CN114327533B - Method, device and equipment for upgrading uninterrupted service and storage medium - Google Patents
Method, device and equipment for upgrading uninterrupted service and storage medium Download PDFInfo
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Abstract
The invention discloses an updating method, a device, equipment and a storage medium without interrupting service, aiming at the problem that the existing updating mode couples the software updating action of the updating service with the software updating action of a super-fusion system and the updating service can not provide new updating service as expected, the updating maintenance work of the updating service and the updating maintenance work of the super-fusion software are decoupled, after the updating and the reloading of the updating service software, the updating work of the updating service software can be completed in the early stage without interrupting the updating service, and a local YUM warehouse is configured at an updating control node and YUM repo based on an HTTP protocol is provided as an online software source in a super-fusion system cluster; and configuring the Yum repo of each node in the super-fusion system cluster to point to the repo address of the online software source, so that the condition that the ISO is distributed to each node is avoided, and the software distribution time in the upgrading process can be relatively reduced.
Description
Technical Field
The invention belongs to the technical field of software upgrading, and particularly relates to an upgrading method, device, equipment and storage medium without interrupting service.
Background
The super-fusion infrastructure is a technical architecture which integrates resources such as calculation, network and storage as infrastructure, can be selected, combined and customized according to specific service system requirements, and can conveniently and quickly build a data center and deploy a service system. SmartX's hyper-converged software platform product name is SMTX OS, which is the leading hyper-converged software platform in the industry at present. Updating iteration of the SMTX OS hyper-fusion software adopts an online non-stop mode to carry out upgrading iteration, and the main work of the part is processed by an upgrading service.
The upgrading service is mainly responsible for upgrading work of the super fusion software in the super fusion cluster, such as cluster upgrading, cluster upgrading progress checking, cluster upgrading history checking, cluster upgrading version list and the like. The upgrading service is not only used as an entrance for upgrading the super-fusion software, but also takes charge of arranging the upgrading process of the super-fusion software and providing a task of a related interface for the visual online upgrading. Considering that the arrangement sequence of the super-fusion software upgrading process changes in the super-fusion software iteration process, the upgrading arrangement configuration of the super-fusion software is managed and controlled by upgrading service, and in this case, the upgrading iteration needs to be performed on the upgrading service first; because the upgrade service not only provides the super-fusion software upgrade flow arrangement work, but also serves as a background service for providing a visual interface, the relevant interface of the upgrade service can be correspondingly adjusted due to the change of the upgrade visual display requirement. At this time, the upgrade service also needs to be upgraded first.
Considering that the upgrade service needs to provide a service continuously, when the upgrade service software itself is upgraded, it is necessary to avoid a situation that the upgrade service is interrupted during the upgrade process, for example, the service is restarted to cause an interruption.
The existing upgrading mode couples the software upgrading action of the upgrading service with the software upgrading action of the super-fusion system, and the overloading mode used after upgrading the software package of the upgrading service cannot achieve the actual overloading expectation, so that the upgrading service code of the reloading new version cannot be completed, the upgrading service cannot provide new upgrading service according to the expectation (for example, adjustment of arranging action of the super-fusion software upgrading action, the requirement of a newly added part of an interface of the upgrading service for visual display and the like), and serious potential safety hazards (for example, unexpected state of a key component after upgrading and the like) exist after upgrading the super-fusion system software.
Disclosure of Invention
The invention aims to provide a method, a device, equipment and a storage medium for upgrading without interrupting service, which decouple the upgrading maintenance work of the upgrading service and the upgrading maintenance work of the hyper-fusion software, can reduce the complexity in the upgrading process and independently control to avoid mutual influence.
In order to solve the problems, the technical scheme of the invention is as follows:
an updating method without interrupting service is used for updating service of a super-convergence system, and comprises the following steps:
configuring a local Yum warehouse of an upgrade control node, and providing Yum repo based on an HTTP protocol as an online software source in the super-fusion system cluster; the upgrade control node is a node for mounting an upgrade software package ISO;
configuring YUm repo of an upgrade control node, and configuring the address of the reply where the YUm repo of each node in the super-fusion system cluster points to the online software source; and upgrading the software package of the upgrading service for each node in the super fusion system cluster, and performing hot reloading without interrupting the service to complete the software upgrading of the upgrading service for each node in the super fusion system cluster.
