Class: ManageIQ::NetworkDiscovery::VMwareEsxVcProbe

Inherits:
Object
  • Object
show all
Defined in:
lib/manageiq/network_discovery/modules/VMwareEsxVcProbe.rb

Constant Summary collapse

ESX_PORTS = 
[902, 903]
VC_PORTS = 
[
  [
    135, # VC < 5.1 or
    7444  # VC >= 5.1
  ], # and
  [
    139,  # VC < 5.1 or
    2012, # VC >= 5.1
    2013,
    2014
  ]
]

Class Method Summary collapse

Class Method Details

.probe(ost) ⇒ Object 



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# File 'lib/manageiq/network_discovery/modules/VMwareEsxVcProbe.rb', line 20

def self.probe(ost)
  if !ost.discover_types.include?(:virtualcenter) && !ost.discover_types.include?(:esx)
    $log.debug "Skipping VMwareEsxVcProbe" if $log
    return
  end

  # First check if we can access the VMware webservice before even trying the port scans.
  $log.debug "VMwareEsxVcProbe: probing ip = #{ost.ipaddr}" if $log
  begin
    require 'VMwareWebService/MiqVimClientBase'
    MiqVimClientBase.new(ost.ipaddr, "test", "test")
  rescue => err
    $log.debug "VMwareEsxVcProbe: Failed to connect to VMware webservice: #{err}. ip = #{ost.ipaddr}" if $log
    return
  end

  $log.debug "VMwareEsxVcProbe: ip = #{ost.ipaddr}, Connected to VMware webservice. Machine is either ESX or VirtualCenter." if $log

  # Next check for ESX or VC. Since VC shares some port numbers with ESX, we check VC before ESX

  # TODO: See if there is a way we can check ESX first, and without having to
  #   also check VC, since it is more likely there will be more ESX servers on
  #   a network than VC servers.

  checked_vc = false
  found_vc = false

  # Check if we have VC ports
  if ost.discover_types.include?(:virtualcenter)
    checked_vc = true

    if PortScanner.portAndOrScan?(ost, VC_PORTS)
      ost.os << :mswin
      ost.hypervisor << :virtualcenter
      found_vc = true
      $log.debug "VMwareEsxVcProbe: ip = #{ost.ipaddr}, Machine is VirtualCenter." if $log
    end
  end

  # Check if we have ESX ports open
  if !found_vc && ost.discover_types.include?(:esx) && PortScanner.portOrScan?(ost, ESX_PORTS)

    # Since VC may share ports with ESX, but it may have not already been
    # checked due to filtering, check that this is not a VC server
    if checked_vc || !PortScanner.portAndOrScan?(ost, VC_PORTS)
      ost.os << :linux
      ost.hypervisor << :esx
      $log.debug "VMwareEsxVcProbe: ip = #{ost.ipaddr}, Machine is an ESX server." if $log
    end
  end

  $log.debug "VMwareEsxVcProbe: probe of ip = #{ost.ipaddr} complete" if $log
end