CN113572862A - Cluster deployment method and device, electronic equipment and storage medium - Google Patents
Cluster deployment method and device, electronic equipment and storage medium Download PDFInfo
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- CN113572862A CN113572862A CN202111133339.5A CN202111133339A CN113572862A CN 113572862 A CN113572862 A CN 113572862A CN 202111133339 A CN202111133339 A CN 202111133339A CN 113572862 A CN113572862 A CN 113572862A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- 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
Abstract
The method comprises the steps of responding to a cluster deployment request, displaying a cluster deployment interface, receiving template selection operation, disk configuration operation, environment configuration operation and software configuration operation through the cluster deployment interface, calling a created virtual machine template to create an iscsi node and at least two rac nodes in response to the template selection operation and the disk configuration operation, attaching a disk to the iscsi node, configuring the disk to be a shared disk in response to the disk configuration operation and the environment configuration operation, mounting the shared disk for each rac node, attaching created software mirror image files to each rac node in response to the software configuration operation, installing cluster management software, installing database software in each rac node, and creating a database instance. By the method, the deployment of the cluster can be automatically completed only by simply configuring the front-end interface, and the deployment difficulty is reduced.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a cluster deployment method and apparatus, an electronic device, and a storage medium.
Background
At present, when a cluster environment is deployed in a windows environment, deployment is mainly performed manually, a storage engineer builds shared storage required by a cluster, the shared storage is attached to two cluster nodes in a direct connection mode, and then a database engineer configures a network environment and a node environment to complete deployment of the cluster environment. However, the manual deployment has a high requirement on network and database related knowledge reserves of related engineers, and the storage engineer and the database engineer need to cooperate together to complete the whole set of cluster environment deployment, so that the deployment efficiency is also low.
Therefore, the existing cluster deployment method has the technical problem of high deployment difficulty, and needs to be improved.
Disclosure of Invention
Embodiments of the present application provide a cluster deployment method, an apparatus, an electronic device, and a storage medium, so as to alleviate the technical problem of high deployment difficulty in the existing cluster deployment method.
In order to solve the above technical problem, an embodiment of the present application provides the following technical solutions:
the application provides a cluster deployment method, which comprises the following steps:
responding to a cluster deployment request, displaying a cluster deployment interface, and receiving template selection operation, disk configuration operation, environment configuration operation and software configuration operation through the cluster deployment interface;
responding to the template selection operation and the disk configuration operation, calling the created virtual machine template to create an iscsi node and at least two rac nodes, and adding a disk to the iscsi node;
responding to the disk configuration operation and the environment configuration operation, configuring the disks as shared disks, and mounting the shared disks for all rac nodes;
and in response to the software configuration operation, attaching the created software image file to each rac node, and installing cluster management software, installing database software and creating a database instance in each rac node.
Meanwhile, an embodiment of the present application further provides a cluster deployment apparatus, including:
the receiving module is used for responding to the cluster deployment request, displaying a cluster deployment interface, and receiving template selection operation, disk configuration operation, environment configuration operation and software configuration operation through the cluster deployment interface;
the creating module is used for responding to the template selection operation and the disk configuration operation, calling the created virtual machine template to create an iscsi node and at least two rac nodes, and adding a disk to the iscsi node;
an additional module, configured to respond to the disk configuration operation and the environment configuration operation, configure the disk as a shared disk, and mount the shared disk for each rac node;
and the installation module is used for responding to the software configuration operation, attaching the created software image file to each rac node, installing cluster management software, installing database software and creating a database instance in each rac node.
The application also provides an electronic device comprising a memory and a processor; the memory stores an application program, and the processor is configured to run the application program in the memory to perform any of the steps of the cluster deployment method described above.
The present application further provides a computer-readable storage medium having stored thereon a computer program for execution by a processor to implement the steps in the cluster deployment method of any of the above.
Has the advantages that: the application provides a cluster deployment method, a device, an electronic device and a storage medium, the method firstly responds to a cluster deployment request, displays a cluster deployment interface, receiving template selection operation, disk configuration operation, environment configuration operation and software configuration operation through the cluster deployment interface, then responding to the template selection operation and the disk configuration operation, calling the created virtual machine template to create an iscsi node and at least two rac nodes, and adds a disk to the iscsi node, and configures the disk as a shared disk in response to the disk configuration operation and the environment configuration operation, mounting the shared disk for each rac node, and finally responding to the software configuration operation, attaching the created software image file to each rac node, and installing cluster management software, installing database software, and creating database instances in each rac node. By the method, the deployment of the cluster can be automatically completed only by simply configuring the front-end interface, so that the requirements on the relevant knowledge reserves of engineers are reduced, the deployment efficiency is improved by automatic deployment, and the comprehensive deployment difficulty is reduced.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a scene schematic diagram of a cluster deployment system provided in an embodiment of the present application.
Fig. 2 is a first flowchart of a cluster deployment method according to an embodiment of the present application.
Fig. 3 is a schematic diagram of an architecture of a cluster according to an embodiment of the present application.
Fig. 4 is a first schematic diagram of a cluster deployment interface in an embodiment of the present application.
Fig. 5 is a second schematic diagram of a cluster deployment interface in an embodiment of the present application.
Fig. 6 is a third schematic diagram of a cluster deployment interface in an embodiment of the present application.
Fig. 7 is a fourth schematic diagram of a cluster deployment interface in an embodiment of the present application.
Fig. 8 is an interaction diagram of each object of the cluster deployment system in the embodiment of the present application.
Fig. 9 is a second flowchart of a cluster deployment method according to an embodiment of the present application.
Fig. 10 is a schematic structural diagram of a cluster deployment device provided in an embodiment of the present application.
Fig. 11 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. 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 application.
