Class: Chef::Knife::VsphereVmClone

Inherits:
BaseVsphereCommand show all
Includes:
WinrmBase, CustomizationHelper
Defined in:
lib/chef/knife/vsphere_vm_clone.rb

Overview

Clone an existing template into a new VM, optionally applying a customization specification. usage: knife vsphere vm clone NewNode UbuntuTemplate –cspec StaticSpec \

--cips 192.168.0.99/24,192.168.1.99/24 \
--chostname NODENAME --cdomain NODEDOMAIN

Instance Method Summary collapse

Methods included from CustomizationHelper

query_customization_succeeded, wait_for_sysprep

Methods inherited from BaseVsphereCommand

#choose_datastore, common_options, #conn_opts, #datacenter, #fatal_exit, #find_all_in_folder, #find_datastore, #find_datastorecluster, #find_datastores_regex, #find_device, #find_folder, #find_in_folder, #find_network, #find_pool, #get_config, #get_password_from_stdin, #get_path_to_object, #get_vm, #get_vms, #linux?, #password, #tcp_test_port, #tcp_test_port_vm, #traverse_folders_for_computeresources, #traverse_folders_for_dc, #traverse_folders_for_vm, #traverse_folders_for_vms, #vim_connection, #windows?

Methods inherited from Chef::Knife

#log_verbose?

Instance Method Details

#bootstrap_common_params(bootstrap) ⇒ Object 



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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 756

def bootstrap_common_params(bootstrap)
  bootstrap.config[:run_list] = config[:run_list]
  bootstrap.config[:bootstrap_version] = get_config(:bootstrap_version)
  bootstrap.config[:distro] = get_config(:distro)
  bootstrap.config[:template_file] = get_config(:template_file)
  bootstrap.config[:environment] = get_config(:environment)
  bootstrap.config[:prerelease] = get_config(:prerelease)
  bootstrap.config[:first_boot_attributes] = get_config(:first_boot_attributes)
  bootstrap.config[:hint] = get_config(:hint)
  bootstrap.config[:chef_node_name] = get_config(:chef_node_name)
  bootstrap.config[:bootstrap_vault_file] = get_config(:bootstrap_vault_file)
  bootstrap.config[:bootstrap_vault_json] = get_config(:bootstrap_vault_json)
  bootstrap.config[:bootstrap_vault_item] = get_config(:bootstrap_vault_item)
  # may be needed for vpc mode
  bootstrap.config[:no_host_key_verify] = get_config(:no_host_key_verify)
  bootstrap
end

#bootstrap_for_node ⇒ Object 



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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 795

def bootstrap_for_node
  Chef::Knife::Bootstrap.load_deps
  bootstrap = Chef::Knife::Bootstrap.new
  bootstrap.name_args = [config[:fqdn]]
  bootstrap.config[:secret_file] = get_config(:secret_file)
  bootstrap.config[:ssh_user] = get_config(:ssh_user)
  bootstrap.config[:ssh_password] = get_config(:ssh_password)
  bootstrap.config[:ssh_port] = get_config(:ssh_port)
  bootstrap.config[:identity_file] = get_config(:identity_file)
  bootstrap.config[:use_sudo] = true unless get_config(:ssh_user) == 'root'
  bootstrap.config[:log_level] = get_config(:log_level)
  bootstrap_common_params(bootstrap)
end

#bootstrap_for_windows_node ⇒ Object 



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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 774

def bootstrap_for_windows_node
  Chef::Knife::Bootstrap.load_deps
  if get_config(:bootstrap_protocol) == 'winrm' || get_config(:bootstrap_protocol).nil?
    bootstrap = Chef::Knife::BootstrapWindowsWinrm.new
    bootstrap.name_args = [config[:fqdn]]
    bootstrap.config[:winrm_user] = get_config(:winrm_user)
    bootstrap.config[:winrm_password] = get_config(:winrm_password)
    bootstrap.config[:winrm_transport] = get_config(:winrm_transport)
    bootstrap.config[:winrm_port] = get_config(:winrm_port)
  elsif get_config(:bootstrap_protocol) == 'ssh'
    bootstrap = Chef::Knife::BootstrapWindowsSsh.new
    bootstrap.config[:ssh_user] = get_config(:ssh_user)
    bootstrap.config[:ssh_password] = get_config(:ssh_password)
    bootstrap.config[:ssh_port] = get_config(:ssh_port)
  else
    ui.error('Unsupported Bootstrapping Protocol. Supports : winrm, ssh')
    exit 1
  end
  bootstrap_common_params(bootstrap)
end

