CN103716416B - IP configuration method and apparatus under cloud computing platform - Google Patents

Abstract

The invention discloses an IP configuration method and apparatus under a cloud computing platform. The method comprises the following steps: receiving an IP processing request massage of a user; according to the IP processing request massage of the user, obtaining a distribution mode and a processing instruction; according to the distribution mode, executing the processing instruction; and updating the states of the IP addresses in an IP pool in an IP resource database and updating the states of static IP addresses, such that different distribution strategies are employed for different demands on a cloud platform, and the IP addresses distributed through the different distribution strategies are configured in a unified mode, thus correctness and uniqueness of IP distribution are guaranteed.

Description

IP configuration method and device under a cloud computing platform

technical field

The invention relates to the field of cloud computing, in particular to an IP configuration method and device under a cloud computing platform.

Background technique

In the cloud computing platform, IP resources are provided to users as part of the resources of the cloud computing platform. The configuration of IP is based on the IP pool allocation method. The size of the pool and the start and end positions. The IP pool distribution method refers to the distribution method that automatically selects the IP address from the IP range defined by the administrator in the IP resource database. It is suitable for cloud computing platforms to automatically assign The virtual machine is assigned an IP address.

However, the current cloud computing platform only provides the IP configuration method based on the dynamic allocation of IP pools, which cannot meet the actual needs. In practical applications, traditional data center static IP allocation, DHCP dynamic allocation and other allocation methods often need to be used on the cloud computing platform. , but because the cloud computing platform is not mature enough in terms of IP configuration, when multiple distribution methods coexist on the cloud computing platform, the correctness and uniqueness of IP configuration cannot be guaranteed.

Contents of the invention

In view of this, the main purpose of the present invention is to provide an IP configuration method and device under a cloud computing platform to realize unified and effective configuration of IP addresses with different allocation strategies and ensure the correctness and uniqueness of IP configuration.

The invention provides an IP configuration method under a cloud computing platform, the method comprising:

Receive user IP processing request message;

According to the user IP processing request message, an allocation mode and a processing instruction are obtained, and the allocation mode includes an IP pool allocation mode or a static IP allocation mode;

Execute the processing instruction according to the allocation method;

If the IP address whose status changes during the processing instruction is in the IP pool, update the status information of the IP address in the IP pool in the IP resource database;

If the IP address whose status changes during the processing instruction process is a static IP address, update the status information of the static IP address in the IP resource database;

The IP resource database includes: an IP pool, the corresponding relationship between the IP pool and the server pool, the state information of each IP address in the IP pool, and the state information of the static IP address defined by the user.

Preferably, the IP resource database includes a first database, a second database and a third database;

Wherein, the first database stores the IP address range of the IP pool;

The second database stores the correspondence between the IP pool and the server pool, and the correspondence between the IP pool and the server pool is a many-to-many correspondence;

The third database stores status information of each IP address in the IP pool and status information of static IP addresses defined by users.

Preferably, when the allocation method is specifically an IP pool allocation method, and the processing instruction is specifically an IP address allocation instruction, it further includes: acquiring a user-specified IP pool according to the user IP processing request message;

The execution of the processing instruction according to the distribution method specifically includes the following steps:

Within the scope of the user-specified IP pool of the IP resource database, query the IP addresses whose status is idle;

If the IP address whose status is idle is found, at least one IP address in the idle IP address is assigned to the user, and the updating of the IP resource database is specifically assigning the user to the specified IP pool in the IP resource database The status of the IP address for the user is updated to Allocated.

Preferably, after allocating the IP address to the user, the method further includes: creating a virtual machine, and writing the IP address allocated to the user into the virtual machine configuration file.

Preferably, when the allocation method of the user IP is specifically an IP pool allocation method, and the processing instruction is specifically an instruction to reclaim an IP address, it further includes: processing the request message according to the user IP to obtain the user source IP address;

The execution of the processing instruction according to the allocation method is specifically determining that the state of the user source IP address is changed to idle, and the updating of the IP resource database is specifically changing the state of the user source IP address in the IP resource database Update to idle.

Preferably, after the connection with the user is disconnected, the method further includes: issuing a processing instruction for destroying the virtual machine identified by the user.

