CN103414712A - Management system and method of distributed virtual desktop - Google Patents
Management system and method of distributed virtual desktop Download PDFInfo
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- CN103414712A CN103414712A CN2013103373998A CN201310337399A CN103414712A CN 103414712 A CN103414712 A CN 103414712A CN 2013103373998 A CN2013103373998 A CN 2013103373998A CN 201310337399 A CN201310337399 A CN 201310337399A CN 103414712 A CN103414712 A CN 103414712A
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Abstract
The invention discloses a management system and method of a distributed virtual desktop. The management system of the distributed virtual desktop comprises a plurality of server nodes which are mutually connected through a network, wherein each server node comprises virtual desktop management nodes and a plurality of desktop virtual machines, each desktop virtual machine comprises a desktop agent module, the virtual desktop management nodes of each server node are mutually connected through the network to form a distributed desktop management cluster, and each virtual desktop management node comprises a virtual desktop management module, a network topology management module and a shared data base module. According to the management system of the distributed virtual desktop, the distributed deployment is adopted, virtual desktop management nodes are arranged on each visual server to form the distributed visual desktop management cluster, a corresponding virtual desktop dispatching method is adopted based on the system, the reliability of the system can be effectively improved due to the deployment method and the dispatching method, and smooth expansion of management ability of the system is achieved.
Description
Technical field
The present invention relates to distributed technical field, relate in particular to a kind of distributed virtual desktop management system and method.
Background technology
Along with the development of virtual computing technique, the deployment way of conventional desktop operating system also enters the virtual epoch.Desktop operating system, the operating system that has graphical human-computer interaction interface as Windows XP, Windows7, Windows8, Unbuntu etc. also can be deployed to virtual platform, shows and interactive interface for the user provides desktop by the remote desktop display protocol.The basic framework of conventional desktop virtualization system as shown in Figure 2: operation virtual management software on the hardware of virtualized server, as Xenserver, ESXi, Hyper-V, KVM or VirtualBox etc.; Desktop virtual machine (Desktop VM) operates on virtual management software, and desktop operating system is installed; The virtual desktop management system is responsible for administering and maintaining of desktop virtual environment, supports the centralized management of many virtualized servers; The desktop agency is the software module operated in the desktop virtual machine, be used to acting on behalf of the instruction of carrying out the virtual desktop management system; The user is connected to virtualized server by thin terminal (or being called thin-client), obtains user's desktop.Thin terminal can be the software module that operates in desktop operating system, can be also embedded type terminal equipment.The mode that traditional desktop virtual system adopts the virtual desktop management system independently to dispose usually, carry out centralized management to the virtualized server cluster; But this framework, managerial ability are too concentrated, cost is high and reliability is lower.
Summary of the invention
The present invention proposes a kind of distributed virtual desktop management system and method, this system and method has effectively improved reliability and the autgmentability of distributed virtual desktop management.
For realizing above-mentioned distributed virtual desktop management system and method, the present invention by the following technical solutions:
A kind of distributed virtual desktop management system, comprise: a plurality of by the server node of network interconnection, each server node comprises virtual desktop management node and a plurality of desktop virtual machine, each desktop virtual machine comprises a desktop proxy module, the virtual desktop management node of each server node is by network interconnection, form distributed desktop management cluster, each described virtual desktop management node comprises virtual desktop administration module, network topology management module and shared data bank module.
Wherein, described virtual desktop administration module is for providing the subscriber administration interface of desktop virtual, the interface provided by calling virtual management software, carry out the virtual desktop management role in book server, comprise calculating, storage and the network resource management of desktop Template Manager, desktop Virtual Machine Manager and server system; The virtual desktop administration module, by the desktop proxy module in the desktop virtual machine, is monitored desktop virtual machine internal state and is carried out supervisory instruction.
Wherein, described network topology management module adds and exits event for Maintenance Point, and the shared data bank module is for stored configuration and status data synchrodata between all virtual desktop management nodes.
Wherein, in a plurality of virtual desktop management nodes in described distributed desktop management cluster, be provided with a master control virtual desktop management node, described master control virtual desktop management node is also be used to carrying out the overall scheduling task of distributed desktop management cluster.
Wherein, described virtual desktop management node receives and carries out the dispatch command that master control virtual desktop management node sends, and described dispatch command comprises template file synchronously and operation and the appointment of virtual desktop; Described virtual desktop management node also, be used to collecting the local state change information of server node, sends to master control virtual desktop management node.
