# resource group definitions
resource "azurerm_resource_group" "rg" {
  name     = "${var.resource_group}"
  location = "${var.location}"
}

resource "azurerm_storage_account" "stor" {
  name                     = "${var.rg_prefix}stor${count.index}"
  location                 = "${var.location}"
  resource_group_name      = "${azurerm_resource_group.rg.name}"
  account_tier             = "${var.storage_account_tier}"
  account_replication_type = "${var.storage_replication_type}"
}

resource "azurerm_public_ip" "pip" {
  name                         = "${var.rg_prefix}-ip${count.index}"
  location                     = "${var.location}"
  resource_group_name          = "${azurerm_resource_group.rg.name}"
  public_ip_address_allocation = "dynamic"
}

# network definitions
resource "azurerm_virtual_network" "vnet" {
  name                = "${var.virtual_network_name}"
  location            = "${var.location}"
  address_space       = ["${var.address_space}"]
  resource_group_name = "${azurerm_resource_group.rg.name}"
}

resource "azurerm_subnet" "subnet" {
  name                 = "${var.rg_prefix}subnet${count.index}"
  virtual_network_name = "${azurerm_virtual_network.vnet.name}"
  resource_group_name  = "${azurerm_resource_group.rg.name}"
  address_prefix       = "${var.subnet_prefix}"
}

resource "azurerm_network_interface" "nic" {
  # name                = "nic${var.rg_prefix}${count.index}"
  name                = "primaryNic${count.index}"
  location            = "${var.location}"
  resource_group_name = "${azurerm_resource_group.rg.name}"
  # count               = 2

  ip_configuration {
    name                          = "ipconfig${var.rg_prefix}${count.index}"
    subnet_id                     = "${azurerm_subnet.subnet.id}"
    private_ip_address_allocation = "dynamic"
    public_ip_address_id          = "${azurerm_public_ip.pip.id}"
  }

  tags {
    environment = "staging"
  }

}

resource "azurerm_virtual_machine" "vm" {
  name                             = "vm${count.index}"
  location                         = "${var.location}"
  resource_group_name              = "${azurerm_resource_group.rg.name}"
  vm_size                          = "${var.vm_size}"
  network_interface_ids            = ["${azurerm_network_interface.nic.id}"]
  delete_data_disks_on_termination = true
  delete_os_disk_on_termination    = true
  count                            = 2

  storage_image_reference {
    publisher = "${var.image_publisher}"
    offer     = "${var.image_offer}"
    sku       = "${var.image_sku}"
    version   = "${var.image_version}"
  }

  storage_os_disk {
    name          = "${lookup(var.osdisk, count.index)}"
    create_option = "FromImage"
  }

  os_profile {
    computer_name  = "${lookup(var.hostname, count.index)}"
    admin_username = "${var.admin_username}"
    admin_password = "${var.admin_password}"
  }

  os_profile_linux_config {
    disable_password_authentication = false
  }
}
data "azurerm_public_ip" "test" {
  name                = "${azurerm_public_ip.pip.name}"
  resource_group_name = "${azurerm_resource_group.rg.name}"
  depends_on          = ["azurerm_virtual_machine.vm"]
}

resource "null_resource" "null" {
  provisioner "remote-exec" {
    inline = [
      "echo ${var.admin_password} | sudo -S hostnamectl set-hostname nels-sample1",

    ]

    connection {
      type     = "ssh"
      agent    = false
      host     = "${data.azurerm_public_ip.test.ip_address}"
      user     = "${var.admin_username}"
      password = "${var.admin_password}"
      timeout  = "10m"
    }
  }
}
resource "azurerm_network_security_group" "nsg" {
  name                = "nsg${var.resource_group}"
  location            = "${var.location}"
  resource_group_name = "${azurerm_resource_group.rg.name}"

  security_rule {
    name                       = "SSH_Officea1"
    priority                   = 1002
    direction                  = "Inbound"
    access                     = "Allow"
    protocol                   = "Tcp"
    source_port_range          = "*"
    destination_port_range     = "22"
    source_address_prefix      = "*"
    destination_address_prefix = "*"
  }

  tags {
    environment = "Public Cloud Nodes"
  }

  security_rule {
    name                       = "SSH_Officeb2"
    priority                   = 1001
    direction                  = "Inbound"
    access                     = "Allow"
    protocol                   = "Tcp"
    source_port_range          = "*"
    destination_port_range     = "22"
    source_address_prefix      = "*"
    destination_address_prefix = "*"
  }

  tags {
    environment = "Public Cloud Nodes"
  }
}