Merge pull request #5 from rhythmictech/additional_pkgs

Add support for including arbitrary yum packages when installing ansible

Author: dgoodellrhy

README.md

@@ -101,6 +101,7 @@ This module bridges the gap allowing Terraform to create an EC2 Image Builder co
 |------|-------------|------|---------|:--------:|
 | component\_version | Version of the component | `string` | n/a | yes |
 | name | name to use for component | `string` | n/a | yes |
+| additional\_packages | Space separated list of additional packages that may be needed for your ansible workflow | `string` | `""` | no |
 | change\_description | description of changes since last version | `string` | `null` | no |
 | cloudformation\_timeout | How long to wait (in minutes) for CFN to apply before giving up | `number` | `10` | no |
 | data\_uri | Use this to override the component document with one at a particualar URL endpoint | `string` | `null` | no |

component.yml.tpl

@@ -11,7 +11,7 @@ phases:
         inputs:
           commands:
             # Install Ansible dependencies
-            - sudo yum install -y python python3 python-pip python3-pip git
+            - sudo yum install -y python python3 python-pip python3-pip git ${additional_pkgs}
             # Enable Ansible repository
             - sudo amazon-linux-extras enable ansible2
             # Install Ansible

main.tf

@@ -2,9 +2,10 @@ locals {
   has_ssh_key = var.ssh_key_secret_arn != null || var.ssh_key_secret_name != null
 
   data = templatefile("${path.module}/component.yml.tpl", {
-    description  = var.description
-    name         = var.name
-    ssh_key_name = try(data.aws_secretsmanager_secret.ssh_key[0].name, null)
+    additional_pkgs = var.additional_packages
+    description     = var.description
+    name            = var.name
+    ssh_key_name    = try(data.aws_secretsmanager_secret.ssh_key[0].name, null)
   })
 }
 

variables.tf

@@ -1,3 +1,9 @@
+variable "additional_packages" {
+  default     = ""
+  description = "Space separated list of additional packages that may be needed for your ansible workflow"
+  type        = string
+}
+
 variable "change_description" {
   default     = null
   description = "description of changes since last version"