Merge pull request #11 from chrodriguez/main

Add support to attach multiple disks

Author: MonolithProjects

README.md

@@ -12,6 +12,7 @@ Terraform module for KVM/Libvirt Virtual Machine. This module will create a KVM
 - one NIC per domain, connected to the network using the **bridge interface**
 - setup network interface using DHCP or static configuration
 - cloud_init VM(s) configuration (Ubuntu+Netplan complient)
+- optionally add multiple extra disks
 - test the ssh connection
 
 ## Tested on
@@ -30,6 +31,7 @@ Terraform module for KVM/Libvirt Virtual Machine. This module will create a KVM
 |index_start|From where the index start| 1
 |vm_hostname_prefix|VM hostname prefix|vm
 |memory|RAM in MB|1024
+|additional_disk_ids|List of volume ids to be attached to domain| []
 |hugepages|Use Hugepages|false
 |vcpu|Number of vCPUs|1
 |pool|Storage pool name|default
@@ -70,7 +72,7 @@ provider "libvirt" {
 
 module "vm" {
   source  = "MonolithProjects/vm/libvirt"
-  version = "1.6.0"
+  version = "1.8.0"
 
   vm_hostname_prefix = "server"
   vm_count    = 3
@@ -117,7 +119,7 @@ provider "libvirt" {
 
 module "vm" {
   source  = "MonolithProjects/vm/libvirt"
-  version = "1.6.0"
+  version = "1.8.0"
 
   vm_hostname_prefix = "server"
   vm_count    = 3
@@ -157,7 +159,48 @@ output "outputs" {
 }
 ```
 
-The shared directory from the example can be mounted inside the VM with command `sudo mount -t 9p -o trans=virtio,version=9p2000.L,rw tmp /host/tmp`
+> The shared directory from the example can be mounted inside the VM with command `sudo mount -t 9p -o trans=virtio,version=9p2000.L,rw tmp /host/tmp`
+
+Create a VM with an extra disk
+
+```
+# Creates a 50GB extra-data-disk within vms pool
+resource "libvirt_volume" "data_volume" {
+  pool = "vms"
+  name  = "extra-data-disk.qcow2"
+  format = "qcow2"
+  size = 1024*1024*1024*50
+}
+
+module "vm" {
+  source  = "MonolithProjects/vm/libvirt"
+  version = "1.8.0"
+
+  vm_hostname_prefix = "data-server"
+  base_volume_name = "debian-11-base.qcow2"
+  base_pool_name = "linked-images"
+  vm_count    = 1
+  bridge =        "bridge-dmz"
+  memory      = "4096"
+  hugepages   = false
+  vcpu        = 4
+  pool        = "vms"
+  system_volume = 25
+  additional_disk_ids = [ libvirt_volume.data_volume.id ]
+
+  dhcp        = true
+
+  ssh_admin   = "admin"
+  ssh_keys    = [ 
+    chomp(file("~/.ssh/id_rsa.pub"))
+    ]
+  time_zone   = "America/Argentina/Buenos_Aires"
+}
+
+output "ip_addresses" {
+  value = module.vm
+}
+```
 
 ## Module output example
 

main.tf

@@ -45,6 +45,13 @@ resource "libvirt_domain" "virt-machine" {
     volume_id = element(libvirt_volume.volume-qcow2.*.id, count.index)
   }
 
+  dynamic "disk" {
+    for_each = var.additional_disk_ids
+    content {
+      volume_id = disk.value
+    }
+  }
+
   dynamic "filesystem" {
     for_each = var.share_filesystem.source != null ? [ var.share_filesystem.source] : []
     content {

variables.tf

@@ -13,6 +13,11 @@ variable "base_pool_name" {
   default     = null
 }
 
+variable "additional_disk_ids" {
+  description = "List of volume ids"
+  default = []
+}
+
 
 variable "autostart" {
   description = "Autostart the domain"