CN101840346B - Method and system for deploying cloud host computer - Google Patents

Method and system for deploying cloud host computer Download PDF

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Publication number
CN101840346B
CN101840346B CN 200910244182 CN200910244182A CN101840346B CN 101840346 B CN101840346 B CN 101840346B CN 200910244182 CN200910244182 CN 200910244182 CN 200910244182 A CN200910244182 A CN 200910244182A CN 101840346 B CN101840346 B CN 101840346B
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virtual machine
prefabricated
template
terminal node
prefabricated virtual
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CN 200910244182
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Chinese (zh)
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CN101840346A (en
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常晓东
蒋建平
沈启龙
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北京世纪互联宽带数据中心有限公司
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Publication of CN101840346B publication Critical patent/CN101840346B/en

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Abstract

The invention discloses a method and a system for deploying a cloud host computer. The method comprises the following steps of: establishing a virtual machine object according to a virtual machine establishing request of a user; modifying the attribute of the virtual machine object; converting the virtual machine object into a template data file; copying the template data file and creating a preset amount of pre-manufactured virtual machines; and receiving addresses and public key setting of the pre-manufactured virtual machines and enabling one of the pre-manufactured virtual machines. The method and the system for deploying the cloud host computer have the advantages of overcoming the disadvantages that the current cloud host deployment entirely depends on manual operation, production rate is low and maintenance cost is high, solving the problem of high error probability of the manual deployment of the cloud machine, and meeting the requirements of quickly deploying the cloud host machine and acquiring enough computing power.

Description

The method and system of deploying cloud host computer

Technical field

The present invention relates to virtual machine (VM, Virtual Machine) technical field, relate in particular to a kind of method and system of deploying cloud host computer.

Background technology

Cloud computing is a kind of according to user's request, obtain the computation schema of computational resource (as network, server, memory device and application service etc.) by network expediently, these resources can be from shared, a configurable resource pool, and can obtain rapidly and discharge.The pattern of employing cloud computing can improve the availability of counting yield and resource.

By the cloud computing pattern, the client can as required, automatically obtain computing power, for example server computing time and the network storage, and do not need to carry out artificial mutual (being the Self-Service characteristic as required of cloud mode) with the service provider.Computing power can conduct interviews by network standard mechanism, makes various clients (as mobile phone, portable computer or PDA) all can use (the extensive access characteristic of network that is cloud mode).The service provider provides various services by many tenants pattern for the client with resource poolization, and dynamically provides physics or virtualized resource according to client's demand.The user of cloud mode can be quick, flexible the service that provides of acquisition service provider, under certain conditions can robotization obtain, its scale can enlarge or dwindle fast.For the customer, deliverability is seemingly unlimited, can buy arbitrarily, buys at any time (being the quick elasticity of cloud mode).Cloud system carries out suitable abstract to service (storage, processing power, bandwidth, active user account), and service metering ability is provided, and usage-based billing is with automatic control and optimize the resource operating position.

The cloud computing pattern provides three kinds of service modes: the SaaS pattern (Cloud Software as aService) provide the ability that runs on the application program on the cloud infrastructure for the client.This application program can be by various clients (as the web browser) visits, the cloud infrastructure of the uncontrollable and management bottom of client.PaaS pattern (Cloud Platform as a Service) provides client's oneself for the client or the APD bought is deployed to the ability of cloud infrastructure.This application program is the programming tool supported by the service provider or language compilation.The client can't manage and control the cloud infrastructure of bottom, but application program and the application configuration surroundings that can draw oneself up and dispose.IaaS pattern (Cloud Infrastructure as a Service) is for the client provides processing power, storage capacity, network and basic calculating resource, and the client can use the software of this resource deployment or operation oneself, as operating system or application program.The client can't manage and control the cloud infrastructure of bottom, but can the control operation system, the application program of storage, deployment, or limited networking component control.

The cloud computing pattern can adopt four kinds of deployment modes: the cloud infrastructure of privately owned cloud can also can be entrusted the third party to manage by these organization and administration for the independent running of certain tissue.These cloud infrastructure can also can be used as stand-by equipment for the production of environment.The cloud infrastructure of community's cloud is shared by several tissue, has the community of joint demand to support certain.Community's cloud can also can be entrusted the third party to manage by these organization and administration.These cloud infrastructure can also can be used as stand-by equipment for the production of environment.The cloud infrastructure of publicly-owned cloud provides service for the public or industrial group that certain is big, and it belongs to certain sale or the tissue of cloud service is provided.The cloud infrastructure of comprehensive cloud is formed by two or more relatively independent cloud (as privately owned cloud, community's cloud or total cloud) groups, but in order to obtain data and portability of application programs, and certain standard or the technology that adopt bind together them.

The cloud main frame is to adopt Intel Virtualization Technology that the product of the IaaS mode service of cloud computing is provided.The cloud main frame has resource utilization height, high availability (HA, High Availability), the resilient expansion of single host (CPU, MEM, DISK, NET), distributed resilient expansion, and dispose ability (the application main frame is disposed fast, client can own installing operating system) fast.The client can be fully as using a physical server to use the cloud main frame when the computing power rental service of using provider to provide.Compare with renting physical server, the Cloud Server of equal performance possesses lower total all cost TCO (Total Cost of Ownership), better expansibility and stronger safe reliability.

Intel Virtualization Technology is applied to and can allows different user see different individual systems in the computer system, can move Linux and Microsoft Windows simultaneously as computing machine in virtual fully (Full Virtualization) technology.Virtually also can use complicated format more---simulation hardware, wherein single computing machine looks and has a plurality of frameworks; It is the x86 platform of standard concerning a user, and it is IBM Power PC platform concerning another user.Simple more virtual is that operating system is virtual, wherein computing machine can move a plurality of operating systems of same type; This virtual a plurality of servers of an operating system can being kept apart (this means the operating system that all must use same type and version).

