ClickHouse/libs/libloggers/loggers/Loggers.cpp
2019-09-03 22:58:15 +03:00

189 lines
7.6 KiB
C++

#include "Loggers.h"
#include <iostream>
#include <Poco/SyslogChannel.h>
#include <Poco/Util/AbstractConfiguration.h>
#include "OwnFormattingChannel.h"
#include "OwnPatternFormatter.h"
#include <Poco/ConsoleChannel.h>
#include <Poco/File.h>
#include <Poco/Logger.h>
#include <Poco/Net/RemoteSyslogChannel.h>
#include <Poco/Path.h>
namespace DB
{
class SensitiveDataMasker;
}
// TODO: move to libcommon
static std::string createDirectory(const std::string & file)
{
auto path = Poco::Path(file).makeParent();
if (path.toString().empty())
return "";
Poco::File(path).createDirectories();
return path.toString();
};
void Loggers::setTextLog(std::shared_ptr<DB::TextLog> log)
{
text_log = log;
}
void Loggers::buildLoggers(Poco::Util::AbstractConfiguration & config, Poco::Logger & logger /*_root*/, const std::string & cmd_name)
{
if (split)
if (auto log = text_log.lock())
split->addTextLog(log);
auto current_logger = config.getString("logger", "");
if (config_logger == current_logger)
return;
config_logger = current_logger;
bool is_daemon = config.getBool("application.runAsDaemon", false);
/// Split logs to ordinary log, error log, syslog and console.
/// Use extended interface of Channel for more comprehensive logging.
split = new DB::OwnSplitChannel();
auto log_level = config.getString("logger.level", "trace");
const auto log_path = config.getString("logger.log", "");
if (!log_path.empty())
{
createDirectory(log_path);
std::cerr << "Logging " << log_level << " to " << log_path << std::endl;
// Set up two channel chains.
log_file = new Poco::FileChannel;
log_file->setProperty(Poco::FileChannel::PROP_PATH, Poco::Path(log_path).absolute().toString());
log_file->setProperty(Poco::FileChannel::PROP_ROTATION, config.getRawString("logger.size", "100M"));
log_file->setProperty(Poco::FileChannel::PROP_ARCHIVE, "number");
log_file->setProperty(Poco::FileChannel::PROP_COMPRESS, config.getRawString("logger.compress", "true"));
log_file->setProperty(Poco::FileChannel::PROP_PURGECOUNT, config.getRawString("logger.count", "1"));
log_file->setProperty(Poco::FileChannel::PROP_FLUSH, config.getRawString("logger.flush", "true"));
log_file->setProperty(Poco::FileChannel::PROP_ROTATEONOPEN, config.getRawString("logger.rotateOnOpen", "false"));
log_file->open();
Poco::AutoPtr<OwnPatternFormatter> pf = new OwnPatternFormatter(this);
Poco::AutoPtr<DB::OwnFormattingChannel> log = new DB::OwnFormattingChannel(pf, log_file);
split->addChannel(log);
}
const auto errorlog_path = config.getString("logger.errorlog", "");
if (!errorlog_path.empty())
{
createDirectory(errorlog_path);
std::cerr << "Logging errors to " << errorlog_path << std::endl;
error_log_file = new Poco::FileChannel;
error_log_file->setProperty(Poco::FileChannel::PROP_PATH, Poco::Path(errorlog_path).absolute().toString());
error_log_file->setProperty(Poco::FileChannel::PROP_ROTATION, config.getRawString("logger.size", "100M"));
error_log_file->setProperty(Poco::FileChannel::PROP_ARCHIVE, "number");
error_log_file->setProperty(Poco::FileChannel::PROP_COMPRESS, config.getRawString("logger.compress", "true"));
error_log_file->setProperty(Poco::FileChannel::PROP_PURGECOUNT, config.getRawString("logger.count", "1"));
error_log_file->setProperty(Poco::FileChannel::PROP_FLUSH, config.getRawString("logger.flush", "true"));
error_log_file->setProperty(Poco::FileChannel::PROP_ROTATEONOPEN, config.getRawString("logger.rotateOnOpen", "false"));
Poco::AutoPtr<OwnPatternFormatter> pf = new OwnPatternFormatter(this);
Poco::AutoPtr<DB::OwnFormattingChannel> errorlog = new DB::OwnFormattingChannel(pf, error_log_file);
errorlog->setLevel(Poco::Message::PRIO_NOTICE);
errorlog->open();
split->addChannel(errorlog);
}
/// "dynamic_layer_selection" is needed only for Yandex.Metrika, that share part of ClickHouse code.
