Class: Dcmgr::Drivers::Comstar

Inherits:
IscsiTarget show all
Includes:
Helpers::CliHelper, Logger
Defined in:
lib/dcmgr/drivers/comstar.rb

Instance Attribute Summary

Attributes inherited from IscsiTarget

#node

Instance Method Summary collapse

Methods included from Helpers::CliHelper

#sh, #tryagain

Methods included from Logger

create, default_logdev, included

Methods inherited from IscsiTarget

#register, select_iscsi_target

Instance Method Details

#create(ctx) ⇒ Object

ref: nkjmkzk.net/?p=2022



10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
 
# File 'lib/dcmgr/drivers/comstar.rb', line 10

def create(ctx)
  @volume = ctx.volume.dup

  # $ man itadm
  #
  # target_node_name
  # An iSCSI Initiator Node Context  is  identified  by
  # its Initiator Node Name, formatted in either IQN or EUI for-
  # mat (see RFC 3720). For example:
  #  iqn.1986-03.com.sun:01:e00000000000.47d55444
  #  eui.02004567A425678D
  #
  # [TODO]
  iqn_prefix = "iqn.2010-09.jp.wakame"
  target_node = "#{iqn_prefix}:#{@volume[:account_id]}.#{@volume[:uuid]}"

  # target
  sh("itadm create-target -n %s", [target_node])

#        # target group
#        target_group = "tg:#{@volume[:account_id]}.#{@volume[:uuid]}"
#        # target must be offline.
#        # $ stmfadm create-tg a-shpoolxx.vol-chgqqw21
#        # => stmfadm: STMF target must be offline
#        #
  sh("stmfadm offline-target %s", [target_node])
#        sh("stmfadm create-tg %s", [target_group])
#        sh("stmfadm add-tg-member -g %s %s", [target_group, target_node])
  sh("stmfadm online-target %s", [target_node])

  sh("itadm list-target -v %s", [target_node])

#        # host group
#        host_group = "hg:#{@volume[:account_id]}.#{@volume[:uuid]}"
#        sh("stmfadm create-hg %s", [host_group])
#        sh("stmfadm add-hg-member -g %s %s", [host_group, target_node])

  # zvol has already created by backing storep
  zvol_path = "/dev/zvol/rdsk/#{@volume[:storage_node][:export_path]}/#{@volume[:uuid]}"

  # logical_unit
  logical_unit = sh("sbdadm create-lu %s | /usr/gnu/bin/grep -w %s", [zvol_path, zvol_path])
  guid = logical_unit[:stdout].split(' ')[0]

  # view
#        sh("stmfadm add-view -t %s -h %s %s", [target_group, host_group, guid])
  sh("stmfadm add-view %s", [guid])
  logical_unit = sh("stmfadm list-view -l %s", [guid])
  logical_unit = logical_unit[:stdout].downcase.split("\n").select {|row| row.strip!}

#        opt = {:iqn => target_node, :lun=>logical_unit[2].split(": ").last, :guid => guid, :hg => host_group, :tg => target_group}
  opt = {:iqn => target_node, :lun=>logical_unit[2].split(": ").last, :guid => guid}
end

#delete(ctx) ⇒ Object 



64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
 
# File 'lib/dcmgr/drivers/comstar.rb', line 64

def delete(ctx)
  @volume = ctx.volume

  guid = @volume[:transport_information][:guid]
  iqn =  @volume[:transport_information][:iqn]
  target_group =  @volume[:transport_information][:tg]
  host_group   =  @volume[:transport_information][:hg]

  sh("stmfadm offline-target %s", [iqn])
  sh("itadm delete-target %s", [iqn])

  sh("stmfadm delete-lu %s", [guid])
#        sh("stmfadm delete-tg %s", [target_group])
#        sh("stmfadm delete-hg %s", [host_group])
end