The embodiment of the application provides a cluster deployment method and device, electronic equipment and a storage medium. The cluster deployment apparatus may be integrated in an electronic device, and the electronic device may be a server or a terminal.
Referring to fig. 1, fig. 1 is a schematic view of a scenario of a cluster deployment system provided in an embodiment of the present application, where the system may include terminals and servers, and the terminals, the servers, and the terminals and the servers are connected and communicated through internet composed of various gateways, and the application scenario includes a client 11, a first server 12, and a second server 13; wherein:
the client 11 includes, but is not limited to, a mobile terminal and a fixed terminal having a display function, such as a computer and a mobile phone, a cluster deployment interface may be displayed on the client 11, and a user may perform a template selection operation, a disk configuration operation, an environment configuration operation, and a software configuration operation on the cluster deployment interface.
The first server 12 comprises a local server and/or a remote server, and the like, and the iscsi nodes are deployed in the first server 12 in the form of virtual machines. The iscsi node is a node used for providing shared storage in rac (real application clusters), a database is stored in the shared storage, and files and data which need to be accessed by each rac node in the cluster are stored in the database.
The second server 13 comprises a local server and/or a remote server, and the like, and the rac node is deployed in the second server 13 in the form of a virtual machine. The rac nodes 13 are nodes in an rac (real application cluster) for receiving a user request, and the rac nodes 13 are connected with a private network through a public network, wherein the private network realizes communication between the rac nodes 13, and the public network realizes communication between the user and the rac nodes 13. A database instance and a listener are respectively run in each rac node 13, user requests on one VIP address are respectively listened to, and the user can send the request to the rac node 13 where any VIP address is located, and the database on the iscsi node 12 is accessed through the rac node 13. Each rac node 13 is also installed with cluster management software which is responsible for monitoring the state of the node, and when a node fails, the database instance of the rac node 13, the corresponding VIP address and other resources are switched to another rac node 13 to ensure that a user can access the database through the VIP address.
The client 11, the first server 12 and the second server 13 are located in a wireless network or a wired network to realize data interaction among the three, wherein:
the client 11 responds to the cluster deployment request to display a cluster deployment interface, and receives template selection operation, disk configuration operation, environment configuration operation and software configuration operation through the cluster deployment interface. The template selection operation comprises the steps of selecting one iscsi virtual machine template from a plurality of pre-created iscsi virtual machine templates and selecting one rac virtual machine template from a plurality of pre-created rac virtual machine templates; the disk configuration operation comprises configuring parameters such as name, type, size and the like of a disk; the environment configuration operation comprises the configuration of environment parameters of each node; the software configuration operation comprises the configuration of parameters such as an installation base directory, an installation directory, a password and the like.
The first server 12 responds to template selection operation, disk configuration operation and environment configuration operation, calls the created iscsi virtual machine template to create an iscsi node, attaches a disk to the iscsi node, configures the disk as a shared disk, and the second server 13 responds to the template selection operation, the disk configuration operation and the environment configuration operation, calls the created rac virtual machine template to create at least two rac nodes, performs environment configuration of the rac nodes, and mounts the shared disk for each rac node. The second server 13 attaches the created software image file to each rac node in response to the software configuration operation, and installs cluster management software, installs database software, and creates a database instance in each rac node. And finally, completing the deployment of the cluster.
It should be noted that the system scenario diagram shown in fig. 1 is only an example, and the server and the scenario described in the embodiment of the present application are for more clearly illustrating the technical solution of the embodiment of the present application, and do not form a limitation on the technical solution provided in the embodiment of the present application, and as a person having ordinary skill in the art knows, with the evolution of the system and the occurrence of a new service scenario, the technical solution provided in the embodiment of the present application is also applicable to similar technical problems. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
Referring to fig. 2, fig. 2 is a first flowchart of a cluster deployment method according to an embodiment of the present application, where the method includes:
s201: and responding to the cluster deployment request, displaying a cluster deployment interface, and receiving template selection operation, disk configuration operation, environment configuration operation and software configuration operation through the cluster deployment interface.
In the embodiment of the present application, a cluster refers to a loosely coupled computing node set formed by two or more servers in a cloudstack environment, and provides a network service or an application program for a user. As shown in fig. 3, the deployed cluster in the present application includes iscsi nodes and at least two rac nodes, for convenience of description, the present application describes that the cluster includes rac nodes 1 and rac nodes 2, where the rac node 1 is a main rac node and the rac node 2 is a secondary rac node, each node is set on its own server in a virtual machine form, and the nodes communicate with each other and with the client based on an iscsi protocol, where each rac node communicates with each other through a private network, and the client communicates with each rac node through a public network. The iscsi node is used for providing shared storage for each rac node, and the rac node is used for accessing data in the shared storage under the request of a client.
Specifically, the iscsi node organizes a plurality of disks into an ASM disk group by using the ASM technology, the data of the database is uniformly distributed on the disks, and then the ASM disk group serves as a shared storage to provide the data to each rac node. The rac node 1 is provided with a database instance 1, the rac node 2 is provided with a database instance 2, the rac node 1 and the rac node 2 are mounted with ASM disk groups of iscsi nodes, and when a client sends a request to a certain rac node, the database can be accessed through the database instance of the rac node. Thus, the deployed completed cluster needs to include the elements in fig. 3.
When a cluster needs to be deployed, a user sends a cluster deployment request, a server responds to the request and displays a cluster deployment interface on a client, and the user can execute template selection operation, disk configuration operation, environment configuration operation and software configuration operation on the cluster deployment interface and configure relevant parameters of the cluster needing to be deployed. The template selection operation comprises the steps of selecting one iscsi virtual machine template from a plurality of pre-created virtual machine templates and selecting one rac virtual machine template from the plurality of pre-created virtual machine templates; the disk configuration operation comprises configuring parameters such as name, type, size and the like of a disk; the environment configuration operation comprises the configuration of environment parameters of each node; the software configuration operation comprises the configuration of parameters such as an installation base directory, an installation directory, a password and the like. As shown in fig. 4 to 7, they are first to fourth schematic diagrams of a cluster deployment interface, respectively.
