CN110908767B - Automatic parameter deployment method and device - Google Patents
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
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- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
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- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
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Abstract
The invention discloses a parameter automatic deployment method, which comprises the following steps: defining a parameter template in advance according to manufacturer information, wherein the parameter template comprises attribute information of virtual resources of different versions, parameter information of the virtual resources to be operated and parameter processing logic; acquiring key information in the virtual resource instantiation information, and matching the parameter template according to the key information; and performing template rendering according to the information recorded in the matched parameter template and the virtual resource instantiation information to obtain corresponding parameters. The invention also discloses a parameter automatic deployment device. The invention can realize automatic deployment of parameters.
Description
Technical Field
The invention relates to the field of computer software, in particular to an automatic parameter deployment technology.
Background
When deploying the virtualized network element, a pre-defined VNFD, i.e., TOSCA template is required to instantiate the virtual machine, including calculation, storage, network resources and specification parameters of the virtual machine. Because the TOSCA template cannot be directly accepted by the virtual layer system, the TOSCA template needs to be converted into specific deployment commands and respectively issued to each service of the virtual layer, including request URLs and parameters.
The TOSCA specification only defines semantics and syntax and does not limit how to parse and process, so that currently, each vendor privately realizes the mapping from TOSCA to RESTful API. Firstly, TOSCA is resolved into Abstract Syntax Trees (AST) as a memory object for business code processing; the service codes are generally in a hard coding form, and each node in the AST is converted into an API and parameters one by one.
In the continuous development of each specification of the TOSCA, the problem that each manufacturer uses different TOSCA versions occurs in the development process, and in the foreseeable future, each operator and each equipment manufacturer can face the problem of TOSCA multi-version support; meanwhile, although OpenStack is a real-time standard of VIM, there are also a plurality of versions of problems, and the problem that different VIMs of multiple manufacturers coexist and co-manage inevitably leads to diversity of VIM interfaces.
In the prior art, after NFV is used in large scale and commercial applications by adopting a manner that TOSCA corresponds to API parameter hard coding, version compatibility and characteristic adaptation are problems that G-VNFM and even NFVO of operators must be processed. The adoption of hard coding mode for the conversion obviously has great restriction on the stability, flexibility and expansibility of the system.
Therefore, how to flexibly and automatically configure and deploy parameters is a problem to be solved.
Disclosure of Invention
The invention discloses a parameter automatic deployment method, which comprises the following steps:
defining a parameter template in advance according to manufacturer information, wherein the parameter template comprises attribute information of virtual resources of different versions, parameter information of the virtual resources to be operated and parameter processing logic;
acquiring key information in the virtual resource instantiation information, and matching the parameter template according to the key information;
And performing template rendering according to the information recorded in the matched parameter template and the virtual resource instantiation information to obtain corresponding parameters.
Preferably, the method further comprises:
the parameter templates comprise a common parameter template and a common parameter template;
and if the common parameter templates cannot be matched according to the key information, matching by using the common parameter templates.
Preferably, the method further comprises:
configuring template rendering logic, and performing template rendering on all parameter templates according to the template rendering logic;
The template rendering logic includes paths of the parameter templates and execution functions and execution parameters.
Specific:
the attribute information of the virtual resource comprises basic attributes and association relations of the virtual resource;
the parameter processing logic comprises logic judgment, loop execution, inheritance and macro processing for the parameters.
Specific:
the virtual resource instantiation information comprises a VNFD file, VIM information of the NFVO and a manufacturer service list;
The key information comprises VNFD version information, VIM manufacturer version information and service sub-version information corresponding to the virtual resource.
Preferably, the method for performing template rendering according to the information recorded in the matched parameter template and the virtual resource instantiation information to obtain the corresponding parameter specifically includes:
And replacing the parameter information in the virtual resource instantiation information into the parameter template according to the parameter template, converting the parameter information of the virtual resource needing to be operated, and carrying out logic processing on the parameter according to the parameter processing logic to obtain the corresponding parameter.
