Merge pull request #5 from gozer/issue/4/iam-role-name

Add `iam_role_name` option, default stays the same

Author: ivankatliarchuk

README.md

@@ -138,6 +138,7 @@ Here's the gist of using it directly from github.
 | bucket | Backup and Restore bucket. | `string` | n/a | yes |
 | cluster\_name | Cluster name. | `string` | n/a | yes |
 | description | Namespace description | `string` | `"velero-back-up-and-restore"` | no |
+| iam\_role\_name | Name of the Velero IAM role | `string` | `""` | no |
 | name | namespace name | `string` | `"velero"` | no |
 | namespace\_deploy | whther or not to deploy namespace | `bool` | `false` | no |
 | openid\_connect\_provider\_uri | OpenID Connect Provider for EKS to enable IRSA. | `string` | n/a | yes |
@@ -157,10 +158,10 @@ Here's the gist of using it directly from github.
 
 <!-- START makefile-doc -->
 ```
-$ make help
+$ make help 
 hooks                          Commit hooks setup
 validate                       Validate with pre-commit hooks
-changelog                      Update changelog
+changelog                      Update changelog 
 ```
 <!-- END makefile-doc -->
 

iam.tf

@@ -62,7 +62,7 @@ data aws_iam_policy_document policy {
 }
 
 resource aws_iam_role this {
-  name               = format("%s-%s", var.cluster_name, var.name)
+  name               = var.iam_role_name == "" ? format("%s-%s", var.cluster_name, var.name) : var.iam_role_name
   assume_role_policy = data.aws_iam_policy_document.assume_role.json
   tags = merge(var.tags,
     { Attached = var.name },

variables.tf

@@ -59,3 +59,9 @@ variable "bucket" {
   description = "Backup and Restore bucket."
   type        = string
 }
+
+variable "iam_role_name" {
+  description = "Name of the Velero IAM role"
+  type        = string
+  default     = ""
+}