Realize that virtualized method is a lot, can realize identical virtual result by different levels abstract.Be that example is carried out brief description with three kinds of virtual methods commonly used among the Linux.

Fig. 1 shows the structural representation of the Intel Virtualization Technology of simulation hardware in the prior art.Simulation hardware is the most complicated virtual realization technology, as shown in Figure 1, creates hardware VM at host system and simulates needed hardware.Use simulation hardware, can operate to the operating system of PowerPC design at an ARM (Advanced RISC Machines) processor main frame, and without any need for modification; Even can move a plurality of virtual machines, different processor of each virtual machine emulation.But because every instruction all must carry out emulation at bottom hardware, slow down 100 times situation of speed also might take place, and therefore, the subject matter of simulation hardware is that speed is very slow.If will realize the emulation (relating to CPU pipeline and the buffer memory behavior of cycle precision, institute's emulation) of high fidelity (Hi-Fi), actual speed gap even may reach 1000 times more than.

Fig. 2 shows the structural representation of complete Intel Virtualization Technology in the prior art.As shown in Figure 2, a virtual management program of complete virtual use virtual machine (Hypervisor VMM, Hypervisor Virtual Machine Monitor), it is coordinated between client operating system and original hardware, and VMM provides coordination between client operating system and naked hardware.Specific shielded instruction must be hunted down and handle in virtual control program Hypervisor, because these bottom hardwares and can't help operating system and have, but shared by Hypervisor by operating system.Though complete virtualized speed is faster than the speed of simulation hardware, its performance will be lower than naked hardware, because the middle coordination process that has passed through Hypervisor.Complete virtualized great advantage is that operating system need not any modification and just can directly move, and must support bottom hardware (as PowerPC) and its major limitation is operating system.

Another kind of popular Intel Virtualization Technology is super virtual (Paravirtualization), and Fig. 3 shows the structural representation of super Intel Virtualization Technology in the prior art.Super virtually and fully virtual have some similar, used a Hypervisor to realize share and access to bottom hardware also being integrated in the operating system itself with virtual relevant code equally; Therefore, this mutual close cooperation of meeting in virtualization process of operating system, and no longer need to recompilate or catch privileged instruction.Super virtual providing and the performance that is close without virtualized system.With fully virtual similar, super Intel Virtualization Technology can be supported a plurality of different operating systems simultaneously.The shortcoming of super Intel Virtualization Technology is to revise client operating system for Hypervisor.

Fig. 4 shows the structural representation of operating system grade Intel Virtualization Technology in the prior art.As shown in Figure 4, the Intel Virtualization Technology of operating system grade is realize server on operating system itself virtual, and this virtual method is supported single operating, and server independently can be kept apart mutually simply.The virtual requirement of operating system grade is carried out some modifications to the kernel of operating system, but its advantage is to obtain original performance.

At present, the deployment of cloud main frame is manual carrying out fully, the error rate height, and efficient is lower, can't satisfy the demand that quick cloud main frame is disposed fast, and operation and maintenance cost height.

Summary of the invention

The technical matters that the present invention will solve provides a kind of deploying cloud host computer method and system, can satisfy the user and dispose the needs that the cloud main frame obtains sufficient computing power fast.

One aspect of the present invention provides a kind of method of deploying cloud host computer, and this method comprises: virtual machine object is set up in the request of setting up virtual machine according to the user; Revise the attribute of virtual machine object, virtual machine object is converted into the template data file; Copy the template data file, create the prefabricated virtual machine of predetermined quantity; Receive address and the public key setting of prefabricated virtual machine, enable a prefabricated virtual machine.

Among the embodiment of the method for deploying cloud host computer provided by the invention, this method further comprises: after enabling a prefabricated virtual machine, copy template again, create a new prefabricated virtual machine.

Among the embodiment of the method for deploying cloud host computer provided by the invention, this method further comprises: after creating a new prefabricated virtual machine, new prefabricated virtual machine is joined in the prefabricated virtual machine tabulation of template correspondence.

Among the embodiment of the method for deploying cloud host computer provided by the invention, this method further comprises: before the prefabricated virtual machine of creating predetermined quantity, judge that the residue of terminal node is calculated and storage capacity; If terminal node has sufficient residue to calculate and storage capacity, then create the prefabricated virtual machine of predetermined quantity at terminal node; If surplus resources deficiency, when the prefabricated virtual machine of a template correspondence is tabulated longer, make the prefabricated virtual machine of another template correspondence tabulate in the time of to reach predetermined quantity, search the longest template of prefabricated virtual machine tabulation, delete the one or more prefabricated virtual machine of the longest template of prefabricated virtual machine tabulation so that the prefabricated virtual machine of another template correspondence can reach predetermined quantity.

Among the embodiment of the method for deploying cloud host computer provided by the invention, this method further comprises: before the prefabricated virtual machine of creating predetermined quantity, judge that the residue of terminal node is calculated and storage capacity; If terminal node has sufficient residue to calculate and storage capacity, then create the prefabricated virtual machine of predetermined quantity at terminal node; If surplus resources deficiency, when the prefabricated virtual machine tabulation that can not satisfy all template correspondences when surplus resources all reaches predetermined quantity, prefabricated averaging of virtual machine tabulation with all template correspondences is no more than 1 so that the prefabricated virtual machine tabulation of all template correspondences differs.

Another aspect of the present invention provides a kind of system of deploying cloud host computer, and this system comprises: network file system server, set up virtual machine object for the request of setting up virtual machine according to the user; The receiving management server is prefabricated virtual machine addresses distributed and public key setting, and when prefabricated virtual machine starts for the first time configuration address and public key setting; Management server, the attribute for revising virtual machine object is converted into the template data file with virtual machine object, copies the template data file, creates the prefabricated virtual machine of predetermined quantity at terminal node; And address and the public key setting of distributing prefabricated virtual machine, enable prefabricated virtual machine; Terminal node is used to management server to create prefabricated virtual machine storage and computing power is provided.

