qa/855

   1 #!/bin/sh
   2 # PCP QA Test No. 855
   3 # Exercise adding/removing the netfilter PMDA, reading values
   4 #
   5 # Copyright (c) 2015 Red Hat.  All Rights Reserved.
   6 #
   7
   8 seq=`basename $0`
   9 echo "QA output created by $seq"
  10
  11 # get standard environment, filters and checks
  12 . ./common.product
  13 . ./common.filter
  14 . ./common.check
  15
  16 [ -f $PCP_PMDAS_DIR/netfilter/pmdanetfilter.pl ] || _notrun "netfilter pmda not installed"
  17 perl -e "use PCP::PMDA" >/dev/null 2>&1
  18 [ $? -eq 0 ] || _notrun "perl PCP::PMDA module not installed"
  19
  20 status=1        # failure is the default!
  21 $sudo rm -rf $tmp $tmp.* $seq.full
  22 trap "cd $here; rm -rf $tmp.*; exit \$status" 0 1 2 3 15
  23
  24 #setup the tmp proc file system for newer config
  25 pmdanetfilter_prepare()
  26 {
  27     mkdir -p $tmp/proc/sys/net/netfilter/
  28     touch $tmp/proc/sys/net/netfilter/nf_conntrack_{max,count}
  29     $PCP_ECHO_PROG 15 > $tmp/proc/sys/net/netfilter/nf_conntrack_max
  30     $PCP_ECHO_PROG 34 > $tmp/proc/sys/net/netfilter/nf_conntrack_count
  31 }
  32
  33 pmdanetfilter_remove()
  34 {
  35     echo
  36     echo "=== remove netfilter agent ==="
  37     $sudo ./Remove >$tmp.out 2>&1
  38     _filter_pmda_remove <$tmp.out
  39     $sudo rm -rf $tmp $tmp.*
  40 }
  41
  42 pmdanetfilter_install()
  43 {
  44     # start from known starting points
  45     cd $PCP_PMDAS_DIR/netfilter
  46     $sudo ./Remove >/dev/null 2>&1
  47     $sudo $PCP_RC_DIR/pmcd stop 2>&1 | _filter_pcp_stop
  48
  49     echo
  50     echo "=== netfilter agent installation ==="
  51     $sudo ./Install <$tmp.input >$tmp.out 2>&1
  52     cat $tmp.out >>$here/$seq.full
  53     # Check netfilter metrics have appeared ... X metrics and Y values
  54     _filter_pmda_install <$tmp.out \
  55     | sed \
  56         -e '/^Waiting for pmcd/s/\.\.\.[. ]*$/DOTS/' \
  57         -e 's/[0-9][0-9]* warnings, //' \
  58     | $PCP_AWK_PROG '
  59 /Check netfilter metrics have appeared/    { if ($7 >= 0 && $7 <= 2) $7 = "X"
  60                                           if ($10 >= 0 && $10 <= 80) $10 = "Y"
  61                                         }
  62                                         { print }'
  63 }
  64 # use a temp config file to point at the fake /proc system (newer heirarchy)
  65 cat >$tmp.input <<EOF
  66 b
  67 $tmp/proc/sys/net/
  68 EOF
  69
  70 # load newer proc heirarchy
  71 pmdanetfilter_prepare
  72 _prepare_pmda netfilter
  73 trap "_cleanup_pmda netfilter; exit \$status" 0 1 2 3 15
  74
  75 # real QA test starts here
  76 pmdanetfilter_install
  77
  78 # avoid a possible race condition if the pmda is slow starting
  79 sleep 3
  80
  81 # test netfilter values
  82 pminfo -f netfilter.ip_conntrack_count
  83 pminfo -f netfilter.ip_conntrack_max
  84
  85 # re-install pmdanetfilter with old heirarchy
  86 pmdanetfilter_remove
  87
  88 # success, all done
  89 status=0
  90
  91 exit
  92 pminfo -f netfilter
  93
  94 pmdanetfilter_remove
  95 # success, all done
  96 status=0
  97
  98 exit