mirror of
https://github.com/OpenNebula/one.git
synced 2024-12-22 13:33:52 +03:00
399 lines
12 KiB
C++
399 lines
12 KiB
C++
/* -------------------------------------------------------------------------- */
|
|
/* Copyright 2002-2013, OpenNebula Project (OpenNebula.org), C12G Labs */
|
|
/* */
|
|
/* 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_MANAGER_DRIVER_H_
|
|
#define VIRTUAL_MACHINE_MANAGER_DRIVER_H_
|
|
|
|
#include <map>
|
|
#include <string>
|
|
#include <sstream>
|
|
|
|
#include "Mad.h"
|
|
#include "VirtualMachinePool.h"
|
|
|
|
using namespace std;
|
|
|
|
/**
|
|
* VirtualMachineManagerDriver provides a base class to implement VM Manager
|
|
* Drivers. This class implements the protocol and recover functions
|
|
* from the Mad interface. Classes derived from the VirtualMachineManagerDriver
|
|
* must implement the deployment function to generate specific VM
|
|
* deployment information for the unerlying MAD.
|
|
*/
|
|
class VirtualMachineManagerDriver : public Mad
|
|
{
|
|
public:
|
|
|
|
VirtualMachineManagerDriver(
|
|
int userid,
|
|
const map<string,string>& attrs,
|
|
bool sudo,
|
|
VirtualMachinePool * pool);
|
|
|
|
virtual ~VirtualMachineManagerDriver(){};
|
|
|
|
/**
|
|
* Implements the VM Manager driver protocol.
|
|
* @param message the string read from the driver
|
|
*/
|
|
void protocol(const string& message) const;
|
|
|
|
/**
|
|
* TODO: What do we need here? just poll the active VMs to recover
|
|
* connections? Or an specific recover action from the MAD?
|
|
*/
|
|
void recover();
|
|
|
|
/**
|
|
* Generates a driver-specific deployment file:
|
|
* @param vm pointer to a virtual machine
|
|
* @param file_name to generate the deployment description
|
|
* @return 0 on success
|
|
*/
|
|
virtual int deployment_description(
|
|
const VirtualMachine * vm,
|
|
const string& file_name) const = 0;
|
|
|
|
/**
|
|
* Updates the VM with the information gathered by the drivers
|
|
*
|
|
* @param id VM id
|
|
* @param monitor_str String returned by the poll driver call
|
|
*/
|
|
static void process_poll(int id, const string &monitor_str);
|
|
|
|
/**
|
|
* Updates the VM with the information gathered by the drivers
|
|
*
|
|
* @param vm VM to update, must be locked
|
|
* @param monitor_str String returned by the poll driver call
|
|
*/
|
|
static void process_poll(VirtualMachine* vm, const string &monitor_str);
|
|
|
|
protected:
|
|
/**
|
|
* Gets a configuration attr from driver configuration file (single
|
|
* version)
|
|
* @param name of config attribute
|
|
* @param value of the attribute
|
|
*/
|
|
void get_default(
|
|
const char * name,
|
|
string& value) const
|
|
{
|
|
string sn = name;
|
|
|
|
driver_conf.get(sn,value);
|
|
}
|
|
|
|
/**
|
|
* Gets a configuration attr from driver configuration file (vector
|
|
* version)
|
|
* @param name of config vector attribute for the domain
|
|
* @param vname of the attribute
|
|
* @param value of the attribute
|
|
*/
|
|
void get_default(
|
|
const char * name,
|
|
const char * vname,
|
|
string& value) const;
|
|
|
|
/**
|
|
* Gets a configuration attr from driver configuration file (vector
|
|
* version)
|
|
* @param name of config vector attribute for the domain
|
|
* @param vname of the attribute
|
|
* @param value of the attribute
|
|
*
|
|
* @return true if the attribute was found
|
|
*/
|
|
bool get_default(
|
|
const char * name,
|
|
const char * vname,
|
|
bool& value) const;
|
|
|
|
private:
|
|
/**
|
|
* Configuration file for the driver
|
|
*/
|
|
Template driver_conf;
|
|
|
|
/**
|
|
* Pointer to the Virtual Machine Pool, to access VMs
|
|
*/
|
|
VirtualMachinePool * vmpool;
|
|
|
|
friend class VirtualMachineManager;
|
|
|
|
/**
|
|
* Sends a deploy request to the MAD: "DEPLOY ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void deploy (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("DEPLOY", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Sends a shutdown request to the MAD: "SHUTDOWN ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void shutdown (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("SHUTDOWN", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Sends a reset request to the MAD: "RESET ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void reset (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("RESET", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Sends a reboot request to the MAD: "REBOOT ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void