CN114143180A - Method and device for light-weight rapid automatic deployment of K8s cluster - Google Patents
Method and device for light-weight rapid automatic deployment of K8s cluster Download PDFInfo
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- CN114143180A CN114143180A CN202111220378.9A CN202111220378A CN114143180A CN 114143180 A CN114143180 A CN 114143180A CN 202111220378 A CN202111220378 A CN 202111220378A CN 114143180 A CN114143180 A CN 114143180A
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- 238000000034 method Methods 0.000 title claims abstract description 27
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- 230000003287 optical effect Effects 0.000 description 4
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0876—Aspects of the degree of configuration automation
- H04L41/0886—Fully automatic configuration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0889—Techniques to speed-up the configuration process
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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Abstract
The invention relates to a method and a device for light-weight rapid automatic deployment of a K8s cluster, wherein the method comprises the following steps: determining the environment configuration and the control machine configuration of the target K8s cluster; constructing an access script, a running environment script, a node script and a network script which are required by a target K8s cluster; the access scripts, runtime environment scripts, node scripts, and network scripts are automatically executed on the target K8s cluster using a control engine and an infrastructure. The invention changes the processes of environment configuration, secret-free intercommunication among machines, necessary software installation, configuration interconnection and the like into a flow automation script through shell scripting; and uniformly arranging and arranging the shell script and the K8sadmin through the ansable, and finishing the aim of light-weight rapid automatic deployment of the whole K8s cluster.
Description
Technical Field
The invention belongs to the field of cloud computing, and particularly relates to a method and a device for light-weight rapid automatic deployment of a K8s cluster.
Background
Kubernetes technology (K8s) is a Docker container cluster management system sourced by Google, and has very powerful functions. The multifunctional cloud storage platform has the advantages of being easy to learn, portable (cloud-native, public cloud, private cloud, public-private mixed cloud), extensible, self-repairing and the like. It is now a very mainstream application technology in ops (operation and maintenance).
Due to the fact that a large number of K8s cluster environments are needed when a cloud environment is deployed, the problems of inconvenience, instability and the like of installation and configuration of a binary installation package can be encountered; even after the problems that the K8s cluster is deployed by one key of KubeOperator, such as heavy opacity, and the like, a scheme for automatically deploying the K8s cluster with light weight, rapidness and flexibility is needed.
Disclosure of Invention
In order to solve the problems of inconvenient configuration, instability, lack of flexibility and transparency of the K8s cluster, the invention provides a method for light-weight rapid automatic deployment of the K8s cluster, which comprises the following steps: determining the environment configuration and the control machine configuration of the target K8s cluster; constructing an access script, a running environment script, a node script and a network script which are required by a target K8s cluster; the access scripts, runtime environment scripts, node scripts, and network scripts are automatically executed on the target K8s cluster using a control engine and an infrastructure.
In some embodiments of the present invention, the determining the environment configuration and the control machine configuration of the target K8s cluster comprises: acquiring a container mirror image and corresponding components of a target K8s cluster, and importing the container mirror image and the corresponding components into a control machine; and writing the machine configuration of the target K8s cluster into the configuration file of the control machine.
Further, the writing the machine configuration of the target K8s cluster into the configuration file of the control machine includes: and writing the machine configuration of each master service node server, each node server and all the servers of the target K8s cluster into the configuration file of the control machine by using the ansable.
In some embodiments of the invention, the node script comprises a master node script and a node script.
Further, the master node script is used for network address configuration of the container mirror image, file distribution of the container mirror image and network configuration of each node.
In the above embodiment, verifying the target K8s cluster after deployment is completed is further included.
In a second aspect of the present invention, a light-weight device for rapidly and automatically deploying a K8s cluster system is provided, where the determination module is configured to determine an environmental configuration and a controller configuration of a target K8s cluster; the building module is used for building an access script, a running environment script, a node script and a network script which are required by the target K8s cluster; and the execution module is used for automatically executing the access script, the running environment script, the node script and the network script on the target K8s cluster by using the control machine and the infrastructure.
