Module: VMPlatformMountLinux

Defined in:
lib/metadata/VMMount/VMPlatformMountLinux.rb

Constant Summary collapse

VCBNAME = 
'/usr/sbin/vcbVmName'
VCBSNAPSHOT = 
'/usr/sbin/vcbSnapshot'

Instance Method Summary collapse

Instance Method Details

#init ⇒ Object 



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# File 'lib/metadata/VMMount/VMPlatformMountLinux.rb', line 7

def init
  $log.debug "Initializing VMPlatformMountLinux: #{@dInfo.fileName}" if $log
  @ems = nil
  @snapSsId = nil

  unless @ost.force
    $log.debug "Initializing VMPlatformMountLinux: force flag = false" if $log
    return
  end

  return unless $miqHostCfg
  return unless $miqHostCfg.emsLocal
  return unless File.exist? VCBNAME
  return unless File.exist? VCBSNAPSHOT
  return unless File.extname(@dInfo.fileName) == ".vmdk"

  $log.debug "VMPlatformMountLinux::init: emsLocal = #{$miqHostCfg.emsLocal}" if $log
  @ems = $miqHostCfg.ems[$miqHostCfg.emsLocal]
  #
  # TODO: This won't always yield the VM name.
  #       While it works most of the time, we need to find a better way to do this.
  #
  @vmName  = File.basename(File.dirname(@dInfo.fileName))
  $log.debug "VMPlatformMountLinux::init: vmName = \"" # {@vmName}\"" if $log
  #
  # TODO: passing the user name and password on the command line is BAD.
  #       Change this to use web-services.
  #
  @cs = ManageIQ::Password::Key.new
  cmd = "#{VCBNAME} -h #{@ems['host']} -u #{@ems['user']} -p #{@cs.decrypt64(@ems['password'])} -s \"Name:#{@vmName}\" | grep \"moref:\""
  #
  # XXX Don't forget to remove this. We're logging the username and password, not good.
  #
  $log.debug "VMPlatformMountLinux::init: cmd = #{cmd}" if $log
  @vmMoref = `#{cmd}`.chomp
  $log.debug "VMPlatformMountLinux::init: vmMoref = \"#{@vmMoref}\"" if $log
end

#postMount ⇒ Object 



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# File 'lib/metadata/VMMount/VMPlatformMountLinux.rb', line 61

def postMount
  return unless @ost.force
  #
  # TODO: Ensure the snapshot gets removed in the event something happens between the preMount and postMount.
  #
  return unless @snapSsId
  cmd = "#{VCBSNAPSHOT} -h #{@ems['host']} -u #{@ems['user']} -p #{@cs.decrypt64(@ems['password'])} -d \"#{@vmMoref}\" \"#{@snapSsId}\""
  #
  # XXX Don't forget to remove this. We're logging the username and password, not good.
  #
  $log.debug "VMPlatformMountLinux::postMount: cmd = #{cmd}" if $log
  result = `#{cmd}`.chomp
  $log.debug "VMPlatformMountLinux::postMount: result = #{result}" if $log
end

#preMount ⇒ Object 



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# File 'lib/metadata/VMMount/VMPlatformMountLinux.rb', line 45

def preMount
  return unless @ost.force
  return unless @ems
  cmd = "#{VCBSNAPSHOT} -h #{@ems['host']} -u #{@ems['user']} -p #{@cs.decrypt64(@ems['password'])} -c \"#{@vmMoref}\" \"miq#{@vmName}snap\" | grep \"SsId:\""
  #
  # XXX Don't forget to remove this. We're logging the username and password, not good.
  #
  $log.debug "VMPlatformMountLinux::preMount: cmd = #{cmd}" if $log
  @snapSsId = `#{cmd}`.chomp
  $log.debug "VMPlatformMountLinux::preMount: snapSsId = \"#{@snapSsId}\"" if $log
  # The VMMount code selects the disk file before the snapshot is taken.
  # The file it selects should be the parent of the snapshot, so we should be OK.
  # This may not be the case fot other types of VMs.
  # @dInfo.baseOnly = true
end