CN114448958A - Resource pool software downloading method and device and server - Google Patents
Resource pool software downloading method and device and server Download PDFInfo
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- CN114448958A CN114448958A CN202111599947.5A CN202111599947A CN114448958A CN 114448958 A CN114448958 A CN 114448958A CN 202111599947 A CN202111599947 A CN 202111599947A CN 114448958 A CN114448958 A CN 114448958A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/34—Network arrangements or protocols for supporting network services or applications involving the movement of software or configuration parameters
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/70—Software maintenance or management
- G06F8/71—Version control; Configuration management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
Abstract
The invention discloses a resource pool software downloading method, a device and a server, wherein the resource pool software downloading method comprises the following steps: when a software request sent by a host is received, judging whether software resources corresponding to the software request exist in a resource pool agent or not; when the software resource corresponding to the software request does not exist in the resource pool agent, sending a request message of the software resource; and receiving yum the software resource fed back by the source, sending the fed back software resource to the host and storing the software resource to the resource pool agent. Therefore, the resource request of the host machine can be processed in a resource pool proxy mode, the software resource requested by the host machine only needs to be downloaded in the resource pool proxy, the software resource can be downloaded according to the requirement, the synchronous operation of each yum source mirror image is not needed, the redundant operation of creating the mirror image is reduced, namely, the resource cache can be established through the resource pool proxy, the capacity management is carried out on the resource pool, and the maximum sharing, the most efficient utilization and the most cost saving of the resource pool are realized.
Description
Technical Field
The invention relates to the technical field of cloud computing, in particular to a resource pool software downloading method, a resource pool software downloading device and a server.
Background
In a cloud computing system, storage and computing resources are centrally placed in a common cloud resource pool, and the cloud resource pool (also referred to as a resource pool) can distribute the resources to a plurality of data centers in different geographic locations. The existing cloud resource pool management approach is to centrally manage yum sources, where a full image is created for each cloud resource pool. Specifically, the yum source service deployment scheme is shown in fig. 1, an access layer is a resource pool host (also referred to as a host), an agent layer is a resource pool agent, and each resource pool is deployed with one source access entry, which is yum; the access and storage tiers collectively comprise an yum source, which may be configured for multiple clusters at yum, such as storing different versions of software resources in each yum server.
Cloud computing is used as a closed scene type application, the updated content of each cloud resource pool is small and fixed, meanwhile, each cloud resource pool does not use all software, and in a public cloud scene, the software update commonly used by each cloud resource pool is only small, so that a large amount of redundancy exists in mirror image creation.
Disclosure of Invention
In view of this, embodiments of the present invention provide a resource pool software downloading method, device and server, so as to solve the problem of redundancy in creating a complete mirror image for each cloud resource pool.
According to a first aspect, an embodiment of the present invention provides a resource pool software downloading method, including the following steps: when a software request sent by a host is received, judging whether a software resource corresponding to the software request exists in a resource pool agent or not; when the software resource corresponding to the software request does not exist in the resource pool agent, sending a request message of the software resource; and receiving yum the software resource fed back by the source, sending the fed back software resource to the host and storing the software resource to the resource pool agent.
According to the resource pool software downloading method provided by the embodiment 1 of the invention, the resource request of the host is processed in a resource pool proxy manner, and the software resource requested by the host only needs to be downloaded in the resource pool proxy, so that the software resource is downloaded as required, and therefore, the synchronous operation of each yum source mirror image is not needed any more, the redundant operation of creating the mirror image is reduced, and meanwhile, the request of the host can be effectively processed, namely, the resource cache can be established through the resource pool proxy, the capacity management is carried out on the resource pool, the maximized sharing, the most efficient utilization and the most cost saving of the resource pool are realized.
With reference to the first aspect, in a first implementation manner of the first aspect, the resource pool software downloading method further includes: and when the software resource corresponding to the software request exists in the resource pool agent, sending the software resource in the resource pool agent to the host.
With reference to the first aspect, in a second implementation manner of the first aspect, the software request includes request version information, and before sending the software resource in the resource pool proxy to the host, the method further includes: acquiring the stored version information of the software resource in the resource pool agent; judging whether the stored version of the software resource is lower than the requested version or not according to the requested version information and the stored version information; when the saved version is lower than the requested version, sending a request message of the software resource; and receiving yum the software resource of the requested version fed back by the source, sending the software resource of the requested version to the host and storing the software resource of the requested version to the resource pool agent.