A kind of distributed virtual desktop management method comprises:
When the initialization of virtual desktop management node or operation, notify the master control virtual desktop management node positional information in described virtual desktop management node virtual desktop management cluster, described virtual desktop management node is joined to the virtual desktop management cluster;
The virtual desktop management node is saved in the shared data bank module by data, and the shared data bank module is synchronized to other virtual desktop management node in cluster by data;
Master control virtual desktop management node, according to configuration data and the state information of virtual desktop management cluster, is carried out the distribution of desktop template file and establishment and the deletion task of idle desktop virtual machine;
Master control virtual desktop management node receives terminal use's desktop request, the corresponding desktop virtual machine response of scheduling user's desktop request in the virtual desktop management cluster.
Wherein, described when the initialization of virtual desktop management node or operation, notify the master control virtual desktop management node positional information in described virtual desktop management node virtual desktop management cluster, described virtual desktop management node joined to the virtual desktop management cluster, further comprise:
After the virtual desktop management node joined the virtual desktop management cluster, the network topology management module joined the clustered node list by new node, gave new node right to be elected parameter, and right to be elected parameter represents that this node is elected as the priority of main controlled node;
When the network topology management module detects main controlled node and exits cluster, trigger the right to be elected parameter of virtual desktop management cluster according to each node, the main controlled node that election makes new advances;
The network topology management module detects in cluster while having a plurality of main controlled node, triggers the right to be elected parameter of virtual desktop management cluster according to each node, elects unique main controlled node.
Wherein, described virtual desktop management node is saved in the shared data bank module by data, the shared data bank module is synchronized to data in other virtual desktop management node in cluster, when there being new virtual desktop management node to add the virtual desktop management cluster, the shared data bank module completes new virtual desktop management node and synchronizes with the data between the original virtual desktop management node of virtual desktop management cluster.
Wherein, described master control virtual desktop management node, according to configuration data and the state information of virtual desktop management cluster, is carried out the distribution of desktop template file and establishment and the deletion task of idle desktop virtual machine and is further comprised the steps:
When master control virtual desktop management node receives new virtual desktop management node and adds virtual desktop management cluster event, master control virtual desktop management node analyzing virtual desktop management cluster state, start the GSLB scheduler task, readjust template file and the distribution of desktop virtual machine in cluster;
When master control virtual desktop management node receives the virtual desktop management node and exits virtual desktop management cluster event, master control virtual desktop management node analyzing virtual desktop management cluster state, start the GSLB scheduler task, readjust template file and the distribution of desktop virtual machine in the virtual desktop management cluster;
When master control virtual desktop management node receives new template file distribution event, according to the publishing policy of new template file, start the template file synchronous task;
When master control virtual desktop management node received idle desktop quota parameter modification event, master control virtual desktop management node, according to the distribution of the load Distribution in cluster and template file, created or deletes the desktop virtual machine of respective numbers;
Master control virtual desktop management node is saved in the shared data bank module by scheduler task and executing state, and after master control virtual desktop management node exited cluster, new master control virtual desktop management node continued to safeguard scheduler task pending or that carrying out.
Wherein, described master control virtual desktop management node receives terminal use's desktop request, in the virtual desktop management cluster, dispatch in desktop proxy module response request, when desktop virtual machine that the terminal use please look for novelty, whether the inspection of master control virtual desktop management node available free desktop, if have, just according to the load Distribution strategy, select an idle desktop and be assigned to the terminal use, if there is no idle desktop, virtual desktop quantity does not arrive maximum quota simultaneously, master control virtual desktop management node is according to server node of load Distribution policy selection, create a new desktop virtual machine and be assigned to the terminal use.
Beneficial effect of the present invention is: in distributed desktop virtual management system, the virtual desktop management system adopts distributed deployment, each virtualized server deploy has the virtual desktop management node, form distributed virtual desktop management cluster, on this system-based, adopt corresponding virtual desktop dispatching method, this system deployment way and dispatching method can effectively improve system reliability, realize simultaneously the level and smooth expansion of managerial ability.
