CN110011877A - A kind of switch test method and apparatus - Google Patents

Abstract

The invention discloses a kind of switch test method and apparatus, comprising: multiple virtual machines is established on physical host, ONIE virtual machine, Dynamic Host Configuration Protocol server virtual machine and HTTP server virtual machine including being tested interchanger；Multiple virtual machines are connected with the shared network equipment and configure virtual environment；ONIE virtual machine is set to access Dynamic Host Configuration Protocol server virtual machine in virtual environment to obtain dynamic IP addressing；ONIE virtual machine is set to access HTTP server virtual machine in virtual environment by dynamic IP addressing to obtain ONIE self refresh file and/or NOS mirror image；The function of updating ONIE, the new NOS of installation, and/or the existing NOS of unloading is tested according to ONIE self refresh file and/or NOS mirror image.Technical solution of the present invention can carry out ONIE test to different interchangers or different types of interchanger, reduce the testing time, reduce resource occupation, improve resource utilization.

Description

A switch testing method and device

technical field

The present invention relates to the field of virtual machines, and more particularly, to a switch testing method and device.

Background technique

The white box switch must be equipped with the ONIE system when it leaves the factory. ONIE is a Linux-based boot system running on bare metal switches. Its main function is to find and discover NOS in the network where the white box switch is located, and transmit the found NOS to the white box switch and then install the NOS. After the white-box switch is successfully installed, the user controls the white-box switch through the NOS to manage and control network resources. Therefore, designing and developing a robust ONIE system is one of the goals that white box switch manufacturers must achieve. Specifically, the functions that ONIE needs to implement include "find and install NOS", "uninstall NOS", and "find and update ONIE". When testing the ONIE function, the switch needs to be placed in a network environment, and the switch and several servers are used for testing. Building a physical test and verification environment with actual switches and servers takes up a lot of hardware equipment resources; the ONIE function test process mostly involves restarting switches and other operations, which takes a long time; and only one function can be verified using the actual physical environment at the same time , resource utilization is low.

Aiming at the problems of long time-consuming, high resource occupation, and low resource utilization rate of switch ONIE testing in the prior art, there is currently no effective solution.

SUMMARY OF THE INVENTION

In view of this, the purpose of the embodiments of the present invention is to provide a switch testing method and apparatus, which can perform ONIE testing on different switches or switches of different types, reduce testing time, reduce resource occupation, and improve resource utilization.

Based on the above purpose, an aspect of the embodiments of the present invention provides a method for testing a switch, including the following steps:

Create multiple virtual machines on the physical host, including the ONIE virtual machine, DHCP server virtual machine and HTTP server virtual machine of the switch under test;

Connect multiple virtual machines with shared network devices and configure virtual environments;

Make the ONIE virtual machine access the DHCP server virtual machine in the virtual environment to obtain a dynamic IP address;

Enable ONIE virtual machine to access HTTP server virtual machine in virtual environment through dynamic IP address to obtain ONIE self-updating file and/or NOS image;

The ability to update ONIE, install new NOS, and/or uninstall existing NOS is tested against ONIE self-update files and/or NOS mirrors.

In some embodiments, establishing the ONIE virtual machine includes:

Compile KVM-available virtual machine firmware and ONIE system;

Use the virtual machine firmware and ONIE system in KVM to start the ONIE virtual machine.

In some embodiments, the shared network device is a physical bridge provided on a physical host.

In some implementations, configuring the virtual environment includes:

Set the name and IP address for the physical bridge;

Identify the shared network device used by the DHCP server virtual machine and the HTTP server virtual machine as the name and IP address of the physical bridge;

Configure the backend connection of the ONIE virtual machine to bridge mode, and use the name and IP address of the physical bridge as the parameters of bridge mode.

In some embodiments, DHCP, DNS, TFTP, and HTTP services are deployed on the DHCP server virtual machine.

In some implementations, an HTTP service is deployed on the HTTP server virtual machine.

In some embodiments, the physical host is a linux host; the DHCP server virtual machine and the HTTP server virtual machine are virtual machines of a linux server.

In some embodiments, there are multiple ONIE virtual machines; wherein the multiple ONIE virtual machines execute the same test in parallel.

Another aspect of the embodiments of the present invention further provides a switch testing device, including:

processor; and

The memory stores program codes executable by the processor, wherein the program codes execute the above-mentioned switch testing method when executed by the processor.

Another aspect of the embodiments of the present invention further provides a physical host, including the above-mentioned switch testing apparatus.

