CN112667363A - Method and device for simulating cloud physical host by using virtual machine based on cloud platform - Google Patents
Method and device for simulating cloud physical host by using virtual machine based on cloud platform Download PDFInfo
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Abstract
The invention particularly relates to a method and a device for simulating a cloud physical host by a virtual machine based on a cloud platform. The method and the device for simulating the cloud physical host by the virtual machine based on the cloud platform firstly create the virtual machine and build a simulated physical machine environment; and then, requesting to create a cloud physical host instance, and finally deploying the instance. The method and the device for simulating the cloud physical host by the virtual machine based on the cloud platform not only support the basic functions of the cloud physical host, but also support the combined use with other cloud products, thereby saving physical host resources, reducing the dependence on hardware equipment during research and development testing, improving the utilization rate of the physical host resources in the research and development testing link, and reducing the operation and maintenance cost.
Description
Technical Field
The invention relates to the technical field of cloud computing, in particular to a method and a device for simulating a cloud physical host by a virtual machine based on a cloud platform.
Background
In recent years, with the rapid development of cloud computing technology and cloud service markets, virtualization technology is more and more widely applied, and the virtualization technology can help enterprises fully mine hardware resources such as servers. However, there are still write scenarios that require physical servers, such as high performance computing clusters, and cloud physical hosts are required in scenarios such as tenants with special requirements for performance, security, and isolation. The cloud physical host provides a high-performance and safe-isolation physical host for the tenant by adopting a high-performance hardware facility and an I/O device, and can meet the application scene of the tenant on the requirements of high performance and stability. However, in the current daily research and development test process of the cloud physical host, research and development personnel need to occupy a large number of physical hosts, so that the resource utilization rate of the physical hosts is not high.
Based on the above situation, the invention provides a method and a device for simulating a cloud physical host by a virtual machine based on a cloud platform.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a simple and efficient method and device for simulating a cloud physical host by a virtual machine based on a cloud platform.
The invention is realized by the following technical scheme:
a method for simulating a cloud physical host by a virtual machine based on a cloud platform is characterized by comprising the following steps: the method comprises the following steps:
firstly, creating a virtual machine and building a simulated physical machine environment
Calling Libvirt API to create a virtual machine, starting the virtual machine after creation is completed, adding vbmc (a Baseboard management Controller, BMC for short) for the virtual machine by using a virtualbmc component, and starting the vbmc of the virtual machine to enable the vbmc to be in a running state;
creating a cloud physical host node and a port for the virtual machine, and converting the state of the cloud physical host node into an available state, so that the cloud physical host node can be scheduled at any time;
second, request to create cloud physical host instance
A user uses the front end of the cloud physical host, selects required specifications (CPU, memory and hard disk size), network, RAID (Redundant Arrays of Independent Disks) information, user name and password, and initiates a request to create a cloud physical host instance;
the request is processed by the control node and is scheduled to a cloud physical host node created for the virtual machine;
third step, instance deployment
The control node prepares a deployment mirror image and a user mirror image, and the network module switches the cloud physical host node network to a deployment network; the cloud physical host node is started for the first time, a deployment mirror image is installed and a node disk is exposed, a control node writes a user mirror image into the disk and sets the user mirror image to be started from the disk, and after a network module is switched to a tenant network, the power is turned on to complete deployment.
In the first step, a processing flow for creating a cloud physical host node by using a virtual machine is as follows:
(1) selecting a computing node, calling libvirt API to create a virtual machine, and recording the MAC (Media Access Control) address, the CPU, the memory and the disk capacity of a virtual machine network card;
(2) adding vbmc to the virtual machine by using a virtualbmc component, so as to add an IPMI (Intelligent Platform Management Interface) function to the virtual machine; appointing an IPMI address, a port number, a user name and a password, and starting the vbmc of the virtual machine;
(3) the method comprises the steps that cloud physical host nodes are created for virtual machines by specifying MAC addresses, CPUs (central processing units), memories, disk capacities, IPMI (intelligent platform management interface) related information and corresponding resource types of network cards of the virtual machines;
(4) appointing a network card MAC address of a virtual machine and actual switch connection information connected with a physical host where the virtual machine is located, and creating a cloud physical host port for the virtual machine;
(5) and setting the cloud physical host node to an availabile state, and waiting for the creation and scheduling of the subsequent instances.
In the first step, the virtual machine has at least one network card, and the virtual machine is connected to the switch by the network bridge and the network card of the node.
