ctdb/tests/simple/04_ctdb_setvar.sh

   1 #!/bin/bash
   2
   3 test_info()
   4 {
   5     cat <<EOF
   6 Verify that 'ctdb setvar' works correctly.
   7
   8 Doesn't strictly follow the procedure outlines below, since it doesn't
   9 pick a variable from the output of 'ctdb listvars'.  However, it
  10 verifies the value with 'ctdb getvar' in addition to 'ctdb listvars'.
  11
  12 Prerequisites:
  13
  14 * An active CTDB cluster with at least 2 active nodes.
  15
  16 Steps:
  17
  18 1. Verify that the status on all of the ctdb nodes is 'OK'.
  19 2. Get a list of all the ctdb tunable variables, using the 'ctdb
  20    listvars' command.
  21 3. Set the value of one of the variables using the 'setvar' control on
  22    one of the nodes.  E.g. 'ctdb setvar DeterministicIPs 0'.
  23 4. Verify that the 'listvars' control now shows the new value for the
  24    variable.
  25
  26 Expected results:
  27
  28 * After setting a value using 'ctdb setvar', 'ctdb listvars' shows the
  29   modified value of the variable.
  30 EOF
  31 }
  32
  33 . "${TEST_SCRIPTS_DIR}/integration.bash"
  34
  35 ctdb_test_init "$@"
  36
  37 set -e
  38
  39 cluster_is_healthy
  40
  41 # Reset configuration
  42 ctdb_restart_when_done
  43
  44 var="RecoverTimeout"
  45
  46 try_command_on_node -v 0 $CTDB getvar $var
  47
  48 val="${out#*= }"
  49
  50 echo "Going to try incrementing it..."
  51
  52 incr=$(($val + 1))
  53
  54 try_command_on_node 0 $CTDB setvar $var $incr
  55
  56 echo "That seemed to work, let's check the value..."
  57
  58 try_command_on_node -v 0 $CTDB getvar $var
  59
  60 newval="${out#*= }"
  61
  62 if [ "$incr" != "$newval" ] ; then
  63     echo "Nope, that didn't work..."
  64     exit 1
  65 fi
  66
  67 echo "Look's good!  Now verifying with \"ctdb listvars\""
  68 try_command_on_node -v 0 "$CTDB listvars | grep '^$var'"
  69
  70 check="${out#*= }"
  71
  72 if [ "$incr" != "$check" ] ; then
  73     echo "Nope, that didn't work..."
  74     exit 1
  75 fi
  76
  77 echo "Look's good!  Putting the old value back..."
  78 cmd="$CTDB setvar $var $val"
  79 try_command_on_node 0 $cmd