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updated the killRegion simulation test to test a much larger variety of failure scenarios

This commit is contained in:
Evan Tschannen 2019-02-18 15:32:51 -08:00
parent ccaa860ffc
commit 62603d11a1
2 changed files with 40 additions and 44 deletions
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2
fdbrpc/sim2.actor.cpp
View File

@ -1440,6 +1440,7 @@ public:
KillType ktResult, ktMin = kt;
for (auto& datacenterMachine : datacenterMachines) {
if(g_random->random01() < 0.99) {
killMachine(datacenterMachine.first, kt, true, &ktResult);
if (ktResult != kt) {
TraceEvent(SevWarn, "KillDCFail")
@ -1451,6 +1452,7 @@ public:
}
ktMin = std::min<KillType>( ktResult, ktMin );
}
}
TraceEvent("KillDataCenter")
.detail("DcZones", datacenterMachines.size())

52
fdbserver/workloads/KillRegion.actor.cpp
View File

@ -23,6 +23,8 @@
#include "fdbserver/TesterInterface.h"
#include "fdbserver/WorkerInterface.h"
#include "fdbserver/workloads/workloads.h"
#include "fdbserver/RecoveryState.h"
#include "fdbserver/ServerDBInfo.h"
#include "fdbrpc/simulator.h"
#include "fdbclient/ManagementAPI.h"
@ -66,46 +68,38 @@ struct KillRegionWorkload : TestWorkload {
ACTOR static Future<Void> killRegion( KillRegionWorkload *self, Database cx ) {
ASSERT( g_network->isSimulated() );
if(g_random->random01() < 0.5) {
TraceEvent("ForceRecovery_DisableRemoteBegin");
ConfigurationResult::Type _ = wait( changeConfig( cx, g_simulator.disableRemote, true ) );
TraceEvent("ForceRecovery_WaitForPrimary");
wait( waitForPrimaryDC(cx, LiteralStringRef("0")) );
TraceEvent("ForceRecovery_DisableRemoteComplete");
ConfigurationResult::Type _ = wait( changeConfig( cx, g_simulator.originalRegions, true ) );
TraceEvent("ForceRecovery_RestoreOriginalComplete");
}
TraceEvent("ForceRecovery_Wait");
wait( delay( g_random->random01() * self->testDuration ) );
g_simulator.killDataCenter( LiteralStringRef("0"), ISimulator::RebootAndDelete, true );
g_simulator.killDataCenter( LiteralStringRef("2"), ISimulator::RebootAndDelete, true );
g_simulator.killDataCenter( LiteralStringRef("4"), ISimulator::RebootAndDelete, true );
g_simulator.killDataCenter( LiteralStringRef("0"), g_random->random01() < 0.5 ? ISimulator::KillInstantly : ISimulator::RebootAndDelete, true );
g_simulator.killDataCenter( LiteralStringRef("2"), g_random->random01() < 0.5 ? ISimulator::KillInstantly : ISimulator::RebootAndDelete, true );
g_simulator.killDataCenter( LiteralStringRef("4"), g_random->random01() < 0.5 ? ISimulator::KillInstantly : ISimulator::RebootAndDelete, true );
state bool first = true;
loop {
state Transaction tr(cx);
loop {
try {
tr.addWriteConflictRange(KeyRangeRef(LiteralStringRef(""), LiteralStringRef("\x00")));
choose {
when( wait(tr.commit()) ) {
TraceEvent("ForceRecovery_Complete");
g_simulator.killDataCenter( LiteralStringRef("1"), ISimulator::Reboot );
g_simulator.killDataCenter( LiteralStringRef("3"), ISimulator::Reboot );
g_simulator.killDataCenter( LiteralStringRef("5"), ISimulator::Reboot );
return Void();
}
when( wait(delay(first ? 30.0 : 300.0)) ) {
break;
}
}
} catch( Error &e ) {
wait( tr.onError(e) );
}
}
TraceEvent("ForceRecovery_Begin");
wait( forceRecovery(cx->cluster->getConnectionFile()) );
first = false;
TraceEvent("ForceRecovery_Attempted");
wait( forceRecovery(cx->cluster->getConnectionFile(), LiteralStringRef("1")) );
TraceEvent(SevWarnAlways, "ForceRecovery_UsableRegions");
DatabaseConfiguration conf = wait(getDatabaseConfiguration(cx));
if(conf.usableRegions>1) {
//only needed if force recovery was unnecessary and we killed the secondary
ConfigurationResult::Type _ = wait( changeConfig( cx, g_simulator.disablePrimary + " repopulate_anti_quorum=1", true ) );
while( self->dbInfo->get().recoveryState < RecoveryState::STORAGE_RECOVERED ) {
wait( self->dbInfo->onChange() );
}
ConfigurationResult::Type _ = wait( changeConfig( cx, "usable_regions=1", true ) );
}
TraceEvent("ForceRecovery_Complete");
return Void();
}
};