CN115914389A - Cloud service control system, method and device, electronic equipment and storage medium - Google Patents
Cloud service control system, method and device, electronic equipment and storage medium Download PDFInfo
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Abstract
The embodiment of the disclosure discloses a cloud service control system, a cloud service control method, a device, an electronic device and a storage medium, wherein the system comprises: the physical machine is used for sending a first access request to the gateway controller; the gateway controller is used for allocating a third network address for the physical machine, recording a mapping relation between the first network address and the third network address as a first mapping relation, allocating second network address and second port information for the target cloud host, recording a mapping relation between the fourth network address and the fourth port information and between the second network address and the second port information as a second mapping relation, and sending the first mapping relation and the second mapping relation to the gateway; and the gateway is used for forwarding the first access request to the target cloud host according to the first mapping relation and the second mapping relation, and feeding back the response information of the target cloud host to the physical machine. Communication between the physical machine and the target cloud host is achieved.
Description
Technical Field
The present disclosure relates to the field of information technologies, and in particular, to a cloud service control system, a cloud service control method, a cloud service control apparatus, an electronic device, and a storage medium.
Background
In the field of public cloud services, service providers typically divide a machine room in which the public cloud services are deployed into a selling area and a control area. The virtual machines in the vending area are used for providing services for customers, and the customers can deploy own application programs in the virtual machines in the vending area; the server (including physical machine and virtual machine) of the control area is used for managing or maintaining the virtual machine of the selling area. Generally, in order to ensure the security of the servers in the control area, only the service provider has authority to operate the servers in the control area, and the client does not have authority to operate the servers in the control area.
Therefore, in order to manage or maintain the virtual machines in the selling area by the server in the control area, how to establish a communication link between the server in the control area and the virtual machines in the selling area is significant.
Disclosure of Invention
In order to solve the technical problem or at least partially solve the technical problem, embodiments of the present disclosure provide a cloud service control system, a cloud service control method, an apparatus, an electronic device, and a storage medium, which implement communication between a physical machine and a target cloud host, and further implement a purpose that the physical machine controls a cloud service running on the target cloud host.
In a first aspect, an embodiment of the present disclosure provides a cloud service control system, including:
the physical machine is used for sending a first access request to the gateway controller, and the first access request is used for requesting reverse access to a target cloud host; the first access request comprises a first network address and first port information of the physical machine, and a fourth network address and fourth port information of the target cloud host;
the gateway controller is used for responding to the first access request, allocating a third network address to the physical machine, recording a mapping relation between the first network address and the third network address of the physical machine as a first mapping relation, allocating a second network address and second port information to the target cloud host, recording a mapping relation between a fourth network address and fourth port information of the target cloud host and the second network address and second port information as a second mapping relation, and sending the first mapping relation and the second mapping relation to a gateway;
and the gateway is used for responding to the first access request, forwarding the first access request to a target cloud host according to the first mapping relation and the second mapping relation, and feeding back response information of the target cloud host to the physical machine.
In a second aspect, an embodiment of the present disclosure further provides a cloud service control method, which is applied to the gateway controller in the first aspect, and the method includes:
receiving a first access request sent by a physical machine, wherein the first access request is used for requesting reverse access to a target cloud host by the physical machine, and the first access request comprises a first network address and first port information of the physical machine and a fourth network address and fourth port information of the target cloud host;
responding to the first access request, allocating a third network address to the physical machine, recording a mapping relation between the first network address of the physical machine and the third network address as a first mapping relation, allocating a second network address and second port information to the target cloud host, and recording a mapping relation between the fourth network address and fourth port information of the target cloud host and the second network address and second port information as a second mapping relation;
and sending the first mapping relation and the second mapping relation to a gateway.
In a third aspect, an embodiment of the present disclosure further provides a cloud service control apparatus, which is integrated in the gateway controller in the cloud service control system according to the first aspect, and the apparatus includes:
the system comprises a receiving module, a processing module and a processing module, wherein the receiving module is used for receiving a first access request sent by a physical machine, the first access request is used for requesting reverse access to a target cloud host, and the first access request comprises a first network address and first port information of the physical machine, and a fourth network address and fourth port information of the target cloud host;
the allocation module is used for responding to the first access request, allocating a third network address to the physical machine, recording a mapping relation between the first network address and the third network address of the physical machine as a first mapping relation, allocating a second network address and second port information to the target cloud host, and recording a mapping relation between a fourth network address and fourth port information of the target cloud host and the second network address and second port information as a second mapping relation;
and the sending module is used for sending the first mapping relation and the second mapping relation to a gateway.
