provider "azurerm" {
}

data "azurerm_network_security_group" "worker-nsg" {
  name                = "worker-nsg"
  resource_group_name = "swh-resource"
}

data "azurerm_subnet" "default" {
  name                 = "default"
  virtual_network_name = "swh-vnet"
  resource_group_name  = "swh-resource"
}

resource "azurerm_network_interface" "cassandra_vms_interfaces" {
  count = "${var.nb_cassandra_nodes}"

  name                = "cassandra-${count.index}_interface"
  location            = "westeurope"
  resource_group_name = "euwest-cassandra"
  network_security_group_id = "${data.azurerm_network_security_group.worker-nsg.id}"

  ip_configuration {
    name                          = "myNicConfiguration"
    subnet_id                     = "${data.azurerm_subnet.default.id}"
    public_ip_address_id          = ""
    private_ip_address_allocation = "Dynamic"
  }
}

resource "azurerm_virtual_machine" "cassandra_vms" {
  count = "${var.nb_cassandra_nodes}"

  name                  = "cassandra-${count.index}"
  location              = "westeurope"
  resource_group_name   = "euwest-cassandra"
  network_interface_ids = [
    "${element(azurerm_network_interface.cassandra_vms_interfaces.*.id, count.index)}"]
  vm_size               = "Standard_B1s"

  storage_os_disk {
    name              = "cassandra-${count.index}_osdisk"
    caching           = "ReadWrite"
    create_option     = "FromImage"
    managed_disk_type = "Premium_LRS"
  }

  storage_image_reference {
    publisher = "credativ"
    offer     = "Debian"
    sku       = "9"
    version   = "latest"
  }

  os_profile {
    computer_name  = "test-cassandra-${count.index}"
    admin_username = "vlorentz"
  }
  os_profile_linux_config {
    disable_password_authentication = true
    ssh_keys {
      path = "/home/vlorentz/.ssh/authorized_keys"
      key_data = "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC1gRhavvtL92IIuXdVujwVnptT2aDlJafaDNrr7AVo2Eboc7MAlQC+9UHDpMqVhmLL3J9OFR7vSFMYjsRoREIB5wxsoTOQy5D2kZwbu28dMy7ZEM+gNFyQaGucngTSj0d3m80RVBYOMDupaXtPuw0fEzRKmHMOr3zMhCK8djbdMKIWnPMA2mxGjiCY22jd7k3jlGti3iXjZ+Mrl1VGKuOXiEpHsDNoQfL289odkP4nWQA95tS6Lwi2gUtSLmhu9QTfIoFVFwdGT8jLa3ql3Ia45otCDTH2SrI9ZYoUhmTDNwcVhhkpfCb8tbsU0zD6qSTn5EWHpv6+56oa3nLutgF1 azure@desktop5"
    }
  }

  storage_data_disk {
    name = "cassandra-${count.index}_datadisk"
    lun = 0
    disk_size_gb = 1024
    managed_disk_type = "Premium_LRS"
    create_option = "Empty"
  }
}