feat: Add support for istio-csr addon

docs/add-ons/cert-manager-istio-csr.md

@@ -0,0 +1,24 @@
+# cert-manager-istio-csr
+
+istio-csr is an agent that allows for Istio workload and control plane components to be secured using cert-manager.
+
+For complete project documentation, please visit the [cert-manager documentation site](https://cert-manager.io/docs/usage/istio/).
+
+## Usage
+
+cert-manger-istio-csr can be deployed by enabling the add-on via the following.
+
+```hcl
+enable_cert_manager_istio_csr = true
+```
+
+### GitOps Configuration
+
+The following properties are made available for use when managing the add-on via GitOps.
+
+```
+
+certManagerIstioCsr = {
+  enable = true
+}
+```

modules/kubernetes-addons/cert-manager-istio-csr/README.md

@@ -0,0 +1,83 @@
+# Cert-manager-istio-csr Helm Chart
+
+istio-csr enables the use of cert-manager for issuing certificates in Istio service meshes
+
+For more details checkout [cert-manager-istio-csr](https://github.com/cert-manager/istio-csr) on GitHub
+
+<!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
+## Requirements
+
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0.0 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.72 |
+| <a name="requirement_helm"></a> [helm](#requirement\_helm) | >= 2.4.1 |
+| <a name="requirement_kubernetes"></a> [kubernetes](#requirement\_kubernetes) | >= 2.10 |
+
+## Providers
+
+No providers.
+
+## Modules
+
+| Name | Source | Version |
+|------|--------|---------|
+| <a name="module_helm_addon"></a> [helm\_addon](#module\_helm\_addon) | ../helm-addon | n/a |
+
+## Resources
+
+No resources.
+
+## Inputs
+
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| <a name="input_addon_context"></a> [addon\_context](#input\_addon\_context) | Input configuration for the addon | <pre>object({<br>    aws_caller_identity_account_id = string<br>    aws_caller_identity_arn        = string<br>    aws_eks_cluster_endpoint       = string<br>    aws_partition_id               = string<br>    aws_region_name                = string<br>    eks_cluster_id                 = string<br>    eks_oidc_issuer_url            = string<br>    eks_oidc_provider_arn          = string<br>    tags                           = map(string)<br>    irsa_iam_role_path             = string<br>    irsa_iam_permissions_boundary  = string<br>  })</pre> | n/a | yes |
+| <a name="input_helm_config"></a> [helm\_config](#input\_helm\_config) | Helm Config for kubecost. | `any` | `{}` | no |
+| <a name="input_manage_via_gitops"></a> [manage\_via\_gitops](#input\_manage\_via\_gitops) | Determines if the add-on should be managed via GitOps. | `bool` | `false` | no |
+
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| <a name="output_argocd_gitops_config"></a> [argocd\_gitops\_config](#output\_argocd\_gitops\_config) | Configuration used for managing the add-on with ArgoCD |
+<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
+
+<!-- BEGIN_TF_DOCS -->
+## Requirements
+
+| Name | Version |
+|------|---------|
+| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0.0 |
+| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 3.72 |
+| <a name="requirement_helm"></a> [helm](#requirement\_helm) | >= 2.4.1 |
+| <a name="requirement_kubernetes"></a> [kubernetes](#requirement\_kubernetes) | >= 2.10 |
+
+## Providers
+
+No providers.
+
+## Modules
+
+| Name | Source | Version |
+|------|--------|---------|
+| <a name="module_helm_addon"></a> [helm\_addon](#module\_helm\_addon) | ../helm-addon | n/a |
+
+## Resources
+
+No resources.
+
+## Inputs
+
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| <a name="input_addon_context"></a> [addon\_context](#input\_addon\_context) | Input configuration for the addon | <pre>object({<br>    aws_caller_identity_account_id = string<br>    aws_caller_identity_arn        = string<br>    aws_eks_cluster_endpoint       = string<br>    aws_partition_id               = string<br>    aws_region_name                = string<br>    eks_cluster_id                 = string<br>    eks_oidc_issuer_url            = string<br>    eks_oidc_provider_arn          = string<br>    tags                           = map(string)<br>    irsa_iam_role_path             = string<br>    irsa_iam_permissions_boundary  = string<br>  })</pre> | n/a | yes |
+| <a name="input_helm_config"></a> [helm\_config](#input\_helm\_config) | Helm Config for kubecost. | `any` | `{}` | no |
+| <a name="input_manage_via_gitops"></a> [manage\_via\_gitops](#input\_manage\_via\_gitops) | Determines if the add-on should be managed via GitOps. | `bool` | `false` | no |
+
+## Outputs
+
+| Name | Description |
+|------|-------------|
+| <a name="output_argocd_gitops_config"></a> [argocd\_gitops\_config](#output\_argocd\_gitops\_config) | Configuration used for managing the add-on with ArgoCD |
+<!-- END_TF_DOCS -->

