CN111209078A - Method and system for automatically deploying and detecting Web application of virtual machine - Google Patents
Method and system for automatically deploying and detecting Web application of virtual machine Download PDFInfo
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- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- 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
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
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- G06F8/60—Software deployment
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- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- 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
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45562—Creating, deleting, cloning virtual machine instances
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- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- 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
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45575—Starting, stopping, suspending or resuming virtual machine instances
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Abstract
The invention discloses a method and a system for automatically deploying and detecting Web application of a virtual machine, wherein the method comprises the following steps: the cloud management platform is connected with a TCP Socket resident program of the host machine and sends a call request command to the TCP Socket resident program; downloading a software package from a software package warehouse of the cloud management platform to a host machine by a TCP Socket resident program; then copying the software package to a storage disk of the virtual machine by the TCP Socket resident program; the TCPSocket resident program configures the Cloud-Init program of the host and writes a Web service deployment command; starting the virtual machine by a TCP Socket resident program; and the Cloud-Init program of the host machine executes a Web service deployment command, deploys the software package on the storage disk and generates Web application of the virtual machine. The invention improves the deployment efficiency of the user on the cloud host and improves the user experience of the cloud management platform.
Description
Technical Field
The invention relates to the technical field of virtual machines, in particular to a method and a system for automatically deploying and detecting Web application of a virtual machine based on a cloud management platform.
Background
KVM (all Kernel-based Virtual Machine) is an open-source Linux-native full virtualization solution based on the X86 hardware of virtualization extensions (Intel VT or AMD-V). In KVM, the virtual machine is implemented as a conventional Linux process, scheduled by a standard Linux scheduler; each virtual CPU of a virtual machine is implemented as a conventional Linux thread, which enables KVM to use existing functionality of the Linux kernel.
Guestfish is a sharer for KVM virtual machine image management, and provides a series of tools for image management and also provides external API.
Socket is also called Socket, and a set of programming interfaces (APIs) intervenes between the transport layer and the application layer, and provides a uniform programming interface to the application layer.
QemuGuestAgent, qga for short, is a common application program (executable file name is qemu-ga by default, service name is qemu-gust-agent by default) running inside a virtual machine, and aims to realize a mode of interaction between a host and the virtual machine, which does not depend on a network, but depends on virtio-serial (default preferred mode) or isa-serial.
The Cloud-Init is an open source tool, runs in a non-resident service in the virtual machine, is executed when starting up, immediately exits after execution, and does not monitor any port. The Cloud-Init service is mainly used for implementing initialization operations of the virtual machine (for example, configuration of information such as DNS, Hostname, IP and the like), and executing a custom script that a user specifies to be executed when the virtual machine is created and the first boot is started.
Most users on the cloud platform need to deploy their own Web applications to the virtual machine, and for how to deploy the Web applications to the virtual machine, the common practice at present is to manually deploy the Web applications by entering the virtual machine. This manual deployment is not only cumbersome but also prone to operator error, but also takes a lot of time when the user needs to deploy a large number of virtual machines.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method and a system for automatically deploying and detecting a Web application of a virtual machine, which can enable a user to perform any operation without manually entering the virtual machine, are simple, efficient and short in time consumption, and can be used by all operating systems of a KVM virtualization platform; the invention improves the deployment efficiency of the user on the cloud host and improves the user experience of the cloud management platform.
In order to solve the technical problems, the invention provides the following technical scheme: a method for automatically deploying and detecting a Web application of a virtual machine comprises the following steps:
s1, connecting the cloud management platform with a TCP Socket resident program of the host machine, and sending a call request command to the TCP Socket resident program;
s2, downloading the software package from the software package warehouse of the cloud management platform to the host by the TCP Socket resident program; then copying the software package to a storage disk of the virtual machine by the TCP Socket resident program; the TCP Socket resident program configures the Cloud-Init program of the host machine and writes a Web service deployment command;
s3, starting the virtual machine by the TCP Socket resident program; the Cloud-Init program of the host machine executes a Web service deployment command, deploys the software package on the storage disk to generate Web application of the virtual machine, and monitors a specified virtual machine socket port and generates a socket monitoring file after the Web application is started.
