Class: Vmpooler::PoolManager::Provider::VSphere

Inherits:
Base
  • Object
show all
Defined in:
lib/vmpooler/providers/vsphere.rb

Constant Summary collapse

ADAPTER_TYPE =

vSphere helper methods

'lsiLogic'
DISK_TYPE = 
'thin'
DISK_MODE = 
'persistent'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config, logger, metrics, redis_connection_pool, name, options) ⇒ VSphere

Returns a new instance of VSphere.



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# File 'lib/vmpooler/providers/vsphere.rb', line 15

def initialize(config, logger, metrics, redis_connection_pool, name, options)
  super(config, logger, metrics, redis_connection_pool, name, options)

  task_limit = global_config[:config].nil? || global_config[:config]['task_limit'].nil? ? 10 : global_config[:config]['task_limit'].to_i
  # The default connection pool size is:
  # Whatever is biggest from:
  #   - How many pools this provider services
  #   - Maximum number of cloning tasks allowed
  #   - Need at least 2 connections so that a pool can have inventory functions performed while cloning etc.
  default_connpool_size = [provided_pools.count, task_limit, 2].max
  connpool_size = provider_config['connection_pool_size'].nil? ? default_connpool_size : provider_config['connection_pool_size'].to_i
  # The default connection pool timeout should be quite large - 60 seconds
  connpool_timeout = provider_config['connection_pool_timeout'].nil? ? 60 : provider_config['connection_pool_timeout'].to_i
  logger.log('d', "[#{name}] ConnPool - Creating a connection pool of size #{connpool_size} with timeout #{connpool_timeout}")
  @connection_pool = Vmpooler::PoolManager::GenericConnectionPool.new(
    metrics: metrics,
    connpool_type: 'provider_connection_pool',
    connpool_provider: name,
    size: connpool_size,
    timeout: connpool_timeout
  ) do
    logger.log('d', "[#{name}] Connection Pool - Creating a connection object")
    # Need to wrap the vSphere connection object in another object. The generic connection pooler will preserve
    # the object reference for the connection, which means it cannot "reconnect" by creating an entirely new connection
    # object.  Instead by wrapping it in a Hash, the Hash object reference itself never changes but the content of the
    # Hash can change, and is preserved across invocations.
    new_conn = connect_to_vsphere
    { connection: new_conn }
  end
  @provider_hosts = {}
  @provider_hosts_lock = Mutex.new
  @redis = redis_connection_pool
end

Instance Attribute Details

#connection_pool ⇒ Object (readonly)

The connection_pool method is normally used only for testing



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# File 'lib/vmpooler/providers/vsphere.rb', line 13

def connection_pool
  @connection_pool
end

Instance Method Details

#add_disk(vm, size, datastore, connection, datacentername) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 701

def add_disk(vm, size, datastore, connection, datacentername)
  return false unless size.to_i > 0

  vmdk_datastore = find_datastore(datastore, connection, datacentername)
  raise("Datastore '#{datastore}' does not exist in datacenter '#{datacentername}'") if vmdk_datastore.nil?

  datacenter = connection.serviceInstance.find_datacenter(datacentername)
  controller = find_disk_controller(vm)
  disk_unit_number = find_disk_unit_number(vm, controller)
  disk_count = vm.config.hardware.device.grep(RbVmomi::VIM::VirtualDisk).count
  vmdk_file_name = "#{vm['name']}/#{vm['name']}_#{disk_count}.vmdk"

  vmdk_spec = RbVmomi::VIM::FileBackedVirtualDiskSpec(
    capacityKb: size.to_i * 1024 * 1024,
    adapterType: ADAPTER_TYPE,
    diskType: DISK_TYPE
  )

  vmdk_backing = RbVmomi::VIM::VirtualDiskFlatVer2BackingInfo(
    datastore: vmdk_datastore,
    diskMode: DISK_MODE,
    fileName: "[#{datastore}] #{vmdk_file_name}"
  )

  device = RbVmomi::VIM::VirtualDisk(
    backing: vmdk_backing,
    capacityInKB: size.to_i * 1024 * 1024,
    controllerKey: controller.key,
    key: -1,
    unitNumber: disk_unit_number
  )

  device_config_spec = RbVmomi::VIM::VirtualDeviceConfigSpec(
    device: device,
    operation: RbVmomi::VIM::VirtualDeviceConfigSpecOperation('add')
  )

  vm_config_spec = RbVmomi::VIM::VirtualMachineConfigSpec(
    deviceChange: [device_config_spec]
  )

  connection.serviceContent.virtualDiskManager.CreateVirtualDisk_Task(
    datacenter: datacenter,
    name: "[#{datastore}] #{vmdk_file_name}",
    spec: vmdk_spec
  ).wait_for_completion

  vm.ReconfigVM_Task(spec: vm_config_spec).wait_for_completion

  true
end

#build_compatible_hosts_lists(hosts, percentage) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 913

def build_compatible_hosts_lists(hosts, percentage)
  hosts_with_arch_versions = hosts.map do |h|
    {
      'utilization' => h[0],
      'host_object' => h[1],
      'architecture' => get_host_cpu_arch_version(h[1])
    }
  end
  versions = hosts_with_arch_versions.map { |host| host['architecture'] }.uniq
  architectures = {}
  versions.each do |version|
    architectures[version] = []
  end

  hosts_with_arch_versions.each do |h|
    architectures[h['architecture']] << [h['utilization'], h['host_object'], h['architecture']]
  end

  versions.each do |version|
    targets = select_least_used_hosts(architectures[version], percentage)
    architectures[version] = targets
  end
  architectures
end

#build_propSpecs(datacenter, folder, vmname) ⇒ Object

rubocop:disable Naming/MethodName



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# File 'lib/vmpooler/providers/vsphere.rb', line 1027

def build_propSpecs(datacenter, folder, vmname) # rubocop:disable Naming/MethodName
  {
    entity => self,
    :inventoryPath => "#{datacenter}/vm/#{folder}/#{vmname}"
  }
end

