Feat: 🚀 External DNS, version 6.26.5 (#42)

* Feat: 🚀 Added External DNS addon * Fix- used terraform fmt * Fix- added the dir in readme workflow * Fix- changed external dns readme depends on , and typo in override_values.tf
clouddrove · Oct 12, 2023 · 74a5c31 · 74a5c31
1 parent 9120a80
commit 74a5c31
Show file tree

Hide file tree

Showing 18 changed files with 1,494 additions and 3 deletions.
diff --git a/.github/workflows/readme.yml b/.github/workflows/readme.yml
@@ -67,7 +67,7 @@ jobs:
       - name: Generate TF Docs
         uses: terraform-docs/gh-actions@v1.0.0
         with:
-          working-dir: addons/aws-ebs-csi-driver,addons/aws-efs-csi-driver,addons/aws-load-balancer-controller,addons/aws-node-termination-handler,addons/calico-tigera,addons/cluster-autoscaler,addons/external-secrets,addons/fluent-bit,addons/helm,addons/ingress-nginx,addons/istio-ingress,addons/karpenter,addons/kiali-server,addons/kubeclarity,addons/metrics-server,addons/nri-bundle,addons/velero,addons/kube-state-metrics,addons/keda,addons/reloader
+          working-dir: addons/aws-ebs-csi-driver,addons/aws-efs-csi-driver,addons/aws-load-balancer-controller,addons/aws-node-termination-handler,addons/calico-tigera,addons/cluster-autoscaler,addons/external-secrets,addons/fluent-bit,addons/helm,addons/ingress-nginx,addons/istio-ingress,addons/karpenter,addons/kiali-server,addons/kubeclarity,addons/metrics-server,addons/nri-bundle,addons/velero,addons/kube-state-metrics,addons/keda,addons/reloader,addons/external-dns
           git-push: true
           template: |-
             <!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->

diff --git a/_examples/basic/config/override-external-dns.yaml b/_examples/basic/config/override-external-dns.yaml
@@ -0,0 +1,17 @@
+provider: aws
+aws:
+  zoneType: public
+  txtOwnerId: external-dns
+domainFilters:
+  - test.example.com
+policy: sync
+
+affinity:
+  nodeAffinity:
+    requiredDuringSchedulingIgnoredDuringExecution:
+      nodeSelectorTerms:
+      - matchExpressions:
+        - key: "eks.amazonaws.com/nodegroup"
+          operator: In
+          values:
+          - "critical"
diff --git a/_examples/basic/main.tf b/_examples/basic/main.tf
@@ -176,6 +176,7 @@ module "addons" {
   keda                         = true
   certification_manager        = true
   reloader                     = true
+  external_dns                 = true
 
   # -- Addons with mandatory variable
   istio_ingress    = true

diff --git a/_examples/complete/config/override-external-dns.yaml b/_examples/complete/config/override-external-dns.yaml
@@ -0,0 +1,17 @@
+provider: aws
+aws:
+  zoneType: public
+  txtOwnerId: external-dns
+domainFilters:
+  - test.example.com
+policy: sync
+
+affinity:
+  nodeAffinity:
+    requiredDuringSchedulingIgnoredDuringExecution:
+      nodeSelectorTerms:
+      - matchExpressions:
+        - key: "eks.amazonaws.com/nodegroup"
+          operator: In
+          values:
+          - "critical"
diff --git a/_examples/complete/main.tf b/_examples/complete/main.tf
@@ -170,6 +170,7 @@ module "addons" {
   certification_manager        = true
   filebeat                     = true
   reloader                     = true
+  external_dns                 = true
 
 
   # -- Addons with mandatory variable
@@ -201,6 +202,7 @@ module "addons" {
   certification_manager_helm_config        = { values = [file("./config/override-certification-manager.yaml")] }
   filebeat_helm_config                     = { values = [file("./config/override-filebeat.yaml")] }
   reloader_helm_config                     = { values = [file("./config/reloader/override-reloader.yaml")] }
+  external_dns_helm_config                 = { values = [file("./config/override-external-dns.yaml")] }
 
