mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-25 09:02:00 +00:00
Make common BridgeHelper base class for all bridges
This commit is contained in:
kssenii
parent
f83a5d83a2
commit
25fc6a29e5
121
src/Common/Bridge/BridgeHelper.cpp
Normal file
121
src/Common/Bridge/BridgeHelper.cpp
Normal file
@ -0,0 +1,121 @@
|
||||
#include "BridgeHelper.h"
|
||||
|
||||
#include <IO/ReadWriteBufferFromHTTP.h>
|
||||
#include <IO/ReadHelpers.h>
|
||||
#include <Poco/Net/HTTPRequest.h>
|
||||
#include <Poco/Path.h>
|
||||
#include <Poco/URI.h>
|
||||
|
||||
|
||||
namespace DB
|
||||
{
|
||||
|
||||
namespace ErrorCodes
|
||||
{
|
||||
extern const int EXTERNAL_SERVER_IS_NOT_RESPONDING;
|
||||
extern const int ILLEGAL_TYPE_OF_ARGUMENT;
|
||||
}
|
||||
|
||||
|
||||
bool BridgeHelper::checkBridgeIsRunning() const
|
||||
{
|
||||
try
|
||||
{
|
||||
ReadWriteBufferFromHTTP buf(
|
||||
pingURL(), Poco::Net::HTTPRequest::HTTP_GET, {}, ConnectionTimeouts::getHTTPTimeouts(getContext()));
|
||||
return checkString(PING_OK_ANSWER, buf);
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void BridgeHelper::startBridgeSync() const
|
||||
{
|
||||
if (!checkBridgeIsRunning())
|
||||
{
|
||||
LOG_TRACE(getLog(), "{} is not running, will try to start it", serviceAlias());
|
||||
startBridge(startBridgeCommand());
|
||||
bool started = false;
|
||||
|
||||
uint64_t milliseconds_to_wait = 10; /// Exponential backoff
|
||||
uint64_t counter = 0;
|
||||
|
||||
while (milliseconds_to_wait < 10000)
|
||||
{
|
||||
++counter;
|
||||
LOG_TRACE(getLog(), "Checking {} is running, try {}", serviceAlias(), counter);
|
||||
|
||||
if (checkBridgeIsRunning())
|
||||
{
|
||||
started = true;
|
||||
break;
|
||||
}
|
||||
|
||||
std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds_to_wait));
|
||||
milliseconds_to_wait *= 2;
|
||||
}
|
||||
|
||||
if (!started)
|
||||
throw Exception("BridgeHelper: " + serviceAlias() + " is not responding",
|
||||
ErrorCodes::EXTERNAL_SERVER_IS_NOT_RESPONDING);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
std::unique_ptr<ShellCommand> BridgeHelper::startBridgeCommand() const
|
||||
{
|
||||
if (startBridgeManually())
|
||||
throw Exception(serviceAlias() + " is not running. Please, start it manually", ErrorCodes::EXTERNAL_SERVER_IS_NOT_RESPONDING);
|
||||
|
||||
const auto & config = getConfig();
|
||||
/// Path to executable folder
|
||||
Poco::Path path{config.getString("application.dir", "/usr/bin")};
|
||||
|
||||
std::vector<std::string> cmd_args;
|
||||
path.setFileName("clickhouse-odbc-bridge");
|
||||
|
||||
#if !CLICKHOUSE_SPLIT_BINARY
|
||||
cmd_args.push_back("odbc-bridge");
|
||||
#endif
|
||||
|
||||
cmd_args.push_back("--http-port");
|
||||
cmd_args.push_back(std::to_string(config.getUInt(configPrefix() + ".port", getDefaultPort())));
|
||||
cmd_args.push_back("--listen-host");
|
||||
cmd_args.push_back(config.getString(configPrefix() + ".listen_host", getDefaultHost()));
|
||||
cmd_args.push_back("--http-timeout");
|
||||
cmd_args.push_back(std::to_string(getHTTPTimeout().totalMicroseconds()));
|
||||
if (config.has("logger." + configPrefix() + "_log"))
|
||||
{
|
||||
cmd_args.push_back("--log-path");
|
||||
