1 #!/usr/bin/python2.6

     2 

     3 # Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.

     4 #

     5 #    Licensed under the Apache License, Version 2.0 (the "License"); you may

     6 #    not use this file except in compliance with the License. You may obtain

     7 #    a copy of the License at

     8 #

     9 #         http://www.apache.org/licenses/LICENSE-2.0

    10 #

    11 #    Unless required by applicable law or agreed to in writing, software

    12 #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

    13 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

    14 #    License for the specific language governing permissions and limitations

    15 #    under the License.

    16 

    17 import ConfigParser

    18 import os

    19 

    20 import smf_include

    21 

    22 from subprocess import CalledProcessError, Popen, PIPE, check_call

    23 

    24 

    25 def start():

    26     """ checks cinder's conf file for the ZFSISCSIDriver.  If it's found, make

    27     sure svc:/network/iscsi/target:default is online.

    28 

    29     """

    30     parser = ConfigParser.ConfigParser()

    31     parser.read("/etc/cinder/cinder.conf")

    32     driver = parser.get("DEFAULT", "volume_driver")

    33     if driver == "cinder.volume.drivers.solaris.zfs.ZFSISCSIDriver":

    34         iscsi_svc = "svc:/network/iscsi/target:default"

    35         cmd = ["/usr/bin/svcs", "-H", "-o", "state", iscsi_svc]

    36         try:

    37             p = Popen(cmd, stdout=PIPE, stderr=PIPE)

    38             output, error = p.communicate()

    39         except CalledProcessError:

    40             print "%s not found.  Is it installed?" % iscsi_svc

    41             return smf_include.SMF_EXIT_ERR_CONFIG

    42 

    43         if output.strip() != "online":

    44             cmd = ["/usr/sbin/svcadm", "enable", "-rs", iscsi_svc]

    45             try:

    46                 check_call(cmd)

    47             except CalledProcessError as err:

    48                 print "enabling %s failed:  %s" % (iscsi_svc, err)

    49                 return smf_include.SMF_EXIT_ERR_CONFIG

    50 

    51     smf_include.smf_subprocess("/usr/bin/pfexec /usr/lib/cinder/cinder-volume")

    52 

    53 if __name__ == "__main__":

    54     os.putenv("LC_ALL", "C")

    55     smf_include.smf_main()