Merge "Add LIO configuration for iSCSI initiators"

bin/cinder-rtstool

@@ -33,7 +33,7 @@ class RtstoolImportError(RtstoolError):
     pass
 
 
-def create(backing_device, name, userid, password):
+def create(backing_device, name, userid, password, initiator_iqns=None):
     try:
         rtsroot = rtslib.root.RTSRoot()
     except rtslib.utils.RTSLibError:
@@ -78,10 +78,19 @@ def create(backing_device, name, userid, password):
     acl_new.chap_userid = userid
     acl_new.chap_password = password
 
-    tpg_new.enable = 1
-
     m = rtslib.MappedLUN(acl_new, lun_new.lun, lun_new.lun)
 
+    if initiator_iqns:
+        initiator_iqns = initiator_iqns.strip(' ')
+        for i in initiator_iqns.split(','):
+            acl_new = rtslib.NodeACL(tpg_new, i, mode='create')
+            acl_new.chap_userid = userid
+            acl_new.chap_password = password
+
+            m = rtslib.MappedLUN(acl_new, lun_new.lun, lun_new.lun)
+
+    tpg_new.enable = 1
+
     try:
         rtslib.NetworkPortal(tpg_new, '0.0.0.0', 3260, mode='any')
     except rtslib.utils.RTSLibError:
@@ -127,7 +136,9 @@ def verify_rtslib():
 
 def usage():
     print "Usage:"
-    print sys.argv[0], "create [device] [name] [userid] [password]"
+    print sys.argv[0], \
+        "create [device] [name] [userid] [password]", \
+        "<initiator_iqn,iqn2,iqn3,...>"
     print sys.argv[0], "get-targets"
     print sys.argv[0], "delete [iqn]"
     print sys.argv[0], "verify"
@@ -145,12 +156,19 @@ def main(argv=None):
         if len(argv) < 6:
             usage()
 
+        if len(argv) > 7:
+            usage()
+
         backing_device = argv[2]
         name = argv[3]
         userid = argv[4]
         password = argv[5]
+        initiator_iqns = None
 
-        create(backing_device, name, userid, password)
+        if len(argv) > 6:
+            initiator_iqns = argv[6]
+
+        create(backing_device, name, userid, password, initiator_iqns)
 
     elif argv[1] == 'get-targets':
         get_targets()

cinder/volume/iscsi.py

@@ -40,7 +40,15 @@ iscsi_helper_opt = [cfg.StrOpt('iscsi_helper',
                                     'directory'),
                     cfg.StrOpt('iet_conf',
                                default='/etc/iet/ietd.conf',
-                               help='IET configuration file'), ]
+                               help='IET configuration file'),
+                    cfg.StrOpt('lio_initiator_iqns',
+                               default='',
+                               help=('Comma-separatd list of initiator IQNs '
+                                     'allowed to connect to the '
+                                     'iSCSI target. (From Nova compute nodes.)'
+                                     )
+                               )
+                    ]
 
 FLAGS = flags.FLAGS
 FLAGS.register_opts(iscsi_helper_opt)
@@ -353,14 +361,20 @@ class LioAdm(TargetAdmin):
         if chap_auth != None:
             (chap_auth_userid, chap_auth_password) = chap_auth.split(' ')[1:]
 
+        extra_args = []
+        if FLAGS.lio_initiator_iqns:
+            extra_args.append(FLAGS.lio_initiator_iqns)
+
         try:
-            self._execute('cinder-rtstool',
-                          'create',
-                          path,
-                          name,
-                          chap_auth_userid,
-                          chap_auth_password,
-                          run_as_root=True)
+            command_args = ['cinder-rtstool',
+                            'create',
+                            path,
+                            name,
+                            chap_auth_userid,
+                            chap_auth_password]
+            if extra_args != []:
+                command_args += extra_args
+            self._execute(*command_args, run_as_root=True)
         except exception.ProcessExecutionError as e:
                 LOG.error(_("Failed to create iscsi target for volume "
                             "id:%(vol_id)s.") % locals())

etc/cinder/cinder.conf.sample

@@ -1130,6 +1130,10 @@
 # IET configuration file (string value)
 #iet_conf=/etc/iet/ietd.conf
 
+# Comma-separatd list of initiator IQNs allowed to connect to
+# the iSCSI target. (From Nova compute nodes.) (string value)
+#lio_initiator_iqns=
+
 
 #
 # Options defined in cinder.volume.manager