cmd_args.push_back(config.getString("logger." + configPrefix() + "_log"));
|
||||
}
|
||||
if (config.has("logger." + configPrefix() + "_errlog"))
|
||||
{
|
||||
cmd_args.push_back("--err-log-path");
|
||||
cmd_args.push_back(config.getString("logger." + configPrefix() + "_errlog"));
|
||||
}
|
||||
if (config.has("logger." + configPrefix() + "_stdout"))
|
||||
{
|
||||
cmd_args.push_back("--stdout-path");
|
||||
cmd_args.push_back(config.getString("logger." + configPrefix() + "_stdout"));
|
||||
}
|
||||
if (config.has("logger." + configPrefix() + "_stderr"))
|
||||
{
|
||||
cmd_args.push_back("--stderr-path");
|
||||
cmd_args.push_back(config.getString("logger." + configPrefix() + "_stderr"));
|
||||
}
|
||||
if (config.has("logger." + configPrefix() + "_level"))
|
||||
{
|
||||
cmd_args.push_back("--log-level");
|
||||
cmd_args.push_back(config.getString("logger." + configPrefix() + "_level"));
|
||||
}
|
||||
|
||||
LOG_TRACE(getLog(), "Starting {}", serviceAlias());
|
||||
|
||||
return ShellCommand::executeDirect(path.toString(), cmd_args, true);
|
||||
}
|
||||
|
||||
}
|
||||
55
src/Common/Bridge/BridgeHelper.h
Normal file
55
src/Common/Bridge/BridgeHelper.h
Normal file
@ -0,0 +1,55 @@
|
||||
#pragma once
|
||||
|
||||
#include <Interpreters/Context.h>
|
||||
#include <Poco/Logger.h>
|
||||
#include <Poco/Util/AbstractConfiguration.h>
|
||||
#include <Common/ShellCommand.h>
|
||||
#include <IO/ConnectionTimeoutsContext.h>
|
||||
#include <common/logger_useful.h>
|
||||
|
||||
|
||||
namespace DB
|
||||
{
|
||||
|
||||
class BridgeHelper
|
||||
{
|
||||
|
||||
public:
|
||||
//static constexpr inline auto DEFAULT_FORMAT = "RowBinary";
|
||||
|
||||
static constexpr inline auto DEFAULT_FORMAT = "RowBinary";
|
||||
static constexpr inline auto PING_OK_ANSWER = "Ok.";
|
||||
|
||||
virtual const String serviceAlias() const = 0;
|
||||
|
||||
virtual const String configPrefix() const = 0;
|
||||
|
||||
virtual const Poco::URI & pingURL() const = 0;
|
||||
|
||||
virtual const Context & getContext() const = 0;
|
||||
|
||||
virtual Poco::Logger * getLog() const = 0;
|
||||
|
||||
virtual const Poco::Util::AbstractConfiguration & getConfig() const = 0;
|
||||
|
||||
virtual const String getDefaultHost() const = 0;
|
||||
|
||||
virtual size_t getDefaultPort() const = 0;
|
||||
|
||||
virtual bool startBridgeManually() const = 0;
|
||||
|
||||
virtual void startBridge(std::unique_ptr<ShellCommand> cmd) const = 0;
|
||||
|
||||
virtual const Poco::Timespan getHTTPTimeout() const = 0;
|
||||
|
||||
void startBridgeSync() const;
|
||||
|
||||
virtual ~BridgeHelper() = default;
|
||||
|
||||
private:
|
||||
bool checkBridgeIsRunning() const;
|
||||
|
||||
std::unique_ptr<ShellCommand> startBridgeCommand() const;
|
||||
};
|
||||
|
||||
}
|
||||
@ -15,60 +15,59 @@
|
||||
#include <IO/ConnectionTimeoutsContext.h>
|
||||
#include <common/logger_useful.h>
|
||||
#include <ext/range.h>
|
||||
#include <Common/Bridge/BridgeHelper.h>
|
||||
|
||||
#if !defined(ARCADIA_BUILD)
|
||||
# include <Common/config.h>
|
||||
#endif
|
||||
|
||||
|
||||
namespace DB
|
||||
{
|
||||
|
||||
namespace ErrorCodes
|
||||
{
|
||||
extern const int EXTERNAL_SERVER_IS_NOT_RESPONDING;
|
||||
