qa/835

   1 #!/bin/sh
   2 # PCP QA Test No. 835
   3 # Exercise the memcache PMDA - install, remove and values.
   4 #
   5 # Copyright (c) 2014-2015 Red Hat.
   6 # Copyright (c) 2014 Ken McDonell.  All Rights Reserved.
   7 # Copyright (c) 2008 Aconex.  All Rights Reserved. (based on qa/348)
   8 #
   9
  10 seq=`basename $0`
  11 echo "QA output created by $seq"
  12
  13 # get standard environment, filters and checks
  14 . ./common.product
  15 . ./common.filter
  16 . ./common.check
  17
  18 [ -d $PCP_PMDAS_DIR/memcache ] || _notrun "memcache PMDA directory is not installed"
  19
  20 port=11211
  21 $PCP_BINADM_DIR/telnet-probe -c localhost $port || \
  22     _notrun "Noones home on the default memcached port $port"
  23
  24 status=1        # failure is the default!
  25 $sudo rm -rf $tmp.* $seq.full
  26
  27 pmdamemcache_remove()
  28 {
  29     echo
  30     echo "=== remove memcache agent ==="
  31     $sudo ./Remove >$tmp.out 2>&1
  32     _filter_pmda_remove <$tmp.out
  33 }
  34
  35 pmdamemcache_install()
  36 {
  37     # start from known starting points
  38     cd $PCP_PMDAS_DIR/memcache
  39     $sudo ./Remove >/dev/null 2>&1
  40     $sudo $PCP_RC_DIR/pmcd stop
  41
  42     cat <<EOF >$tmp.config
  43 \$memcache_delay = 1;
  44 @memcache_instances = ( 0 => '127.0.0.1:11211' );
  45 EOF
  46     echo "pmdamemcache config:" >> $here/$seq.full
  47     cat $tmp.config >> $here/$seq.full
  48
  49     [ -f $PCP_PMDAS_DIR/memcache/memcache.conf ] && \
  50     $sudo cp $PCP_PMDAS_DIR/memcache/memcache.conf $tmp.backup
  51     $sudo cp $tmp.config $PCP_PMDAS_DIR/memcache/memcache.conf
  52
  53     echo
  54     echo "=== memcache agent installation ==="
  55     $sudo ./Install </dev/null >$tmp.out 2>&1
  56     # Check metrics have appeared ... X metrics and Y values
  57     _filter_pmda_install <$tmp.out \
  58     | sed \
  59         -e '/^Waiting for pmcd/s/\.\.\.[. ]*$/DOTS/' \
  60     | $PCP_AWK_PROG '
  61 /Check memcache metrics have appeared/  { if ($7 >= 16 && $7 <= 50) $7 = "X"
  62                                           if ($10 >= 16 && $10 <= 50) $10 = "Y"
  63                                         }
  64                                         { print }'
  65 }
  66
  67 pmdamemcache_cleanup()
  68 {
  69     if [ -f $tmp.backup ]; then
  70         $sudo cp $tmp.backup $PCP_PMDAS_DIR/memcache/memcache.conf
  71         $sudo rm $tmp.backup
  72     else
  73         $sudo rm -f $PCP_PMDAS_DIR/memcache/memcache.conf
  74     fi
  75     _cleanup_pmda memcache
  76 }
  77
  78 _prepare_pmda memcache
  79 trap "pmdamemcache_cleanup; exit \$status" 0 1 2 3 15
  80
  81 # make pmprobe output comparable to memcachestats
  82 rewrite_memcache_metric_names()
  83 {
  84     sed \
  85         -e 's/^memcache.//g' \
  86         -e 's/^gets /cmd_get /g' \
  87         -e 's/^sets /cmd_set /g' \
  88         -e 's/^hits /get_hits /g' \
  89         -e 's/^misses /get_misses /g' \
  90         -e 's/^current_items/curr_items/g' \
  91         -e 's/^current_connections/curr_connections/g' \
  92     #end#
  93 }
  94
  95 # real QA test starts here
  96 pmdamemcache_install
  97
  98 echo
  99 echo "=== extract metric values ==="
 100 pmprobe -v memcache \
 101 | rewrite_memcache_metric_names \
 102 | LC_COLLATE=POSIX sort >$tmp.probe
 103 echo "from pmprobe ..." >>$here/$seq.full
 104
 105 $here/src/memcachestats.pl \
 106 | sed -e 's/ / 1 /' \
 107 | LC_COLLATE=POSIX sort >$tmp.values
 108 echo "from src/memcachestats.pl ..." >>$here/$seq.full
 109
 110 cat $tmp.values >>$here/$seq.full
 111 LC_COLLATE=POSIX join $tmp.probe $tmp.values >$tmp.all
 112 echo >>$here/$seq.full
 113 cat $tmp.all >>$here/$seq.full
 114
 115 echo
 116 echo "=== check values ==="
 117 cat $tmp.all \
 118 | while read metric n1 vpcp n2 vmemcache
 119 do
 120     if [ "$n1" = 1 -a "$n2" = 1 ]
 121     then
 122         case $metric
 123         in
 124             bytes_read|bytes_written)
 125                 # unstable, skip these ones
 126                 ;;
 127             curr_connections|connection_structures)
 128                 # +/- 2
 129                 _within_tolerance $metric $vpcp $vmemcache 2 -v
 130                 ;;
 131             total_connections)
 132                 # +/- 5
 133                 _within_tolerance $metric $vpcp $vmemcache 5 -v
 134                 ;;
 135             *)
 136                 # +/- 10%
 137                 _within_tolerance $metric $vpcp $vmemcache 10% -v
 138                 ;;
 139         esac
 140     else
 141         echo "$metric: number of values not 1 as expected: pcp $n1 / memcache $n2"
 142     fi
 143 done | tee -a $here/$seq.full
 144
 145 pmdamemcache_remove
 146 status=0
 147 exit