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Use magic_enum for values

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This commit is contained in:
Antonio Andelic 2023-06-27 13:33:39 +00:00
parent efbe01b6bb
commit be852d554b
11 changed files with 80 additions and 39 deletions
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2
src/Common/ZooKeeper/IKeeper.h
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@ -532,6 +532,8 @@ public:
virtual bool isFeatureEnabled(DB::KeeperFeatureFlag feature_flag) const = 0;
virtual const DB::KeeperFeatureFlags * getKeeperFeatureFlags() const { return nullptr; }
/// Expire session and finish all pending requests
virtual void finalize(const String & reason) = 0;
};

2
src/Common/ZooKeeper/ZooKeeper.h
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@ -529,6 +529,8 @@ public:
size_t getConnectedZooKeeperIndex() const { return connected_zk_index; }
UInt64 getConnectedTime() const { return connected_time; }
const DB::KeeperFeatureFlags * getKeeperFeatureFlags() const { return impl->getKeeperFeatureFlags(); }
private:
void init(ZooKeeperArgs args_);

2
src/Common/ZooKeeper/ZooKeeperImpl.h
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@ -202,6 +202,8 @@ public:
void setServerCompletelyStarted();
const KeeperFeatureFlags * getKeeperFeatureFlags() const override { return &keeper_feature_flags; }
private:
ACLs default_acls;
Poco::Net::SocketAddress connected_zk_address;

11
src/Coordination/FourLetterCommand.cpp
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@ -13,6 +13,7 @@
#include <Coordination/Keeper4LWInfo.h>
#include <IO/WriteHelpers.h>
#include <IO/Operators.h>
#include <boost/algorithm/string.hpp>
#include <unistd.h>
#include <bit>
@ -545,7 +546,7 @@ String FeatureFlagsCommand::run()
StringBuffer ret;
auto append = [&ret] (String key, uint8_t value) -> void
auto append = [&ret] (const String & key, uint8_t value) -> void
{
writeText(key, ret);
writeText('\t', ret);
@ -553,8 +554,12 @@ String FeatureFlagsCommand::run()
writeText('\n', ret);
};
for (const auto feature : all_keeper_feature_flags)
append(SettingFieldKeeperFeatureFlagTraits::toString(feature), feature_flags.isEnabled(feature));
for (const auto & [feature_flag, name] : magic_enum::enum_entries<KeeperFeatureFlag>())
{
std::string feature_flag_string(name);
boost::to_lower(feature_flag_string);
append(feature_flag_string, feature_flags.isEnabled(feature_flag));
}
return ret.str();

20
src/Coordination/KeeperContext.cpp
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@ -1,10 +1,19 @@
#include <Coordination/KeeperContext.h>
#include <Coordination/KeeperConstants.h>
#include <Common/logger_useful.h>
#include <Coordination/KeeperFeatureFlags.h>
#include <boost/algorithm/string.hpp>
namespace DB
{
namespace ErrorCodes
{
extern const int BAD_ARGUMENTS;
}
KeeperContext::KeeperContext()
{
/// enable by default some feature flags
@ -29,12 +38,17 @@ void KeeperContext::initialize(const Poco::Util::AbstractConfiguration & config)
config.keys(feature_flags_key, keys);
for (const auto & key : keys)
{
auto feature_flag = SettingFieldKeeperFeatureFlagTraits::fromString(key);
auto feature_flag_string = boost::to_upper_copy(key);
auto feature_flag = magic_enum::enum_cast<KeeperFeatureFlag>(feature_flag_string);
if (!feature_flag.has_value())
throw Exception(ErrorCodes::BAD_ARGUMENTS, "Invalid feature flag defined in config for Keeper: {}", key);
auto is_enabled = config.getBool(feature_flags_key + "." + key);
if (is_enabled)
feature_flags.enableFeatureFlag(feature_flag);
feature_flags.enableFeatureFlag(feature_flag.value());
else
feature_flags.disableFeatureFlag(feature_flag);
feature_flags.disableFeatureFlag(feature_flag.value());
}
system_nodes_with_data[keeper_api_feature_flags_path] = feature_flags.getFeatureFlags();

