Class: Chef::Knife::BaseVsphereCommand

Inherits:
Bootstrap
  • Object
show all
Defined in:
lib/chef/knife/helpers/base_vsphere_command.rb

Overview

Main knife vsphere that more or less everything in this gem is built off of

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.common_options ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 34

def self.common_options
  option :vsphere_user,
    short: "-u USERNAME",
    long: "--vsuser USERNAME",
    description: "The username for vsphere"

  option :vsphere_pass,
    short: "-p PASSWORD",
    long: "--vspass PASSWORD",
    description: "The password for vsphere"

  option :vsphere_host,
    long: "--vshost HOST",
    description: "The vsphere host"

  option :vsphere_dc,
    short: "-D DATACENTER",
    long: "--vsdc DATACENTER",
    description: "The Datacenter for vsphere"

  option :vsphere_path,
    long: "--vspath SOAP_PATH",
    description: "The vsphere SOAP endpoint path",
    default: "/sdk"

  option :vsphere_port,
    long: "--vsport PORT",
    description: "The VI SDK port number to use",
    default: "443"

  option :vsphere_nossl,
    long: "--vsnossl",
    description: "Disable SSL connectivity"

  option :vsphere_insecure,
    long: "--vsinsecure",
    description: "Disable SSL certificate verification"

  option :folder,
    short: "-f FOLDER",
    long: "--folder FOLDER",
    description: "The folder to get VMs from",
    default: ""

  option :proxy_host,
    long: "--proxyhost PROXY_HOSTNAME",
    description: "Proxy hostname"

  option :proxy_port,
    long: "--proxyport PROXY_PORT",
    description: "Proxy port"
end

Instance Method Details

#choose_datastore(dstores, size) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 249

def choose_datastore(dstores, size)
  vmdk_size_b = size.to_i * 1024 * 1024 * 1024

  candidates = []
  dstores.each do |store|
    avail = number_to_human_size(store.summary[:freeSpace])
    cap = number_to_human_size(store.summary[:capacity])
    puts "#{ui.color("Datastore", :cyan)}: #{store.name} (#{avail}(#{store.summary[:freeSpace]}) / #{cap})"

    # vm's can span multiple datastores, so instead of grabbing the first one
    # let's find the first datastore with the available space on a LUN the vm
    # is already using, or use a specified LUN (if given)

    next unless (store.summary[:freeSpace] - vmdk_size_b) > 0

    # also let's not use more than 90% of total space to save room for snapshots.
    cap_remains = 100 * ((store.summary[:freeSpace].to_f - vmdk_size_b.to_f) / store.summary[:capacity].to_f)
    candidates.push(store) if cap_remains.to_i > 10
  end
  if candidates.length > 0
    vmdk_datastore = candidates[0]
  else
    puts "Insufficient space on all LUNs designated or assigned to the virtual machine. Please specify a new target."
    vmdk_datastore = nil
  end
  vmdk_datastore
end

#conn_opts ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 106

def conn_opts
  {
    host: get_config(:vsphere_host),
    path: get_config(:vsphere_path),
    port: get_config(:vsphere_port),
    use_ssl: !get_config(:vsphere_nossl),
    user: get_config(:vsphere_user),
    password: password,
    insecure: get_config(:vsphere_insecure),
    proxyHost: get_config(:proxy_host),
    proxyPort: get_config(:proxy_port),
  }
end

#datacenter ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 174

def datacenter
  dcname = get_config(:vsphere_dc)
  traverse_folders_for_dc(vim_connection.rootFolder, dcname) || abort("datacenter not found")
end

#fatal_exit(msg) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 365

def fatal_exit(msg)
  ui.fatal(msg)
  exit 1
end

#find_all_in_folder(folder, type) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 334

def find_all_in_folder(folder, type)
  if folder.instance_of?(RbVmomi::VIM::ClusterComputeResource) || folder.instance_of?(RbVmomi::VIM::ComputeResource)
    folder = folder.resourcePool
  end
  if folder.instance_of?(RbVmomi::VIM::ResourcePool)
    folder.resourcePool.grep(type)
  elsif folder.instance_of?(RbVmomi::VIM::Folder)
    folder.childEntity.grep(type)
  else
    puts "Unknown type #{folder.class}, not enumerating"
    nil
  end
end

#find_datastore(dsName) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 288

def find_datastore(dsName)
  dc = datacenter
  base_entity = dc.datastore
  base_entity.find { |f| f.info.name == dsName } || abort("no such datastore #{dsName}")
end