extern const int ILLEGAL_TYPE_OF_ARGUMENT;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Class for Helpers for Xdbc-bridges, provide utility methods, not main request
|
||||
*/
|
||||
class IXDBCBridgeHelper
|
||||
class IXDBCBridgeHelper : public BridgeHelper
|
||||
{
|
||||
|
||||
public:
|
||||
static constexpr inline auto DEFAULT_FORMAT = "RowBinary";
|
||||
|
||||
virtual std::vector<std::pair<std::string, std::string>> getURLParams(const std::string & cols, UInt64 max_block_size) const = 0;
|
||||
virtual void startBridgeSync() const = 0;
|
||||
virtual Poco::URI getMainURI() const = 0;
|
||||
virtual Poco::URI getColumnsInfoURI() const = 0;
|
||||
virtual IdentifierQuotingStyle getIdentifierQuotingStyle() = 0;
|
||||
virtual bool isSchemaAllowed() = 0;
|
||||
virtual String getName() const = 0;
|
||||
|
||||
virtual ~IXDBCBridgeHelper() = default;
|
||||
virtual Poco::URI getMainURI() const = 0;
|
||||
|
||||
virtual Poco::URI getColumnsInfoURI() const = 0;
|
||||
|
||||
virtual IdentifierQuotingStyle getIdentifierQuotingStyle() = 0;
|
||||
|
||||
virtual bool isSchemaAllowed() = 0;
|
||||
|
||||
virtual const String getName() const = 0;
|
||||
};
|
||||
|
||||
using BridgeHelperPtr = std::shared_ptr<IXDBCBridgeHelper>;
|
||||
|
||||
|
||||
template <typename BridgeHelperMixin>
|
||||
class XDBCBridgeHelper : public IXDBCBridgeHelper
|
||||
{
|
||||
|
||||
private:
|
||||
Poco::Timespan http_timeout;
|
||||
|
||||
std::string connection_string;
|
||||
|
||||
Poco::URI ping_url;
|
||||
|
||||
Poco::Logger * log = &Poco::Logger::get(BridgeHelperMixin::getName() + "BridgeHelper");
|
||||
|
||||
std::optional<IdentifierQuotingStyle> quote_style;
|
||||
std::optional<bool> is_schema_allowed;
|
||||
|
||||
protected:
|
||||
auto getConnectionString() const
|
||||
{
|
||||
return connection_string;
|
||||
}
|
||||
auto getConnectionString() const { return connection_string; }
|
||||
|
||||
public:
|
||||
using Configuration = Poco::Util::AbstractConfiguration;
|
||||
@ -83,7 +82,7 @@ public:
|
||||
static constexpr inline auto COL_INFO_HANDLER = "/columns_info";
|
||||
static constexpr inline auto IDENTIFIER_QUOTE_HANDLER = "/identifier_quote";
|
||||
static constexpr inline auto SCHEMA_ALLOWED_HANDLER = "/schema_allowed";
|
||||
static constexpr inline auto PING_OK_ANSWER = "Ok.";
|
||||
|
||||
|
||||
XDBCBridgeHelper(const Context & global_context_, const Poco::Timespan & http_timeout_, const std::string & connection_string_)
|
||||
: http_timeout(http_timeout_), connection_string(connection_string_), context(global_context_), config(context.getConfigRef())
|
||||
@ -97,11 +96,67 @@ public:
|
||||
ping_url.setPath(PING_HANDLER);
|
||||
}
|
||||
|
||||
String getName() const override
|
||||
|
||||
const String getDefaultHost() const override
|
||||
{
|
||||
return DEFAULT_HOST;
|
||||
}
|
||||
|
||||
size_t getDefaultPort() const override
|
||||
{
|
||||
return DEFAULT_PORT;
|
||||
}
|
||||
|
||||
const String getName() const override
|
||||
{
|
||||
return BridgeHelperMixin::getName();
|
||||
}
|
||||
|
||||
const String serviceAlias() const override
|
||||
{
|
||||
return BridgeHelperMixin::serviceAlias();
|
||||
}
|
||||
|
||||
