CN102387205B - Method and device for locating position of virtual machine - Google Patents
Method and device for locating position of virtual machine Download PDFInfo
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- CN102387205B CN102387205B CN 201110322665 CN201110322665A CN102387205B CN 102387205 B CN102387205 B CN 102387205B CN 201110322665 CN201110322665 CN 201110322665 CN 201110322665 A CN201110322665 A CN 201110322665A CN 102387205 B CN102387205 B CN 102387205B
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Abstract
The invention discloses a method for locating a position of a virtual machine. The method comprises the following steps of: when detecting a VM (Virtual Memory) motion event, acquiring an MAC (Media Access Control) address of a moved VM and further obtaining recorded switching-in position information of the VM according to the MAC address of the VM; if determining that the switching-in position information is the newest switching-in position information, successfully locating; or else, locating through an SNMP (Simple Network Management Protocol) real-time detection and updating the switching-in position information of the VM. Based on the same inventive concept, the invention also provides a device; and the device is not limited by the manufacturer compatibility and the networking application so that the locating efficiency of the VM is improved.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of virtual machine location positioning method and device.
Background technology
Introduce Intel Virtualization Technology in the scenes such as data center after, the position of server access network is not often just fixed.The migration (VMotion) caused such as HA, DRS, DPM etc., or the VMotion caused according to set monitoring resource strategy, virtual machine (VM) may change the network site at place at any time.
When VMotion, whether the VM main frame can normally move, and except the resource rational management on server, the rational management that its network connects is also necessary, such as network configuration such as ACL, QoS, VLAN.In order to guarantee the business continuance of VM, except virtualization software can guarantee the fast transferring of VM on server, corresponding network connects configuration emigration and also needs to complete in real time, realizes the data center network moving with need.
When virtual network configuration is moved, need to be deployed in the corresponding interface of physical switches for the virtual interface (vNic) of each VM, therefore need webmaster can orient in real time, accurately access switch and the access interface of the rear access network of VM migration.
But not yet effectively be not subject to the restriction that manufacturer is compatible and networking is applied in existing realization the, and the high VM location positioning method of efficiency.
Summary of the invention
In view of this, the invention provides a kind of virtual machine location positioning method and device, can not be subject to the restriction that manufacturer is compatible and networking is applied, improve VM position location efficiency.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of virtual machine location positioning method, record the accessing position information of each VM, and wherein, described accessing position information comprises the MAC Address of VM, and described method comprises:
The remote authentication dial-in customer that switch reports if listen to serves Radius message or mac learning warning message, obtain the accessing position information of the VM carried in described Radius message or mac learning warning message, and upgrade the accessing position information of this VM of described record;
If the VM migration event detected, obtain the MAC Address of the VM of migration according to described migration event, and inquire about in the accessing position information of described record according to described MAC Address, obtain the accessing position information of the VM of described migration, if the up-to-date accessing position information that the accessing position information obtained is this VM, the current accessing position information that the accessing position information of determining record is this VM; Otherwise, locate this VM by Simple Network Management Protocol SNMP real-time detection, and the accessing position information of this VM of new record more.
A kind of virtual machine location position device, described device comprises: record cell, monitoring unit, detecting unit, acquiring unit and determining unit;
Described record cell, for recording the accessing position information of each virtual machine VM, wherein, described accessing position information comprises the medium access access control MAC addresses of VM;
Described monitoring unit, the remote authentication dial-in customer who reports for snooping switch serves Radius message and mac learning warning message;
Described detecting unit, for detection of the VM migration event;
Described acquiring unit, when listening to Radius message that switch reports or mac learning warning message when described monitoring unit, obtain the accessing position information of the VM that described Radius message or mac learning warning message carry, and make described record cell upgrade the accessing position information of this VM of described record; When described detecting unit detects the VM migration event, obtain the MAC Address of the VM of migration according to described migration event, and inquire about in the accessing position information of described recording unit records, obtain the accessing position information of the VM of described migration;
Described determining unit, if the up-to-date accessing position information that is this VM for the accessing position information that obtains, the current accessing position information that the accessing position information of determining record is this VM; Otherwise, locate this VM by Simple Network Management Protocol SNMP real-time detection, and make the more accessing position information of this VM of new record of described record cell.
In sum, the present invention when the VM migration event being detected, obtains the MAC Address of the VM of migration, according to this VM address, further obtains accessing position information, if determine that accessing position information is up-to-date accessing position information, locates successfully; Otherwise, by the SNMP real-time detection, position, and the accessing position information of this VM of new record more.Can not be subject to the restriction that manufacturer is compatible and networking is applied, improve VM position location efficiency.
The accompanying drawing explanation
Fig. 1 is virtual machine location positioning method flow chart in the embodiment of the present invention;
Fig. 2 is virtual machine location position device structural representation in the specific embodiment of the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, scheme of the present invention is described in further detail.