In a fourth aspect, an embodiment of the present disclosure further provides an electronic device, where the electronic device includes:
one or more processors;
storage means for storing one or more programs;
when the one or more programs are executed by the one or more processors, the one or more processors are caused to implement the cloud service control method as described above.
In a fifth aspect, the disclosed embodiments also provide a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the cloud service control method as described above.
Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has at least the following advantages:
the cloud service control system provided by the embodiment of the disclosure includes: a physical machine, a gateway controller and a gateway. The gateway controller is used for allocating a new network address to the physical machine, namely, the third network address is used as a proxy address of the physical machine on the cloud, and the mapping relation between the first network address and the third network address of the physical machine is recorded as a first mapping relation; allocating a new network address for the target cloud host, namely, using the second network address and the second port information as proxy addresses of the target cloud host, and recording a mapping relation between the fourth network address and the fourth port information and the second network address and the second port information as a second mapping relation; and sending the first mapping relation and the second mapping relation to the gateway. And the gateway is used for forwarding the access request to the target cloud host according to the first mapping relation and the second mapping relation and feeding back response information of the target cloud host to the physical machine when the physical machine sends the access request to the target cloud host. The communication between the physical machine and the target cloud host is realized, and the purpose that the physical machine controls the cloud service running on the target cloud host is further realized.
Drawings
The above and other features, advantages, and aspects of embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and components are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a cloud service control system in an embodiment of the present disclosure;
fig. 2 is a schematic diagram illustrating a relationship between a first network address, a second network address, a third network address, and a fourth network address in an embodiment of the disclosure;
fig. 3 is a schematic process diagram of a physical machine communicating with a target cloud host in an embodiment of the present disclosure;
fig. 4 is a schematic process diagram of another physical machine communicating with a target cloud host in the embodiment of the present disclosure;
fig. 5 is a schematic diagram of communication between a physical machine and a target cloud host in an embodiment of the present disclosure;
fig. 6 is a flowchart of interaction between a physical machine, a gateway controller, a gateway, and a target cloud host in an embodiment of the present disclosure;
fig. 7 is a flowchart of a cloud service control method in an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of a cloud service control apparatus in an embodiment of the present disclosure;
fig. 9 is a schematic structural diagram of an electronic device in an embodiment of the present disclosure.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more complete and thorough understanding of the present disclosure. It should be understood that the drawings and embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.
It should be understood that the various steps recited in method embodiments of the present disclosure may be performed in a different order and in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the present disclosure is not limited in this respect.
The term "include" and variations thereof as used herein are open-ended, i.e., "including but not limited to". The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Relevant definitions for other terms will be given in the following description.
It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
It is noted that references to "a", "an", and "the" modifications in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that "one or more" may be used unless the context clearly dictates otherwise.
The names of messages or information exchanged between devices in the embodiments of the present disclosure are for illustrative purposes only, and are not intended to limit the scope of the messages or information.
Fig. 1 is a schematic structural diagram of a cloud service control system in an embodiment of the present disclosure. The cloud service control system includes: physical machine 110, target cloud host 120, gateway controller 130, and gateway 140.
The physical machine 110 is assigned with a first network address, the target cloud host 120 is assigned with a fourth network address, and the first network address and the fourth network address are in different network planes. In general, the network plane where the first network address is located is the plane where the physical network underlay is located, and the network plane where the fourth network address is located is the plane where the virtual network overlay is located. The underlay network refers to a traditional single-layer network, is a physical network realized based on physical network equipment, and can be perfected by improving the technology of the physical network equipment, expanding the equipment quantity, the bandwidth scale and the like. The overlay network refers to a layer of logic network superposed on the basis of an underlay network, is a virtual network superposed on a network architecture, realizes the load bearing applied to the network under the condition that the basic network is not modified in a large scale, is a virtual network established on the existing network, and the logic nodes and the logic links form the overlay network. On one hand, since the first network address and the fourth network address are in different network planes, communication between the physical machine 110 and the target cloud host 120 cannot be realized based on the first network address and the fourth network address; on the other hand, the first network address and the fourth network address are the same, and therefore normal communication between the physical machine 110 and the target cloud host 120 cannot be achieved based on the first network address and the fourth network address.
