Using ISO pre-install template

alternative/README.md

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+# vSphere terraform unify os for customize ip hostname setting
+
+The original repository using ova package, the alternative way using ISO pre-install VM
+convert VM to template for customize.
+
+For pre-install VM step:
+
+1. Just install VM by ISO in normal way.
+2. Left most option default.
+3. Check below critiria, ensure you setup VM template correct.
+
+Some point you may need to know before using vSphere plugin
+
+1. vmware tool is required for clone customize
+2. perl is required(if you search you will see a lot of user failed because perl
+3. please aware the support matrix, some essential OS may failed the guestOS check.
+
+Note: if you are using CentOS, sometime may failed because /etc/redhat-release not match.
+There is a trick hint: for me using **Red Hat Enterprise Linux Server release 7.0 (Maipo)**
+, it will work and not effect function.

alternative/terraform.tf

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+provider "vsphere" {
+  user           = "${var.user}"
+  password       = "${var.password}"
+  vsphere_server = "${var.vsphere_server}"
+
+  allow_unverified_ssl = true
+}
+
+data "vsphere_datacenter" "dc" {
+  name = "${var.datacenter}"
+}
+
+data "vsphere_datastore" "datastore" {
+  name          = "${var.datastore}"
+  datacenter_id = "${data.vsphere_datacenter.dc.id}"
+}
+
+data "vsphere_resource_pool" "pool" {
+  name          = "${var.resource_pool}"
+  datacenter_id = "${data.vsphere_datacenter.dc.id}"
+}
+
+data "vsphere_network" "network" {
+  name          = "${var.network}"
+  datacenter_id = "${data.vsphere_datacenter.dc.id}"
+}
+
+data "vsphere_virtual_machine" "template" {
+  name          = "${var.template}"
+  datacenter_id = "${data.vsphere_datacenter.dc.id}"
+}
+
+resource "vsphere_virtual_machine" "vm" {
+  count = "${var.vm_numbers}"
+  name             = "${var.name}-${count.index+1}"
+  resource_pool_id = "${data.vsphere_resource_pool.pool.id}"
+  datastore_id     = "${data.vsphere_datastore.datastore.id}"
+
+  num_cpus = 4
+  memory   = 8192
+  guest_id = "${data.vsphere_virtual_machine.template.guest_id}"
+
+  scsi_type = "${data.vsphere_virtual_machine.template.scsi_type}"
+
+  network_interface {
+    network_id   = "${data.vsphere_network.network.id}"
+    adapter_type = "${data.vsphere_virtual_machine.template.network_interface_types[0]}"
+  }
+
+  disk {
+    label            = "disk0"
+    size             = "${data.vsphere_virtual_machine.template.disks.0.size}"
+    eagerly_scrub    = "${data.vsphere_virtual_machine.template.disks.0.eagerly_scrub}"
+    thin_provisioned = "${data.vsphere_virtual_machine.template.disks.0.thin_provisioned}"
+  }
+
+  cdrom {
+    client_device = true
+  }
+
+  clone {
+    template_uuid = "${data.vsphere_virtual_machine.template.id}"
+    customize {
+      linux_options {
+        host_name = "${var.name}${count.index+1}"
+        domain    = "${var.virtual_machine_domain}"
+      }
+
+      network_interface {
+        ipv4_address = "${cidrhost(var.virtual_machine_network_address, var.virtual_machine_ip_address_start + count.index)}"
+        ipv4_netmask = "${element(split("/", var.virtual_machine_network_address), 1)}"
+      }
+
+      ipv4_gateway    = "${var.virtual_machine_network_gateway}"
+      dns_suffix_list = ["${var.virtual_machine_domain}"]
+      dns_server_list = ["${var.virtual_machine_dns_servers}"]
+    }
+  }
+}

alternative/terraform.tfvars.example

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+# General vCenter data
+user = "FILL_ME_IN" # VC User
+
+password = "FILL_ME_IN" # vSphere Password
+
+vsphere_server = "FILL_ME_IN" # VC URL (IP, hostname or FQDN)
+
+datacenter = "FILL_ME_IN" # vSphere datacenter
+
+datastore = "FILL_ME_IN" # vSphere datastore
+
+resource_pool = "FILL_ME_IN" # vSphere Resourcepool
+
+# Virtual Machine configuration
+name = "FILL_ME_IN" # name of the virtual machine
+
+template = "FILL_ME_IN" # chosen name of the template
+
+network = "FILL_ME_IN" # network for the VM to reside in
+
+cpus = 2 # CPU cores of the VM
+
+memory = 1024 # Memory of the VM in Mb
+
+vm_numbers = 4 # VM numbers you want to create
+
+virtual_machine_network_address = "FILL_ME_IN" # VM cidr ex: 192.168.1.0/24
+
+virtual_machine_ip_address_start = "FILL_ME_IN" # ex: 100
+
+virtual_machine_domain = "FILL_ME_IN" # domain ex: example.com
+
+virtual_machine_network_gateway = "FILL_ME_IN" # ex: 192.168.1.254
+
+virtual_machine_dns_servers = [
+  "8.8.8.8",
+  "8.8.4.4",
+]

alternative/variables.tf

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+# General vCenter data
+# vCenter / ESXi Username
+variable "user" {}
+
+# vCenter / ESXi Password
+variable "password" {}
+
+# vCenter / ESXi Endpoint
+variable "vsphere_server" {}
+
+# vCenter / ESXi Datacenter
+variable "datacenter" {}
+
+# vCenter / ESXi Datastore
+variable "datastore" {}
+
+# vCenter / ESXi ResourcePool
+variable "resource_pool" {}
+
+# Virtual Machine configuration
+# VM Name
+variable "name" {}
+
+# Name of OVA template (chosen in import process)
+variable "template" {}
+
+# VM Network 
+variable "network" {}
+
+# VM Number of CPU's
+variable "cpus" {}
+
+# VM Memory in MB
+variable "memory" {}
+# VM numbers
+variable "vm_numbers" {}
+
+// The network address for the virtual machines, in the form of 10.0.0.0/24.
+variable "virtual_machine_network_address" {
+  type = "string"
+}
+
+variable "virtual_machine_network_gateway" {
+  type = "string"
+}
+
+variable "virtual_machine_domain" {
+  type = "string"
+}
+
+// The last octect that serves as the start of the IP addresses for the virtual
+// machines. Given the default value here of 100, if the network address is
+// 10.0.0.0/24, the 3 virtual machines will be assigned addresses 10.0.0.100,
+// 10.0.0.101, and 10.0.0.102.
+variable "virtual_machine_ip_address_start" {
+  type = "string"
+}
+
+// The DNS servers for the network the virtual machines reside in.
+variable "virtual_machine_dns_servers" {
+  type = "list"
+}