icinga2/lib/cli/agentupdateconfigcommand.cpp

122 lines
4.6 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2014 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 "cli/agentupdateconfigcommand.hpp"
#include "cli/agentutility.hpp"
#include "cli/repositoryutility.hpp"
#include "base/logger.hpp"
#include "base/application.hpp"
#include "base/objectlock.hpp"
#include <boost/foreach.hpp>
#include <boost/algorithm/string/join.hpp>
#include <boost/algorithm/string/replace.hpp>
#include <iostream>
#include <fstream>
#include <vector>
using namespace icinga;
namespace po = boost::program_options;
REGISTER_CLICOMMAND("agent/update-config", AgentUpdateConfigCommand);
String AgentUpdateConfigCommand::GetDescription(void) const
{
return "Update Icinga 2 agent config.";
}
String AgentUpdateConfigCommand::GetShortDescription(void) const
{
return "update agent config";
}
ImpersonationLevel AgentUpdateConfigCommand::GetImpersonationLevel(void) const
{
return ImpersonateRoot;
}
/**
* The entry point for the "agent update-config" CLI command.
*
* @returns An exit status.
*/
int AgentUpdateConfigCommand::Run(const boost::program_options::variables_map& vm, const std::vector<std::string>& ap) const
{
//If there are changes pending, abort the current operation
if (RepositoryUtility::ChangeLogHasPendingChanges()) {
Log(LogWarning, "cli")
<< "There are pending changes for commit.\n"
<< "Please review and commit them using 'icinga2 repository commit [--simulate]\n"
<< "or drop them using 'icinga2 repository commit --clear' before proceeding.";
return 1;
}
Log(LogInformation, "cli")
<< "Updating agent configuration for ";
AgentUtility::PrintAgents(std::cout);
BOOST_FOREACH(const Dictionary::Ptr& agent, AgentUtility::GetAgents()) {
Dictionary::Ptr repository = agent->Get("repository");
String zone = agent->Get("zone");
ObjectLock olock(repository);
BOOST_FOREACH(const Dictionary::Pair& kv, repository) {
String host = kv.first;
/* add a new host to the config repository */
Dictionary::Ptr host_attrs = make_shared<Dictionary>();
host_attrs->Set("check_command", "dummy"); //TODO: add a repository-host template
host_attrs->Set("zone", zone);
if (!RepositoryUtility::AddObject(host, "Host", host_attrs)) {
Log(LogCritical, "cli")
<< "Cannot add agent host '" << host << "' to the config repository!\n";
continue;
}
Array::Ptr services = kv.second;
ObjectLock xlock(services);
BOOST_FOREACH(const String& service, services) {
/* add a new service for this host to the config repository */
Dictionary::Ptr service_attrs = make_shared<Dictionary>();
service_attrs->Set("host_name", host); //Required for host-service relation
service_attrs->Set("check_command", "dummy"); //TODO: add a repository-service template
service_attrs->Set("zone", zone);
if (!RepositoryUtility::AddObject(service, "Service", service_attrs)) {
Log(LogCritical, "cli")
<< "Cannot add agent host '" << host << "' to the config repository!\n";
continue;
}
}
}
}
Log(LogInformation, "cli", "Committing agent configuration.");
RepositoryUtility::PrintChangeLog(std::cout);
std::cout << "\n";
RepositoryUtility::CommitChangeLog();
std::cout << "Make sure to reload Icinga 2 for these changes to take effect." << std::endl;
return 0;
}