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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/document/bucket/bucketidfactory.h>
#include <vespa/vdslib/state/clusterstate.h>
#include <vespa/vdslib/state/random.h>
#include <vespa/vespalib/gtest/gtest.h>
#include <vespa/vespalib/stllike/asciistream.h>
#include <vespa/vespalib/util/exception.h>
#include <cmath>
#include <gmock/gmock.h>
using vespalib::string;
using ::testing::ContainsRegex;
namespace storage::lib {
#define VERIFY3(source, result, typestr) { \
vespalib::asciistream ost; \
try { \
state->serialize(ost); \
} catch (std::exception& e) { \
FAIL() << ("Failed to serialize system state " \
+ state->toString(true) + " in " + std::string(typestr) \
+ " format: " + std::string(e.what())); \
} \
EXPECT_EQ(vespalib::string(typestr) + " \"" + vespalib::string(result) + "\"", \
vespalib::string(typestr) + " \"" + ost.str() + "\"") << state->toString(true); \
}
#define VERIFY2(serialized, result) { \
std::unique_ptr<ClusterState> state; \
try { \
state.reset(new ClusterState(serialized)); \
} catch (std::exception& e) { \
FAIL() << ("Failed to parse '" + std::string(serialized) + "': " + e.what()); \
} \
VERIFY3(serialized, result, "New") \
}
#define VERIFYSAMENEW(serialized) VERIFY2(serialized, serialized)
#define VERIFYNEW(serialized, result) VERIFY2(serialized, result)
#define VERIFY_FAIL(serialized, error) { \
try{ \
ClusterState state(serialized); \
FAIL() << ("Parsing the state '" + std::string(serialized) \
+ "' is supposed to fail."); \
} catch (vespalib::Exception& e) { \
EXPECT_THAT(e.getMessage(), ContainsRegex(error)); \
} \
}
TEST(ClusterStateTest, test_basic_functionality)
{
// Version is default and should not be written
VERIFYNEW("version:0", "");
VERIFYNEW("version:1", "version:1");
// Cluster state up is default and should not be written
VERIFYNEW("cluster:u", "");
VERIFYSAMENEW("cluster:d");
VERIFYSAMENEW("cluster:i");
VERIFYSAMENEW("cluster:s");
// No need to write node counts if no nodes exist.
VERIFYNEW("cluster:d distributor:0 storage:0", "cluster:d");
// Test legal distributor states
VERIFYNEW("distributor:10 .1.s:i .2.s:u .3.s:s .4.s:d",
"distributor:10 .1.s:i .1.i:0 .3.s:s .4.s:d");
// Test legal storage states
VERIFYNEW("storage:10 .1.s:i .2.s:u .3.s:d .4.s:m .5.s:r",
"storage:10 .1.s:i .1.i:0 .3.s:d .4.s:m .5.s:r");
// Test other distributor node propertise
// (Messages is excluded from system states to not make them too long as
// most nodes have no use for them)
VERIFYNEW("distributor:9 .7.m:foo\\x20bar", "distributor:9");
VERIFYSAMENEW("distributor:4 .2.s:m");
// Test other storage node propertise
// (Messages is excluded from system states to not make them too long as
// most nodes have no use for them)
VERIFYNEW("storage:9 .3.c:2.3 .7.m:foo\\x20bar",
"storage:9 .3.c:2.3");
// Test that messages are kept in verbose mode, even if last index
{
ClusterState state("storage:5 .4.s:d .4.m:Foo\\x20bar");
const NodeState& ns(state.getNodeState(Node(NodeType::STORAGE, 4)));
EXPECT_EQ(string("Foo bar"), ns.getDescription());
}
ClusterState state;
state.setClusterState(State::UP);
state.setNodeState(Node(NodeType::DISTRIBUTOR, 3),
NodeState(NodeType::DISTRIBUTOR, State::UP));
EXPECT_EQ(std::string("distributor:4 .0.s:d .1.s:d .2.s:d"),
state.toString(false));
state.setNodeState(Node(NodeType::DISTRIBUTOR, 1),
NodeState(NodeType::DISTRIBUTOR, State::UP));
EXPECT_EQ(std::string("distributor:4 .0.s:d .2.s:d"),
state.toString(false));
state.setNodeState(Node(NodeType::DISTRIBUTOR, 3),
NodeState(NodeType::DISTRIBUTOR, State::DOWN));
EXPECT_EQ(std::string("distributor:2 .0.s:d"),
state.toString(false));
state.setNodeState(Node(NodeType::DISTRIBUTOR, 4),
