CN113467993A - Method, system, equipment and storage medium for restoring cloud platform resources - Google Patents
Method, system, equipment and storage medium for restoring cloud platform resources Download PDFInfo
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- 238000004590 computer program Methods 0.000 claims description 10
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- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
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Abstract
The application discloses a cloud platform resource restoration method, which comprises the following steps: selecting a resource to be backed up, and backing up metadata corresponding to the resource to be backed up in a preset storage device; after receiving a reduction instruction aiming at the resource, judging whether to reduce the original naming space of the resource or not; if yes, reading the metadata backed up in the storage device, and performing local restoration of resources; if not, reading the metadata backed up in the storage device, synchronizing the metadata by using the monitored metadata change information, and creating a resource corresponding to the synchronized metadata in a target namespace required by the restore instruction. By applying the scheme of the application, local restoration and local migration of resources can be rapidly and conveniently carried out, and the consistency of data is guaranteed. The application also provides a restoration system, equipment and a storage medium of the cloud platform resources, and the restoration system, the equipment and the storage medium have corresponding technical effects.
Description
Technical Field
The invention relates to the technical field of servers, in particular to a method, a system, equipment and a storage medium for restoring cloud platform resources.
Background
In the container technology era, a large number of service application scenarios are technically clouded through container orchestration, for example, kubernets, which is a commonly used tool for managing containerization on multiple hosts in a cloud platform, is an open source, and application deployment, planning, updating and maintenance can be performed.
Metadata corresponding to a cloud service scene and user service data are important data assets of a user, when the user performs unpredictable operations, such as mistakenly deleting a service component, the metadata can be recovered for a long time, and even important data can be lost in some occasions. In addition, when a user performs resource migration in a cluster, the user needs to adjust related parameters after the migration is completed, so that the continuity of a service scene is poor, that is, the service can be recovered in a long time, and the situation that the migrated resources are inconsistent with the original resources is also easy to occur when the resource migration is performed.
In summary, if local restoration and local migration of resources are performed quickly and conveniently to ensure data consistency, it is a technical problem that those skilled in the art need to solve urgently.
Disclosure of Invention
The invention aims to provide a method, a system, equipment and a storage medium for restoring cloud platform resources, so that local restoration and local migration of the resources can be performed quickly and conveniently, and the consistency of data is guaranteed.
In order to solve the technical problems, the invention provides the following technical scheme:
a method for restoring cloud platform resources comprises the following steps:
selecting a resource to be backed up, and backing up metadata corresponding to the resource to be backed up in a preset storage device;
after receiving a reduction instruction for the resource, judging whether to reduce the original name space of the resource;
if yes, reading the metadata backed up in the storage device, and performing local restoration of the resources;
if not, reading the metadata backed up in the storage device, synchronizing the metadata by using the monitored metadata change information, and creating a resource corresponding to the synchronized metadata in a target namespace required by the restoration instruction.
Preferably, after determining that the restoration is not performed in the original namespace of the resource, the method further includes:
judging whether to synchronize user service data;
if yes, a synchronization instruction is sent to a back-end storage device used for storing the user service data, so that the back-end storage device can perform user service data synchronization.
Preferably, the preset storage device is an object storage device compatible with the S3 object storage protocol.
Preferably, the synchronizing the metadata by using the monitored metadata variation information includes:
and carrying out real-time synchronization on the metadata by using the monitored metadata change information.
Preferably, after the local restoration of the resource is performed, or after the resource corresponding to the synchronized metadata is created, the event recording is performed.
Preferably, the resource to be backed up is a resource in a kubernets cloud platform, and the metadata corresponding to the resource is kubernets metadata.
A cloud platform resource restoration system comprising: backup device, restoring device and synchronizing device;
the backup device is used for selecting the resources to be backed up and backing up the metadata corresponding to the resources to be backed up in a preset storage device;
the restoring device is used for judging whether to restore the original naming space of the resource after receiving a restoring instruction aiming at the resource; if yes, the restoring device is used for reading the metadata backed up in the storage device and performing local restoration of the resources; if not, the restoring device is used for reading the metadata backed up in the storage device and triggering the synchronizing device;
and the synchronization device is used for synchronizing the metadata by using the monitored metadata change information and creating a resource corresponding to the synchronized metadata in a target namespace required by the restoration instruction.
Preferably, the reduction apparatus is further configured to: after judging that the original naming space of the resources is not restored, judging whether to synchronize user service data;
if so, the synchronization device is further configured to: and sending a synchronization instruction to a back-end storage device for storing the user service data so as to enable the back-end storage device to carry out user service data synchronization.
A cloud platform resource restoration device, comprising:
a memory for storing a computer program;
a processor configured to execute the computer program to implement the steps of the cloud platform resource restoration method described in any one of the above.
A computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the method for restoring cloud platform resources of any of the above.
By applying the technical scheme provided by the embodiment of the invention, in addition to the storage of the metadata in the database of the cloud platform, the storage device is specially arranged, and the storage device can back up the metadata corresponding to the resource to be backed up, so that after the restoration instruction for the resource is received, if the restoration is performed in the original namespace of the resource, the metadata backed up in the storage device can be directly read, and the local restoration of the resource is performed. That is to say, if a situation that, for example, a user deletes a service component by mistake occurs, the scheme of the application can quickly and conveniently perform local restoration of resources through metadata backup of the storage device, so that important data of the user cannot be lost, and quick recovery of the service is guaranteed. If the resource is judged not to be restored in the original namespace of the resource, the metadata backed up in the storage device is read, the metadata is synchronized by using the monitored metadata change information, and the resource corresponding to the synchronized metadata is created in the target namespace required by the restoration instruction. Due to the fact that the corresponding resources are synchronously created, the business can be immediately recovered after the local migration of the resources is completed, continuity of a business scene is enhanced, and time consumption of business recovery is reduced. Meanwhile, because the metadata is synchronized, the error probability in the local migration process of the resources can be effectively reduced. In summary, the local restoration and the local migration of the resources can be rapidly and conveniently performed under the condition of the scheme of the application, and the consistency of the data is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flowchart illustrating an implementation of a method for restoring cloud platform resources according to the present invention;
fig. 2 is a schematic structural diagram of a cloud platform resource restoration system according to the present invention.
Detailed Description
The core of the invention is to provide a cloud platform resource restoration method, which can quickly and conveniently carry out local restoration and local migration of resources and ensure the consistency of data.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a flowchart illustrating an implementation of a cloud platform resource restoration method according to the present invention, where the cloud platform resource restoration method may include the following steps:
step S101: selecting a resource to be backed up, and backing up metadata corresponding to the resource to be backed up in a preset storage device.
Specifically, one resource to be backed up may be selected, or multiple resources to be backed up may also be selected. In addition, in practical applications, for convenience of operation, one or more namespaces may be directly selected, and when a certain namespace is selected, it is indicated that all resources in the namespace need to be backed up.
In addition, it can be understood that specific resources that need to be backed up according to the scheme of the present application may be set according to actual needs, and in actual applications, resources corresponding to user important services may generally be backed up according to the scheme of the present application.
After the resource to be backed up is selected, the backup device may back up the metadata corresponding to the resource to be backed up in a preset storage device, for example, in the embodiment of fig. 2, the backup device backs up the metadata corresponding to the resource to be backed up in the preset storage device. The resource to be backed up may be a stateful load, a stateless load, a common configuration, an encrypted configuration, a service, or the like.
In practical application, the preset storage device can be specifically selected as an object storage device, and the method has the advantages of high storage efficiency, high utilization rate of storage space, load balance, convenience in realizing scale effect and elastic expansion, avoidance of resource waste and the like.
Further, considering that the solution of the present application needs to use the storage device for storing the metadata and then to be able to read the metadata from the storage device, an object storage device compatible with the S3 object storage protocol may be generally selected to support the storage and reading of the metadata.
The cloud platform of the application can be usually put into a Kubernets cloud platform deployed by an operating system based on a single architecture, correspondingly, the resources to be backed up can be usually resources in the Kubernets cloud platform, and metadata corresponding to the resources is Kubernets metadata, which is usually also referred to as K8s metadata for short.
Step S102: after receiving a restore instruction for a resource, determining whether to restore in an original namespace of the resource.
The restoration instruction for the resource may carry the content of the resource and the target position of restoration, and of course, other content may be set as required in the actual application.
Whether the original name space of the resource is restored or not can be judged by the restoring device, if so, the local restoration of the resource is carried out, and synchronous operation is not needed.
Specifically, after determining that the original namespace of the resource is restored, step S103 may be executed: and reading the metadata backed up in the storage device and performing local restoration of the resources.
When local restoration of the resource is performed, the restoring apparatus may read the metadata backed up in the storage apparatus, and create the resource corresponding to the metadata in the original namespace.
If it is determined that the resource is not restored in the original namespace, the intra-cluster migration of the resource is performed, which may also be referred to as a local migration of the resource, for example, in the case of fig. 2, two cases of local restoration and local migration of the resource a are shown.
When the migration of the resource is performed locally, step S104 needs to be executed: and reading the metadata backed up in the storage device, synchronizing the metadata by using the monitored metadata change information, and creating a resource corresponding to the synchronized metadata in a target namespace required by the restore instruction.