The invention also discloses a parameter automatic deployment device, which comprises:
The parameter template definition unit is used for defining a parameter template in advance according to the manufacturer information, wherein the parameter template comprises attribute information of virtual resources of different versions, parameter information of the virtual resources required to be operated and parameter processing logic;
The parameter template matching unit is used for acquiring key information in the virtual resource instantiation information and matching the parameter template defined by the parameter template definition unit according to the key information;
And the parameter deployment unit is used for carrying out template rendering on the virtual resource instantiation information according to the information recorded in the matched parameter template to obtain corresponding parameters.
Preferably:
the parameter templates defined by the parameter template definition unit comprise common parameter templates and common parameter templates;
and if the parameter template matching unit can not match the common parameter template according to the key information, the common parameter template is used for matching.
Preferably, the device further comprises:
the template rendering logic configuration unit is used for configuring template rendering logic and performing template rendering on all parameter templates according to the template rendering logic;
The template rendering logic includes paths of the parameter templates and execution functions and execution parameters.
Specifically, it is characterized in that:
the attribute information of the virtual resource comprises basic attributes and association relations of the virtual resource;
the parameter processing logic comprises logic judgment, loop execution, inheritance and macro processing for the parameters.
Specifically, the parameter template matching unit further includes:
The information acquisition module is used for acquiring key information in the virtual resource instantiation information; the virtual resource instantiation information comprises a VNFD file, VIM information of the NFVO and a manufacturer service list; the key information comprises VNFD version information, VIM manufacturer version information and service sub-version information corresponding to virtual resources;
and the template matching module is used for firstly matching the common parameter templates according to the key information acquired by the information acquisition module, and if the common parameter templates cannot be matched, the common parameter templates are used for matching.
Preferably:
The parameter deployment unit replaces parameter information in the virtual resource instantiation information into the parameter template according to the parameter template matched by the template matching module, converts the parameter information of the virtual resource needing to be operated, and logically processes the parameter according to the parameter processing logic configured by the template rendering logic configuration unit to obtain a corresponding parameter.
The invention defines a parameter template, defines the information of each parameter in the VNFD standard version and the resource version and the processing logic of each parameter, obtains the key information in the virtual resource instantiation information, namely the version and the parameter information from different data sources respectively, and finally applies the version and the parameter information to the corresponding parameter template to carry out automatic parameter deployment through the preset parameter processing logic. The invention completes the adaptation of the specification version, the manufacturer version and the VIM version through a series of operations, so when the VNFD specification version changes and a new VIM is introduced, the invention has no influence on the main program, can rapidly and flexibly adapt the VIM of different manufacturers, is convenient for newly adding and modifying the distribution configuration parameters, greatly improves the efficiency and saves the cost.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flow chart of a method for automatically deploying parameters according to a first embodiment of the present application;
FIG. 2 is a schematic flow chart of a method according to a second embodiment of the present application;
FIG. 3 is a schematic flow chart of a method according to a third embodiment of the present application;
fig. 4 is a schematic structural diagram of an automatic parameter deployment device according to a fourth embodiment of the present application;
fig. 5 is a schematic structural diagram of a fifth embodiment of the present application.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without any inventive effort, are intended to be within the scope of the invention.
In the process of creating virtualized resources, after a series of preparation activities, the VNFM receives an instantiation request issued from an NFVO (network function virtualization coordinator), and the parameters mainly include a VNFD ID and an input parameter list. The VNFM reads the VNFD detailed information from the database according to the VNFD ID, and generates objects of various virtual resources after analyzing the VNFD detailed information; the VNFM then analyzes from the attributes of these objects the specific parameters, including URL and request body, that are issued to VIM (virtualized facilities manager). The VNFM calls the API of the VIM to build virtual resources, such as virtual machines (virtual machines), virtual networks, storage volumes, etc., contained by the VNF one by one.
In the above process, the version difference of VNFD and the version difference of the docked VIM will affect the creation of virtual resources, and it is necessary to ensure that these different parameters can be identified and used in each step.
Referring to fig. 1, fig. 1 is a schematic flow chart of a parameter automatic deployment method according to an embodiment of the present application, where the method includes:
Step S101: and defining a parameter template in advance according to the manufacturer information, wherein the parameter template comprises attribute information of virtual resources of different versions, parameter information of virtual resources to be operated and parameter processing logic.
The parameter template is defined according to the information of the manufacturer and mainly comprises the attribute of the virtual resource and the parameter processing logic.