17
src/Coordination/KeeperFeatureFlags.cpp
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@ -23,15 +23,10 @@ std::pair<size_t, size_t> getByteAndBitIndex(size_t num)
}
IMPLEMENT_SETTING_ENUM(KeeperFeatureFlag, ErrorCodes::BAD_ARGUMENTS,
{{"filtered_list", KeeperFeatureFlag::FILTERED_LIST},
{"multi_read", KeeperFeatureFlag::MULTI_READ},
{"check_not_exists", KeeperFeatureFlag::CHECK_NOT_EXISTS}});
KeeperFeatureFlags::KeeperFeatureFlags()
{
/// get byte idx of largest value
auto [byte_idx, _] = getByteAndBitIndex(all_keeper_feature_flags.size() - 1);
auto [byte_idx, _] = getByteAndBitIndex(magic_enum::enum_count<KeeperFeatureFlag>() - 1);
feature_flags = std::string(byte_idx + 1, 0);
}
@ -56,7 +51,7 @@ void KeeperFeatureFlags::fromApiVersion(KeeperApiVersion keeper_api_version)
bool KeeperFeatureFlags::isEnabled(KeeperFeatureFlag feature_flag) const
{
auto [byte_idx, bit_idx] = getByteAndBitIndex(feature_flag);
auto [byte_idx, bit_idx] = getByteAndBitIndex(magic_enum::enum_integer(feature_flag));
if (byte_idx > feature_flags.size())
return false;
@ -71,7 +66,7 @@ void KeeperFeatureFlags::setFeatureFlags(std::string feature_flags_)
void KeeperFeatureFlags::enableFeatureFlag(KeeperFeatureFlag feature_flag)
{
auto [byte_idx, bit_idx] = getByteAndBitIndex(feature_flag);
auto [byte_idx, bit_idx] = getByteAndBitIndex(magic_enum::enum_integer(feature_flag));
chassert(byte_idx < feature_flags.size());
feature_flags[byte_idx] |= (1 << bit_idx);
@ -79,7 +74,7 @@ void KeeperFeatureFlags::enableFeatureFlag(KeeperFeatureFlag feature_flag)
void KeeperFeatureFlags::disableFeatureFlag(KeeperFeatureFlag feature_flag)
{
auto [byte_idx, bit_idx] = getByteAndBitIndex(feature_flag);
auto [byte_idx, bit_idx] = getByteAndBitIndex(magic_enum::enum_integer(feature_flag));
chassert(byte_idx < feature_flags.size());
feature_flags[byte_idx] &= ~(1 << bit_idx);
@ -92,10 +87,10 @@ const std::string & KeeperFeatureFlags::getFeatureFlags() const
void KeeperFeatureFlags::logFlags(Poco::Logger * log) const
{
for (const auto & feature_flag : all_keeper_feature_flags)
for (const auto & [feature_flag, feature_flag_name] : magic_enum::enum_entries<KeeperFeatureFlag>())
{
auto is_enabled = isEnabled(feature_flag);
LOG_INFO(log, "Keeper feature flag {}: {}", SettingFieldKeeperFeatureFlagTraits::toString(feature_flag), is_enabled ? "enabled" : "disabled");
LOG_INFO(log, "Keeper feature flag {}: {}", feature_flag_name, is_enabled ? "enabled" : "disabled");
}
}

14
src/Coordination/KeeperFeatureFlags.h
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@ -1,28 +1,18 @@
#pragma once
#include <Core/SettingsEnums.h>
#include <Core/SettingsFields.h>
#include <Coordination/KeeperConstants.h>
namespace DB
{
enum KeeperFeatureFlag
/// these values cannot be reordered or removed, only new values can be added
enum class KeeperFeatureFlag : size_t
{
FILTERED_LIST = 0,
MULTI_READ,
CHECK_NOT_EXISTS,
};
static inline constexpr std::array all_keeper_feature_flags
{
KeeperFeatureFlag::FILTERED_LIST,
KeeperFeatureFlag::MULTI_READ,
KeeperFeatureFlag::CHECK_NOT_EXISTS,
};
DECLARE_SETTING_ENUM(KeeperFeatureFlag);
class KeeperFeatureFlags
{
public:

