Class: Chef::Knife::XenserverVmList

Inherits:
Chef::Knife show all
Includes:
XenserverBase
Defined in:
lib/chef/knife/xenserver_vm_list.rb

Instance Method Summary collapse

Methods included from XenserverBase

#bytes_to_megabytes, #connection, included, #locate_config_value

Instance Method Details

#gen_headings ⇒ Object 



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# File 'lib/chef/knife/xenserver_vm_list.rb', line 75

def gen_headings
  headings = %w{NAME}
  if config[:mem]
    headings << 'MEM'
  end
  if config[:power_state]
    headings << 'POWER'
  end
  if config[:tools]
    headings << 'TOOLS'
  end
  if config[:networks]
    headings << 'NETWORKS'
  end
  if config[:ips]
    headings << 'IPs'
  end
  headings
end

#gen_table ⇒ Object 



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# File 'lib/chef/knife/xenserver_vm_list.rb', line 95

def gen_table
  # row format
  # [uuid, name, [ips], [networks], mem, power, tools]
  table = []
  connection.servers.each do |vm|
    if config[:match] and vm.name !~ /#{config[:match]}/
      next
    end
    row = [vm.uuid, vm.name] 
    if vm.tools_installed?
      ips = []
      vm.guest_metrics.networks.each do |k,v|
        ips << v
      end
      row << ips
    else
      row << []
    end
    networks = []
    vm.vifs.each do |vif|
      name = vif.network.name
      if name.size > 20
        name = name[0..16] + '...'
      end
      networks << name
    end
    row << networks
    row << bytes_to_megabytes(vm.memory_static_max)
    row << vm.power_state
    row << vm.tools_installed?
    table << row
  end
  table
end

#print_csv ⇒ Object 



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# File 'lib/chef/knife/xenserver_vm_list.rb', line 153

def print_csv
  lines = []
  header = ""
  gen_table.each do |row|
    uuid, name, ips, networks, mem, power, tools = row
    elements = []
    elements << name
    elements << mem if config[:mem]
    elements << power if config[:power_state]
    elements << tools if config[:tools]
    elements << networks.join(";") if config[:networks]
    elements << ips.join(";") if config[:ips]
    if config[:uuid]
      header = "UUID,#{gen_headings.join(',')}"
      lines << "#{uuid},#{elements.join(',')}"
    else
      header = "#{gen_headings.join(',')}"
      lines << "#{elements.join(',')}"
    end
  end

  puts header
  lines.each do |l| 
    puts l
  end
end

#print_table ⇒ Object 



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# File 'lib/chef/knife/xenserver_vm_list.rb', line 130

def print_table
  vm_table = table do |t|
    t.headings = gen_headings
    gen_table.each do |row|
      # [uuid, name, [ips], [networks], mem, power, tools]
      uuid, name, ips, networks, mem, power, tools = row
      elements = []
      if config[:uuid]
        elements << "#{uuid}\n  #{ui.color('name: ', :yellow)}#{name.ljust(32)}"
      else
        elements << "#{ui.color('name: ', :yellow)}#{name.ljust(32)}"
      end
      elements << mem if config[:mem]
      elements << power if config[:power_state]
      elements << tools if config[:tools]
      elements << networks.join("\n") if config[:networks]
      elements << ips.join("\n") if config[:ips]
      t << elements
    end
  end
  puts vm_table if connection.servers.size > 0
end

#run ⇒ Object 



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# File 'lib/chef/knife/xenserver_vm_list.rb', line 180

def run
  $stdout.sync = true
  if config[:csv]
    print_csv
  else
    print_table
  end
end