CN111857959A - Method, system, equipment and medium for Docker mirror image synchronization of cross-local area network - Google Patents
Method, system, equipment and medium for Docker mirror image synchronization of cross-local area network Download PDFInfo
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Abstract
The invention discloses a method, a system, equipment and a storage medium for cross-LAN Docker mirror synchronization, wherein the method comprises the following steps: acquiring an identifier of a mirror image in a mirror image warehouse, and checking whether a file under a mounting path of the mirror image warehouse changes or not; in response to the change of the file under the mount path of the mirror image warehouse, checking whether the identifier of the mirror image is the same as the original identifier; binding the mirror image to the address of the target local area network in response to the fact that the identification of the mirror image is the same as the original identification; and pushing the mirror image to the target local area network based on the address, and enabling the mirror image to cover the corresponding original mirror image in the target local area network. According to the scheme provided by the invention, different pushing modes are adopted for different images, so that the Docker image synchronization function under different local area networks is realized, and the Docker images are ensured to be synchronized under different local area network environments.
Description
Technical Field
The present invention relates to the field of mirror synchronization, and more particularly, to a method, a system, a computer device, and a readable medium for cross-lan Docker mirror synchronization.
Background
The container technology provided by Docker (Docker is an open source application container engine, which allows developers to package their applications and dependencies into a portable container, and then distribute them to any popular Linux machine, or implement virtualization) allows several containers (containers) to run on the same host or virtual machine, each container being an independent virtual environment or application. Images are stored in a file system in the form of hierarchical storage, and different images may share certain layers (layers) to save storage space. For warehouse building involving multi-region user access, when uniform management of images is required, image synchronization is a necessary task to ensure that the range of images used by users is not limited to a certain region.
In the prior art, the modes for synchronizing the different types of newly added mirrors are the same, that is, the newly added mirrors are synchronized to all storage warehouses, and are not adaptively changed according to specific situations, so that the resources of the system are greatly wasted, and the load of a cross-local-area-network mirror synchronization host is overlarge during multi-machine synchronization, which easily causes performance loss.
Disclosure of Invention
In view of this, embodiments of the present invention provide a method, a system, a computer device, and a computer readable storage medium for cross-lan Docker image synchronization, which implement a Docker image synchronization function in different lans by using different push methods for different images, and ensure synchronization of Docker images in different lan environments.
Based on the above object, an aspect of the embodiments of the present invention provides a method for synchronization of a Docker image across a local area network, including the following steps: acquiring an identifier of a mirror image in a mirror image warehouse, and checking whether a file under a mounting path of the mirror image warehouse changes or not; in response to the change of the file under the mount path of the mirror image warehouse, checking whether the identifier of the mirror image is the same as the original identifier; binding the mirror image to the address of a target local area network in response to the fact that the identification of the mirror image is the same as the original identification; and pushing the mirror image to a target local area network based on the address, and enabling the mirror image to cover a corresponding original mirror image in the target local area network.
In some embodiments, the checking whether the identity of the mirror image is the same as the original identity includes: and checking whether the name and the label of the mirror image are the same as the original name and label.
In some embodiments, further comprising: and in response to the fact that the name and the label of the mirror image are different from the original name and the label, pushing the mirror image to a target local area network, and respectively storing the mirror image and the original mirror image in the target local area network.
In some embodiments, the verifying whether the identity of the mirror image is the same as the original identity further includes: and in response to the name and the label of the mirror image being the same as the original name and label, checking whether the identification code of the mirror image is the same as the original identification code.
In some embodiments, further comprising: and in response to that the file in the mirror image warehouse mounting path is not changed, mounting the mirror image to the file.
In some embodiments, the pushing the image to the target lan based on the address comprises: and uploading the mirror image to a superior mirror image warehouse, and judging whether the target local area network is the same as the current local area network of the mirror image.
In some embodiments, the pushing the image to the target lan based on the address further comprises: and in response to the fact that the target local area network is different from the current local area network of the mirror image, uploading the mirror image from the upper-level mirror image warehouse to a second upper-level mirror image warehouse, and pushing the mirror image from the second upper-level mirror image warehouse to the mirror image warehouse of the target local area network.
In another aspect of the embodiments of the present invention, a cross-local area network Docker image synchronization system is further provided, including: the first checking module is configured to acquire an identifier of a mirror image in a mirror image warehouse and check whether a file under a mount path of the mirror image warehouse changes; the second checking module is configured to respond to the change of the file under the mirror image warehouse mounting path and check whether the identifier of the mirror image is the same as the original identifier; the address module is configured to bind the mirror image to an address of a target local area network in response to that the identifier of the mirror image is the same as the original identifier; and the pushing module is configured to push the mirror image to a target local area network based on the address and enable the mirror image to cover a corresponding original mirror image in the target local area network.