The present invention also provides an IP configuration device under a cloud computing platform, the device comprising:

An acquisition unit: used to receive a user IP processing request message, and obtain a distribution method and a processing instruction according to the user IP processing request message;

Processing unit: used to execute processing instructions according to the allocation method, if the IP address whose state changes during the processing instruction process is in the IP pool, update the status information of the IP address in the IP pool in the IP resource database; if the The IP address whose status changes in the process of processing instructions is a static IP address, and the status information of the static IP address in the IP resource database is updated; the IP resource database includes: IP pool, the corresponding relationship between the IP pool and the server pool, the IP Status information for each IP address in the pool and status information for user-defined static IP addresses.

It can be seen that the present invention has the following beneficial effects:

Since the present invention obtains the distribution mode and processing instruction of the user IP according to the user IP processing request message by receiving the user IP processing request message, it realizes the adoption of different distribution strategies for different needs on the cloud platform, and updates the IP address in the IP resource database. The state of the IP address in the pool and the state of updating the static IP address will uniformly configure the IP addresses assigned by different distribution strategies, ensuring the correctness and uniqueness of IP distribution; secondly, through the present invention, it is also possible to distribute IP while Automatically write the IP allocation address into the virtual machine configuration, destroy the virtual machine while reclaiming the IP, and maintain the IP during the entire life cycle of the virtual machine.

Description of drawings

Fig. 1 is a flow chart of an IP configuration method under a cloud computing platform provided by the present invention;

Fig. 2 is a composition diagram of an IP configuration device under a cloud computing platform provided by the present invention.

detailed description

In order to make the above objects, features and advantages of the present invention more comprehensible, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

It should be noted that, the IP configuration method under the cloud computing platform described herein refers to any IP-related processing methods such as IP address allocation, IP address change, and IP address recovery.

Referring to Fig. 1, it is a flow chart of an IP configuration method under a cloud computing platform provided by the present invention, the method comprising:

S101. Receive a user IP processing request message;

S102. Obtain an allocation mode and a processing instruction according to the user IP processing request message, where the allocation mode includes an IP pool allocation mode or a static IP allocation mode;

Wherein, the described processing request message according to the user IP obtains the distribution mode and the processing instruction, which can be realized in the following ways:

(1) The user IP processing request message carries an IP configuration form, obtains the distribution method and processing instructions of the user IP through the IP configuration form, and provides the distribution method on the IP configuration form for the user to choose;

(2) User IP processing request message carries specific IP address and processing instructions, and obtains the distribution mode of user IP by querying whether the IP address exists in the IP resource database and the state of the IP address, such as:

The specific IP address carried in the user IP processing request message is in the IP resource database, and the status is idle or allocated, then it is considered as the IP pool allocation method;

If the specific IP address carried in the user IP processing request message is not in the IP resource database, or is in the IP resource database, and the status is static IP allocation, then the static IP allocation mode is considered.

S103. Execute the processing instruction according to the allocation mode;

S104. If the IP address whose status changes during the processing instruction is in the IP pool, update the status information of the IP address in the IP pool in the IP resource database;

If the IP address whose status changes during the processing instruction process is a static IP address, update the status information of the static IP address in the IP resource database;

The IP resource database includes: an IP pool, the corresponding relationship between the IP pool and the server pool, the state information of each IP address in the IP pool, and the state information of the static IP address defined by the user.

It should be noted that in the IP resource database, the status information of the IP addresses in the IP pool includes two states: allocation and idle; while static IP addresses are generated by allocation and deleted by recycling. Therefore, in the IP resource database, the status information of static IP addresses The state includes static IP allocation state, there is no idle state.

Below, several specific embodiments of the present invention are described in detail in the case of different distribution modes and different processing instructions:

Embodiment (1): when the distribution method of the user IP is specifically an IP pool distribution method, and the processing instruction is specifically an IP address distribution instruction, the present invention also includes:

Process the request message according to the user IP, and obtain the user-specified IP pool;

The execution of the processing instruction according to the distribution method in step S103 specifically includes the following steps:

Within the scope of the user-specified IP pool in the IP resource database, query the IP addresses whose status is idle;

If an idle IP address is found, at least one idle IP address among the idle IP addresses is assigned to the user;

The step S104 includes:

If the IP address whose status changes during the processing instruction is in the IP pool, update the status information of the IP address in the IP pool in the IP resource database;

If the IP address whose status changes during the processing instruction process is a static IP address, update the status information of the static IP address in the IP resource database;

Specifically in this embodiment, the IP address whose status changes during the processing instruction process is in the user-designated IP pool, therefore, the updating of the IP resource database in the step S104 is specifically specifying the user-designated IP pool in the IP resource database The status of the IP address assigned to the user is updated to Allocated.