Further, step S0 is included before step S1, the user uploads the software package to a software package warehouse of the cloud management platform, the cloud management platform creates a virtual machine for the host, and the virtual machine deploys the Web service.
Further, step S3 is followed by step S4, where the TCP Socket resident program connects to an unixsocket file of the host, and sends a detection command to the unixsocket file; the unix socket file controls a qemu guest agent application program of the virtual machine to read a socket monitoring file of the virtual machine;
the qemu guest agent application program reads and decodes the content of the socket monitoring file, then detects whether a socket address monitored by the Web service exists, if so, judges that the Web service deployment of the virtual machine is finished and generates a detection result, otherwise, generates a detection result for the failure of the deployment.
Further, step S5 is further included after step S4, and the qemu guest agent application feeds back the detection result to the unix socket file; and the TCP Socket resident program acquires the detection result of the unix Socket file and sends the detection result to the cloud management platform.
The invention also aims to provide a system for automatically deploying and detecting the Web application of the virtual machine, which comprises a Cloud management platform and a host machine, wherein the Cloud management platform comprises a TCP Socket client and a software package warehouse, and the host machine comprises the virtual machine, a TCP Socket resident program module, a Cloud-Init program module and an unix Socket file module; the virtual machine comprises a qemu guest agent application program module and a socket monitoring file module;
the cloud management platform is used for creating a virtual machine for the host machine;
the software package warehouse is used for storing software packages uploaded by users;
the TCP Socket client is used for connecting and receiving information of the TCP Socket resident program module, and forwarding a call request command of the cloud management platform to the TCP Socket resident program module;
the TCP Socket resident program module is used for downloading the software package of the software package warehouse to a host machine and starting the virtual machine; the TCP Socket resident program module is also used for configuring the Cloud-Init program module and writing a Web service deployment command;
the Cloud-Init program module is used for executing a Web service deployment command and deploying a software package on a storage disk to generate Web application of a virtual machine;
the TCP Socket resident program module is also used for connecting the unix Socket file module and sending a detection command to the unix Socket file module;
the unix socket file module is used for controlling the qemu guest agent application program module to read the socket monitoring file module;
the socket monitoring file module is used for generating a socket monitoring file of a socket port of the Web application monitoring virtual machine;
the qemu guest agent application program module is used for reading and decoding the contents of the socket monitoring file module, then detecting whether a socket address monitored by the Web service exists, if so, judging that the Web service deployment of the virtual machine is finished and generating a detection result, otherwise, judging that the deployment is failed and generating a detection result;
the qemu guest agent application program module is also used for feeding back a detection result to the unixsocket file module;
the TCP Socket resident program is also used for obtaining a detection result of the unix Socket file module and sending the detection result to the TCP Socket client, and finally the cloud management platform is used for obtaining the detection result and feeding the detection result back to the user.
After the technical scheme is adopted, the invention at least has the following beneficial effects: according to the invention, a user of the cloud management platform can automatically deploy Web application without manually entering the virtual machine to perform any operation, the deployment reliability is ensured, the operation is simple, efficient and short in time, and all operating systems of the KVM virtualization platform can be used; the method and the system realize the automatic deployment of the Web application by the cloud management platform, ensure the reliability of the deployment, improve the deployment efficiency of the cloud host by the user, improve the user experience of the cloud management platform, and provide a mode of automatic deployment, detection and guarantee for the application-oriented delivery mode of the cloud management platform.
Drawings
FIG. 1 is a flowchart of the method steps for automatically deploying and detecting a virtual machine Web application in accordance with the present invention;
FIG. 2 is a system framework diagram for automatically deploying and detecting a Web application of a virtual machine according to the present invention.
Detailed Description
It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict, and the present application is further described in detail with reference to the drawings and specific embodiments.
According to the method, a software package is copied into a mirror image of a Linux virtual machine by using a KVM mirror image management tool, the Userdata configured with cloudinit metadata is used for controlling the virtual machine to install software and start Web service when the Linux virtual machine is started for the first time, and finally Socket monitoring is detected in a mode of directly checking internal files of the Linux virtual machine, so that the Web service of the virtual machine is detected on the operating system level, the cloud management platform automatically deploys Web application and ensures the reliability of deployment, the user experience of the cloud management platform is improved, and a mode of automatic deployment and detection guarantee is provided for the cloud management platform to realize an application-oriented delivery mode.