The first network address and the fourth network address are in different network planes, and are determined by the service application and the network-related protocol carried by each of the physical machine 110 and the target cloud host 120. For example, in a public cloud service scenario, the physical machine 110 is configured as a server in a control area in a public cloud machine room, and the target cloud host 120 is configured as a virtual machine in a selling area in the public cloud machine room, since a service application deployed on the server in the control area is generally an infrastructure inside a public cloud service provider and is used for providing software and/or hardware foundation for the public cloud service, a plane where a first network address allocated to the physical machine 110 is located is generally a plane where an underlay network is located; the service applications deployed on the virtual machines in the selling area are customer-oriented, service is provided for customers, and meanwhile the number of the virtual machines is far greater than that of the management and control area servers, so that in order to reduce pressure on an underlay network and facilitate expansion of the number of the virtual machines, the plane where the fourth network address allocated to the virtual machines in the selling area is located is usually the plane where the overlay network is located.
Based on the above application background, how to implement communication between the physical machine 110 and the target cloud host 120 is a technical problem to be solved by the embodiments of the present disclosure. To solve the technical problem, in the cloud service control system provided in the embodiment of the present disclosure, a gateway controller 130 and a gateway 140 are additionally provided.
Specifically, physical machine 110 is configured to send a first access request to gateway controller 130, where the first access request is used to request a reverse access to target cloud host 120; the first access request includes a first network address and first port information of the physical machine 110, and a fourth network address and fourth port information of the target cloud host 120. Gateway controller 130 is configured to, in response to the first access request, allocate a third network address to physical machine 110 and record a mapping relationship between the first network address and the third network address of physical machine 110 as a first mapping relationship, allocate a second network address and second port information to target cloud host 120 and record a mapping relationship between the fourth network address and fourth port information of target cloud host 120 and the second network address and second port information as a second mapping relationship, and send the first mapping relationship and the second mapping relationship to gateway 140. And the gateway 140 is configured to respond to the first access request, forward the first access request to the target cloud host 120 according to the first mapping relationship and the second mapping relationship, and feed back response information of the target cloud host 120 to the physical machine 110.
Further, the gateway 140 is further configured to: when a second access request of the target cloud host 120 for the physical machine 110 is received, the second access request is discarded to prohibit the target cloud host 120 from actively accessing the physical machine 110, so as to ensure the security of the business application deployed on the physical machine 110. That is, the physical machine 110 may actively access the target cloud host 120, but the target cloud host 120 may not actively access the physical machine 110. If the access application is an access application for the physical machine 110 initiated by the target cloud host 120, the access application is deleted, and if the access application is an access application for the target cloud host 120 initiated by the physical machine 110, the access application is responded, the access request is forwarded to the target cloud host 120 according to the first mapping relation and the second mapping relation, and response information of the target cloud host 120 is fed back to the physical machine 110.
Specifically, the gateway 140 is configured to respond to the first access request, forward the first access request to the target cloud host 120 according to the first mapping relationship and the second mapping relationship, and feed back response information of the target cloud host 120 to the physical machine 110, and includes: the gateway 140 determines a third network address matching from the first mapping relationship according to the first network address and the first port information of the physical machine 110 included in the first access request, and determines a fourth network address and fourth port information matching from the second mapping relationship according to the second network address and the second port information included in the first access request, wherein the first access request is sent to the second network address and the second port information through the first network address and the first port information, so that the first access request reaches the gateway 140. The gateway 140 sends the first access request to the matched fourth network address and fourth port information through the matched third network address and first port information, so as to forward the first access request to the target cloud host 120. The gateway 140 receives response information fed back by the target cloud host 120, the response information is sent to a third network address and first port information through a fourth network address and fourth port information, so that the response information reaches the gateway 140, the gateway 140 determines a matched second network address and second port information from the second mapping relationship according to the fourth network address and fourth port information included in the response information, determines a matched first network address from the first mapping relationship according to the third network address and first port information included in the response information, and the gateway 140 sends the response information to the matched first network address and first port information through the matched second network address and second port information, so as to forward the response information to the physical machine 110.
In other words, gateway controller 130 is responsible for generating a third network address corresponding to the first network address, and a second network address and second port information corresponding to the fourth network address and fourth port information. The third network address and the first port information form a proxy address of the physical machine 110 on the cloud; the second network address and the second port information correspond to the fourth network address and the fourth port information, and the second network address and the second port information constitute a proxy address of the target cloud host 120. The gateway 140 is responsible for building a communication link between the physical machine 110 and the target cloud host 120 based on the proxy address of the physical machine 110 (i.e., the third network address and the first port information) and the proxy address of the target cloud host 120 (i.e., the second network address and the second port information). Specifically, the first network address and the second network address are in the same network plane, so that the first network address and the second network address can be directly communicated with each other, and the third network address and the fourth network address are in the same network plane, so that the third network address and the fourth network address can be directly communicated with each other. In order to reduce the occupation of limited network address resources and allocate the corresponding second network address to the fourth network address as many as possible, the embodiment of the present disclosure adopts a manner of establishing the second network address in a manner of a network address IP + port number port, so that (the number of available IP × the number of available ports) second network addresses can be provided.
