Current File : //usr/src/redis-stable/tests/sentinel/tests/02-slaves-reconf.tcl
# Check that slaves are reconfigured at a latter time if they are partitioned.
#
# Here we should test:
# 1) That slaves point to the new master after failover.
# 2) That partitioned slaves point to new master when they are partitioned
# away during failover and return at a latter time.
source "../tests/includes/init-tests.tcl"
proc 02_test_slaves_replication {} {
uplevel 1 {
test "Check that slaves replicate from current master" {
set master_port [RI $master_id tcp_port]
foreach_redis_id id {
if {$id == $master_id} continue
if {[instance_is_killed redis $id]} continue
wait_for_condition 1000 50 {
([RI $id master_port] == $master_port) &&
([RI $id master_link_status] eq {up})
} else {
fail "Redis slave $id is replicating from wrong master"
}
}
}
}
}
proc 02_crash_and_failover {} {
uplevel 1 {
test "Crash the master and force a failover" {
set old_port [RI $master_id tcp_port]
set addr [S 0 SENTINEL GET-MASTER-ADDR-BY-NAME mymaster]
assert {[lindex $addr 1] == $old_port}
kill_instance redis $master_id
foreach_sentinel_id id {
wait_for_condition 1000 50 {
[lindex [S $id SENTINEL GET-MASTER-ADDR-BY-NAME mymaster] 1] != $old_port
} else {
fail "At least one Sentinel did not receive failover info"
}
}
restart_instance redis $master_id
set addr [S 0 SENTINEL GET-MASTER-ADDR-BY-NAME mymaster]
set master_id [get_instance_id_by_port redis [lindex $addr 1]]
}
}
}
02_test_slaves_replication
02_crash_and_failover
02_test_slaves_replication
test "Kill a slave instance" {
foreach_redis_id id {
if {$id == $master_id} continue
set killed_slave_id $id
kill_instance redis $id
break
}
}
02_crash_and_failover
02_test_slaves_replication
test "Wait for failover to end" {
set inprogress 1
while {$inprogress} {
set inprogress 0
foreach_sentinel_id id {
if {[dict exists [S $id SENTINEL MASTER mymaster] failover-state]} {
incr inprogress
}
}
if {$inprogress} {after 100}
}
}
test "Restart killed slave and test replication of slaves again..." {
restart_instance redis $killed_slave_id
}
# Now we check if the slave rejoining the partition is reconfigured even
# if the failover finished.
02_test_slaves_replication
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