A comprehensive way to interact with Elasticsearch's Terraform provider

elasticsearch-provider.tf

terraform {
  required_version = ">= 1.5.5"
  required_providers {
    elasticstack = {
      source  = "elastic/elasticstack"
      version = ">= 0.9.0"
    }
  }
}

provider "elasticstack" {
  elasticsearch {

    username  = var.elasticsearch_username
    password  = var.elasticsearch_password
    endpoints = var.elasticsearch_endpoints

    insecure = var.elasticsearch_insecure
    api_key  = var.api_key

    ca_data   = var.ca_data
    ca_file   = var.ca_file
    cert_data = var.cert_data
    cert_file = var.cert_file

    key_data = var.key_data
    key_file = var.key_file
  }
}

# Elasticsearch provider variables
variable "api_key" {
  type        = string
  description = "API Key to use for authentication to Elasticsearch"
  sensitive   = true
  default     = null
}

variable "ca_data" {
  type        = string
  description = "PEM-encoded custom Certificate Authority certificate"
  default     = null
}

variable "ca_file" {
  type        = string
  description = "Path to a custom Certificate Authority certificate"
  default     = null
}

variable "cert_data" {
  type        = string
  description = "PEM encoded certificate for client auth"
  default     = null
}

variable "cert_file" {
  type        = string
  description = "Path to a file containing the PEM encoded certificate for client auth"
  default     = null
}

variable "elasticsearch_endpoints" {
  type        = list(string)
  description = "A list of endpoints where the Terraform provider will point to, including the http(s) schema and port number"
  sensitive   = true
}

variable "elasticsearch_insecure" {
  type        = bool
  description = "Disable TLS certificate validation"
  default     = true
}

variable "key_data" {
  type        = string
  description = "PEM encoded private key for client auth"
  sensitive   = true
  default     = null
}

variable "key_file" {
  type        = string
  description = "Path to a file containing the PEM encoded private key for client auth"
  default     = null
}

variable "elasticsearch_password" {
  type        = string
  description = "Password to use for API authentication to Elasticsearch"
  sensitive   = true
}

variable "elasticsearch_username" {
  type        = string
  description = "Username to use for API authentication to Elasticsearch"
  default     = "elastic"
}

variables.tfvars

# Elasticsearch
elasticsearch_endpoints = ["https://127.0.0.1:9200"]
elasticsearch_password  = "random_password"
elasticsearch_username  = "elastic"
insecure                = true