#connect_to_vsphere ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 644

def connect_to_vsphere
  max_tries = global_config[:config]['max_tries'] || 3
  retry_factor = global_config[:config]['retry_factor'] || 10
  try = 1
  begin
    connection = RbVmomi::VIM.connect host: provider_config['server'],
                                      user: provider_config['username'],
                                      password: provider_config['password'],
                                      insecure: provider_config['insecure'] || false
    metrics.increment('connect.open')
    connection
  rescue StandardError => e
    metrics.increment('connect.fail')
    raise e if try >= max_tries

    sleep(try * retry_factor)
    try += 1
    retry
  end
end

#cpu_utilization_for(host) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 892

def cpu_utilization_for(host)
  cpu_usage = host.summary.quickStats.overallCpuUsage
  return nil if cpu_usage.nil?

  cpu_size = host.summary.hardware.cpuMhz * host.summary.hardware.numCpuCores
  cpu_usage.fdiv(cpu_size) * 100
end

#create_clone_spec(relocate_spec, config_spec) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 439

def create_clone_spec(relocate_spec, config_spec)
  RbVmomi::VIM.VirtualMachineCloneSpec(
    location: relocate_spec,
    config: config_spec,
    powerOn: true,
    template: false
  )
end

#create_config_spec(vm_name, template_name, extra_config) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 405

def create_config_spec(vm_name, template_name, extra_config)
  RbVmomi::VIM.VirtualMachineConfigSpec(
    annotation: JSON.pretty_generate(
      name: vm_name,
      created_by: provider_config['username'],
      base_template: template_name,
      creation_timestamp: Time.now.utc
    ),
    extraConfig: extra_config
  )
end

#create_disk(pool_name, vm_name, disk_size) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 492

def create_disk(pool_name, vm_name, disk_size)
  pool = pool_config(pool_name)
  raise("Pool #{pool_name} does not exist for the provider #{name}") if pool.nil?

  datastore_name = pool['datastore']
  raise("Pool #{pool_name} does not have a datastore defined for the provider #{name}") if datastore_name.nil?

  @connection_pool.with_metrics do |pool_object|
    connection = ensured_vsphere_connection(pool_object)
    vm_object = find_vm(pool_name, vm_name, connection)
    raise("VM #{vm_name} in pool #{pool_name} does not exist for the provider #{name}") if vm_object.nil?

    add_disk(vm_object, disk_size, datastore_name, connection, get_target_datacenter_from_config(pool_name))
  end
  true
end

#create_folder(connection, new_folder, datacenter) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1172

def create_folder(connection, new_folder, datacenter)
  dc = connection.serviceInstance.find_datacenter(datacenter)
  folder_object = dc.vmFolder.traverse(new_folder, RbVmomi::VIM::Folder, true)
  raise("Cannot create folder #{new_folder}") if folder_object.nil?

  folder_object
end

#create_relocate_spec(target_datastore, target_datacenter_name, pool_name, connection) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 417

def create_relocate_spec(target_datastore, target_datacenter_name, pool_name, connection)
  pool = pool_config(pool_name)
  target_cluster_name = get_target_cluster_from_config(pool_name)

  relocate_spec = RbVmomi::VIM.VirtualMachineRelocateSpec(
    datastore: find_datastore(target_datastore, connection, target_datacenter_name),
    diskMoveType: get_disk_backing(pool)
  )
  manage_host_selection = @config[:config]['manage_host_selection'] if @config[:config].key?('manage_host_selection')
  if manage_host_selection
    run_select_hosts(pool_name, @provider_hosts)
    target_host = select_next_host(pool_name, @provider_hosts)
    host_object = find_host_by_dnsname(connection, target_host)
    relocate_spec.host = host_object
  else
    # Choose a cluster/host to place the new VM on
    target_cluster_object = find_cluster(target_cluster_name, connection, target_datacenter_name)
    relocate_spec.pool = target_cluster_object.resourcePool
  end
  relocate_spec
end

#create_snapshot(pool_name, vm_name, new_snapshot_name) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 509

def create_snapshot(pool_name, vm_name, new_snapshot_name)
  @connection_pool.with_metrics do |pool_object|
    connection = ensured_vsphere_connection(pool_object)
    vm_object = find_vm(pool_name, vm_name, connection)
    raise("VM #{vm_name} in pool #{pool_name} does not exist for the provider #{name}") if vm_object.nil?

    old_snap = find_snapshot(vm_object, new_snapshot_name)
    raise("Snapshot #{new_snapshot_name} for VM #{vm_name} in pool #{pool_name} already exists for the provider #{name}") unless old_snap.nil?

    vm_object.CreateSnapshot_Task(
      name: new_snapshot_name,
      description: 'vmpooler',
      memory: true,
      quiesce: true
    ).wait_for_completion
  end
  true
end

#create_template_delta_disks(pool) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1195

def create_template_delta_disks(pool)
  @connection_pool.with_metrics do |pool_object|
    connection = ensured_vsphere_connection(pool_object)
    template_vm_object = find_template_vm(pool, connection)

    template_vm_object.add_delta_disk_layer_on_all_disks
  end
end

#create_vm(pool_name, new_vmname) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 318

def create_vm(pool_name, new_vmname)
  pool = pool_config(pool_name)
  raise("Pool #{pool_name} does not exist for the provider #{name}") if pool.nil?

  vm_hash = nil
  @connection_pool.with_metrics do |pool_object|
    connection = ensured_vsphere_connection(pool_object)
    # Assume all pool config is valid i.e. not missing
    template_path = pool['template']
    target_folder_path = pool['folder']
    target_datastore = pool['datastore']
    target_datacenter_name = get_target_datacenter_from_config(pool_name)

    # Get the template VM object
    raise("Pool #{pool_name} did not specify a full path for the template for the provider #{name}") unless valid_template_path? template_path

    template_vm_object = find_template_vm(pool, connection)

    extra_config = [
      { key: 'guestinfo.hostname', value: new_vmname }
    ]

    if pool.key?('snapshot_mainMem_ioBlockPages')
      ioblockpages = pool['snapshot_mainMem_ioBlockPages']
      extra_config.push(
        { key: 'mainMem.ioBlockPages', value: ioblockpages }
      )
    end
    if pool.key?('snapshot_mainMem_iowait')
      iowait = pool['snapshot_mainMem_iowait']
      extra_config.push(
        { key: 'mainMem.iowait', value: iowait }
      )
    end

    # Annotate with creation time, origin template, etc.
    # Add extraconfig options that can be queried by vmtools
    config_spec = create_config_spec(new_vmname, template_path, extra_config)