As shown in fig. 4, a template selection operation and a disk configuration operation of a user are received through a cluster deployment interface. The cluster deployment interface of fig. 4 is mainly used to create iscsi nodes, and includes configuration items such as a selection resource domain, a selection template, a virtual machine management program, a calculation scheme, a guest network, an instance IP, a disk group name, a disk group type, and a disk group size.
The resource domain is the largest organization unit in the cloudstack, one resource domain is composed of one or more providing points and an auxiliary storage server shared by the providing points, the resource domain can provide physical isolation and redundancy, networks of different resource domains are different, in a cluster deployment interface, one of the resource domains is selected from a plurality of pre-created resource domains, and a cluster deployed subsequently is located in the resource domain.
The templates are pre-created virtual machine templates, for the iscsi nodes, before cluster deployment, the iscsi virtual machine templates need to be created first and uploaded to the cloudstack environment, only one or a plurality of iscsi virtual machine templates can be created, the configuration of each iscsi virtual machine template is different, and the required iscsi virtual machine templates can be selected on a cluster deployment interface as required.
In one embodiment, before S201, the method further includes: in response to an iscsi virtual machine template creation request, installing an epel source and scsi-target-utilis software in a centros 7 operating system; the installed centros 7 operating system is packaged and uploaded as iscsi virtual machine templates into the cloudstack environment.
The method includes the steps that an iscsi virtual machine template required in the application needs a Centos7 operating system, a cloudstar environment is required, when an iscsi virtual machine template creation request is received, a firewall in a Centos7 operating system is closed, then an epel source is installed, an execution command is yum install epel-release, then sci-target-utilis software is installed, an execution command is yum-enablerepo = epel-y install sci-target-utilis, and finally the Centos7 operating system with the epel source and the sci-target-utilis software installed is packaged into the iscsi virtual machine template and uploaded to the cloudstar environment. When the template is called subsequently, the template can be called through the corresponding interface only by executing the selection operation of the template on the cluster deployment interface.
A virtual machine hypervisor, also known as a Virtual Machine Monitor (VMM), is software that creates and runs Virtual Machines (VMs), is critical software that virtualizes servers into what is possible, server virtualization allows different operating systems to run separate applications on one server while still using the same physical resources, often referring to a computer on which the virtual machine hypervisor is installed as a host, as opposed to a guest virtual machine running on the host, which allows one host to support multiple virtual machines by virtually sharing its resources (e.g., memory and processors). The user selects the desired virtual machine hypervisor as desired.
The calculation scheme refers to a hardware configuration scheme required when creating a virtual machine, such as the configuration of the size of a memory, the number of processor cores, and the like, and in the present application, a calculation scheme of an 8-core CPU and a 16G memory may be used.
The guest network refers to a communication network of the created guest virtual machine, and the instance IP refers to an IP address of the created guest virtual machine. The disk group includes a plurality of disks, such as a decision disk, a data disk, and a flashback zone, each of which stores different data or provides different functions, and for each of which parameters such as a name, a type (decision disk, data disk, or flashback zone), and a disk size can be set.
After the above operations are performed, the "next" control is triggered, and the cluster deployment interface shown in fig. 5 is entered.
As shown in FIG. 5, a template selection operation and an environment configuration operation of a user are received through a cluster deployment interface. The cluster deployment interface shown in fig. 5 is mainly used to create two or more rac nodes, and each rac node includes configuration items such as a selection template, a virtual machine management program, a computing scheme, a private network, a public IP, a VIP, a SCAN IP, and the like.
The template is a pre-created virtual machine template, for the rac node, before cluster deployment, an rac virtual machine template needs to be created first and stored in a cloudstack environment, only one or a plurality of rac virtual machine templates need to be created, the configurations of the iscsi virtual machine templates are different, and the required rac virtual machine template can be selected on a cluster deployment interface as required.
In one embodiment, before S201, the method further includes: responding to a template creating request of a rac virtual machine, starting iscsi service in a windows 2008 r2 operating system, configuring an operating environment for automatically installing cluster management software, configuring an installation template of the cluster management software, and configuring windows remote connection parameters; after the system is restarted, the installed windows 2008 r2 operating system is packaged and uploaded to the cloudstack environment as a rac virtual machine template.
In the template of the rac virtual machine required in the application, the required operating system is windows 2008 r2, and the required environment is cloudstack. When a rac virtual machine template creation request is received, firstly closing a firewall in an operating system of the windows 2008 r2, then configuring a local security policy, specifically running secpol.msc, and configuring' security setting- > local policy- > security option- > user account control: in the administrator approval mode, the behavior of promoting the authority of the administrator is 'no prompt, direct promotion', and the conditions that 'security setting- > local policy- > user authority allocation- > management auditing and security log' comprise administerrates group are confirmed. Next, the Data Execution Protection (DEP) option in the operating system is set to "basic windows program and service only enabled", the UAC option in the operating system is set to "never notify", and the MSDTC (distributed Transaction coordinator) service is modified to manual and stopped. And then, closing the DHCP media perception, and modifying the firewall configuration so as to avoid the situation that the system disables the protocol used by the cluster.
