foundationdb/fdbserver/workloads/TenantEntryCacheWorkload.ac...

410 lines
15 KiB
C++

/*
* TenantEntryCacheWorkload.actor.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "fdbclient/CommitProxyInterface.h"
#include "fdbclient/DatabaseContext.h"
#include "fdbclient/DatabaseConfiguration.h"
#include "fdbclient/NativeAPI.actor.h"
#include "fdbclient/TenantManagement.actor.h"
#include "fdbclient/Knobs.h"
#include "fdbclient/TenantEntryCache.actor.h"
#include "fdbrpc/TenantName.h"
#include "fdbserver/workloads/workloads.actor.h"
#include "flow/Error.h"
#include "flow/IRandom.h"
#include "flow/actorcompiler.h" // This must be the last #include.
namespace {
TenantEntryCachePayload<int64_t> createPayload(const TenantMapEntry& entry) {
TenantEntryCachePayload<int64_t> payload;
payload.entry = entry;
payload.payload = entry.id;
return payload;
}
} // namespace
struct TenantEntryCacheWorkload : TestWorkload {
static constexpr auto NAME = "TenantEntryCache";
const TenantName tenantNamePrefix = "tenant_entry_cache_workload_"_sr;
TenantName localTenantNamePrefix;
int maxTenants;
int clientId;
TenantEntryCacheWorkload(WorkloadContext const& wcx) : TestWorkload(wcx) {
clientId = wcx.clientId;
maxTenants = std::max(3, std::min<int>(1e8 - 1, getOption(options, "maxTenants"_sr, 1000)));
localTenantNamePrefix = format("%stenant_%d_", tenantNamePrefix.toString().c_str(), clientId);
}
~TenantEntryCacheWorkload() {}
static void compareTenants(Optional<TenantEntryCachePayload<int64_t>> left, TenantMapEntry& right) {
ASSERT(left.present());
ASSERT_EQ(left.get().entry.id, right.id);
ASSERT_EQ(left.get().entry.prefix.compare(right.prefix), 0);
ASSERT_EQ(left.get().payload, right.id);
}
ACTOR static Future<Void> compareContents(std::vector<TenantMapEntry>* tenants,
Reference<TenantEntryCache<int64_t>> cache) {
state int i;
for (i = 0; i < tenants->size(); i++) {
if (deterministicRandom()->coinflip()) {
Optional<TenantEntryCachePayload<int64_t>> e = wait(cache->getById(tenants->at(i).id));
compareTenants(e, tenants->at(i));
} else {
Optional<TenantEntryCachePayload<int64_t>> e = wait(cache->getByName(tenants->at(i).tenantName));
compareTenants(e, tenants->at(i));
}
}
return Void();
}
ACTOR static Future<Void> testTenantNotFound(Database cx, TenantEntryCacheRefreshMode refreshMode) {
state Reference<TenantEntryCache<int64_t>> cache = makeReference<TenantEntryCache<int64_t>>(
cx, deterministicRandom()->randomUniqueID(), createPayload, refreshMode);
TraceEvent("TenantNotFoundStart");
wait(cache->init());
// Ensure associated counter values gets updated
ASSERT_EQ(cache->numRefreshByInit(), 1);
state TenantMapEntry dummy(std::numeric_limits<int64_t>::max(), "name"_sr, TenantState::READY);
Optional<TenantEntryCachePayload<int64_t>> value = wait(cache->getById(dummy.id));
ASSERT(!value.present());
Optional<TenantEntryCachePayload<int64_t>> value1 = wait(cache->getByPrefix(dummy.prefix));
ASSERT(!value1.present());
TraceEvent("TenantNotFoundEnd");
return Void();
}
ACTOR static Future<Void> testCreateTenantsAndLookup(Database cx,
TenantEntryCacheWorkload* self,
std::vector<TenantMapEntry>* tenantList,
TenantEntryCacheRefreshMode refreshMode) {
state Reference<TenantEntryCache<int64_t>> cache = makeReference<TenantEntryCache<int64_t>>(
cx, deterministicRandom()->randomUniqueID(), createPayload, refreshMode);
state int nTenants = deterministicRandom()->randomInt(5, self->maxTenants);
TraceEvent("CreateTenantsAndLookupStart");
wait(cache->init());
// Ensure associated counter values gets updated
ASSERT_EQ(cache->numRefreshByInit(), 1);
ASSERT_GE(cache->numCacheRefreshes(), 1);
tenantList->clear();
state int i = 0;