    # Check if alternate network configuration is specified and add configuration
    if pool.key?('network')
      template_vm_network_device = template_vm_object.config.hardware.device.grep(RbVmomi::VIM::VirtualEthernetCard).first
      network_name = pool['network']
      network_device = set_network_device(target_datacenter_name, template_vm_network_device, network_name, connection)
      config_spec.deviceChange = [{ operation: 'edit', device: network_device }]
    end

    # Put the VM in the specified folder and resource pool
    relocate_spec = create_relocate_spec(target_datastore, target_datacenter_name, pool_name, connection)

    # Create a clone spec
    clone_spec = create_clone_spec(relocate_spec, config_spec)

    begin
      vm_target_folder = find_vm_folder(pool_name, connection)
      vm_target_folder ||= create_folder(connection, target_folder_path, target_datacenter_name) if @config[:config].key?('create_folders') && (@config[:config]['create_folders'] == true)
    rescue StandardError
      if @config[:config].key?('create_folders') && (@config[:config]['create_folders'] == true)
        vm_target_folder = create_folder(connection, target_folder_path, target_datacenter_name)
      else
        raise
      end
    end
    raise ArgumentError, "Cannot find the configured folder for #{pool_name} #{target_folder_path}" unless vm_target_folder

    # Create the new VM
    new_vm_object = template_vm_object.CloneVM_Task(
      folder: vm_target_folder,
      name: new_vmname,
      spec: clone_spec
    ).wait_for_completion

    vm_hash = generate_vm_hash(new_vm_object, pool_name)
  end
  vm_hash
end

#destroy_folder(folder_object) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 117

def destroy_folder(folder_object)
  try = 0 if try.nil?
  max_tries = 3
  logger.log('s', "[-] [#{folder_object.name}] removing unconfigured folder")
  folder_object.Destroy_Task.wait_for_completion
rescue StandardError
  try += 1
  try >= max_tries ? raise : retry
end

#destroy_folder_and_children(folder_object) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 101

def destroy_folder_and_children(folder_object)
  vms = {}
  data_ttl = $config[:redis]['data_ttl'].to_i
  folder_name = folder_object.name
  unless folder_object.childEntity.count == 0
    folder_object.childEntity.each do |vm|
      vms[vm.name] = vm
    end

    vms.each do |vm_name, vm_object|
      destroy_vm_and_log(vm_name, vm_object, folder_name, data_ttl)
    end
  end
  destroy_folder(folder_object)
end

#destroy_vm(pool_name, vm_name) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 542

def destroy_vm(pool_name, vm_name)
  @connection_pool.with_metrics do |pool_object|
    connection = ensured_vsphere_connection(pool_object)
    vm_object = find_vm(pool_name, vm_name, connection)
    # If a VM doesn't exist then it is effectively deleted
    return true if vm_object.nil?

    # Poweroff the VM if it's running
    vm_object.PowerOffVM_Task.wait_for_completion if vm_object.runtime&.powerState && vm_object.runtime.powerState == 'poweredOn'

    # Kill it with fire
    vm_object.Destroy_Task.wait_for_completion
  end
  true
end

#destroy_vm_and_log(vm_name, vm_object, pool, data_ttl) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 67

def destroy_vm_and_log(vm_name, vm_object, pool, data_ttl)
  try = 0 if try.nil?
  max_tries = 3
  @redis.with_metrics do |redis|
    redis.multi
    redis.srem("vmpooler__completed__#{pool}", vm_name)
    redis.hdel("vmpooler__active__#{pool}", vm_name)
    redis.hset("vmpooler__vm__#{vm_name}", 'destroy', Time.now)

    # Auto-expire metadata key
    redis.expire("vmpooler__vm__#{vm_name}", (data_ttl * 60 * 60))
    redis.exec
  end

  start = Time.now

  if vm_object.is_a? RbVmomi::VIM::Folder
    logger.log('s', "[!] [#{pool}] '#{vm_name}' is a folder, bailing on destroying")
    raise('Expected VM, but received a folder object')
  end
  vm_object.PowerOffVM_Task.wait_for_completion if vm_object.runtime&.powerState && vm_object.runtime.powerState == 'poweredOn'
  vm_object.Destroy_Task.wait_for_completion

  finish = format('%<time>.2f', time: Time.now - start)
  logger.log('s', "[-] [#{pool}] '#{vm_name}' destroyed in #{finish} seconds")
  metrics.timing("destroy.#{pool}", finish)
rescue RuntimeError
  raise
rescue StandardError => e
  try += 1
  logger.log('s', "[!] [#{pool}] failed to destroy '#{vm_name}' with an error: #{e}")
  try >= max_tries ? raise : retry
end

#domain(pool_name) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 54

def domain(pool_name)
  dns_plugin_name = pool_config(pool_name)['dns_plugin']
  dns_config(dns_plugin_name)
end

#ensured_vsphere_connection(connection_pool_object) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 632

def ensured_vsphere_connection(connection_pool_object)
  connection_pool_object[:connection] = connect_to_vsphere unless vsphere_connection_ok?(connection_pool_object[:connection])
  connection_pool_object[:connection]
end

#find_cluster(cluster, connection, datacentername) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 984

def find_cluster(cluster, connection, datacentername)
  datacenter = connection.serviceInstance.find_datacenter(datacentername)
  raise("Datacenter #{datacentername} does not exist") if datacenter.nil?

  # In the event the cluster is not a direct descendent of the
  # datacenter, we use a ContainerView to leverage its recursive
  # search. This will find clusters which are, for example, in
  # folders under the datacenter. This will also find standalone
  # hosts which are not part of a cluster.
  cv = connection.serviceContent.viewManager.CreateContainerView(
    container: datacenter.hostFolder,
    type: ['ComputeResource', 'ClusterComputeResource'],
    recursive: true
  )
  cluster = cv.view.find { |cluster_object| cluster_object.name == cluster }
  cv.DestroyView
  cluster
end

#find_datastore(datastorename, connection, datacentername) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 753

def find_datastore(datastorename, connection, datacentername)
  datacenter = connection.serviceInstance.find_datacenter(datacentername)
  raise("Datacenter #{datacentername} does not exist") if datacenter.nil?