The accompanying drawing explanation
Fig. 1 is the first example structure schematic diagram of a kind of distributed virtual desktop management system of the present invention;
Fig. 2 is the structural representation of conventional desktop virtualization system;
Fig. 3 is the variation schematic diagram of the server node list of a kind of distributed virtual desktop management system of the present invention;
Fig. 4 is the event handling flow chart that in a kind of distributed virtual desktop of the present invention dispatching method, the virtual desktop management node lost efficacy;
Fig. 5 is the event handling flow chart that in a kind of distributed virtual desktop of the present invention dispatching method, new virtual desktop management node adds cluster;
Fig. 6 is the process chart of management node when in a kind of distributed virtual desktop of the present invention dispatching method, master control virtual desktop management node clashes;
Fig. 7 arranges the process chart of master control virtual desktop management node in a kind of distributed virtual desktop of the present invention dispatching method;
Fig. 8 is a kind of desktop template file distribution schematic diagram in a kind of distributed virtual desktop of the present invention dispatching method;
Fig. 9 is the process chart that in a kind of distributed virtual desktop of the present invention dispatching method, master control virtual desktop management node is controlled the distribution of desktop template file;
Figure 10 is the process chart of safeguarding the idle desktop quantity in desktop pond in a kind of distributed virtual desktop of the present invention dispatching method;
Figure 11 assigns the process chart of desktop virtual machine in a kind of distributed virtual desktop of the present invention dispatching method.
Embodiment
Below in conjunction with accompanying drawing and by embodiment, further illustrate technical scheme of the present invention.
Fig. 1 is the structural representation of the first embodiment of a kind of distributed virtual desktop management system of the present invention, as shown in the figure, this system comprises a plurality of server nodes by network interconnection 100, each server node comprises virtual desktop management node 140 and a plurality of desktop virtual machine 110, each desktop virtual machine 110 comprises a desktop proxy module 111, the virtual desktop management node 140 of each server node 100 is by network 150 interconnection, form distributed desktop management cluster, each described virtual desktop management node 140 comprises virtual desktop administration module 141, network topology management module 143 and shared data bank module 142.
Described virtual management software 120, as Xenserver, ESXi, Hyper-v and KVM, be virtual Hypervisor software, is the operating system software be deployed on server hardware 130.The interface that virtual desktop management node 140 externally provides by calling local virtual management software 120, management and the control of realization to server calculating, storage, Internet resources and virtual machine, virtual desktop management node 140 provide the user management of virtual desktop and the access control ability of terminal client 160 simultaneously.
In contrast to the basic framework of existing desktop virtual system as shown in Figure 2, in distributed desktop virtual management system, the virtual desktop management system adopts distributed deployment, the virtual desktop management node of each virtualized server deploy, form distributed virtual desktop management cluster, this system deployment way can effectively improve system reliability, realizes simultaneously the level and smooth expansion of managerial ability.
Particularly, described virtual desktop administration module 141 is be used to providing subscriber administration interface, the interface provided by calling virtual management software 120, carry out the virtual desktop management role in book server, comprise calculating, storage and the network resource management of desktop Template Manager, desktop Virtual Machine Manager and server system; Virtual desktop administration module 141, by the desktop proxy module in desktop virtual machine 110, is monitored desktop virtual machine 110 internal states and is carried out supervisory instruction.
Particularly, shared data bank module 142, for the management data of storage system, comprises configuration, event, task and status data.Shared data bank module 142 in cluster forms distributed shared data storehouse cluster, and data are real-time synchronization between the shared data bank module, when having new server node 100 to add cluster, automatically completes data synchronous.Arbitrary node in cluster is to shared data bank module 142 data writings, and in cluster, other node also can read this data at once, and shared data bank module 142 provides reliably for the virtual desktop management system, conforming structural data storage capacity.