reboot (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("REBOOT", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Sends a cancel request to the MAD: "CANCEL ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void cancel (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("CANCEL", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Sends a cleanup request to the MAD: "CLEANUP ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void cleanup (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("CLEANUP", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Sends a checkpoint request to the MAD: "CHECKPOINT ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void checkpoint (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("CHECKPOINT", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Sends a save request to the MAD: "SAVE ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void save (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("SAVE", oid, drv_msg);
|
|
}
|
|
|
|
|
|
/**
|
|
* Sends a save request to the MAD: "RESTORE ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void restore (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("RESTORE", oid, drv_msg);
|
|
}
|
|
|
|
|
|
/**
|
|
* Sends a migrate request to the MAD: "MIGRATE ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void migrate (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("MIGRATE", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Sends a poll request to the MAD: "POLL ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void poll (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("POLL", oid, drv_msg);
|
|
|
|
}
|
|
|
|
/**
|
|
* Sends an attach request to the MAD: "ATTACHDISK ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void attach (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("ATTACHDISK", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Sends a detach request to the MAD: "DETACHDISK ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void detach (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("DETACHDISK", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Sends an attach NIC request to the MAD: "ATTACHNIC ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void attach_nic (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("ATTACHNIC", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Sends a detach request to the MAD: "DETACHNIC ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void detach_nic (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("DETACHNIC", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Sends a snapshot create request to the MAD:
|
|
* "SNAPSHOTCREATE ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void snapshot_create (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("SNAPSHOTCREATE", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Sends a snapshot revert request to the MAD:
|
|
* "SNAPSHOTREVERT ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void snapshot_revert (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("SNAPSHOTREVERT", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Sends a snapshot delete request to the MAD:
|
|
* "SNAPSHOTDELETE ID XML_DRV_MSG"
|
|
* @param oid the virtual machine id.
|
|
* @param drv_msg xml data for the mad operation
|
|
*/
|
|
void snapshot_delete (
|
|
const int oid,
|
|
const string& drv_msg) const
|
|
{
|
|
write_drv("SNAPSHOTDELETE", oid, drv_msg);
|
|
}
|
|
|
|
/**
|
|
* Gets VM information from the driver answer
|
|
* @param monitor_str from the driver
|
|
* @param memory Kilobytes used by the VM (total)
|
|
* @param cpu used by the VM (rate)
|
|
* @param net_tx transmitted bytes (total)
|
|
* @param net_rx received bytes (total)
|
|
* @param state of the vm
|
|
* @param custom monitor information
|
|
*/
|
|
static int parse_vm_info(
|
|
const string& monitor_str,
|
|
int &cpu,
|
|
int &memory,
|
|
long long &net_tx,
|
|
long long &net_rx,
|
|
char &state,
|
|
map<string,string> &custom);
|
|
|
|
/**
|
|
*
|
|
*/
|
|
void write_drv(const char * aname, const int oid, const string& msg) const
|
|
{
|
|
ostringstream os;
|
|
|
|
os << aname << " " << oid << " " << msg << endl;
|
|
|
|
write(os);
|
|
}
|
|
};
|
|
|
|
/* -------------------------------------------------------------------------- */
|
|
/* -------------------------------------------------------------------------- */
|
|
|
|
#endif /*VIRTUAL_MACHINE_MANAGER_DRIVER_H_*/
|