state std::unordered_set<TenantName> tenantNames;
while (i < nTenants) {
state TenantName name(format("%s%08d",
self->localTenantNamePrefix.toString().c_str(),
deterministicRandom()->randomInt(0, self->maxTenants)));
if (tenantNames.find(name) != tenantNames.end()) {
continue;
}
Optional<TenantMapEntry> entry = wait(TenantAPI::createTenant(cx.getReference(), name));
ASSERT(entry.present());
tenantList->emplace_back(entry.get());
tenantNames.emplace(name);
i++;
}
wait(compareContents(tenantList, cache));
TraceEvent("CreateTenantsAndLookupEnd");
return Void();
}
ACTOR static Future<Void> testTenantInsert(Database cx,
TenantEntryCacheWorkload* self,
std::vector<TenantMapEntry>* tenantList,
TenantEntryCacheRefreshMode refreshMode) {
state Reference<TenantEntryCache<int64_t>> cache = makeReference<TenantEntryCache<int64_t>>(
cx, deterministicRandom()->randomUniqueID(), createPayload, refreshMode);
ASSERT(!tenantList->empty() && tenantList->size() >= 2);
TraceEvent("TestTenantInsertStart");
wait(cache->init());
// Ensure associated counter values gets updated
ASSERT_EQ(cache->numRefreshByInit(), 1);
ASSERT_GE(cache->numCacheRefreshes(), 1);
state TenantMapEntry p = tenantList->at(0);
state Optional<TenantEntryCachePayload<int64_t>> entry;
// Tenant rename
p.tenantName =
TenantName(format("%s%08d",
self->localTenantNamePrefix.toString().c_str(),
deterministicRandom()->randomInt(self->maxTenants + 100, self->maxTenants + 200)));
cache->put(p);
Optional<TenantEntryCachePayload<int64_t>> e = wait(cache->getByName(p.tenantName));
entry = e;
compareTenants(entry, p);
// Tenant delete & recreate
p.id = p.id + deterministicRandom()->randomInt(self->maxTenants + 500, self->maxTenants + 700);
cache->put(p);
Optional<TenantEntryCachePayload<int64_t>> e1 = wait(cache->getById(p.id));
entry = e1;
compareTenants(entry, p);
ASSERT_EQ(p.tenantName.compare(entry.get().entry.tenantName), 0);
// Delete a tenant and rename an existing TenantEntry to reuse the name of deleted tenant
state TenantMapEntry p1 = tenantList->back();
tenantList->pop_back();
wait(TenantAPI::deleteTenant(cx.getReference(), p1.tenantName));
p.tenantName = p1.tenantName;
cache->put(p);
Optional<TenantEntryCachePayload<int64_t>> e2 = wait(cache->getById(p.id));
entry = e2;
compareTenants(entry, p);
ASSERT_EQ(p1.tenantName.compare(entry.get().entry.tenantName), 0);
TraceEvent("TestTenantInsertEnd");
return Void();
}
ACTOR static Future<Void> testCacheReload(Database cx,
std::vector<TenantMapEntry>* tenantList,
TenantEntryCacheRefreshMode refreshMode) {
state Reference<TenantEntryCache<int64_t>> cache = makeReference<TenantEntryCache<int64_t>>(
cx, deterministicRandom()->randomUniqueID(), createPayload, refreshMode);
ASSERT(!tenantList->empty());
TraceEvent("CacheReloadStart");
wait(cache->init());
// Ensure associated counter values gets updated
ASSERT_EQ(cache->numRefreshByInit(), 1);
ASSERT_GE(cache->numCacheRefreshes(), 1);
wait(compareContents(tenantList, cache));
TraceEvent("CacheReloadEnd");
return Void();
}
ACTOR static Future<Void> testTenantCacheDefaultFunc(Database cx) {
wait(delay(0.0));
return Void();
}
ACTOR static Future<Void> testCacheRefresh(Database cx) {
state Reference<TenantEntryCache<int64_t>> cache = makeReference<TenantEntryCache<int64_t>>(cx, createPayload);
TraceEvent("TestCacheRefreshStart");
wait(cache->init());
// Ensure associated counter values gets updated
ASSERT_EQ(cache->numRefreshByInit(), 1);
ASSERT_GE(cache->numCacheRefreshes(), 1);
// Fault injection may cause delays in cluster recovery/availability, spin a loop to let cache refresh to
// trigger with a max wait of 5 mins; timed_out error is thrown if cache refresh isn't triggered.