const String configPrefix() const override
|
||||
{
|
||||
return BridgeHelperMixin::configPrefix();
|
||||
}
|
||||
|
||||
const Poco::URI & pingURL() const override
|
||||
{
|
||||
return ping_url;
|
||||
}
|
||||
|
||||
const Context & getContext() const override
|
||||
{
|
||||
return context;
|
||||
}
|
||||
|
||||
Poco::Logger * getLog() const override
|
||||
{
|
||||
return log;
|
||||
}
|
||||
|
||||
const Poco::Util::AbstractConfiguration & getConfig() const override
|
||||
{
|
||||
return config;
|
||||
}
|
||||
|
||||
const Poco::Timespan getHTTPTimeout() const override
|
||||
{
|
||||
return http_timeout;
|
||||
}
|
||||
|
||||
bool startBridgeManually() const override
|
||||
{
|
||||
return BridgeHelperMixin::startBridgeManually();
|
||||
}
|
||||
|
||||
void startBridge(std::unique_ptr<ShellCommand> cmd) const override
|
||||
{
|
||||
context.addXDBCBridgeCommand(std::move(cmd));
|
||||
}
|
||||
|
||||
IdentifierQuotingStyle getIdentifierQuotingStyle() override
|
||||
{
|
||||
if (!quote_style.has_value())
|
||||
@ -166,38 +221,6 @@ public:
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Performs spawn of external daemon
|
||||
*/
|
||||
void startBridgeSync() const override
|
||||
{
|
||||
if (!checkBridgeIsRunning())
|
||||
{
|
||||
LOG_TRACE(log, "{} is not running, will try to start it", BridgeHelperMixin::serviceAlias());
|
||||
startBridge();
|
||||
bool started = false;
|
||||
|
||||
uint64_t milliseconds_to_wait = 10; /// Exponential backoff
|
||||
uint64_t counter = 0;
|
||||
while (milliseconds_to_wait < 10000)
|
||||
{
|
||||
++counter;
|
||||
LOG_TRACE(log, "Checking {} is running, try {}", BridgeHelperMixin::serviceAlias(), counter);
|
||||
if (checkBridgeIsRunning())
|
||||
{
|
||||
started = true;
|
||||
break;
|
||||
}
|
||||
std::this_thread::sleep_for(std::chrono::milliseconds(milliseconds_to_wait));
|
||||
milliseconds_to_wait *= 2;
|
||||
}
|
||||
|
||||
if (!started)
|
||||
throw Exception(BridgeHelperMixin::getName() + "BridgeHelper: " + BridgeHelperMixin::serviceAlias() + " is not responding",
|
||||
ErrorCodes::EXTERNAL_SERVER_IS_NOT_RESPONDING);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* URI to fetch the data from external service
|
||||
*/
|
||||
@ -228,52 +251,35 @@ protected:
|
||||
return uri;
|
||||
}
|
||||
|
||||
private:
|
||||
bool checkBridgeIsRunning() const
|
||||
{
|
||||
try
|
||||
{
|
||||
ReadWriteBufferFromHTTP buf(
|
||||
ping_url, Poco::Net::HTTPRequest::HTTP_GET, {}, ConnectionTimeouts::getHTTPTimeouts(context));
|
||||
return checkString(XDBCBridgeHelper::PING_OK_ANSWER, buf);
|
||||
}
|
||||
catch (...)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/* Contains logic for instantiation of the bridge instance */
|
||||
void startBridge() const
|
||||
{
|
||||
auto cmd = BridgeHelperMixin::startBridge(config, log, http_timeout);
|
||||
context.addXDBCBridgeCommand(std::move(cmd));
|
||||
}
|
||||
};
|
||||
|
||||
struct JDBCBridgeMixin
|
||||
{
|
||||
static constexpr inline auto DEFAULT_PORT = 9019;
|
||||
|
||||
static const String configPrefix()
|
||||
{
|
||||
return "jdbc_bridge";
|
||||
}
|
||||
|
||||
static const String serviceAlias()
|
||||
{
|
||||
return "clickhouse-jdbc-bridge";