  datacenter.find_datastore(datastorename)
end

#find_device(vm, device_name) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 760

def find_device(vm, device_name)
  vm.config.hardware.device.each do |device|
    return device if device.deviceInfo.label == device_name
  end

  nil
end

#find_disk_controller(vm) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 768

def find_disk_controller(vm)
  devices = find_disk_devices(vm)

  devices.keys.sort.each do |device|
    return find_device(vm, devices[device]['device'].deviceInfo.label) if devices[device]['children'].length < 15
  end

  nil
end

#find_disk_devices(vm) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 778

def find_disk_devices(vm)
  devices = {}

  vm.config.hardware.device.each do |device|
    if device.is_a? RbVmomi::VIM::VirtualSCSIController
      if devices[device.controllerKey].nil?
        devices[device.key] = {}
        devices[device.key]['children'] = []
      end

      devices[device.key]['device'] = device
    end

    if device.is_a? RbVmomi::VIM::VirtualDisk
      if devices[device.controllerKey].nil?
        devices[device.controllerKey] = {}
        devices[device.controllerKey]['children'] = []
      end

      devices[device.controllerKey]['children'].push(device)
    end
  end

  devices
end

#find_disk_unit_number(vm, controller) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 804

def find_disk_unit_number(vm, controller)
  used_unit_numbers = []
  available_unit_numbers = []

  devices = find_disk_devices(vm)

  devices.keys.sort.each do |c|
    next unless controller.key == devices[c]['device'].key

    used_unit_numbers.push(devices[c]['device'].scsiCtlrUnitNumber)
    devices[c]['children'].each do |disk|
      used_unit_numbers.push(disk.unitNumber)
    end
  end

  (0..15).each do |scsi_id|
    available_unit_numbers.push(scsi_id) if used_unit_numbers.grep(scsi_id).length <= 0
  end

  available_unit_numbers.min
end

#find_host_by_dnsname(connection, dnsname) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 969

def find_host_by_dnsname(connection, dnsname)
  host_object = connection.searchIndex.FindByDnsName(dnsName: dnsname, vmSearch: false)
  return nil if host_object.nil?

  host_object
end

#find_least_used_host(cluster, connection, datacentername) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 976

def find_least_used_host(cluster, connection, datacentername)
  cluster_object = find_cluster(cluster, connection, datacentername)
  target_hosts = get_cluster_host_utilization(cluster_object)
  raise("There is no host candidate in vcenter that meets all the required conditions, check that the cluster has available hosts in a 'green' status, not in maintenance mode and not overloaded CPU and memory'") if target_hosts.empty?

  target_hosts.min[1]
end

#find_least_used_hosts(cluster, datacentername, percentage) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 951

def find_least_used_hosts(cluster, datacentername, percentage)
  @connection_pool.with_metrics do |pool_object|
    connection = ensured_vsphere_connection(pool_object)
    cluster_object = find_cluster(cluster, connection, datacentername)
    raise("Cluster #{cluster} cannot be found") if cluster_object.nil?

    target_hosts = get_cluster_host_utilization(cluster_object)
    raise("there is no candidate in vcenter that meets all the required conditions, that the cluster has available hosts in a 'green' status, not in maintenance mode and not overloaded CPU and memory'") if target_hosts.empty?

    architectures = build_compatible_hosts_lists(target_hosts, percentage)
    least_used_hosts = select_least_used_hosts(target_hosts, percentage)
    {
      'hosts' => least_used_hosts,
      'architectures' => architectures
    }
  end
end

#find_least_used_vpshere_compatible_host(vm) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1012

def find_least_used_vpshere_compatible_host(vm)
  source_host = vm.summary.runtime.host
  model = get_host_cpu_arch_version(source_host)
  cluster = source_host.parent
  target_hosts = get_cluster_host_utilization(cluster, model)
  raise("There is no host candidate in vcenter that meets all the required conditions, check that the cluster has available hosts in a 'green' status, not in maintenance mode and not overloaded CPU and memory'") if target_hosts.empty?

  target_host = target_hosts.min[1]
  [target_host, target_host.name]
end

#find_snapshot(vm, snapshotname) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1023

def find_snapshot(vm, snapshotname)
  get_snapshot_list(vm.snapshot.rootSnapshotList, snapshotname) if vm.snapshot
end

#find_template_vm(pool, connection) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1180

def find_template_vm(pool, connection)
  datacenter = get_target_datacenter_from_config(pool['name'])
  raise('cannot find datacenter') if datacenter.nil?

  propSpecs = { # rubocop:disable Naming/VariableName
    entity: self,
    inventoryPath: "#{datacenter}/vm/#{pool['template']}"
  }

  template_vm_object = connection.searchIndex.FindByInventoryPath(propSpecs) # rubocop:disable Naming/VariableName
  raise("Pool #{pool['name']} specifies a template VM of #{pool['template']} which does not exist for the provider #{name}") if template_vm_object.nil?

  template_vm_object
end

#find_vm(pool_name, vmname, connection) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1034

def find_vm(pool_name, vmname, connection)
  # Find a VM by its inventory path and return the VM object
  # Returns nil when a VM, or pool configuration, cannot be found
  pool_configuration = pool_config(pool_name)
  return nil if pool_configuration.nil?

  folder = pool_configuration['folder']
  datacenter = get_target_datacenter_from_config(pool_name)
  return nil if datacenter.nil?

  propSpecs = { # rubocop:disable Naming/VariableName
    entity: self,
    inventoryPath: "#{datacenter}/vm/#{folder}/#{vmname}"
  }

  connection.searchIndex.FindByInventoryPath(propSpecs) # rubocop:disable Naming/VariableName
end

#find_vm_folder(pool_name, connection) ⇒ Object

Finds a folder object by inventory path Params:

pool_name

the pool to find the folder for

connection

the vsphere connection object

returns a ManagedObjectReference for the folder found or nil if not found



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# File 'lib/vmpooler/providers/vsphere.rb', line 831

def find_vm_folder(pool_name, connection)
  # Find a folder by its inventory path and return the object
  # Returns nil when the object found is not a folder
  pool_configuration = pool_config(pool_name)
  return nil if pool_configuration.nil?

  folder = pool_configuration['folder']
  datacenter = get_target_datacenter_from_config(pool_name)
  return nil if datacenter.nil?