#create_delta_disk(src_vm) ⇒ Object 



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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 435

def create_delta_disk(src_vm)
  disks = src_vm.config.hardware.device.grep(RbVmomi::VIM::VirtualDisk)
  disks.select { |disk| disk.backing.parent.nil? }.each do |disk|
    spec = {
      deviceChange: [
        {
          operation: :remove,
          device: disk
        },
        {
          operation: :add,
          fileOperation: :create,
          device: disk.dup.tap do |new_disk|
            new_disk.backing = new_disk.backing.dup
            new_disk.backing.fileName = "[#{disk.backing.datastore.name}]"
            new_disk.backing.parent = disk.backing
          end
        }
      ]
    }
    src_vm.ReconfigVM_Task(spec: spec).wait_for_completion
  end
end

#customization_plugin ⇒ KnifeVspherePlugin

Loads the customization plugin if one was specified

Returns:

  • (KnifeVspherePlugin) —

    the loaded and initialized plugin or nil



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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 686

def customization_plugin
  if @customization_plugin.nil?
    cplugin_path = get_config(:customization_plugin)
    if cplugin_path
      if File.exist? cplugin_path
        require cplugin_path
      else
        abort "Customization plugin could not be found at #{cplugin_path}"
      end

      if Object.const_defined? 'KnifeVspherePlugin'
        @customization_plugin = Object.const_get('KnifeVspherePlugin').new
        cplugin_data = get_config(:customization_plugin_data)
        if cplugin_data
          if @customization_plugin.respond_to?(:data=)
            @customization_plugin.data = cplugin_data
          else
            abort 'Customization plugin has no :data= accessor to receive the --cplugin-data argument.  Define both or neither.'
          end
        end
      else
        abort "KnifeVspherePlugin class is not defined in #{cplugin_path}"
      end
    end
  end

  @customization_plugin
end

#find_customization(name) ⇒ RbVmomi::VIM::CustomizationSpecItem

Retrieves a CustomizationSpecItem that matches the supplied name

Parameters:

  • vim (Connection) —

    VI Connection to use

  • name (String) —

    name of customization

Returns:

  • (RbVmomi::VIM::CustomizationSpecItem) 


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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 719

def find_customization(name)
  csm = config[:vim].serviceContent.customizationSpecManager
  csm.GetCustomizationSpec(name: name)
end

#generate_adapter_map(ip = nil, gw = nil, mac = nil) ⇒ RbVmomi::VIM::CustomizationIPSettings

Generates a CustomizationAdapterMapping (currently only single IPv4 address) object

Parameters:

  • ip (String) (defaults to: nil) —

    Any static IP address to use, or “dhcp” for DHCP

  • gw (String) (defaults to: nil) —

    If static, the gateway for the interface, otherwise network address + 1 will be used

Returns:

  • (RbVmomi::VIM::CustomizationIPSettings) 


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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 728

def generate_adapter_map(ip = nil, gw = nil, mac = nil)
  settings = RbVmomi::VIM.CustomizationIPSettings

  if ip.nil? || ip.downcase == 'dhcp'
    settings.ip = RbVmomi::VIM::CustomizationDhcpIpGenerator.new
  else
    cidr_ip = NetAddr::CIDR.create(ip)
    settings.ip = RbVmomi::VIM::CustomizationFixedIp(ipAddress: cidr_ip.ip)
    settings.subnetMask = cidr_ip.netmask_ext

    # TODO: want to confirm gw/ip are in same subnet?
    # Only set gateway on first IP.
    if config[:customization_ips].split(',').first == ip
      if gw.nil?
        settings.gateway = [cidr_ip.network(Objectify: true).next_ip]
      else
        gw_cidr = NetAddr::CIDR.create(gw)
        settings.gateway = [gw_cidr.ip]
      end
    end
  end

  adapter_map = RbVmomi::VIM.CustomizationAdapterMapping
  adapter_map.macAddress = mac if !mac.nil? && (mac != 'auto')
  adapter_map.adapter = settings
  adapter_map
end

