qa/808

   1 #!/bin/sh
   2 # PCP QA Test No. 808
   3 # exercise pmlogger stale pid files issues
   4 #
   5 # Copyright (c) 2015 Red Hat.  All Rights Reserved.
   6 # Copyright (c) 2015 Mark Goodwin.  All Rights Reserved.
   7 #
   8
   9 seq=`basename $0`
  10 echo "QA output created by $seq"
  11
  12 # get standard environment, filters and checks
  13 . ./common.product
  14 . ./common.filter
  15 . ./common.check
  16
  17 status=1        # failure is the default!
  18 $sudo rm -rf $tmp.* $seq.full
  19 trap "cd $here; rm -rf $tmp.*; exit \$status" 0 1 2 3 15
  20
  21 # real QA test starts here
  22
  23 pid=`$PCP_PS_PROG $PCP_PS_ALL_FLAGS | grep 'pmlogger.*-P' | \
  24 grep -v grep | awk '{print $2}'`
  25
  26 if [ ! -S "$PCP_RUN_DIR/pmlogger.$pid.socket" ]; then
  27     echo FAIL no primary pmlogger running? pid=$pid
  28     status=1
  29 else
  30     echo found primary pmlogger and found control socket in PCP_RUN_DIR
  31
  32     echo === killing the primary pmlogger with SIGKILL ===
  33     $sudo kill -9 $pid
  34
  35     echo === running pmlogger_check to restart primary logger ===
  36     $sudo $PCP_BINADM_DIR/pmlogger_check -C
  37     sleep 2
  38
  39     newpid=`$PCP_PS_PROG $PCP_PS_ALL_FLAGS | grep 'pmlogger.*-P' | \
  40         grep -v grep | awk '{print $2}'`
  41
  42     if [ -z "$newpid" ]; then
  43         echo FAIL pmlogger failed to start
  44         echo pid of killed primary logger is $pid
  45         echo === ls -l $PCP_RUN_DIR ===
  46         ls -l $PCP_RUN_DIR
  47         echo === manually removing stale run files ===
  48         $sudo rm -f $PCP_RUN_DIR/*pmlogger*
  49         status=1
  50         exit
  51     fi
  52
  53 #
  54 # Next test: check primary logger restarts with legacy hardlinks present
  55 # This is a corner case, but can happen.
  56 #
  57     pid=`$PCP_PS_PROG $PCP_PS_ALL_FLAGS | grep 'pmlogger.*-P' | \
  58     grep -v grep | awk '{print $2}'`
  59
  60     echo === checking with stale legacy hard links
  61     echo === killing the primary pmlogger with SIGKILL ===
  62     $sudo kill -9 $pid
  63
  64     # change the stale symlinks into hardlinks, to simulate an upgrade
  65     # from an earlier version of pcp (before we converted to symlinks)
  66     $sudo rm -f $PCP_TMP_DIR/pmlogger/primary
  67     $sudo ln $PCP_TMP_DIR/pmlogger/$pid $PCP_TMP_DIR/pmlogger/primary
  68     $sudo rm -f $PCP_RUN_DIR/pmlogger.primary.socket
  69     $sudo ln $PCP_RUN_DIR/pmlogger.$pid.socket $PCP_RUN_DIR/pmlogger.primary.socket
  70
  71     echo === running pmlogger_check to restart primary logger ===
  72     $sudo $PCP_BINADM_DIR/pmlogger_check -C
  73     sleep 2
  74
  75     newpid=`$PCP_PS_PROG $PCP_PS_ALL_FLAGS | grep 'pmlogger.*-P' | \
  76         grep -v grep | awk '{print $2}'`
  77
  78     if [ -z "$newpid" ]; then
  79         echo FAIL pmlogger failed to start
  80         echo pid of killed primary logger is $pid
  81         echo === ls -il $PCP_RUN_DIR ===
  82         ls -il $PCP_RUN_DIR
  83         echo === manually removing stale run files ===
  84         $sudo rm -f $PCP_RUN_DIR/*pmlogger*
  85         status=1
  86         exit
  87     fi
  88
  89     # success
  90     status=0
  91 fi
  92
  93 exit