Exemplarily, referring to a schematic diagram of mapping relationships between a first network address and first port information (IP 1+ port 1), a second network address and second port information (IP 2+ port 2), a third network address and first port information (IP 3+ port 1), and a fourth network address and fourth port information (IP 4+ port 4) as shown in fig. 2, wherein a first mapping relationship exists between the first network address and first port information (IP 1+ port 1) and the third network address and first port information (IP 3+ port 1), and a second mapping relationship exists between the second network address and second port information (IP 2+ port 2) and the fourth network address and fourth port information (IP 4+ port 4). The first network address IP1 and the second network address IP2 are in the same network plane, the third network address IP3 and the fourth network address IP4 are in the same network plane, and the first network address IP1 and the fourth network address IP4 are in different network planes.
It should be noted that, referring to a schematic process diagram of a physical machine 110 communicating with a target cloud host 120 as shown in fig. 3, a message sent by the physical machine 110 to a second network address and second port information (IP 2+ port 2) is first arrived at the gateway 140 based on a first network address and first port information (IP 1+ port 1), the gateway 140 determines a matching fourth network address and fourth port information (IP 4+ port 4) according to a second mapping relationship between the second network address and the second port information (IP 2+ port 2) and the fourth network address and fourth port information (IP 4+ port 4), and a first mapping relationship between the first network address and first port information (IP 1+ port 1) and the third network address and first port information (IP 1+ port 1) determines a matching third network address and first port information (IP 1+ port 1), and then sends the matching third network address and first port information (IP 1+ port 1) to the target cloud host 120 through the matching the fourth network address and the fourth port information (IP 1+ port information) so as to arrive at the target cloud host 110.
Conversely, when the target cloud host 120 feeds back the response information to the physical machine 110, referring to a schematic process diagram of the communication between the physical machine 110 and the target cloud host 120 as shown in fig. 4, the target cloud host 120 sends the response information to the third network address and the first port information (IP 3+ port 1) based on the fourth network address and the fourth port information (IP 4+ port 4), the response information arrives at the gateway 140 first, and when the gateway 140 receives the response information, the gateway forwards the response information, that is, according to the second mapping relationship, the fourth network address and the fourth port information (IP 4+ port 4) are replaced by the matched second network address and the matched second port information (IP 2+ port 2), the third network address IP3 is replaced by the matched first network address IP1 according to the first mapping relationship, and the response information is sent to the first network address and the first port information (IP 1+ port 1) through the second network address and the matched first port information (IP 2+ port 2), so as to realize that the target cloud host 110 feeds back the response information to the target cloud host 110.
Further, referring to another schematic diagram of communication between a physical machine 110 and a target cloud host 120 as shown in fig. 5, first, the physical machine 110 sends an access application for accessing the target cloud host 120 to a gateway controller 130, the gateway controller 130 allocates a third network address IP3 to the physical machine 110 according to the access application, allocates a second network address IP2 and a second port information port2 to the target cloud host 120, creates a first mapping relationship between the first network address and first port information (IP 1+ port 1) and the third network address and first port information (IP 3+ port 1), and sends a second mapping relationship between the fourth network address and fourth port information (IP 4+ port 4) and the second network address and second port information (IP 2+ port 2) to a gateway 140, and the gateway 140 forwards the application for accessing the target cloud host 120 sent by the physical machine 110 according to the first mapping relationship and the second mapping relationship.
In one embodiment, in order not to occupy the private cloud segment, gateway controller 130 is specifically configured to select a segment different from the private cloud segment as the target segment, and select a network address from the target segment as the third network address. According to the specification of the network protocol, the private cloud network segment generally comprises 10.0.0.0/8, 172.16.0.0/16 and 192.168.0.0/16, and in order to not occupy the private cloud network segment, the network address in the target network segment 100.64.0.0/10 can be used as the third network address, namely the proxy address of the physical machine on the cloud.
