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Sentinel test: ODOWN and agreement.

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antirez 2014-02-19 09:44:38 +01:00
parent 136537dcb0
commit 2a08c7e5ac
1 changed files with 69 additions and 0 deletions
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69
tests/sentinel-tests/00-base.tcl
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@ -92,3 +92,72 @@ test "The old master eventually gets reconfigured as a slave" {
fail "Old master not reconfigured as slave of new master" fail "Old master not reconfigured as slave of new master"
} }
} }
test "ODOWN is not possible without enough Sentinels reports" {
foreach_sentinel_id id {
S $id SENTINEL SET mymaster quorum [expr $sentinels+1]
}
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}
R $master_id debug sleep 5
# Make sure failover did not happened.
set addr [S 0 SENTINEL GET-MASTER-ADDR-BY-NAME mymaster]
assert {[lindex $addr 1] == $old_port}
}
test "Failover is not possible without majority agreement" {
foreach_sentinel_id id {
S $id SENTINEL SET mymaster quorum $quorum
}
# Make majority of sentinels stop monitoring the master
for {set id 0} {$id < $quorum} {incr id} {
S $id SENTINEL REMOVE mymaster
}
R $master_id debug sleep 5
# Make sure failover did not happened.
set addr [S $quorum SENTINEL GET-MASTER-ADDR-BY-NAME mymaster]
assert {[lindex $addr 1] == $old_port}
# Cleanup: reconfigure the Sentinels to monitor the master.
for {set id 0} {$id < $quorum} {incr id} {
S $id SENTINEL MONITOR mymaster \
[get_instance_attrib redis $master_id host] \
[get_instance_attrib redis $master_id port] $quorum
}
}
test "Failover works if we configure for absolute agreement" {
foreach_sentinel_id id {
S $id SENTINEL SET mymaster quorum $sentinels
}
# Wait for Sentinels to monitor the master again
foreach_sentinel_id id {
wait_for_condition 1000 50 {
[dict get [S $id SENTINEL MASTER mymaster] info-refresh] < 100000
} else {
fail "At least one Sentinel is not monitoring the master"
}
}
R $master_id debug sleep 5
foreach_sentinel_id id {
wait_for_condition 100 50 {
[lindex [S $id SENTINEL GET-MASTER-ADDR-BY-NAME mymaster] 1] != $old_port
} else {
fail "At least one Sentinel did not received failover info"
}
}
set addr [S 0 SENTINEL GET-MASTER-ADDR-BY-NAME mymaster]
set master_id [get_instance_id_by_port redis [lindex $addr 1]]
# Set the min ODOWN agreement back to strict majority.
foreach_sentinel_id id {
S $id SENTINEL SET mymaster quorum $quorum
}
}