After the above process is configured, the self iscsi service in the windows 2008 r2 operating system is started, and after the self iscsi service in the system is started manually as a default, the self iscsi service can be directly used without entering the operating system when the template is subsequently used without restarting. In order to realize automatic installation of cluster management software, a cluster management software installation template grid.rsp needs to be configured and placed in a configuration folder, the folder is named as 'share', and meanwhile, an operation environment for automatically installing the cluster management software also needs to be configured, and the method specifically comprises a net environment required for installing an automatic deployment program, starting by setting an administrator identity and the like. And finally, configuring windows remote connection parameters to enable the operating system to be remotely connected, wherein the specific instruction comprises the following steps: winrm engine winrm/config/listener (see winrm service state, default not started); winrm quickconfig (winrm service start); winrm set winrm/config/service/auth @ { Basic = "true" } (configure auth for the winrm service); winrm set winrm/config/service @ { allowUnnecypted = "true" } (configuring encryption mode for winrm service as allowing non-encryption).
And finally, restarting the operating system, enabling the configuration to be effective after the restarting, packaging the windows 2008 r2 operating system into a rac virtual machine template, and uploading the rac virtual machine template to a cloudstack environment. When the template is called subsequently, the template can be called through the corresponding interface only by executing the selection operation of the template on the cluster deployment interface.
The virtual machine management program and the calculation scheme are similar to those in the above embodiments, and are not described herein again. The private network is a network for communication between different rac nodes, the public network is a network for communication between the client and the rac nodes, and public IP, VIP and SCAN IP are selected.
Through the method, the configuration operations of the rac node 1 and the rac node 2 are respectively executed in the interface of fig. 5, and after the operations are executed, the control of the 'next step' is triggered to enter the cluster deployment interface shown in fig. 6.
As shown in FIG. 6, a user's software configuration operation is received via the cluster deployment interface. The cluster deployment interface of fig. 6 is mainly used for configuring related software, the software includes cluster management software and database software, and the software configuration operation includes configuring grid installation base directory, grid installation directory, database installation base directory, database installation directory, sys user password, syssm user password, database code, and the like.
The cluster management software comprises grid software, the database software comprises oracle software, an installation base directory and an installation directory of the database are required to be configured firstly when the cluster management software is installed, sys user passwords are required to be used for verification when the database is accessed, sysasm user passwords are also required to be used for verification when the database of the ASM disk group is accessed, the database codes refer to certain codes which can be supported by the database, and after the codes are configured, the database can receive, store and provide characters (including identifiers and character type field values) of the codes outwards.
In one embodiment, before S201, the method further includes: responding to a software image file creating request, and acquiring a cluster management software installation package and a database software installation package; and manufacturing the cluster management software installation package and the database software installation package into iso image files, and uploading the iso image files serving as software image files to a cloudstack environment. After a software image file creation request is received, a cluster management software installation package and a database software installation package are obtained, the cluster management software is grid software, the database software is oracle software, the version can be oracle 11g, all the software installation packages are put together to be manufactured into an iso image file, the iso image file is a file similar to a compression package, a specific series of files are manufactured into a single file according to a certain format, so that a user can download and use the files conveniently, and the files can be identified by specific software and can be directly recorded on an optical disk. After the software image file is manufactured, the software image file is uploaded to a cloudstack environment as a complete software image file, and after the configuration of software at the front end is completed, a related interface can be called to find the software image file, and the installation of related software is automatically completed through the software image file.
Through the method, the configuration operation of the cluster management software and the database software is executed in the interface of fig. 6, and after the operation is executed, the 'determination' control is triggered, so that the configuration of the front-end interface is completed.
In the prior art, each time a cluster is deployed, a virtual machine of each node needs to be created, which is time-consuming and has high requirements on engineers. In the method and the device, the required virtual machine template is created firstly, and then the template is directly called on a front-end interface, so that a large amount of repeated work is reduced, the deployment efficiency is improved, the requirement on an engineer is reduced, and the deployment difficulty is reduced.
S202: and responding to the template selection operation and the disk configuration operation, calling the created virtual machine template to create an iscsi node and at least two rac nodes, and attaching a disk to the iscsi node.
As shown in fig. 8, after the user executes the template selection operation on the cluster deployment interface, the server responds to the template selection operation, calls the corresponding interface to obtain the virtual machine template created in the previous step according to the specific content of the selection, creates an iscsi virtual machine and two rac virtual machines in the cloudstack environment, obtains an iscsi node and two rac nodes, the two rac nodes include a main rac node and a secondary rac node, and attaches a disk to the iscsi node according to the specific content of the disk configuration operation, so as to complete the creation of the iscsi node and the two rac nodes.
When the selected virtual machine template is the iscsi virtual machine template, because the epel source and the scsi-target-files software are installed in the template, the server responds to the template selection operation to generate a request for automatically installing the iscsi virtual machine, and then the iscsi virtual machine is automatically created on the server through cloudstack by combining the selected iscsi virtual machine template and various configuration information such as resource domains, virtual machine management programs, computing schemes and the like configured on a cluster deployment interface and is used as an iscsi node in a cluster. And then, according to the specific content of the disk configuration operation executed by the user on the cluster deployment interface, the server responds to the disk configuration operation and attaches the configured disk to the created iscsi node according to the specific content of the configuration. Specifically, a user configures a disk name for each disk in a cluster deployment interface, a server responds to a disk name configuration operation, queries each configured disk through the name, attaches the disk to an iscsi node, and formats the disk, where the format related command may be: sudo mkfs-t ext 4-F/dev/sdb, sudo mkfs-t ext 4-F/dev/sdc, and the like.
When the selected virtual machine template is a rac virtual machine template, because the template is started by iscsi service, configured by the running environment of automatic cluster management software, configured by a cluster management software installation template, and configured by a windows remote connection parameter in a windows 2008 r2 operating system during manufacturing, the server responds to the template selection operation to generate a request for automatically installing the rac virtual machine, and then a rac virtual machine is automatically created on the server through cloudstack by combining the selected rac virtual machine template and various configuration information such as a virtual machine management program and a computing scheme configured on a cluster deployment interface, and is used as an rac node in a cluster.
