ansible-debops-infrastructure

commit d59b93413fbb81e919d92f2ef9491f41c9712a05
parent ac0d80728b42afeae8878113f4a95cbd7f18b588
Author: Dionysis Grigoropoulos <dgrig@erethon.com>
Date:   Sun,  3 Nov 2019 16:21:47 +0200

libvirt_host: Make cloud init templates modular

Diffstat:
terraform/modules/libvirt_host/main.tf
 | 
20
+++++++++++---------
terraform/modules/libvirt_host/network_template.yml
 | 
13
+++++++++++++
terraform/modules/libvirt_host/user_template.yml
 | 
3
+++
terraform/modules/libvirt_host/vars.tf
 | 
12
+++++++++++-

4 files changed, 38 insertions(+), 10 deletions(-)
diff --git a/terraform/modules/libvirt_host/main.tf b/terraform/modules/libvirt_host/main.tf
@@ -8,20 +8,22 @@ resource "libvirt_volume" "volume" {
 }
 
 resource "random_pet" "random" {
-  count     = (var.cloudinit_template != "" ? 1 : 0)
+  count     = (var.cloudinit_user_template != "" ? 1 : 0)
   separator = "_"
 }
 
-data "template_file" "user_data" {
-  count    = (var.cloudinit_template != "" ? 1 : 0)
-  template = var.cloudinit_template
-}
-
 resource "libvirt_cloudinit_disk" "cloud_init" {
-  count     = (var.cloudinit_template != "" ? 1 : 0)
+  count     = (var.enable_cloud_init == true ? 1 : 0)
   name      = "cloud-init-${random_pet.random[0].id}.iso"
-  user_data = data.template_file.user_data[count.index].rendered
   pool      = var.storage_pool
+  user_data = templatefile("${path.module}/user_template.yml", {
+    extra_lines = var.cloudinit_user_template
+  })
+  network_config = templatefile("${path.module}/network_template.yml", {
+    gateway = cidrhost(var.network_cidr, 1)
+    ip_address = "${cidrhost(var.network_cidr, var.network_host)}/${split("/", var.network_cidr)[1]}"
+    nameservers = var.cloudinit_nameservers
+  })
 }
 
 resource "libvirt_domain" "libvirt_host" {
@@ -29,7 +31,7 @@ resource "libvirt_domain" "libvirt_host" {
   memory    = var.host_memory
   vcpu      = var.host_vcpu
   autostart = var.host_autostart
-  cloudinit = (var.cloudinit_template != "" ? libvirt_cloudinit_disk.cloud_init[0].id : null)
+  cloudinit = (var.cloudinit_user_template != "" ? libvirt_cloudinit_disk.cloud_init[0].id : null)
 
   boot_device {
     dev = ["hd"]
diff --git a/terraform/modules/libvirt_host/network_template.yml b/terraform/modules/libvirt_host/network_template.yml
@@ -0,0 +1,12 @@
+version: 1
+config:
+  - type: physical
+    name: ens3
+    subnets:
+      - type: static
+        address: ${ ip_address }
+        gateway: ${ gateway }
+        dns_nameservers:
+        %{ for nameserver in nameservers ~}
+          - ${nameserver}
+        %{ endfor }+
\ No newline at end of file
diff --git a/terraform/modules/libvirt_host/user_template.yml b/terraform/modules/libvirt_host/user_template.yml
@@ -0,0 +1,2 @@
+#cloud-config
+${extra_lines}+
\ No newline at end of file
diff --git a/terraform/modules/libvirt_host/vars.tf b/terraform/modules/libvirt_host/vars.tf
@@ -56,11 +56,21 @@ variable "volume_source" {
   default = ""
 }
 
-variable "cloudinit_template" {
+variable "cloudinit_user_template" {
   type    = string
   default = ""
 }
 
+variable "enable_cloud_init" {
+  type = bool
+  default = false
+}
+
+variable "cloudinit_nameservers" {
+  type = list
+  default = ["9.9.9.9"]
+}
+
 variable "base_volume_id" {
   type = string
   default = ""