Add Azure Cosmos DB MongoDB vCore Module (#27)

* DEVOPS-314 mongo Db cosmos cluster Azure

* DEVOPS-314 make changes to out.tf to display passwd

* Updating hashicorp/azurerm provider version to latest

* random username passwd dependancy

* removed ramdom_pet to pass username as a variable

* DEVOPS-323 Mongodb changes

* DEVOPS-314 fix mongo terraform module

* fix mongo_password issue

* Revert "fix mongo_password issue"

his reverts commit a72a4cb.

* password

Author: githubofkrishnadhas

cosmosdb-mongo-vcore/credentials.tf

@@ -0,0 +1,6 @@
+resource "random_password" "password" {
+  length           = 32
+  min_lower        = 4
+  min_numeric      = 4
+  min_upper        = 4
+}

cosmosdb-mongo-vcore/mongo.tf

@@ -0,0 +1,41 @@
+resource "azurerm_resource_group" "mongo_rg" {
+  name     = var.resource_group_name
+  location = var.location
+  tags = {
+    Environment     = upper(var.environment)
+    Orchestrator    = "Terraform"
+    DisplayName     = upper(var.resource_group_name)
+    ApplicationName = lower(var.application_name)
+    Temporary       = upper(var.temporary)
+  }
+}
+
+resource "azurerm_mongo_cluster" "mongo" {
+  name                  = var.mongodb_cluster_name
+  resource_group_name   = azurerm_resource_group.mongo_rg.name
+  location              = azurerm_resource_group.mongo_rg.location
+  public_network_access = var.public_network_access
+
+  compute_tier           = var.compute_tier
+  shard_count            = var.shard_count
+  storage_size_in_gb     = var.storage_size_in_gb
+  high_availability_mode = var.high_availability_mode
+
+  administrator_username = var.admin_user
+  administrator_password = random_password.password.result
+
+  create_mode = var.mongo_create_mode
+  version     = var.mongo_version
+
+
+  tags = {
+    Environment     = upper(var.environment)
+    Orchestrator    = "Terraform"
+    DisplayName     = upper(var.mongodb_cluster_name)
+    ApplicationName = lower(var.application_name)
+    Temporary       = upper(var.temporary)
+
+  }
+
+  depends_on = [random_password.password]
+}

cosmosdb-mongo-vcore/output.tf

@@ -0,0 +1,46 @@
+output "resource_group" {
+  description = "Azure mongo DB resource group name"
+  value       = azurerm_resource_group.mongo_rg.name
+}
+
+output "mongodb_cluster_name" {
+  description = "Azure Mongo DB name"
+  value       = azurerm_mongo_cluster.mongo.name
+}
+
+output "mongodb_location" {
+  description = "Azure mongo DB  location"
+  value       = azurerm_mongo_cluster.mongo.location
+}
+
+output "public_access_enabled" {
+  description = "Azure Mongo DB enabled public access or not"
+  value       = azurerm_mongo_cluster.mongo.public_network_access
+}
+
+output "mongodb_admin_username" {
+  description = "Azure Mongo DB admin username"
+  value       = azurerm_mongo_cluster.mongo.administrator_username
+  sensitive   = false
+}
+
+output "mongodb_admin_password" {
+  description = "Azure Mongo DB admin password"
+  value       = nonsensitive(random_password.password.result)
+  sensitive   = false
+}
+
+output "mongodb_compute_tier" {
+  description = "Azure Mongo DB compute tier"
+  value       = azurerm_mongo_cluster.mongo.compute_tier
+}
+
+output "mongodb_shard_count" {
+  description = "Azure Mongo DB shard count"
+  value       = azurerm_mongo_cluster.mongo.shard_count
+}
+
+output "mongodb_storage_size" {
+  description = "Azure Mongo DB storage size in GB"
+  value       = azurerm_mongo_cluster.mongo.storage_size_in_gb
+}

