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Diffstat (limited to 'tests/unit/moduleapi/testrdb.tcl')
| -rw-r--r-- | tests/unit/moduleapi/testrdb.tcl | 306 |
1 files changed, 306 insertions, 0 deletions
diff --git a/tests/unit/moduleapi/testrdb.tcl b/tests/unit/moduleapi/testrdb.tcl new file mode 100644 index 0000000..ae3036f --- /dev/null +++ b/tests/unit/moduleapi/testrdb.tcl @@ -0,0 +1,306 @@ +# This module can be configure with multiple options given as flags on module load time +# 0 - not aux fields will be declared (this is the default) +# 1 << 0 - use aux_save2 api +# 1 << 1 - call aux callback before key space +# 1 << 2 - call aux callback after key space +# 1 << 3 - do not save data on aux callback +set testmodule [file normalize tests/modules/testrdb.so] + +tags "modules" { + test {modules are able to persist types} { + start_server [list overrides [list loadmodule "$testmodule"]] { + r testrdb.set.key key1 value1 + assert_equal "value1" [r testrdb.get.key key1] + r debug reload + assert_equal "value1" [r testrdb.get.key key1] + } + } + + test {modules global are lost without aux} { + set server_path [tmpdir "server.module-testrdb"] + start_server [list overrides [list loadmodule "$testmodule" "dir" $server_path] keep_persistence true] { + r testrdb.set.before global1 + assert_equal "global1" [r testrdb.get.before] + } + start_server [list overrides [list loadmodule "$testmodule" "dir" $server_path]] { + assert_equal "" [r testrdb.get.before] + } + } + + test {aux that saves no data are not saved to the rdb when aux_save2 is used} { + set server_path [tmpdir "server.module-testrdb"] + puts $server_path + # 15 == 1111 - use aux_save2 before and after key space without data + start_server [list overrides [list loadmodule "$testmodule 15" "dir" $server_path] keep_persistence true] { + r set x 1 + r save + } + start_server [list overrides [list "dir" $server_path] keep_persistence true] { + # make sure server started successfully without the module. + assert_equal {1} [r get x] + } + } + + test {aux that saves no data are saved to the rdb when aux_save is used} { + set server_path [tmpdir "server.module-testrdb"] + puts $server_path + # 14 == 1110 - use aux_save before and after key space without data + start_server [list overrides [list loadmodule "$testmodule 14" "dir" $server_path] keep_persistence true] { + r set x 1 + r save + } + start_server [list overrides [list loadmodule "$testmodule 14" "dir" $server_path] keep_persistence true] { + # make sure server started successfully and aux_save was called twice. + assert_equal {1} [r get x] + assert_equal {2} [r testrdb.get.n_aux_load_called] + } + } + + foreach test_case {6 7} { + # 6 == 0110 - use aux_save before and after key space with data + # 7 == 0111 - use aux_save2 before and after key space with data + test {modules are able to persist globals before and after} { + set server_path [tmpdir "server.module-testrdb"] + start_server [list overrides [list loadmodule "$testmodule $test_case" "dir" $server_path "save" "900 1"] keep_persistence true] { + r testrdb.set.before global1 + r testrdb.set.after global2 + assert_equal "global1" [r testrdb.get.before] + assert_equal "global2" [r testrdb.get.after] + } + start_server [list overrides [list loadmodule "$testmodule $test_case" "dir" $server_path "save" "900 1"]] { + assert_equal "global1" [r testrdb.get.before] + assert_equal "global2" [r testrdb.get.after] + } + + } + } + + foreach test_case {4 5} { + # 4 == 0100 - use aux_save after key space with data + # 5 == 0101 - use aux_save2 after key space with data + test {modules are able to persist globals just after} { + set server_path [tmpdir "server.module-testrdb"] + start_server [list overrides [list loadmodule "$testmodule $test_case" "dir" $server_path "save" "900 1"] keep_persistence true] { + r testrdb.set.after global2 + assert_equal "global2" [r testrdb.get.after] + } + start_server [list overrides [list loadmodule "$testmodule $test_case" "dir" $server_path "save" "900 1"]] { + assert_equal "global2" [r testrdb.get.after] + } + } + } + + test {Verify module options info} { + start_server [list overrides [list loadmodule "$testmodule"]] { + assert_match "*\[handle-io-errors|handle-repl-async-load\]*" [r info modules] + } + } + + tags {repl} { + test {diskless loading short read with module} { + start_server [list overrides [list loadmodule "$testmodule"]] { + set replica [srv 0 client] + set replica_host [srv 0 host] + set replica_port [srv 0 port] + start_server [list overrides [list loadmodule "$testmodule"]] { + set master [srv 0 client] + set master_host [srv 0 host] + set master_port [srv 0 port] + + # Set master and replica to use diskless replication + $master config set repl-diskless-sync yes + $master config set rdbcompression no + $replica config set repl-diskless-load swapdb + $master config set hz 500 + $replica config set hz 500 + $master config set dynamic-hz no + $replica config set dynamic-hz no + set start [clock clicks -milliseconds] + for {set k 0} {$k < 30} {incr k} { + r testrdb.set.key key$k [string repeat A [expr {int(rand()*1000000)}]] + } + + if {$::verbose} { + set end [clock clicks -milliseconds] + set duration [expr $end - $start] + puts "filling took $duration ms (TODO: use pipeline)" + set start [clock clicks -milliseconds] + } + + # Start the replication process... + set loglines [count_log_lines -1] + $master config set repl-diskless-sync-delay 0 + $replica replicaof $master_host $master_port + + # kill the replication at various points + set attempts 100 + if {$::accurate} { set attempts 500 } + for {set i 0} {$i < $attempts} {incr i} { + # wait for the replica to start reading the rdb + # using the log file since the replica only responds to INFO once in 2mb + set res [wait_for_log_messages -1 {"*Loading DB in memory*"} $loglines 2000 1] + set loglines [lindex $res 1] + + # add some additional random sleep so that we kill the master on a different place each time + after [expr {int(rand()*50)}] + + # kill the replica connection on the master + set killed [$master client kill type replica] + + set res [wait_for_log_messages -1 {"*Internal error in RDB*" "*Finished with success*" "*Successful partial resynchronization*"} $loglines 500 10] + if {$::verbose} { puts $res } + set log_text [lindex $res 0] + set loglines [lindex $res 1] + if {![string match "*Internal error in RDB*" $log_text]} { + # force the replica to try another full sync + $master multi + $master client kill type replica + $master set asdf asdf + # fill replication backlog with new content + $master config set repl-backlog-size 16384 + for {set keyid 0} {$keyid < 10} {incr keyid} { + $master set "$keyid string_$keyid" [string repeat A 16384] + } + $master exec + } + + # wait for loading to stop (fail) + # After a loading successfully, next loop will enter `async_loading` + wait_for_condition 1000 1 { + [s -1 async_loading] eq 0 && + [s -1 loading] eq 0 + } else { + fail "Replica didn't disconnect" + } + } + if {$::verbose} { + set end [clock clicks -milliseconds] + set duration [expr $end - $start] + puts "test took $duration ms" + } + # enable fast shutdown + $master config set rdb-key-save-delay 0 + } + } + } + + # Module events for diskless load swapdb when async_loading (matching master replid) + foreach test_case {6 7} { + # 6 == 0110 - use aux_save before and after key space with data + # 7 == 0111 - use aux_save2 before and after key space with data + foreach testType {Successful Aborted} { + start_server [list overrides [list loadmodule "$testmodule $test_case"] tags [list external:skip]] { + set replica [srv 0 client] + set replica_host [srv 0 host] + set replica_port [srv 0 port] + set replica_log [srv 0 stdout] + start_server [list overrides [list loadmodule "$testmodule $test_case"]] { + set master [srv 0 client] + set master_host [srv 0 host] + set master_port [srv 0 port] + + set start [clock clicks -milliseconds] + + # Set master and replica to use diskless replication on swapdb mode + $master config set repl-diskless-sync yes + $master config set repl-diskless-sync-delay 0 + $master config set save "" + $replica config set repl-diskless-load swapdb + $replica config set save "" + + # Initial sync to have matching replids between master and replica + $replica replicaof $master_host $master_port + + # Let replica finish initial sync with master + wait_for_condition 100 100 { + [s -1 master_link_status] eq "up" + } else { + fail "Master <-> Replica didn't finish sync" + } + + # Set global values on module so we can check if module event callbacks will pick it up correctly + $master testrdb.set.before value1_master + $replica testrdb.set.before value1_replica + + # Put different data sets on the master and replica + # We need to put large keys on the master since the replica replies to info only once in 2mb + $replica debug populate 200 slave 10 + $master debug populate 1000 master 100000 + $master config set rdbcompression no + + # Force the replica to try another full sync (this time it will have matching master replid) + $master multi + $master client kill type replica + # Fill replication backlog with new content + $master config set repl-backlog-size 16384 + for {set keyid 0} {$keyid < 10} {incr keyid} { + $master set "$keyid string_$keyid" [string repeat A 16384] + } + $master exec + + switch $testType { + "Aborted" { + # Set master with a slow rdb generation, so that we can easily intercept loading + # 10ms per key, with 1000 keys is 10 seconds + $master config set rdb-key-save-delay 10000 + + test {Diskless load swapdb RedisModuleEvent_ReplAsyncLoad handling: during loading, can keep module variable same as before} { + # Wait for the replica to start reading the rdb and module for acknowledgement + # We wanna abort only after the temp db was populated by REDISMODULE_AUX_BEFORE_RDB + wait_for_condition 100 100 { + [s -1 async_loading] eq 1 && [$replica testrdb.async_loading.get.before] eq "value1_master" + } else { + fail "Module didn't receive or react to REDISMODULE_SUBEVENT_REPL_ASYNC_LOAD_STARTED" + } + + assert_equal [$replica dbsize] 200 + assert_equal value1_replica [$replica testrdb.get.before] + } + + # Make sure that next sync will not start immediately so that we can catch the replica in between syncs + $master config set repl-diskless-sync-delay 5 + + # Kill the replica connection on the master + set killed [$master client kill type replica] + + test {Diskless load swapdb RedisModuleEvent_ReplAsyncLoad handling: when loading aborted, can keep module variable same as before} { + # Wait for loading to stop (fail) and module for acknowledgement + wait_for_condition 100 100 { + [s -1 async_loading] eq 0 && [$replica testrdb.async_loading.get.before] eq "" + } else { + fail "Module didn't receive or react to REDISMODULE_SUBEVENT_REPL_ASYNC_LOAD_ABORTED" + } + + assert_equal [$replica dbsize] 200 + assert_equal value1_replica [$replica testrdb.get.before] + } + + # Speed up shutdown + $master config set rdb-key-save-delay 0 + } + "Successful" { + # Let replica finish sync with master + wait_for_condition 100 100 { + [s -1 master_link_status] eq "up" + } else { + fail "Master <-> Replica didn't finish sync" + } + + test {Diskless load swapdb RedisModuleEvent_ReplAsyncLoad handling: after db loaded, can set module variable with new value} { + assert_equal [$replica dbsize] 1010 + assert_equal value1_master [$replica testrdb.get.before] + } + } + } + + if {$::verbose} { + set end [clock clicks -milliseconds] + set duration [expr $end - $start] + puts "test took $duration ms" + } + } + } + } + } + } +} |