  propSpecs = { # rubocop:disable Naming/VariableName
    entity: self,
    inventoryPath: "#{datacenter}/vm/#{folder}"
  }

  folder_object = connection.searchIndex.FindByInventoryPath(propSpecs) # rubocop:disable Naming/VariableName
  return nil unless folder_object.instance_of? RbVmomi::VIM::Folder

  folder_object
end

#folder_configured?(folder_title, base_folder, configured_folders, allowlist) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vmpooler/providers/vsphere.rb', line 59

def folder_configured?(folder_title, base_folder, configured_folders, allowlist)
  return true if allowlist&.include?(folder_title)
  return false unless configured_folders.keys.include?(folder_title)
  return false unless configured_folders[folder_title] == base_folder

  true
end

#generate_vm_hash(vm_object, pool_name) ⇒ Object

Return a hash of VM data Provides vmname, hostname, template, poolname, boottime and powerstate information



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# File 'lib/vmpooler/providers/vsphere.rb', line 594

def generate_vm_hash(vm_object, pool_name)
  pool_configuration = pool_config(pool_name)
  return nil if pool_configuration.nil?

  hostname = vm_object.summary.guest.hostName if vm_object.summary&.guest && vm_object.summary.guest.hostName
  boottime = vm_object.runtime.bootTime if vm_object.runtime&.bootTime
  powerstate = vm_object.runtime.powerState if vm_object.runtime&.powerState

  ip_maxloop = 60
  ip_loop_delay = 1
  ip_loop_count = 1
  ip = nil
  while ip.nil?
    sleep(ip_loop_delay)
    ip = vm_object.guest_ip
    unless ip_maxloop == 0
      break if ip_loop_count >= ip_maxloop

      ip_loop_count += 1
    end
  end

  {
    'name' => vm_object.name,
    'hostname' => hostname,
    'template' => pool_configuration['template'],
    'poolname' => pool_name,
    'boottime' => boottime,
    'powerstate' => powerstate,
    'ip' => ip
  }
end

#get_average_cluster_utilization(hosts) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 908

def get_average_cluster_utilization(hosts)
  utilization_counts = hosts.map { |host| host[0] }
  utilization_counts.inject(:+) / hosts.count
end

#get_base_folders(folders) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 140

def get_base_folders(folders)
  base = []
  folders.each do |_key, value|
    base << value
  end
  base.uniq
end

#get_base_vm_container_from(connection) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1052

def get_base_vm_container_from(connection)
  view_manager = connection.serviceContent.viewManager
  view_manager.CreateContainerView(
    container: connection.serviceContent.rootFolder,
    recursive: true,
    type: ['VirtualMachine']
  )
end

#get_cluster_host_utilization(cluster, model = nil) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1003

def get_cluster_host_utilization(cluster, model = nil)
  cluster_hosts = []
  cluster.host.each do |host|
    host_usage = get_host_utilization(host, model)
    cluster_hosts << host_usage if host_usage
  end
  cluster_hosts
end

#get_disk_backing(pool) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1212

def get_disk_backing(pool)
  return :moveChildMostDiskBacking if linked_clone?(pool)

  :moveAllDiskBackingsAndConsolidate
end

#get_folder_children(folder_name, connection) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 167

def get_folder_children(folder_name, connection)
  folders = []

  propSpecs = { # rubocop:disable Naming/VariableName
    entity: self,
    inventoryPath: folder_name
  }
  folder_object = connection.searchIndex.FindByInventoryPath(propSpecs) # rubocop:disable Naming/VariableName

  return folders if folder_object.nil?

  folder_object.childEntity.each do |folder|
    next unless folder.is_a? RbVmomi::VIM::Folder

    folders << { folder.name => folder }
  end

  folders
end

#get_host_cpu_arch_version(host) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 886

def get_host_cpu_arch_version(host)
  cpu_model = host.hardware.cpuPkg[0].description
  cpu_model_parts = cpu_model.split
  cpu_model_parts[4]
end

#get_host_utilization(host, model = nil, limit = 90) ⇒ Object

Returns an array containing cumulative CPU and memory utilization of a host, and its object reference Params:

model

CPU arch version to match on

limit

Hard limit for CPU or memory utilization beyond which a host is excluded for deployments

returns nil if one on these conditions is true:

the model param is defined and cannot be found
the host is in maintenance mode
the host status is not 'green'
the cpu or memory utilization is bigger than the limit param



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# File 'lib/vmpooler/providers/vsphere.rb', line 861

def get_host_utilization(host, model = nil, limit = 90)
  limit = @config[:config]['utilization_limit'] if @config[:config].key?('utilization_limit')
  return nil if model && !host_has_cpu_model?(host, model)
  return nil if host.runtime.inMaintenanceMode
  return nil unless host.overallStatus == 'green'
  return nil unless host.configIssue.empty?

  cpu_utilization = cpu_utilization_for host
  memory_utilization = memory_utilization_for host

  return nil if cpu_utilization.nil?
  return nil if cpu_utilization.to_d == 0.0.to_d
  return nil if memory_utilization.nil?
  return nil if memory_utilization.to_d == 0.0.to_d

  return nil if cpu_utilization > limit
  return nil if memory_utilization > limit

  [cpu_utilization, host]
end

#get_snapshot_list(tree, snapshotname) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1061

def get_snapshot_list(tree, snapshotname)
  snapshot = nil

  tree.each do |child|
    if child.name == snapshotname
      snapshot ||= child.snapshot
    else
      snapshot ||= get_snapshot_list(child.childSnapshotList, snapshotname)
    end
  end

  snapshot
end

#get_target_cluster_from_config(pool_name) ⇒ Object

VSphere Helper methods



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# File 'lib/vmpooler/providers/vsphere.rb', line 572

def get_target_cluster_from_config(pool_name)
  pool = pool_config(pool_name)
  return nil if pool.nil?

  return pool['clone_target'] unless pool['clone_target'].nil?
  return global_config[:config]['clone_target'] unless global_config[:config]['clone_target'].nil?

  nil
end

#get_target_datacenter_from_config(pool_name) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 582

def get_target_datacenter_from_config(pool_name)
  pool = pool_config(pool_name)
  return nil if pool.nil?

  return pool['datacenter']            unless pool['datacenter'].nil?
  return provider_config['datacenter'] unless provider_config['datacenter'].nil?