With reference to the second implementation manner of the first aspect, in a third implementation manner of the first aspect, after sending the software resource of the requested version to the host and saving the software resource to the resource pool agent, the method further includes: deleting the saved version of the software resource in the resource pool proxy.
With reference to the first aspect, in a fourth implementation manner of the first aspect, the saving the software resource to the resource pool proxy includes: judging whether the resource pool proxy is full; when the resource pool agent is full, the software resource is saved to the resource pool agent using an LRU algorithm.
With reference to the fourth implementation manner of the first aspect, in the fifth implementation manner of the first aspect, the resource pool software downloading method further includes: and when the resource pool proxy is not full, storing the software resource into a free pool of the resource pool proxy.
With reference to the fourth implementation manner of the first aspect, in the sixth implementation manner of the first aspect, the saving the software resource to the resource pool agent by using the LRU algorithm includes: respectively acquiring the interval duration from the last use of each software resource in the resource pool agent to the current moment; and replacing the software resource with the longest interval duration by the fed-back software resource.
According to a second aspect, an embodiment of the present invention further provides a resource pool software downloading apparatus, including a receiving module, a determining module, a downloading module, and a sending module, where the receiving module is configured to receive a software request sent by a host; when a software request sent by a host is received, the judging module is used for judging whether software resources corresponding to the software request exist in a resource pool agent or not; the download module is used for sending a request message of the software resource when the software resource corresponding to the software request does not exist in the resource pool agent; receiving yum the software resource fed back by the source, and saving the software resource fed back to the resource pool agent; and the sending module is used for sending the fed back software resources to the host.
According to a third aspect, an embodiment of the present invention further provides a server, including a memory and a processor, where the memory and the processor are communicatively connected to each other, the memory stores computer instructions, and the processor executes the computer instructions to execute the resource pool software downloading method described in the first aspect or any implementation manner of the first aspect.
According to a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, which stores computer instructions for causing a computer to execute the resource pool software downloading method described in the first aspect or any one of the implementation manners of the first aspect.
Drawings
The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the invention in any way, and in which:
FIG. 1 illustrates an yum source service deployment diagram;
fig. 2 is a schematic flowchart of a resource pool software downloading method in embodiment 1 of the present invention;
FIG. 3 is a schematic view of a process for downloading software via a resource pool proxy;
FIG. 4 is a schematic flow chart of the LRU version update algorithm;
fig. 5 is a schematic structural diagram of a resource pool software downloading device in embodiment 2 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment 1 of the invention provides a resource pool software downloading method. Fig. 1 is a flowchart illustrating a resource pool software downloading method in embodiment 1 of the present invention. As shown in fig. 1, the resource pool software downloading method in embodiment 1 of the present invention includes the following steps:
s101: when a software request sent by a host is received, whether software resources corresponding to the software request exist in a resource pool agent is judged.
S102: and when the software resource corresponding to the software request does not exist in the resource pool agent, sending a request message of the software resource.
S103: and receiving yum the software resource fed back by the source, sending the fed back software resource to the host and storing the software resource to the resource pool agent.
Further, the resource pool software downloading method further comprises the following steps: and when the software resource corresponding to the software request exists in the resource pool proxy, sending the software resource in the resource pool proxy to the host.
Further, the software request includes request version information, and before sending the software resource in the resource pool proxy to the host, the method further includes: acquiring the stored version information of the software resource in the resource pool agent; judging whether the stored version of the software resource is lower than the requested version or not according to the requested version information and the stored version information; when the saved version is lower than the requested version, sending a request message of the software resource; and receiving yum the software resource of the requested version fed back by the source, sending the software resource of the requested version to the host and storing the software resource of the requested version to the resource pool agent.
Still further, after sending the software resource of the requested version to the host and storing the software resource of the requested version to the resource pool agent, the method further includes: deleting the saved version of the software resource in the resource pool proxy.
