INTMDB-571: POST Create Access List Entries for One Organization API Key endpoint supports list, but Terraform does not (#1065)

* Add example for multiple IP and  CIDR blocks

* Tidy up variables

* Update examples/atlas-ip-access-list/main.tf

Co-authored-by: Zuhair Ahmed <[email protected]>

* Update examples/atlas-ip-access-list/main.tf

Co-authored-by: Zuhair Ahmed <[email protected]>

---------

Co-authored-by: Zuhair Ahmed <[email protected]>

Author: martinstibbe

examples/atlas-ip-access-list/README.md

@@ -0,0 +1,15 @@
+# MongoDB Atlas Provider -- Atlas IP Access List
+This example creates a project API access list showing how to attach multiple IP addresses and CIDR Blocks.
+
+Variables Required to be set:
+- `project_id`: ID of the Atlas project
+- `public_key`: Atlas public key
+- `private_key`: Atlas  private key
+- `ip_address`: IP addresses you want to permit access to
+- `cidr_block`: CIDR block you want to permit access to
+- `comment`: If provider_name is tenant, the backing provider (AWS, GCP)
+
+
+For this example, we will setup two access ranges to show multiple IP support and multiple CIDR block.
+
+

examples/atlas-ip-access-list/main.tf

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+locals {
+
+  ip_address_list = [
+    {
+      ip_address = "47.225.213.178"
+      comment    = "IP Address 1"
+    },
+
+    {
+      ip_address = "47.225.214.179"
+      comment    = "IP Address 2"
+    },
+  ]
+
+  cidr_block_list = [
+    {
+      cidr_block = "10.1.0.0/16"
+      comment    = "CIDR Block 1"
+    },
+    {
+      cidr_block = "12.2.0.0/16"
+      comment    = "CIDR Block 2"
+    },
+  ]
+}
+
+
+resource "mongodbatlas_project_ip_access_list" "ip" {
+  for_each = {
+    for index, ip in local.ip_address_list :
+    ip.comment => ip
+  }
+  project_id = var.project_id
+  ip_address = each.value.ip_address
+  comment    = each.value.comment
+}
+
+
+resource "mongodbatlas_project_ip_access_list" "cidr" {
+
+  for_each = {
+    for index, cidr in local.cidr_block_list :
+    cidr.comment => cidr
+  }
+  project_id = var.project_id
+  cidr_block = each.value.cidr_block
+  comment    = each.value.comment
+}

examples/atlas-ip-access-list/provider.tf

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+provider "mongodbatlas" {
+  public_key  = var.public_key
+  private_key = var.private_key
+}

examples/atlas-ip-access-list/variables.tf

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+variable "public_key" {
+  description = "Public API key to authenticate to Atlas"
+}
+variable "private_key" {
+  description = "Private API key to authenticate to Atlas"
+}
+variable "project_id" {
+  description = "Atlas project name"
+  default     = ""
+}

examples/atlas-ip-access-list/versions.tf

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+terraform {
+  required_providers {
+    mongodbatlas = {
+      source = "mongodb/mongodbatlas"
+    }
+  }
+  required_version = ">= 0.13"
+}