#generate_clone_spec(src_config) ⇒ Object

Builds a CloneSpec



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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 460

def generate_clone_spec(src_config)
  rspec = nil
  if get_config(:resource_pool)
    rspec = RbVmomi::VIM.VirtualMachineRelocateSpec(pool: find_pool(get_config(:resource_pool)))
  else
    dc = datacenter
    hosts = traverse_folders_for_computeresources(dc.hostFolder)
    fatal_exit('No ComputeResource found - Use --resource-pool to specify a resource pool or a cluster') if hosts.empty?
    hosts.reject!(&:nil?)
    hosts.reject! { |host| host.host.all? { |h| h.runtime.inMaintenanceMode } }
    fatal_exit 'All hosts in maintenance mode!' if hosts.empty?

    if get_config(:datastore)
      hosts.reject! { |host| !host.datastore.include?(find_datastore(get_config(:datastore))) }
    end

    fatal_exit "No hosts have the requested Datastore available! #{get_config(:datastore)}" if hosts.empty?

    if get_config(:datastorecluster)
      hosts.reject! { |host| !host.datastore.include?(find_datastorecluster(get_config(:datastorecluster))) }
    end

    fatal_exit "No hosts have the requested DatastoreCluster available! #{get_config(:datastorecluster)}" if hosts.empty?

    if get_config(:customization_vlan)
      vlan_list = get_config(:customization_vlan).split(',')
      vlan_list.each do |network|
        hosts.reject! { |host| !host.network.include?(find_network(network)) }
      end
    end

    fatal_exit "No hosts have the requested Network available! #{get_config(:customization_vlan)}" if hosts.empty?

    rp = hosts.first.resourcePool
    rspec = RbVmomi::VIM.VirtualMachineRelocateSpec(pool: rp)
  end

  if get_config(:linked_clone)
    rspec = RbVmomi::VIM.VirtualMachineRelocateSpec(diskMoveType: :moveChildMostDiskBacking)
  end

  if get_config(:datastore) && get_config(:datastorecluster)
    abort 'Please select either datastore or datastorecluster'
  end

  if get_config(:datastore)
    rspec.datastore = find_datastore(get_config(:datastore))
  end

  if get_config(:datastorecluster)
    dsc = find_datastorecluster(get_config(:datastorecluster))

    dsc.childEntity.each do |store|
      if rspec.datastore.nil? || rspec.datastore.summary[:freeSpace] < store.summary[:freeSpace]
        rspec.datastore = store
      end
    end
  end

  if get_config(:thin_provision)
    rspec = RbVmomi::VIM.VirtualMachineRelocateSpec(transform: :sparse, pool: find_pool(get_config(:resource_pool)))
  end

  is_template = !get_config(:mark_as_template).nil?
  clone_spec = RbVmomi::VIM.VirtualMachineCloneSpec(location: rspec, powerOn: false, template: is_template)

  clone_spec.config = RbVmomi::VIM.VirtualMachineConfigSpec(deviceChange: [])

  if get_config(:annotation)
    clone_spec.config.annotation = get_config(:annotation)
  end

  if get_config(:customization_cpucount)
    clone_spec.config.numCPUs = get_config(:customization_cpucount)
  end

  if get_config(:customization_memory)
    clone_spec.config.memoryMB = Integer(get_config(:customization_memory)) * 1024
  end

  if get_config(:customization_macs) && !get_config(:customization_ips)
      abort('Must specify IP numbers with --cips when specifying MAC addresses with --cmacs, can use "dhcp" as placeholder')
  end

  mac_list = if get_config(:customization_macs) == 'auto'
               ['auto'] * get_config(:customization_ips).split(',').length
             else
               get_config(:customization_macs).split(',')
             end

  if get_config(:customization_sw_uuid)
    unless get_config(:customization_vlan)
      abort('Must specify VLANs with --cvlan when specifying switch UUIDs with --sw-uuids')
    end
    swuuid_list = if get_config(:customization_sw_uuid) == 'auto'
                    ['auto'] * get_config(:customization_ips).split(',').length
                  else
                    get_config(:customization_sw_uuid).split(',').map { |swuuid| swuuid.gsub(/((\w+\s+){7})(\w+)\s+(.+)/, '\1\3-\4') }
                  end
  end

  if get_config(:customization_vlan)
    vlan_list = get_config(:customization_vlan).split(',')
    networks = vlan_list.map { |vlan| find_network(vlan) }

    cards = src_config.hardware.device.grep(RbVmomi::VIM::VirtualEthernetCard)