Further, the determining module comprises an acquiring unit and a writing unit, wherein the acquiring unit is used for acquiring the container mirror image and corresponding components of the target K8s cluster and guiding the container mirror image and corresponding components into the controller; and the writing unit is used for writing the machine configuration of the target K8s cluster into the configuration file of the control machine.
In a third aspect of the present invention, there is provided an electronic device comprising: one or more processors; a storage device for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the method for light-weight fast automated deployment of the K8s cluster provided by the first aspect of the invention.
In a fourth aspect of the present invention, there is provided a computer readable medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the method for light-weight fast automated deployment of K8s clusters provided in the first aspect of the present invention.
The invention has the beneficial effects that:
1. the method has the advantages that the integrated software is deployed and installed through one key, the defects of opaque configuration, difficulty in modification, non-light weight in deployment, partial unnecessary redundant objects and the like exist, and the defects that the installation process is complicated, the problem is easy to occur, the copying and the migration are not easy to happen through a binary installation package are overcome;
2. in the invention, environment configuration, secret-free intercommunication among machines, necessary software installation, configuration interconnection and the like are changed into script hydration automation fragments through shell scripting; the official support of the k8s semi-automatic deployment of the k8sadmin deployment of the k8s basic environment and master configuration; and arranging the script and the k8sadmin uniformly by using the ansable, thereby finishing the aim of light-weight rapid automatic deployment of the whole k8s cluster.
Drawings
Fig. 1 is a basic flow diagram of a method for lightweight rapid automated deployment of a K8s cluster system in some embodiments of the invention;
FIG. 2 is a schematic diagram of a method for lightweight rapid automated deployment of K8s cluster systems in some embodiments of the invention;
FIG. 3 is a schematic diagram of the SSHKEY configuration in an access script in some embodiments of the invention;
FIG. 4 is a diagram illustrating a specific configuration of the server base environments running environment scripts in some embodiments of the present invention;
FIG. 5 is a specific configuration diagram of software related to each server K8s running environment scripts in some embodiments of the invention;
FIG. 6 is one of the detailed configuration diagrams of a master node script in some embodiments of the invention;
FIG. 7 is a second schematic diagram of a specific configuration of a master node script in some embodiments of the invention;
FIG. 8 is a schematic diagram of a network script configuration for each node server in some embodiments of the invention;
FIG. 9 is one of schematic diagrams illustrating the effects of verifying the deployed K8s cluster system in some embodiments of the invention;
fig. 10 is a second schematic diagram illustrating the verification effect of the deployed K8s cluster system in some embodiments of the present invention;
fig. 11 is a schematic structural view of a light-weight rapid automated deployment K8s cluster device in some embodiments of the invention;
fig. 12 is a schematic structural diagram of an electronic device in some embodiments of the invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 and 2, in a first aspect of the present invention, there is provided a method for light-weight rapid automatic deployment of a K8s cluster, including: s100, determining the environment configuration and the controller configuration of a target K8s cluster; s200, constructing an access script, an operating environment script, a node script and a network script which are required by a target K8s cluster; s300, automatically executing the access script, the running environment script, the node script and the network script on the target K8s cluster by using a control machine and an infrastructure.
Without loss of generality, the scripts in the present invention are understood to be Shell scripts; a control machine is understood to be a device and apparatus that is capable of compiling and/or executing real or virtualized Shell scripts.
Referring to fig. 2, in an embodiment, the steps are specifically: 1. determining a machine which is outside a cluster and communicated with a cluster network, installing infrastructure software, configuring etc/infrastructure/host, and configuring all, masters and nodes for a target K8s cluster machine;
2. SSH secret-free login between target K8s cluster machines is set quickly by using ansable;
3. performing K8s.yml by using an allowed-playbook (including basic configuration setting of machines, K8s installation of necessary software such as dockers, vims and kubecect of each machine, K8s cluster master machine configuration, K8s cluster node machine configuration and K8s cluster network configuration);
4. and integrating one key by using the shell script for installation in the steps 3, finishing the light-weight rapid automatic deployment of the K8s cluster by using the ansible + shell + K8sadmin, and viewing the machine and the state by using the kubecect node.