#find_datastorecluster(dsName, folder = nil) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 294

def find_datastorecluster(dsName, folder = nil)
  unless folder
    dc = datacenter
    folder = dc.datastoreFolder
  end
  folder.childEntity.each do |child|
    if child.class.to_s == "Folder"
      ds = find_datastorecluster(dsName, child)
      return ds if ds
    elsif child.class.to_s == "StoragePod" && child.name == dsName
      return child
    end
  end
  nil
end

#find_datastores_regex(regex) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 277

def find_datastores_regex(regex)
  stores = []
  puts "Looking for all datastores that match /#{regex}/"
  dc = datacenter
  base_entity = dc.datastore
  base_entity.each do |ds|
    stores.push ds if ds.name =~ /#{regex}/
  end
  stores
end

#find_device(vm, deviceName) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 327

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

#find_folder(folderName) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 179

def find_folder(folderName)
  dc = datacenter
  base_entity = dc.vmFolder
  entity_array = folderName.split("/")
  entity_array.each do |entityArrItem|
    if entityArrItem != ""
      base_entity = base_entity.childEntity.grep(RbVmomi::VIM::Folder).find { |f| f.name == entityArrItem } ||
        abort("no such folder #{folderName} while looking for #{entityArrItem}")
    end
  end
  base_entity
end

#find_in_folder(folder, type, name) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 361

def find_in_folder(folder, type, name)
  folder.childEntity.grep(type).find { |o| o.name == name }
end

#find_network(networkName, dvswitch = nil) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 192

def find_network(networkName, dvswitch = nil)
  dc = datacenter
  base_entity = dc.network

  networks = base_entity.select { |f| f.name == networkName }
  abort("no such network #{networkName}") if networks.empty?

  if dvswitch && dvswitch != "auto"
    return networks.find do |f|
      next unless f.respond_to?(:config)

      sw = f.config.distributedVirtualSwitch
      sw.uuid == dvswitch || sw.name == dvswitch
    end
  end

  networks.first
end

#find_pool(poolName) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 224

def find_pool(poolName)
  dc = datacenter
  base_entity = dc.hostFolder
  entity_array = poolName.split("/")
  entity_array.each do |entityArrItem|
    next if entityArrItem == ""

    if base_entity.is_a? RbVmomi::VIM::Folder
      base_entity = base_entity.childEntity.find { |f| f.name == entityArrItem } ||
        abort("no such pool #{poolName} while looking for #{entityArrItem}")
    elsif base_entity.is_a?(RbVmomi::VIM::ClusterComputeResource) || base_entity.is_a?(RbVmomi::VIM::ComputeResource)
      base_entity = base_entity.resourcePool.resourcePool.find { |f| f.name == entityArrItem } ||
        abort("no such pool #{poolName} while looking for #{entityArrItem}")
    elsif base_entity.is_a? RbVmomi::VIM::ResourcePool
      base_entity = base_entity.resourcePool.find { |f| f.name == entityArrItem } ||
        abort("no such pool #{poolName} while looking for #{entityArrItem}")
    else
      abort "Unexpected Object type encountered #{base_entity.type} while finding resourcePool"
    end
  end

  base_entity = base_entity.resourcePool if !base_entity.is_a?(RbVmomi::VIM::ResourcePool) && base_entity.respond_to?(:resourcePool)
  base_entity
end

#find_pool_folder(folderName) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 211

def find_pool_folder(folderName)
  dc = datacenter
  base_entity = dc.hostFolder
  entity_array = folderName.split("/")
  entity_array.each do |entityArrItem|
    if entityArrItem != ""
      base_entity = base_entity.childEntity.grep(RbVmomi::VIM::ManagedObject).find { |f| f.name == entityArrItem } ||
        abort("no such folder #{folderName} while looking for #{entityArrItem}")
    end
  end
  base_entity
end

#find_pools_and_clusters(folder, poolname = nil) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 167

def find_pools_and_clusters(folder, poolname = nil)
  pools = traverse_folders_for_pools(folder)
  clusters = traverse_folders_for_computeresources(folder)
  cluster_pool = clusters + pools
  poolname.nil? ? cluster_pool : cluster_pool.select { |p| p.name == poolname }
end

#get_config(key) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 87

def get_config(key)
  key = key.to_sym
  rval = config[key].nil? ? Chef::Config[:knife][key] : config[key]
  Chef::Log.debug("value for config item #{key}: #{rval}")
  rval
end

#get_password_from_stdin ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 124

def get_password_from_stdin
  @password ||= ui.ask("Enter your password: ") { |q| q.echo(false) }
end