    networks.each_with_index do |network, index|
      card = cards[index] || abort("Can't find source network card to customize for vlan #{vlan_list[index]}")
      begin
        if get_config(:customization_sw_uuid) && (swuuid_list[index] != 'auto')
          switch_port = RbVmomi::VIM.DistributedVirtualSwitchPortConnection(
            switchUuid: swuuid_list[index], portgroupKey: network.key
          )
        else
          switch_port = RbVmomi::VIM.DistributedVirtualSwitchPortConnection(
            switchUuid: network.config.distributedVirtualSwitch.uuid, portgroupKey: network.key
          )
        end
        card.backing.port = switch_port
      rescue
        # not connected to a distibuted switch?
        card.backing = RbVmomi::VIM::VirtualEthernetCardNetworkBackingInfo(network: network, deviceName: network.name)
      end
      card.macAddress = mac_list[index] if get_config(:customization_macs) && mac_list[index] != 'auto'
      dev_spec = RbVmomi::VIM.VirtualDeviceConfigSpec(device: card, operation: 'edit')
      clone_spec.config.deviceChange.push dev_spec
    end
  end

  if get_config(:customization_spec)
    csi = find_customization(get_config(:customization_spec)) ||
          fatal_exit("failed to find customization specification named #{get_config(:customization_spec)}")

    cust_spec = csi.spec
  else
    global_ipset = RbVmomi::VIM.CustomizationGlobalIPSettings
    identity_settings = RbVmomi::VIM.CustomizationIdentitySettings
    cust_spec = RbVmomi::VIM.CustomizationSpec(globalIPSettings: global_ipset, identity: identity_settings)
  end

  if get_config(:customization_dns_ips)
    cust_spec.globalIPSettings.dnsServerList = get_config(:customization_dns_ips).split(',')
  end

  if get_config(:customization_dns_suffixes)
    cust_spec.globalIPSettings.dnsSuffixList = get_config(:customization_dns_suffixes).split(',')
  end

  if config[:customization_ips]
    cust_spec.nicSettingMap = config[:customization_ips].split(',').map.with_index { |cust_ip, index|
      generate_adapter_map(cust_ip, get_config(:customization_gw), mac_list[index])
    }
  end

  if get_config(:disable_customization)
    clone_spec.customization = cust_spec
  else
    use_ident = !config[:customization_hostname].nil? || !get_config(:customization_domain).nil? || cust_spec.identity.nil?

    if use_ident
      hostname = if config[:customization_hostname]
                   config[:customization_hostname]
                 else
                   config[:vmname]
                 end
      if windows?(src_config)
        identification = RbVmomi::VIM.CustomizationIdentification(
          joinWorkgroup: cust_spec.identity.identification.joinWorkgroup
        )
        license_file_print_data = RbVmomi::VIM.CustomizationLicenseFilePrintData(
          autoMode: cust_spec.identity.licenseFilePrintData.autoMode
        )

        user_data = RbVmomi::VIM.CustomizationUserData(
          fullName: cust_spec.identity.userData.fullName,
          orgName: cust_spec.identity.userData.orgName,
          productId: cust_spec.identity.userData.productId,
          computerName: RbVmomi::VIM.CustomizationFixedName(name: hostname)
        )

        gui_unattended = RbVmomi::VIM.CustomizationGuiUnattended(
          autoLogon: cust_spec.identity.guiUnattended.autoLogon,
          autoLogonCount: cust_spec.identity.guiUnattended.autoLogonCount,
          password: RbVmomi::VIM.CustomizationPassword(
            plainText: cust_spec.identity.guiUnattended.password.plainText,
            value: cust_spec.identity.guiUnattended.password.value
          ),
          timeZone: cust_spec.identity.guiUnattended.timeZone
        )
        runonce = RbVmomi::VIM.CustomizationGuiRunOnce(
          commandList: ['cust_spec.identity.guiUnattended.commandList']
        )
        ident = RbVmomi::VIM.CustomizationSysprep
        ident.guiRunOnce = runonce
        ident.guiUnattended = gui_unattended
        ident.identification = identification
        ident.licenseFilePrintData = license_file_print_data
        ident.userData = user_data
        cust_spec.identity = ident
      elsif linux?(src_config)
        ident = RbVmomi::VIM.CustomizationLinuxPrep
        ident.hostName = RbVmomi::VIM.CustomizationFixedName(name: hostname)

        ident.domain = if get_config(:customization_domain)
                         get_config(:customization_domain)
                       else
                         ''
                       end
        cust_spec.identity = ident
      else
        ui.error('Customization only supports Linux and Windows currently.')
        exit 1
      end
    end
    clone_spec.customization = cust_spec

    if customization_plugin && customization_plugin.respond_to?(:customize_clone_spec)
      clone_spec = customization_plugin.customize_clone_spec(src_config, clone_spec)
    end
  end
  clone_spec
end