cosmosdb-mongo-vcore/providers.tf

@@ -0,0 +1,16 @@
+terraform {
+  required_version = "~> 1.3"
+  required_providers {
+    azurerm = {
+      source  = "hashicorp/azurerm"
+      version = ">= 4.0"
+    }
+    random = {
+      source  = "hashicorp/random"
+      version = ">= 3.1"
+    }
+  }
+}
+provider "azurerm" {
+  features {}
+}

cosmosdb-mongo-vcore/variables.tf

@@ -0,0 +1,118 @@
+variable "resource_group_name" {
+  type        = string
+  description = "Azure Mongo DB Rg"
+  default     = ""
+}
+
+variable "location" {
+  type        = string
+  description = "Azure Mongo DB location"
+  default     = ""
+}
+
+variable "mongodb_cluster_name" {
+  description = "Azure Mongo DB name"
+  type        = string
+  default     = ""
+}
+
+variable "admin_user" {
+  description = "Azure Mongo DB admin username"
+  type        = string
+  default     = ""
+  validation {
+    condition     = length(var.admin_user) > 0
+    error_message = "The admin_user variable must be set to a non-empty string."
+  }
+}
+
+variable "environment" {
+  default     = "DEV"
+  description = "Environment tag value in Azure"
+  type        = string
+  validation {
+    condition     = contains(["DEV", "QA", "UAT", "PROD"], var.environment)
+    error_message = "Environment value should be one among DEV or QA or UAT or PROD."
+  }
+}
+
+variable "application_name" {
+  default     = "devwithkrishna"
+  description = "Azure application name tag"
+}
+
+
+variable "temporary" {
+  default     = "TRUE"
+  description = "Temporary tag value in Azure"
+  type        = string
+  validation {
+    condition     = contains(["TRUE", "FALSE"], upper(var.temporary))
+    error_message = "The temporary tag value must be either 'TRUE' or 'FALSE'."
+  }
+
+}
+
+variable "compute_tier" {
+  description = "The compute tier to assign to the MongoDB Cluster"
+  default     = "Free"
+  type        = string
+  validation {
+    condition     = contains(["Free", "M10", "M20", "M25", "M30", "M40", "M50", "M60", "M80", "M200"], var.compute_tier)
+    error_message = "The compute_tier value must be one of the following: 'Free', 'M10', 'M20', 'M25', 'M30', 'M40', 'M50', 'M60', 'M80', or 'M200'."
+  }
+}
+
+variable "shard_count" {
+  description = "The Number of shards to provision on the MongoDB Cluster"
+  type        = number
+  default     = 1
+}
+
+variable "public_network_access" {
+  default     = "Enabled"
+  description = "Public Network Access setting for the MongoDB Cluster"
+  type        = string
+  validation {
+    condition     = contains(["Enabled", "Disabled"], var.public_network_access)
+    error_message = "The public_network_access value must be either 'Enabled' or 'Disabled'."
+  }
+}
+
+variable "storage_size_in_gb" {
+  default     = 32
+  description = "The storage size in GB for the MongoDB Cluster"
+  type        = number
+}
+
+variable "high_availability_mode" {
+  description = "The high availability mode for the MongoDB Cluster"
+  default     = "Disabled"
+  type        = string
+  validation {
+    condition     = contains(["ZoneRedundantPreferred", "Disabled"], var.high_availability_mode)
+    error_message = "The high_availability_mode value must be either 'Disabled', 'ZoneRedundantPreferred'."
+  }
+}
+
+variable "mongo_create_mode" {
+  description = "The create mode for the MongoDB Cluster"
+  default     = "Default"
+  type        = string
+  validation {
+    condition     = contains(["Default", "GeoReplica"], var.mongo_create_mode)
+    error_message = "The mongo_create_mode value must be either 'Default' or 'GeoReplica'."
+  }
+
+}
+
+variable "mongo_version" {
+  description = "The version of the MongoDB Cluster"
+  default     = "7.0"
+  type        = string
+  validation {
+    condition     = contains(["5.0", "6.0", "7.0"], var.mongo_version)
+    error_message = "The mongo_version value must be either '5.0', '6.0', or '7.0'."
+  }
+
+}