Class: PruneCloudfilesDbBackups::Pruner

Inherits:
Object
  • Object
show all
Defined in:
lib/prune_cloudfiles_db_backups/pruner.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Pruner

Returns a new instance of Pruner.



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# File 'lib/prune_cloudfiles_db_backups/pruner.rb', line 9

def initialize(opts = {})
  cf = OpenStack::Connection.create(username: opts[:user],
                                  api_key: opts[:key],
                                  auth_url: 'https://identity.api.rackspacecloud.com/v1.0',
                                  service_type:'object-store')
  @container = cf.container(opts[:container])

  @objects = @container.objects
  count = @container.count.to_i
  while @objects.size < count do
    @objects.concat(@container.objects(marker: @objects.last))
  end

  calc = RetentionCalculator.new(@objects,
                                 opts[:daily],
                                 opts[:weekly],
                                 opts[:monthly]
  )
  @list_to_delete = calc.list_to_delete
  @list_to_keep = calc.list_to_keep
end

Instance Attribute Details

#list_to_delete ⇒ Object (readonly)

Returns the value of attribute list_to_delete.



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# File 'lib/prune_cloudfiles_db_backups/pruner.rb', line 7

def list_to_delete
  @list_to_delete
end

#list_to_keep ⇒ Object (readonly)

Returns the value of attribute list_to_keep.



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# File 'lib/prune_cloudfiles_db_backups/pruner.rb', line 7

def list_to_keep
  @list_to_keep
end

Instance Method Details

#date_sorted_delete_list ⇒ Object 



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# File 'lib/prune_cloudfiles_db_backups/pruner.rb', line 50

def date_sorted_delete_list
  @list_to_delete.sort_by {|a| a.datetime}
end

#date_sorted_keep_list ⇒ Object 



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# File 'lib/prune_cloudfiles_db_backups/pruner.rb', line 46

def date_sorted_keep_list
  @list_to_keep.sort_by {|a| a.datetime}
end

#delete!(&block) ⇒ Object 



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# File 'lib/prune_cloudfiles_db_backups/pruner.rb', line 31

def delete!(&block)
  @list_to_delete.map do |backup|
    if block
      block.call(backup)
    end
    backup.objects.map do |object|
      begin
        @container.delete_object(object)
      rescue OpenStack::Exception::ItemNotFound
        # ignored
      end
    end
  end
end