In the first step, the virtual machine is at least ensured to be above a 4-core CPU and 8G memory so as to ensure that an agent (agent) can be normally executed in the subsequent deployment process; the CPU, the memory, the disk size of the virtual machine need to be recorded, and the switch connection information needs to be read based on LLDP (Link Layer Discovery Protocol).
In the first step, when adding vbmc to the virtual machine, an IPMI address, a port number, a user name and a password need to be assigned to the virtual machine, and the IPMI address is an IP address of a physical machine where the virtual machine is located.
And in the second step, in the process of creating the instance scheduling, resource types corresponding to the physical host models selected by the user are used for scheduling the cloud physical host nodes.
In the second step, the Network support VLAN (Virtual Local Area Network) and VXLAN (Virtual Extensible Local Area Network) types selected by the instance are created.
In the third step, the deployment processing flow of the cloud physical host instance is as follows:
(1) the control node prepares to deploy the mirror image and the user mirror image to a TFTP (simple File Transfer Protocol) server, calls a network module to prepare network resources, and then sets a switch port connected with the cloud physical host node as a deployment network by the network module;
(2) setting a cloud physical host node as PXE (Preboot execution Environment) starting; after acquiring a deployment network IP (Internet Protocol) through a Dynamic Host Configuration Protocol (DHCP), a cloud physical Host node is connected to a TFTP (virtual memory disk) server to download and deploy ramdisk and kernel;
(3) after starting, running the agent in the ramdisk, executing hardware inspection, interacting with the control node, and exposing the cloud physical host node disk through iSCSI (Internet Small Computer System Interface);
(4) and the control node mounts the iSCSI disk and writes the user mirror image into the disk, shuts down the cloud physical host node, calls a network module to switch the network into a tenant network, and restarts the power after the starting item is changed into a hard disk starting item until the instance creation is completed.
The invention relates to a system for simulating a cloud physical host by a virtual machine based on a cloud platform, which comprises the following steps:
a virtual machine module: the virtual machine is used for simulating a physical machine, and the vbmc is required to be used for adding an IPMI function to the virtual machine;
the control node: the system is used for controlling the life cycle management of the cloud physical host nodes and the instances, providing mirror images required by the cloud physical host and interaction with the database;
a network module: the system is responsible for the configuration and switching of the network;
a database module: the system is responsible for maintaining relevant information of the cloud physical host node, the instance and the interface;
a front-end module: the cloud physical host instance management system is responsible for providing the user with the functions of initiating the life cycle management request of the cloud physical host instance and remotely logging in.
The invention has the beneficial effects that: the method and the device for simulating the cloud physical host by the virtual machine based on the cloud platform not only support the basic functions of the cloud physical host, but also support the combined use with other cloud products, thereby saving physical host resources, reducing the dependence on hardware equipment during research and development testing, improving the utilization rate of the physical host resources in the research and development testing link, and reducing the operation and maintenance cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a device architecture of a virtual machine simulating a cloud physical host based on a cloud platform according to the present invention.
FIG. 2 is a schematic view of a process flow of creating a cloud physical host node using a virtual machine according to the present invention.
Fig. 3 is a schematic diagram illustrating a flow of a cloud physical host instance deployment request according to the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the embodiment of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The method for simulating the cloud physical host by the virtual machine based on the cloud platform comprises the following steps:
firstly, creating a virtual machine and building a simulated physical machine environment
Calling Libvirt API to create a virtual machine, starting the virtual machine after the creation is completed, adding vbmc to the virtual machine by using a virtualbmc component, and starting the vbmc of the virtual machine to enable the vbmc to be in a running state;
creating a cloud physical host node and a port for the virtual machine, and converting the state of the cloud physical host node into an available state, so that the cloud physical host node can be scheduled at any time;
second, request to create cloud physical host instance
A user uses the front end of the cloud physical host, selects required specifications (CPU, memory and hard disk size), network, RAID (Redundant Arrays of Independent Disks) information, user name and password, and initiates a request to create a cloud physical host instance;
the request is processed by the control node and is scheduled to a cloud physical host node created for the virtual machine;
third step, instance deployment
The control node prepares a deployment mirror image and a user mirror image, and the network module switches the cloud physical host node network to a deployment network; the cloud physical host node is started for the first time, a deployment mirror image is installed and a node disk is exposed, a control node writes a user mirror image into the disk and sets the user mirror image to be started from the disk, and after a network module is switched to a tenant network, the power is turned on to complete deployment.