S203: and responding to the disk configuration operation and the environment configuration operation, configuring the disk as a shared disk, and mounting the shared disk for each rac node.
As shown in fig. 8, after the iscsi node and the two rac nodes are created, the disks attached to the iscsi node are configured according to the disk configuration operation and the environment configuration operation, so that the iscsi node becomes the shared storage, the environments of the primary rac node and the secondary rac node are configured at the same time, the two nodes are both mounted on the shared storage, and the initialization of the shared storage is completed.
In one embodiment, S203 specifically includes: responding to the disk configuration operation and the environment configuration operation of the iscsi node, editing configuration parameters in a configuration file/etc/iscsi of the iscsi node, wherein the configuration parameters comprise a node name of the iscsi node, a disk name of each additional disk and an access IP address; restarting the tgtd service to enable each additional disk to be used as a shared disk to be shared externally; and responding to the disk configuration operation, the environment configuration operation of each rac node and the environment configuration operation of the iscsi node, configuring network information, IP information, node names and domain name pointing files of each rac node, and establishing the connection between each rac node and the iscsi node so as to mount the shared disk.
Specifically, in response to a disk configuration operation and an environment editing operation of an iscsi node, a configuration parameter in a configuration file/etc/iscsi/iscsi.conf is edited, and a specific command is as follows, wherein a dividing part is the configuration parameter to be edited:
<target iqn.2015-01.com.liaobin:i1.c2>(iqn. year-month. domain name in reverse: iscsi node name);
backing-store /dev/sdb(attached disk name);
backing-store /dev/sdc(attached disk name);
initiator-address 192.168.191.0/24(open access IP address allowing access to the iscsi node);
</target>。
in the above parameters to be configured, the iscsi node name may be predefined, and the open access IP address is an instance IP in the environment configuration operation on the iscsi node on the cluster configuration interface. The server automatically edits the configuration parameters after acquiring the parameters, and restarts the tgtd service after configuration, with the command of: the service tgtd restart may enable the configuration after restart. After restarting, each disk attached to the iscsi node is used as a shared disk and is shared outside through an open access IP address.
The method comprises the following steps that a user executes environment configuration operation of rac nodes on a cluster deployment interface, a server responds to the environment configuration operation, networks are respectively added into two rac nodes according to configured private networks and public networks, network card name modification, IP information modification and host name modification of the rac nodes are sequentially executed according to configured public IP, VIP, SCAN IP and other configuration items, and preset network card names and host names, and specific commands to be executed for each rac node are as follows:
netsh interface set interface name = "local connection" newname = "pub" (modify network card name);
mesh interface IP set address "pub" static address =145.170.39.54 mask =255.255.255.0 gateway =145.170.39.254 gwmetric =110 (modify IP information);
while computer systems where "capture = '% computer name%'" call rename rac1 (the host name of rac node 1 is modified to rac1, here rac2 if rac node 2).
After modification, the two rac nodes are respectively connected to the iscsi node to realize that the two rac nodes mount the shared disk of the iscsi, and both the two rac nodes execute the following commands:
iscsicli qaddtargetport 145.170.39.57 (open access IP address of iscsi node);
iscsicli ListTargets;
iscsicli qlogentret iqn.2015-01.com. liaobin: i1.c2 (iscsi node name).
And then modifying the host file, and adopting a direct covering mode, wherein the specific command is as follows:
127.0.0.1 localhost #public 145.170.39.77 rac1 145.170.39.54 rac2 #vip 145.170.39.75 rac1-vip 145.170.39.76 rac2-vip #private 10.1.1.23 rac1-pri 10.1.1.13 rac2-pri #scan 145.170.39.78 rac-scan
after modification, the domain name is automatically replaced by the set IP when the external access is made to the url on the rac node. Then, a shared software installation disk, such as a c disk or a d disk, between the two rac nodes is set, and after sharing, installation of grid and other software can be performed between the two rac nodes. Specifically, the following commands are executed for each disc, and only the disc character needs to be changed for different discs:
net use/145.170.39.77/C $ "P @ ssw0 rd"/user: administeror (145.170.39.77 is the public IP address of rac 1);
net use/145.170.39.54/C $ "P @ ssw0 rd"/user: administeror (145.170.39.54 is the public IP address of rac 2).
After the shared software installation disk is set, all kinds of software installed in each subsequent rac node are installed in the shared disk. Then, the time of each rac node is synchronized again, the time of the main rac node is used as a reference for synchronization, and the secondary rac node executes the command during synchronization: net time \ \ 145.170.39.77/set/y (145.170.39.77 is the public IP address of the primary rac node rac 1).
And finally, each disk directly executes a preset script to complete initialization.
S204: in response to the software configuration operation, the created software image file is attached to each rac node, and cluster management software, database software and a database instance are installed in each rac node.
As shown in fig. 8, a user executes a software configuration operation on the cluster deployment interface, and in response to the software configuration operation, the server calls an interface to attach a software image file uploaded to the cloudstack environment to each rac node. Then, the ASM disk group initialization, the cluster environment verification and the cluster environment configuration are executed in sequence. And then, according to the configured information of grid installation base directories, grid installation directories and the like, installing the cluster management software on the primary rac node through the cluster management software installation package in the software image file, acquiring the installation state, and synchronously installing the cluster management software in the secondary rac node after the installation is finished. According to information such as a database installation base directory, a database installation directory, sys user passwords, sysasm user passwords, database codes and the like, installing database software on a main rac node through a database software installation package in a software mirror image file, acquiring an installation state, and synchronously installing the database software in a secondary rac node after installation. And then, returning the installation state of the database software to the server, and respectively configuring the ASM disk groups in the main rac node and the secondary rac node after the installation is finished. And finally, synchronously creating database instances in the main rac node and the secondary rac nodes, and verifying whether the database is normal or not after the database instances are installed.