  nil
end

#get_vm(pool_name, vm_name) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 306

def get_vm(pool_name, vm_name)
  vm_hash = nil
  @connection_pool.with_metrics do |pool_object|
    connection = ensured_vsphere_connection(pool_object)
    vm_object = find_vm(pool_name, vm_name, connection)
    return vm_hash if vm_object.nil?

    vm_hash = generate_vm_hash(vm_object, pool_name)
  end
  vm_hash
end

#get_vm_details(pool_name, vm_name, connection) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1075

def get_vm_details(pool_name, vm_name, connection)
  vm_object = find_vm(pool_name, vm_name, connection)
  return nil if vm_object.nil?

  parent_host_object = vm_object.summary.runtime.host if vm_object.summary&.runtime && vm_object.summary.runtime.host
  raise('Unable to determine which host the VM is running on') if parent_host_object.nil?

  parent_host = parent_host_object.name
  architecture = get_host_cpu_arch_version(parent_host_object)
  {
    'host_name' => parent_host,
    'object' => vm_object,
    'architecture' => architecture
  }
end

#get_vm_folder_path(vm_object) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 677

def get_vm_folder_path(vm_object)
  # This gives an array starting from the root Datacenters folder all the way to the VM
  # [ [Object, String], [Object, String ] ... ]
  # It's then reversed so that it now goes from the VM to the Datacenter
  full_path = vm_object.path.reverse

  # Find the Datacenter object
  dc_index = full_path.index { |p| p[0].is_a?(RbVmomi::VIM::Datacenter) }
  return nil if dc_index.nil?
  # The Datacenter should be at least 2 otherwise there's something
  # wrong with the array passed in
  # This is the minimum:
  # [ VM (0), VM ROOT FOLDER (1), DC (2)]
  return nil if dc_index <= 1

  # Remove the VM name (Starting position of 1 in the slice)
  # Up until the Root VM Folder of DataCenter Node (dc_index - 2)
  full_path = full_path.slice(1..dc_index - 2)

  # Reverse the array back to normal and
  # then convert the array of paths into a '/' seperated string
  (full_path.reverse.map { |p| p[1] }).join('/')
end

#get_vm_ip_address(vm_name, pool_name) ⇒ Object

The inner method requires vmware tools running in the guest os



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# File 'lib/vmpooler/providers/vsphere.rb', line 396

def get_vm_ip_address(vm_name, pool_name)
  @connection_pool.with_metrics do |pool_object|
    connection = ensured_vsphere_connection(pool_object)
    vm_object = find_vm(pool_name, vm_name, connection)
    vm_hash = generate_vm_hash(vm_object, pool_name)
    return vm_hash['ip']
  end
end

#host_has_cpu_model?(host, model) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vmpooler/providers/vsphere.rb', line 882

def host_has_cpu_model?(host, model)
  get_host_cpu_arch_version(host) == model
end

#linked_clone?(pool) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vmpooler/providers/vsphere.rb', line 1218

def linked_clone?(pool)
  return if pool['create_linked_clone'] == false
  return true if pool['create_linked_clone']
  return true if @config[:config]['create_linked_clones']
end

#memory_utilization_for(host) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 900

def memory_utilization_for(host)
  memory_usage = host.summary.quickStats.overallMemoryUsage
  return nil if memory_usage.nil?

  memory_size = host.summary.hardware.memorySize / 1024 / 1024
  memory_usage.fdiv(memory_size) * 100
end

#migrate_vm(pool_name, vm_name) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1099

def migrate_vm(pool_name, vm_name)
  @connection_pool.with_metrics do |pool_object|
    begin
      connection = ensured_vsphere_connection(pool_object)
      vm_hash = get_vm_details(pool_name, vm_name, connection)
      @redis.with_metrics do |redis|
        redis.hset("vmpooler__vm__#{vm_name}", 'host', vm_hash['host_name'])
        migration_count = redis.scard('vmpooler__migration')
        migration_limit = @config[:config]['migration_limit'] if @config[:config].key?('migration_limit')
        if migration_enabled? @config
          if migration_count >= migration_limit
            logger.log('s', "[ ] [#{pool_name}] '#{vm_name}' is running on #{vm_hash['host_name']}. No migration will be evaluated since the migration_limit has been reached")
            break
          end
          run_select_hosts(pool_name, @provider_hosts)
          if vm_in_target?(pool_name, vm_hash['host_name'], vm_hash['architecture'], @provider_hosts)
            logger.log('s', "[ ] [#{pool_name}] No migration required for '#{vm_name}' running on #{vm_hash['host_name']}")
          else
            migrate_vm_to_new_host(pool_name, vm_name, vm_hash, connection)
          end
        else
          logger.log('s', "[ ] [#{pool_name}] '#{vm_name}' is running on #{vm_hash['host_name']}")
        end
      end
    rescue StandardError
      logger.log('s', "[!] [#{pool_name}] '#{vm_name}' is running on #{vm_hash['host_name']}")
      raise
    end
  end
end

#migrate_vm_and_record_timing(pool_name, vm_name, vm_hash, target_host_object, dest_host_name) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1150

def migrate_vm_and_record_timing(pool_name, vm_name, vm_hash, target_host_object, dest_host_name)
  start = Time.now
  migrate_vm_host(vm_hash['object'], target_host_object)
  finish = format('%<time>.2f', time: Time.now - start)
  metrics.timing("migrate.#{pool_name}", finish)
  metrics.increment("migrate_from.#{vm_hash['host_name']}")
  metrics.increment("migrate_to.#{dest_host_name}")
  @redis.with_metrics do |redis|
    checkout_to_migration = format('%<time>.2f', time: Time.now - Time.parse(redis.hget("vmpooler__vm__#{vm_name}", 'checkout')))
    redis.multi
    redis.hset("vmpooler__vm__#{vm_name}", 'migration_time', finish)
    redis.hset("vmpooler__vm__#{vm_name}", 'checkout_to_migration', checkout_to_migration)
    redis.exec
  end
  finish
end

#migrate_vm_host(vm_object, host) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1167

def migrate_vm_host(vm_object, host)
  relospec = RbVmomi::VIM.VirtualMachineRelocateSpec(host: host)
  vm_object.RelocateVM_Task(spec: relospec).wait_for_completion
end