That is, when a host requests a software resource from a resource pool, the host forwards the request through a resource pool proxy, and establishes yum a request path from a source to the resource pool proxy to the resource pool host. For the software resource request of the host machine, firstly, the software resource request passes through a resource pool agent, and if the software resource request has the corresponding software resource, the software resource request can be directly returned to the host machine; otherwise, the resource request is forwarded to yum source through the resource agent pool, the corresponding software resource is returned to the resource agent pool, the resource agent pool returns the request of the host machine and caches the software resource to the resource agent pool, so that the request can be directly processed through the resource agent pool in the next request. The specific implementation flow is shown in fig. 3.
Therefore, different from the existing mode of creating a complete mirror image in a resource pool, the mode creates the complete mirror image, so that software resources needed by the resource pool cannot be distinguished, a large amount of redundancy exists, and a public cloud scene cannot be matched. In the resource pool software downloading method provided in embodiment 1 of the present invention, the resource request of the host is processed in a resource pool proxy manner, and only the software resource requested by the host needs to be downloaded in the resource pool proxy, so as to implement downloading of the software resource as needed, and therefore, it is no longer necessary to perform a synchronization operation on each yum source mirror image, thereby reducing a redundant operation for creating a mirror image, and at the same time, the request of the host can be effectively processed, that is, a resource cache can be established through the resource pool proxy, and capacity management is performed on the resource pool, thereby implementing maximum sharing, most efficient utilization, and most cost saving of the resource pool.
In order to improve the efficiency of responding to the user request, the software resource updating mode adopts an LRU algorithm. Specifically, the step of storing the software resource to the resource pool agent includes the following steps: judging whether the resource pool proxy is full; when the resource pool agent is full, saving the software resource to the resource pool agent by utilizing an LRU algorithm; and when the resource pool proxy is not full, storing the software resource into a free pool of the resource pool proxy.
For example, the algorithm flow is shown in fig. 3: the cache will retain the data that has been used frequently in the last period of time and eliminate the data that has not been used frequently in the last period of time. The LRU maintains a list of contents in the cache, stores the data that has been used most recently, and jumps to the first bit when data is requested. If the requested data is in the list, i.e., in the cached store (e.g., in the K-th bit), then the data location that precedes K will be shifted back by one bit and no content will be evicted.
To describe the resource pool software downloading method in embodiment 1 of the present invention in more detail, a specific example is given. When the resource pool host needs to download software, for example, requests to download a python package, the download is performed using the yum install python command:
1. the host computer initiates a request for downloading the python package and the dependent package to the resource pool agent;
2. the resource pool agent judges whether a local cache corresponding to the python packet and the dependency packet exists, and if so, the resource is directly returned to the host machine for installation; if the next step is not continuously executed;
3. the resource pool agent obtains the corresponding software resource from the source yum, after downloading, the software resource is cached locally, the resource pool is updated by adopting an LRU algorithm, and the relevant packet requested by the host machine is returned to the host machine.
4. Special cases are as follows: if the resource pool agent finds that the old version of software exists locally during downloading, the old version of software is deleted, namely only the latest software used in the resource pool is reserved.
Therefore, in the method for downloading software on demand by the resource pool provided in embodiment 1 of the present invention, the request of the host is processed in a resource pool proxy manner, so as to achieve better management of yum sources, and after the yum source executes the update operation, the synchronization operation of each yum source image is no longer required, thereby reducing the redundant operation of creating an image, and simultaneously, the request of the host can be effectively processed. By adding the resource pool agent, the computing time of the resource pool management system is greatly reduced, the calling speed of the server is increased, the resource calling efficiency of the resource pool is improved, and the resource utilization rate of each server is improved.
Example 2
The embodiment 2 of the invention provides a resource pool software downloading device. Fig. 5 is a schematic structural diagram of a resource pool software downloading device in embodiment 2 of the present invention. As shown in fig. 5, the resource pool software downloading apparatus in embodiment 2 of the present invention includes a receiving module 20, a determining module 21, a downloading module 22, and a sending module 23.
Specifically, the receiving module 20 is configured to receive a software request sent by a host;
the judging module 21 is configured to, when receiving a software request sent by a host, judge whether a software resource corresponding to the software request exists in a resource pool proxy;
a downloading module 22, configured to send a request message of the software resource when the software resource corresponding to the software request does not exist in the resource pool agent; receiving yum the software resource of the source feedback, saving the software resource of the feedback to the resource pool agent,
and the sending module 23 is configured to send the fed back software resource to the host.
