81 lines
2.5 KiB
Tcl
81 lines
2.5 KiB
Tcl
# Test conditions where an instance is considered to be down
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source "../tests/includes/init-tests.tcl"
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source "../../../tests/support/cli.tcl"
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set ::alive_sentinel [expr {$::instances_count/2+2}]
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proc ensure_master_up {} {
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wait_for_condition 1000 50 {
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[dict get [S $::alive_sentinel sentinel master mymaster] flags] eq "master"
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} else {
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fail "Master flags are not just 'master'"
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}
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}
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proc ensure_master_down {} {
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wait_for_condition 1000 50 {
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[string match *down* \
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[dict get [S $::alive_sentinel sentinel master mymaster] flags]]
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} else {
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fail "Master is not flagged SDOWN"
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}
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}
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test "Crash the majority of Sentinels to prevent failovers for this unit" {
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for {set id 0} {$id < $quorum} {incr id} {
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kill_instance sentinel $id
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}
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}
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test "SDOWN is triggered by non-responding but not crashed instance" {
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lassign [S $::alive_sentinel SENTINEL GET-MASTER-ADDR-BY-NAME mymaster] host port
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ensure_master_up
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exec ../../../src/redis-cli -h $host -p $port {*}[rediscli_tls_config "../../../tests"] debug sleep 10 > /dev/null &
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ensure_master_down
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ensure_master_up
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}
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test "SDOWN is triggered by crashed instance" {
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lassign [S $::alive_sentinel SENTINEL GET-MASTER-ADDR-BY-NAME mymaster] host port
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ensure_master_up
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kill_instance redis 0
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ensure_master_down
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restart_instance redis 0
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ensure_master_up
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}
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test "SDOWN is triggered by masters advertising as slaves" {
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ensure_master_up
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R 0 slaveof 127.0.0.1 34567
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ensure_master_down
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R 0 slaveof no one
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ensure_master_up
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}
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test "SDOWN is triggered by misconfigured instance replying with errors" {
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ensure_master_up
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set orig_dir [lindex [R 0 config get dir] 1]
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set orig_save [lindex [R 0 config get save] 1]
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# Set dir to / and filename to "tmp" to make sure it will fail.
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R 0 config set dir /
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R 0 config set dbfilename tmp
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R 0 config set save "1000000 1000000"
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R 0 bgsave
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ensure_master_down
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R 0 config set save $orig_save
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R 0 config set dir $orig_dir
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R 0 config set dbfilename dump.rdb
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R 0 bgsave
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ensure_master_up
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}
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# We use this test setup to also test command renaming, as a side
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# effect of the master going down if we send PONG instead of PING
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test "SDOWN is triggered if we rename PING to PONG" {
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ensure_master_up
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S $::alive_sentinel SENTINEL SET mymaster rename-command PING PONG
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ensure_master_down
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S $::alive_sentinel SENTINEL SET mymaster rename-command PING PING
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ensure_master_up
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}
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