Optionally, the configuration file is not limited to yml file format, for example, xml, jason, etc. can be used as the file format required by the final or intermediate transmission of the configuration file, and the interconversion among the above configuration files is realized by the relevant tool software. SSH may also be replaced with other tools for connections or sessions between the various node servers of the K8s cluster.
In step S100 of some embodiments of the present invention, the determining the environment configuration and the control engine configuration of the target K8S cluster includes: s101, acquiring a container mirror image and a corresponding component of a target K8s cluster, and guiding the container mirror image and the corresponding component into a control machine; and S102, writing the machine configuration of the target K8s cluster into a configuration file of a control machine.
Specifically, the above steps S101 to S102 include: 1. preparing environment, namely putting docker images required by a K8s cluster into a docker warehouse, wherein the docker images comprise coredns, etcd, apiserer, controller-manager, flannel, proxy and scheduler; preparing a control machine, installing an anchor, and configuring a machine of which a target needs to be configured with a K8s cluster into an anchor/host; and preparing a shell script, wherein the shell script comprises an SSHKEY configuration, 5 sub-scripts and a key file.
Further, the writing the machine configuration of the target K8s cluster into the configuration file of the control machine includes: and writing the machine configuration of each master service node server, each node server and all the servers of the target K8s cluster into the configuration file of the control machine by using the ansable.
Referring to fig. 3 to 8, specific configurations of an access script, a runtime environment script, a software configuration script related to each server K8s, a master node script, and a network script are respectively shown, wherein the access script is implemented by SSH or other node session software, and the SSHKEY configuration defines a login ID, a login password, a key file, and the like related thereto.
Referring to fig. 6-8, there are three roles in the configuration object in the cluster server: all, master, node, the node server for each role needs to correspond to different configurations, so in step S200 of some embodiments of the present invention, the node script includes a master node script and a node script.
Further, the master node script is used for network address configuration of the container mirror image, file distribution of the container mirror image and network configuration of each node. Which comprises the following steps: the master node and the intranet address of each node, the network address of the database (repository) that provides the image file.
Referring to fig. 9-10, in the above embodiment, verifying the target K8s cluster after it is deployed is further included. It can be understood that, although the K8s cluster is only exemplified by the configuration of the arri cloud, it does not affect other public clouds or private clouds to implement the automation script through corresponding interfaces or command migration.
Example 2
Referring to fig. 11, in a second aspect of the present invention, there is provided an apparatus 1 for light-weight fast automatic deployment of a K8s cluster system, comprising: a determining module 11, configured to determine an environment configuration and a control machine configuration of the target K8s cluster; the building module 12 is used for building an access script, a running environment script, a node script and a network script which are required by the target K8s cluster; and the execution module 13 is used for automatically executing the access script, the running environment script, the node script and the network script on the target K8s cluster by using a control machine and an infrastructure.
Further, the determining module 11 includes an obtaining unit and a writing unit, where the obtaining unit is configured to obtain a container mirror image and corresponding components of the target K8s cluster, and introduce the container mirror image and corresponding components into the controller; and the writing unit is used for writing the machine configuration of the target K8s cluster into the configuration file of the control machine.
Example 3
Referring to fig. 12, in a third aspect of the present invention, there is provided an electronic apparatus comprising: one or more processors; storage means for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to carry out the method of the first aspect of the invention.
