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Sentinel test: test majority crashing Sentinels.

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The test was previously performed by removing the master from the
Sentinel monitored masters. The test with the Sentinels crashed is
more similar to real-world partitions / failures.
This commit is contained in:
antirez 2014-02-25 08:29:12 +01:00
parent 630fb3539f
commit 044b627549
1 changed files with 6 additions and 8 deletions
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14
tests/sentinel-tests/00-base.tcl
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@ -42,7 +42,7 @@ test "The old master eventually gets reconfigured as a slave" {
} }
} }
test "ODOWN is not possible without enough Sentinels reports" { test "ODOWN is not possible without N (quorum) Sentinels reports" {
foreach_sentinel_id id { foreach_sentinel_id id {
S $id SENTINEL SET mymaster quorum [expr $sentinels+1] S $id SENTINEL SET mymaster quorum [expr $sentinels+1]
} }
@ -61,22 +61,20 @@ test "Failover is not possible without majority agreement" {
S $id SENTINEL SET mymaster quorum $quorum S $id SENTINEL SET mymaster quorum $quorum
} }
# Make majority of sentinels stop monitoring the master # Crash majority of sentinels
for {set id 0} {$id < $quorum} {incr id} { for {set id 0} {$id < $quorum} {incr id} {
S $id SENTINEL REMOVE mymaster kill_instance sentinel $id
} }
R $master_id debug sleep 10 R $master_id debug sleep 10
# Make sure failover did not happened. # Make sure failover did not happened.
set addr [S $quorum SENTINEL GET-MASTER-ADDR-BY-NAME mymaster] set addr [S $quorum SENTINEL GET-MASTER-ADDR-BY-NAME mymaster]
assert {[lindex $addr 1] == $old_port} assert {[lindex $addr 1] == $old_port}
# Cleanup: reconfigure the Sentinels to monitor the master. # Cleanup: restart Sentinels to monitor the master.
for {set id 0} {$id < $quorum} {incr id} { for {set id 0} {$id < $quorum} {incr id} {
S $id SENTINEL MONITOR mymaster \ restart_instance sentinel $id
[get_instance_attrib redis $master_id host] \
[get_instance_attrib redis $master_id port] $quorum
S $id SENTINEL SET mymaster down-after-milliseconds 2000
} }
} }