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/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "livestatus/livestatuslogutility.hpp"
#include "icinga/service.hpp"
#include "icinga/host.hpp"
#include "icinga/user.hpp"
#include "icinga/checkcommand.hpp"
#include "icinga/eventcommand.hpp"
#include "icinga/notificationcommand.hpp"
#include "base/utility.hpp"
#include "base/convert.hpp"
#include "base/logger.hpp"
#include <boost/algorithm/string.hpp>
#include <boost/algorithm/string/replace.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include <fstream>
using namespace icinga;
void LivestatusLogUtility::CreateLogIndex(const String& path, std::map<time_t, String>& index)
{
Utility::Glob(path + "/icinga.log", [&index](const String& newPath) { CreateLogIndexFileHandler(newPath, index); }, GlobFile);
Utility::Glob(path + "/archives/*.log", [&index](const String& newPath) { CreateLogIndexFileHandler(newPath, index); }, GlobFile);
}
void LivestatusLogUtility::CreateLogIndexFileHandler(const String& path, std::map<time_t, String>& index)
{
std::ifstream stream;
stream.open(path.CStr(), std::ifstream::in);
if (!stream)
BOOST_THROW_EXCEPTION(std::runtime_error("Could not open log file: " + path));
/* read the first bytes to get the timestamp: [123456789] */
char buffer[12];
stream.read(buffer, 12);
if (buffer[0] != '[' || buffer[11] != ']') {
/* this can happen for directories too, silently ignore them */
return;
}
/* extract timestamp */
buffer[11] = 0;
time_t ts_start = atoi(buffer+1);
stream.close();
Log(LogDebug, "LivestatusLogUtility")
<< "Indexing log file: '" << path << "' with timestamp start: '" << ts_start << "'.";
index[ts_start] = path;
}
void LivestatusLogUtility::CreateLogCache(std::map<time_t, String> index, HistoryTable *table,
time_t from, time_t until, const AddRowFunction& addRowFn)
{
ASSERT(table);
/* m_LogFileIndex map tells which log files are involved ordered by their start timestamp */
unsigned long line_count = 0;
for (const auto& kv : index) {
unsigned int ts = kv.first;
/* skip log files not in range (performance optimization) */
if (ts < from || ts > until)
continue;
String log_file = index[ts];
int lineno = 0;
std::ifstream fp;
fp.exceptions(std::ifstream::badbit);
fp.open(log_file.CStr(), std::ifstream::in);
while (fp.good()) {
std::string line;
std::getline(fp, line);
if (line.empty())
continue; /* Ignore empty lines */
Dictionary::Ptr log_entry_attrs = LivestatusLogUtility::GetAttributes(line);
/* no attributes available - invalid log line */
if (!log_entry_attrs) {
Log(LogDebug, "LivestatusLogUtility")
<< "Skipping invalid log line: '" << line << "'.";
continue;
}
table->UpdateLogEntries(log_entry_attrs, line_count, lineno, addRowFn);
line_count++;
lineno++;
}
fp.close();
}
}
Dictionary::Ptr LivestatusLogUtility::GetAttributes(const String& text)
{
Dictionary::Ptr bag = new Dictionary();
/*
* [1379025342] SERVICE NOTIFICATION: contactname;hostname;servicedesc;WARNING;true;foo output
*/
unsigned long time = atoi(text.SubStr(1, 11).CStr());
Log(LogDebug, "LivestatusLogUtility")
<< "Processing log line: '" << text << "'.";
bag->Set("time", time);
size_t colon = text.FindFirstOf(':');
size_t colon_offset = colon - 13;
String type = String(text.SubStr(13, colon_offset)).Trim();
String options = String(text.SubStr(colon + 1)).Trim();
bag->Set("type", type);
bag->Set("options", options);
std::vector<String> tokens = options.Split(";");
/* set default values */
bag->Set("class", LogEntryClassInfo);
bag->Set("log_type", 0);
bag->Set("state", 0);
bag->Set("attempt", 0);
bag->Set("message", text); /* used as 'message' in log table, and 'log_output' in statehist table */
if (type.Contains("INITIAL HOST STATE") ||
type.Contains("CURRENT HOST STATE") ||
type.Contains("HOST ALERT")) {
if (tokens.size() < 5)
return bag;
bag->Set("host_name", tokens[0]);
bag->Set("state", Host::StateFromString(tokens[1]));
bag->Set("state_type", tokens[2]);
bag->Set("attempt", atoi(tokens[3].CStr()));
bag->Set("plugin_output", tokens[4]);
if (type.Contains("INITIAL HOST STATE")) {
bag->Set("class", LogEntryClassState);
bag->Set("log_type", LogEntryTypeHostInitialState);
}
else if (type.Contains("CURRENT HOST STATE")) {
bag->Set("class", LogEntryClassState);
bag->Set("log_type", LogEntryTypeHostCurrentState);
}
else {
bag->Set("class", LogEntryClassAlert);
bag->Set("log_type", LogEntryTypeHostAlert);
}
return bag;
} else if (type.Contains("HOST DOWNTIME ALERT") || type.Contains("HOST FLAPPING ALERT")) {