In distributed virtual desktop management system of the present invention, due to reasons such as system maintenance, network failure, server hardware fault or software faults, thereby can cause server node 100 to exit cluster and cause node failure, when fault recovery, server node 100 adds cluster again, causes the dynamic change of cluster internal server node listing.In order to guarantee the serviceability of system, network topology management module 143 adapts to this dynamic change automatically.As shown in (a) in Fig. 3, virtual desktop management node 140 can form a full network topology structure connected, a master control virtual desktop management node is arranged, each virtual desktop management node 140 is with main franchise configuration parameter, this parameter can be that system generates automatically, for example the numerical values recited according to the time sequencing that adds cluster or IP address sorts, also can be by Administrator.The inefficacy of virtual desktop management node 140 can be divided into non-master control virtual desktop management node inefficacy and two kinds of situations of master control virtual desktop management node inefficacy, respectively as shown in (b) and (c) in Fig. 3 in Fig. 3.Non-master control virtual desktop management node lost efficacy, and can not trigger the change of master control virtual desktop management node; Master control virtual desktop management node lost efficacy, and system can regenerate new master control virtual desktop management node.As shown in (d) in Fig. 3, after new virtual desktop management node 5 joined cluster, virtual desktop management node 5 was set up network with other all virtual desktop desktop management nodes and is connected, and the network topology management module is upgraded the clustered node list.
Particularly, described virtual desktop management node 140 receives and carries out the dispatch command that master control virtual desktop management node sends, and described dispatch command comprises template file synchronously and operation and the appointment of virtual desktop; Described virtual desktop management node also, be used to collecting the local state change information of server node 100, sends to master control virtual desktop management node.
A kind of distributed virtual desktop of the present invention dispatching method comprises:
When 140 initialization of virtual desktop management node or operation, notify the master control virtual desktop management node position in described virtual desktop management node virtual desktop management cluster, described virtual desktop management node 140 is joined to the virtual desktop management cluster; Network topology management module 143 is processed the event that the virtual desktop management node adds and exit the virtual desktop management cluster;
Virtual desktop management node 140 is saved in shared data bank module 142 by data, and shared data bank module 142 is synchronized to other virtual desktop management node 140 in the virtual desktop management cluster by data;
Master control virtual desktop management node, according to configuration data and the state information of virtual desktop management cluster, is carried out the distribution of desktop template file and establishment and the deletion task of idle desktop virtual machine;
Master control virtual desktop management node receives the desktop request of terminal client 160, scheduling desktop proxy module 111 response request in the virtual desktop management cluster.
The method, on the basis of distributed desktop virtual management system, is transferred by the management role that desktop is virtual, has effectively improved reliability and the autgmentability of distributed virtual desktop management.
Particularly, Fig. 4 has described network topology management module 143 and the event handling flow process that other virtual desktop management node 140 lost efficacy detected.After the event that other virtual desktop management node 140 inefficacies detected, at first whether the virtual desktop management node 140 of judgement inefficacy is main controlled node, if the virtual desktop management node 140 lost efficacy is not master control virtual desktop management node, finish after upgrading node listing and state information, if master control virtual desktop management node, start to elect master control virtual desktop management node, at first relatively the main separation of each virtual desktop management node 140 is lifted weight parameter, have the virtual desktop management node 140 of high franchise and become candidate's master control virtual desktop management node, candidate's virtual desktop management main controlled node, need to send the message of consulting to become master control virtual desktop management node to all virtual desktop management nodes 140 in the virtual desktop management cluster, after the confirmation that obtains all virtual desktop management nodes 140 is replied, become master control virtual desktop management node, if consult unsuccessfully, negotiation message is retransmitted in the time delay of candidate's master control virtual desktop management node, unless event interrupt negotiations process, the event that can interrupt consulting comprises that new virtual desktop management node 140 adds and exit the event of cluster event and keeper's 170 appointment master control virtual desktop management nodes.
Particularly, Fig. 5 has described network topology management module 143 and the event handling flow process that new virtual desktop management node adds cluster detected.After new virtual desktop management node adds the event of virtual desktop management cluster generally to occur in after new virtual desktop management node has created to add and has virtual desktop management cluster or old virtual desktop management node and leave the virtual desktop management cluster, come back to the virtual desktop management cluster.After receiving virtual desktop management node 140 and adding the event of virtual desktop management cluster, whether the node that first judgement newly adds is master control virtual desktop management node, if not master control virtual desktop management node, finish after renewal node listing and state information; If new virtual desktop management node is main controlled node, will further judge in the virtual desktop management cluster whether other master control virtual desktop management node will be arranged, if enter master control virtual desktop management node conflict handling process, otherwise finish after upgrading node listing and state information.