It should be noted that, if no idle IP address is found within the scope of the user-specified IP pool in the IP resource database, a message that the request for IP allocation fails can be returned to the user, or the IP address can be set in advance. IP is automatically assigned to the user in the candidate IP pool, and the user is notified of the message that the IP is allocated from the candidate IP pool. Therefore, on the basis of the present invention, any method of saving or notifying the IP allocation status can be taken. In this No limitations are set forth in the invention.

It should also be noted that, in this embodiment (1), free IP addresses are queried within the scope of the user-specified IP pool in the IP resource database, specifically, the least recently used algorithm can be used to inquire about suitable free IP addresses , assigning it to said user.

Embodiment (2): When the distribution method of the user IP is specifically a static IP distribution method, and the processing instruction is specifically an IP address distribution instruction, the present invention further includes: processing the request message according to the user IP, and obtaining the specified IP address of the user. IP address range;

The execution of the processing instruction according to the distribution method in step S103 specifically includes the following steps:

For each IP address within the IP address range specified by the user, perform the following operations:

If the IP address already exists in the IP resource database, query the status information of the IP address;

If the status of the IP address is idle, assign the IP address to the user. It should be noted that since the IP address already exists in the IP resource database and the status is idle, the IP address is an IP pool In the IP address, the update of the IP resource database described in step S104 is specifically to update the status of the IP address to assigned;

It should be noted that if the IP address already exists in the IP resource database, and the status of the IP address is allocated or static IP allocation, then the request for allocation of the IP address fails to be processed, and the IP address can be returned to the user The message of distribution request failure can also automatically assign IP for the user from the preset candidate IP pool, and inform the user of the message of distributing IP from the candidate IP pool. Therefore, on the basis of the present invention, any method can be adopted. A way of rescuing or notifying the IP allocation status is not limited in the present invention.

If the IP address does not exist in the IP resource database, the IP address is assigned to the user, and the update of the IP resource database in step S104 is specifically to add the IP address in the IP resource database, and the IP The status of the address is updated to Static IP Assignment.

It should be noted that, under the cloud computing platform, in order to realize the combination of the maintenance of the virtual machine IP and the life cycle of the virtual machine, on the basis of the above embodiments (1) and (2), the present invention proposes that the IP address After being allocated to the user, it also includes: creating a virtual machine, and writing the IP address allocated to the user into the configuration file of the virtual machine.

Embodiment (3): When the distribution method of the user IP is specifically a DHCP distribution method, and the processing instruction is specifically an IP address distribution instruction, the execution of the processing instruction according to the distribution method in step S103 is specifically the allocation of the IP address. The IP address command is sent to the external DHCH server.

Embodiment (four): when the distribution method of the user IP is specifically an IP pool distribution method, and when the processing instruction is specifically an IP address change instruction, it also includes: obtaining the user source IP address and the user source IP address according to the user IP processing request message target IP pool;

Executing the processing instruction according to the allocation method in step S103 is specifically querying an idle IP address within the range of the target IP pool in the IP resource database for the source IP address of the user;

If an idle IP address is found, assigning at least one idle IP address among the idle IP addresses to the user;

The updating of the IP resource database in step 104 is specifically updating the state of the free IP address allocated to the user in the target IP pool to allocated in the IP resource database, and updating the source IP address of the user to The status of is updated to idle.

Embodiment 5: when the distribution method of the user IP is specifically an IP pool distribution method, and the processing instruction is specifically an IP address recycling instruction, it further includes: processing the request message according to the user IP to obtain the user source IP address;

Executing the processing instruction according to the allocation method in step S103 is specifically determining that the status of the source IP address of the user is changed to idle, and updating the IP resource database in step S104 is specifically updating the source IP address of the user in the IP resource database. The status of the IP address is updated to free.

Embodiment 6: when the allocation method of the user IP is specifically static IP allocation, and the processing instruction is specifically an instruction to reclaim the IP address, it also includes: processing the request message according to the user IP to obtain the user source IP address;

In step S103, executing the processing instruction according to the allocation method is specifically to determine that the state of the user source IP address is changed to idle, and the updating of the IP resource database is specifically to delete the user source IP address in the IP resource database and status.

It should be noted that, in order to realize the combination of the maintenance of the virtual machine IP and the life cycle of the virtual machine, on the basis of the above embodiments (5) and (6), the present invention proposes that after disconnecting the user Afterwards, it further includes: issuing a processing instruction for destroying the virtual machine identified by the user.