According to an embodiment of the present invention, the configuring Yum repo of the upgrade control node further includes:
and starting the HTTP Server in a mount directory of the upgrade software package by adopting a SimpleHTTPServer provided by python, and configuring a monitoring port to enable Yum repo to be available.
According to an embodiment of the present invention, the performing the hot reload without interrupting the service further comprises:
based on a master-worker working mode, a python wsgi server is adopted to send a HUP signal to a master process;
after receiving the HUP signal, the master process queries a signal table registered in an initialization stage according to the type of the HUP signal to obtain a processing function corresponding to the HUP signal; the processing function is a heavy load function;
and the reloading function loads a new configuration file, derives a new worker process, normally closes the old worker process and realizes the hot reloading without interrupting the service.
According to an embodiment of the present invention, the normally closing the old worker process further includes:
and the master process sends a TERM signal to the old worker process, so that the old worker process exits after processing the current request.
According to an embodiment of the present invention, the software upgrading for completing the upgrade service of each node in the super fusion system cluster further includes:
and storing the progress information of the software upgrading of the upgrading service of each node to a database, and acquiring a corresponding interface through an upgrading progress process to provide the corresponding interface for a front-end interface, so that the front-end interface can obtain the progress information of the software upgrading of the current upgrading service through polling.
According to an embodiment of the present invention, after the software upgrade of the upgrade service of each node in the super fusion system cluster is completed, the method further includes:
and realizing software upgrading of the super-fusion system through the upgrading service after software upgrading.
An uninterrupted service upgrade device for upgrading services of a super-converged system, comprising:
the ISO mounting module is used for configuring a local Yum warehouse of the upgrade control node and providing Yum repo based on an HTTP protocol as an online software source in the super-fusion system cluster; the upgrade control node is a node for mounting an upgrade software package ISO;
the service upgrading module is used for configuring the Yum repo of the upgrading control node and configuring the address of the Yum repo of each node in the super fusion system cluster pointing to the repo where the online software source is located; and upgrading the software package of the upgrading service for each node in the super fusion system cluster, and performing hot reloading without interrupting the service to complete the software upgrading of the upgrading service for each node in the super fusion system cluster.
According to an embodiment of the present invention, the upgrade apparatus for uninterrupted service further includes:
the progress query module is used for storing the progress information of the software upgrading of the upgrading service of each node to the database, and acquiring a corresponding interface through the upgrading progress process to provide the corresponding interface for the front-end interface, so that the front-end interface can obtain the progress information of the software upgrading of the current upgrading service through polling;
and the system upgrading module is used for realizing software upgrading of the super-fusion system through the upgrading service after the software upgrading.
An upgrade apparatus without service interruption, comprising:
a memory having instructions stored therein and a processor, the memory and the processor interconnected by a line;
the processor calls the instruction in the memory to realize the upgrading method of the uninterrupted service in the embodiment of the invention.
A computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a method of upgrading an uninterrupted service in an embodiment of the invention.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
1) the method for upgrading uninterrupted service in one embodiment of the invention aims at the problems that the existing upgrading mode couples the software upgrading action of the upgrading service with the software upgrading action of the hyper-fusion system, the overloading mode used after upgrading the upgrading service software package cannot reach the actual overload expectation, the upgrading service cannot finish the upgrading service code of the reloaded new version, and the upgrading service cannot provide new upgrading service according to the expectation The upgrading service software can be enabled to take effect through hot reloading instead of restarting the service after being upgraded by newly adding the relevant interfaces of the upgrading service, so that the upgrading effect of the upgrading service without interruption is achieved.