The parameter processing logic may be condition judgment, loop even inheritance, macro, etc.
The virtual resource may be a virtual network element, a virtual machine, a virtual storage, a virtual network, etc., and each type of virtual resource may have different attributes, so that the parameter template may be configured according to the attributes of different virtual resources of different manufacturers.
The parameter templates may be saved in a json type file.
Step S102: and acquiring key information in the virtual resource instantiation information, and matching the parameter templates according to the key information.
By matching the key information in the virtual resource instantiation information with the parameter template, the parameter templates corresponding to the virtual resource instantiation information of different versions can be obtained, so that the operation methods and the processing logic of each parameter recorded in the parameter templates are obtained.
The key information can be stored in the parameter template independently or in the parameter template, or the key information can be named as the parameter template directly. Regardless of the location and form of storage of the critical information.
Step S103: and performing template rendering according to the information recorded in the matched parameter template and the virtual resource instantiation information to obtain corresponding parameters.
The invention can realize flexible deployment of different version parameters, can adapt the multiple versions of the VNFD specification and the multiple VIM versions, automatically generate parameters according to the adaptation result, improve the efficiency and save the cost.
Further, in order to better describe the parameter automatic deployment method of the present invention, a second embodiment of the present invention is shown in fig. 2.
Step S201: parameter templates are defined in advance according to manufacturer information.
The parameter template comprises attribute information of virtual resources of different versions, parameter information of virtual resources needing to be operated and parameter processing logic.
The attribute information of the virtual resource comprises basic attributes and association relations of the virtual resource. The basic attribute may be a name, a type, a storage mode, etc. describing the attribute of the virtual resource, and the association relationship may be an association relationship between virtual resources, an association relationship between parameters, a logic judgment relationship, a condition judgment relationship, etc.
The parameter processing logic comprises logic judgment, loop execution, inheritance and macro processing for the parameters.
The parameter templates include a common parameter template and a common parameter template.
For example, a template of the newly created virtual machine specification is named
flavor_create_v1_0_BOVO_v2_1.json，
The parameter template name contains a plurality of key information, namely version information, and the file content is as follows:
Step S202: and configuring template rendering logic for the parameter template.
The template rendering logic includes paths of the parameter templates and execution functions and execution parameters.
The purpose of the template rendering logic is to enable the execution unit to automatically acquire the parameter template according to the parameter template path saved by the rendering logic, and call the corresponding execution function and the execution parameter to automatically execute the parameter template rendering, so that the efficiency can be further improved.
Step S203: and acquiring key information in the virtual resource instantiation information, wherein the key information comprises VNFD version information, VIM manufacturer version information and service sub-version information corresponding to the virtual resource.
The virtual resource instantiation information comprises a VNFD file, VIM information of the NFVO and a manufacturer service list.
The key information comprises VNFD version information, VIM manufacturer version information and service sub-version information corresponding to the virtual resource.
Usually, the parameter templates can be named by using the set of the version information, and then the parameter templates corresponding to the parameter template names can be obtained by using the version information to match the parameter template names; the version information can also be written into the parameter template, and the corresponding parameter template can be obtained directly by matching the version information in the parameter template; the corresponding relation between the parameter template name and version information can also be made, and the parameter template is matched through the relation. In summary, there are a plurality of methods for obtaining parameter templates by key information, and the methods are not limited to those mentioned in the present invention
Step S204: and matching the common templates according to the key information.
The common template describes parameter templates of different kinds of virtual resources, representing individuation virtual resource attributes.
Step S205: whether the matching is successful is determined, and if not, the process proceeds to step S206, and if so, the process proceeds to step S207.
Step S206: the general template is matched according to the key information, and the process advances to step S207.
The universal template describes universal virtual resource attributes, and represents the universal virtual resource attributes, so that the universal template can be used for matching under the condition that the common template cannot be found.
Step S207: and replacing the parameter information in the virtual resource instantiation information into the matched parameter template according to the matched parameter template, and converting the parameter information of the virtual resource needing to be operated.
And replacing the information in the VNFD into the parameter template according to the description of the parameter template, and finally obtaining the rendered parameter template, namely obtaining the corresponding parameter.