if (tokens.size() < 3)
return bag;
bag->Set("host_name", tokens[0]);
bag->Set("state_type", tokens[1]);
bag->Set("comment", tokens[2]);
if (type.Contains("HOST FLAPPING ALERT")) {
bag->Set("class", LogEntryClassAlert);
bag->Set("log_type", LogEntryTypeHostFlapping);
} else {
bag->Set("class", LogEntryClassAlert);
bag->Set("log_type", LogEntryTypeHostDowntimeAlert);
}
return bag;
} else if (type.Contains("INITIAL SERVICE STATE") ||
type.Contains("CURRENT SERVICE STATE") ||
type.Contains("SERVICE ALERT")) {
if (tokens.size() < 6)
return bag;
bag->Set("host_name", tokens[0]);
bag->Set("service_description", tokens[1]);
bag->Set("state", Service::StateFromString(tokens[2]));
bag->Set("state_type", tokens[3]);
bag->Set("attempt", atoi(tokens[4].CStr()));
bag->Set("plugin_output", tokens[5]);
if (type.Contains("INITIAL SERVICE STATE")) {
bag->Set("class", LogEntryClassState);
bag->Set("log_type", LogEntryTypeServiceInitialState);
}
else if (type.Contains("CURRENT SERVICE STATE")) {
bag->Set("class", LogEntryClassState);
bag->Set("log_type", LogEntryTypeServiceCurrentState);
}
else {
bag->Set("class", LogEntryClassAlert);
bag->Set("log_type", LogEntryTypeServiceAlert);
}
return bag;
} else if (type.Contains("SERVICE DOWNTIME ALERT") ||
type.Contains("SERVICE FLAPPING ALERT")) {
if (tokens.size() < 4)
return bag;
bag->Set("host_name", tokens[0]);
bag->Set("service_description", tokens[1]);
bag->Set("state_type", tokens[2]);
bag->Set("comment", tokens[3]);
if (type.Contains("SERVICE FLAPPING ALERT")) {
bag->Set("class", LogEntryClassAlert);
bag->Set("log_type", LogEntryTypeServiceFlapping);
} else {
bag->Set("class", LogEntryClassAlert);
bag->Set("log_type", LogEntryTypeServiceDowntimeAlert);
}
return bag;
} else if (type.Contains("TIMEPERIOD TRANSITION")) {
if (tokens.size() < 4)
return bag;
bag->Set("class", LogEntryClassState);
bag->Set("log_type", LogEntryTypeTimeperiodTransition);
bag->Set("host_name", tokens[0]);
bag->Set("service_description", tokens[1]);
bag->Set("state_type", tokens[2]);
bag->Set("comment", tokens[3]);
} else if (type.Contains("HOST NOTIFICATION")) {
if (tokens.size() < 6)
return bag;
bag->Set("contact_name", tokens[0]);
bag->Set("host_name", tokens[1]);
bag->Set("state_type", tokens[2].CStr());
bag->Set("state", Service::StateFromString(tokens[3]));
bag->Set("command_name", tokens[4]);
bag->Set("plugin_output", tokens[5]);
bag->Set("class", LogEntryClassNotification);
bag->Set("log_type", LogEntryTypeHostNotification);
return bag;
} else if (type.Contains("SERVICE NOTIFICATION")) {
if (tokens.size() < 7)
return bag;
bag->Set("contact_name", tokens[0]);
bag->Set("host_name", tokens[1]);
bag->Set("service_description", tokens[2]);
bag->Set("state_type", tokens[3].CStr());
bag->Set("state", Service::StateFromString(tokens[4]));
bag->Set("command_name", tokens[5]);
bag->Set("plugin_output", tokens[6]);
bag->Set("class", LogEntryClassNotification);
bag->Set("log_type", LogEntryTypeServiceNotification);
return bag;
} else if (type.Contains("PASSIVE HOST CHECK")) {
if (tokens.size() < 3)
return bag;
bag->Set("host_name", tokens[0]);
bag->Set("state", Host::StateFromString(tokens[1]));
bag->Set("plugin_output", tokens[2]);
bag->Set("class", LogEntryClassPassive);
return bag;
} else if (type.Contains("PASSIVE SERVICE CHECK")) {
if (tokens.size() < 4)
return bag;
bag->Set("host_name", tokens[0]);
bag->Set("service_description", tokens[1]);
bag->Set("state", Host::StateFromString(tokens[2]));
bag->Set("plugin_output", tokens[3]);
bag->Set("class", LogEntryClassPassive);
return bag;
} else if (type.Contains("EXTERNAL COMMAND")) {
bag->Set("class", LogEntryClassCommand);
/* string processing not implemented in 1.x */
return bag;
} else if (type.Contains("LOG VERSION")) {
bag->Set("class", LogEntryClassProgram);
bag->Set("log_type", LogEntryTypeVersion);
return bag;
} else if (type.Contains("logging initial states")) {
bag->Set("class", LogEntryClassProgram);
bag->Set("log_type", LogEntryTypeInitialStates);
return bag;
} else if (type.Contains("starting... (PID=")) {
bag->Set("class", LogEntryClassProgram);
bag->Set("log_type", LogEntryTypeProgramStarting);
return bag;
}
/* program */
else if (type.Contains("restarting...") ||
type.Contains("shutting down...") ||
type.Contains("Bailing out") ||
type.Contains("active mode...") ||
type.Contains("standby mode...")) {
bag->Set("class", LogEntryClassProgram);
return bag;
}
return bag;
}
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