Specifically, the restoring apparatus may read the metadata backed up in the storage apparatus, and write the determination result of whether to restore the original namespace of the resource in the restoration result resource to trigger the synchronizing apparatus.
In the local migration of the resource, the synchronization device may synchronize the metadata by using the monitored metadata change information, for example, in a specific occasion, the change condition of the metadata may be monitored by using an API service in the cloud platform, so that when the resource corresponding to the synchronized metadata is created in the target namespace required by the restore instruction, the created resource is already a resource meeting the user requirement, and no resource adjustment is required, that is, the service may be immediately recovered after the local migration of the resource is completed, thereby enhancing the continuity of the service scenario and reducing the time consumption for service recovery. And because the metadata is synchronized, the error probability in the local migration process of the resources can be effectively reduced.
In an embodiment of the present invention, the synchronizing the metadata with the monitored metadata change information described in step S104 may specifically include:
and carrying out real-time synchronization on the metadata by using the monitored metadata change information.
In this embodiment, it is considered that, when performing synchronization of metadata, one time may be selected to be performed when triggering step S104, or periodic synchronization may be selected, and in order to guarantee the performance of the scheme, real-time synchronization may be generally defaulted, that is, as long as metadata in the cloud platform database is changed, the synchronization apparatus may immediately monitor and perform real-time synchronization of metadata.
Of course, in other cases, the synchronization period may be set as needed, and the implementation of the present invention is not affected.
Further, in an embodiment of the present invention, after determining that the resource is not restored in the original namespace, the method may further include:
judging whether to synchronize user service data;
if yes, a synchronization instruction is sent to a back-end storage device used for storing the user service data, so that the back-end storage device can perform user service data synchronization.
The business data of the user, which may also be referred to as PV user data, is the business data generated by the user when operating the cluster resources of the cloud platform, and the data eventually falls to the disk.
In this embodiment, it is considered that, in addition to synchronization of metadata, service data of a user may change in some cases when local migration of resources is performed. In order to ensure that the service data of the user is not lost or damaged in the process of local migration of the resource, in the embodiment, after judging that the resource is not restored in the original namespace, whether the service data of the user is synchronized can be further judged, if so, a synchronization instruction can be sent to a rear-end storage device for storing the service data of the user by a synchronization device, so that the rear-end storage device can synchronize the service data of the user, and the scheme of the application can effectively guarantee the safety of the service data of the user when the local migration of the resource is carried out.
In a specific embodiment of the present invention, after the local restoration of the resource is performed, or after the resource corresponding to the synchronized metadata is created, event recording may be performed, which is beneficial to performing subsequent analysis of the history data when needed.
By applying the technical scheme provided by the embodiment of the invention, in addition to the storage of the metadata in the database of the cloud platform, the storage device is specially arranged, and the storage device can back up the metadata corresponding to the resource to be backed up, so that after the restoration instruction for the resource is received, if the restoration is performed in the original namespace of the resource, the metadata backed up in the storage device can be directly read, and the local restoration of the resource is performed. That is to say, if a situation that, for example, a user deletes a service component by mistake occurs, the scheme of the application can quickly and conveniently perform local restoration of resources through metadata backup of the storage device, so that important data of the user cannot be lost, and quick recovery of the service is guaranteed. If the resource is judged not to be restored in the original namespace of the resource, the metadata backed up in the storage device is read, the metadata is synchronized by using the monitored metadata change information, and the resource corresponding to the synchronized metadata is created in the target namespace required by the restoration instruction. Due to the fact that the corresponding resources are synchronously created, the business can be immediately recovered after the local migration of the resources is completed, continuity of a business scene is enhanced, and time consumption of business recovery is reduced. Meanwhile, because the metadata is synchronized, the error probability in the local migration process of the resources can be effectively reduced. In summary, the local restoration and the local migration of the resources can be rapidly and conveniently performed under the condition of the scheme of the application, and the consistency of the data is guaranteed.
Corresponding to the above method embodiment, the embodiment of the present invention further provides a system for restoring cloud platform resources, which can be referred to in correspondence with the above.
Referring to fig. 2, a schematic structural diagram of a cloud platform resource restoration system in the present invention includes: a backup device 201, a restore device 202, and a synchronization device 203;
a backup device 201, configured to select a resource to be backed up, and backup metadata corresponding to the resource to be backed up in a preset storage device;
the restoring device 202 is configured to determine whether to restore the original namespace of the resource after receiving a restoring instruction for the resource; if yes, the restoring device 202 is used for reading the metadata backed up in the storage device and performing local restoration of the resource; if not, the restoring device 202 is used for reading the metadata backed up in the storage device and triggering the synchronizing device 203;
and a synchronization device 203 for synchronizing the metadata by using the monitored metadata change information, and creating a resource corresponding to the synchronized metadata in a target namespace required by the restore instruction.