Next, the IP resource database is introduced in detail. In one embodiment of the present invention, the IP resource database includes a first database, a second database, and a third database, which can be specifically established using a mysql database, and store the following information respectively :

(1) The first database stores the IP address range of the IP pool;

The IP address range stored in the IP pool in the first database is mainly to determine the IP range assigned when the IP is automatically assigned, and the representation is such as 192.168.0.0/24 or 192.168.1.2-200, etc.;

(2) The second database stores the correspondence between the IP pool and the server pool, and the correspondence between the IP pool and the server pool is a many-to-many correspondence;

Since the data center is composed of multiple server pools, the second database stores the corresponding relationship between the IP pools in the first database and the server pools to determine which IP ranges the server pools can use, and the corresponding relationship is multiple pairs Multiple relationships;

(3) The third database stores the state information of each IP address in the IP pool and the state information of the static IP address defined by the user;

The status information of the IP address is used to determine the detailed status of IP allocation, such as determining whether the allocation status is allocated, idle or static IP allocation, and can also be used to determine various status information such as which virtual machine is allocated to. No limitations are set forth in the invention.

It should be noted that, in addition to the updating of the IP resource database triggered by the user IP processing request message mentioned in the above embodiments (1) to (6), the maintenance of the IP resource database in the present invention also includes the administrator's maintenance of the IP resource database. The active management of the IP resource database can specifically be managed by an administrator by providing a web interface, or by the administrator through a command line. The active management of the IP resource database by the administrator mainly includes: IP pool creation, IP pool modification and IP pool deletion:

The creation of the IP pool specifically includes the following steps:

Obtain the newly added IP address range defined by the administrator;

judging whether the newly added IP address range defined by the administrator overlaps with the IP address range defined by the administrator in the first database;

If there are overlapping parts, the IP pool creation fails;

If there is no overlap then:

adding a new IP address range defined by the administrator to the first database;

generating a correspondence between the newly added IP address range defined by the administrator and the server pool in the second database;

judging whether there is an IP address within the newly added IP address range defined by the administrator in the third database;

If so, update the state of the first type of IP address in the third database from static IP allocation to assigned, add the second type of IP address to the third database, and initialize the state of the second type of IP address is free, wherein the first type of IP address is within the newly added IP address range defined by the administrator and is an IP address in the third database, and the second type of IP address is an IP address defined by the administrator IP addresses within the newly added IP address range of , and not in the third database;

If not, adding each IP address within the newly added IP address range defined by the administrator to the third database, and initializing the state as idle.

The modification of the IP pool specifically includes the following steps:

Obtain the modified IP address range and target server pool defined by the administrator;

Querying the third database, whether there is an assigned IP address within the modified IP address range defined by the administrator;

If yes, modifying the IP pool fails;

If not, delete the corresponding relationship between the modified IP address range defined by the administrator and the server pool in the second database, and generate the modified IP address range defined by the administrator and the target in the second database. Correspondence between server pools.

The deletion of the IP pool specifically includes the following steps:

Obtain the deleted IP address range defined by the administrator;

If it is not forcibly deleted, perform the following verification steps and deletion steps;

If it is forcibly deleted, perform the following deletion steps;

The verification steps include:

Judging whether there is an IP address within the scope of the deleted IP address defined by the administrator, whose status in the third database is assigned;

If so, update the status of the third type of IP address in the third database to static IP allocation, and exclude the third type of IP address from the deleted IP address range defined by the administrator, wherein the The third type of IP address is within the range of deleted IP addresses defined by the administrator, and the status in the third database is assigned;

The deletion steps include:

Delete the deleted IP address range defined by the administrator in the first database, delete the corresponding relationship between the deleted IP address range defined by the administrator and the server pool in the second database, and delete in the third database Delete all IP addresses and statuses within the range of deleted IP addresses defined by the administrator in the database.

It should be noted that, in the above embodiments of IP pool creation, IP pool modification, and IP pool deletion, the expression form of the IP address range can be preset according to needs, such as 192.168.0.0/24, 192.168.0.0/255.255.255.0 Or 192.168.0.2-100, and after obtaining the IP address range defined by the administrator, it may also include a step of verifying whether the acquired IP address range expression form defined by the administrator is legal, if not legal, return an error message, and not Execute a corresponding creation, modification or deletion action; in the IP pool creation embodiment, before the new IP address range defined by the administrator is added to the first database, it may also include, judging the new IP address defined by the administrator Whether the IP addresses in the address range include the gateway and broadcast address, if not, generate the default gateway and broadcast address according to the preset gateway standard.

