Cluster: more reliable replicas migration test.

This commit is contained in:
antirez 2015-12-10 09:10:56 +01:00
parent 4159055f83
commit b55affbc0c

View File

@ -45,3 +45,78 @@ foreach_redis_id id {
}
}
}
# Now test the migration to a master which used to be a slave, after
# a failver.
source "../tests/includes/init-tests.tcl"
# Create a cluster with 5 master and 10 slaves, so that we have 2
# slaves for each master.
test "Create a 5 nodes cluster" {
create_cluster 5 10
}
test "Cluster is up" {
assert_cluster_state ok
}
set failover_cycle 0
set new_master 2
while {$failover_cycle != 2} {
incr failover_cycle
set current_epoch [CI 1 cluster_current_epoch]
test "Wait for slave of #$new_master to sync" {
wait_for_condition 1000 50 {
[string match {*state=online*} [RI $new_master slave0]]
} else {
fail "Slave of node #$new_master is not ok"
}
}
test "Killing master node #$new_master" {
kill_instance redis $new_master
}
test "Wait for failover" {
wait_for_condition 1000 50 {
[CI 1 cluster_current_epoch] > $current_epoch
} else {
fail "No failover detected"
}
}
test "Cluster should eventually be up again" {
assert_cluster_state ok
}
test "Cluster is writable" {
cluster_write_test 1
}
test "Instance #7 or #12 is now a master" {
assert {
(![instance_is_killed redis 7] && [RI 7 role] eq {master}) ||
(![instance_is_killed redis 12] && [RI 12 role] eq {master})
}
}
if {![instance_is_killed redis 7] && [RI 7 role] eq {master}} {
set new_master 7
} else {
set new_master 12
}
}
# The remaining instance is now without slaves. Some other slave
# should migrate to it.
test "Master #$new_master should have at least one replica" {
wait_for_condition 1000 50 {
[llength [lindex [R $new_master role] 2]] >= 1
} else {
fail "Master #$new_master has no replicas"
}
}