On the basis of the above embodiment, referring to an interaction flowchart among a physical machine, a gateway controller, a gateway, and a target Cloud host as shown in fig. 6, first, the gateway controller receives identification information of the target Cloud host applying for access, where the identification information includes a fourth network address and a fourth port number of the target Cloud host, and further may further include a VPC (Virtual Private Cloud) identifier, where the VPC constructs an isolated Virtual network environment for resources such as a Cloud server, a Cloud container, and a Cloud database, where the Virtual network environment is autonomously configurable and manageable by a user, so that security of resources on the Cloud of the user can be improved, and network deployment of the user is simplified. Therefore, the same network address and port number can exist under different VPCs, and when the cluster magnitude of the target cloud hosts is larger, the VPC identification can be introduced for uniquely identifying each target cloud host. When receiving identification information of a target cloud host applying for access, the gateway controller allocates a second network address and second port information for a fourth network address in the identification information, and sends the allocated second network address and second port information, and a fourth network address and fourth port information aimed at by the second network address and the second port information to the gateway and the physical machine, so that the physical machine can conveniently send messages to the target cloud host by using the second network address and the second port information, the gateway can conveniently store a second mapping relation between the second network address and the second port information, and the fourth network address and the fourth port information, and can finish message forwarding according to the second mapping relation. Then, the physical machine sends the first network address and the first port information of the physical machine to the gateway controller, the gateway controller allocates a corresponding third network address, and sends a first mapping relation between the first network address and the first port information as well as between the third network address and the first port information to the gateway and the physical machine. And the physical machine determines a second network address and second port information of a target cloud host to be accessed by the physical machine according to the second mapping relation, and sends a message to the second network address and the second port information through the first network address and the second port information, when the gateway receives the message, the gateway replaces the first network address and the first port information with the third network address and the first port information according to the first mapping relation and the second mapping relation, replaces the second network address and the second port information with the fourth network address and the fourth port information, and sends the message to the fourth network address and the fourth port information through the third network address and the first port information, so that the message reaches the target cloud host, and the message is forwarded.
In one embodiment, reference is made to a flowchart of a cloud service control method shown in fig. 7, where the method is applied to a gateway controller in the cloud service control system. The same expressions or definitions as those in the above embodiments appear in this embodiment, and the explanation in the above embodiments may be referred to for their actual meanings, and details are not repeated in this embodiment.
As shown in fig. 7, the cloud service control method includes the following steps:
Illustratively, the assigning the physical machine with the third network address includes:
selecting a network segment different from the private cloud network segment as a target network segment; and selecting one network address from the target network segment as the third network address so as to avoid the occupation of the private cloud network segment. According to the specification of the network protocol, the private cloud network segment generally comprises 10.0.0.0/8, 172.16.0.0/16 and 192.168.0.0/16, and in order to not occupy the private cloud network segment, the network address in the target network segment 100.64.0.0/10 can be used as the third network address, namely the proxy address of the physical machine on the cloud.
The cloud service control method provided by the embodiment of the disclosure can achieve the purpose of respectively allocating proxy addresses to the physical machine and the target cloud host, and establish a communication link for achieving communication between the physical machine and the target cloud host.
Fig. 8 is a schematic structural diagram of a cloud service control device according to an embodiment of the present disclosure, where the device is integrated in a gateway controller in the cloud service control system according to the embodiment. As shown in fig. 8, the apparatus 800 specifically includes: a receiving module 810, an assigning module 820, and a transmitting module 830.
The receiving module 810 is configured to receive a first access request sent by a physical machine, where the first access request is used to request a reverse access to a target cloud host, and the first access request includes a first network address and first port information of the physical machine, and a fourth network address and fourth port information of the target cloud host; an allocating module 820, configured to allocate a third network address to the physical machine and record a mapping relationship between the first network address and the third network address of the physical machine as a first mapping relationship in response to the first access request, allocate a second network address and second port information to the target cloud host and record a mapping relationship between the fourth network address and the fourth port information of the target cloud host and the second network address and the second port information as a second mapping relationship; a sending module 830, configured to send the first mapping relationship and the second mapping relationship to a gateway.
Optionally, the allocating module 820 is specifically configured to select a network segment different from the private cloud network segment as the target network segment when allocating the third network address; and selecting one network address from the target network segment as the third network address.
The cloud service control device provided by the embodiment of the disclosure can achieve the purpose of respectively allocating proxy addresses to the physical machine and the target cloud host, and establish a communication link for achieving communication between the physical machine and the target cloud host.
The communication device provided in the embodiment of the present disclosure may perform the steps in the communication method provided in the embodiment of the present disclosure, and the steps and the beneficial effects are not described herein again.