The electronic device 500 may include a processing means (e.g., central processing unit, graphics processor, etc.) 501 that may perform various appropriate actions and processes in accordance with a program stored in a Read Only Memory (ROM)502 or a program loaded from a storage means 508 into a Random Access Memory (RAM) 503. In the RAM503, various programs and data necessary for the operation of the electronic apparatus 500 are also stored. The processing device 501, the ROM502, and the RAM503 are connected to each other through a bus 504. An input/output (I/O) interface 505 is also connected to bus 504.
The following devices may be connected to the I/O interface 505 in general: input devices 506 including, for example, a touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; output devices 507 including, for example, a Liquid Crystal Display (LCD), speakers, vibrators, and the like; a storage device 508 including, for example, a hard disk; and a communication device 509. The communication means 509 may allow the electronic device 500 to communicate with other devices wirelessly or by wire to exchange data. While fig. 12 illustrates an electronic device 500 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 alternatively be implemented or provided. Each block shown in fig. 12 may represent one device or may represent a plurality of devices as desired.
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 embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network via the communication means 509, or installed from the storage means 508, or installed from the ROM 502. The computer program, when executed by the processing device 501, performs the above-described functions defined in the methods of embodiments of the present disclosure. It should be noted that the computer readable medium described in the embodiments 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 embodiments of the 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 embodiments of the present disclosure, however, a computer readable signal medium may comprise 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 many 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.
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 computer programs which, when executed by the electronic device, cause the electronic device to:
computer program code for carrying out operations for embodiments of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, Python, 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 above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A method for light-weight rapid automatic deployment of a K8s cluster, comprising:
determining the environment configuration and the control machine configuration of the target K8s cluster;
constructing an access script, a running environment script, a node script and a network script which are required by a target K8s cluster;
the access scripts, runtime environment scripts, node scripts, and network scripts are automatically executed on the target K8s cluster using a control engine and an infrastructure.
2. The method for light weight rapid automated deployment of a K8s cluster according to claim 1, wherein the determining an environmental configuration and a control machine configuration of a target K8s cluster includes:
acquiring a container mirror image and corresponding components of a target K8s cluster, and importing the container mirror image and the corresponding components into a control machine;
and writing the machine configuration of the target K8s cluster into the configuration file of the control machine.
3. The method for light weight rapid automated deployment of a K8s cluster according to claim 2, wherein the writing of the machine configuration of the target K8s cluster to the configuration file of the control machine comprises:
and writing the machine configuration of each master service node server, each node server and all the servers of the target K8s cluster into the configuration file of the control machine by using the ansable.
4. The method for light-weight rapid automated deployment of K8s clusters according to claim 1, wherein the node scripts include a master node script and a node script.
5. The method for light-weight rapid automated deployment of K8s clusters according to claim 4, wherein the master node script is used for network address configuration of container images, file distribution of container images and network configuration of each node.
6. The method for light weight rapid automated deployment of K8s clusters according to any one of claims 1-5, further comprising validating a target K8s cluster after it is deployed.
7. A device for light-weight rapid automatic deployment of a K8s cluster system is characterized in that,
the determining module is used for determining the environment configuration and the control machine configuration of the target K8s cluster;
the building module is used for building an access script, a running environment script, a node script and a network script which are required by the target K8s cluster;
and the execution module is used for automatically executing the access script, the running environment script, the node script and the network script on the target K8s cluster by using the control machine and the infrastructure.
8. The apparatus for light-weight rapid automated deployment of a K8s cluster system according to claim 7, wherein the determination module includes an acquisition unit and a write unit,
the acquisition unit is used for acquiring the container mirror image and corresponding components of the target K8s cluster and guiding the container mirror image and the corresponding components into the control machine;
and the writing unit is used for writing the machine configuration of the target K8s cluster into the configuration file of the control machine.
9. An electronic device, comprising: one or more processors; storage means for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the method for lightweight fast automated deployment of a K8s cluster according to any of claims 1-6.
10. A computer readable medium having a computer program stored thereon, wherein the computer program when executed by a processor implements a method of lightweight fast automated deployment of K8s clusters as claimed in any one of claims 1 to 6.
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