tests/regression/tools/health/test_tp_fail

   1 #!/bin/bash
   2 #
   3 # Copyright (C) - 2012 Christian Babeux <christian.babeux@efficios.com>
   4 #
   5 # This program is free software; you can redistribute it and/or modify it
   6 # under the terms of the GNU General Public License, version 2 only, as
   7 # published by the Free Software Foundation.
   8 #
   9 # This program is distributed in the hope that it will be useful, but WITHOUT
  10 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12 # more details.
  13 #
  14 # You should have received a copy of the GNU General Public License along with
  15 # this program; if not, write to the Free Software Foundation, Inc., 51
  16 # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  17
  18 TEST_DESC="Health check - Testpoint failure"
  19
  20 CURDIR=$(dirname $0)/
  21 TESTDIR=$CURDIR/../../..
  22 LTTNG_BIN="lttng"
  23 SESSION_NAME="health_tp_fail"
  24 EVENT_NAME="bogus"
  25 HEALTH_CHECK_BIN="health_check"
  26 SESSIOND_PRELOAD=".libs/libhealthtpfail.so"
  27 NUM_TESTS=9
  28
  29 source $TESTDIR/utils/utils.sh
  30
  31 if [ ! -f "$CURDIR/$SESSIOND_PRELOAD" ]; then
  32         BAIL_OUT "libhealthtpfail.so not available for this test."
  33 fi
  34
  35 function test_tp_fail
  36 {
  37         test_tp_fail_name="$1"
  38         test_tp_error_string="$2"
  39
  40         diag "Test health failure with ${test_tp_fail_name}"
  41
  42         # Activate testpoints
  43         export LTTNG_TESTPOINT_ENABLE=1
  44
  45         # Activate specific testpoint failure
  46         export ${test_tp_fail_name}_TP_FAIL=1
  47
  48         # Spawn sessiond with preload healthexit lib
  49         export LD_PRELOAD="$CURDIR/$SESSIOND_PRELOAD"
  50         start_lttng_sessiond
  51
  52         # Cleanup some env. var.
  53         unset LD_PRELOAD
  54         unset ${test_tp_fail_name}_TP_FAIL
  55
  56         # Check health status
  57         $CURDIR/$HEALTH_CHECK_BIN > ${STDOUT_PATH} 2> ${STDERR_PATH}
  58
  59         out=$(grep "${test_tp_error_string}" ${STDOUT_PATH} | wc -l)
  60         if [ $out -eq 0 ]; then
  61                 fail "Validate thread ${test_tp_fail_name} failure"
  62                 diag "Health returned:"
  63
  64                 diag "stdout:"
  65                 file=${STDOUT_PATH}
  66                 while read line ; do
  67                     diag "$line"
  68                 done < ${file}
  69
  70                 diag "stderr:"
  71                 file=${STDERR_PATH}
  72                 while read line ; do
  73                     diag "$line"
  74                 done < ${file}
  75
  76                 stop_lttng_sessiond
  77                 return 1
  78         else
  79                 pass "Validate thread ${test_tp_fail_name} failure"
  80                 stop_lttng_sessiond
  81         fi
  82 }
  83
  84 plan_tests $NUM_TESTS
  85
  86 print_test_banner "$TEST_DESC"
  87
  88 THREAD=("LTTNG_THREAD_MANAGE_CLIENTS"
  89         "LTTNG_THREAD_MANAGE_APPS")
  90
  91 ERROR_STRING=(
  92         "Thread \"Session daemon command\" is not responding in component \"sessiond\"."
  93         "Thread \"Session daemon application manager\" is not responding in component \"sessiond\"."
  94 )
  95
  96 STDOUT_PATH=$(mktemp)
  97 STDERR_PATH=$(mktemp)
  98
  99 THREAD_COUNT=${#THREAD[@]}
 100 i=0
 101 while [ "$i" -lt "$THREAD_COUNT" ]; do
 102         test_tp_fail "${THREAD[$i]}" "${ERROR_STRING[$i]}"
 103
 104         if [ $? -eq 1 ]; then
 105                 exit 1
 106         fi
 107
 108         let "i++"
 109 done
 110
 111 # The manage kernel thread is only spawned if we are root
 112 if [ "$(id -u)" == "0" ]; then
 113         isroot=1
 114 else
 115         isroot=0
 116 fi
 117
 118 skip $isroot "Root access is needed. Skipping LTTNG_THREAD_MANAGE_KERNEL tests." "3" ||
 119 {
 120         test_tp_fail "LTTNG_THREAD_MANAGE_KERNEL" "Thread \"Session daemon kernel\" is not responding in component \"sessiond\"."
 121 }
 122
 123 rm -f ${STDOUT_PATH}
 124 rm -f ${STDERR_PATH}
 125
 126 # TODO: Special case manage consumer, need to spawn consumer via commands.
 127 #"LTTNG_THREAD_MANAGE_CONSUMER"