Referring to Fig. 1, Fig. 1 is virtual machine location positioning method flow chart in the embodiment of the present invention.Concrete steps are:
Step 101, webmaster records the accessing position information of each VM, and wherein, accessing position information comprises the MAC Address of VM.
Step 102, if webmaster listens to Radius message or mac learning warning message that switch reports, obtain the accessing position information of the VM carried in this Radius message or mac learning warning message, and upgrade the accessing position information of this VM of self record.
If configured Radius on the migration target switch of VM or mac learning Trap reports, after the VM migration, target switch can report Radius or mac learning warning message, webmaster can listen to Radius message or mac learning warning message, and obtain the accessing position information of VM in message, and new record more.At this moment the accessing position information corresponding to this VM of record is up-to-date.If do not configure Radius on the migration target switch of VM and mac learning Trap reports, after the VM migration, target switch can not reported, and the accessing position information of this VM of webmaster record is the front accessing position information of this VM migration.
Step 103, if webmaster detects the VM migration event, obtain the MAC Address of the VM of migration according to this migration event, and inquire about in the accessing position information of record according to this MAC Address, obtains the accessing position information of this VM.
The method that the VM migration event detected in this step is: webmaster is registered on the server of self-management, monitor the VM migration event, while having new VM to move to certain server, the IP address of this server during according to gateway registration, report the VM migration event, this VM migration event is carried the MAC Address of the VM of migration.The method of detection VM migration event described herein is concrete example, and specific implementation can be determined the method that detects the VM migration event according to practical application.
Step 104, determine whether the accessing position information obtained is the up-to-date accessing position information of this VM, if so, performs step 105; Otherwise, perform step 106.
Step 105, webmaster is determined the current accessing position information that the accessing position information of record is this VM.
In this step, webmaster determines that the accessing position information of this record is up-to-date accessing position information, after this VM migration, has reported up-to-date accessing position information, and has carried out the on-position renewal of this VM, now locates successfully.
Step 106, webmaster is located this VM by the SNMP real-time detection, and the accessing position information of this VM of new record more.
Webmaster determines that the accessing position information of this record is not up-to-date accessing position information, i.e. after this VM migration, do not reported up-to-date accessing position information, now locates unsuccessfully, needs execution step 106.
Accessing position information also comprises MAC Address, access switch IP address, access interface number and the accessing virtual LAN sign VLAN ID of VM.
The method of determining the up-to-date accessing position information that the accessing position information obtain is this VM in embodiments of the invention is: according to the MAC Address of obtaining, access switch IP address and access VLAN ID, determine that the current access interface of this VM number and the access interface obtained are number consistent.
Wherein, determine that according to the MAC Address of obtaining, access switch IP address and access VLAN ID the current access interface of VM number and the access interface obtained number consistent method is:
According to simple network agreement reading out data (SNMP-GET) request message of the mac learning node (dot1qTpFdbPort) of the MAC Address of obtaining, access switch IP address and access VLAN ID structural exploration bridge tube reason information bank (Dot1qBridge MIB) and send, receive the SNMP-GET response message and the access interface that carries number number consistent with the described access interface obtained.Wherein, the mac learning nodename that dot1qTpFdbPort is the snmp protocol Plays.
If the SNMP-GET response failure message that Preset Time is not received the SNMP-GET response message or received, or the access interface obtained in the interface number that carries of the response message of receiving and accessing position information at record is number inconsistent, the accessing position information of determining this record is not up-to-date, need to locate in real time, perform step 106.
Locate this VM by the SNMP real-time detection, and more the method for the accessing position information of this VM of new record is:
According to the MAC Address of obtaining and SNMP-GET message the transmission of access VLAN ID to the dot1qTpFdbPort of switch difference structural exploration Dot1qBridge MIB in this access VLAN scope, obtain the accessing position information carried in the SNMP-GET response message, if the access interface learning in the accessing position information obtained, to the MAC Address of other switches and router, is deleted this accessing position information; Otherwise, by this accessing position information accessing position information of the VM of new record more.
Below the process of this VM is located in bright SNMP real-time detection for instance.
The set of supposing all switches of webmaster management is A, at first, according to the VLAN ID pair set A obtained, is filtered, and filters out the switch set B that has configured this VLAN; Secondly, for each switch in set B, according to MAC Address, the access VLAN ID of VM, the SNMP-GET message of the dot1qTpFdbPort of structural exploration Dot1qBridge MIB also sends.If the SNMP-GET response success, add the access interface number in the accessing position information carried in response in set of interfaces C to; Finally, for each interface in set C, according to exchange interface, whether be the judgment principle of terminal access interface, filter out on interface and there is no the interface of study to the MAC Address of other switches and router, position after i.e. this VM migration of accessing position information corresponding to this interface, and the new location information of this VM is updated in terminal access record.