#guest_address(vm) ⇒ Object 



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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 394

def guest_address(vm)
  puts 'Waiting for network interfaces to become available...'
  sleep 2 while vm.guest.net.empty? || !vm.guest.ipAddress
  ui.info "Found address #{vm.guest.ipAddress}" if log_verbose?
  guest_address ||=
    config[:fqdn] = if config[:bootstrap_ipv4]
                      ipv4_address(vm)
                    elsif config[:fqdn]
                      get_config(:fqdn)
                    else
                      # Use the first IP which is not a link-local address.
                      # This is the closest thing to vm.guest.ipAddress but
                      # allows specifying a NIC.
                      vm.guest.net[bootstrap_nic_index].ipConfig.ipAddress.detect do |addr|
                        addr.origin != 'linklayer'
                      end.ipAddress
                    end
end

#ipv4_address(vm) ⇒ Object 



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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 385

def ipv4_address(vm)
  puts 'Waiting for a valid IPv4 address...'
  # Multiple reboots occur during guest customization in which a link-local
  # address is assigned. As such, we need to wait until a routable IP address
  # becomes available. This is most commonly an issue with Windows instances.
  sleep 2 while vm.guest.net[bootstrap_nic_index].ipConfig.ipAddress.detect { |addr| IPAddr.new(addr.ipAddress).ipv4? }.origin == 'linklayer'
  vm.guest.net[bootstrap_nic_index].ipAddress.detect { |addr| IPAddr.new(addr).ipv4? }
end

#load_winrm_deps ⇒ Object 



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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 888

def load_winrm_deps
  require 'winrm'
  require 'chef/knife/winrm'
  require 'chef/knife/bootstrap_windows_winrm'
  require 'chef/knife/bootstrap_windows_ssh'
  require 'chef/knife/core/windows_bootstrap_context'
end

#run ⇒ Object 



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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 306

def run
  $stdout.sync = true

  unless using_supplied_hostname? ^ using_random_hostname?
    show_usage
    fatal_exit('You must specify a virtual machine name OR use --random-vmname')
  end

  config[:chef_node_name] = vmname unless get_config(:chef_node_name)
  config[:vmname] = vmname

  vim = vim_connection
  vim.serviceContent.virtualDiskManager

  dc = datacenter

  src_folder = find_folder(get_config(:folder)) || dc.vmFolder

  abort '--template or knife[:source_vm] must be specified' unless config[:source_vm]

  src_vm = find_in_folder(src_folder, RbVmomi::VIM::VirtualMachine, config[:source_vm]) ||
           abort('VM/Template not found')

  create_delta_disk(src_vm) if get_config(:linked_clone)

  clone_spec = generate_clone_spec(src_vm.config)

  cust_folder = config[:dest_folder] || get_config(:folder)

  dest_folder = cust_folder.nil? ? src_vm.vmFolder : find_folder(cust_folder)

  task = src_vm.CloneVM_Task(folder: dest_folder, name: vmname, spec: clone_spec)
  puts "Cloning template #{config[:source_vm]} to new VM #{vmname}"

  pp clone_spec if log_verbose?

  task.wait_for_completion
  puts "Finished creating virtual machine #{vmname}"

  if customization_plugin && customization_plugin.respond_to?(:reconfig_vm)
    target_vm = find_in_folder(dest_folder, RbVmomi::VIM::VirtualMachine, vmname) || abort("VM could not be found in #{dest_folder}")
    customization_plugin.reconfig_vm(target_vm)
  end

  return if get_config(:mark_as_template)
  if get_config(:power) || get_config(:bootstrap)
    vm = find_in_folder(dest_folder, RbVmomi::VIM::VirtualMachine, vmname) ||
         fatal_exit("VM #{vmname} not found")
    vm.PowerOnVM_Task.wait_for_completion
    puts "Powered on virtual machine #{vmname}"
  end

  return unless get_config(:bootstrap)

  connect_host = guest_address(vm)
  Chef::Log.debug("Connect Host for Bootstrap: #{connect_host}")
  connect_port = get_config(:ssh_port)
  protocol = get_config(:bootstrap_protocol)
  if windows?(src_vm.config)
    protocol ||= 'winrm'
    # Set distro to windows-chef-client-msi
    config[:distro] = 'windows-chef-client-msi' if config[:distro].nil? || config[:distro] == 'chef-full'
    unless config[:disable_customization]
      # Wait for customization to complete
      puts 'Waiting for customization to complete...'
      CustomizationHelper.wait_for_sysprep(vm, vim, Integer(get_config(:sysprep_timeout)), 10)
      puts 'Customization Complete'
    end
    wait_for_access(connect_host, connect_port, protocol)
    ssh_override_winrm
    bootstrap_for_windows_node.run
  else
    protocol ||= 'ssh'
    wait_for_access(connect_host, connect_port, protocol)
    ssh_override_winrm
    bootstrap_for_node.run
  end
end