In the first step, a processing flow for creating a cloud physical host node by using a virtual machine is as follows:
(1) selecting a computing node, calling libvirt API to create a virtual machine, and recording the MAC (Media Access Control) address, the CPU, the memory and the disk capacity of a virtual machine network card;
(2) adding vbmc to the virtual machine by using a virtualbmc component, so as to add an IPMI (Intelligent Platform Management Interface) function to the virtual machine; appointing an IPMI address, a port number, a user name and a password, and starting the vbmc of the virtual machine;
(3) the method comprises the steps that cloud physical host nodes are created for virtual machines by specifying MAC addresses, CPUs (central processing units), memories, disk capacities, IPMI (intelligent platform management interface) related information and corresponding resource types of network cards of the virtual machines;
(4) appointing a network card MAC address of a virtual machine and actual switch connection information connected with a physical host where the virtual machine is located, and creating a cloud physical host port for the virtual machine;
(5) and setting the cloud physical host node to an availabile state, and waiting for the creation and scheduling of the subsequent instances.
In the first step, the virtual machine has at least one network card, and the virtual machine is connected to the switch by the network bridge and the network card of the node.
In the first step, the virtual machine is at least ensured to be above a 4-core CPU and 8G memory so as to ensure that an agent (agent) can be normally executed in the subsequent deployment process; the CPU, the memory, the disk size of the virtual machine need to be recorded, and the switch connection information needs to be read based on LLDP (Link Layer Discovery Protocol).
In the first step, when adding vbmc to the virtual machine, an IPMI address, a port number, a user name and a password need to be assigned to the virtual machine, and the IPMI address is an IP address of a physical machine where the virtual machine is located.
And in the second step, in the process of creating the instance scheduling, resource types corresponding to the physical host models selected by the user are used for scheduling the cloud physical host nodes.
In the second step, the Network support VLAN (Virtual Local Area Network) and VXLAN (Virtual Extensible Local Area Network) types selected by the instance are created.
In the third step, the deployment processing flow of the cloud physical host instance is as follows:
(1) the control node prepares to deploy the mirror image and the user mirror image to a TFTP (simple File Transfer Protocol) server, calls a network module to prepare network resources, and then sets a switch port connected with the cloud physical host node as a deployment network by the network module;
(2) setting a cloud physical host node as PXE (Preboot execution Environment) starting; after acquiring a deployment network IP (Internet Protocol) through a Dynamic Host Configuration Protocol (DHCP), a cloud physical Host node is connected to a TFTP (virtual memory disk) server to download and deploy ramdisk and kernel;
(3) after starting, running the agent in the ramdisk, executing hardware inspection, interacting with the control node, and exposing the cloud physical host node disk through iSCSI (Internet Small Computer System Interface);
(4) and the control node mounts the iSCSI disk and writes the user mirror image into the disk, shuts down the cloud physical host node, calls a network module to switch the network into a tenant network, and restarts the power after the starting item is changed into a hard disk starting item until the instance creation is completed.
The system for simulating the cloud physical host by the virtual machine based on the cloud platform comprises:
a virtual machine module: the virtual machine is used for simulating a physical machine, and the vbmc is required to be used for adding an IPMI function to the virtual machine;
the control node: the system is used for controlling the life cycle management of the cloud physical host nodes and the instances, providing mirror images required by the cloud physical host and interaction with the database;
a network module: the system is responsible for the configuration and switching of the network;
a database module: the system is responsible for maintaining relevant information of the cloud physical host node, the instance and the interface;
a front-end module: the cloud physical host instance management system is responsible for providing the user with the functions of initiating the life cycle management request of the cloud physical host instance and remotely logging in.
The above-described embodiment is only one specific embodiment of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (9)
1. A method for simulating a cloud physical host by a virtual machine based on a cloud platform is characterized by comprising the following steps: the method comprises the following steps:
firstly, creating a virtual machine and building a simulated physical machine environment
Calling Libvirt API to create a virtual machine, starting the virtual machine after the creation is completed, adding vbmc to the virtual machine by using a virtualbmc component, and starting the vbmc of the virtual machine to enable the vbmc to be in a running state;
creating a cloud physical host node and a port for the virtual machine, and converting the state of the cloud physical host node into an available state, so that the cloud physical host node can be scheduled at any time;
second, request to create cloud physical host instance
A user selects a required specification, a network, RAID information, a user name and a password by using the front end of the cloud physical host, and initiates a request to create a cloud physical host example;
the request is processed by the control node and is scheduled to a cloud physical host node created for the virtual machine;
third step, instance deployment
The control node prepares a deployment mirror image and a user mirror image, and the network module switches the cloud physical host node network to a deployment network; the cloud physical host node is started for the first time, a deployment mirror image is installed and a node disk is exposed, a control node writes a user mirror image into the disk and sets the user mirror image to be started from the disk, and after a network module is switched to a tenant network, the power is turned on to complete deployment.