The present invention also provides an IP configuration device under a cloud computing platform, referring to Fig. 2, the device includes:

Obtaining unit 201: used to receive a user IP processing request message, and obtain a distribution method and a processing instruction according to the user IP processing request message;

Processing unit 202: used to execute the processing instruction according to the allocation method, if the IP address whose status changes during the processing instruction is in the IP pool, update the status information of the IP address in the IP pool in the IP resource database; The IP address whose status changes in the process of the above-mentioned processing instruction is a static IP address, and the status information of the static IP address in the IP resource database is updated; the IP resource database includes: IP pool, the corresponding relationship between the IP pool and the server pool, the The status information of each IP address in the IP pool and the status information of the static IP addresses defined by the user.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present invention are included in the protection scope of the present invention.

Claims (13)

1. an IP configuration method under a cloud computing platform, characterized in that, comprising: Receive user IP processing request message; According to the user IP processing request message, an allocation mode and a processing instruction are obtained, and the allocation mode includes an IP pool allocation mode or a static IP allocation mode; Execute the processing instruction according to the allocation method; If the IP address whose status changes during the processing instruction is in the IP pool, update the status information of the IP address in the IP pool in the IP resource database; If the IP address whose status changes during the processing instruction process is a static IP address, update the status information of the static IP address in the IP resource database; The IP resource database includes: an IP pool, the corresponding relationship between the IP pool and the server pool, the state information of each IP address in the IP pool, and the state information of the static IP address defined by the user; When the distribution method is specifically a static IP distribution method, and the processing instruction is specifically an IP address distribution instruction, the method further includes: according to the user IP processing request message, obtaining the IP address range specified by the user; The execution of the processing instruction according to the distribution method specifically includes the following steps: For each IP address within the IP address range specified by the user, perform the following operations: If the IP address already exists in the IP resource database, query the status information of the IP address; If the state of the IP address is idle, assigning the IP address to the user, and the updating the IP resource database is specifically updating the state of the IP address assigned to the user in the IP resource database to assigned; If the IP address does not exist in the IP resource database, assign the IP address to the user, and the update of the IP resource database specifically includes adding the IP address in the IP resource database, and adding the IP address to the IP address. Status update to Static IP Assignment. 2. The method according to claim 1, wherein the distribution method further comprises: a DHCP distribution method; When the allocation mode is specifically a DHCP allocation mode, and the processing instruction is specifically an IP address allocation command, the execution of the processing instruction according to the allocation mode is specifically sending the IP address allocation command to an external DHCH server. 3. The method according to claim 1, wherein when the allocation method is specifically an IP pool allocation method, and the processing instruction is specifically an IP address allocation instruction, further comprising: processing the request message according to the user IP , to obtain the user-specified IP pool; The execution of the processing instruction according to the distribution method specifically includes the following steps: Within the scope of the user-specified IP pool of the IP resource database, query the IP addresses whose status is idle; If the IP address whose status is idle is found, at least one IP address in the idle IP address is assigned to the user, and the updating of the IP resource database is specifically assigning the user to the specified IP pool in the IP resource database The status of the IP address for the user is updated to Allocated. 4. The method according to claim 1 or 3, wherein after assigning the IP address to the user, further comprising: creating a virtual machine, and writing the IP address assigned to the user into the virtual machine configuration file . 5. The method of claim 1, wherein, When the distribution method of the user IP is specifically an IP pool distribution method, and the processing instruction is specifically an instruction to change an IP address, it also includes: processing the request message according to the user IP, and obtaining the user source IP address and the target IP pool; The execution of the processing instruction according to the distribution method specifically includes the following steps: Query idle IP addresses within the scope of the target IP pool in the IP resource database; If an idle IP address is found, assigning at least one idle IP address among the idle IP addresses to the user; The updating of the IP resource database is specifically updating the state of the idle IP address allocated to the user in the target IP pool to allocated, and updating the state of the user's source IP address in the IP resource database. for free. 6. The method of claim 1, wherein, When the distribution method of the user IP is specifically an IP pool distribution method, and the processing instruction is specifically an IP address recycling instruction, it also includes: processing the request message according to the user IP to obtain the user source IP address; The execution of the processing instruction according to the allocation method is specifically determining that the state of the user source IP address is changed to idle, and the updating of the IP resource database is specifically changing the state of the user source IP address in the IP resource database Update to idle. 7. The method of claim 1, wherein, When the allocation method of the user IP is specifically static IP allocation, and the processing instruction is specifically an IP address recycling instruction, it also includes: processing the request message according to the user IP to obtain the user source IP address; The execution of the processing instruction according to the allocation method is specifically to determine that the state of the user source IP address is changed to idle, and the update of the IP resource database is specifically to delete the user source IP address in the IP resource database. address and status. 