Among the embodiment of the system of deploying cloud host computer provided by the invention, management server comprises: the template conversion module, and the attribute for revising virtual machine object is converted into the template data file with virtual machine object; The virtual machine creating module is used for copying the template data file, creates the prefabricated virtual machine of predetermined quantity at terminal node; After enabling a prefabricated virtual machine, copy the template data file again, create a new prefabricated virtual machine; Virtual machine is enabled module, is used for distributing address and the public key setting of prefabricated virtual machine to network file system server, and enables a prefabricated virtual machine.

Among the embodiment of the system of deploying cloud host computer provided by the invention, management server also comprises: the terminal node judge module, be used for before the prefabricated virtual machine of creating predetermined quantity, and judge that the residue of terminal node is calculated and storage capacity; If terminal node has sufficient residue to calculate and storage capacity, then create the prefabricated virtual machine of predetermined quantity at terminal node; If surplus resources deficiency, when the prefabricated virtual machine of a template correspondence is tabulated longer, make the prefabricated virtual machine of another template correspondence tabulate in the time of to reach predetermined quantity, terminal node is selected the longest template of the prefabricated virtual machine tabulation of module searches, deletes the one or more prefabricated virtual machine of the longest template of prefabricated virtual machine tabulation so that the prefabricated virtual machine of another template correspondence can reach predetermined quantity.

Among the embodiment of the system of deploying cloud host computer provided by the invention, management server also comprises: the terminal node judge module, be used for before the prefabricated virtual machine of creating predetermined quantity, and judge that the residue of terminal node is calculated and storage capacity; If terminal node has sufficient residue to calculate and storage capacity, then create the prefabricated virtual machine of predetermined quantity at terminal node; If surplus resources deficiency, when the prefabricated virtual machine tabulation that can not satisfy all template correspondences when surplus resources all reaches predetermined quantity, node selects module with prefabricated the averaging of virtual machine tabulation of all template correspondences, is no more than 1 so that the prefabricated virtual machine tabulation of all template correspondences differs.

Among the embodiment of the system of deploying cloud host computer provided by the invention, management server also comprises: the template release module, be used for behind new prefabricated virtual machine of virtual machine creating module creation, new prefabricated virtual machine joined in the prefabricated virtual machine tabulation of template correspondence.

The invention provides a kind of method and system of deploying cloud host computer, the virtual machine of user's request is converted into template, utilize pre-some virtual machines of making of free time of system in advance, carrying out IP address and SSH Key setting when user's request cnable enables again, thereby greatly reduced the time of system's deployment virtual machine, realized the purpose of quick deployment cloud main frame; In addition, avoided the high problem of artificial deployment cloud main frame error probability, satisfied the user and disposed the needs that the cloud main frame obtains sufficient computing power fast.

Description of drawings

Fig. 1 shows the structural representation of the Intel Virtualization Technology of simulation hardware in the prior art;

Fig. 2 shows the structural representation of complete Intel Virtualization Technology in the prior art;

Fig. 3 shows the structural representation of super Intel Virtualization Technology in the prior art;

Fig. 4 shows the structural representation of operating system grade Intel Virtualization Technology in the prior art;

Fig. 5 shows the process flow diagram of an embodiment of the method for deploying cloud host computer of the present invention;

Fig. 6 shows the process flow diagram of an embodiment of the system of deploying cloud host computer of the present invention;

The system that Fig. 7 (a)-7 (d) shows at deploying cloud host computer provided by the invention carries out the synoptic diagram that the cloud main frame is disposed fast;

Fig. 8 shows the process flow diagram of another embodiment of the method for deploying cloud host computer of the present invention;

Fig. 9 shows the process flow diagram of another embodiment of the method for deploying cloud host computer of the present invention;

Figure 10 shows the structural representation of another embodiment of system of deploying cloud host computer provided by the invention;

Figure 11 shows the structural representation of another embodiment of system of deploying cloud host computer provided by the invention.

Embodiment

With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.

Fig. 5 shows the process flow diagram of an embodiment of the method for deploying cloud host computer of the present invention.

As shown in Figure 5, the method flow 500 of deploying cloud host computer comprises: step 502, and set up the request of virtual machine according to the user and set up virtual machine object.For example, the user proposes the request of setting up common virtual machine according to practical application request to service provider's service management platform, and service management platform receives after the user sets up the request of virtual machine, for the user sets up corresponding virtual machine object; This object refers to a virtual machine object of realizing with java class.The virtual machine object that the service provider sets up comprises virtual disk and two classes of network usually at least, wherein disk mainly comprises virtual operating system disk and data disk (dividing two virtual disks to be conducive to not influence when operating system disk formatd the security of data disk), wherein disk, network are two attributes of virtual machine object, can attributes such as disk and network be arranged and inquire about by " set function ", " the get function " of virtual machine object; The parameter attribute of classes such as disk and network is set, and parameters such as related category, attribute are kept in the system list into virtual machine creating.

Step 504, the attribute of modification virtual machine object is converted into the template data file with virtual machine object.For example, after the service provider sets up virtual machine object according to user's request, virtual machine and the association attributes in associated databases thereof are reset (as the attribute modification of virtual machine object being " template " attribute in dummy machine system tabulation) by the O﹠M personnel, and will new attribute setting be kept at during dummy machine system tabulates.In case the attribute of virtual machine object is set to template, the template stores of this virtual machine object is at network file system(NFS) (NFS, Network File System) on the shared disk that server provides, just can be at the guest machine of other this template of terminal node deploy.

Step 506 copies the template data file, creates the prefabricated virtual machine of predetermined quantity.For example, system detects in the dummy machine system tabulation, when the attribute of certain virtual machine object is " template ", to be somebody's turn to do the relevant virtual file of " template " attribute corresponding virtual machine and copy predetermined quantity (as three parts), be arranged on the equipment (as terminal or the network equipment) of residue calculating and storage capacity, as the virtual machine of pre-making.When selecting the equipment of residue calculating and storage capacity is arranged, mainly defer to following principle: utilize calculating and storage capacity on the already used equipment as far as possible, can not hold up to this equipment expand to again till the virtual machine of how pre-making other have calculate and equipment of storage capacity on.