state int64_t startTime = now();
state int64_t waitUntill = startTime + 300; // 5 mins max wait
loop {
// InitRefresh + multiple timer based invocations (at least 2 invocations of cache->refresh())
if (cache->numCacheRefreshes() >= 2) {
break;
}
if (now() > waitUntill) {
throw timed_out();
}
TraceEvent("TestCacheRefreshWait").detail("Elapsed", now() - startTime);
wait(delay(CLIENT_KNOBS->TENANT_ENTRY_CACHE_LIST_REFRESH_INTERVAL));
}
TraceEvent("TestCacheRefreshEnd").detail("ElapsedTotal", now() - startTime);
return Void();
}
ACTOR static Future<Void> testCacheTenantsDisabled(Database cx) {
ASSERT(cx->clientInfo->get().tenantMode == TenantMode::DISABLED);
state Reference<TenantEntryCache<int64_t>> cache = makeReference<TenantEntryCache<int64_t>>(
cx, deterministicRandom()->randomUniqueID(), createPayload, TenantEntryCacheRefreshMode::NONE);
TraceEvent("TestCacheTenantDisabledStart");
wait(cache->init());
// Ensure associated counter values gets updated
ASSERT_EQ(cache->numRefreshByInit(), 1);
ASSERT_GE(cache->numCacheRefreshes(), 1);
Optional<TenantEntryCachePayload<int64_t>> entry = wait(cache->getById(12));
ASSERT(!entry.present());
ASSERT_EQ(cache->numCacheRefreshes(), 1);
TraceEvent("TestCacheTenantDisabledEnd");
return Void();
}
ACTOR static Future<Void> tenantEntryRemove(Database cx, std::vector<TenantMapEntry>* tenantList) {
state Reference<TenantEntryCache<int64_t>> cache = makeReference<TenantEntryCache<int64_t>>(
cx, deterministicRandom()->randomUniqueID(), createPayload, TenantEntryCacheRefreshMode::NONE);
wait(cache->init());
ASSERT(!tenantList->empty());
// Remove an entry from the cache
state int idx = deterministicRandom()->randomInt(0, tenantList->size());
Optional<TenantEntryCachePayload<int64_t>> entry = wait(cache->getByName(tenantList->at(idx).tenantName));
ASSERT(entry.present());
TraceEvent("TestTenantEntryRemoveStart")
.detail("Id", tenantList->at(idx).id)
.detail("Name", tenantList->at(idx).tenantName)
.detail("Prefix", tenantList->at(idx).prefix);
wait(TenantAPI::deleteTenant(cx.getReference(), tenantList->at(idx).tenantName));
if (deterministicRandom()->coinflip()) {
wait(cache->removeEntryById(tenantList->at(idx).id));
} else if (deterministicRandom()->coinflip()) {
wait(cache->removeEntryByPrefix(tenantList->at(idx).prefix));
} else {
wait(cache->removeEntryByName(tenantList->at(idx).tenantName));
}
state Optional<TenantEntryCachePayload<int64_t>> e = wait(cache->getById(tenantList->at(idx).id));
ASSERT(!e.present());
state Optional<TenantEntryCachePayload<int64_t>> e1 = wait(cache->getByPrefix(tenantList->at(idx).prefix));
ASSERT(!e1.present());
state Optional<TenantEntryCachePayload<int64_t>> e2 = wait(cache->getByName(tenantList->at(idx).tenantName));
ASSERT(!e2.present());
// Ensure remove-entry is an idempotent operation
cache->removeEntryByName(tenantList->at(idx).tenantName);
Optional<TenantEntryCachePayload<int64_t>> e3 = wait(cache->getById(tenantList->at(idx).id));
ASSERT(!e3.present());
return Void();
}
