icinga2/lib/icinga/usergroup-apply.cpp

117 lines
4.1 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 "icinga/hostgroup.h"
#include "icinga/service.h"
#include "config/configitembuilder.h"
#include "base/initialize.h"
#include "base/dynamictype.h"
#include "base/convert.h"
#include "base/logger_fwd.h"
#include "base/context.h"
#include <boost/foreach.hpp>
using namespace icinga;
INITIALIZE_ONCE(&UserGroup::RegisterApplyRuleHandler);
void UserGroup::RegisterApplyRuleHandler(void)
{
std::vector<String> targets;
targets.push_back("User");
ApplyRule::RegisterType("UserGroup", targets, &UserGroup::EvaluateApplyRules);
}
bool UserGroup::EvaluateApplyRule(const User::Ptr& user, const ApplyRule& rule)
{
DebugInfo di = rule.GetDebugInfo();
std::ostringstream msgbuf;
msgbuf << "Evaluating 'apply' rule (" << di << ")";
CONTEXT(msgbuf.str());
Dictionary::Ptr locals = make_shared<Dictionary>();
locals->Set("user", user);
if (!rule.EvaluateFilter(locals))
return false;
std::ostringstream msgbuf2;
msgbuf2 << "Applying usergroup '" << rule.GetName() << "' to object '" << user->GetName() << "' for rule " << di;
Log(LogDebug, "icinga", msgbuf2.str());
String group_name = rule.GetName();
ConfigItemBuilder::Ptr builder = make_shared<ConfigItemBuilder>(di);
builder->SetType("UserGroup");
builder->SetName(group_name);
builder->SetScope(rule.GetScope());
builder->AddExpression(rule.GetExpression());
UserGroup::Ptr group = UserGroup::GetByName(group_name);
/* if group does not exist, create it only once */
if (!group) {
ConfigItem::Ptr usergroupItem = builder->Compile();
usergroupItem->Register();
DynamicObject::Ptr dobj = usergroupItem->Commit();
group = dynamic_pointer_cast<UserGroup>(dobj);
if (!group) {
Log(LogCritical, "icinga", "Unable to create UserGroup '" + group_name + "' for apply rule.");
return false;
}
Log(LogDebug, "icinga", "UserGroup '" + group_name + "' created for apply rule.");
} else
Log(LogDebug, "icinga", "UserGroup '" + group_name + "' already exists. Skipping apply rule creation.");
/* assign user group membership */
group->AddMember(user);
return true;
}
void UserGroup::EvaluateApplyRules(const std::vector<ApplyRule>& rules)
{
int apply_count = 0;
BOOST_FOREACH(const ApplyRule& rule, rules) {
if (rule.GetTargetType() == "User") {
apply_count = 0;
BOOST_FOREACH(const User::Ptr& user, DynamicType::GetObjects<User>()) {
CONTEXT("Evaluating 'apply' rules for User '" + user->GetName() + "'");
if(EvaluateApplyRule(user, rule))
apply_count++;
}
if (apply_count == 0)
Log(LogWarning, "icinga", "Apply rule '" + rule.GetName() + "' for user does not match anywhere!");
} else {
Log(LogWarning, "icinga", "Wrong target type for apply rule '" + rule.GetName() + "'!");
}
}
}