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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vdstestlib/cppunit/macros.h>
#include <vespa/persistence/conformancetest/conformancetest.h>
#include <vespa/persistence/spi/test.h>
#include <vespa/persistence/dummyimpl/dummypersistence.h>
#include <vespa/vdslib/distribution/distribution.h>
#include <vespa/vdslib/state/clusterstate.h>
#include <vespa/config-stor-distribution.h>
using storage::spi::test::makeBucket;
namespace storage {
namespace spi {
struct ClusterStateTest : public CppUnit::TestFixture {
ClusterStateTest() {}
CPPUNIT_TEST_SUITE(ClusterStateTest);
CPPUNIT_TEST(testClusterUp);
CPPUNIT_TEST(testNodeUp);
CPPUNIT_TEST(testNodeInitializing);
CPPUNIT_TEST(testReady);
CPPUNIT_TEST(can_infer_own_node_retired_state);
CPPUNIT_TEST_SUITE_END();
void testClusterUp();
void testNodeUp();
void testNodeInitializing();
void testReady();
void can_infer_own_node_retired_state();
};
CPPUNIT_TEST_SUITE_REGISTRATION(ClusterStateTest);
void
ClusterStateTest::testClusterUp()
{
lib::Distribution d(lib::Distribution::getDefaultDistributionConfig(3, 3));
{
lib::ClusterState s("version:1 storage:3 distributor:3");
ClusterState state(s, 0, d);
CPPUNIT_ASSERT_EQUAL(true, state.clusterUp());
}
{
lib::ClusterState s("version:1 storage:3 .0.s:d distributor:3");
ClusterState state(s, 0, d);
CPPUNIT_ASSERT_EQUAL(true, state.clusterUp());
}
{
lib::ClusterState s("version:1 cluster:d storage:3 .0.s:d distributor:3");
ClusterState state(s, 0, d);
CPPUNIT_ASSERT_EQUAL(false, state.clusterUp());
}
{
lib::ClusterState s("version:1 cluster:d storage:3 distributor:3");
ClusterState state(s, 0, d);
CPPUNIT_ASSERT_EQUAL(false, state.clusterUp());
}
}
void
ClusterStateTest::testNodeUp()
{
lib::Distribution d(lib::Distribution::getDefaultDistributionConfig(3, 3));
{
lib::ClusterState s("version:1 storage:3 distributor:3");
ClusterState state(s, 0, d);
CPPUNIT_ASSERT_EQUAL(true, state.nodeUp());
}
{
lib::ClusterState s("version:1 storage:3 .0.s:d distributor:3");
ClusterState state(s, 0, d);
CPPUNIT_ASSERT_EQUAL(false, state.nodeUp());
}
{
lib::ClusterState s("version:1 storage:3 .0.s:d distributor:3");
ClusterState state(s, 1, d);
CPPUNIT_ASSERT_EQUAL(true, state.nodeUp());
}
{
lib::ClusterState s("version:1 cluster:d storage:3 distributor:3");
ClusterState state(s, 0, d);
CPPUNIT_ASSERT_EQUAL(true, state.nodeUp());
}
{
lib::ClusterState s("version:1 cluster:d storage:3 distributor:3 .0.s:d");
ClusterState state(s, 0, d);
CPPUNIT_ASSERT_EQUAL(true, state.nodeUp());
}
{
lib::ClusterState s("version:1 cluster:d storage:3 .0.s:d distributor:3");
ClusterState state(s, 0, d);
CPPUNIT_ASSERT_EQUAL(false, state.nodeUp());
}
{
lib::ClusterState s("version:1 cluster:d storage:3 .0.s:r distributor:3");
ClusterState state(s, 0, d);
CPPUNIT_ASSERT_EQUAL(true, state.nodeUp());
}
{
lib::ClusterState s("version:1 cluster:d storage:3 .0.s:i distributor:3");
ClusterState state(s, 0, d);
CPPUNIT_ASSERT_EQUAL(true, state.nodeUp());
}
}
namespace {
bool
nodeMarkedAsInitializingInState(const std::string& stateStr,
const lib::Distribution& d,
uint16_t node)
{
lib::ClusterState s(stateStr);
ClusterState state(s, node, d);
return state.nodeInitializing();
}
} // anon ns
void
ClusterStateTest::testNodeInitializing()
{
lib::Distribution d(lib::Distribution::getDefaultDistributionConfig(3, 3));
CPPUNIT_ASSERT(!nodeMarkedAsInitializingInState(
"version:1 storage:3 distributor:3", d, 0));
CPPUNIT_ASSERT(nodeMarkedAsInitializingInState(
"version:1 storage:3 .0.s:i distributor:3", d, 0));
CPPUNIT_ASSERT(!nodeMarkedAsInitializingInState(
"version:1 storage:3 .0.s:i distributor:3", d, 1));
// To mirror nodeUp functionality, we ignore cluster state.