#migrate_vm_to_new_host(pool_name, vm_name, vm_hash, connection) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 1130

def migrate_vm_to_new_host(pool_name, vm_name, vm_hash, connection)
  @redis.with_metrics do |redis|
    redis.sadd('vmpooler__migration', vm_name)
  end
  target_host_name = select_next_host(pool_name, @provider_hosts, vm_hash['architecture'])
  target_host_object = find_host_by_dnsname(connection, target_host_name)
  finish = migrate_vm_and_record_timing(pool_name, vm_name, vm_hash, target_host_object, target_host_name)
  @redis.with_metrics do |redis|
    redis.multi
    redis.hset("vmpooler__vm__#{vm_name}", 'host', target_host_name)
    redis.hset("vmpooler__vm__#{vm_name}", 'migrated', true)
    redis.exec
  end
  logger.log('s', "[>] [#{pool_name}] '#{vm_name}' migrated from #{vm_hash['host_name']} to #{target_host_name} in #{finish} seconds")
ensure
  @redis.with_metrics do |redis|
    redis.srem('vmpooler__migration', vm_name)
  end
end

#migration_enabled?(config) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vmpooler/providers/vsphere.rb', line 1091

def migration_enabled?(config)
  migration_limit = config[:config]['migration_limit']
  return false unless migration_limit.is_a? Integer
  return true if migration_limit > 0

  false
end

#name ⇒ Object

name of the provider class



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# File 'lib/vmpooler/providers/vsphere.rb', line 50

def name
  'vsphere'
end

#open_socket(host, domain = nil, timeout = 5, port = 22, &_block) ⇒ Object

This should supercede the open_socket method in the Pool Manager



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# File 'lib/vmpooler/providers/vsphere.rb', line 666

def open_socket(host, domain = nil, timeout = 5, port = 22, &_block)
  target_host = host
  target_host = "#{host}.#{domain}" if domain
  sock = TCPSocket.new(target_host, port, connect_timeout: timeout)
  begin
    yield sock if block_given?
  ensure
    sock.close
  end
end

#pool_folders(provider_name) ⇒ Object

Return a list of pool folders



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# File 'lib/vmpooler/providers/vsphere.rb', line 128

def pool_folders(provider_name)
  folders = {}
  $config[:pools].each do |pool|
    next unless pool['provider'] == provider_name.to_s

    folder_parts = pool['folder'].split('/')
    datacenter = get_target_datacenter_from_config(pool['name'])
    folders[folder_parts.pop] = "#{datacenter}/vm/#{folder_parts.join('/')}"
  end
  folders
end

#purge_unconfigured_resources(allowlist) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 148

def purge_unconfigured_resources(allowlist)
  configured_folders = pool_folders(name)
  base_folders = get_base_folders(configured_folders)
  @connection_pool.with_metrics do |pool_object|
    connection = ensured_vsphere_connection(pool_object)

    base_folders.each do |base_folder|
      folder_children = get_folder_children(base_folder, connection)
      next if folder_children.empty?

      folder_children.each do |folder_hash|
        folder_hash.each do |folder_title, folder_object|
          destroy_folder_and_children(folder_object) unless folder_configured?(folder_title, base_folder, configured_folders, allowlist)
        end
      end
    end
  end
end

#revert_snapshot(pool_name, vm_name, snapshot_name) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 528

def revert_snapshot(pool_name, vm_name, snapshot_name)
  @connection_pool.with_metrics do |pool_object|
    connection = ensured_vsphere_connection(pool_object)
    vm_object = find_vm(pool_name, vm_name, connection)
    raise("VM #{vm_name} in pool #{pool_name} does not exist for the provider #{name}") if vm_object.nil?

    snapshot_object = find_snapshot(vm_object, snapshot_name)
    raise("Snapshot #{snapshot_name} for VM #{vm_name} in pool #{pool_name} does not exist for the provider #{name}") if snapshot_object.nil?

    snapshot_object.RevertToSnapshot_Task.wait_for_completion
  end
  true
end

#run_select_hosts(pool_name, target) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 220

def run_select_hosts(pool_name, target)
  now = Time.now
  max_age = @config[:config]['host_selection_max_age'] || 60
  loop_delay = 5
  datacenter = get_target_datacenter_from_config(pool_name)
  cluster = get_target_cluster_from_config(pool_name)
  raise("cluster for pool #{pool_name} cannot be identified") if cluster.nil?
  raise("datacenter for pool #{pool_name} cannot be identified") if datacenter.nil?

  dc = "#{datacenter}_#{cluster}"
  unless target.key?(dc)
    select_target_hosts(target, cluster, datacenter)
    return
  end
  wait_for_host_selection(dc, target, loop_delay, max_age) if target[dc].key?('checking')
  select_target_hosts(target, cluster, datacenter) if target[dc].key?('check_time_finished') && now - target[dc]['check_time_finished'] > max_age
end

#select_least_used_hosts(hosts, percentage) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 938

def select_least_used_hosts(hosts, percentage)
  raise('Provided hosts list to select_least_used_hosts is empty') if hosts.empty?

  average_utilization = get_average_cluster_utilization(hosts)
  least_used_hosts = []
  hosts.each do |host|
    least_used_hosts << host if host[0] <= average_utilization
  end
  hosts_to_select = (hosts.count * (percentage / 100.0)).to_int
  hosts_to_select = hosts.count - 1 if percentage == 100
  least_used_hosts.sort[0..hosts_to_select].map { |host| host[1].name }
end

#select_next_host(pool_name, target, architecture = nil) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 261

def select_next_host(pool_name, target, architecture = nil)
  datacenter = get_target_datacenter_from_config(pool_name)
  cluster = get_target_cluster_from_config(pool_name)
  raise("cluster for pool #{pool_name} cannot be identified") if cluster.nil?
  raise("datacenter for pool #{pool_name} cannot be identified") if datacenter.nil?