In an embodiment of the present invention, the reduction apparatus 202 is further configured to: after judging that the resources are not restored in the original naming space, judging whether to synchronize user service data;
if so, the synchronization means 203 is further configured to: and sending a synchronization instruction to a back-end storage device for storing the user service data so as to enable the back-end storage device to carry out user service data synchronization.
In an embodiment of the present invention, the predetermined storage device is an object storage device compatible with the S3 object storage protocol.
In an embodiment of the present invention, the synchronization device 203 for synchronizing the metadata by using the monitored metadata variation information specifically includes:
the synchronizer 203 synchronizes the metadata in real time using the monitored metadata variation information.
In one embodiment of the present invention, the method further comprises:
and the recording device is used for recording the event after local restoration of the resource is carried out or after the resource corresponding to the synchronized metadata is created.
In a specific embodiment of the present invention, the resource to be backed up is a resource in a kubernets cloud platform, and the metadata corresponding to the resource is kubernets metadata.
Corresponding to the above method and system embodiments, the embodiments of the present invention further provide a cloud platform resource restoring device and a computer-readable storage medium, which may be referred to in correspondence with the above. The computer readable storage medium has a computer program stored thereon, and the computer program, when executed by a processor, implements the steps of the method for restoring cloud platform resources in any of the above embodiments. A computer-readable storage medium as referred to herein may include Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The cloud platform resource restoration device may include:
a memory for storing a computer program;
a processor configured to execute a computer program to implement the steps of the method for restoring cloud platform resources in any of the above embodiments.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The principle and the implementation of the present invention are explained in the present application by using specific examples, and the above description of the embodiments is only used to help understanding the technical solution and the core idea of the present invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A method for restoring cloud platform resources is characterized by comprising the following steps:
selecting a resource to be backed up, and backing up metadata corresponding to the resource to be backed up in a preset storage device;
after receiving a reduction instruction for the resource, judging whether to reduce the original name space of the resource;
if yes, reading the metadata backed up in the storage device, and performing local restoration of the resources;
if not, reading the metadata backed up in the storage device, synchronizing the metadata by using the monitored metadata change information, and creating a resource corresponding to the synchronized metadata in a target namespace required by the restoration instruction.
2. The method for restoring cloud platform resources according to claim 1, further comprising, after determining that restoration is not performed in the original namespace of the resources:
judging whether to synchronize user service data;
if yes, a synchronization instruction is sent to a back-end storage device used for storing the user service data, so that the back-end storage device can perform user service data synchronization.
3. The method for restoring cloud platform resources according to claim 1, wherein the preset storage device is an object storage device compatible with an S3 object storage protocol.
4. The method for restoring cloud platform resources according to claim 1, wherein the synchronizing the metadata using the monitored metadata change information includes:
and carrying out real-time synchronization on the metadata by using the monitored metadata change information.
5. The method for restoring the cloud platform resource according to claim 1, wherein an event is recorded after the local restoration of the resource is performed or after the resource corresponding to the synchronized metadata is created.
6. The method for restoring cloud platform resources according to any one of claims 1 to 5, wherein the resources to be backed up are resources in a Kubernets cloud platform, and the metadata corresponding to the resources is Kubernets metadata.
7. A cloud platform resource restoration system, comprising: backup device, restoring device and synchronizing device;
the backup device is used for selecting the resources to be backed up and backing up the metadata corresponding to the resources to be backed up in a preset storage device;
the restoring device is used for judging whether to restore the original naming space of the resource after receiving a restoring instruction aiming at the resource; if yes, the restoring device is used for reading the metadata backed up in the storage device and performing local restoration of the resources; if not, the restoring device is used for reading the metadata backed up in the storage device and triggering the synchronizing device;
and the synchronization device is used for synchronizing the metadata by using the monitored metadata change information and creating a resource corresponding to the synchronized metadata in a target namespace required by the restoration instruction.
8. The cloud platform resource restoration system according to claim 7, wherein the restoration device is further configured to: after judging that the original naming space of the resources is not restored, judging whether to synchronize user service data;
if so, the synchronization device is further configured to: and sending a synchronization instruction to a back-end storage device for storing the user service data so as to enable the back-end storage device to carry out user service data synchronization.
9. A cloud platform resource restoration device is characterized by comprising:
a memory for storing a computer program;
a processor for executing the computer program to implement the steps of the method of restoring cloud platform resources of any of claims 1 to 6.
10. A computer-readable storage medium, having stored thereon a computer program which, when executed by a processor, carries out the steps of the method of restoring cloud platform resources according to any one of claims 1 to 6.
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