Particularly, Fig. 6 has described the handling process of management node while master control virtual desktop management node collision event being detected.The virtual desktop management cluster is under various failure conditions, be difficult to guarantee the fully-connected network topology, also may produce the network division, form a plurality of network subset groups, the sub-cluster that generally can allow to have most virtual desktop management node 1410 members can elect master control virtual desktop management node, but due to factors such as the time delay of processing and network disaster recovery time delays, in the virtual desktop management cluster, may have the existence that some virtual desktop management node detects a plurality of master control virtual desktop management nodes, trigger master control virtual desktop management node collision event handling process.After collision event being detected, at first obtain the main separation of each master control virtual desktop management node and lift weight parameter, identify and have the master control virtual desktop management node that the highest main separation is lifted weight parameter, master control virtual desktop management node to other sends the message of cancelling the master control authority, and records master control virtual desktop management node conflict daily record.
Particularly, Fig. 7 has described the handling process that keeper 170 arranges master control virtual desktop management node.The keeper can pass through maintenance terminal, specify specific virtual desktop management node 140 to be master control virtual desktop management node, maintenance terminal can be mounted in the application software on the maintenance terminal computer, can, based on the page terminal of Web browser, can also be also the order line character terminal.Maintenance terminal can only specify a virtual desktop management node 140 to be master control virtual desktop management node simultaneously.After certain virtual desktop management node 140 receives the order that is set to master control virtual desktop management node, at first whether inquiry exists other master control virtual desktop management node in node listing, if exist, to other master control virtual desktop management node, send the message of cancelling the master control authority, then this virtual desktop management node 140 is set for master control virtual desktop management node and at virtual desktop management cluster broadcast announcement, process ends after renewal node listing state information.
Particularly, Fig. 8 has described a kind of task scene of desktop template file distribution.Desktop template file distributed tasks is that master control virtual desktop management node is initiated, by source virtual desktop management node and the common a kind of overall scheduling task carried out of purpose virtual desktop management node, can be by multiple Event triggered, comprise the virtual desktop management node add and leave virtual desktop management cluster event, new master control virtual desktop management node produces event, newly-built desktop template file generation event etc.The desktop template file is the stamper image file that creates desktop virtual machine 110, in the distributed type assemblies environment, if do not configure shared memory systems, need the desktop template file is copied to this locality storage of a plurality of server nodes 100, only have the copy that has the desktop template file when server node 100 this locality, just can be at the desktop virtual machine 110 of book server node 100 establishments based on this desktop template file.The distributed tasks of desktop template file, can User the rule of configuration carry out, also can be by the load condition Real-Time Scheduling of master control virtual desktop management node according to system.In the task scene that Fig. 8 describes, by master control virtual desktop management node, controlled the distribution of all desktop template files, distribution procedure guarantees that each desktop template file has two parts of copies in the virtual desktop management cluster, and the distribution of keeping in balance as much as possible.As shown in Figure 8, desktop template file T1, T2, T3 are arranged in server node a, desktop template file T4 is arranged in server node c, wherein T1, T2 are synchronized to server node b, T3 is synchronized to server node c, and T4 is synchronized to server node b, and last server node a and server node b preserve 3 desktop template files, server c preserves 2 desktop template files, and desktop template file T1, T2, T3, T4 have two copies.Master control virtual desktop management node, when creating desktop template file distributed tasks, can, with reference to more virtual desktop management cluster environmental parameter, comprise the utilization ratio of storage resources of server node 100, the load of server computational resource, network state etc.Usually master control virtual desktop management node can be safeguarded a task list, in order scheduling successively.The list of desktop template file distributed tasks, can be persisted to shared data bank module 142, the progress of tasks carrying can be updated and notify master control virtual desktop management node, and master control virtual desktop management node is query task executing state regularly also, the boot sequence of control task.When master control virtual desktop management node switched, new master control virtual desktop management node can obtain task list information from shared data bank module 142, continued to safeguard this task list until all tasks finish.
Particularly, Fig. 9 has described master control virtual desktop management node and has controlled the handling process that the desktop template file is distributed.Master control virtual desktop management node is after receiving the event that triggers the distribution of desktop template file, at first from shared data bank module 142, read the list of current template file distributed tasks, according to the Distribution Strategy of the desktop template file distribution in the virtual desktop management cluster and desktop template file, analyze and whether need to create new desktop template file distributed tasks.If do not have new task to create, this handling process finishes; If there is new task to create, master control virtual desktop management node adds newly creating of task to task list, and is saved in shared data bank module 142; Then check and whether have task to start, if having, start corresponding task, upgrade process ends after task status.