Step 508 receives address and the public key setting of prefabricated virtual machine, enables a prefabricated virtual machine.For example, when nfs server uses the template establishment virtual machine, management server will be this prefabricated virtual machine configuration of IP address and safe shell key (SSH Key, the PKI that uses when referring to be remotely logged into client operating system by safe shell); After nfs server receives the IP address and SSH Key of this virtual machine, dynamically generate client operating system (can be the operating system that the user installs at virtual machine) initial start script file; This initial start script file is used for configuration of IP address and SSH Key when this virtual machine starts for the first time.After configuration finished to the virtual machine of pre-making, this virtual machine was enabled by system, and returned this available virtual machine (for the user, user can fully as the virtual machine that physical server uses the cloud main frame to provide is provided) to the user.After a while virtual machine address and public key setting are further described in detail.

STATIC IP ADDRESSING realizes by the scheme of using the NBD service network to share mirror image.Concrete grammar can be to create the configuration file that comprises the network configuration correlation parameter: IP.cfg at management server, and for instance, its particular content comprises:

IP:211.99.208.13

NETMASK:255.255.255.0

GATEWAY:211.99.208.1

DNS:202.106.0.20

This IP.cfg file is put into file, for example put into file 211.99.208.13 under the current path.Utility command: mkisofs-r-J-V 211.99.208.13-oConfiguration.iso 211.99.208.13/; Can under current path, create out optical file Configuration.iso.

SSH Key distributes and relates to SSH service end collocation method, can specifically, use ssh_keygen to generate a pair of key (as the Key that uses the RSA key system to create) with reference to prior art " the automatic login configurations of SSH ".Publicly-owned key put into creates the original folder that iso uses, just can be when moving following script and start in system and network configuration parameters together be configured in the system.Annotate: private key (privately owned Key) file is called id_rsa, and PKI (publicly-owned Key) file is called id_rsa.pub, and filename is appointment.

#!/bin/sh

TPATH=

if[-d/data];then

echo?directory/data?exist!!

else

mkdir/data

fi

if[`mount|grep/data|we-l`-ne″0″];then

umount/data

fi

TPATH=/data

mount/dev/hde/data>/dev/zero?2>/dev/zero

if[`echo$?`!=″0″];then

mount/dev/hdd/data>/dev/zero?2>/dev/zero

if[`echo$?`!=″0″];then

echo″mount?error″

exit

else

if[[`test-f/data/IP.cfg`]&&[`test-f

/data/id_rsa`]&&[`test-f/data/id_rsa.pub`]];then

echo?Configurate?file?is?not?in?the?special?disk!!

umount/data

exit

else

echo?it?is?needed!!

fi

fi

else

if[[`test-f/data/IP.cfg`]&&[`test-f/data/id_rsa`]&&

[`test-f/data/id_rsa.pub`]];then

echo?Configurate?file?is?not?in?the?special?disk!!

umount/data

exit

else

echo″/dev/hde?is?not?IP?source″

fi

fi

DNS=`cat″$TPATH″/IP.cfg|grep?DNS|cut-d:-f2`

IP=`cat″$TPATH″/IP.cfg|grep?IP|cut-d:-f2`

NETMASK=`cat″$TPATH″/IP.cfg|grep?NETMASK|cut-d:-f2`

GATEWAY=`cat″$TPATH″/IP.cfg|grep?GATEWAY|cut-d:-f2`

MAC=`cat″$TPATH″/IP.cfg|grep?MAC|cut-d:-f2-7`

echo????DNS:$DNS????IP:$IP????NETMASK:$NETMASK

GATEWAY:$GATEWAY?MAC=$MAC

if[`cat/etc/resove.conf|grep$DNS|wc-l`-eq″0″];then

echo-e″nameserver\t$DNS″>>/etc/resolv.conf

fi

NETWORK=`echo$GATEWAY|cut-d.-f1-3`

BROADCAST=`echo$GATEWAY|cut-d.-f1-3`

#MAC_STR=`cat/etc/sysconfig/network-scripts/ifcfg-eth0|grep

HWADDR`

#service?network?stop

// following code is different in different systems, in CentOS, is to use eth0 all the time, and what still use in SUSE 10 is first network interface card name, may not be eth0.

CENTOS

CFG_FILE=/etc/sysconfig/network-scripts/ifcfg-eth0

ifdown?eth0

SUSE?10

CARD=`ls/sys/class/net|grep?eth|sed-n′1p′`

echo$CARD

CFG_FILE=/etc/sysconfig/network/ifcfg-″$CARD″

ifdown?$CARD

#ifconfig?eth0?hw?ether?$MAC

echo″DEVICE=eth0″>$CFG_FILE

echo″ONBOOT=yes″>>$CFG_FILE

echo″BOOTPROTO=static″>>$CFG_FILE

#echo″HWADDR=$MAC″>>$CFG_FILE

echo″IPADDR=$IP″>>$CFG_FILE

echo″NETMASK=$NETMASK″>>$CFG_FILE

echo″NETWORK=$NETWORK″.0>>$CFG_FILE

echo″BROADCAST=$BROADCAST″.255>>$CFG_FILE

echo″GATEWAY=$GATEWAY″>>$CFG_FILE

echo″TYPE=Ethernet″>>$CFG_FILE

echo″USERCTL=no″>>$CFG_FILE

echo″IPV6INIT=no″>>$CFG_FILE

echo″PEERDNS=no″>>$CFG_FILE

service?network?restart

mv/etc/rc3.d/K10network/etc/rc3.d/S10network

cp/data/id_rsa.pub/root/.ssh/authorized_keys

chmod?600/root/.ssh/authorized_keys

umount/data

SUSE: this script of last execution that this script is carried out at/etc/rc.d/rc script, the system that can reach carries out the effect of this script when starting.