  dc = "#{datacenter}_#{cluster}"
  @provider_hosts_lock.synchronize do
    if architecture
      raise("there is no candidate in vcenter that meets all the required conditions, that the cluster has available hosts in a 'green' status, not in maintenance mode and not overloaded CPU and memory") unless target[dc].key?('architectures')

      host = target[dc]['architectures'][architecture].shift
      target[dc]['architectures'][architecture] << host
      if target[dc]['hosts'].include?(host)
        target[dc]['hosts'].delete(host)
        target[dc]['hosts'] << host
      end
    else
      raise("there is no candidate in vcenter that meets all the required conditions, that the cluster has available hosts in a 'green' status, not in maintenance mode and not overloaded CPU and memory") unless target[dc].key?('hosts')

      host = target[dc]['hosts'].shift
      target[dc]['hosts'] << host
      target[dc]['architectures'].each do |arch|
        target[dc]['architectures'][arch] = arch.partition { |v| v != host }.flatten if arch.include?(host)
      end
    end

    return host
  end
end

#select_target_hosts(target, cluster, datacenter) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 202

def select_target_hosts(target, cluster, datacenter)
  percentage = 100
  dc = "#{datacenter}_#{cluster}"
  @provider_hosts_lock.synchronize do
    begin
      target[dc] = {} unless target.key?(dc)
      target[dc]['checking'] = true
      hosts_hash = find_least_used_hosts(cluster, datacenter, percentage)
      target[dc] = hosts_hash
    rescue StandardError
      target[dc] = {}
      raise
    ensure
      target[dc]['check_time_finished'] = Time.now
    end
  end
end

#set_network_device(datacenter_name, template_vm_network_device, network_name, connection) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 448

def set_network_device(datacenter_name, template_vm_network_device, network_name, connection)
  # Retrieve network object
  datacenter = connection.serviceInstance.find_datacenter(datacenter_name)
  new_network = datacenter.network.find { |n| n.name == network_name }

  raise("Cannot find network #{network_name} in datacenter #{datacenter_name}") unless new_network

  # Determine network device type
  # All possible device type options here: https://vdc-download.vmware.com/vmwb-repository/dcr-public/98d63b35-d822-47fe-a87a-ddefd469df06/2e3c7b58-f2bd-486e-8bb1-a75eb0640bee/doc/vim.vm.device.VirtualEthernetCard.html
  network_device =
    if template_vm_network_device.instance_of? RbVmomi::VIM::VirtualVmxnet2
      RbVmomi::VIM.VirtualVmxnet2
    elsif template_vm_network_device.instance_of? RbVmomi::VIM::VirtualVmxnet3
      RbVmomi::VIM.VirtualVmxnet3
    elsif template_vm_network_device.instance_of? RbVmomi::VIM::VirtualE1000
      RbVmomi::VIM.VirtualE1000
    elsif template_vm_network_device.instance_of? RbVmomi::VIM::VirtualE1000e
      RbVmomi::VIM.VirtualE1000e
    elsif template_vm_network_device.instance_of? RbVmomi::VIM::VirtualSriovEthernetCard
      RbVmomi::VIM.VirtualSriovEthernetCard
    else
      RbVmomi::VIM.VirtualPCNet32
    end

  # Set up new network device attributes
  network_device.key = template_vm_network_device.key
  network_device.deviceInfo = RbVmomi::VIM.Description(
    label: template_vm_network_device.deviceInfo.label,
    summary: network_name
  )
  network_device.backing = RbVmomi::VIM.VirtualEthernetCardNetworkBackingInfo(
    deviceName: network_name,
    network: new_network,
    useAutoDetect: false
  )
  network_device.addressType = 'assigned'
  network_device.connectable = RbVmomi::VIM.VirtualDeviceConnectInfo(
    allowGuestControl: true,
    startConnected: true,
    connected: true
  )
  network_device
end

#valid_template_path?(template) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vmpooler/providers/vsphere.rb', line 1204

def valid_template_path?(template)
  return false unless template.include?('/')
  return false if template[0] == '/'
  return false if template[-1] == '/'

  true
end

#vm_in_target?(pool_name, parent_host, architecture, target) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vmpooler/providers/vsphere.rb', line 292

def vm_in_target?(pool_name, parent_host, architecture, target)
  datacenter = get_target_datacenter_from_config(pool_name)
  cluster = get_target_cluster_from_config(pool_name)
  raise("cluster for pool #{pool_name} cannot be identified") if cluster.nil?
  raise("datacenter for pool #{pool_name} cannot be identified") if datacenter.nil?

  dc = "#{datacenter}_#{cluster}"
  raise("there is no candidate in vcenter that meets all the required conditions, that the cluster has available hosts in a 'green' status, not in maintenance mode and not overloaded CPU and memory") unless target[dc].key?('hosts')
  return true if target[dc]['hosts'].include?(parent_host)
  return true if target[dc]['architectures'][architecture].include?(parent_host)

  false
end

#vm_ready?(pool_name, vm_name, redis) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vmpooler/providers/vsphere.rb', line 558

def vm_ready?(pool_name, vm_name, redis)
  begin
    domain = domain(pool_name)
    open_socket(vm_name, domain)
  rescue StandardError => e
    redis.hset("vmpooler__vm__#{vm_name}", 'open_socket_error', e.to_s)
    return false
  end
  redis.hdel("vmpooler__vm__#{vm_name}", 'open_socket_error')
  true
end

#vms_in_pool(pool_name) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 187

def vms_in_pool(pool_name)
  vms = []
  @connection_pool.with_metrics do |pool_object|
    connection = ensured_vsphere_connection(pool_object)
    folder_object = find_vm_folder(pool_name, connection)

    return vms if folder_object.nil?

    folder_object.childEntity.each do |vm|
      vms << { 'name' => vm.name } if vm.is_a? RbVmomi::VIM::VirtualMachine
    end
  end
  vms
end

#vsphere_connection_ok?(connection) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/vmpooler/providers/vsphere.rb', line 637

def vsphere_connection_ok?(connection)
  _result = connection.serviceInstance.CurrentTime
  true
rescue StandardError
  false
end

#wait_for_host_selection(dc, target, maxloop = 0, loop_delay = 1, max_age = 60) ⇒ Object 



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# File 'lib/vmpooler/providers/vsphere.rb', line 238

def wait_for_host_selection(dc, target, maxloop = 0, loop_delay = 1, max_age = 60)
  loop_count = 1
  until target.key?(dc) && target[dc].key?('check_time_finished')
    sleep(loop_delay)
    unless maxloop == 0
      break if loop_count >= maxloop

      loop_count += 1
    end
  end
  return unless target[dc].key?('check_time_finished')

  loop_count = 1
  while Time.now - target[dc]['check_time_finished'] > max_age
    sleep(loop_delay)
    unless maxloop == 0
      break if loop_count >= maxloop

      loop_count += 1
    end
  end
end