foundationdb/fdbserver/workloads/TenantEntryCacheWorkload.actor.cpp
2022-09-22 11:34:06 -07:00

312 lines
11 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/DatabaseContext.h"
#include "fdbclient/NativeAPI.actor.h"
#include "fdbclient/TenantManagement.actor.h"
#include "fdbclient/Knobs.h"
#include "fdbclient/TenantEntryCache.actor.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 TenantName& name, const TenantMapEntry& entry) {
TenantEntryCachePayload<int64_t> payload;
payload.name = name;
payload.entry = entry;
payload.payload = entry.id;
return payload;
}
} // namespace
struct TenantEntryCacheWorkload : TestWorkload {
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<std::pair<TenantName, 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).second.id));
compareTenants(e, tenants->at(i).second);
} else {
Optional<TenantEntryCachePayload<int64_t>> e = wait(cache->getByName(tenants->at(i).first));
compareTenants(e, tenants->at(i).second);
}
}
return Void();
}
ACTOR static Future<Void> testTenantNotFound(Database cx) {
state Reference<TenantEntryCache<int64_t>> cache = makeReference<TenantEntryCache<int64_t>>(cx, createPayload);
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(), TenantState::READY, true /* encrypted */);
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());
// Ensure associated counter values gets updated
ASSERT_EQ(cache->numRefreshByMisses(), 2);
TraceEvent("TenantNotFoundEnd");
return Void();
}
ACTOR static Future<Void> testCreateTenantsAndLookup(
Database cx,
TenantEntryCacheWorkload* self,
std::vector<std::pair<TenantName, TenantMapEntry>>* tenantList) {
state Reference<TenantEntryCache<int64_t>> cache = makeReference<TenantEntryCache<int64_t>>(cx, createPayload);
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(), StringRef(name)));
ASSERT(entry.present());
tenantList->emplace_back(std::make_pair(name, 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<std::pair<TenantName, TenantMapEntry>>* tenantList) {
state Reference<TenantEntryCache<int64_t>> cache = makeReference<TenantEntryCache<int64_t>>(cx, createPayload);
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 std::pair<TenantName, TenantMapEntry> p = tenantList->at(0);
state Optional<TenantEntryCachePayload<int64_t>> entry;
// Tenant rename
p.first = 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.first));
entry = e;
compareTenants(entry, p.second);
// Tenant delete & recreate
p.second.id = p.second.id + deterministicRandom()->randomInt(self->maxTenants + 500, self->maxTenants + 700);
cache->put(p);
Optional<TenantEntryCachePayload<int64_t>> e1 = wait(cache->getById(p.second.id));
entry = e1;
compareTenants(entry, p.second);
ASSERT_EQ(p.first.contents().toString().compare(entry.get().name.contents().toString()), 0);
// Delete a tenant and rename an existing TenantEntry to reuse the name of deleted tenant
state std::pair<TenantName, TenantMapEntry> p1 = tenantList->back();
tenantList->pop_back();
wait(TenantAPI::deleteTenant(cx.getReference(), p1.first));
cache->put(std::make_pair(p1.first, p.second));
Optional<TenantEntryCachePayload<int64_t>> e2 = wait(cache->getById(p.second.id));
entry = e2;
compareTenants(entry, p.second);
ASSERT_EQ(p1.first.contents().toString().compare(entry.get().name.contents().toString()), 0);
TraceEvent("TestTenantInsertEnd");
return Void();
}
ACTOR static Future<Void> testCacheReload(Database cx,
std::vector<std::pair<TenantName, TenantMapEntry>>* tenantList) {
state Reference<TenantEntryCache<int64_t>> cache = makeReference<TenantEntryCache<int64_t>>(cx, createPayload);
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);
int refreshWait =
CLIENT_KNOBS->TENANT_ENTRY_CACHE_LIST_REFRESH_INTERVAL * 10; // initial delay + multiple refresh runs
wait(delay(refreshWait));
// InitRefresh + multiple timer based invocations (at least 2 invocations of cache->refresh())
ASSERT_GE(cache->numCacheRefreshes(), 2);
TraceEvent("TestCacheRefreshEnd");
return Void();
}
ACTOR static Future<Void> tenantEntryRemove(Database cx,
std::vector<std::pair<TenantName, 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).first));
ASSERT(entry.present());
TraceEvent("TestTenantEntryRemoveStart")
.detail("Id", tenantList->at(idx).second.id)
.detail("Name", tenantList->at(idx).first)
.detail("Prefix", tenantList->at(idx).second.prefix);
wait(TenantAPI::deleteTenant(cx.getReference(), tenantList->at(idx).first));
if (deterministicRandom()->coinflip()) {
wait(cache->removeEntryById(tenantList->at(idx).second.id));
} else if (deterministicRandom()->coinflip()) {
wait(cache->removeEntryByPrefix(tenantList->at(idx).second.prefix));
} else {
wait(cache->removeEntryByName(tenantList->at(idx).first));
}
state Optional<TenantEntryCachePayload<int64_t>> e = wait(cache->getById(tenantList->at(idx).second.id));
ASSERT(!e.present());
state Optional<TenantEntryCachePayload<int64_t>> e1 =
wait(cache->getByPrefix(tenantList->at(idx).second.prefix));
ASSERT(!e1.present());
state Optional<TenantEntryCachePayload<int64_t>> e2 = wait(cache->getByName(tenantList->at(idx).first));
ASSERT(!e2.present());
// Ensure remove-entry is an idempotent operation
cache->removeEntryByName(tenantList->at(idx).first);
Optional<TenantEntryCachePayload<int64_t>> e3 = wait(cache->getById(tenantList->at(idx).second.id));
ASSERT(!e3.present());
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<std::pair<TenantName, TenantMapEntry>> tenantList;
wait(testTenantNotFound(cx));
wait(testCreateTenantsAndLookup(cx, self, &tenantList));
wait(testTenantInsert(cx, self, &tenantList));
wait(tenantEntryRemove(cx, &tenantList));
wait(testTenantCacheDefaultFunc(cx));
wait(testCacheRefresh(cx));
return Void();
}
std::string description() const override { return "TenantEntryCache"; }
Future<bool> check(Database const& cx) override { return true; }
void getMetrics(std::vector<PerfMetric>& m) override {}
};
WorkloadFactory<TenantEntryCacheWorkload> TenantEntryCacheWorkloadFactory("TenantEntryCache");