CENTOS: this script of last execution that this script is carried out at/etc/rc.local script.

This script of deletion after executing this script is only carried out when moving for the first time to reach script, owing to write in the configuration file, system also can finish configuration according to primary configuration when starting.

Among the embodiment of the method for deploying cloud host computer provided by the invention, the IP and the SSH Key that finish the virtual machine of pre-making at nfs server arrange, and after enabling this prefabricated virtual machine, copy this template again by management server, and on the equipment that residue calculating and storage capacity are arranged, create the new prefabricated virtual machine of this template correspondence again.

Among the embodiment of the method for deploying cloud host computer provided by the invention, behind the new prefabricated virtual machine of this template correspondence of management server establishment, the prefabricated virtual machine that this is new joins in the prefabricated virtual machine tabulation of this template correspondence.

The method of deploying cloud host computer provided by the invention, be converted into template by the virtual machine with user's request, utilize pre-some virtual machines of making of free time of system in advance, carrying out IP address and SSH Key setting when user's request cnable enables again, thereby greatly reduced the time of system's deployment virtual machine, realized the purpose of quick deployment cloud main frame.

Fig. 6 shows the structural representation of an embodiment of the system of deploying cloud host computer of the present invention.

As shown in Figure 6, the system 600 of deploying cloud host computer comprises: network file system(NFS) (NFS) server 602, management server 604 and terminal node 606.

Wherein, nfs server 602 is set up virtual machine object for the request of setting up virtual machine according to the user; The receiving management server is prefabricated virtual machine addresses distributed and public key setting, and when prefabricated virtual machine starts for the first time configuration address and public key setting.

Management server 604, the attribute for revising virtual machine object is converted into the template data file with virtual machine object, copies the template data file, creates the prefabricated virtual machine of predetermined quantity at terminal node; And address and the public key setting of distributing prefabricated virtual machine, enable prefabricated virtual machine.

Terminal node 606 is used to management server to create prefabricated virtual machine storage and computing power is provided.This terminal node 606 can comprise one or more physical client device or network-termination device according to practical application request.

For realizing the quick deployment of cloud main frame, need carry out Interface design, relate to external interface and internal interface.Specifically, need create, delete and copy the function of virtual machine (as virtual disk) at NFS, need increase new class by management server and finish management to the NFS mount point; When wherein being increased in the function of creating virtual machine on the nfs server, interface does not need to change, and adopts the virtual hard disk (as " VirtualDisk ", logic magnetic disc logicalDisk when general) of the cloud main frame of creating at NFS to get final product; Need to increase quick disposing application program interface (API, Application Program Interface).

1) carries out " setting up class " and " realization class " by nfs server; It is as follows wherein " to set up class ":

The interface that public interface NFSMountPoint//Java provides: the mount point class interface of network file system(NFS)

{

Public abstract void setAssociatedNode (Node node); // the respective physical node is set

Public abstract Node getAssociatedNode (); // obtain the respective physical node

Public abstract SetIP (String ip); // obtain and arrange mount point ip address

public?abstract?String?GetIP();

Public abstract SetServerDir (String dir); // arrange and obtain server path

public?abstract?String?GetServerDir();

Public abstract SetMountDir (String dir); // arrange and obtain the mount point catalogue

public?abstract?String?GetMountDir();

Public abstract void Refresh (); // refresh mount point information

}

" the realization class " of external interface is as follows:

Public interface LvmNFSGroup//network file system(NFS) logical volume category interface

extends?LvmGroup

{

// arrange and obtain corresponding virtual data center

public?abstract?void

setAssociatedVirtualDataCenter(VirtualDataCentervirtualdatacenter);

public?abstract?VirtualDataCentergetAssociatedVirtualDataCenter();

// obtain and increase network file system(NFS) mount point (polymorphic)

public?abstract?LinkedList?getNFSMountPoints();

public?abstract?void?addNFSMountPoint(NFSMountPointnfsMountPoint);

public?abstract?void?addNFSMountPoint(NFSMountPointnfsMountPoint,Node?node);

public?abstract?void?addNFSMountPoints(LinkedList?LinkedList);

public?abstract?void?addNFSMountPoints(LinkedList?LinkedList,Node?node);

// deletion network file system(NFS) mount point (polymorphic)

public?abstract?NFSMountPoint?removeNFSMountPoint(String?s);

public?abstract?NFSMountPoint

removeNFSMountPoint(NFSMountPoint?nfsMountPoint);

}

2) the disposing application program interface code is as follows fast:

Public interface VirtualServer increases following operation:

public?interface?VirtualServer?extends?Virtual

{

Virtual machine template of the unique sign of //id, if not template, this id is null

If // this VS is not template, which template establishment this id identifies this virtual machine from

public?abstract?void?SetTemplateID(String?id);

// become template " Template " data file when a common virtual machine, a unique ID can be set, and (this ID can realize with predetermined coding method, as adopt the OStype_PlatFormtype_VSToos_Apptype_UUIDMumber rule), this moment, the state of this virtual machine should be shutdown, and what use is to share storage, in order to can be replicated at any time, otherwise prompting can not be converted into template.And start a task, and this virtual machine is made three prefabricated virtual machines, be placed on the node of sufficient resources; And be recorded in the prefabricated virtual machine that several these templates are arranged on which node and exist.

public?abstract?void?ToTemplate(String?id);

// in some cases, allow a virtual machine template is become common virtual machine: do not have the virtual machine that is using by this template establishment.

public?abstract?void?DeTemplate(String?id);

public?abstract?bool?IsTemplate();

// which node there is the mirror image LinkedList of this template at

public?abstract?LinkedList?GetPlacedNodes();

// comprising the script that IP and ssh key arrange will be mounted on the CD of newly-built virtual machine as an iso, the virtual machine after the script among the iso will be activated is carried out.This requirement: before the virtual machine activation, this iso file will be created out, in the configuration file of this virtual machine with this iso file as CD.At the end of SetIP and SetSSHKey function operation CheckISO (), priavte abstract CheckISO checks whether ISO should generate, if can (IP and SSHKey arrange), then generation.

