Module: VolMgrPlatformSupportLinux

Defined in:
lib/VolumeManager/VolMgrPlatformSupportLinux.rb

Instance Method Summary collapse

Instance Method Details

#init ⇒ Object 



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# File 'lib/VolumeManager/VolMgrPlatformSupportLinux.rb', line 5

def init
  $log.debug "VolMgrPlatformSupportLinux.init: #{@cfgFile}"
  @ems = nil
  @snMor = nil
  @vi = nil
  @vimVm = nil

  unless @ost.force
    $log.info "VolMgrPlatformSupportLinux.init: force flag = false"
    return
  end

  if @ost.miqVimVm
    $log.debug "VolMgrPlatformSupportLinux.init: Have miqVimVm"
    @vimVm = @ost.miqVimVm
    return
  end

  $log.debug "VolMgrPlatformSupportLinux.init: miqVimVm not set - should be a non VMware VM"
end

#postMount ⇒ Object 



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# File 'lib/VolumeManager/VolMgrPlatformSupportLinux.rb', line 47

def postMount
  log_prefix = "VolMgrPlatformSupportLinux.postMount"
  $log.debug "#{log_prefix} Enter: force = #{@ost.force}, @vimVm.nil? = #{@vimVm.nil?}"
  return unless @ost.force
  return unless @vimVm

  if @ost.force
    if !@snMor
      $log.warn "#{log_prefix}: VM not snapped: #{@cfgFile}"
    else
      $log.debug "#{log_prefix}: removing snapshot snMor = \"#{@snMor}\""
      begin
        @vimVm.removeSnapshot(@snMor, "false", true, @ost.snapshot_remove_free_space)
        $log.info "#{log_prefix}: VM snapshot [#{@snMor}] removed"
      rescue => err
        $log.warn "#{log_prefix}: failed to remove snapshot for VM: #{@cfgFile}"
        $log.warn "#{log_prefix}: #{err}"
      end
    end
  end

  #
  # If we opened the vimVm (it wasn't passed into us)
  # then release it.
  #
  @vimVm.release unless @ost.miqVimVm
  @vimVm = nil

  @vi.disconnect if @vi
  @vi = nil
  @snMor = nil
end

#preMount ⇒ Object 



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# File 'lib/VolumeManager/VolMgrPlatformSupportLinux.rb', line 26

def preMount
  $log.debug "VolMgrPlatformSupportLinux.preMount Enter: force = #{@ost.force}"
  return unless @ost.force

  if @snMor
    $log.error "VolMgrPlatformSupportLinux.preMount - #{@cfgFile} is already mounted"
    return
  end

  unless @vimVm
    $log.warn "VolMgrPlatformSupportLinux.preMount: cannot snapshot VM not registered to this host: #{@cfgFile}"
    return
  end

  desc = @ost.snapshotDescription ? @ost.snapshotDescription : "EVM Snapshot"
  st = Time.now
  @snMor = @vimVm.createEvmSnapshot(desc, "false", true, @ost.snapshot_create_free_space)
  $log.info "VolMgrPlatformSupportLinux.preMount: VM snapshot [#{@snMor}] created in [#{Time.now - st}] seconds"
  $log.debug "VolMgrPlatformSupportLinux.preMount: snMor = \"#{@snMor}\""
end