/// We don't need this configuration parameter.
if (config.getBool("logger.use_syslog", false) || config.getBool("dynamic_layer_selection", false))
{
//const std::string & cmd_name = commandName();
if (config.has("logger.syslog.address"))
{
syslog_channel = new Poco::Net::RemoteSyslogChannel();
// syslog address
syslog_channel->setProperty(Poco::Net::RemoteSyslogChannel::PROP_LOGHOST, config.getString("logger.syslog.address"));
if (config.has("logger.syslog.hostname"))
{
syslog_channel->setProperty(Poco::Net::RemoteSyslogChannel::PROP_HOST, config.getString("logger.syslog.hostname"));
}
syslog_channel->setProperty(Poco::Net::RemoteSyslogChannel::PROP_FORMAT, config.getString("logger.syslog.format", "syslog"));
syslog_channel->setProperty(
Poco::Net::RemoteSyslogChannel::PROP_FACILITY, config.getString("logger.syslog.facility", "LOG_USER"));
}
else
{
syslog_channel = new Poco::SyslogChannel();
syslog_channel->setProperty(Poco::SyslogChannel::PROP_NAME, cmd_name);
syslog_channel->setProperty(Poco::SyslogChannel::PROP_OPTIONS, config.getString("logger.syslog.options", "LOG_CONS|LOG_PID"));
syslog_channel->setProperty(Poco::SyslogChannel::PROP_FACILITY, config.getString("logger.syslog.facility", "LOG_DAEMON"));
}
syslog_channel->open();
Poco::AutoPtr<OwnPatternFormatter> pf = new OwnPatternFormatter(this, OwnPatternFormatter::ADD_LAYER_TAG);
Poco::AutoPtr<DB::OwnFormattingChannel> log = new DB::OwnFormattingChannel(pf, syslog_channel);
split->addChannel(log);
}
if (config.getBool("logger.console", false)
|| (!config.hasProperty("logger.console") && !is_daemon && (isatty(STDIN_FILENO) || isatty(STDERR_FILENO))))
{
Poco::AutoPtr<DB::OwnFormattingChannel> log = new DB::OwnFormattingChannel(new OwnPatternFormatter(this), new Poco::ConsoleChannel);
logger.warning("Logging " + log_level + " to console");
split->addChannel(log);
}
split->open();
logger.close();
logger.setChannel(split);
// Global logging level (it can be overridden for specific loggers).
logger.setLevel(log_level);
// Set level to all already created loggers
std::vector<std::string> names;
//logger_root = Logger::root();
logger.root().names(names);
for (const auto & name : names)
logger.root().get(name).setLevel(log_level);
// Attach to the root logger.
logger.root().setLevel(log_level);
logger.root().setChannel(logger.getChannel());
// Explicitly specified log levels for specific loggers.
Poco::Util::AbstractConfiguration::Keys levels;
config.keys("logger.levels", levels);
if (!levels.empty())
for (const auto & level : levels)
logger.root().get(level).setLevel(config.getString("logger.levels." + level, "trace"));
}
void Loggers::setLoggerSensitiveDataMasker(Poco::Logger & logger, DB::SensitiveDataMasker * sensitive_data_masker)
{
if (auto split = dynamic_cast<DB::OwnSplitChannel *>(logger.getChannel()))
{
split->setMasker(sensitive_data_masker);
}
}
void Loggers::closeLogs(Poco::Logger & logger)
{
if (log_file)
log_file->close();
if (error_log_file)
error_log_file->close();
// Shouldn't syslog_channel be closed here too?
if (!log_file)
logger.warning("Logging to console but received signal to close log file (ignoring).");
}