Private abstract String GetISOPath (); // obtain the path of CD mirroring iso file

Public abstract void SetIP (String IP); // the ip address of cloud main frame is set

Public abstract String GetIP (); // obtain the ip address of cloud main frame

Public abstract void SetSSHKey (String key); // for by ssh Telnet cloud main frame PKI to be set.

Public abstract String GetSSHKey (); // obtain the ssh PKI of cloud main frame

}

The InternalConfigurationStore increase also is achieved as follows function

{

The template that // acquisition is all

public?abstract?LinkedList?getTemplateVMs();

// be that virtual machine is carried out configuration according to template, comprising: operating system mirror image, data disks, network.And supply operating system mirror image and the disk mirroring that consumes.

Public abstract VirtualServer CreateVMFromTemplateVM (VirtualServer vstemplate); // be automatically assigned to a node

// on specified node according to the template establishment virtual machine, the time may be long, operating system and data image all need to make again.

Public abstract VirtualServer CreateVMFromTemplateVMInNode (VirtualServer vstemplate, Node assignNode); // be assigned to a node

}

Aspect the realization of internal interface, the realization of LVMNFSGroup is with reference to LVMLocalGroup and LVMNetworkGroup.Wherein, LVMLocalGroup is a kind of logic magnetic disc group, but it is a kind of logic magnetic disc group of setting up at the local disk of server.LVMNetworkGroup also is a kind of logic magnetic disc group, but is a kind of logic magnetic disc group of setting up in the network storage.And logic magnetic disc group (LogcialDiskGroup) and logic magnetic disc (LogicalDisk) be in the linux file system to a kind of logical organization form of hard disk, a plurality of disks can be organized as the bigger survey logic magnetic disc of a capacity group; Wherein the subregion in the logic magnetic disc group is logic magnetic disc.Create NFSMountPoint and it may be noted that NFSserver IP, NFSServer catalogue, mount point.Order by send creating from file to terminal node is to finish the establishment logic magnetic disc, and the deleted file order is with the deletion logic magnetic disc.LogicalDisk among the LogcialDiskGroup under the NFSGroup is equivalent to a file in the NFS catalogue.

The system that Fig. 7 (a)-7 (d) shows at deploying cloud host computer provided by the invention carries out the synoptic diagram that the cloud main frame is disposed fast.

Fig. 7 (a) shows the structural representation of system before setting up virtual machine of deploying cloud host computer, and the system of this deploying cloud host computer mainly comprises nfs server, management server and 3 terminal nodes (node 1-3).The system that Fig. 7 (b) shows deploying cloud host computer provided by the invention sets up common virtual machine structural representation afterwards; According to the request that the user sets up virtual machine, it sets up virtual machine VM1 at nfs server, and parameters such as related category, attribute are kept in the tabulation of the external system of virtual machine creating; Wherein common virtual machine VM1 comprises operating system disk OS and data disk Data.The system that Fig. 7 (c) shows deploying cloud host computer provided by the invention is converted into structural representation after the template with a virtual machine; After the attribute of the virtual machine object in the management server nfs server is set to " template ", to be somebody's turn to do the relevant virtual file of " template " attribute corresponding virtual machine and copy three parts (as shown prefabricated virtual machine 1-1,1-2 and 1-3), be arranged on the terminal node 1 of residue calculating and storage capacity.Fig. 7 (d) shows the system of deploying cloud host computer provided by the invention by the structural representation after two virtual machines of template establishment; Nfs server dynamically generates client operating system initial start script file after receiving the IP address and SSH Key of this virtual machine; This initial start script file is used for configuration of IP address and SSH Key when this virtual machine starts for the first time.After configuration finished to the virtual machine of pre-making, management server is enabled this template prefabricated virtual machine 1-1 and 1-2, and was corresponding, copies this template again by management server, creates new prefabricated virtual machine 1-4 and the 1-5 of this template correspondence; Residue according to terminal node 1 is calculated and storage capacity, at terminal node 1 new prefabricated virtual machine 1-4 is set, and after terminal node 1 does not remain calculating and storage capacity, at terminal node 2 new prefabricated virtual machine 1-5 is set.Between different terminal nodes, copy template can utilize the telefile host-host protocol (TFTP, TrivialFile Transfer Protocol) or service control point (SCP, Service Control Point) carry out data and copy.

Fig. 8 shows the process flow diagram of another embodiment of the method for deploying cloud host computer of the present invention.

As shown in Figure 8, in the method flow 800 of deploying cloud host computer, step 802,804,806 and 808 can be carried out the same or analogous technology contents with step 502-508 shown in Figure 5 respectively, for for purpose of brevity, repeats no more its technology contents here.

As shown in Figure 8, " revise the attribute of virtual machine object; virtual machine object is converted into the template data file " afterwards in step 804, step 806 " copies the template data file; create the prefabricated virtual machine of predetermined quantity " before, execution in step 805 judges that the residue of terminal node is calculated and storage capacity.If terminal node has sufficient residue to calculate and storage capacity, then execution in step 806, create the prefabricated virtual machine of predetermined quantity at terminal node; If the surplus resources deficiency is (longer as the prefabricated virtual machine tabulation when a template correspondence, make the prefabricated virtual machine of another template correspondence tabulate in the time of to reach predetermined quantity), then execution in step 810, search the longest template of prefabricated virtual machine tabulation, delete the one or more prefabricated virtual machine of the longest template of prefabricated virtual machine tabulation so that the prefabricated virtual machine of another template correspondence can reach predetermined quantity.This step is equivalent to that the template of prefabricated virtual machine tabulation interlude is carried out resource part and discharges, thereby supplies the requirement that the virtual machine tabulation does not reach the template of predetermined quantity (as 3).

