1
0
mirror of https://github.com/OpenNebula/one.git synced 2024-12-23 17:33:56 +03:00
one/include/QuotaVirtualMachine.h
Pavel Czerný 8e7ff2ed36
F #6103: Last set of CppCheck issues (#2481)
(cherry picked from commit 4a9662a551)
(cherry picked from commit d7b7303f8f)
2023-02-07 08:56:52 +01:00

134 lines
4.8 KiB
C++

/* -------------------------------------------------------------------------- */
/* Copyright 2002-2023, 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 QUOTA_VIRTUALMACHINE_H_
#define QUOTA_VIRTUALMACHINE_H_
#include "Quota.h"
/**
* VM Quotas, defined as:
* VM = [
* VMS = <Max. number of VMs>
* RUNNING_VMS = <Max. number of RUNNING VMS>
* MEMORY = <Max. number of MB requested by VMs>
* RUNNING_MEMORY = <Max. number of MB requested by RUNNING VMs>
* CPU = <Max. number of CPU units requested by VMs>
* RUNNING_CPU = <Max. number of running CPU units requested by VMs>
* SYSTEM_DISK_SIZE = <Max. number of system disk MB>
* VMS_USED = Current number of VMs
* RUNNING_VMS_USED = Current number of running VMs
* MEMORY_USED = Overall Memory requested
* RUNNING_MEMORY_USED = Overall running Memory requested
* CPU_USED = Overall CPU requested
* RUNNING_CPU_USED = Overall running CPU requested
* SYSTEM_DISK_SIZE_USED = Overall system disk requested
* ]
*
* 0 = unlimited, default if missing
*/
class QuotaVirtualMachine : public Quota
{
public:
QuotaVirtualMachine(bool is_default):
Quota("VM_QUOTA",
"VM",
VM_METRICS,
NUM_VM_METRICS,
is_default)
{};
~QuotaVirtualMachine(){};
/**
* Check if the resource allocation will exceed the quota limits. If not
* the usage counters are updated
* @param tmpl template for the resource
* @param default_quotas Quotas that contain the default limits
* @param error string
* @return true if the operation can be performed
*/
bool check(Template* tmpl, Quotas& default_quotas, std::string& error) override;
/**
* Check if the resource update (change in MEMORY or CPU) will exceed the
* quota limits. If not the usage counters are updated
* @param tmpl with increments in MEMORY and CPU
* @param default_quotas Quotas that contain the default limits
* @param error string
* @return true if the operation can be performed
*/
bool update(Template * tmpl, Quotas& default_quotas, std::string& error) override;
/**
* Decrement usage counters when deallocating image
* @param tmpl template for the resource
*/
void del(Template* tmpl) override;
/**
* Gets a quota, overrides base to not to use ID.
* @param id of the quota, ignored
* @param va The quota
*
* @return a pointer to the quota or 0 if not found
*/
int get_quota(const std::string& id, VectorAttribute **va) override;
protected:
/**
* Gets a quota, overrides base to not to use ID.
*
* @param id of the quota, ignored
* @param va The quota
* @param it The quota iterator, if it is found
*
* @return 0 on success, -1 if not found
*/
int get_quota(
const std::string& id,
VectorAttribute **va,
std::map<std::string, Attribute *>::iterator& it) override
{
it = attributes.begin();
return get_quota(id, va);
}
/**
* Gets the default quota identified by its ID.
*
* @param id of the quota
* @param default_quotas Quotas that contain the default limits
* @param va The quota, if it is found
*
* @return 0 on success, -1 if not found
*/
int get_default_quota(
const std::string& id,
Quotas& default_quotas,
VectorAttribute **va) override;
static const char * VM_METRICS[];
static const int NUM_VM_METRICS;
};
#endif /*QUOTA_VIRTUALMACHINE_H_*/