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# See the file LICENSE for redistribution information.
#
# Copyright (c)-2009 Oracle. All rights reserved.
#
# TEST repmgr032
# TEST Multi-process repmgr start-up policies.
#
proc repmgr032 { } {
source ./include.tcl
set tnum "032"
puts "Repmgr$tnum: repmgr multi-process start policies."
env_cleanup $testdir
file mkdir [set dira $testdir/A]
file mkdir [set dirb $testdir/B]
file mkdir [set dirc $testdir/C]
set conf {
{rep_set_nsites 3}
{rep_set_timeout DB_REP_ELECTION_RETRY 3000000}
}
make_dbconfig $dira $conf
make_dbconfig $dirb $conf
make_dbconfig $dirc $conf
foreach {aport bport cport} [available_ports 3] {}
puts "\tRepmgr$tnum.a: Create a master and client."
set cmds {
"home $dira"
"local $aport"
"output $testdir/a1output1"
"open_env"
"start master"
}
set a [open_site_prog [subst $cmds]]
set cmds {
"home $dirb"
"local $bport"
"output $testdir/boutput1"
"remote localhost $aport"
"open_env"
"start client"
}
set b [open_site_prog [subst $cmds]]
puts "\tRepmgr$tnum.b: Wait for start-up done at client."
set benv [berkdb_env -home $dirb]
await_startup_done $benv
puts $a "open_db test.db"
puts $a "put key1 val1"
puts $a "echo done"
gets $a
#
# 1. shutting down client and restarting as client should do nothing
#
puts "\tRepmgr$tnum.c: Shut down client, restart as client."
set elections0 [stat_field $benv rep_stat "Elections held"]
set aenv [berkdb_env -home $dira]
set requests0 [stat_field $aenv rep_stat "Client service requests"]
puts $b "exit"
gets $b
error_check_good eof1 [eof $b] 1
close $b
set cmds {
"home $dirb"
"local $bport"
"output $testdir/boutput1"
"remote localhost $aport"
"open_env"
"start election"
}
set b [open_site_prog [subst $cmds]]
error_check_good already_startedup \
[stat_field $benv rep_stat "Startup complete"] 1
puts "\tRepmgr$tnum.d: Pause 20 seconds to check for start-up activity"
tclsleep 20
error_check_good no_more_requests \
[stat_field $aenv rep_stat "Client service requests"] $requests0
error_check_good no_more_requests \
[stat_field $benv rep_stat "Elections held"] $elections0
#
# 2. Start policy should be ignored if there's already a listener
# running in a separate process.
#
# start a second process at master. Even though it specifies "election"
# as its start policy, the fact that a listener is already running
# should force it to continue as master (IMHO).
puts "\tRepmgr$tnum.e: Second master process accepts existing role"
set cmds {
"home $dira"
"local $aport"
"output $testdir/a2output1"
"open_env"
"start election"
}
set a2 [open_site_prog [subst $cmds]]
# Make sure we still seem to be master, by checking stats, and by trying
# to write a new transaction.
#
error_check_good still_master \
[stat_field $aenv rep_stat "Role"] "master"
puts $a2 "open_db test.db"
puts $a2 "put key2 val2"
puts $a2 "echo done"
gets $a2
#
# 3. Specifying MASTER start policy results in rep_start(MASTER), no
# matter what happened previously.
#
puts "\tRepmgr$tnum.f: Restart master as master."
puts $a "exit"
gets $a
error_check_good eof2 [eof $a] 1
close $a
puts $a2 "exit"
gets $a2
error_check_good eof3 [eof $a2] 1
close $a2
set initial_gen [stat_field $aenv rep_stat "Generation number"]
set cmds {
"home $dira"
"local $aport"
"output $testdir/a2output2"
"remote localhost $bport"
"open_env"
"start master"
}
set a [open_site_prog [subst $cmds]]
# Since we were already master, the gen number shouldn't change.
error_check_good same_gen \
[stat_field $aenv rep_stat "Generation number"] $initial_gen
puts $a "exit"
gets $a
error_check_good eof4 [eof $a] 1
close $a
puts $b "exit"
gets $b
error_check_good eof5 [eof $b] 1
close $b
puts "\tRepmgr$tnum.g: Restart client as master."
# Note that site A is not running at this point.
set cmds {
"home $dirb"
"local $bport"
"output $testdir/boutput3"
"open_env"
"start master"
}
set b [open_site_prog [subst $cmds]]
set gen [stat_field $benv rep_stat "Generation number"]
error_check_good bumped_gen [expr $gen > $initial_gen] 1
#
# 4. Specifying CLIENT when we were MASTER causes a change
#
puts $b "exit"
gets $b
error_check_good eof6 [eof $b] 1
close $b
$benv close
exec $util_path/db_recover -h $dirb
puts "\tRepmgr$tnum.h: Restart master as client"
set initial_value [stat_field $aenv rep_stat "Elections held"]
set cmds {
"home $dira"
"local $aport"
"output $testdir/aoutput4"
"open_env"
"start election"
}
set a [open_site_prog [subst $cmds]]
puts "\tRepmgr$tnum.i: Pause for 10 seconds to wait for elections."
tclsleep 10
set elections [stat_field $aenv rep_stat "Elections held"]
error_check_good bumped_gen [expr $elections > $initial_value] 1
$aenv close
close $a
}
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