The present invention has the following beneficial technical effects: the switch testing method and device provided by the embodiments of the present invention, by establishing multiple virtual machines on a physical host, including ONIE virtual machines, DHCP server virtual machines and HTTP server virtual machines of the tested switch, Connect multiple virtual machines with shared network devices and configure the virtual environment so that the ONIE virtual machine can access the DHCP server virtual machine in the virtual environment to obtain a dynamic IP address, and enable the ONIE virtual machine to access the HTTP server virtual machine in the virtual environment through the dynamic IP address In order to obtain ONIE self-update files and/or NOS images, and test technical solutions for updating ONIE, installing new NOS, and/or uninstalling existing NOS functions according to the ONIE self-update files and/or NOS images, it is possible to test the technical solutions for the functions of different switches. Or different types of switches to conduct ONIE test, reduce test time, reduce resource occupation, and improve resource utilization.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other embodiments can also be obtained according to these drawings without creative efforts.

1 is a schematic flowchart of a switch testing method provided by the present invention;

FIG. 2 is a schematic structural diagram of a physical host of the switch testing method provided by the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the embodiments of the present invention will be further described in detail below with reference to the specific embodiments and the accompanying drawings.

It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are for the purpose of distinguishing two entities with the same name but not the same or non-identical parameters. " is only for the convenience of expression, and should not be construed as a limitation on the embodiments of the present invention, and subsequent embodiments will not describe them one by one.

Based on the above objective, in the first aspect of the embodiments of the present invention, an embodiment of a method for performing ONIE testing on different switches or switches of different types is proposed. FIG. 1 shows a schematic flowchart of an embodiment of a switch testing method provided by the present invention.

The switch testing method includes the following steps:

Step S101, establishing multiple virtual machines on the physical host, including the ONIE virtual machine, the DHCP server virtual machine and the HTTP server virtual machine of the switch under test;

Step S103, using a shared network device to connect multiple virtual machines and configure a virtual environment;

Step S105, enabling ONIE virtual machine to access the DHCP server virtual machine in the virtual environment to obtain a dynamic IP address;

Step S107, making the ONIE virtual machine access the HTTP server virtual machine in the virtual environment through the dynamic IP address to obtain the ONIE self-updating file and/or the NOS image;

In step S109, the functions of updating ONIE, installing a new NOS, and/or uninstalling an existing NOS are tested according to the ONIE self-update file and/or the NOS image.

In the embodiment of the present invention, the virtual environment is used for the test of the switch, and the ONIE function irrelevant to the hardware configuration of the switch is transferred to the virtual environment for testing, so that the test process becomes flexible and efficient, and is free from the limitation of hardware; The configuration method of the environment, through the use of shared network equipment, makes each virtual machine and virtual switch build a small network, which can simulate the actual test situation.

Those of ordinary skill in the art can understand that all or part of the processes in the methods of the above embodiments can be implemented by instructing relevant hardware through a computer program, and the program can be stored in a computer-readable storage medium. , may include the flow of the above-mentioned method embodiments. The storage medium may be a magnetic disk, an optical disk, a read only memory (ROM), or a random access memory (RAM), or the like. The embodiments of the computer program can achieve the same or similar effects as any of the foregoing method embodiments corresponding thereto.

In some embodiments, establishing the ONIE virtual machine includes:

Compile KVM-available virtual machine firmware and ONIE system;

Use the virtual machine firmware and ONIE system in KVM to start the ONIE virtual machine.

In some embodiments, the shared network device is a physical bridge provided on a physical host.

In some implementations, configuring the virtual environment includes:

Set the name and IP address for the physical bridge;

Identify the shared network device used by the DHCP server virtual machine and the HTTP server virtual machine as the name and IP address of the physical bridge;

Configure the backend connection of the ONIE virtual machine to bridge mode, and use the name and IP address of the physical bridge as the parameters of bridge mode.

In some embodiments, DHCP, DNS, TFTP, and HTTP services are deployed on the DHCP server virtual machine.

In some implementations, an HTTP service is deployed on the HTTP server virtual machine.

In some embodiments, the physical host is a linux host; the DHCP server virtual machine and the HTTP server virtual machine are virtual machines of a linux server.

In some embodiments, there are multiple ONIE virtual machines; wherein the multiple ONIE virtual machines execute the same test in parallel.