Example 1
As shown in fig. 1, the present embodiment provides a method for automatically deploying and detecting a virtual machine Web application based on a cloud management platform, which includes the following steps:
s10, uploading a software package required by the Web application to a software package warehouse of a cloud management platform by a user, creating a virtual machine for a host by the cloud management platform, and filling the Web service required to be deployed by the virtual machine;
s11, connecting the cloud management platform with a TCP Socket resident program of the host machine, and sending a call request command to the TCP Socket resident program; the calling request command is to initiate a TCP Socket resident program to start a deployment process of the Web application;
s12, downloading the software package from the software package warehouse of the cloud management platform to the local software catalog of the host machine by the TCP Socket resident program by using wget; then the TCP Socket resident program uses the command/usr/local/libgusstfs/run virt-copy-in/software/and copies the software package to the storage disk (system disk) of the virtual machine;
the TCP Socket resident program configures the Cloud-Init program of the host machine and writes a Web service deployment command; the TCP Socket resident program writes a command for deploying the Web service to userdata of the Cloud-Init program and mounts the Cloud-Init program to the virtual machine;
s13, starting the virtual machine by the TCP Socket resident program; starting and executing a Web service deployment command configured on userdata by a Cloud-Init program of a host along with starting, and deploying a software package on a storage disk to generate Web application of a virtual machine; after deployment is completed, the Web application needs to be started and run, and then the Web application monitors a certain specified virtual machine socket port and generates a socket monitoring file for monitoring contents of the socket monitoring file;
s14, connecting the TCP Socket resident program with a unix Socket file of the host machine, and sending a detection command to the unix Socket file; the unix socket file controls a qemu guest agent application program of the virtual machine to read a socket monitoring file of the virtual machine; wherein, the unix socket file is org.qemu.guest _ agent.0;
the qemu guest agent application program reads and decodes the content of the socket monitoring file, then detects whether a socket address monitored by the Web service exists, if so, judges that the Web service deployment of the virtual machine is finished and generates a detection result, otherwise, generates a detection result for the failure of the deployment;
s15, feeding back the detection result to the unix socket file by the qemu guest agent application program; the TCPSocket resident program obtains the detection result of the unix socket file and sends the detection result to the cloud management platform.
Example 2
The embodiment discloses a system for automatically deploying and detecting a Web application of a virtual machine on the basis of the method of the embodiment 1, and as shown in fig. 2, the system comprises a Cloud management platform and a host, wherein the Cloud management platform comprises a TCP Socket client and a software package warehouse, and the host comprises the virtual machine, a TCP Socket resident program module, a Cloud-Init program module and an unix Socket file module; the virtual machine comprises a qemu guest agent application program module and a socket monitoring file module;
the cloud management platform is used for creating a virtual machine for the host machine;
the software package warehouse is used for storing software packages uploaded by users;
the TCP Socket client is used for connecting and receiving information of the TCP Socket resident program module, and forwarding a call request command of the cloud management platform to the TCP Socket resident program module;
the TCP Socket resident program module is used for downloading the software package of the software package warehouse to a host machine and starting the virtual machine; the TCP Socket resident program module is also used for configuring the Cloud-Init program module and writing a Web service deployment command;
the Cloud-Init program module is used for executing a Web service deployment command and deploying a software package on a storage disk to generate Web application of a virtual machine;
the TCP Socket resident program module is also used for connecting the unix Socket file module and sending a detection command to the unix Socket file module;
the unix socket file module is used for controlling the qemu guest agent application program module to read the socket monitoring file module;
the socket monitoring file module is used for generating a socket monitoring file of a socket port of the Web application monitoring virtual machine;
the qemu guest agent application program module is used for reading and decoding the contents of the socket monitoring file module, then detecting whether a socket address monitored by the Web service exists, if so, judging that the Web service deployment of the virtual machine is finished and generating a detection result, otherwise, judging that the deployment is failed and generating a detection result;
the qemu guest agent application program module is also used for feeding back a detection result to the unix socket file module;
the TCP Socket resident program is also used for obtaining a detection result of the unix Socket file module and sending the detection result to the TCP Socket client, and finally the cloud management platform is used for obtaining the detection result and feeding the detection result back to the user.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various equivalent changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (5)
1. A method for automatically deploying and detecting Web application of a virtual machine is characterized by comprising the following steps:
s1, connecting the cloud management platform with a TCP Socket resident program of the host machine, and sending a call request command to the TCP Socket resident program;
s2, downloading the software package from the software package warehouse of the cloud management platform to the host by the TCP Socket resident program; then the TCPSocket resident program copies the software package to a storage disk of the virtual machine; the TCP Socket resident program configures the Cloud-Init program of the host machine and writes a Web service deployment command;
s3, starting the virtual machine by the TCP Socket resident program; the Cloud-Init program of the host machine executes a Web service deployment command, deploys the software package on the storage disk to generate Web application of the virtual machine, and monitors a specified virtual machine socket port and generates a socket monitoring file after the Web application is started.
