Class: Ceph::Crush::Location::Bucket

Inherits:
Object
  • Object
show all
Defined in:
lib/ceph/crush/location/bucket.rb

Overview

Derives a Bucket line for Crush

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Bucket

Returns a new instance of Bucket.



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# File 'lib/ceph/crush/location/bucket.rb', line 6

def initialize
  Ceph::Crush::Location::Logger.send('Bucket.initialize')
  @osd = OSD.new
end

Instance Method Details

#from_config ⇒ Object 



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# File 'lib/ceph/crush/location/bucket.rb', line 11

def from_config
  require 'shellwords'
  ceph_conf_bin = '/usr/bin/ceph-conf'
  cluster = ::Shellwords.escape @osd.cluster
  type = 'osd'
  id = ::Shellwords.escape @osd.id
  location_command = "#{ceph_conf_bin} --cluster=#{cluster} "\
                     "--name=#{type}.#{id} --lookup crush_location"
  `#{location_command}`
rescue
  ''
end

#to_s ⇒ Object 



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# File 'lib/ceph/crush/location/bucket.rb', line 24

def to_s
  Ceph::Crush::Location::Logger.send('Bucket.to_s')
  ceph_location_config = from_config
  return ceph_location_config unless ceph_location_config == ''
  [root_bucket, datacenter_bucket,
   row_bucket, rack_bucket, chassis_bucket,
   host_bucket, disk_chassis_bucket, enclosure_bucket].join('')
end