41
src/Storages/System/StorageSystemZooKeeperConnection.cpp
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@ -1,8 +1,11 @@
#include <Interpreters/Context.h>
#include <DataTypes/DataTypeArray.h>
#include <DataTypes/DataTypeEnum.h>
#include <DataTypes/DataTypeString.h>
#include <DataTypes/DataTypesNumber.h>
#include <DataTypes/DataTypeDateTime.h>
#include <Common/ZooKeeper/ZooKeeper.h>
#include <Coordination/KeeperFeatureFlags.h>
#include <Storages/System/StorageSystemZooKeeperConnection.h>
namespace DB
@ -10,6 +13,13 @@ namespace DB
NamesAndTypesList StorageSystemZooKeeperConnection::getNamesAndTypes()
{
DataTypeEnum16::Values feature_flags_enum_values;
feature_flags_enum_values.reserve(magic_enum::enum_count<KeeperFeatureFlag>());
for (const auto & [feature_flag, feature_flag_string] : magic_enum::enum_entries<KeeperFeatureFlag>())
feature_flags_enum_values.push_back(std::pair{std::string{feature_flag_string}, static_cast<Int16>(feature_flag)});
auto feature_flags_enum = std::make_shared<DataTypeEnum16>(std::move(feature_flags_enum_values));
return {
{"name", std::make_shared<DataTypeString>()},
{"host", std::make_shared<DataTypeString>()},
@ -19,7 +29,8 @@ NamesAndTypesList StorageSystemZooKeeperConnection::getNamesAndTypes()
{"session_uptime_elapsed_seconds", std::make_shared<DataTypeUInt64>()},
{"is_expired", std::make_shared<DataTypeUInt8>()},
{"keeper_api_version", std::make_shared<DataTypeUInt8>()},
{"client_id", std::make_shared<DataTypeInt64>()}
{"client_id", std::make_shared<DataTypeInt64>()},
{"enabled_feature_flags", std::make_shared<DataTypeArray>(std::move(feature_flags_enum))}
};
}
@ -36,17 +47,37 @@ void StorageSystemZooKeeperConnection::fillData(MutableColumns & res_columns, Co
res_columns[7]->insert(0);
res_columns[8]->insert(context->getZooKeeper()->getClientID());
const auto add_enabled_feature_flags = [&](const auto & zookeeper)
{
Array enabled_feature_flags;
const auto * feature_flags = zookeeper->getKeeperFeatureFlags();
if (feature_flags)
{
for (const auto & feature_flag : magic_enum::enum_values<KeeperFeatureFlag>())
{
if (feature_flags->isEnabled(feature_flag))
{
enabled_feature_flags.push_back(feature_flag);
}
}
}
res_columns[9]->insert(std::move(enabled_feature_flags));
};
add_enabled_feature_flags(context->getZooKeeper());
for (const auto & elem : context->getAuxiliaryZooKeepers())
{
res_columns[0]->insert(elem.first);
res_columns[1]->insert(elem.second->getConnectedZooKeeperHost());
res_columns[2]->insert(elem.second->getConnectedZooKeeperPort());
res_columns[3]->insert(elem.second->getConnectedZooKeeperIndex());
res_columns[4]->insert(elem.second->getSessionUptime());
res_columns[5]->insert(elem.second->expired());
res_columns[6]->insert(0);
res_columns[7]->insert(elem.second->getClientID());
res_columns[4]->insert(elem.second->getConnectedTime());
res_columns[5]->insert(elem.second->getSessionUptime());
res_columns[6]->insert(elem.second->expired());
res_columns[7]->insert(0);
res_columns[8]->insert(elem.second->getClientID());
add_enabled_feature_flags(elem.second);
}
}

4
tests/integration/test_keeper_feature_flags_config/test.py
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@ -69,12 +69,12 @@ def test_keeper_feature_flags(started_cluster):
for feature, is_enabled in feature_flags:
node.wait_for_log_line(
f"ZooKeeperClient: Keeper feature flag {feature}: {'enabled' if is_enabled else 'disabled'}",
f"ZooKeeperClient: Keeper feature flag {feature.upper()}: {'enabled' if is_enabled else 'disabled'}",
look_behind_lines=1000,
)
node.wait_for_log_line(
f"KeeperContext: Keeper feature flag {feature}: {'enabled' if is_enabled else 'disabled'}",
f"KeeperContext: Keeper feature flag {feature.upper()}: {'enabled' if is_enabled else 'disabled'}",
look_behind_lines=1000,
)

4
tests/queries/0_stateless/02735_system_zookeeper_connection.reference
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@ -1,2 +1,2 @@
default ::1 9181 0 0 0 1 1
zookeeper2 ::1 9181 0 0 0 1
default ::1 9181 0 0 0 1 1 ['FILTERED_LIST','MULTI_READ','CHECK_NOT_EXISTS']
zookeeper2 ::1 9181 0 0 0 1

2
tests/queries/0_stateless/02735_system_zookeeper_connection.sql
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@ -9,7 +9,7 @@ ENGINE ReplicatedMergeTree('zookeeper2:/clickhouse/{database}/02731_zk_connectio
ORDER BY tuple();
select name, host, port, index, is_expired, keeper_api_version, (connected_time between yesterday() and now()),
(abs(session_uptime_elapsed_seconds - zookeeperSessionUptime()) < 10)
(abs(session_uptime_elapsed_seconds - zookeeperSessionUptime()) < 10), enabled_feature_flags
from system.zookeeper_connection where name='default';
-- keeper_api_version will by 0 for auxiliary_zookeeper2, because we fail to get /api_version due to chroot