NodeState(NodeType::DISTRIBUTOR, State::UP));
EXPECT_EQ(std::string("distributor:5 .0.s:d .2.s:d .3.s:d"),
state.toString(false));
}
TEST(ClusterStateTest, test_error_behaviour)
{
// Keys with invalid values
// Index out of range
VERIFY_FAIL("storage:5 distributor:4 .4.s:s",
"Cannot index distributor node 4 of 4");
VERIFY_FAIL("distributor:5 storage:4 .4.s:s",
"Cannot index storage node 4 of 4");
// Test illegal cluster states
VERIFY_FAIL("cluster:m", "Maintenance is not a legal cluster state");
VERIFY_FAIL("cluster:r", "Retired is not a legal cluster state");
// Test illegal distributor states
// Currently set to legal
// VERIFY_FAIL("distributor:4 .2.s:r",
// "Retired is not a legal distributor state");
// Test blatantly illegal values for known attributes:
VERIFY_FAIL("distributor:4 .2.s:z", "Unknown state z given.*");
VERIFY_FAIL("distributor:4 .2.i:foobar",
".*Init progress must be a floating point number from .*");
// Lacking absolute path first
VERIFY_FAIL(".2.s:d distributor:4", "The first path in system state.*");
// Unknown tokens
VERIFYNEW("distributor:4 .2.d:2", "distributor:4");
VERIFYNEW("distributor:4 .2.d:2 .2.d:2", "distributor:4");
VERIFYNEW("distributor:4 .2.c:1.2 .3.r:2.0", "distributor:4");
VERIFYNEW("distributor:4 .2:foo storage:5 .4:d", "distributor:4 storage:5");
VERIFYNEW("ballalaika:true distributor:4 .2.urk:oj .2.z:foo .2.s:s "
".2.j:foo storage:10 .3.d:4 .3.d.2.a:boo .3.s:s",
"distributor:4 .2.s:s storage:10 .3.s:s");
}
TEST(ClusterStateTest, test_detailed)
{
ClusterState state(
"version:314 cluster:i "
"distributor:8 .1.s:i .3.s:i .3.i:0.5 .5.s:d .7.m:foo\\x20bar "
"storage:10 .2.d:16 .2.d.3:d .4.s:d .5.c:1.3 "
" .6.m:bar\\tfoo .7.s:m .8.d:10 .8.d.4.c:0.6 .8.d.4.m:small"
);
EXPECT_EQ(314u, state.getVersion());
EXPECT_EQ(State::INITIALIZING, state.getClusterState());
EXPECT_EQ(uint16_t(8), state.getNodeCount(NodeType::DISTRIBUTOR));
EXPECT_EQ(uint16_t(10), state.getNodeCount(NodeType::STORAGE));
// Testing distributor node states
for (uint16_t i = 0; i <= 20; ++i) {
const NodeState& ns(state.getNodeState(Node(NodeType::DISTRIBUTOR, i)));
// Test node states
if (i == 1 || i == 3) {
EXPECT_EQ(State::INITIALIZING, ns.getState());
} else if (i == 5 || i >= 8) {
EXPECT_EQ(State::DOWN, ns.getState());
} else {
EXPECT_EQ(State::UP, ns.getState());
}
// Test initialize progress
if (i == 1) {
EXPECT_EQ(vespalib::Double(0.0), ns.getInitProgress());
} else if (i == 3) {
EXPECT_EQ(vespalib::Double(0.5), ns.getInitProgress());
} else {
EXPECT_EQ(vespalib::Double(0.0), ns.getInitProgress());
}
// Test message
if (i == 7) {
EXPECT_EQ(string("foo bar"), ns.getDescription());
} else {
EXPECT_EQ(string(""), ns.getDescription());
}
}
// Testing storage node states
for (uint16_t i = 0; i <= 20; ++i) {
const NodeState& ns(state.getNodeState(Node(NodeType::STORAGE, i)));
// Test node states
if (i == 4 || i >= 10) {
EXPECT_EQ(State::DOWN, ns.getState());
} else if (i == 7) {
EXPECT_EQ(State::MAINTENANCE, ns.getState());
} else {
EXPECT_EQ(State::UP, ns.getState());
}
// Test message
if (i == 6) {
EXPECT_EQ(string("bar\tfoo"), ns.getDescription());
} else {
EXPECT_EQ(string(""), ns.getDescription());
}
// Test capacity
if (i == 5) {
EXPECT_EQ(vespalib::Double(1.3), ns.getCapacity());
} else {
EXPECT_EQ(vespalib::Double(1.0), ns.getCapacity());
}
}
}
TEST(ClusterStateTest, test_parse_failure)
{
EXPECT_THROW(ClusterState state("storage"), vespalib::Exception);
EXPECT_NO_THROW(ClusterState state(""));
EXPECT_THROW(ClusterState state(".her:tull"), vespalib::Exception);
}
TEST(ClusterStateTest, test_parse_failure_groups)
{
EXPECT_THROW(ClusterState state(")"), vespalib::Exception);
}
}
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