Inventive concept based on same, the present invention also proposes a kind of virtual machine location position device.Referring to Fig. 2, Fig. 2 is virtual machine location position device structural representation in the specific embodiment of the invention.This device comprises: record cell 201, monitoring unit 202, detecting unit 203, acquiring unit 204 and determining unit 205.
Detecting unit 203, for detection of the VM migration event.
Acquiring unit 204, when listening to Radius message that switch reports or mac learning warning message when monitoring unit 202, obtain the accessing position information of the VM that this Radius message or mac learning warning message carry, and make the more accessing position information of this VM of new record of record cell 201; When detecting unit 203 detects the VM migration event, obtain the MAC Address of the VM of migration according to this migration event, and inquire about in the accessing position information of record cell 201 records, obtain the accessing position information of the VM of this migration.
Determining unit 205, if the up-to-date accessing position information that is this VM for the accessing position information that obtains, the current accessing position information that the accessing position information of determining record is this VM; Otherwise, locate this VM by the SNMP real-time detection, and make the more accessing position information of this VM of new record of record cell 201.
Preferably,
Determining unit 205, determine that for the MAC Address obtained according to acquiring unit 204, access switch IP address and access VLAN ID the current access interface of this VM number and the access interface obtained are number consistent, wherein, accessing position information also comprises MAC Address, access switch IP address, access interface number and the accessing virtual LAN sign VLAN ID of VM.
Preferably,
Determining unit 205, the SNMP-GET request message of constructing the mac learning node dot1qTpFdbPort of Dot1qBridge MIB for MAC Address, access switch IP address and the access VLAN ID obtained according to acquiring unit 203 also sends; The access interface that receives the SNMP-GET response message and carry number is number consistent with the described access interface obtained.
Preferably,
Determining unit 205, the MAC Address of obtaining for basis and access VLAN ID are to SNMP-GET message the transmission of the mac learning node dot1qTpFdbPort of structural exploration Dot1qBridge MIB respectively of switch in this access VLAN scope, obtain the accessing position information carried in the SNMP-GET response message, if the access interface learning in the accessing position information obtained, to the MAC Address of other switches and router, is deleted this accessing position information; Otherwise, by this accessing position information, make the more accessing position information of the VM of new record of record cell 201.
The unit of above-described embodiment can be integrated in one, and also can separate deployment; A unit can be merged into, also a plurality of subelements can be further split into.
In sum, in the specific embodiment of the invention according to the migration feature of VM, record the front accessing position information of migration of VM, if configured Radius on the purpose switch of VM migration or mac learning Trap reports, after the VM migration, target switch can report Radius or mac learning warning message, webmaster can listen to Radius message or mac learning warning message, and obtain the accessing position information of VM in message, and new record more, now the accessing position information of record is up-to-date, directly locates successfully; If on the purpose switch of VM migration, Radius and mac learning Trap report configuration, after now VM migration, the accessing position information before the accessing position information of record still moves, need to locate to position by the SNMP real-time detection, and new record more.The present invention is merged monitoring Radius message location, monitoring mac learning Trap location and SNMP real-time detection and is orientated one as, and compatible various manufacturers and networking application improve VM position location efficiency simultaneously.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a virtual machine location positioning method, is characterized in that, records the accessing position information of each virtual machine VM, and wherein, described accessing position information comprises the medium access control MAC Address of VM, and described method comprises:
The remote authentication dial-in customer that switch reports if listen to serves Radius message or mac learning warning message, obtain the accessing position information of the VM carried in described Radius message or mac learning warning message, and upgrade the accessing position information of this VM of described record;
If the VM migration event detected, obtain the MAC Address of the VM of migration according to described migration event, and inquire about in the accessing position information of described record according to described MAC Address, obtain the accessing position information of the VM of described migration, if the up-to-date accessing position information that the accessing position information obtained is this VM, the current accessing position information that the accessing position information of determining record is this VM; Otherwise, locate this VM by Simple Network Management Protocol SNMP real-time detection, and the accessing position information of this VM of new record more.
2. method according to claim 1, is characterized in that,
Described accessing position information also comprises MAC Address, access switch IP address, access interface number and the accessing virtual LAN sign VLAN ID of VM;
Determine that the method that the described accessing position information obtained is the up-to-date accessing position information of this VM is: according to the MAC Address of obtaining, access switch IP address and access VLAN ID, determine that the current access interface of this VM number and the access interface obtained are number consistent.
