add network port and security group association

Author: orachide

README.md

@@ -1,10 +1,24 @@
-# My new created Terraform module
+# Terraform module for Openstack Instance
 
-Introduce your module briefly.
+This module create an Openstack instance
 
 ## Usage
 
-Provide the sample code to use your module.
+```
+resource "openstack_compute_keypair_v2" "keypair" {
+  name = "my-keypair"
+}
+module "compute" {
+  source               = "shepherdcloud/instance/openstack"
+  instance_name        = "BLUE"
+  instance_count       = 2
+  image_name           = "cirros"
+  flavor_name          = "m1.tiny"
+  keypair              = "${openstack_compute_keypair_v2.keypair.name}"
+  network_name         = "my-network"
+  security_group_names = ["default"]
+}
+```
 
 ## Scenarios
 

examples/simple/main.tf

@@ -1,8 +1,15 @@
+
+
+resource "openstack_compute_keypair_v2" "keypair" {
+  name = "my-keypair"
+}
 module "compute" {
-  source         = "../../"
-  compute_name   = "BLUE"
-  instance_count = 2
-  image_name     = "cirros"
-  flavor_name    = "m1.tiny"
-  keypair = "shepherd"
+  source               = "../../"
+  instance_name        = "BLUE"
+  instance_count       = 2
+  image_name           = "cirros"
+  flavor_name          = "m1.tiny"
+  keypair              = "${openstack_compute_keypair_v2.keypair.name}"
+  network_name         = "my-network"
+  security_group_names = ["default"]
 }

main.tf

@@ -7,11 +7,43 @@ data "openstack_images_image_v2" "this" {
   most_recent = true
 }
 
+data "openstack_networking_network_v2" "this" {
+  name = "${var.network_name}"
+}
+
+data "openstack_networking_secgroup_v2" "this" {
+  count = "${length(var.security_group_names)}"
+
+  name = "${var.security_group_names[count.index]}"
+}
+
 resource "openstack_compute_instance_v2" "this" {
   count = "${var.instance_count}"
 
-  name            = "${var.compute_name}-${count.index}"
-  image_name      = "${data.openstack_images_image_v2.this.name}"
-  flavor_id       = "${data.openstack_compute_flavor_v2.this.id}"
-  key_pair        = "${var.keypair}"
+  name       = "${var.instance_name}-${count.index}"
+  image_name = "${data.openstack_images_image_v2.this.name}"
+  flavor_id  = "${data.openstack_compute_flavor_v2.this.id}"
+  key_pair   = "${var.keypair}"
+
+  network {
+    port = "${openstack_networking_port_v2.this.*.id[count.index]}"
+  }
+}
+
+resource "openstack_networking_port_v2" "this" {
+  count = "${var.instance_count}"
+
+  name               = "${var.network_name}-port-${count.index}"
+  network_id         = "${data.openstack_networking_network_v2.this.id}"
+  admin_state_up     = "true"
+  security_group_ids = ["${data.openstack_networking_secgroup_v2.this.*.id}"]
 }
+
+# resource "openstack_compute_interface_attach_v2" "this" {
+#   count = "${var.instance_count}"
+
+
+#   instance_id = "${openstack_compute_instance_v2.this.*.id[count.index]}"
+#   port_id     = "${openstack_networking_port_v2.this.*.id[count.index]}"
+# }
+

outputs.tf

@@ -4,6 +4,6 @@ output "ids" {
 }
 
 output "names" {
-  description = "List of IDs of instances"
+  description = "List of instances name"
   value       = "${openstack_compute_instance_v2.this.*.name}"
 }

variables.tf

@@ -1,4 +1,4 @@
-variable "compute_name" {
+variable "instance_name" {
   type        = "string"
   description = "The name (prefix) of the compute instance to create."
 }
@@ -23,3 +23,15 @@ variable "keypair" {
   type        = "string"
   description = "The name of the keypair to use"
 }
+
+variable "network_name" {
+  type        = "string"
+  default     = ""
+  description = "The name of the network to attach instance to"
+}
+
+variable "security_group_names" {
+  type        = "list"
+  default     = ["default"]
+  description = "The name of the network to attach instance to"
+}