Specifically, when grid software is installed, the execution command is as follows:
adding a magnetic disk: asmtol-add \ Device \ Harddisk1\ Partition 1/dev/sdb;
checking configuration: runlvfy stage-pre crsinst-fixup-n rac1, rac 2-verbose;
installing grid software: setup-responseFile C \ share \ grid.
When the database software is installed, the execution command is as follows: setup-responseFile C \\ share \ db.
After grid software and database software are installed, a preset script is executed to configure an ASM disk group, so that a plurality of shared disks mounted on each rac node are organized into the ASM disk group.
Finally, creating a database example, and executing the commands as follows: dbca-responseFile C \\ share \ dbca.
In the process, the installation of the cluster management software and the database software and the creation of the database instance both adopt a silent installation (silent) mode, that is, after the configuration of the user on the interface and the preset parameters are obtained, all the operations in the installation process can be automatically completed without manual participation.
In one embodiment, after S204, the method further includes: checking whether the deployed cluster state is normal; if so, displaying the cluster on a cluster deployment interface; and if not, deleting the information obtained in response to the template selection operation, the disk configuration operation, the environment configuration operation and the configuration operation. The deployment of the clusters is completed through the steps, whether the deployed cluster state is normal needs to be verified after the deployment is completed, only when the state is normal, the shared storage data of the iscsi nodes can be obtained by sending a request to any rac node in the clusters subsequently, and when the verification state is normal, the newly deployed cluster can be displayed on the interface shown in fig. 7, and the state is displayed as running. And when the verification state is abnormal, deleting all the virtual machines created by the operation, and a series of information such as configuration information of the virtual machines, installed software and the like, and releasing the storage space.
Different from the prior art, the cluster deployment method provided by the application comprises the steps of responding to a cluster deployment request, displaying a cluster deployment interface, and receiving template selection operation, disk configuration operation, environment configuration operation and software configuration operation through the cluster deployment interface; responding to template selection operation and environment configuration operation, calling the created virtual machine template to create an iscsi node and at least two rac nodes; responding to disk configuration operation and environment configuration operation, attaching a shared disk to the iscsi node, and mounting the shared disk for each rac node; in response to the software configuration operation, the created software image file is attached to each rac node, and cluster management software, database software and a database instance are installed in each rac node. By the method, the deployment of the cluster can be automatically completed only by simply configuring the front-end interface, so that the requirements on the relevant knowledge reserves of engineers are reduced, the deployment efficiency is improved by automatic deployment, and the comprehensive deployment difficulty is reduced.
As shown in fig. 9, a second flowchart of the cluster deployment method provided in the embodiment of the present application is shown, where the method shows main steps of the cluster deployment method, and specifically includes:
901: and starting.
902: configuration information is entered at the front-end interface.
903: creating an iscsi node.
904: a rac node is created.
905: the iscsi node is attached to a disk.
906: and changing the external sharing of the disk configuration.
907: and each rac node performs environment configuration.
908: and mounting the shared disk by each rac node.
909: and attaching a software image file to each rac node.
910: and carrying out environment check on each rac node.
911: and installing cluster management software on each rac node.
912: and installing a database at each rac node.
913: and creating a database instance at each rac node.
914: the cluster state is checked.
915: and judging whether the database is installed successfully.
If so, perform 916: and (6) ending.
If not, execution 917: and deleting all virtual machines and related information.
By the method, the deployment of the cluster is automatically completed after the front-end interface is configured.
On the basis of the method in the foregoing embodiment, this embodiment will be further described from the perspective of a cluster deployment device, please refer to fig. 10, where fig. 10 specifically describes the cluster deployment device provided in this embodiment, which may include:
a receiving module 110, configured to respond to a cluster deployment request, display a cluster deployment interface, and receive, through the cluster deployment interface, a template selection operation, a disk configuration operation, an environment configuration operation, and a software configuration operation;
a creating module 120, configured to respond to the template selection operation and the disk configuration operation, call a created virtual machine template to create an iscsi node and at least two rac nodes, and attach a disk to the iscsi node;
an additional module 130, configured to respond to the disk configuration operation and the environment configuration operation, configure the disk as a shared disk, and mount the shared disk for each rac node;
and the installation module 140 is used for attaching the created software image file to each rac node in response to the software configuration operation, installing cluster management software in each rac node, installing database software and creating a database instance.
In an embodiment, the cluster deployment apparatus further includes an iscsi virtual machine template creation module, where the iscsi virtual machine template creation module is configured to, in response to an iscsi virtual machine template creation request, install an epel source and a scsi-target-utils software in the centros 7 operating system; the installed centros 7 operating system is packaged and uploaded as iscsi virtual machine templates into the cloudstack environment.
In an embodiment, the cluster deployment apparatus further includes a rac virtual machine template creation module, where the rac virtual machine template creation module is configured to, in response to a rac virtual machine template creation request, start an iscsi service in a windows 2008 r2 operating system, configure an operating environment for automatically installing cluster management software, configure a cluster management software installation template, and configure a windows remote connection parameter; after the system is restarted, the installed windows 2008 r2 operating system is packaged and uploaded to the cloudstack environment as a rac virtual machine template.
In one embodiment, the cluster deployment device further includes a software image file creation module, where the software image file creation module is configured to, in response to a software image file creation request, obtain a cluster management software installation package and a database software installation package; and manufacturing the cluster management software installation package and the database software installation package into iso image files, and uploading the iso image files serving as the software image files to a cloudstack environment.