3. method according to claim 2, is characterized in that,
The MAC Address that described basis is obtained, access switch IP address and access VLAN ID determine that the current access interface of VM number and the access interface obtained number consistent method is:
According to the simple network agreement reading out data SNMP-GET request message of the mac learning node dot1qTpFdbPort of the described MAC Address of obtaining, access switch IP address and access VLAN ID structural exploration bridge tube reason information bank Dot1qBridge MIB and send, receive the SNMP-GET response message and the access interface that carries number number consistent with the described access interface obtained.
4. according to the described method of claim 1-3 any one, it is characterized in that, describedly by the SNMP real-time detection, locate this VM, and more the method for the accessing position information of this VM of new record is:
According to described MAC Address and SNMP-GET message the transmission of access VLAN ID to the dot1qTpFdbPort of switch difference structural exploration Dot1qBridge MIB in described access VLAN scope, obtain the accessing position information carried in the SNMP-GET response message, if the access interface learning in the accessing position information obtained, to the MAC Address of other switches and router, is deleted this accessing position information; Otherwise, by this accessing position information accessing position information of this VM of new record more.
5. a virtual machine location position device, is characterized in that, described device comprises: record cell, monitoring unit, detecting unit, acquiring unit and determining unit;
Described record cell, for recording the accessing position information of each virtual machine VM, wherein, described accessing position information comprises the medium access access control MAC addresses of VM;
Described monitoring unit, the remote authentication dial-in customer who reports for snooping switch serves Radius message and mac learning warning message;
Described detecting unit, for detection of the VM migration event;
Described acquiring unit, when listening to Radius message that switch reports or mac learning warning message when described monitoring unit, obtain the accessing position information of the VM that described Radius message or mac learning warning message carry, and make described record cell upgrade the accessing position information of this VM of described record; When described detecting unit detects the VM migration event, obtain the MAC Address of the VM of migration according to described migration event, and inquire about in the accessing position information of described recording unit records, obtain the accessing position information of the VM of described migration;
Described determining unit, if the up-to-date accessing position information that the accessing position information obtained for described acquiring unit is this VM, the current accessing position information that the accessing position information of determining record is this VM; Otherwise, locate this VM by Simple Network Management Protocol SNMP real-time detection, and make the more accessing position information of this VM of new record of described record cell.
6. device according to claim 5, is characterized in that,
Described determining unit, determine that for the MAC Address obtained according to described acquiring unit, access switch IP address and access VLAN ID the current access interface of this VM number and the access interface obtained are number consistent, wherein, described accessing position information also comprises MAC Address, access switch IP address, access interface number and the accessing virtual LAN sign VLAN ID of VM.
7. device according to claim 6, is characterized in that,
Described determining unit, manage simple network agreement reading out data SNMP-GET request message the transmission of the mac learning node dot1qTpFdbPort of information bank Dot1qBridge MIB for MAC Address, access switch IP address and the access VLAN ID structural exploration bridge tube obtained according to described acquiring unit; The access interface that receives the SNMP-GET response message and carry number is number consistent with the described access interface obtained.
8. according to the described device of claim 5-7 any one, it is characterized in that,
Described determining unit, be used for according to described MAC Address and the SNMP-GET message also transmission of access VLAN ID to the mac learning node dot1qTpFdbPort of switch difference structural exploration Dot1qBridge MIB in described access VLAN scope, obtain the accessing position information carried in the SNMP-GET response message, if the access interface learning in the accessing position information obtained, to the MAC Address of other switches and router, is deleted this accessing position information; Otherwise, by this accessing position information, make the more accessing position information of the VM of new record of described record cell.
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| CN103428018B (en) * | 2012-05-23 | 2016-12-14 | 华为技术有限公司 | The method of virtual machine position, location and equipment thereof |
| CN103812913B (en) * | 2012-11-14 | 2017-11-10 | 新华三技术有限公司 | A kind of remote access method and device based on Virtual Networking Computing |
| CN103179192B (en) * | 2013-02-07 | 2015-11-25 | 杭州华三通信技术有限公司 | The message forwarding method that virtual server moves, system and NAT service equipment |
| CN104038357B (en) * | 2013-03-05 | 2017-09-15 | 新华三技术有限公司 | Virtual machine localization method and equipment under a kind of double layer network Interconnection Environment |
| CN103346911A (en) * | 2013-06-27 | 2013-10-09 | 上海斐讯数据通信技术有限公司 | Method positioning OAM slave units uniquely |
| CN105119827B (en) * | 2015-07-14 | 2018-10-26 | 中国互联网络信息中心 | A kind of judgment method in router geographical location |
| CN108055361B (en) * | 2017-11-21 | 2020-05-22 | 中国科学院信息工程研究所 | Virtual machine positioning method using public service |
| CN110011859B (en) * | 2019-04-15 | 2022-04-29 | 深信服科技股份有限公司 | Virtual machine control method and cluster system |
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