Fig. 9 is a schematic structural diagram of an electronic device in an embodiment of the present disclosure. Referring now specifically to fig. 9, a schematic block diagram of an electronic device 900 suitable for use in implementing embodiments of the present disclosure is shown. The electronic device 900 in the disclosed embodiments may include, but is not limited to, mobile terminals such as mobile phones, notebook computers, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablet computers), PMPs (portable multimedia players), in-vehicle terminals (e.g., car navigation terminals), wearable electronic devices, and the like, and fixed terminals such as digital TVs, desktop computers, smart home devices, and the like. The electronic device shown in fig. 9 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.
As shown in fig. 9, electronic device 900 may include a processing means (e.g., central processing unit, graphics processor, etc.) 901 that may perform various suitable actions and processes to implement the methods of embodiments as described in this disclosure in accordance with programs stored in a Read Only Memory (ROM) 902 or programs loaded from storage 908 into Random Access Memory (RAM) 903. In the RAM 903, various programs and data necessary for the operation of the electronic apparatus 900 are also stored. The processing apparatus 901, ROM 902, and RAM 903 are connected to each other via a bus 904. An input/output (I/O) interface 905 is also connected to bus 904.
Generally, the following devices may be connected to the I/O interface 905: input devices 906 including, for example, a touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; an output device 907 including, for example, a Liquid Crystal Display (LCD), a speaker, a vibrator, and the like; storage 908 including, for example, magnetic tape, hard disk, etc.; and a communication device 909. The communication device 909 may allow the electronic apparatus 900 to perform wireless or wired communication with other apparatuses to exchange data. While fig. 9 illustrates an electronic device 900 having various means, it is to be understood that not all illustrated means are required to be implemented or provided. More or fewer devices may be alternatively implemented or provided.
In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program carried on a non-transitory computer readable medium, the computer program containing program code for performing the method illustrated by the flow chart, thereby implementing the method as described above. In such an embodiment, the computer program may be downloaded and installed from a network through the communication device 909, or installed from the storage device 908, or installed from the ROM 902. The computer program, when executed by the processing device 901, performs the above-described functions defined in the methods of the embodiments of the present disclosure.
It should be noted that the computer readable medium of the present disclosure may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In contrast, in the present disclosure, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
In some embodiments, the clients, servers may communicate using any currently known or future developed network Protocol, such as HTTP (HyperText Transfer Protocol), and may be interconnected with any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include a local area network ("LAN"), a wide area network ("WAN"), the Internet (e.g., the Internet), and peer-to-peer networks (e.g., ad hoc peer-to-peer networks), as well as any currently known or future developed network.
The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device.
The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to:
receiving a first access request sent by a physical machine, wherein the first access request is used for requesting reverse access to a target cloud host, and the first access request comprises a first network address and first port information of the physical machine, and a fourth network address and fourth port information of the target cloud host; responding to the first access request, allocating a third network address to the physical machine, recording a mapping relation between the first network address of the physical machine and the third network address as a first mapping relation, allocating a second network address and second port information to the target cloud host, and recording a mapping relation between the fourth network address and fourth port information of the target cloud host and the second network address and second port information as a second mapping relation; and sending the first mapping relation and the second mapping relation to a gateway.
Optionally, when the one or more programs are executed by the electronic device, the electronic device may further perform other steps described in the above embodiments.
Computer program code for carrying out operations for the present disclosure may be written in any combination of one or more programming languages, including but not limited to a device oriented programming language such as Java, smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present disclosure may be implemented by software or hardware. Wherein the name of an element does not in some cases constitute a limitation on the element itself.
The functions described herein above may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems on a chip (SOCs), complex Programmable Logic Devices (CPLDs), and the like.
In the context of this disclosure, a machine-readable medium may be a tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. The machine-readable medium may be a machine-readable signal medium or a machine-readable storage medium. A machine-readable medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
According to one or more embodiments of the present disclosure, there is provided a cloud service control system including: the physical machine is used for sending a first access request to the gateway controller, wherein the first access request is used for requesting reverse access to a target cloud host; the first access request comprises a first network address and first port information of the physical machine, and a fourth network address and fourth port information of the target cloud host; the gateway controller is used for responding to the first access request, allocating a third network address to the physical machine, recording a mapping relation between the first network address and the third network address of the physical machine as a first mapping relation, allocating a second network address and second port information to the target cloud host, recording a mapping relation between a fourth network address and fourth port information of the target cloud host and the second network address and second port information as a second mapping relation, and sending the first mapping relation and the second mapping relation to a gateway; and the gateway is used for responding to the first access request, forwarding the first access request to a target cloud host according to the first mapping relation and the second mapping relation, and feeding back response information of the target cloud host to the physical machine.