ACTOR static Future<Void> testCacheWatchRefresh(Database cx) {
state Reference<TenantEntryCache<int64_t>> cache = makeReference<TenantEntryCache<int64_t>>(
cx, deterministicRandom()->randomUniqueID(), createPayload, TenantEntryCacheRefreshMode::WATCH);
wait(cache->init(true));
// Ensure associated counter values gets updated
ASSERT_EQ(cache->numRefreshByInit(), 1);
ASSERT_GE(cache->numCacheRefreshes(), 1);
// Create tenant and make sure the cache is updated
state TenantName name = "TenantEntryCache_WatchRefresh"_sr;
state Optional<TenantMapEntry> entry = wait(TenantAPI::createTenant(cx.getReference(), name));
ASSERT(entry.present());
state int64_t startTime = now();
state int64_t waitUntill = startTime + 300; // 5 mins max wait
loop {
if (cache->numWatchRefreshes() >= 1) {
break;
}
if (now() > waitUntill) {
throw timed_out();
}
TraceEvent("TestCacheRefreshWait").detail("Elapsed", now() - startTime);
wait(delay(CLIENT_KNOBS->TENANT_ENTRY_CACHE_LIST_REFRESH_INTERVAL));
}
Optional<TenantEntryCachePayload<int64_t>> payload = wait(cache->getByName(name));
ASSERT(payload.present());
compareTenants(payload, entry.get());
return Void();
}
Future<Void> setup(Database const& cx) override {
if (clientId == 0 && g_network->isSimulated() && BUGGIFY) {
IKnobCollection::getMutableGlobalKnobCollection().setKnob("tenant_entry_cache_list_refresh_interval",
KnobValueRef::create(int{ 2 }));
}
return Void();
}
Future<Void> start(Database const& cx) override {
if (clientId == 0) {
return _start(cx, this);
}
return Void();
}
ACTOR Future<Void> _start(Database cx, TenantEntryCacheWorkload* self) {
state std::vector<TenantMapEntry> tenantList;
state TenantEntryCacheRefreshMode refreshMode;
if (deterministicRandom()->coinflip()) {
refreshMode = TenantEntryCacheRefreshMode::PERIODIC_TASK;
} else {
refreshMode = TenantEntryCacheRefreshMode::WATCH;
}
// get the tenant mode from db config
state Transaction tr = Transaction(cx);
state DatabaseConfiguration configuration;
loop {
try {
tr.setOption(FDBTransactionOptions::ACCESS_SYSTEM_KEYS);
tr.setOption(FDBTransactionOptions::PRIORITY_SYSTEM_IMMEDIATE);
tr.setOption(FDBTransactionOptions::READ_LOCK_AWARE);
RangeResult results = wait(tr.getRange(configKeys, CLIENT_KNOBS->TOO_MANY));
ASSERT(!results.more && results.size() < CLIENT_KNOBS->TOO_MANY);
configuration.fromKeyValues((VectorRef<KeyValueRef>)results);
break;
} catch (Error& e) {
wait(tr.onError(e));
}
}
if (configuration.tenantMode == TenantMode::DISABLED) {
wait(testCacheTenantsDisabled(cx));
} else {
wait(testTenantNotFound(cx, refreshMode));
wait(testCreateTenantsAndLookup(cx, self, &tenantList, refreshMode));
wait(testTenantInsert(cx, self, &tenantList, refreshMode));
wait(tenantEntryRemove(cx, &tenantList));
wait(testTenantCacheDefaultFunc(cx));
wait(testCacheRefresh(cx));
wait(testCacheWatchRefresh(cx));
}
return Void();
}
Future<bool> check(Database const& cx) override { return true; }
void getMetrics(std::vector<PerfMetric>& m) override {}
};
WorkloadFactory<TenantEntryCacheWorkload> TenantEntryCacheWorkloadFactory;