Helm Chart Deployment Module

This Terraform module deploys a Helm chart to a Kubernetes cluster. It supports custom values files, values maps, and several configuration options.

Inputs

• name (string): The name of the Helm release.
• repository (string): The repository URL of the Helm chart. Default is "https://charts.example.com".
• chart (string): The name of the Helm chart.
• version (string): The version of the Helm chart. Default is "latest".
• namespace (string): The Kubernetes namespace to install the release into. Default is "default".
• custom_values_file (string): Path to the custom values YAML file.
• custom_values_map (map): Custom values in map format to override default values.
• timeout (string): Time to wait for Helm operations to complete. Default is "300s".
• recreate_pods (bool): If true, recreate pods after a successful upgrade. Default is false.
• disable_webhooks (bool): If true, disable webhooks during upgrade. Default is false.
• wait (bool): If true, wait for resources to be ready before marking the release as successful. Default is true.
• atomic (bool): If true, roll back changes on failure. Default is false.
• cleanup_on_fail (bool): If true, delete newly created resources if the release fails. Default is true.
• chart_version (string): Version of the Helm chart.
• create_namespace (bool): If true, create the namespace if it does not exist. Default is false.
• values_files (list): List of paths to YAML files with values.
• verify (bool): If true, verify the chart after downloading. Default is false.
• dependency_update (bool): If true, run 'helm dependency update' before installing. Default is false.

Outputs

• release_name: The name of the Helm release.
• chart_version: The version of the Helm chart deployed.
• namespace: The Kubernetes namespace where the Helm release is deployed.
• status: The status of the Helm release.
• url: The URL of the Helm chart repository.

Usage

module "helm_chart_deployment" {
  source = "./helm_chart_deployment"

  name       = "my-release"
  chart      = "my-chart"
  version    = "1.0.0"
  namespace  = "my-namespace"
  custom_values_file = "path/to/values.yaml"
  custom_values_map  = {
    key1 = "value1"
    key2 = "value2"
  }
  timeout                = "600s"
  recreate_pods          = true
  disable_webhooks       = false
  wait                   = true
  atomic                 = true
  cleanup_on_fail        = true
  chart_version          = "1.0.0"
  create_namespace       = true
  values_files           = ["path/to/values1.yaml", "path/to/values2.yaml"]
  verify                 = true
  dependency_update      = true
}