The methods disclosed according to the embodiments of the present invention may also be implemented as a computer program executed by the CPU, and the computer program may be stored in a computer-readable storage medium. When the computer program is executed by the CPU, the above-mentioned functions defined in the methods disclosed in the embodiments of the present invention are executed. The above-mentioned method steps can also be implemented using a controller and a computer-readable storage medium storing a computer program for causing the controller to implement the above-mentioned steps.

As shown in Figure 2, multiple virtual machines are established in a physical Linux workstation (ie, a physical host), and these virtual machines are connected to the same configured physical network bridge (ie, the shared network device in the figure) of the Linux workstation. . ONIE_kvm represents a virtual white-box switch. It is implemented by first compiling the KVM-based virtual machine firmware and ONIE system, then using the kvm command to start the virtual machine, and specifying the compiled firmware and ONIE system in the command line options, so that The activated kvm virtual machine represents the ONIE system on the actual switch, so that most of the functions of the ONIE system can be tested with this ONIE_kvm.

ONIE_kvm connects to the virtual network through the shared network device, that is, the physical bridge of the Linux workstation. Multiple virtual machines can be deployed within a virtual network. Two Linux virtual machines are deployed: respectively called Linux server (ie the aforementioned DHCP server) and HTTP server (ie the aforementioned HTTP server). Deploy services such as DHCP, DNS, TFTP, and HTTP on Linux Server. Only HTTP services are deployed on HTTP Server. Through the different combinations of different services of the two virtual Linux servers, the functional realization of the ONIE system in many different situations can be verified.

Among them, configuring the virtual environment includes: first, configure a physical bridge br0 on the physical Linux Workstation with an IP address of 192.168.1.100/24; when building a virtual Linux server, specify the use of a shared network device br0; then use the kvm command to start When virtual switch, specify the switch backend to use bridge mode, and specify the parameter br=br0.

Those skilled in the art will also appreciate that the various exemplary steps described in connection with the disclosure herein may be implemented as electronic hardware, computer software, or a combination of both. To clearly illustrate this interchangeability of hardware and software, various illustrative steps have been described generally in terms of their functionality. Whether such functionality is implemented as software or hardware depends on the specific application and design constraints imposed on the overall system. Those skilled in the art may implement the described functions in various ways for each specific application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments of the present invention.

It can be seen from the above embodiments that the switch testing method provided by the embodiments of the present invention establishes multiple virtual machines on a physical host, including the ONIE virtual machine, the DHCP server virtual machine and the HTTP server virtual machine of the switch under test, and uses a shared The network device connects multiple virtual machines and configures the virtual environment so that the ONIE virtual machine accesses the DHCP server virtual machine in the virtual environment to obtain a dynamic IP address, and enables the ONIE virtual machine to access the HTTP server virtual machine in the virtual environment through the dynamic IP address to obtain the dynamic IP address. ONIE self-update file and/or NOS mirror, according to the ONIE self-update file and/or NOS mirror to test the technical solution of updating ONIE, installing new NOS, and/or uninstalling the existing NOS function, which can be used for different switches or different Types of switches are tested for ONIE, which reduces test time, reduces resource occupation, and improves resource utilization.

It should be particularly pointed out that each step in each embodiment of the above-mentioned switch testing method can be mutually intersected, replaced, added, and deleted. Therefore, these reasonable permutations and combinations should also belong to the protection of the present invention for the switch testing method. scope, and should not limit the scope of protection of the present invention to the described embodiments.

Based on the above objective, a second aspect of the embodiments of the present invention provides an embodiment of an apparatus capable of performing ONIE testing on different switches or switches of different types. The device includes:

processor; and

The memory stores program codes executable by the processor, wherein the program codes execute the above-mentioned switch testing method when executed by the processor.

The apparatuses, devices, etc. disclosed in the embodiments of the present invention may be various electronic terminal devices, such as mobile phones, personal digital assistants (PDAs), tablet computers (PADs), smart TVs, etc., or large-scale terminal devices, such as servers, etc. Therefore, the protection scope disclosed by the embodiments of the present invention should not be limited to a certain type of apparatus or equipment. The clients disclosed in the embodiments of the present invention may be applied to any of the foregoing electronic terminal devices in the form of electronic hardware, computer software, or a combination of the two.

Based on the above objective, in a third aspect of the embodiments of the present invention, an embodiment of a physical host capable of performing ONIE tests on different switches or switches of different types is provided. The physical host uses the above-mentioned switch testing device to test the ONIE of the switch.