2) In the method for upgrading uninterrupted service in one embodiment of the invention, a local Yum warehouse is configured at an upgrading control node, and Yum repo based on an HTTP protocol is provided as an online software source in a hyper-convergence system cluster; and configuring the Yum repo of each node in the super-fusion system cluster to point to the repo address of the online software source, so that the condition that the ISO (software source) is distributed to each node is avoided, and the software distribution time in the upgrading process can be relatively reduced.
Drawings
FIG. 1 is a flowchart of an upgrade method for uninterrupted service according to an embodiment of the present invention;
FIG. 2 is a flow chart of a software upgrade for an upgrade service in an embodiment of the present invention;
FIG. 3 is a block diagram of an apparatus for upgrading uninterrupted service in an embodiment of the invention;
fig. 4 is a schematic diagram of an upgrade apparatus for uninterrupted service according to an embodiment of the present invention.
Detailed Description
The present invention provides a method, an apparatus, a device and a storage medium for upgrading an uninterrupted service, which are described in detail below with reference to the accompanying drawings and specific embodiments. Advantages and features of the present invention will become apparent from the following description and from the claims.
Example one
The embodiment provides an upgrading method for uninterrupted service of an upgrading service of an ultra-fusion system, aiming at the problems that the existing upgrading mode couples the software upgrading action of the upgrading service with the software upgrading action of the ultra-fusion system, and the overloading mode used after upgrading the software package of the upgrading service cannot reach the actual overloading expectation, so that the upgrading service code of the new reloading version cannot be completed, the upgrading service cannot provide new upgrading service according to the expectation (for example, the adjustment of the editing action of the upgrading software, the newly added part of interface of the upgrading service for the visual display requirement and the like), and if serious, the serious potential safety hazard (for example, the unexpected state after upgrading of a key component and the like) exists after upgrading the software of the ultra-fusion system, the software upgrading is firstly carried out on the upgrading service, the node issuing the upgrading request of the upgrading service is used as a control node for upgrading the upgrading service, the upgrading process comprises the following steps:
the method comprises the steps of uploading upgrading, configuring an upgrading service upgrading software source by using ISO- > issuing an upgrading service upgrading request- > upgrading the upgrading service software of each node- > carrying out hot reloading on the upgrading service of each node- > finishing upgrading the upgrading service.
After the software upgrading and the hot reloading of the upgrading service are completed through the process, the upgrading action of the super fusion software can be started in real time subsequently. The method decouples the upgrading maintenance work of the upgrading service and the upgrading maintenance work of the super-fusion software, can reduce the complexity in the upgrading process, and is independently controlled to avoid mutual influence.
Specifically, referring to fig. 1, the method for upgrading an uninterrupted service includes the following steps:
s1: configuring a local Yum warehouse of an upgrade control node, and providing Yum repo based on an HTTP protocol as an online software source in the super-fusion system cluster; the upgrade control node is a node for mounting an upgrade software package ISO;
s2: configuring YUm repo of an upgrade control node, and configuring a repo address of each node in the super-fusion system cluster, wherein the YUm repo of each node points to the location of the online software source; and upgrading the software package of the upgrading service for each node in the super fusion system cluster, and performing hot reloading without interrupting the service to complete the software upgrading of the upgrading service for each node in the super fusion system cluster.
In step S1, the to-be-upgraded software package ISO is uploaded. The role of ISO is to configure the upgrade software source by configuring the local Yum repository at the upgrade control node (the node where the ISO is located) and providing Yum repo based on the HTTP protocol.
The existing upgrading mode does not adopt Yum repo through HTTP protocol, but distributes ISO from control node to all other nodes of cluster, and then configures ISO as local Yum repo to provide upgrading use as software source. In consideration of the fact that the upgrading ISO generally occupies a large space, distribution among nodes of the cluster is carried out in such a mode, and time consumption is high.
Referring to fig. 2, the present embodiment adopts a new upgrade method: and the ISO is mounted on the control node and the Yum repo of the HTTP is configured to be used as an online software source in the cluster, so that more time consumption can be reduced. The control node herein refers to a certain node of the super-converged system, for example, the super-converged system is 5 nodes, and then the control node is one of the nodes. When IP of a certain node enters a management console and uploads ISO, the node is used as a control node for subsequent upgrade action in the subsequent upgrade.