In another aspect of the embodiments of the present invention, there is also provided a computer device, including: at least one processor; and a memory storing computer instructions executable on the processor, the instructions when executed by the processor implementing the steps of the method as above.
In a further aspect of the embodiments of the present invention, a computer-readable storage medium is also provided, in which a computer program for implementing the above method steps is stored when the computer program is executed by a processor.
The invention has the following beneficial technical effects: by adopting different pushing modes for different mirror images, the synchronization function of the Docker mirror images under different local area networks is realized, and the synchronization of the Docker mirror images under different local area network environments is ensured.
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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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained by using the drawings without creative efforts.
Fig. 1 is a schematic diagram of an embodiment of a method for synchronization of a Docker mirror across a local area network according to the present invention;
fig. 2 is a schematic hardware structure diagram of an embodiment of a cross-local-area-network Docker image synchronization computer device provided in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
Based on the above purpose, a first aspect of the embodiments of the present invention provides an embodiment of a method for synchronization of a Docker image across a local area network. Fig. 1 is a schematic diagram illustrating an embodiment of a method for Docker image synchronization across a local area network according to the present invention. As shown in fig. 1, the embodiment of the present invention includes the following steps:
s1, acquiring the identification of the mirror image in the mirror image warehouse, and checking whether the file under the mounting path of the mirror image warehouse changes;
s2, in response to the change of the file under the mount path of the mirror image warehouse, checking whether the identifier of the mirror image is the same as the original identifier;
s3, responding to the mirror image with the same mark as the original mark, binding the mirror image with the address of the target LAN; and
and S4, pushing the mirror image to the target local area network based on the address, and enabling the mirror image to cover the corresponding original mirror image in the target local area network.
There are multiple mirror image warehouses in each local area network, under which different files are also mounted, and the mirror images of the files can be temporarily stored in the mirror image warehouses.
And acquiring the identification of the mirror image in the mirror image warehouse, and checking whether the file under the mounting path of the mirror image warehouse changes. The identification may include, but is not limited to, a mirror name, a tag, and a mirror identification code, obtain an identification of a corresponding mirror in the mirror repository, and synchronize the mirror name, the tag, and the mirror identification code to the local persistent storage. And checking whether the file under the mirror image warehouse mounting path is changed or not, wherein the checking includes but is not limited to checking whether the data and the name of the file are changed or not.
In some embodiments, further comprising: and in response to that the file in the mirror image warehouse mounting path is not changed, mounting the mirror image to the file. If the file is not changed, the transmission of the file and the mirror image can be omitted, and the mirror image can be directly mounted under the file.
And in response to the change of the file under the mount path of the mirror image warehouse, checking whether the identifier of the mirror image is the same as the original identifier. In some embodiments, the checking whether the identity of the mirror image is the same as the original identity includes: and checking whether the name and the label of the mirror image are the same as the original name and label. If the file is changed, the identity of the mirror image is checked whether is the same as the identity stored in the existing mirror image checker. For example, it may be compared whether the mirrored name and label are the same as the existing stored name and label. Meanwhile, whether the mirror with the same name and label exists in the mirror warehouse or not can be checked, and the mirror with the same mirror name (image name) and label (image tag) is not allowed to exist in the mirror warehouse, for example, the mirror with the name nginx: v1.0 label of nginx: v2.0 is allowed to exist, but the mirror with the name nginx: v1.0 label of nginx: v1.0 is not allowed to exist.
In some embodiments, further comprising: and in response to the fact that the name and the label of the mirror image are different from the original name and the label, pushing the mirror image to a target local area network, and respectively storing the mirror image and the original mirror image in the target local area network.
In some embodiments, the verifying whether the identity of the mirror image is the same as the original identity further includes: and in response to the name and the label of the mirror image being the same as the original name and label, checking whether the identification code of the mirror image is the same as the original identification code. Similarly, if the identification code of the mirror image is different from the original identification code, the mirror image can be pushed to the target local area network, and the mirror image and the original mirror image in the target local area network are respectively stored.
And binding the mirror image to the address of the target local area network in response to the fact that the identification of the mirror image is the same as the original identification.
And pushing the mirror image to the target local area network based on the address, and enabling the mirror image to cover the corresponding original mirror image in the target local area network. On the basis that the file changes but the identification does not, the image can be pushed to the target local area network and the original image is overlaid.
In some embodiments, the pushing the image to the target lan based on the address comprises: and uploading the mirror image to a superior mirror image warehouse, and judging whether the target local area network is the same as the current local area network of the mirror image.