   # -- Override Helm Release attributes
   metrics_server_extra_configs               = var.metrics_server_extra_configs
@@ -224,7 +226,7 @@ module "addons" {
   external_secrets_extra_configs             = var.external_secrets_extra_configs
   filebeat_extra_configs                     = var.filebeat_extra_configs
   reloader_extra_configs                     = var.reloader_extra_configs
-
+  external_dns_extra_configs                 = var.external_dns_extra_configs
 
   # -- Custom IAM Policy Json for Addon's ServiceAccount
   cluster_autoscaler_iampolicy_json_content = file("./custom-iam-policies/cluster-autoscaler.json")

diff --git a/_examples/complete/variables.tf b/_examples/complete/variables.tf
@@ -186,4 +186,10 @@ variable "filebeat_extra_configs" {
 variable "reloader_extra_configs" {
   type    = any
   default = {}
+}
+
+# ------------------ EXTERNAL DNS --------------------------------------------------
+variable "external_dns_extra_configs" {
+  type    = any
+  default = {}
 }
diff --git a/addons/external-dns/README.md b/addons/external-dns/README.md
@@ -0,0 +1,71 @@
+# External DNS Helm Chart
+
+External DNS manages the following AWS resources
+- Configure external DNS servers (AWS Route53, Google CloudDNS and others) for Kubernetes Ingresses and Services
+
+## Installation
+Below terraform script shows how to use External DNS Terraform Addon, A complete example is also given [here](https://github.com/clouddrove/terraform-helm-eks-addons/blob/master/_examples/complete/main.tf).
+```hcl
+module "addons" {
+  source  = "clouddrove/eks-addons/aws"
+  version = "0.1.2"
+  
+  depends_on       = [module.eks]
+  eks_cluster_name = module.eks.cluster_name
+
+  external_dns = true
+}
+```
+
+<!-- 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_kubernetes"></a> [kubernetes](#requirement\_kubernetes) | >= 2.10 |
+
+## Providers
+
+| Name | Version |
+|------|---------|
+| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 3.72 |
+| <a name="provider_kubernetes"></a> [kubernetes](#provider\_kubernetes) | >= 2.10 |
+
+## Modules
+
+| Name | Source | Version |
+|------|--------|---------|
+| <a name="module_helm_addon"></a> [helm\_addon](#module\_helm\_addon) | ../helm | n/a |
+
+## Resources
+
+| Name | Type |
+|------|------|
+| [aws_iam_policy.policy](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_policy) | resource |
+| [kubernetes_namespace_v1.this](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/namespace_v1) | resource |
+| [aws_eks_cluster.eks_cluster](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/eks_cluster) | data source |
+
+## Inputs
+
+| Name | Description | Type | Default | Required |
+|------|-------------|------|---------|:--------:|
+| <a name="input_account_id"></a> [account\_id](#input\_account\_id) | n/a | `string` | `""` | no |
+| <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>  })</pre> | n/a | yes |
+| <a name="input_external_DNS_extra_configs"></a> [external\_DNS\_extra\_configs](#input\_aws\_load\_balancer\_controller\_extra\_configs) | Override attributes of helm\_release terraform resource | `any` | `{}` | no |
+| <a name="input_eks_cluster_name"></a> [eks\_cluster\_name](#input\_eks\_cluster\_name) | n/a | `string` | `""` | no |
+| <a name="input_helm_config"></a> [helm\_config](#input\_helm\_config) | Helm provider config for External DNS | `any` | `{}` | no |
+| <a name="input_iampolicy_json_content"></a> [iampolicy\_json\_content](#input\_iampolicy\_json\_content) | Custom IAM Policy for External DNS IRSA | `string` | `null` | 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_chart_version"></a> [chart\_version](#output\_chart\_version) | n/a |
+| <a name="output_iam_policy"></a> [iam\_policy](#output\_iam\_policy) | n/a |
+| <a name="output_namespace"></a> [namespace](#output\_namespace) | n/a |
+| <a name="output_repository"></a> [repository](#output\_repository) | n/a |
+| <a name="output_service_account"></a> [service\_account](#output\_service\_account) | n/a |
+<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->