In step S2, the software upgrade is performed on the upgrade service, which mainly includes the following steps:
1. upgrading the configuration of the Yum repo of the control node;
2. each node of the super fusion system cluster increases Yum repo to point to a repo address configured by an upgrade software source configured by the upgrade control node in the first step;
3. upgrading the upgrading service software package of each node of the cluster;
4. issuing a hot load instruction to each node upgrading service software of the cluster;
5. and finishing the upgrading work of the upgrading service software.
Wherein, the configuration of Yum repo is carried out based on the following mode:
A. mounting an ISO to a certain directory of control nodes;
B. starting an HTTP Server in a mounting directory by using a SimpleHTTPServer provided by python and configuring and monitoring an available port, such as 8090 (the used port needs to ensure that no other service is used, so that the problem of port conflict is avoided); after the HTTPServer is started, the Yum repo is already in the available state.
C. Configuring corresponding Yum repo on the node needing to use the repo (configuring the repo for all nodes of the cluster in an upgrade scene), wherein the configuration example is as follows:
[smartxos]
name＝smartxos
baserul＝http://10.10.64.100:8080/
gpgcheck＝0
enabled＝1
D. each node Yum can use Yum repo with ISO as software source to update and install software.
The hot reload mechanism for the upgrade service is as follows:
the existing upgrading is based on a built-in reloading mode of python, and the reloading function cannot effectively reload updated upgrading service software, so that the embodiment is adjusted. In the embodiment, a new python wsgi server (based on a master-worker working mode, and a sub-process is responsible for processing a server request) is used, so that the wsgi server works based on a master-worker form, and the aim of reloading a working process is fulfilled by sending a signal to the master process. The embodiment supports the hot reloading of the uninterrupted service after the upgrade service software package is upgraded by the characteristic of the wsgi server.
In particular, the wsgi server is an open source component, Gunicorn, that is more popular in python. Gunicorn adopts the working model of pre _ fork, i.e. there is one master process and several worker processes to handle client requests. Wherein, the master process does not process the request, and only the worker process can process the request. The master process is responsible for managing the worker processes, such as processing requests based on configuration files by using a corresponding number of worker processes in the boot stage fork, and registering signals that the master process needs to process in the initialization stage, where the signals include the HUP signals used in this embodiment, and the HUP signals can reload the configuration, start a new work process using the new configuration, and normally close an old work process.
When a HUP signal is sent to the master process, the execution flow is as follows:
1, wsgi server sends HUP signal to master process;
2, receiving the HUP signal by the master process, then inquiring a signal table registered in an initialization stage according to the signal type, and acquiring a processing function corresponding to the HUP signal; the processing function is a reload function, and a new configuration file is loaded inside the function and a corresponding number of new worker processes in the fork corresponding configuration are loaded; and aiming at the old worker process, the master process sends a TERM signal to the old worker process, so that the old worker process quits after the current request is processed.
The specific example of the above process is as follows:
1. the current running master process and worker process are as follows:
it can be seen that the master process is 1706 and the worker process is 9412.
2. At this time, a command is sent to the master process to reload the worker process through the following commands: kill-s HUP 1706
3. After sending the HUP signal, one can look at the corresponding processes as follows:
it can be seen that the worker process number has become 85247 and the original 9412 process has exited.
The process that is followed after receiving the HUP signal can be seen more clearly by the following log:
2021-11-03 16:10:03[1706][INFO]Handling signal:hup
2021-11-03 16:10:03[1706][INFO]Hang up:Master
2021-11-03 16:10:03[9412][INFO]Worker exiting(pid:9412)
2021-11-03 16:10:03[85247][INFO]Booting worker with pid:85247
in the process of upgrading the upgrade service software, the related progress information of the upgrade is stored in the database and is provided to the front end by the upgrade progress acquisition interface, and the front end polls for inquiry and displays the inquiry on the interface so that a user can explicitly sense the upgrade state of the current upgrade service software.