Particularly, Figure 10 has described the handling process of safeguarding the idle desktop quantity in desktop pond.Generally, the desktop pond is based on the same desktop template file, has the set of the desktop virtual machine 110 of same size, the idle desktop quantity that the desktop pond disposes maximum desktop quantity and pre-creates, wherein idle desktop refers to the desktop virtual machine 110 that is pre-created but is not assigned, so that the user can obtain rapidly desktop virtual machine 110 while asking.Setting and the change of the idle desktop quantity in desktop pond all can trigger the handling process that master control virtual desktop management node is safeguarded the idle desktop quantity in desktop pond, by selecting suitable server node 100 create or delete idle desktop, allow the desktop virtual machine 110 in desktop pond in cluster, reach default quantity and load Distribution.As shown in figure 10, master control virtual desktop management node is in the beginning of handling process, first according to desktop pond configuration parameter and current state, judge whether current idle desktop quantity has exceeded configuration, if surpassed, just calculate the idle desktop that the idle desktop quantity that need to close the needs of picking out respective numbers are closed, generate idle desktop and close task and be saved in shared data bank module 142, close successively idle desktop; If current idle desktop quantity is less than configuration, master control virtual desktop management node calculates needs the idle desktop quantity created, and be idle desktop given server node 100 to be created, generate corresponding idle desktop creation task and be saved in shared data bank module 142, creating successively idle desktop.No matter be the idle desktop of Delete superfluous or create new idle desktop, system, when selecting idle desktop or server node 100, all guarantees to reach the load Distribution of expection.
Particularly, Figure 11 has described the handling process of master control virtual desktop management node appointment desktop virtual machine 110; The appointment of desktop virtual machine 110 is also a kind of overall scheduling task; Master control virtual desktop management node receives the desktop request of terminal client 160, if request is old desktop, the state information that master control virtual desktop management node can be inquired about this desktop virtual machine 110, judge whether to start, if this desktop virtual machine 110 is not activated, master control virtual desktop management node can notify the virtual desktop management node 140 of its place server node 100 to start this desktop virtual machine 110, then is assigned to this terminal client 160; If request is new desktop, master control virtual desktop management node can be inquired about whether available free desktop virtual machine 110 of corresponding desktop pond, if having, just from idle desktop, selecting one, is assigned to this terminal client 160; If request is new desktop, simultaneously corresponding desktop pond does not have idle desktop virtual machine 110 yet, main controlled node judges in the desktop pond, whether virtual desktop quantity has arrived maximum, if arrived maximum, return to terminal client 160 and there is no vacant desktop message, if also be less than maximum, master control virtual desktop management node is according to the distribution situation of load Distribution strategy and desktop template file, at the virtual desktop management cluster, select a server node 100, and on this server node 100, create corresponding desktop virtual machine 110 and be assigned to this terminal client 160.
The above; only be the present invention's embodiment preferably, but protection scope of the present invention is not limited to this, anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. distributed virtual desktop management system, it is characterized in that, comprise: a plurality of by the server node of network interconnection, each server node comprises virtual desktop management node and a plurality of desktop virtual machine, each desktop virtual machine comprises a desktop proxy module, the virtual desktop management node of each server node is by network interconnection, form distributed desktop management cluster, each described virtual desktop management node comprises virtual desktop administration module, network topology management module and shared data bank module.
2. a kind of distributed virtual desktop management system according to claim 1, it is characterized in that, described virtual desktop administration module is for providing the subscriber administration interface of desktop virtual, the interface provided by calling virtual management software, carry out the virtual desktop management role in book server, comprise calculating, storage and the network resource management of desktop Template Manager, desktop Virtual Machine Manager and server system; The virtual desktop administration module, by the desktop proxy module in the desktop virtual machine, is monitored desktop virtual machine internal state and is carried out supervisory instruction.
3. a kind of distributed virtual desktop management system according to claim 1, it is characterized in that, described network topology management module is used for adding of Maintenance Point and exits event, the shared data bank module is for stored configuration and status data, and between all virtual desktop management nodes synchrodata.
4. a kind of distributed virtual desktop management system according to claim 1, it is characterized in that, in a plurality of virtual desktop management nodes in described distributed desktop management cluster, be provided with a master control virtual desktop management node, described master control virtual desktop management node is also be used to carrying out the overall scheduling task of distributed desktop management cluster.
