws_iam_role_policy_attachment" "AmazonEKSWorkerNodePolicy" {
count = !var.use_fargate ? 1 : 0
policy_arn = "arn:aws:iam::aws:policy/AmazonEKSWorkerNodePolicy"
role = aws_iam_role.eks_node_group_role[0].name
}
resource "aws_iam_role_policy_attachment" "AmazonEKS_CNI_Policy" {
count = !var.use_fargate ? 1 : 0
policy_arn = "arn:aws:iam::aws:policy/AmazonEKS_CNI_Policy"
role = aws_iam_role.eks_node_group_role[0].name
}
resource "aws_iam_role_policy_attachment" "AmazonEC2ContainerRegistryReadOnly" {
count = !var.use_fargate ? 1 : 0
policy_arn = "arn:aws:iam::aws:policy/AmazonEC2ContainerRegistryReadOnly"
role = aws_iam_role.eks_node_group_role[0].name
}
resource "aws_iam_role_policy_attachment" "AmazonSSMManagedInstanceCore" {
count = var.use_karpenter ? 1 : 0
policy_arn = "arn:aws:iam::aws:policy/AmazonSSMManagedInstanceCore"
role = aws_iam_role.eks_node_group_role[0].name
}
resource "aws_iam_role_policy_attachment" "ElasticLoadBalancingFullAccess" {
count = var.use_karpenter ? 1 : 0
policy_arn = "arn:aws:iam::aws:policy/ElasticLoadBalancingFullAccess"
role = aws_iam_role.eks_node_group_role[0].name
}
resource "aws_iam_policy" "eks_node_group_custom_policy" {
count = !var.use_fargate ? 1 : 0
name = "${var.eks_cluster_name}-node-group-cust-policy"
description = "Policy that allows access to other resources (used by ALB controller to interact with albs)"
policy = <<EOF
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"iam:CreateServiceLinkedRole"
],
"Resource": "*",
"Condition": {
"StringEquals": {
"iam:AWSServiceName": "elasticloadbalancing.amazonaws.com"
}
}
},
{
"Effect": "Allow",
"Action": [
"ec2:DescribeAccountAttributes",
"ec2:DescribeAddresses",
"ec2:DescribeAvailabilityZones",
"ec2:DescribeInternetGateways",
"ec2:DescribeVpcs",
"ec2:DescribeVpcPeeringConnections",
"ec2:DescribeSubnets",
"ec2:DescribeSecurityGroups",
"ec2:DescribeInstances",
"ec2:DescribeNetworkInterfaces",
"ec2:DescribeTags",
"ec2:GetCoipPoolUsage",
"ec2:DescribeCoipPools",
"ec2:AttachVolume",
"ec2:CreateSnapshot",
"ec2:CreateTags",
"ec2:CreateVolume",
"ec2:DeleteSnapshot",
"ec2:DeleteTags",
"ec2:DeleteVolume",
"ec2:DescribeInstances",
"ec2:DescribeSnapshots",
"ec2:DescribeTags",
"ec2:DescribeVolumes",
"ec2:DetachVolume",
"ec2:AuthorizeSecurityGroupIngress",
"ec2:RevokeSecurityGroupIngress",
"ec2:CreateSecurityGroup",
"ec2:TerminateInstances",
"elasticloadbalancing:DescribeLoadBalancers",
"elasticloadbalancing:DescribeLoadBalancerAttributes",
"elasticloadbalancing:DescribeListeners",
"elasticloadbalancing:DescribeListenerCertificates",
"elasticloadbalancing:DescribeSSLPolicies",
"elasticloadbalancing:DescribeRules",
"elasticloadbalancing:DescribeTargetGroups",
"elasticloadbalancing:DescribeTargetGroupAttributes",
"elasticloadbalancing:DescribeTargetHealth",
"elasticloadbalancing:DescribeTags"
],
"Resource": "*"
},
{
"Effect": "Allow",
"Action": [
"cognito-idp:DescribeUserPoolClient",
"acm:ListCertificates",
"acm:DescribeCertificate",
"iam:ListServerCertificates",
"iam:GetServerCertificate",
"waf-regional:GetWebACL",
"waf-regional:GetWebACLForResource",
"waf-regional:AssociateWebACL",
"waf-regional:DisassociateWebACL",
"wafv2:GetWebACL",
"wafv2:GetWebACLForResource",
"wafv2:AssociateWebACL",
"wafv2:DisassociateWebACL",
"shield:GetSubscriptionState",
