icinga2/lib/icinga/notification.cpp

272 lines
6.8 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 Icinga Development Team (http://www.icinga.org/) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "i2-icinga.h"
using namespace icinga;
REGISTER_TYPE(Notification);
Notification::Notification(const Dictionary::Ptr& properties)
: DynamicObject(properties)
{
RegisterAttribute("notification_command", Attribute_Config, &m_NotificationCommand);
RegisterAttribute("macros", Attribute_Config, &m_Macros);
RegisterAttribute("users", Attribute_Config, &m_Users);
RegisterAttribute("groups", Attribute_Config, &m_Groups);
RegisterAttribute("host_name", Attribute_Config, &m_HostName);
RegisterAttribute("service", Attribute_Config, &m_Service);
}
Notification::~Notification(void)
{
Service::InvalidateNotificationsCache();
}
/**
* @threadsafety Always.
*/
Notification::Ptr Notification::GetByName(const String& name)
{
DynamicObject::Ptr configObject = DynamicObject::GetObject("Notification", name);
return dynamic_pointer_cast<Notification>(configObject);
}
/**
* @threadsafety Always.
*/
Service::Ptr Notification::GetService(void) const
{
Host::Ptr host = Host::GetByName(m_HostName);
if (!host)
return Service::Ptr();
if (m_Service.IsEmpty())
return host->GetHostCheckService();
else
return host->GetServiceByShortName(m_Service);
}
/**
* @threadsafety Always.
*/
Value Notification::GetNotificationCommand(void) const
{
return m_NotificationCommand;
}
/**
* @threadsafety Always.
*/
Dictionary::Ptr Notification::GetMacros(void) const
{
return m_Macros;
}
/**
* @threadsafety Always.
*/
set<User::Ptr> Notification::GetUsers(void) const
{
set<User::Ptr> result;
Dictionary::Ptr users = m_Users;
if (users) {
ObjectLock olock(users);
String name;
BOOST_FOREACH(tie(tuples::ignore, name), users) {
User::Ptr user = User::GetByName(name);
if (!user)
continue;
result.insert(user);
}
}
return result;
}
/**
* @threadsafety Always.
*/
set<UserGroup::Ptr> Notification::GetGroups(void) const
{
set<UserGroup::Ptr> result;
Dictionary::Ptr groups = m_Groups;
if (groups) {
ObjectLock olock(groups);
String name;
BOOST_FOREACH(tie(tuples::ignore, name), groups) {
UserGroup::Ptr ug = UserGroup::GetByName(name);
if (!ug)
continue;
result.insert(ug);
}
}
return result;
}
/**
* @threadsafety Always.
*/
String Notification::NotificationTypeToString(NotificationType type)
{
switch (type) {
case NotificationDowntimeStart:
return "DOWNTIMESTART";
case NotificationDowntimeEnd:
return "DOWNTIMEEND";
case NotificationDowntimeRemoved:
return "DOWNTIMECANCELLED";
case NotificationCustom:
return "CUSTOM";
case NotificationAcknowledgement:
return "ACKNOWLEDGEMENT";
case NotificationProblem:
return "PROBLEM";
case NotificationRecovery:
return "RECOVERY";
default:
return "UNKNOWN_NOTIFICATION";
}
}
/**
* @threadsafety Always.
*/
void Notification::BeginExecuteNotification(NotificationType type, const Dictionary::Ptr& cr)
{
ASSERT(!OwnsLock());
Dictionary::Ptr macros = cr->Get("macros");
set<User::Ptr> allUsers;
set<User::Ptr> users = GetUsers();
std::copy(users.begin(), users.end(), std::inserter(allUsers, allUsers.begin()));
BOOST_FOREACH(const UserGroup::Ptr& ug, GetGroups()) {
set<User::Ptr> members = ug->GetMembers();
std::copy(members.begin(), members.end(), std::inserter(allUsers, allUsers.begin()));
}
BOOST_FOREACH(const User::Ptr& user, allUsers) {
Logger::Write(LogDebug, "icinga", "Sending notification for user " + user->GetName());
BeginExecuteNotificationHelper(macros, type, user);
}
if (allUsers.empty()) {
/* Send a notification even if there are no users specified. */
BeginExecuteNotificationHelper(macros, type, User::Ptr());
}
}
/**
* @threadsafety Always.
*/
void Notification::BeginExecuteNotificationHelper(const Dictionary::Ptr& notificationMacros, NotificationType type, const User::Ptr& user)
{
ASSERT(!OwnsLock());
vector<Dictionary::Ptr> macroDicts;
if (user) {
macroDicts.push_back(user->GetMacros());
macroDicts.push_back(user->CalculateDynamicMacros());
}
macroDicts.push_back(notificationMacros);
Dictionary::Ptr macros = MacroProcessor::MergeMacroDicts(macroDicts);
Notification::Ptr self = GetSelf();
vector<Value> arguments;
arguments.push_back(self);
arguments.push_back(macros);
arguments.push_back(type);
ScriptTask::Ptr task;
task = MakeMethodTask("notify", arguments);
if (!task) {
Logger::Write(LogWarning, "icinga", "Notification object '" + GetName() + "' doesn't have a 'notify' method.");
return;
}
{
ObjectLock olock(this);
/* We need to keep the task object alive until the completion handler is called. */
m_Tasks.insert(task);
}
task->Start(boost::bind(&Notification::NotificationCompletedHandler, self, _1));
}
/**
* @threadsafety Always.
*/
void Notification::NotificationCompletedHandler(const ScriptTask::Ptr& task)
{
ASSERT(!OwnsLock());
{
ObjectLock olock(this);
m_Tasks.erase(task);
}
try {
task->GetResult();
Logger::Write(LogInformation, "icinga", "Completed sending notification for service '" + GetService()->GetName() + "'");
} catch (const exception& ex) {
stringstream msgbuf;
msgbuf << "Exception occured during notification for service '"
<< GetService()->GetName() << "': " << diagnostic_information(ex);
String message = msgbuf.str();
Logger::Write(LogWarning, "icinga", message);
}
}
/**
* @threadsafety Always.
*/
void Notification::OnAttributeChanged(const String& name)
{
ASSERT(!OwnsLock());
if (name == "host_name" || name == "service")
Service::InvalidateNotificationsCache();
}