|
||||
}
|
||||
|
||||
static const String getName()
|
||||
{
|
||||
return "JDBC";
|
||||
}
|
||||
|
||||
static AccessType getSourceAccessType()
|
||||
{
|
||||
return AccessType::JDBC;
|
||||
}
|
||||
|
||||
static std::unique_ptr<ShellCommand> startBridge(const Poco::Util::AbstractConfiguration &, const Poco::Logger *, const Poco::Timespan &)
|
||||
static bool startBridgeManually()
|
||||
{
|
||||
throw Exception("jdbc-bridge is not running. Please, start it manually", ErrorCodes::EXTERNAL_SERVER_IS_NOT_RESPONDING);
|
||||
return true;
|
||||
}
|
||||
};
|
||||
|
||||
@ -285,67 +291,25 @@ struct ODBCBridgeMixin
|
||||
{
|
||||
return "odbc_bridge";
|
||||
}
|
||||
|
||||
static const String serviceAlias()
|
||||
{
|
||||
return "clickhouse-odbc-bridge";
|
||||
}
|
||||
|
||||
static const String getName()
|
||||
{
|
||||
return "ODBC";
|
||||
}
|
||||
|
||||
static AccessType getSourceAccessType()
|
||||
{
|
||||
return AccessType::ODBC;
|
||||
}
|
||||
|
||||
static std::unique_ptr<ShellCommand> startBridge(
|
||||
const Poco::Util::AbstractConfiguration & config, Poco::Logger * log, const Poco::Timespan & http_timeout)
|
||||
static bool startBridgeManually()
|
||||
{
|
||||
/// Path to executable folder
|
||||
Poco::Path path{config.getString("application.dir", "/usr/bin")};
|
||||
|
||||
std::vector<std::string> cmd_args;
|
||||
path.setFileName("clickhouse-odbc-bridge");
|
||||
|
||||
#if !CLICKHOUSE_SPLIT_BINARY
|
||||
cmd_args.push_back("odbc-bridge");
|
||||
#endif
|
||||
|
||||
cmd_args.push_back("--http-port");
|
||||
cmd_args.push_back(std::to_string(config.getUInt(configPrefix() + ".port", DEFAULT_PORT)));
|
||||
cmd_args.push_back("--listen-host");
|
||||
cmd_args.push_back(config.getString(configPrefix() + ".listen_host", XDBCBridgeHelper<ODBCBridgeMixin>::DEFAULT_HOST));
|
||||
cmd_args.push_back("--http-timeout");
|
||||
cmd_args.push_back(std::to_string(http_timeout.totalMicroseconds()));
|
||||
if (config.has("logger." + configPrefix() + "_log"))
|
||||
{
|
||||
cmd_args.push_back("--log-path");
|
||||
cmd_args.push_back(config.getString("logger." + configPrefix() + "_log"));
|
||||
}
|
||||
if (config.has("logger." + configPrefix() + "_errlog"))
|
||||
{
|
||||
cmd_args.push_back("--err-log-path");
|
||||
cmd_args.push_back(config.getString("logger." + configPrefix() + "_errlog"));
|
||||
}
|
||||
if (config.has("logger." + configPrefix() + "_stdout"))
|
||||
{
|
||||
cmd_args.push_back("--stdout-path");
|
||||
cmd_args.push_back(config.getString("logger." + configPrefix() + "_stdout"));
|
||||
}
|
||||
if (config.has("logger." + configPrefix() + "_stderr"))
|
||||
{
|
||||
cmd_args.push_back("--stderr-path");
|
||||
cmd_args.push_back(config.getString("logger." + configPrefix() + "_stderr"));
|
||||
}
|
||||
if (config.has("logger." + configPrefix() + "_level"))
|
||||
{
|
||||
cmd_args.push_back("--log-level");
|
||||
cmd_args.push_back(config.getString("logger." + configPrefix() + "_level"));
|
||||
}
|
||||
|
||||
LOG_TRACE(log, "Starting {}", serviceAlias());
|
||||
|
||||
return ShellCommand::executeDirect(path.toString(), cmd_args, true);
|
||||
return false;
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user