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Diffstat (limited to 'tests/cluster/tests/07-replica-migration.tcl')
-rw-r--r-- | tests/cluster/tests/07-replica-migration.tcl | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/tests/cluster/tests/07-replica-migration.tcl b/tests/cluster/tests/07-replica-migration.tcl new file mode 100644 index 000000000..c4e998571 --- /dev/null +++ b/tests/cluster/tests/07-replica-migration.tcl @@ -0,0 +1,103 @@ +# Replica migration test. +# Check that orphaned masters are joined by replicas of masters having +# multiple replicas attached, according to the migration barrier settings. + +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 +} + +test "Each master should have two replicas attached" { + foreach_redis_id id { + if {$id < 5} { + wait_for_condition 1000 50 { + [llength [lindex [R $id role] 2]] == 2 + } else { + fail "Master #$id does not have 2 slaves as expected" + } + } + } +} + +test "Killing all the slaves of master #0 and #1" { + kill_instance redis 5 + kill_instance redis 10 + kill_instance redis 6 + kill_instance redis 11 + after 4000 +} + +foreach_redis_id id { + if {$id < 5} { + test "Master #$id should have at least one replica" { + wait_for_condition 1000 50 { + [llength [lindex [R $id role] 2]] >= 1 + } else { + fail "Master #$id has no replicas" + } + } + } +} + +# 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 +} + +test "Kill slave #7 of master #2. Only slave left is #12 now" { + kill_instance redis 7 +} + +set current_epoch [CI 1 cluster_current_epoch] + +test "Killing master node #2, #12 should failover" { + kill_instance redis 2 +} + +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 12 is now a master without slaves" { + assert {[RI 12 role] eq {master}} +} + +# The remaining instance is now without slaves. Some other slave +# should migrate to it. + +test "Master #12 should get at least one migrated replica" { + wait_for_condition 1000 50 { + [llength [lindex [R 12 role] 2]] >= 1 + } else { + fail "Master #12 has no replicas" + } +} |