After the software upgrading of the upgrading service of each node in the super-fusion system cluster is completed, the software upgrading of the super-fusion system can be realized through the upgrading service after the software upgrading. For example, the arrangement sequence in the upgrading process of the super fusion software is adjusted, the interface related to the upgrading service is newly added, and the like, the upgrading service software can be enabled to take effect through hot reloading instead of a service restarting mode after being upgraded, so that the upgrading effect of the upgrading service is achieved without interruption.
The uninterrupted service upgrading method in the embodiment decouples the upgrading maintenance work of the upgrading service and the upgrading maintenance work of the super-fusion system software, can reduce the complexity in the upgrading process, and is independently controlled to avoid mutual influence. The method comprises the steps that a local Yum warehouse is configured at an upgrade control node, and Yum repo based on an HTTP protocol is provided to serve as an online software source in a super-fusion system cluster; and configuring the Yum repo of each node in the super-fusion system cluster to point to the repo address of the online software source, and adjusting the existing software distribution mode, so that the condition that the ISO is distributed to each node is avoided, and the software distribution time in the upgrading process can be relatively reduced.
Example two
The present embodiment provides an upgrading apparatus without service interruption, which is used for upgrading services of a super convergence system, please refer to fig. 3, the apparatus includes:
the ISO mounting module 1 is used for configuring a local Yum warehouse of the upgrade control node and providing Yum repo based on an HTTP protocol as an online software source in the super-fusion system cluster; the upgrade control node is a node for mounting an upgrade software package ISO;
the service upgrading module 2 is used for configuring the Yum repo of the upgrading control node and configuring the address of the Yum repo of each node in the super fusion system cluster pointing to the repo where the online software source is located; upgrading the software package of the upgrading service for each node in the super fusion system cluster, and performing hot reloading without interrupting the service to complete the software upgrading of the upgrading service for each node in the super fusion system cluster;
the progress query module 3 is used for storing the progress information of the software upgrading of the upgrading service of each node to a database, and acquiring a corresponding interface through an upgrading progress process to provide the corresponding interface for a front-end interface, so that the front-end interface can obtain the progress information of the software upgrading of the current upgrading service through polling;
and the system upgrading module 4 is used for realizing software upgrading of the super fusion system through the upgrading service after software upgrading.
The uninterrupted service upgrading device in this embodiment is a product corresponding to the uninterrupted service upgrading method in the first embodiment, and the functions and implementation methods of the ISO mount module 1, the service upgrading module 2, the progress query module 3, and the system upgrading module 4 in the uninterrupted service upgrading device are all as described in the first embodiment, and are not described herein again.
EXAMPLE III
The embodiment provides an upgrading device without interrupting service. Referring to fig. 4, the uninterrupted service upgrade apparatus 500 may have relatively large differences due to configuration or performance differences, and may include one or more processors (CPUs) 510 (e.g., one or more processors) and memory 520, one or more storage media 530 (e.g., one or more mass storage devices) storing applications 533 or data 532. Memory 520 and storage media 530 may be, among other things, transient or persistent storage. The program stored on the storage medium 530 may include one or more modules (not shown), each of which may include a series of instruction operations in the upgrade apparatus 500 for uninterrupted service.
Further, the processor 510 may be configured to communicate with the storage medium 530 to execute a series of instruction operations in the storage medium 530 on the upgrade apparatus 500 without interrupting the service.
The uninterrupted service upgrade apparatus 500 may also include one or more power supplies 540, one or more wired or wireless network interfaces 550, one or more input-output interfaces 560, and/or one or more operating systems 531, such as Windows Server, Vista, and the like.
It will be appreciated by those skilled in the art that the upgrade facility without service interruption configuration shown in fig. 4 does not constitute a limitation of the upgrade facility without service interruption, and may include more or fewer components than shown, or some components may be combined, or a different arrangement of components.
The present invention also provides a computer-readable storage medium, which may be a non-volatile computer-readable storage medium, and which may also be a volatile computer-readable storage medium. The computer-readable storage medium has stored therein instructions that, when executed on a computer, cause the computer to perform the steps of the method for upgrading an uninterrupted service of the first embodiment.