In one embodiment, the creating module 120 is configured to, in response to an iscsi virtual machine template selection operation, call the created iscsi virtual machine template to create an iscsi node; responding to the operation of disk configuration, inquiring the configured disks to be attached to the iscsi nodes and formatting each disk, responding to the operation of selecting a template of the rac virtual machine, and calling the created template of the rac virtual machine to create at least two rac nodes.
In one embodiment, the add-in module 130 is configured to, in response to the disk configuration operation and the environment configuration operation of the iscsi node, edit configuration parameters in a configuration file/etc/iscsi/iscsi.conf of the iscsi node, where the configuration parameters include a node name of the iscsi node, a disk name of each add-in disk, and an access IP address; restarting the tgtd service to enable each additional disk to be used as a shared disk to be shared externally; and responding to the disk configuration operation, the environment configuration operation of each rac node and the environment configuration operation of the iscsi node, configuring network information, IP information, node names and domain name pointing files of each rac node, and establishing the connection between each rac node and the iscsi node so as to mount the shared disk.
In one embodiment, the installation module 140 is configured to, in response to the software configuration operation, attach the created software image file to each rac node; and synchronously installing cluster management software, synchronously installing database software and synchronously creating a database instance through the cluster management software installation package and the database installation package in the software image file in a shared software installation disk of each rac node.
In an embodiment, the cluster deployment apparatus further includes a checking module, where the checking module is configured to check whether a deployed cluster state is normal; if so, displaying the cluster on the cluster deployment interface; and if not, deleting all information obtained in response to the template selection operation, the disk configuration operation, the environment configuration operation and the software configuration operation.
Different from the prior art, the cluster deployment device provided by the application firstly responds to a cluster deployment request, shows a cluster deployment interface, receives template selection operation, disk configuration operation, environment configuration operation and software configuration operation through the cluster deployment interface, then responds to the template selection operation and the disk configuration operation, calls the created virtual machine template to create iscsi nodes and at least two rac nodes, adds disks to the iscsi nodes, responds to the disk configuration operation and the environment configuration operation, configures the disks to be shared disks, mounts the shared disks to the rac nodes, and finally responds to the software configuration operation, adds created software mirror files to the rac nodes, installs cluster management software, installs database software and creates database instances in the rac nodes. By the method, the deployment of the cluster can be automatically completed only by simply configuring the front-end interface, so that the requirements on the relevant knowledge reserves of engineers are reduced, the deployment efficiency is improved by automatic deployment, and the comprehensive deployment difficulty is reduced.
Accordingly, an electronic device may include, as shown in fig. 11, a Radio Frequency (RF) circuit 1101, a memory 1102 including one or more computer-readable storage media, an input unit 1103, a display unit 1104, a sensor 1105, an audio circuit 1106, a Wireless Fidelity (WiFi) module 1107, a processor 1108 including one or more processing cores, and a power supply 1109. Those skilled in the art will appreciate that the server architecture shown in FIG. 11 is not meant to be limiting, and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components. Wherein:
the RF circuit 1101 may be used for receiving and transmitting signals during a message transmission or communication process, and in particular, for receiving downlink information from a base station and then processing the received downlink information by one or more processors 1108; in addition, data relating to uplink is transmitted to the base station. The memory 1102 may be used for storing software programs and modules, and the processor 1108 may execute various functional applications and data processing by operating the software programs and modules stored in the memory 1102. The input unit 1103 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control.
The display unit 1104 may be used to display information input by or provided to the user and various graphical user interfaces of the server, which may be made up of graphics, text, icons, video, and any combination thereof.
The server may also include at least one sensor 1105, such as light sensors, motion sensors, and other sensors. The audio circuitry 1106 includes speakers, which may provide an audio interface between the user and the server.
WiFi belongs to short-range wireless transmission technology, and the server can help the user send and receive e-mail, browse web pages, access streaming media, etc. through the WiFi module 1107, which provides wireless broadband internet access for the user. Although fig. 11 shows the WiFi module 1107, it is understood that it does not belong to the essential constitution of the server, and may be omitted entirely as needed within the scope of not changing the essence of the application.
The processor 1108 is the control center of the server, connects the various parts of the entire handset using various interfaces and lines, and performs the various functions of the server and processes data by running or executing software programs and/or modules stored in the memory 1102 and calling data stored in the memory 1102, thereby performing overall monitoring of the handset.
The server also includes a power supply 1109 (such as a battery) for powering the various components, which may preferably be logically coupled to the processor 1108 via a power management system that may provide management of charging, discharging, and power consumption.
Although not shown, the server may further include a camera, a bluetooth module, etc., which will not be described herein. Specifically, in this embodiment, the processor 1108 in the server loads the executable file corresponding to the process of one or more application programs into the memory 1102 according to the following instructions, and the processor 1108 runs the application programs stored in the memory 1102, so as to implement the following functions:
responding to a cluster deployment request, displaying a cluster deployment interface, and receiving template selection operation, disk configuration operation, environment configuration operation and software configuration operation through the cluster deployment interface; responding to the template selection operation and the disk configuration operation, calling the created virtual machine template to create an iscsi node and at least two rac nodes, and attaching a disk to the iscsi node; responding to the disk configuration operation and the environment configuration operation, configuring the disks as shared disks, and mounting the shared disks for all rac nodes; and in response to the software configuration operation, attaching the created software image file to each rac node, and installing cluster management software, installing database software and creating a database instance in each rac node.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and parts that are not described in detail in a certain embodiment may refer to the above detailed description, and are not described herein again.
It will be understood by those skilled in the art that all or part of the steps of the methods of the above embodiments may be performed by instructions or by associated hardware controlled by the instructions, which may be stored in a computer readable storage medium and loaded and executed by a processor.