Step S208: and carrying out logic processing on the parameters according to the parameter processing logic to obtain corresponding parameters.
The parameters obtained after rendering the parameter templates through the above steps are as follows:
in order to better illustrate the present invention, a third embodiment is given below in conjunction with an example, as shown in fig. 3.
Step S301: parameter templates are defined, including common parameter templates and common parameter templates.
The parameter template file may contain logic codes, such as condition judgment, circulation, even inheritance, macros, etc., so that the differentiated parameter processing logic is independent of the core code of the VNFM, and the influence of each VNFD specification change or the introduction of different VIM versions on the main program is avoided.
Step S302: and acquiring version information of the VNFD specification file.
And obtaining the VNFD specification version number from the parsed Tosca Template object.
Step S303: and obtaining VIM manufacturer and version information.
And obtaining VIM manufacturer and version information from VIM information returned by the NFVO.
Step S304: and obtaining service sub-version information of the vendor specific resource.
Endpoints of requesting VIM to obtain sub-version information of service corresponding to specific resource.
Step S305: judging whether to acquire the corresponding common parameter templates according to the version information of the VNFD specification file, VIM manufacturer and version information and service sub-version information of the manufacturer, if not, entering step 306, and if so, entering step 307.
Step S306: and obtaining a general parameter template.
Step S307: and generating configuration parameters according to the obtained parameter templates by the pre-configured parameter template processing logic.
Rendering the obtained common parameter Template by using data in the Tosca Template object to generate specific configuration parameters.
The template rendering logic can be implemented through the capability of the template engine to render the parameter template, and the template rendering logic comprises a path of the parameter template, an execution function and an execution parameter as follows:
as indicated above: the FileSystemLoader class loads all configuration template files under a specified path from a local file system, searches the template file of the corresponding version by get_template, and uses a default template if the template file is not found. Finally, rendering the render function to generate configuration parameters, wherein the parameters of the function are nfv _computer attributes in ToscaTemplate objects.
The finally obtained parameter pattern is as described above.
Step S308: the parameters are issued to the corresponding VIMs.
The fourth embodiment of the invention also discloses a parameter automatic deployment device, as shown in fig. 4.
And the parameter template definition unit 1 is used for defining a parameter template in advance according to the manufacturer information, wherein the parameter template comprises attribute information of virtual resources of different versions, parameter information required to be operated by the virtual resources and parameter processing logic.
The parameter templates defined by the parameter template definition unit comprise common parameter templates and common parameter templates.
The attribute information of the virtual resource comprises basic attributes and association relations of the virtual resource.
The parameter processing logic comprises logic judgment, loop execution, inheritance and macro processing for the parameters.
And the parameter template matching unit 2 is used for acquiring key information in the virtual resource instantiation information and matching the parameter template defined by the parameter template definition unit according to the key information.
And if the parameter template matching unit can not match the common parameter template according to the key information, the common parameter template is used for matching.
And the parameter deployment unit 3 is used for carrying out template rendering on the virtual resource instantiation information according to the information recorded in the matched parameter template to obtain corresponding parameters.
To better improve the efficiency, the rendering of the parameter template can be automatically performed, giving the invention
Fifth embodiment, as shown in fig. 5:
And the parameter template definition unit 1 is used for defining a parameter template in advance according to the manufacturer information, wherein the parameter template comprises attribute information of virtual resources of different versions, parameter information required to be operated by the virtual resources and parameter processing logic.
The parameter template matching unit 2 further includes:
An information acquisition module 21, configured to acquire key information in the virtual resource instantiation information; the virtual resource instantiation information comprises a VNFD file, VIM information of the NFVO and a manufacturer service list; the key information comprises VNFD version information, VIM manufacturer version information and service sub-version information corresponding to the virtual resource.
The template matching module 22 is configured to first match the common parameter template according to the key information acquired by the information acquisition module, and if the common parameter template cannot be matched, match the common parameter template.
And the parameter deployment unit 3 is used for carrying out template rendering on the virtual resource instantiation information according to the information recorded in the matched parameter template to obtain corresponding parameters.