modules/kubernetes-addons/cert-manager-istio-csr/locals.tf

@@ -0,0 +1,22 @@
+locals {
+  name = "kubecost"
+
+  default_helm_config = {
+    name        = local.name
+    chart       = "cert-manager-istio-csr"
+    repository  = "https://charts.jetstack.io"
+    version     = "v0.5.0"
+    namespace   = local.name
+    values      = null
+    description = "Cert-manager-istio-csr Helm Chart deployment configuration"
+  }
+
+  helm_config = merge(
+    local.default_helm_config,
+    var.helm_config
+  )
+
+  argocd_gitops_config = {
+    enable = true
+  }
+}

modules/kubernetes-addons/cert-manager-istio-csr/main.tf

@@ -0,0 +1,6 @@
+module "helm_addon" {
+  source            = "../helm-addon"
+  helm_config       = local.helm_config
+  manage_via_gitops = var.manage_via_gitops
+  addon_context     = var.addon_context
+}

modules/kubernetes-addons/cert-manager-istio-csr/outputs.tf

@@ -0,0 +1,4 @@
+output "argocd_gitops_config" {
+  description = "Configuration used for managing the add-on with ArgoCD"
+  value       = var.manage_via_gitops ? local.argocd_gitops_config : null
+}

modules/kubernetes-addons/cert-manager-istio-csr/variables.tf

@@ -0,0 +1,28 @@
+variable "helm_config" {
+  description = "Helm Config for kubecost."
+  type        = any
+  default     = {}
+}
+
+variable "manage_via_gitops" {
+  description = "Determines if the add-on should be managed via GitOps."
+  type        = bool
+  default     = false
+}
+
+variable "addon_context" {
+  description = "Input configuration for the addon"
+  type = object({
+    aws_caller_identity_account_id = string
+    aws_caller_identity_arn        = string
+    aws_eks_cluster_endpoint       = string
+    aws_partition_id               = string
+    aws_region_name                = string
+    eks_cluster_id                 = string
+    eks_oidc_issuer_url            = string
+    eks_oidc_provider_arn          = string
+    tags                           = map(string)
+    irsa_iam_role_path             = string
+    irsa_iam_permissions_boundary  = string
+  })
+}

modules/kubernetes-addons/cert-manager-istio-csr/versions.tf

@@ -0,0 +1,18 @@
+terraform {
+  required_version = ">= 1.0.0"
+
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = ">= 3.72"
+    }
+    kubernetes = {
+      source  = "hashicorp/kubernetes"
+      version = ">= 2.10"
+    }
+    helm = {
+      source  = "hashicorp/helm"
+      version = ">= 2.4.1"
+    }
+  }
+}

modules/kubernetes-addons/main.tf

@@ -215,6 +215,14 @@ module "cert_manager_csi_driver" {
   addon_context     = local.addon_context
 }
 
+module "cert_manager_istio_csr" {
+  count             = var.enable_cert_manager_istio_csr ? 1 : 0
+  source            = "./cert-manager-istio-csr"
+  helm_config       = var.cert_manager_istio_csr_helm_config
+  manage_via_gitops = var.argocd_manage_add_ons
+  addon_context     = local.addon_context
+}
+
 module "cluster_autoscaler" {
   source = "./cluster-autoscaler"
 

modules/kubernetes-addons/variables.tf

@@ -742,6 +742,18 @@ variable "cert_manager_kubernetes_svc_image_pull_secrets" {
   default     = []
 }
 
+variable "enable_cert_manager_istio_csr" {
+  description = "Enable Cert Manager istio-csr add-on"
+  type        = bool
+  default     = false
+}
+
+variable "cert_manager_istio_csr_helm_config" {
+  description = "Cert Manager Istio CSR Helm Chart config"
+  type        = any
+  default     = {}
+}
+
 #-----------Argo Rollouts ADDON-------------
 variable "enable_argo_rollouts" {
   description = "Enable Argo Rollouts add-on"