meta-stx/recipes-devtools/python/files/python-django-horizon/horizon-patching-restart

   1 #!/bin/bash
   2 #
   3 # Copyright (c) 2017 Wind River Systems, Inc.
   4 #
   5 # SPDX-License-Identifier: Apache-2.0
   6 #
   7
   8 #
   9 # The patching subsystem provides a patch-functions bash source file
  10 # with useful function and variable definitions.
  11 #
  12 . /etc/patching/patch-functions
  13
  14 #
  15 # We can now check to see what type of node we're on, if it's locked, etc,
  16 # and act accordingly
  17 #
  18
  19 #
  20 # Declare an overall script return code
  21 #
  22 declare -i GLOBAL_RC=$PATCH_STATUS_OK
  23
  24 #
  25 # handle restarting horizon.
  26 #
  27 if is_controller
  28 then
  29     # Horizon only runs on the controller
  30
  31     if [ ! -f $PATCH_FLAGDIR/horizon.restarted ]
  32     then
  33         # Check SM to see if Horizon is running
  34         sm-query service horizon | grep -q 'enabled-active'
  35         if [ $? -eq 0 ]
  36         then
  37             loginfo "$0: Logging out all horizon sessions"
  38
  39             # Remove sessions
  40             rm -f /var/tmp/sessionid*
  41
  42             loginfo "$0: Restarting horizon"
  43
  44             # Ask SM to restart Horizon
  45             sm-restart service horizon
  46             touch $PATCH_FLAGDIR/horizon.restarted
  47
  48             # Wait up to 30 seconds for service to recover
  49             let -i UNTIL=$SECONDS+30
  50             while [ $UNTIL -ge $SECONDS ]
  51             do
  52                 # Check to see if it's running
  53                 sm-query service horizon | grep -q 'enabled-active'
  54                 if [ $? -eq 0 ]
  55                 then
  56                     break
  57                 fi
  58
  59                 # Still not running? Let's wait 5 seconds and check again
  60                 sleep 5
  61             done
  62
  63             sm-query service horizon | grep -q 'enabled-active'
  64             if [ $? -ne 0 ]
  65             then
  66                 # Still not running! Clear the flag and mark the RC as failed
  67                 loginfo "$0: Failed to restart horizon"
  68                 rm -f $PATCH_FLAGDIR/horizon.restarted
  69                 GLOBAL_RC=$PATCH_STATUS_FAILED
  70                 sm-query service horizon
  71             fi
  72         fi
  73     fi
  74 fi
  75
  76 #
  77 # Exit the script with the overall return code
  78 #
  79 exit $GLOBAL_RC
  80