The details of the resource pool software downloading apparatus may be understood by referring to the corresponding descriptions and effects in the embodiments shown in fig. 1 to fig. 4, which are not described herein again.
Example 3
Embodiments of the present invention also provide a server, which may include a processor and a memory, where the processor and the memory may be connected by a bus or in another manner.
The processor may be a Central Processing Unit (CPU). The Processor may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, or a combination thereof.
The memory, which is a non-transitory computer-readable storage medium, may be used to store non-transitory software programs, non-transitory computer-executable programs, and modules, such as program instructions/modules corresponding to the resource pool software downloading method in the embodiment of the present invention (for example, the receiving module 20, the determining module 21, the downloading module 22, and the sending module 23 shown in fig. 5). The processor executes various functional applications and data processing of the processor by running non-transitory software programs, instructions and modules stored in the memory, that is, the resource pool software downloading method in the above method embodiment is implemented.
The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor, and the like. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory optionally includes memory located remotely from the processor, and such remote memory may be coupled to the processor via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the memory and, when executed by the processor, perform a resource pool software download method as in the embodiments of fig. 1-4.
The details of the server may be understood by referring to the corresponding descriptions and effects in the embodiments shown in fig. 1 to fig. 5, and are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD), a Solid State Drive (SSD), or the like; the storage medium may also comprise a combination of memories of the kind described above.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. A resource pool software downloading method is characterized by comprising the following steps:
when a software request sent by a host is received, judging whether a software resource corresponding to the software request exists in a resource pool agent or not;
when the software resource corresponding to the software request does not exist in the resource pool agent, sending a request message of the software resource;
and receiving yum the software resource fed back by the source, sending the fed back software resource to the host and storing the software resource to the resource pool agent.
2. The method of claim 1, further comprising:
and when the software resource corresponding to the software request exists in the resource pool agent, sending the software resource in the resource pool agent to the host.
3. The method of claim 2, wherein the software request includes request version information, and before sending the software resource in the resource pool proxy to the host, further comprising:
acquiring the stored version information of the software resource in the resource pool agent;
judging whether the stored version of the software resource is lower than the requested version or not according to the requested version information and the stored version information;
when the saved version is lower than the requested version, sending a request message of the software resource;
and receiving yum the software resource of the requested version fed back by the source, sending the software resource of the requested version to the host and storing the software resource of the requested version to the resource pool agent.
4. The method of claim 3, further comprising, after sending the requested version of the software resource to the host and saving to the resource pool proxy:
deleting the saved version of the software resource in the resource pool proxy.
5. The method of claim 1, wherein saving the software resource that is fed back to the resource pool proxy comprises:
judging whether the resource pool proxy is full;
when the resource pool agent is full, the software resource fed back is saved to the resource pool agent by utilizing an LRU algorithm.
6. The method of claim 5, further comprising:
and when the resource pool proxy is not full, storing the fed back software resource into a free pool of the resource pool proxy.
7. The method of claim 5, wherein said saving the software resource to the resource pool agent using the LRU algorithm for feedback comprises:
respectively acquiring the interval duration from the last use of each software resource in the resource pool agent to the current moment;
and replacing the software resource with the longest interval duration by the fed-back software resource.
8. A resource pool software downloading apparatus, comprising:
the receiving module is used for receiving a software request sent by a host;
the judging module is used for judging whether software resources corresponding to the software requests exist in the resource pool agent or not when the software requests sent by the host are received;
the downloading module is used for sending a request message of the software resource when the software resource corresponding to the software request does not exist in the resource pool agent; receiving yum the software resource of the source feedback, saving the software resource of the feedback to the resource pool agent,
and the sending module is used for sending the fed back software resources to the host.
9. A server, comprising:
a memory and a processor, the memory and the processor being communicatively connected to each other, the memory having stored therein computer instructions, the processor executing the computer instructions to perform the resource pool software download method of any of claims 1-7.
10. A computer-readable storage medium storing computer instructions for causing a computer to perform the resource pool software download method of any one of claims 1-7.
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