According to one or more embodiments of the present disclosure, in the cloud service control system provided by the present disclosure, optionally, the gateway is further configured to: when a second access request of the target cloud host for the physical machine is received, discarding the second access request to prohibit the target cloud host from actively accessing the physical machine.
According to one or more embodiments of the present disclosure, in the cloud service control system provided by the present disclosure, optionally, the gateway is configured to respond to the first access request, forward the first access request to a target cloud host according to the first mapping relationship and the second mapping relationship, and feed back response information of the target cloud host to the physical machine, and includes: the gateway determines a matched third network address from the first mapping relation according to a first network address and first port information of the physical machine, which are included in the first access request, and determines a matched fourth network address and fourth port information from the second mapping relation according to a second network address and second port information, which are included in the first access request, wherein the first access request is sent to the second network address and the second port information through the first network address and the first port information, so that the first access request reaches the gateway; the gateway sends the first access request to the matched fourth network address and fourth port information through the matched third network address and the matched first port information so as to forward the first access request to the target cloud host; the gateway receives response information fed back by the target cloud host, the response information is sent to the third network address and the first port information through the fourth network address and the fourth port information, so that the response information reaches the gateway, the gateway determines a matched second network address and second port information from the second mapping relation according to the fourth network address and the fourth port information included in the response information, and determines a matched first network address from the first mapping relation according to the third network address and the first port information included in the response information; and the gateway sends the response information to the matched first network address and the matched first port information through the matched second network address and the matched second port information so as to forward the response information to the physical machine.
According to one or more embodiments of the present disclosure, in the cloud service control system provided by the present disclosure, optionally, the gateway controller is specifically configured to select a network segment different from a private cloud network segment as a target network segment, and select a network address from the target network segment as the third network address.
According to one or more embodiments of the present disclosure, there is provided a cloud service control method including: receiving a first access request sent by a physical machine, wherein the first access request is used for requesting reverse access to a target cloud host, and the first access request comprises a first network address and first port information of the physical machine, and a fourth network address and fourth port information of the target cloud host; responding to the first access request, allocating a third network address to the physical machine, recording a mapping relation between the first network address and the third network address of the physical machine as a first mapping relation, allocating a second network address and second port information to the target cloud host, and recording a mapping relation between the fourth network address and the fourth port information of the target cloud host and the second network address and the second port information as a second mapping relation; and sending the first mapping relation and the second mapping relation to a gateway.
According to one or more embodiments of the present disclosure, in the cloud service control method provided by the present disclosure, optionally, the allocating a third network address to the physical machine includes: selecting a network segment different from the private cloud network segment as a target network segment; and selecting one network address from the target network segment as the third network address.
According to one or more embodiments of the present disclosure, there is provided a cloud service control apparatus including: the system comprises a receiving module, a processing module and a processing module, wherein the receiving module is used for receiving a first access request sent by a physical machine, the first access request is used for requesting reverse access to a target cloud host, and the first access request comprises a first network address and first port information of the physical machine, and a fourth network address and fourth port information of the target cloud host; the allocation module is used for responding to the first access request, allocating a third network address to the physical machine, recording a mapping relation between the first network address and the third network address of the physical machine as a first mapping relation, allocating a second network address and second port information to the target cloud host, and recording a mapping relation between a fourth network address and fourth port information of the target cloud host and the second network address and second port information as a second mapping relation; and the sending module is used for sending the first mapping relation and the second mapping relation to a gateway.
According to one or more embodiments of the present disclosure, in a cloud service control apparatus provided by the present disclosure, optionally, when the allocating module allocates the third network address, the allocating module is specifically configured to: selecting a network segment different from the private cloud network segment as a target network segment; and selecting one network address from the target network segment as the third network address.
In accordance with one or more embodiments of the present disclosure, there is provided an electronic device including:
one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement any of the cloud service control methods provided by the present disclosure.
According to one or more embodiments of the present disclosure, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a cloud service control method as any one of the methods provided by the present disclosure.
The disclosed embodiments also provide a computer program product comprising a computer program or instructions which, when executed by a processor, implement the cloud service control method as described above.
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the disclosure herein is not limited to the particular combination of features described above, but also encompasses other combinations of features described above or equivalents thereof without departing from the spirit of the disclosure. For example, the above features and (but not limited to) the features disclosed in this disclosure having similar functions are replaced with each other to form the technical solution.