"shield:DescribeProtection",
"shield:CreateProtection",
"shield:DeleteProtection"
],
"Resource": "*"
},
{
"Effect": "Allow",
"Action": [
"ec2:CreateTags"
],
"Resource": "arn:aws:ec2:*:*:security-group/*",
"Condition": {
"StringEquals": {
"ec2:CreateAction": "CreateSecurityGroup"
},
"Null": {
"aws:RequestTag/elbv2.k8s.aws/cluster": "false"
}
}
},
{
"Effect": "Allow",
"Action": [
"ec2:CreateTags",
"ec2:DeleteTags"
],
"Resource": "arn:aws:ec2:*:*:security-group/*",
"Condition": {
"Null": {
"aws:RequestTag/elbv2.k8s.aws/cluster": "true",
"aws:ResourceTag/elbv2.k8s.aws/cluster": "false"
}
}
},
{
"Effect": "Allow",
"Action": [
"ec2:AuthorizeSecurityGroupIngress",
"ec2:RevokeSecurityGroupIngress",
"ec2:DeleteSecurityGroup"
],
"Resource": "*",
"Condition": {
"Null": {
"aws:ResourceTag/elbv2.k8s.aws/cluster": "false"
}
}
},
{
"Effect": "Allow",
"Action": [
"elasticloadbalancing:CreateLoadBalancer",
"elasticloadbalancing:CreateTargetGroup"
],
"Resource": "*",
"Condition": {
"Null": {
"aws:RequestTag/elbv2.k8s.aws/cluster": "false"
}
}
},
{
"Effect": "Allow",
"Action": [
"elasticloadbalancing:CreateListener",
"elasticloadbalancing:DeleteListener",
"elasticloadbalancing:CreateRule",
"elasticloadbalancing:DeleteRule"
],
"Resource": "*"
},
{
"Effect": "Allow",
"Action": [
"elasticloadbalancing:AddTags",
"elasticloadbalancing:RemoveTags"
],
"Resource": [
"arn:aws:elasticloadbalancing:*:*:targetgroup/*/*",
"arn:aws:elasticloadbalancing:*:*:loadbalancer/net/*/*",
"arn:aws:elasticloadbalancing:*:*:loadbalancer/app/*/*"
],
"Condition": {
"Null": {
"aws:RequestTag/elbv2.k8s.aws/cluster": "true",
"aws:ResourceTag/elbv2.k8s.aws/cluster": "false"
}
}
},
{
"Effect": "Allow",
"Action": [
"elasticloadbalancing:AddTags",
"elasticloadbalancing:RemoveTags"
],
"Resource": [
"arn:aws:elasticloadbalancing:*:*:listener/net/*/*/*",
"arn:aws:elasticloadbalancing:*:*:listener/app/*/*/*",
"arn:aws:elasticloadbalancing:*:*:listener-rule/net/*/*/*",
"arn:aws:elasticloadbalancing:*:*:listener-rule/app/*/*/*"
]
},
{
"Effect": "Allow",
"Action": [
"elasticloadbalancing:ModifyLoadBalancerAttributes",
"elasticloadbalancing:SetIpAddressType",
"elasticloadbalancing:SetSecurityGroups",
"elasticloadbalancing:SetSubnets",
"elasticloadbalancing:DeleteLoadBalancer",
"elasticloadbalancing:ModifyTargetGroup",
"elasticloadbalancing:ModifyTargetGroupAttributes",
"elasticloadbalancing:DeleteTargetGroup"
],
"Resource": "*",
"Condition": {
"Null": {
"aws:ResourceTag/elbv2.k8s.aws/cluster": "false"
}
}
},
{
"Effect": "Allow",
"Action": [
"elasticloadbalancing:RegisterTargets",
"elasticloadbalancing:DeregisterTargets"
],
"Resource": "arn:aws:elasticloadbalancing:*:*:targetgroup/*/*"
},
{
"Effect": "Allow",
"Action": [
"elasticloadbalancing:SetWebAcl",
"elasticloadbalancing:ModifyListener",
"elasticloadbalancing:AddListenerCertificates",
"elasticloadbalancing:RemoveListenerCertificates",
"elasticloadbalancing:ModifyRule"
],
"Resource": "*"
},
{
"Effect": "Allow",
"Action": [
"ecr:*"
],
"Resource": "*"
},
{
"Effect": "Allow",
"Action": [
"sqs:*"
],
"Resource": "*"
}
]
}
EOF
}
resource "aws_iam_role_policy_attachment" "claire_api_iam_role_policy_attachment" {
count = !var.use_fargate ? 1 : 0
role = aws_iam_role.eks_node_group_role[0].name
policy_arn = aws_iam_policy.eks_node_group_custom_policy[0].arn
}