#ssh_override_winrm ⇒ Object 



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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 809

def ssh_override_winrm
  # unchanged ssh_user and changed winrm_user, override ssh_user
  if get_config(:ssh_user).eql?(options[:ssh_user][:default]) &&
     !get_config(:winrm_user).eql?(options[:winrm_user][:default])
    config[:ssh_user] = get_config(:winrm_user)
  end

  # unchanged ssh_port and changed winrm_port, override ssh_port
  if get_config(:ssh_port).eql?(options[:ssh_port][:default]) &&
     !get_config(:winrm_port).eql?(options[:winrm_port][:default])
    config[:ssh_port] = get_config(:winrm_port)
  end

  # unset ssh_password and set winrm_password, override ssh_password
  if get_config(:ssh_password).nil? &&
     !get_config(:winrm_password).nil?
    config[:ssh_password] = get_config(:winrm_password)
  end

  # unset identity_file and set kerberos_keytab_file, override identity_file
  return unless get_config(:identity_file).nil? && !get_config(:kerberos_keytab_file).nil?

  config[:identity_file] = get_config(:kerberos_keytab_file)
end

#tcp_test_ssh(hostname, ssh_port) ⇒ Object 



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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 834

def tcp_test_ssh(hostname, ssh_port)
  tcp_socket = TCPSocket.new(hostname, ssh_port)
  readable = IO.select([tcp_socket], nil, nil, 5)
  if readable
    ssh_banner = tcp_socket.gets
    if ssh_banner.nil? || ssh_banner.empty?
      false
    else
      Chef::Log.debug("sshd accepting connections on #{hostname}, banner is #{ssh_banner}")
      yield
      true
    end
  else
    false
  end
rescue SocketError, Errno::ECONNREFUSED, Errno::EHOSTUNREACH, Errno::ENETUNREACH, IOError
  Chef::Log.debug("ssh failed to connect: #{hostname}")
  sleep 2
  false
rescue Errno::EPERM, Errno::ETIMEDOUT
  Chef::Log.debug("ssh timed out: #{hostname}")
  false
rescue Errno::ECONNRESET
  Chef::Log.debug("ssh reset its connection: #{hostname}")
  sleep 2
  false
ensure
  tcp_socket && tcp_socket.close
end

#tcp_test_winrm(hostname, port) ⇒ Object 



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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 864

def tcp_test_winrm(hostname, port)
  tcp_socket = TCPSocket.new(hostname, port)
  yield
  true
rescue SocketError
  sleep 2
  false
rescue Errno::ETIMEDOUT
  false
rescue Errno::EPERM
  false
rescue Errno::ECONNREFUSED
  sleep 2
  false
rescue Errno::EHOSTUNREACH
  sleep 2
  false
rescue Errno::ENETUNREACH
  sleep 2
  false
ensure
  tcp_socket && tcp_socket.close
end

#wait_for_access(connect_host, connect_port, protocol) ⇒ Object 



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# File 'lib/chef/knife/vsphere_vm_clone.rb', line 413

def wait_for_access(connect_host, connect_port, protocol)
  if protocol == 'winrm'
    load_winrm_deps
    if get_config(:winrm_transport) == 'ssl' && get_config(:winrm_port) == '5985'
      config[:winrm_port] = '5986'
    end
    connect_port = get_config(:winrm_port)
    print "\n#{ui.color("Waiting for winrm access to become available on #{connect_host}:#{connect_port}",:magenta)}"
    print('.') until tcp_test_winrm(connect_host, connect_port) do
      sleep 10
      puts('done')
    end
  else
    print "\n#{ui.color("Waiting for sshd access to become available on #{connect_host}:#{connect_port}", :magenta)}"
    print('.') until tcp_test_ssh(connect_host, connect_port) do
      sleep 10
      puts('done')
    end
  end
  connect_port
end