2. The method of claim 1, wherein the step S1 is preceded by the step S0 of uploading the software package to a software package repository of a cloud management platform, the cloud management platform creating a virtual machine for a host, and the virtual machine deploying the Web service.
3. The method for automatically deploying and detecting the Web application of the virtual machine according to claim 1, wherein the step S3 is followed by a step S4 in which a TCP Socket resident program is connected to an unix Socket file of a host computer and sends a detection command to the unix Socket file; the unix socket file controls a qemu guest agent application program of the virtual machine to read a socket monitoring file of the virtual machine;
the qemu guest agent application program reads and decodes the content of the socket monitoring file, then detects whether a socket address monitored by the Web service exists, if so, judges that the Web service deployment of the virtual machine is finished and generates a detection result, otherwise, generates a detection result for the failure of the deployment.
4. The method for automatically deploying and detecting the Web application of the virtual machine according to claim 3, wherein the step S4 is followed by a step S5 in which the qemu guest agent application feeds back the detection result to the unix socket file; and the TCP Socket resident program acquires the detection result of the unix Socket file and sends the detection result to the cloud management platform.
5. A system for automatically deploying and detecting Web application of a virtual machine comprises a Cloud management platform and a host machine, and is characterized in that the Cloud management platform comprises a TCP Socket client and a software package warehouse, and the host machine comprises the virtual machine, a TCPSocket resident program module, a Cloud-Init program module and an unix Socket file module; the virtual machine comprises a qemu guest agent application program module and a socket monitoring file module;
the cloud management platform is used for creating a virtual machine for the host machine;
the software package warehouse is used for storing software packages uploaded by users;
the TCP Socket client is used for connecting and receiving information of the TCP Socket resident program module, and forwarding a call request command of the cloud management platform to the TCP Socket resident program module;
the TCP Socket resident program module is used for downloading the software package of the software package warehouse to a host machine and starting the virtual machine; the TCP Socket resident program module is also used for configuring the Cloud-Init program module and writing a Web service deployment command;
the Cloud-Init program module is used for executing a Web service deployment command and deploying a software package on a storage disk to generate Web application of a virtual machine;
the TCP Socket resident program module is also used for connecting the unix Socket file module and sending a detection command to the unix Socket file module;
the unix socket file module is used for controlling the qemu guest agent application program module to read the socket monitoring file module;
the socket monitoring file module is used for generating a socket monitoring file of a socket port of the Web application monitoring virtual machine;
the qemu guest agent application program module is used for reading and decoding the contents of the socket monitoring file module, then detecting whether a socket address monitored by the Web service exists, if so, judging that the Web service deployment of the virtual machine is finished and generating a detection result, otherwise, judging that the deployment is failed and generating a detection result;
the qemu guest agent application program module is also used for feeding back a detection result to the unix socket file module;
the TCP Socket resident program is also used for obtaining a detection result of the unix Socket file module and sending the detection result to the TCPSocket client, and finally the cloud management platform is used for obtaining the detection result and feeding the detection result back to the user.
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