The modules in the second embodiment, if implemented in the form of software functional modules and sold or used as independent products, can be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be substantially or partially implemented in software, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and devices may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, they are still within the scope of the present invention provided that they fall within the scope of the claims of the present invention and their equivalents.
Claims (10)
1. An updating method without interrupting service, which is used for updating service of a super-convergence system, and is characterized by comprising the following steps:
configuring a local Yum warehouse of an upgrade control node, and providing Yum repo based on an HTTP protocol as an online software source in the super-fusion system cluster; the upgrading control node is a node for mounting an upgrading software package ISO;
configuring YUm repo of an upgrade control node, and configuring the address of the reply where the YUm repo of each node in the super-fusion system cluster points to the online software source; and upgrading the software package of the upgrading service for each node in the super fusion system cluster, and performing hot reloading without interrupting the service to complete the software upgrading of the upgrading service for each node in the super fusion system cluster.
2. The method for upgrading an uninterrupted service according to claim 1, wherein configuring Yum repo of the upgrade control node further comprises:
and starting the HTTP Server in a mount directory of the upgrade software package by adopting a SimpleHTTPServer provided by python, and configuring a monitoring port to enable Yum repo to be available.
3. The method for upgrading an uninterrupted service according to claim 1, wherein said performing a hot reload of the uninterrupted service further comprises:
based on a master-worker working mode, adopting a python wsgi server to send a HUP signal to a master process;
after receiving the HUP signal, the master process queries a signal table registered in an initialization stage according to the type of the HUP signal to obtain a processing function corresponding to the HUP signal; the processing function is a heavy load function;
and the reloading function loads a new configuration file, derives a new worker process, normally closes the old worker process and realizes the hot reloading without interrupting the service.
4. The method for upgrading uninterrupted service according to claim 3, wherein normally shutting down the old worker process further comprises:
and the master process sends a TERM signal to the old worker process, so that the old worker process exits after processing the current request.
5. The uninterrupted service upgrade method of claim 1, wherein completing the software upgrade of the upgrade service for each node in the hyper-converged system cluster further comprises:
and storing the progress information of the software upgrading of the upgrading service of each node into a database, and acquiring a corresponding interface through the upgrading progress process to provide the corresponding interface for the front-end interface, so that the front-end interface can obtain the progress information of the software upgrading of the current upgrading service through polling.
6. The uninterrupted service upgrade method according to claim 1, wherein the step of completing the software upgrade of the upgrade service of each node in the hyper-converged system cluster further comprises:
and realizing software upgrading of the super-fusion system through the upgrading service after software upgrading.
7. An uninterrupted service upgrade device for upgrading services of a super-converged system, comprising:
the ISO mounting module is used for configuring a local Yum warehouse of the upgrade control node and providing Yum repo based on an HTTP protocol as an online software source in the super-fusion system cluster; the upgrade control node is a node for mounting an upgrade software package ISO;
the service upgrading module is used for configuring the Yum repo of the upgrading control node and configuring the address of the repo where the Yum repo of each node in the super-fusion system cluster points to the online software source; and upgrading the software package of the upgrading service for each node in the super fusion system cluster, and performing hot reloading without interrupting the service to complete the software upgrading of the upgrading service for each node in the super fusion system cluster.
8. The uninterrupted service upgrade apparatus according to claim 7, further comprising:
the progress query module is used for storing the progress information of the software upgrading of the upgrading service of each node to the database, and acquiring a corresponding interface through the upgrading progress process to provide the corresponding interface for the front-end interface, so that the front-end interface can obtain the progress information of the software upgrading of the current upgrading service through polling;
and the system upgrading module is used for realizing software upgrading of the super-fusion system through the upgrading service after the software upgrading.
9. An upgrade apparatus without service interruption, comprising:
a memory having instructions stored therein and a processor, the memory and the processor interconnected by a line;
the processor invokes the instructions in the memory to implement the method for upgrading an uninterrupted service as claimed in any one of claims 1-6.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out a method of upgrading an uninterrupted service according to any one of claims 1-6.
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