2. The method for simulating a cloud physical host by a cloud platform-based virtual machine according to claim 1, wherein: in the first step, a processing flow for creating a cloud physical host node by using a virtual machine is as follows:
(1) selecting a computing node, calling libvirt API to create a virtual machine, and recording the MAC address of a network card of the virtual machine, the CPU, the memory and the disk capacity;
(2) adding vbmc to the virtual machine by using a virtualbmc component, so that an IPMI function is added to the virtual machine; appointing an IPMI address, a port number, a user name and a password, and starting the vbmc of the virtual machine;
(3) the method comprises the steps that cloud physical host nodes are created for virtual machines by specifying MAC addresses, CPUs (central processing units), memories, disk capacities, IPMI (intelligent platform management interface) related information and corresponding resource types of network cards of the virtual machines;
(4) appointing a network card MAC address of a virtual machine and actual switch connection information connected with a physical host where the virtual machine is located, and creating a cloud physical host port for the virtual machine;
(5) and setting the cloud physical host node to an availabile state, and waiting for the creation and scheduling of the subsequent instances.
3. The method for simulating a cloud physical host by a cloud platform-based virtual machine according to claim 2, wherein: in the first step, the virtual machine has at least one network card, and the virtual machine is connected to the switch by the network bridge and the network card of the node.
4. The method for simulating a cloud physical host by a cloud platform-based virtual machine according to claim 2, wherein: in the first step, the virtual machine is at least ensured to be above a memory of 4-core CPU and 8G, so as to ensure that the agent can be normally executed in the subsequent deployment process; the CPU, memory, disk size of the virtual machine and the access switch connection information based on LLDP are recorded.
5. The method for simulating a cloud physical host by a cloud platform-based virtual machine according to claim 2, wherein: in the first step, when adding vbmc to the virtual machine, an IPMI address, a port number, a user name and a password need to be assigned to the virtual machine, and the IPMI address is an IP address of a physical machine where the virtual machine is located.
6. The method for simulating a cloud physical host by a cloud platform-based virtual machine according to claim 1, wherein: and in the second step, in the process of creating the instance scheduling, resource types corresponding to the physical host models selected by the user are used for scheduling the cloud physical host nodes.
7. The method for simulating a cloud physical host by a cloud platform-based virtual machine according to claim 1, wherein: in the second step, the creation instance selected network supports VLAN and VXLAN types.
8. The method for simulating a cloud physical host by a cloud platform-based virtual machine according to claim 1, wherein: in the third step, the deployment processing flow of the cloud physical host instance is as follows:
(1) the control node prepares a deployment mirror image and a user mirror image to be placed on a TFTP server, calls a network module to prepare network resources, and then the network module sets a switch port connected with a cloud physical host node as a deployment network;
(2) setting a cloud physical host node as PXE starting; after the cloud physical host node acquires a deployment network IP through a DHCP, the cloud physical host node is connected to a TFTP server to download and deploy ramdisk and kernel;
(3) after starting, running an agent in the ramdisk, executing hardware inspection, interacting with a control node, and exposing a cloud physical host node disk through iSCSI;
(4) and the control node mounts the iSCSI disk and writes the user mirror image into the disk, shuts down the cloud physical host node, calls a network module to switch the network into a tenant network, and restarts the power after the starting item is changed into a hard disk starting item until the instance creation is completed.
9. The utility model provides a device of virtual machine simulation cloud physics host computer based on cloud platform which characterized in that: the method comprises the following steps:
a virtual machine module: the virtual machine is used for simulating a physical machine, and the vbmc is required to be used for adding an IPMI function to the virtual machine;
the control node: the system is used for controlling the life cycle management of the cloud physical host nodes and the instances, providing mirror images required by the cloud physical host and interaction with the database;
a network module: the system is responsible for the configuration and switching of the network;
a database module: the system is responsible for maintaining relevant information of the cloud physical host node, the instance and the interface;
a front-end module: the cloud physical host instance management system is responsible for providing the user with the functions of initiating the life cycle management request of the cloud physical host instance and remotely logging in.
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Application publication date: 20210416 |