It can be seen from the above embodiments that the switch testing device and the physical host provided by the embodiments of the present invention establish multiple virtual machines on the physical host, including the ONIE virtual machine, the DHCP server virtual machine, and the HTTP server virtual machine of the switch under test. , Connect multiple virtual machines with a shared network device and configure the virtual environment, so that the ONIE virtual machine can access the DHCP server virtual machine in the virtual environment to obtain a dynamic IP address, and enable the ONIE virtual machine to access the HTTP server virtual machine in the virtual environment through the dynamic IP address. obtain ONIE self-update files and/or NOS images, and test technical solutions for updating ONIE, installing new NOS, and/or uninstalling existing NOS functions according to the ONIE self-update files and/or NOS images. Switches or different types of switches perform ONIE testing to reduce test time, reduce resource occupation, and improve resource utilization.

It should be particularly pointed out that the above embodiments of the switch testing device and the physical host use the embodiments of the switch testing method to specifically describe the working process of each module. Those skilled in the art can easily imagine that these modules are applied to all modules. in other embodiments of the switch testing method. Of course, since each step in the embodiment of the switch testing method can be crossed, replaced, added, and deleted, these reasonable permutations and combinations should also belong to the present invention for the switch testing device and the physical host. protection scope, and should not limit the scope of protection of the present invention to the described embodiments.

The above are exemplary embodiments of the present disclosure, but it should be noted that various changes and modifications may be made without departing from the scope of the disclosure of the embodiments of the present invention as defined in the claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements disclosed in the embodiments of the present invention may be described or claimed in the singular, unless explicitly limited to the singular, the plural may also be construed.

It should be understood that, as used herein, the singular form "a" is intended to include the plural form as well, unless the context clearly supports an exception. It will also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items. The serial numbers of the embodiments disclosed in the embodiments of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.

Those of ordinary skill in the art should understand that the discussion of any of the above embodiments is only exemplary, and is not intended to imply that the scope (including the claims) disclosed by the embodiments of the present invention is limited to these examples; under the idea of the embodiments of the present invention , the technical features of the above embodiments or different embodiments can also be combined, and there are many other variations of the different aspects of the embodiments of the present invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present invention should be included within the protection scope of the embodiments of the present invention.

Claims (10)

1. a kind of switch test method, which comprises the following steps:

Multiple virtual machines are established on physical host, including be tested the ONIE virtual machine of interchanger, Dynamic Host Configuration Protocol server virtual machine and HTTP server virtual machine；

The multiple virtual machine is connected with the shared network equipment and configures virtual environment；

The ONIE virtual machine is set to access Dynamic Host Configuration Protocol server virtual machine in the virtual environment to obtain dynamic IP addressing；

Make the ONIE virtual machine accessed in the virtual environment by the dynamic IP addressing HTTP server virtual machine with Obtain ONIE self refresh file and/or NOS mirror image；

It is tested according to the ONIE self refresh file and/or NOS mirror image and updates ONIE, the new NOS of installation, and/or unload existing The function of some NOS.

2. the method according to claim 1, wherein establishing the ONIE virtual machine and including:

Compile the available virtual machine firmware of KVM and ONIE system；

Start the ONIE virtual machine using the virtual machine firmware and the ONIE system in KVM.

3. the method according to claim 1, wherein the shared network equipment is to be arranged in the physical host On physical bridge.

4. according to the method described in claim 3, it is characterized in that, configuration virtual environment includes:

For the physical bridge, title and IP address are set；

The shared network equipment used in the Dynamic Host Configuration Protocol server virtual machine and the HTTP server virtual machine is determined For the title and IP address of the physical bridge；

Bridge mode is configured by the connection of the rear end of the ONIE virtual machine, and by the title and IP address of the physical bridge Parameter as bridge mode.

5. the method according to claim 1, wherein be deployed on the Dynamic Host Configuration Protocol server virtual machine DHCP, DNS, TFTP, HTTP service.

6. the method according to claim 1, wherein being deployed with HTTP clothes on the HTTP server virtual machine Business.

7. the method according to claim 1, wherein the physical host is linux host；The DHCP service Device virtual machine and the HTTP server virtual machine are the virtual machine of linux server.

8. the method according to claim 1, wherein the ONIE virtual machine is multiple；Wherein, the multiple institute It states ONIE virtual machine and executes identical test parallel.

9. a kind of switch test device characterized by comprising

Processor；With

Memory is stored with the program code that processor can be run, and wherein said program code by the processor when being run Execute the switch test method as described in any one of claim 1-8.

10. a kind of physical host, which is characterized in that including switch test device as claimed in claim 9.