Class: VcenterLibMongodb::Updater

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/vcenter_lib_mongodb/updater.rb

Overview

update vms data from source to destination

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logging

included, #logger, #logger=

Constructor Details

#initialize(source, destination) ⇒ Updater

Returns a new instance of Updater.



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# File 'lib/vcenter_lib_mongodb/updater.rb', line 11

def initialize(source, destination)
  @source = source
  @destination = destination
end

Instance Attribute Details

#destination ⇒ Object (readonly)

Returns the value of attribute destination.



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# File 'lib/vcenter_lib_mongodb/updater.rb', line 9

def destination
  @destination
end

#source ⇒ Object (readonly)

Returns the value of attribute source.



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# File 'lib/vcenter_lib_mongodb/updater.rb', line 8

def source
  @source
end

Instance Method Details

#update ⇒ Object

update by deleting missing vms and get a complete map of vms with facts and update or insert facts for each one

for example: 1633 vms in 60.70 seconds



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# File 'lib/vcenter_lib_mongodb/updater.rb', line 20

def update
  logger.info "update started (full update)"
  tsb = Time.now
  complete = source.facts
  source_vms = complete.keys
  destination_vms = destination.all_vms
  delete_missing(destination_vms, source_vms)
  errors = false

  complete.each do |vm, facts|
    begin
      destination.vm_update(vm, facts)
    rescue
      errors = true
      logger.error $!
      pp facts
    end
  end
  tse = Time.now
  logger.info "update updated #{source_vms.size} vms in #{tse - tsb}"
  if errors
    logger.error "we don't update metadata information due to update errors"
  else
    destination.meta_fact_update("update", tsb, tse)
  end
end