CPPUNIT_ASSERT(nodeMarkedAsInitializingInState(
"version:1 cluster:d storage:3 .0.s:i distributor:3", d, 0));
// Distributors don't technically have init state, but just go with it.
CPPUNIT_ASSERT(!nodeMarkedAsInitializingInState(
"version:1 storage:3 distributor:3 .0.s:i", d, 0));
CPPUNIT_ASSERT(!nodeMarkedAsInitializingInState(
"version:1 storage:3 .0.s:d distributor:3", d, 0));
CPPUNIT_ASSERT(!nodeMarkedAsInitializingInState(
"version:1 storage:3 .0.s:r distributor:3", d, 0));
CPPUNIT_ASSERT(!nodeMarkedAsInitializingInState(
"version:1 storage:3 .0.s:m distributor:3", d, 0));
}
namespace {
lib::Distribution::DistributionConfig getCfg(uint16_t redundancy, uint16_t readyCopies)
{
lib::Distribution::DistributionConfigBuilder config(lib::Distribution::getDefaultDistributionConfig(redundancy, 100).get());
config.readyCopies = readyCopies;
return config;
}
}
void
ClusterStateTest::testReady()
{
lib::ClusterState s("version:1 storage:3 distributor:3");
Bucket b(makeBucket(document::BucketId(16, 1)));
// With 3 copies, this bucket has ideal state 0, 2, 1
// Nothing ready with 0 ready copies.
{
lib::Distribution d(getCfg(3, 0));
ClusterState state(s, 0, d);
CPPUNIT_ASSERT_EQUAL(false, state.shouldBeReady(b));
}
// Only node 0 with 1 ready copy.
for (uint32_t i = 0; i < 3; ++i) {
lib::Distribution d(getCfg(3, 1));
ClusterState state(s, i, d);
CPPUNIT_ASSERT_EQUAL(i == 0, state.shouldBeReady(b));
}
// All of them with 3 ready copies
for (uint32_t i = 0; i < 3; ++i) {
lib::Distribution d(getCfg(3, 3));
ClusterState state(s, i, d);
CPPUNIT_ASSERT_EQUAL(true, state.shouldBeReady(b));
}
// Node 0 and node 1 with 2 ready copies.
for (uint32_t i = 0; i < 3; ++i) {
lib::Distribution d(getCfg(3, 2));
ClusterState state(s, i, d);
CPPUNIT_ASSERT_EQUAL(i == 0 || i == 2, state.shouldBeReady(b));
}
// All of them with 3 ready copies
for (uint32_t i = 0; i < 3; ++i) {
lib::Distribution d(getCfg(3, 3));
ClusterState state(s, i, d);
CPPUNIT_ASSERT_EQUAL(true, state.shouldBeReady(b));
}
lib::ClusterState s2("version:1 storage:3 .0.s:d distributor:3");
// The two others should be ready now
for (uint32_t i = 0; i < 3; ++i) {
lib::Distribution d(getCfg(3, 2));
ClusterState state(s2, i, d);
CPPUNIT_ASSERT_EQUAL(i == 1 || i == 2, state.shouldBeReady(b));
}
for (uint32_t i = 0; i < 3; ++i) {
lib::Distribution d(getCfg(3, 1));
ClusterState state(s2, i, d);
CPPUNIT_ASSERT_EQUAL(i == 2, state.shouldBeReady(b));
}
}
namespace {
bool
node_marked_as_retired_in_state(const std::string& stateStr,
const lib::Distribution& d,
uint16_t node)
{
lib::ClusterState s(stateStr);
ClusterState state(s, node, d);
return state.nodeRetired();
}
}
void ClusterStateTest::can_infer_own_node_retired_state() {
lib::Distribution d(lib::Distribution::getDefaultDistributionConfig(3, 3));
CPPUNIT_ASSERT(!node_marked_as_retired_in_state("distributor:3 storage:3", d, 0));
CPPUNIT_ASSERT(!node_marked_as_retired_in_state("distributor:3 storage:3 .0.s:i", d, 0));
CPPUNIT_ASSERT(!node_marked_as_retired_in_state("distributor:3 storage:3 .0.s:d", d, 0));
CPPUNIT_ASSERT(!node_marked_as_retired_in_state("distributor:3 storage:3 .0.s:m", d, 0));
CPPUNIT_ASSERT(node_marked_as_retired_in_state("distributor:3 storage:3 .0.s:r", d, 0));
CPPUNIT_ASSERT(!node_marked_as_retired_in_state("distributor:3 storage:3 .0.s:r", d, 1));
CPPUNIT_ASSERT(!node_marked_as_retired_in_state("distributor:3 storage:3 .1.s:r", d, 0));
}
} // spi
} // storage
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