8. The method according to claim 6 or 7, characterized in that, After determining that the state of the source IP address of the user is changed to idle, the method further includes: issuing a processing instruction for destroying the virtual machine identified by the user. 9. The method according to any one of claims 1-3, 5-7, wherein the IP resource database comprises a first database, a second database and a third database; Wherein, the first database stores an IP pool; The second database stores the correspondence between the IP pool and the server pool, and the correspondence between the IP pool and the server pool is a many-to-many correspondence; The third database stores status information of each IP address in the IP pool and status information of static IP addresses defined by users. 10. The method of claim 9, further comprising: Obtain the newly added IP address range defined by the administrator; judging whether the newly added IP address range defined by the administrator overlaps with the IP address range defined by the administrator in the first database; If there are overlapping parts, the IP pool creation fails; If there is no overlap then: adding a new IP address range defined by the administrator to the first database; generating a correspondence between the newly added IP address range defined by the administrator and the server pool in the second database; judging whether there is an IP address within the newly added IP address range defined by the administrator in the third database; If so, update the state of the first type of IP address in the third database to allocated, add the second type of IP address to the third database, and initialize the state of the second type of IP address to be idle, wherein The first type of IP address is within the range of newly added IP addresses defined by the administrator and is in the third database, and the second type of IP address is the newly added IP address defined by the administrator. IP addresses within the address range and not in the third database; If not, adding each IP address within the newly added IP address range defined by the administrator to the third database, and initializing the state as idle. 11. The method of claim 9, further comprising: Obtain the modified IP address range and target server pool defined by the administrator; Querying the third database, whether there is an assigned IP address within the modified IP address range defined by the administrator; If yes, modifying the IP pool fails; If not, delete the corresponding relationship between the modified IP address range defined by the administrator and the server pool in the second database, and generate the modified IP address range defined by the administrator and the target in the second database. Correspondence between server pools. 12. The method of claim 9, further comprising: Obtain the deleted IP address range defined by the administrator; If it is not forcibly deleted, perform the following verification steps and deletion steps; If it is forcibly deleted, perform the following deletion steps; The verification steps include: Judging whether there is an IP address within the scope of the deleted IP address defined by the administrator, whose status in the third database is allocated; If so, update the status of the third type of IP address in the third database to static IP allocation, and exclude the third type of IP address from the deleted IP address range defined by the administrator, wherein the The third type of IP address is within the range of deleted IP addresses defined by the administrator, and the status in the third database is assigned; The deletion steps include: Delete the deleted IP address range defined by the administrator in the first database, delete the corresponding relationship between the deleted IP address range defined by the administrator and the server pool in the second database, and delete in the third database Delete all IP addresses and statuses within the range of deleted IP addresses defined by the administrator in the database. 13. An IP configuration device under a cloud computing platform, characterized in that, comprising: An acquisition unit: used to receive a user IP processing request message, and obtain an allocation method and a processing instruction according to the user IP processing request message, and the allocation method includes an IP pool allocation method or a static IP allocation method; Processing unit: used to execute processing instructions according to the allocation method, if the IP address whose state changes during the processing instruction process is in the IP pool, update the status information of the IP address in the IP pool in the IP resource database; if the The IP address whose status changes in the process of processing instructions is a static IP address, and the status information of the static IP address in the IP resource database is updated; the IP resource database includes: IP pool, the corresponding relationship between the IP pool and the server pool, the IP The status information of each IP address in the pool and the status information of the static IP address defined by the user; When the allocation method is specifically a static IP allocation method, and the processing instruction is specifically an IP address allocation instruction, according to the user IP processing request message, obtain the IP address range specified by the user; The execution of the processing instruction according to the distribution method specifically includes the following steps: For each IP address within the IP address range specified by the user, perform the following operations: If the IP address already exists in the IP resource database, query the status information of the IP address; If the state of the IP address is idle, assigning the IP address to the user, and the updating the IP resource database is specifically updating the state of the IP address assigned to the user in the IP resource database to assigned; If the IP address does not exist in the IP resource database, assign the IP address to the user, and the update of the IP resource database specifically includes adding the IP address in the IP resource database, and adding the IP address to the IP address. Status update to Static IP Assignment.