The method of deploying cloud host computer provided by the invention, by searching the longest template of prefabricated virtual machine tabulation in the terminal node, delete the one or more prefabricated virtual machine of the longest template of prefabricated virtual machine tabulation so that the prefabricated virtual machine of another template correspondence can reach predetermined quantity, thereby supply the requirement that the virtual machine tabulation does not reach the template of predetermined quantity, the prefabricated virtual machine that ensures each template in the deploying cloud host computer system all has sufficient standby resources, further improves the demand that the user disposes fast for the cloud main frame.

Fig. 9 shows the process flow diagram of another embodiment of the method for deploying cloud host computer of the present invention.

As shown in Figure 9, in the method flow 900 of deploying cloud host computer, step 902,904,906 and 908 can be carried out the same or analogous technology contents with step 502-508 shown in Figure 5 respectively, for for purpose of brevity, repeats no more its technology contents here.

As shown in Figure 9, " revise the attribute of virtual machine object; virtual machine object is converted into the template data file " afterwards in step 904, step 906 " copies the template data file; create the prefabricated virtual machine of predetermined quantity " before, execution in step 905 judges that the residue of terminal node is calculated and storage capacity.If terminal node has sufficient residue to calculate and storage capacity, then execution in step 906, create the prefabricated virtual machine of predetermined quantity at terminal node; If surplus resources deficiency (when all reaching predetermined quantity as the prefabricated virtual machine tabulation that can not satisfy all template correspondences when surplus resources), then execution in step 910, prefabricated averaging of virtual machine tabulation with all template correspondences is no more than 1 so that the prefabricated virtual machine tabulation of all template correspondences differs.For example, the pre-making virtual machine tabulation that can not satisfy all template correspondences when the terminal node resource all reaches 3, the averaging of resource that template corresponding virtual machine is taken then, making the pre-making virtual machine tabulation of all template correspondences is 3 or 2, differ each other and be no more than 1 (in simple terms, the prefabricated virtual machine that all template correspondences can be set all is two, the terminal node residual resource can allow the prefabricated virtual machine of some template correspondence be 3, thus the virtual machine that ensures each template in the deploying cloud host computer system all have standby resources can with).For the system of deploying cloud host computer, if the prefabricated virtual machine of the template that a large number of users request is set up is too much, may be that all template corresponding virtual machine tabulations are 1 or 0 at last, when the pre-making virtual machine tabulation of all template correspondences all is 0, can show that also the resource of terminal node is all occupied.

The method of deploying cloud host computer provided by the invention, by averaging of the resource scheduling that terminal node is provided, make the prefabricated virtual machine quantity of each template correspondence differ and be no more than 1, thereby the prefabricated virtual machine that ensures each template in the deploying cloud host computer system all has standby resources, further improves the demand that the user disposes fast for the cloud main frame.

Figure 10 shows the structural representation of another embodiment of system of deploying cloud host computer provided by the invention.As shown in figure 10, the system 1000 of deploying cloud host computer comprises: network file system server 1002, management server 1004, terminal node 1006; Wherein network file system server 1002 and terminal node 1006 can be respectively to have same or analogous functional module with network file system server shown in Figure 6 602 and terminal node 606; For for purpose of brevity, repeat no more here.

As shown in figure 10, management server 1004 further comprises: template conversion module 10042, virtual machine creating module 10044 and virtual machine are enabled module 10046.Wherein, template conversion module 10042 is used for revising the attribute of virtual machine object, and virtual machine object is converted into the template data file; Virtual machine creating module 10044 is used for copying the template data file, creates the prefabricated virtual machine of predetermined quantity at terminal node; After enabling a prefabricated virtual machine, copy the template data file again, create a new prefabricated virtual machine; Virtual machine is enabled module 10046, is used for distributing address and the public key setting of prefabricated virtual machine to network file system server, and enables a prefabricated virtual machine.

Figure 11 shows the structural representation of another embodiment of system of deploying cloud host computer provided by the invention.As shown in figure 11, the system 1100 of deploying cloud host computer comprises: network file system server 1102, management server 1104, terminal node 1106; Wherein network file system server 1102 and terminal node 1106 can be respectively to have same or analogous functional module with network file system server shown in Figure 10 1002 and terminal node 1006; For for purpose of brevity, repeat no more here.

As shown in figure 11, management server 1104 also comprises: terminal node judge module 11048, be used for before the prefabricated virtual machine of creating predetermined quantity, and judge that the residue of terminal node is calculated and storage capacity; If terminal node has sufficient residue to calculate and storage capacity, then create the prefabricated virtual machine of predetermined quantity at terminal node; If surplus resources deficiency, when the prefabricated virtual machine of a template correspondence is tabulated longer, make the prefabricated virtual machine of another template correspondence tabulate in the time of to reach predetermined quantity, terminal node is selected the longest template of the prefabricated virtual machine tabulation of module searches, deletes the one or more prefabricated virtual machine of the longest template of prefabricated virtual machine tabulation so that the prefabricated virtual machine of another template correspondence can reach predetermined quantity.

Among the embodiment of the system of deploying cloud host computer provided by the invention, management server 1104 also comprises: template release module 11049, be used for after virtual machine creating module 11044 is created a new prefabricated virtual machine, new prefabricated virtual machine joined in the prefabricated virtual machine tabulation of template correspondence.

Among another embodiment of the system of deploying cloud host computer provided by the invention, as a kind of substitute mode to terminal node judge module 11048 in the technical scheme shown in Figure 11, management server comprises: the second terminal node judge module, be used for before the prefabricated virtual machine of creating predetermined quantity, judge that the residue of terminal node is calculated and storage capacity; If terminal node has sufficient residue to calculate and storage capacity, then create the prefabricated virtual machine of predetermined quantity at terminal node; If surplus resources deficiency, when the prefabricated virtual machine tabulation that can not satisfy all template correspondences when surplus resources all reaches predetermined quantity, node selects module with prefabricated the averaging of virtual machine tabulation of all template correspondences, is no more than 1 so that the prefabricated virtual machine tabulation of all template correspondences differs.