5. a kind of distributed virtual desktop management system according to claim 4, it is characterized in that, described virtual desktop management node receives and carries out the dispatch command that master control virtual desktop management node sends, and described dispatch command comprises template file synchronously and operation and the appointment of virtual desktop; Described virtual desktop management node also, be used to collecting the local state change information of server node, sends to master control virtual desktop management node.
6. a distributed virtual desktop management method, is characterized in that, comprising:
When the initialization of virtual desktop management node or operation, notify the master control virtual desktop management node positional information in described virtual desktop management node virtual desktop management cluster, described virtual desktop management node is joined to the virtual desktop management cluster;
The virtual desktop management node is saved in the shared data bank module by data, and the shared data bank module is synchronized to other virtual desktop management node in cluster by data;
Master control virtual desktop management node, according to configuration data and the state information of virtual desktop management cluster, is carried out the distribution of desktop template file and establishment and the deletion task of idle desktop virtual machine;
Master control virtual desktop management node receives terminal use's desktop request, the corresponding desktop virtual machine response of scheduling user's desktop request in the virtual desktop management cluster.
7. a kind of distributed virtual desktop management method according to claim 6, it is characterized in that, described when the initialization of virtual desktop management node or operation, notify the master control virtual desktop management node positional information in described virtual desktop management node virtual desktop management cluster, described virtual desktop management node is joined to the virtual desktop management cluster, further comprises:
After the virtual desktop management node joined the virtual desktop management cluster, the network topology management module joined the clustered node list by new node, gave new node right to be elected parameter, and right to be elected parameter represents that this node is elected as the priority of main controlled node;
When the network topology management module detects main controlled node and exits cluster, trigger the right to be elected parameter of virtual desktop management cluster according to each node, the main controlled node that election makes new advances;
The network topology management module detects in cluster while having a plurality of main controlled node, triggers the right to be elected parameter of virtual desktop management cluster according to each node, elects unique main controlled node.
8. a kind of distributed virtual desktop management method according to claim 6, it is characterized in that, described virtual desktop management node is saved in the shared data bank module by data, the shared data bank module is synchronized to data in other virtual desktop management node in cluster, when there being new virtual desktop management node to add the virtual desktop management cluster, the shared data bank module completes new virtual desktop management node and synchronizes with the data between the original virtual desktop management node of virtual desktop management cluster.
9. a kind of distributed virtual desktop management method according to claim 6, it is characterized in that, described master control virtual desktop management node, according to configuration data and the state information of virtual desktop management cluster, is carried out the distribution of desktop template file and establishment and the deletion task of idle desktop virtual machine and is further comprised the steps:
When master control virtual desktop management node receives new virtual desktop management node and adds virtual desktop management cluster event, master control virtual desktop management node analyzing virtual desktop management cluster state, start the GSLB scheduler task, readjust template file and the distribution of desktop virtual machine in cluster;
When master control virtual desktop management node receives the virtual desktop management node and exits virtual desktop management cluster event, master control virtual desktop management node analyzing virtual desktop management cluster state, start the GSLB scheduler task, readjust template file and the distribution of desktop virtual machine in cluster;
When master control virtual desktop management node receives new template file distribution event, according to the publishing policy of new template file, start the template file synchronous task;
When master control virtual desktop management node received idle desktop quota parameter modification event, master control virtual desktop management node, according to the distribution of the load Distribution in cluster and template file, created or deletes the desktop virtual machine of respective numbers;
Master control virtual desktop management node is saved in the shared data bank module by scheduler task and executing state, and after master control virtual desktop management node exited cluster, new master control virtual desktop management node such as continued to safeguard at the scheduler task pending or that carrying out.
10. a kind of distributed virtual desktop management method according to claim 6, it is characterized in that, described master control virtual desktop management node receives terminal use's desktop request, in the virtual desktop management cluster, dispatch in desktop proxy module response request, when desktop virtual machine that the terminal use please look for novelty, whether the inspection of master control virtual desktop management node available free desktop, if have, just according to the load Distribution strategy, select an idle desktop and be assigned to the terminal use, if there is no idle desktop, virtual desktop quantity does not arrive maximum quota simultaneously, master control virtual desktop management node is according to server node of load Distribution policy selection, create a new desktop virtual machine and be assigned to the terminal use.
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