The parameter deployment unit replaces parameter information in the virtual resource instantiation information into the parameter template according to the parameter template matched by the template matching module, converts the parameter information of the virtual resource needing to be operated, and logically processes the parameter according to the parameter processing logic configured by the template rendering logic configuration unit to obtain a corresponding parameter.
The template rendering logic configuration unit 4 is used for configuring the template rendering logic and performing template rendering on all parameter templates according to the template rendering logic.
The template rendering logic includes paths of the parameter templates and execution functions and execution parameters.
It will be clear to those skilled in the art that, for convenience and brevity of description, the working principle of each unit module of the above-described system may refer to the specific corresponding working process of the foregoing method, which is not described herein again.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A method for automatically deploying parameters, the method comprising:
Defining a parameter template in advance according to manufacturer information, wherein the parameter template comprises attribute information of virtual resources of different versions, parameter information of the virtual resources to be operated and parameter processing logic; the attribute information of the virtual resource comprises basic attributes and association relations of the virtual resource; the parameter processing logic comprises logic judgment, cyclic execution, inheritance and macro processing of the parameters;
Acquiring key information in the virtual resource instantiation information, and matching the parameter template according to the key information; the virtual resource instantiation information comprises a VNFD file, VIM information of the NFVO and a manufacturer service list; the key information comprises VNFD version information, VIM manufacturer version information and service sub-version information corresponding to virtual resources;
Performing template rendering according to the information recorded in the matched parameter template and the virtual resource instantiation information to obtain corresponding parameters; the method comprises the following steps: and replacing the parameter information in the virtual resource instantiation information into the matched parameter template according to the matched parameter template, converting the parameter information of the virtual resource needing to be operated, and carrying out logic processing on the parameter according to the parameter processing logic to obtain the corresponding parameter.
2. The method according to claim 1, wherein the method further comprises:
the parameter templates comprise a common parameter template and a common parameter template;
and if the common parameter templates cannot be matched according to the key information, matching by using the common parameter templates.
3. The method according to claim 2, wherein the method further comprises:
configuring template rendering logic, and performing template rendering on all parameter templates according to the template rendering logic;
The template rendering logic includes paths of the parameter templates and execution functions and execution parameters.
4. A parametric auto-deployment apparatus, the apparatus comprising:
The parameter template definition unit is used for defining a parameter template in advance according to the manufacturer information, wherein the parameter template comprises attribute information of virtual resources of different versions, parameter information of the virtual resources required to be operated and parameter processing logic; the attribute information of the virtual resource comprises basic attributes and association relations of the virtual resource; the parameter processing logic comprises logic judgment, cyclic execution, inheritance and macro processing of the parameters;
The parameter template matching unit is used for acquiring key information in the virtual resource instantiation information and matching the parameter template defined by the parameter template definition unit according to the key information; the virtual resource instantiation information comprises a VNFD file, VIM information of the NFVO and a manufacturer service list; the key information comprises VNFD version information, VIM manufacturer version information and service sub-version information corresponding to virtual resources;
The parameter deployment unit is used for carrying out template rendering on the virtual resource instantiation information according to the information recorded in the matched parameter template to obtain corresponding parameters; the method comprises the following steps: the parameter deployment unit replaces the parameter information in the virtual resource instantiation information into the parameter template according to the parameter template matched by the template matching module, converts the parameter information of the virtual resource needing to be operated, and logically processes the parameter according to the parameter processing logic configured by the template rendering logic configuration unit to obtain the corresponding parameter.
5. The apparatus according to claim 4, wherein:
the parameter templates defined by the parameter template definition unit comprise common parameter templates and common parameter templates;
and if the parameter template matching unit can not match the common parameter template according to the key information, the common parameter template is used for matching.
6. The apparatus of claim 5, wherein the apparatus further comprises:
the template rendering logic configuration unit is used for configuring template rendering logic and performing template rendering on all parameter templates according to the template rendering logic;
The template rendering logic includes paths of the parameter templates and execution functions and execution parameters.
7. The apparatus according to any one of claims 5-6, wherein the parameter template matching unit further comprises:
The information acquisition module is used for acquiring key information in the virtual resource instantiation information;
and the template matching module is used for firstly matching the common parameter templates according to the key information acquired by the information acquisition module, and if the common parameter templates cannot be matched, the common parameter templates are used for matching.
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