boeboe/terraform-helm-istio

Terraform module for Istio deployment on Kubernetes using Helm

terraform-helm-istio

This terraform module will deploy istio on any kubernetes cluster, using the official helm charts.

Helm Chart	Repo	Default Values
base	repo	values
cni	repo	values
istiod	repo	values
gateway	repo	values

Usage

provider "kubernetes" {
  config_path    = "~/.kube/config"
}

provider "helm" {
  kubernetes {
    config_path    = "~/.kube/config"
  }
}

module "istio" {
  source  = "boeboe/istio/helm"
  version = "0.0.2"

  istio_version = "1.15.3"

  istio_istiod_settings = {
    "pilot.autoscaleMin" = 2
    "pilot.autoscaleMax" = 4
  }
  
  istio_gateway_settings = {
    "autoscaling.minReplicas" = 2
    "autoscaling.maxReplicas" = 4
  }
}

output "istio_istiod_helm_metadata" {
  description = "block status of the istio istiod helm release"
  value = module.istio.istio_istiod_helm_metadata[0]
}

Check the examples for more details.

Inputs

Name	Description	Type	Default	Required
istio_version	istio version	string	-	true
istio_helm_namespace	istio helm namespace	string	"istio-system"	false
istio_helm_repo	istio helm repository	string	"https://istio-release.storage.googleapis.com/charts"	false
istio_base_settings	istio base settings	map	{}	false
istio_base_enabled	enable helm install of istio base	bool	true	false
istio_cni_settings	istio cni settings	map	{}	false
istio_cni_enabled	enable helm install of istio cni	bool	false	false
istio_istiod_settings	istio istiod settings	map	{}	false
istio_istiod_enabled	enable helm install of istio istiod	bool	true	false
istio_gateway_settings	istio gateway settings	map	{}	false
istio_gateway_enabled	enable helm install of istio gateway	bool	true	false

Outputs

Name	Description	Type
istio_base_helm_metadata	block status of the istio base helm release	list
istio_cni_helm_metadata	block status of the istio cni helm release	list
istio_istiod_helm_metadata	block status of the istio istiod helm release	list
istio_gateway_helm_metadata	block status of the istio gateway helm release	list

Example output:

istio_istiod_helm_metadata = {
  "app_version" = "1.15.3"
  "chart" = "istiod"
  "name" = "istio-istiod"
  "namespace" = "istio-system"
  "revision" = 1
  "values" = "{\"pilot\":{\"autoscaleMax\":4,\"autoscaleMin\":2}}"
  "version" = "1.15.3"
}

More information

TBC

License

terraform-helm-istio is released under the MIT License. See the bundled LICENSE file for details.