iamdevnull / terraform-aws-eks-cert-manager

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AWS EKS Cert Manager Terraform module

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Description

A terraform module to deploy an Cert Manager on Amazon EKS cluster.

Related Projects

Check out other terraform kubernetes addons.

Examples

See Basic example for further information.

Potential issues with running terraform plan

When deploying with ArgoCD application, Kubernetes terraform provider requires access to Kubernetes cluster API during plan time. This introduces potential issue when you want to deploy the cluster with this addon at the same time, during the same Terraform run.

To overcome this issue, the module deploys the ArgoCD application object using the Helm provider, which does not require API access during plan. If you want to deploy the application using this workaround, you can set the argo_application_use_helm variable to true.

Requirements

Name Version
terraform >= 0.14
aws >= 2.0
helm >= 1.0.0
kubernetes >= 2.6
time >= 0.6
utils >= 0.14.0

Modules

No modules.

Resources

Name Type
aws_iam_policy.this resource
aws_iam_role.this resource
aws_iam_role_policy_attachment.this resource
aws_iam_role_policy_attachment.this_additional resource
helm_release.argocd_application resource
helm_release.default_cluster_issuer resource
helm_release.this resource
kubernetes_manifest.this resource
time_sleep.default_cluster_issuer resource
aws_iam_policy_document.this data source
aws_iam_policy_document.this_irsa data source
utils_deep_merge_yaml.argo_application_values data source
utils_deep_merge_yaml.default_cluster_issuer_values data source
utils_deep_merge_yaml.values data source

Inputs

Name Description Type Default Required
cluster_identity_oidc_issuer The OIDC Identity issuer for the cluster string n/a yes
cluster_identity_oidc_issuer_arn The OIDC Identity issuer ARN for the cluster that can be used to associate IAM roles with a service account string n/a yes
argo_application_enabled If set to true, the module will be deployed as ArgoCD application, otherwise it will be deployed as a Helm release bool false no
argo_application_use_helm If set to true, the ArgoCD Application manifest will be deployed using Kubernetes provider as a Helm release. Otherwise it'll be deployed as a Kubernetes manifest. See Readme for more info bool false no
argo_application_values Value overrides to use when deploying argo application object with helm string "" no
argo_destionation_server Destination server for ArgoCD Application string "https://kubernetes.default.svc" no
argo_info ArgoCD info manifest parameter list
[
{
"name": "terraform",
"value": "true"
}
]
no
argo_namespace Namespace to deploy ArgoCD application CRD to string "argo" no
argo_project ArgoCD Application project string "default" no
argo_sync_policy ArgoCD syncPolicy manifest parameter map {} no
cluster_issuer_enabled Variable indicating whether default ClusterIssuer CRD is enabled bool false no
cluster_issuer_settings Additional settings which will be passed to the Helm chart cluster_issuer values, see https://github.com/lablabs/terraform-aws-eks-cert-manager/blob/main/helm/defaultClusterIssuer/values.yaml map(any) {} no
cluster_issuers_values Additional values for cert manager cluster issuers helm chart. Values will be merged, in order, as Helm does with multiple -f options string "" no
enabled Variable indicating whether deployment is enabled bool true no
helm_chart_name Helm chart name to be installed string "cert-manager" no
helm_chart_version Version of the Helm chart string "1.5.3" no
helm_create_namespace Whether to create k8s namespace with name defined by k8s_namespace bool true no
helm_release_name Helm release name string "cert-manager" no
helm_repo_url Helm repository string "https://charts.jetstack.io" no
k8s_assume_role_arns Allow IRSA to assume specified role arns. Assume role must be enabled. list(string) [] no
k8s_assume_role_enabled Whether IRSA is allowed to assume role defined by k8s_assume_role_arn. Useful for hosted zones in another AWS account. bool false no
k8s_irsa_additional_policies Map of the additional policies to be attached to default role. Where key is arbiraty id and value is policy arn. map(string) {} no
k8s_irsa_policy_enabled Whether to create opinionated policy to allow operations on specified zones in policy_allowed_zone_ids. bool true no
k8s_irsa_role_create Whether to create IRSA role and annotate service account bool true no
k8s_irsa_role_name_prefix The IRSA role name prefix for prometheus string "cert-manager-irsa" no
k8s_namespace The K8s namespace in which the external-dns will be installed string "kube-system" no
k8s_rbac_create Whether to create and use RBAC resources bool true no
k8s_service_account_create Whether to create Service Account bool true no
k8s_service_account_name The k8s cert-manager service account name string "cert-manager" no
policy_allowed_zone_ids List of the Route53 zone ids for service account IAM role access list(string)
[
"*"
]
no
settings Additional settings which will be passed to the Helm chart values, see https://artifacthub.io/packages/helm/cert-manager/cert-manager map(any) {} no
tags AWS resources tags map(string) {} no
values Additional values for cert manager helm chart. Values will be merged, in order, as Helm does with multiple -f options string "" no

Outputs

Name Description
helm_release_application_metadata Argo application helm release attributes
helm_release_metadata Helm release attributes
iam_role_attributes Prometheus IAM role atributes
kubernetes_application_attributes Argo kubernetes manifest attributes

Contributing and reporting issues

Feel free to create an issue in this repository if you have questions, suggestions or feature requests.

Validation, linters and pull-requests

We want to provide high quality code and modules. For this reason we are using several pre-commit hooks and GitHub Actions workflow. A pull-request to the master branch will trigger these validations and lints automatically. Please check your code before you will create pull-requests. See pre-commit documentation and GitHub Actions documentation for further details.

License

License

See LICENSE for full details.

Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  https://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.

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License:Apache License 2.0


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