To this end, the present application provides a storage medium, in which a plurality of instructions are stored, and the instructions can be loaded by a processor to implement the following functions:
responding to a cluster deployment request, displaying a cluster deployment interface, and receiving template selection operation, disk configuration operation, environment configuration operation and software configuration operation through the cluster deployment interface; responding to the template selection operation and the disk configuration operation, calling the created virtual machine template to create an iscsi node and at least two rac nodes, and attaching a disk to the iscsi node; responding to the disk configuration operation and the environment configuration operation, configuring the disks as shared disks, and mounting the shared disks for all rac nodes; and in response to the software configuration operation, attaching the created software image file to each rac node, and installing cluster management software, installing database software and creating a database instance in each rac node.
The above operations can be implemented in the foregoing embodiments, and are not described in detail herein.
Wherein the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
Since the instructions stored in the storage medium can execute the steps in any method provided in the embodiments of the present application, the beneficial effects that can be achieved by any method provided in the embodiments of the present application can be achieved, for details, see the foregoing embodiments, and are not described herein again.
The cluster deployment method, the cluster deployment device, the electronic device and the storage medium provided by the embodiments of the present application are introduced in detail, and a specific example is applied in the description to explain the principle and the implementation manner of the present application, and the description of the embodiments is only used to help understanding the technical scheme and the core idea of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A method for cluster deployment, comprising:
responding to a cluster deployment request, displaying a cluster deployment interface, and receiving template selection operation, disk configuration operation, environment configuration operation and software configuration operation through the cluster deployment interface;
responding to the template selection operation and the disk configuration operation, calling the created virtual machine template to create an iscsi node and at least two rac nodes, and adding a disk to the iscsi node;
responding to the disk configuration operation and the environment configuration operation, configuring the disks as shared disks, and mounting the shared disks for all rac nodes;
and in response to the software configuration operation, attaching the created software image file to each rac node, and installing cluster management software, installing database software and creating a database instance in each rac node.
2. The cluster deployment method of claim 1, wherein prior to the step of exposing the cluster deployment interface in response to the cluster deployment request, comprising:
in response to an iscsi virtual machine template creation request, installing an epel source and scsi-target-utilis software in a centros 7 operating system;
the installed centros 7 operating system is packaged and uploaded as iscsi virtual machine templates into the cloudstack environment.
3. The cluster deployment method of claim 1, wherein prior to the step of exposing the cluster deployment interface in response to the cluster deployment request, comprising:
responding to a template creating request of a rac virtual machine, starting iscsi service in a windows 2008 r2 operating system, configuring an operating environment for automatically installing cluster management software, configuring an installation template of the cluster management software, and configuring windows remote connection parameters;
after the system is restarted, the installed windows 2008 r2 operating system is packaged and uploaded to the cloudstack environment as a rac virtual machine template.
4. The cluster deployment method of claim 1, further comprising, prior to the step of exposing the cluster deployment interface in response to the cluster deployment request:
responding to a software image file creating request, and acquiring a cluster management software installation package and a database software installation package;
and manufacturing the cluster management software installation package and the database software installation package into iso image files, and uploading the iso image files serving as the software image files to a cloudstack environment.
5. The cluster deployment method of claim 1, wherein the step of calling the created virtual machine template to create an iscsi node and at least two rac nodes and attach a shared disk to the iscsi node in response to the template selection operation and the disk configuration operation comprises:
responding to the iscsi virtual machine template selection operation, calling the created iscsi virtual machine template to create an iscsi node;
responding to the disk configuration operation, inquiring the configured disks to be attached to the iscsi nodes, and formatting each disk;
and in response to the rac virtual machine template selection operation, calling the created rac virtual machine template to create at least two rac nodes.
6. The cluster deployment method of claim 1, wherein the step of configuring the disks as shared disks in response to the disk configuration operation and the environment configuration operation, and mounting the shared disks for each rac node, comprises:
responding to the disk configuration operation and the environment configuration operation of the iscsi node, editing configuration parameters in a configuration file/etc/iscsi of the iscsi node, wherein the configuration parameters comprise a node name of the iscsi node, a disk name of each additional disk and an access IP address; restarting the tgtd service to enable each additional disk to be used as a shared disk to be shared externally;
and responding to the disk configuration operation, the environment configuration operation of each rac node and the environment configuration operation of the iscsi node, configuring network information, IP information, node names and domain name pointing files of each rac node, and establishing the connection between each rac node and the iscsi node so as to mount the shared disk.
7. The method for cluster deployment of claim 4, wherein the steps of appending the created software image file to each rac node, installing cluster management software in each rac node, installing database software, and creating a database instance in response to the software configuration operation, comprise:
responding to the software configuration operation, and attaching the created software image file to each rac node;
and synchronously installing cluster management software, synchronously installing database software and synchronously creating a database instance through the cluster management software installation package and the database installation package in the software image file in a shared software installation disk of each rac node.
8. A cluster deployment apparatus, comprising:
the receiving module is used for responding to the cluster deployment request, displaying a cluster deployment interface, and receiving template selection operation, disk configuration operation, environment configuration operation and software configuration operation through the cluster deployment interface;
the creating module is used for responding to the template selection operation and the disk configuration operation, calling the created virtual machine template to create an iscsi node and at least two rac nodes, and adding a disk to the iscsi node;
an additional module, configured to respond to the disk configuration operation and the environment configuration operation, configure the disk as a shared disk, and mount the shared disk for each rac node;
and the installation module is used for responding to the software configuration operation, attaching the created software image file to each rac node, installing cluster management software, installing database software and creating a database instance in each rac node.
9. An electronic device comprising a memory and a processor; the memory stores an application program, and the processor is configured to execute the application program in the memory to perform the steps of the cluster deployment method according to any one of claims 1 to 7.
10. A computer-readable storage medium, having stored thereon a computer program for execution by a processor to perform the steps of the cluster deployment method of any of claims 1 to 7.
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