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Day 70 - Terraform Modules

• Modules are containers for multiple resources that are used together. A module consists of a collection of .tf and/or .tf.json files kept together in a directory
• A module can call other modules, which lets you include the child module's resources into the configuration in a concise way.
• Modules can also be called multiple times, either within the same configuration or in separate configurations, allowing resource configurations to be packaged and re-used.

Below is the format on how to use modules:

# Creating a AWS EC2 Instance
resource "aws_instance" "server-instance" {
  # Define number of instance
  instance_count = var.number_of_instances

  # Instance Configuration
  ami                    = var.ami
  instance_type          = var.instance_type
  subnet_id              = var.subnet_id
  vpc_security_group_ids = var.security_group

  # Instance Tagsid
  tags = {
    Name = "${var.instance_name}"
  }
}

# Server Module Variables
variable "number_of_instances" {
  description = "Number of Instances to Create"
  type        = number
  default     = 1
}

variable "instance_name" {
  description = "Instance Name"
}

variable "ami" {
  description = "AMI ID"
  default     = "ami-xxxx"
}

variable "instance_type" {
  description = "Instance Type"
}

variable "subnet_id" {
  description = "Subnet ID"
}

variable "security_group" {
  description = "Security Group"
  type        = list(any)
}

# Server Module Output
output "server_id" {
  description = "Server ID"
  value       = aws_instance.server-instance.id
}

Task-01

Explain the below in your own words and it shouldnt be copied from Internet 😉

• Write about different modules Terraform.
• Difference between Root Module and Child Module.
• Is modules and Namespaces are same? Justify your answer for both Yes/No

You all are doing great, and you have come so far. Well Done Everyone🎉

Thode mehnat aur krni hai bas to lge rho tab tak.....Happy learning :)

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