qa/1055

   1 #! /bin/sh
   2 # PCP QA Test No. 1055
   3 # Check PMCD state change notification, aka PMCD_ADD_AGENT
   4 #
   5 # Copyright (c) 2016 Red Hat, Inc.
   6 #
   7
   8 seq=`basename $0`
   9 echo "QA output created by $seq"
  10
  11 # get standard filters
  12 . ./common.product
  13 . ./common.filter
  14 . ./common.check
  15
  16 signal=$PCP_BINADM_DIR/pmsignal
  17 status=1
  18 done_clean=false
  19 LOCALHOST=`hostname`
  20
  21 _cleanup()
  22 {
  23     if $done_clean
  24     then
  25         :
  26     else
  27         echo "Restore pmcd.conf and restart PMCD ..."
  28         if [ -f $tmp.pmcd.conf ]
  29         then
  30             $sudo cp $tmp.pmcd.conf $PCP_PMCDCONF_PATH
  31             rm -f $tmp.pmcd.conf
  32         fi
  33         _restore_primary_logger
  34         $sudo $PCP_RC_DIR/pcp restart | _filter_pcp_start
  35         rm -f $tmp.*
  36         _wait_for_pmcd
  37         _wait_for_pmlogger
  38         done_clean=true
  39     fi
  40     exit $status
  41 }
  42
  43 $sudo rm -rf $tmp.* $seq.full
  44 trap "_cleanup" 0 1 2 3 15
  45
  46 # real QA test starts here
  47 PMDA_PMCD_PATH=$PCP_PMDAS_DIR/pmcd/pmda_pmcd.$DSO_SUFFIX
  48
  49 # copy the pmcd config file to restore state later.
  50 cp $PCP_PMCDCONF_PATH $tmp.pmcd.conf
  51
  52 # start from a known starting point
  53 $sudo $PCP_RC_DIR/pcp stop >/dev/null 2>&1
  54
  55 cat <<End-of-File >$tmp.tmp
  56 # temporary for qa/$seq
  57 pmcd    2       dso     pmcd_init       $PMDA_PMCD_PATH
  58 sample  29      pipe    binary          $PCP_PMDAS_DIR/sample/pmdasample -d 29
  59 simple  253     pipe    binary          /var/lib/pcp/pmdas/simple/pmdasimple -d 253
  60 End-of-File
  61 $sudo cp $tmp.tmp $PCP_PMCDCONF_PATH
  62
  63 _writable_primary_logger
  64 $sudo $PCP_RC_DIR/pcp restart | _filter_pcp_start
  65 _wait_for_pmcd
  66 if [ -d $PCP_LOG_DIR/pmlogger ]
  67 then
  68     LOGGING_DIR=$PCP_LOG_DIR/pmlogger
  69 else
  70     LOGGING_DIR=$PCP_LOG_DIR
  71 fi
  72 _wait_for_pmlogger -P $LOGGING_DIR/$LOCALHOST/pmlogger.log
  73
  74 # Reset pmlogger
  75 echo "log sample.dynamic.meta.metric"
  76 # Log the sample pmda's sample.dynamic.meta.metric
  77 echo 'connect primary
  78 log mandatory on 500 msec { sample.dynamic.meta.metric }' \
  79     | pmlc
  80
  81 # log a few samples
  82 sleep 2
  83
  84 echo "archive contents before pmda simple restart..."
  85 echo "expect no <mark> record"
  86 echo "---------------------------------------------------------------"
  87 pmafm $LOGGING_DIR/$LOCALHOST/Latest pmdumplog >$tmp.out 2>&1
  88 egrep '(<mark>)|(sample.dynamic.meta.metric)' $tmp.out \
  89 | _filter_pmdumplog \
  90 | uniq
  91 echo "---------------------------------------------------------------"
  92
  93 # Get the type of sample.dynamic.meta.metric by fetching
  94 # sample.dynamic.meta.pmdesc.type using pminfo.
  95 echo "pminfo -f sample.dynamic.meta.pmdesc.type" | tee -a $seq.full
  96 type=`pminfo -f sample.dynamic.meta.pmdesc.type | tee -a $seq.full \
  97     | awk '/value/ { print $2 }'`
  98
  99 # Change the type of sample.dynamic.meta.metric by using pmstore to store into
 100 # sample.dynamic.meta.pmdesc.type
 101 echo "changing type from $type to $((type + 1))"
 102 pmstore sample.dynamic.meta.pmdesc.type $((type + 1))
 103
 104 # Restart the simple pmda by killing it and the getting pmcd to restart it (HUP).
 105 # pmlogger should receive PMCD_ADD_AGENT, which should cause it to re-check
 106 # all of it's configured metrics. It should then flag the change to
 107 # sample.dynamic.meta.pmdesc.type and exit.
 108 echo "restart the simple pmda"
 109 $sudo $signal -a -s TERM pmdasimple
 110 sleep 1 # let the signal arrive and let pmdasimple exit
 111 $sudo $signal -a -s HUP pmcd   # ensure pmcd restarts the PMDA
 112 sleep 1 # let the signal arrive and pmcd think about it
 113
 114 echo "archive contents after pmda simple restart..."
 115 echo "expect no <mark> record"
 116 echo "---------------------------------------------------------------"
 117 pmafm $LOGGING_DIR/$LOCALHOST/Latest pmdumplog >$tmp.out 2>&1
 118 egrep '(<mark>)|(sample.dynamic.meta.metric)' $tmp.out \
 119 | _filter_pmdumplog \
 120 | uniq
 121 echo "---------------------------------------------------------------"
 122
 123 # pmlogger should have stopped. Check for the messages indicating that
 124 # the re-check of the configured metrics failed and that it stopped.
 125 echo >>$seq.full
 126 echo "pmlogger log ..." >>$seq.full
 127 cat $LOGGING_DIR/$LOCALHOST/pmlogger.log | tee -a $seq.full | \
 128 grep \
 129  -e 'Type of metric "sample.dynamic.meta.metric" has changed from 32 to U32' \
 130  -e 'One or more configured metrics have changed after pmcd state change. Exiting'
 131
 132 status=0
 133 exit