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one/include/VirtualMachineHook.h
2017-05-25 16:07:35 +02:00

86 lines
3.4 KiB
C++

/* -------------------------------------------------------------------------- */
/* Copyright 2002-2017, OpenNebula Project, OpenNebula Systems */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); you may */
/* not use this file except in compliance with the License. You may obtain */
/* a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
/* See the License for the specific language governing permissions and */
/* limitations under the License. */
/* -------------------------------------------------------------------------- */
#ifndef VIRTUAL_MACHINE_HOOK_H_
#define VIRTUAL_MACHINE_HOOK_H_
#include <vector>
#include <string>
#include "Hook.h"
#include "VirtualMachine.h"
using namespace std;
/**
* This class is a general VM State Hook that executes a command locally or
* remotelly when the VM gets into a given state (one shot). The VirtualMachine
* object is looked when the hook is invoked.
*/
class VirtualMachineStateHook : public Hook
{
public:
// -------------------------------------------------------------------------
// -------------------------------------------------------------------------
/**
* Creates a VirtualMachineStateHook
* @param name of the hook
* @param cmd for the hook
* @param args for the hook
* @param _state the hook will be executed when the VM enters this state
* @param remote the hook will be executed on the target resource
*/
VirtualMachineStateHook(const string& name,
const string& cmd,
const string& args,
bool remote,
VirtualMachine::LcmState _lcm,
VirtualMachine::VmState _vm):
Hook(name, cmd, args, Hook::UPDATE | Hook::ALLOCATE, remote),
lcm(_lcm),
vm(_vm){};
~VirtualMachineStateHook(){};
// -------------------------------------------------------------------------
// Hook methods
// -------------------------------------------------------------------------
void do_hook(void *arg);
/**
* Parses the arguments of the hook using: $ID, $TEMPLATE, $PREV_DM_STATE
* and $PREV_LCM_STATE
* @param obj pointer to the object executing the hook for
* @param the resulting parser arguments
*/
void parse_hook_arguments(PoolObjectSQL * obj,
VirtualMachine::VmState prev_dm,
VirtualMachine::LcmState prev_lcm,
string& parsed);
private:
/**
* The target LCM state
*/
VirtualMachine::LcmState lcm;
/**
* The target DM state
*/
VirtualMachine::VmState vm;
};
#endif