With reference to the exemplary description of aforementioned the present invention, those skilled in the art can clearly know the present invention and have the following advantages:

1) method and system of deploying cloud host computer provided by the invention, be converted into template by the virtual machine with user's request, utilize pre-some virtual machines of making of free time of system in advance, carrying out IP address and SSH Key setting when user's request cnable enables again, thereby greatly reduced the time of system's deployment virtual machine, realized the purpose of quick deployment cloud main frame.

2) deployment that solved current cloud main frame of the method and system of deploying cloud host computer provided by the invention relies on manual carrying out fully, and throughput rate is hanged down the high defective of O﹠M cost; Avoided the high problem of artificial deployment cloud main frame error probability, satisfied the user and disposed the needs that the cloud main frame obtains sufficient computing power fast.

Description of the invention provides for example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the present invention's design is suitable for special-purpose.

Claims (6)

1. the method for a deploying cloud host computer is characterized in that, described method comprises:
Set up the request of virtual machine according to the user and set up the virtual machine object of realizing with java class;
Revise the attribute of described virtual machine object, described virtual machine object is converted into the template data file;
Copy described template data file, create the prefabricated virtual machine of predetermined quantity;
Receive address and the public key setting of described prefabricated virtual machine, enable a described prefabricated virtual machine; Wherein:
After enabling a described prefabricated virtual machine, copy described template again, create a new prefabricated virtual machine;
After creating a described new prefabricated virtual machine, described new prefabricated virtual machine is joined in the prefabricated virtual machine tabulation of described template correspondence.
2. method according to claim 1 is characterized in that, described method further comprises: before the prefabricated virtual machine of creating predetermined quantity, judge that the residue of terminal node is calculated and storage capacity;
If described terminal node has sufficient residue to calculate and storage capacity, then create the described prefabricated virtual machine of predetermined quantity at described terminal node;
If surplus resources deficiency, when the prefabricated virtual machine of a described template correspondence is tabulated longer, make the prefabricated virtual machine of another template correspondence tabulate in the time of to reach predetermined quantity, search the longest template of prefabricated virtual machine tabulation, delete the one or more prefabricated virtual machine of the longest template of described prefabricated virtual machine tabulation, the prefabricated virtual machine of described another template correspondence thereby being carried out resource part, the long template of prefabricated virtual machine tabulation discharges, so that can reach predetermined quantity.
3. method according to claim 1 is characterized in that, described method further comprises: before the prefabricated virtual machine of creating predetermined quantity, judge that the residue of terminal node is calculated and storage capacity;
If described terminal node has sufficient residue to calculate and storage capacity, then create the described prefabricated virtual machine of predetermined quantity at described terminal node;
If surplus resources deficiency, when the prefabricated virtual machine tabulation that can not satisfy all template correspondences when surplus resources all reaches predetermined quantity, prefabricated averaging of virtual machine tabulation with all template correspondences is no more than 1 so that the prefabricated virtual machine tabulation of all template correspondences differs.
4. the system of a deploying cloud host computer is characterized in that, described system comprises network file system server, management server and terminal node, wherein:
Network file system server is set up the virtual machine object of realizing with java class for the request of setting up virtual machine according to the user; The receiving management server is prefabricated virtual machine addresses distributed and public key setting, and disposes described address and public key setting when described prefabricated virtual machine starts for the first time;
Described management server comprises that template conversion module, virtual machine creating module, virtual machine enable module and template release module, wherein:
The template conversion module, the attribute for revising described virtual machine object is converted into the template data file with described virtual machine object;
The virtual machine creating module is used for copying described template data file, creates the prefabricated virtual machine of predetermined quantity at described terminal node; After enabling a described prefabricated virtual machine, copy described template data file again, create a new prefabricated virtual machine;
Virtual machine is enabled module, is used for distributing described address and the public key setting of described prefabricated virtual machine to described network file system server, and enables a described prefabricated virtual machine;
The template release module is used for behind new prefabricated virtual machine of described virtual machine creating module creation, described new prefabricated virtual machine is joined in the prefabricated virtual machine tabulation of described template correspondence;
Described terminal node is used to described management server to create described prefabricated virtual machine storage and computing power is provided.
5. system according to claim 4 is characterized in that, described management server also comprises:
The terminal node judge module was used for before the prefabricated virtual machine of creating predetermined quantity, judged that the residue of described terminal node is calculated and storage capacity;
If described terminal node has sufficient residue to calculate and storage capacity, then create the described prefabricated virtual machine of predetermined quantity at described terminal node;
If surplus resources deficiency, when the prefabricated virtual machine of a described template correspondence is tabulated longer, make the prefabricated virtual machine of another template correspondence tabulate in the time of to reach predetermined quantity, terminal node is selected the longest template of the prefabricated virtual machine tabulation of module searches, delete the one or more prefabricated virtual machine of the longest template of described prefabricated virtual machine tabulation, the prefabricated virtual machine of described another template correspondence thereby being carried out resource part, the long template of prefabricated virtual machine tabulation discharges, so that can reach predetermined quantity.
6. system according to claim 4 is characterized in that, described management server also comprises:
The terminal node judge module was used for before the prefabricated virtual machine of creating predetermined quantity, judged that the residue of described terminal node is calculated and storage capacity;
If described terminal node has sufficient residue to calculate and storage capacity, then create the described prefabricated virtual machine of predetermined quantity at described terminal node;
If surplus resources deficiency, when the prefabricated virtual machine tabulation that can not satisfy all template correspondences when surplus resources all reaches predetermined quantity, terminal node selects module with prefabricated the averaging of virtual machine tabulation of all template correspondences, is no more than 1 so that the prefabricated virtual machine tabulation of all template correspondences differs.
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