Further, while operations are depicted in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limitations on the scope of the disclosure. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
Claims (10)
1. A cloud service control system, comprising:
the physical machine is used for sending a first access request to a gateway controller, wherein the first access request is used for requesting reverse access to a target cloud host, and the first access request comprises a first network address and first port information of the physical machine and a fourth network address and fourth port information of the target cloud host;
the gateway controller is used for responding to the first access request, allocating a third network address to the physical machine, recording a mapping relation between the first network address and the third network address as a first mapping relation, allocating a second network address and second port information to the target cloud host, recording a mapping relation between the fourth network address and the fourth port information and the second network address and the second port information as a second mapping relation, and sending the first mapping relation and the second mapping relation to a gateway;
and the gateway is used for responding to the first access request, forwarding the first access request to a target cloud host according to the first mapping relation and the second mapping relation, and feeding back response information of the target cloud host to the physical machine.
2. The system of claim 1, wherein the gateway is further configured to:
when a second access request of the target cloud host to the physical machine is received, discarding the second access request to prohibit the target cloud host from actively accessing the physical machine.
3. The system of claim 1, wherein the gateway is configured to respond to the first access request, forward the first access request to a target cloud host according to the first mapping relationship and the second mapping relationship, and feed response information of the target cloud host back to the physical machine, and the gateway is configured to:
the gateway is configured to determine a matched third network address from the first mapping relationship according to the first network address, and determine a matched fourth network address and fourth port information from the second mapping relationship according to the second network address and the second port information;
the gateway is further configured to send the first access request to the matched fourth network address and fourth port information through the matched third network address and the first port information, so as to forward the first access request to the target cloud host;
the gateway is further configured to receive response information fed back by the target cloud host, determine a matched second network address and second port information from the second mapping relationship according to a fourth network address and fourth port information included in the response information, and determine a matched first network address from the first mapping relationship according to a third network address included in the response information;
the gateway is further configured to send the response information to the matched first network address and the matched first port information through the matched second network address and the matched second port information, so as to forward the response information to the physical machine.
4. The system of claim 1, wherein the gateway controller is specifically configured to select a network segment different from a private cloud network segment as a target network segment, and to select a network address from the target network segment as the third network address.
5. A cloud service control method, comprising:
receiving a first access request sent by a physical machine, wherein the first access request is used for requesting reverse access to a target cloud host, and the first access request comprises a first network address and first port information of the physical machine, and a fourth network address and fourth port information of the target cloud host;
responding to the first access request, allocating a third network address to the physical machine, recording a mapping relation between the first network address and the third network address as a first mapping relation, allocating a second network address and second port information to the target cloud host, and recording a mapping relation between the fourth network address and the fourth port information and the second network address and the second port information as a second mapping relation;
and sending the first mapping relation and the second mapping relation to a gateway.
6. The method of claim 5, wherein the assigning the physical machine with the third network address comprises:
selecting a network segment different from the private cloud network segment as a target network segment;
and selecting one network address from the target network segment as the third network address.
7. A cloud service control apparatus, comprising:
the system comprises a receiving module, a processing module and a processing module, wherein the receiving module is used for receiving a first access request sent by a physical machine, the first access request is used for requesting reverse access to a target cloud host, and the first access request comprises a first network address and first port information of the physical machine, and a fourth network address and fourth port information of the target cloud host;
the allocation module is used for responding to the first access request, allocating a third network address to the physical machine, recording a mapping relation between the first network address and the third network address as a first mapping relation, allocating a second network address and second port information to the target cloud host, and recording a mapping relation between the fourth network address and fourth port information and the second network address and second port information as a second mapping relation;
and the sending module is used for sending the first mapping relation and the second mapping relation to a gateway.
8. The apparatus of claim 7, wherein the assignment module, when assigning the third network address, is specifically configured to:
selecting a network segment different from the private cloud network segment as a target network segment;
and selecting one network address from the target network segment as the third network address.
9. An electronic device, characterized in that the electronic device comprises:
one or more processors;
storage means for storing one or more programs;
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the method of any of claims 5-6.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 5-6.
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| PCT/CN2022/107985 WO2023016250A1 (en) | 2021-08-09 | 2022-07-26 | Cloud service control system, method, and apparatus, electronic device, and storage medium |
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| CN202110909028.7A CN115914389A (en) | 2021-08-09 | 2021-08-09 | Cloud service control system, method and device, electronic equipment and storage medium |
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