#get_path_to_object(object) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 348

def get_path_to_object(object)
  if object.is_a?(RbVmomi::VIM:: ManagedEntity)
    if object.parent.is_a?(RbVmomi::VIM:: ManagedEntity)
      get_path_to_object(object.parent) + "/" + object.parent.name
    else
      ""
    end
  else
    puts "Unknown type #{object.class}, not enumerating"
    nil
  end
end

#linux?(config) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 408

def linux?(config)
  gid = config.guestId.downcase
  # This makes the assumption that if it isn't mac or windows it's linux
  # See https://www.vmware.com/support/developer/vc-sdk/visdk25pubs/ReferenceGuide/vim.vm.GuestOsDescriptor.GuestOsIdentifier.html for values
  is_linux_bool = !gid.include?("windows") && !gid.include?("darwin")
  Chef::Log.debug("Identified os as linux.") if is_linux_bool
  is_linux_bool
end

#number_to_human_size(number) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 310

def number_to_human_size(number)
  number = number.to_f
  storage_units_fmt = %w{byte kB MB GB TB}
  base = 1024
  if number.to_i < base
    unit = storage_units_fmt[0]
  else
    max_exp = storage_units_fmt.size - 1
    exponent = (Math.log(number) / Math.log(base)).to_i # Convert to base
    exponent = max_exp if exponent > max_exp # we need this to avoid overflow for the highest unit
    number /= base**exponent
    unit = storage_units_fmt[exponent]
  end

  format("%0.2f %s", number, unit)
end

#password ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 94

def password
  if !get_config(:vsphere_pass)
    # Password is not in the config file - grab it
    # from the command line
    get_password_from_stdin
  elsif get_config(:vsphere_pass).start_with?("base64:")
    Base64.decode64(get_config(:vsphere_pass)[7..-1]).chomp
  else
    get_config(:vsphere_pass)
  end
end

#tcp_test_port(hostname, port) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 379

def tcp_test_port(hostname, port)
  tcp_socket = TCPSocket.new(hostname, port)
  readable = IO.select([tcp_socket], nil, nil, 5)
  if readable
    Chef::Log.debug("sshd accepting connections on #{hostname}, banner is #{tcp_socket.gets}") if port == 22
    true
  else
    false
  end
rescue Errno::ETIMEDOUT
  false
rescue Errno::EPERM
  false
rescue Errno::ECONNREFUSED
  sleep 2
  false
rescue Errno::EHOSTUNREACH, Errno::ENETUNREACH
  sleep 2
  false
ensure
  tcp_socket && tcp_socket.close
end

#tcp_test_port_vm(vm, port) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 370

def tcp_test_port_vm(vm, port)
  ip = vm.guest.ipAddress
  if ip.nil?
    sleep 2
    return false
  end
  tcp_test_port(ip, port)
end

#traverse_folders_for_computeresources(folder) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 141

def traverse_folders_for_computeresources(folder)
  retval = []
  children = folder.children.find_all
  children.each do |child|
    if child.class == RbVmomi::VIM::ComputeResource || child.class == RbVmomi::VIM::ClusterComputeResource
      retval << child
    elsif child.class == RbVmomi::VIM::Folder
      retval.concat(traverse_folders_for_computeresources(child))
    end
  end
  retval
end

#traverse_folders_for_dc(folder, dcname) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 154

def traverse_folders_for_dc(folder, dcname)
  children = folder.children.find_all
  children.each do |child|
    if child.class == RbVmomi::VIM::Datacenter && child.name == dcname
      return child
    elsif child.class == RbVmomi::VIM::Folder
      dc = traverse_folders_for_dc(child, dcname)
      return dc if dc
    end
  end
  false
end

#traverse_folders_for_pools(folder) ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 128

def traverse_folders_for_pools(folder)
  retval = []
  children = folder.children.find_all
  children.each do |child|
    if child.class == RbVmomi::VIM::ResourcePool
      retval << child
    elsif child.class == RbVmomi::VIM::Folder
      retval.concat(traverse_folders_for_pools(child))
    end
  end
  retval
end

#vim_connection ⇒ Object 



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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 120

def vim_connection
  config[:vim] ||= RbVmomi::VIM.connect conn_opts
end

#windows?(config) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/chef/knife/helpers/base_vsphere_command.rb', line 402

def windows?(config)
  is_win_bool = config.guestId.downcase.include?("windows")
  Chef::Log.debug("Identified os as windows.") if is_win_bool
  is_win_bool
end