In some embodiments, the pushing the image to the target lan based on the address further comprises: and in response to the fact that the target local area network is different from the current local area network of the mirror image, uploading the mirror image from the upper-level mirror image warehouse to a second upper-level mirror image warehouse, and pushing the mirror image from the second upper-level mirror image warehouse to the mirror image warehouse of the target local area network. For example, the local area network a and the local area network B exist, the local area network B is a target local area network, and the mirror image may be uploaded to a corresponding upper-level mirror image warehouse in the local area network a, then uploaded to a re-upper-level mirror image warehouse common to the local area network a and the local area network B from the upper-level mirror image warehouse, and then pushed to the corresponding upper-level mirror image warehouse in the local area network B from the re-upper-level mirror image warehouse.
The embodiment of the invention checks whether the mirror image is updated according to whether the mirror image identification changes, when the mirror image is sensed to be newly added, a mirror image pusher or a mirror image synchronizer is informed, the mirror image synchronization controller only exists in a mirror image synchronization host, the mirror image synchronization host is divided into a mirror image synchronization host in the same local area network and a mirror image synchronization host across the local area network, the mirror image synchronization host across the local area network is provided with a plurality of network cards which are respectively connected into different local area networks, after the request of the mirror image sensor is received, the mirror image pusher is informed of the address required to be pushed, the mirror image pusher receives mirror image information transmitted by the mirror image synchronization controller and the address required to be pushed, the mirror image is pushed to an appointed mirror image warehouse through a docker push command, and if the address required to be pushed is not appointed, the mirror image is pushed to the address of the upper.
It should be particularly noted that, in the embodiments of the method for Docker mirror synchronization across a local area network, the steps may be intersected, replaced, added, or deleted, and therefore, these methods for Docker mirror synchronization across a local area network, which are reasonably arranged, combined and transformed, should also belong to the scope of the present invention, and should not limit the scope of the present invention to the embodiments.
Based on the above object, a second aspect of the embodiments of the present invention provides a cross-local area network Docker image synchronization system, including: the first checking module is configured to acquire an identifier of a mirror image in a mirror image warehouse and check whether a file under a mount path of the mirror image warehouse changes; the second checking module is configured to respond to the change of the file under the mirror image warehouse mounting path and check whether the identifier of the mirror image is the same as the original identifier; the address module is configured to bind the mirror image to an address of a target local area network in response to that the identifier of the mirror image is the same as the original identifier; and the pushing module is configured to push the mirror image to a target local area network based on the address and enable the mirror image to cover a corresponding original mirror image in the target local area network.
In some embodiments, the second check-up module is further configured to: and checking whether the name and the label of the mirror image are the same as the original name and label.
In some embodiments, further comprising: and the second pushing module is configured to respond that the name and the label of the mirror image are different from the original name and label, push the mirror image to a target local area network, and store the mirror image and the original mirror image in the target local area network respectively.
In some embodiments, the second check-up module is further configured to: and in response to the name and the label of the mirror image being the same as the original name and label, checking whether the identification code of the mirror image is the same as the original identification code.
In some embodiments, further comprising: and the mounting module is configured to mount the mirror image to the file in response to that the file in the mirror image warehouse mounting path is not changed.
In some embodiments, the push module is further configured to: and uploading the mirror image to a superior mirror image warehouse, and judging whether the target local area network is the same as the current local area network of the mirror image.
In some embodiments, the push module is further configured to: and in response to the fact that the target local area network is different from the current local area network of the mirror image, uploading the mirror image from the upper-level mirror image warehouse to a second upper-level mirror image warehouse, and pushing the mirror image from the second upper-level mirror image warehouse to the mirror image warehouse of the target local area network.
In view of the above object, a third aspect of the embodiments of the present invention provides a computer device, including: at least one processor; and a memory storing computer instructions executable on the processor, the instructions being executable by the processor to perform the steps of: s1, acquiring the identification of the mirror image in the mirror image warehouse, and checking whether the file under the mounting path of the mirror image warehouse changes; s2, in response to the change of the file under the mount path of the mirror image warehouse, checking whether the identifier of the mirror image is the same as the original identifier; s3, responding to the mirror image with the same mark as the original mark, binding the mirror image with the address of the target LAN; and S4, pushing the mirror image to the target local area network based on the address, and enabling the mirror image to cover the corresponding original mirror image in the target local area network.
In some embodiments, the checking whether the identity of the mirror image is the same as the original identity includes: and checking whether the name and the label of the mirror image are the same as the original name and label.
In some embodiments, further comprising: and in response to the fact that the name and the label of the mirror image are different from the original name and the label, pushing the mirror image to a target local area network, and respectively storing the mirror image and the original mirror image in the target local area network.
In some embodiments, the verifying whether the identity of the mirror image is the same as the original identity further includes: and in response to the name and the label of the mirror image being the same as the original name and label, checking whether the identification code of the mirror image is the same as the original identification code.
In some embodiments, further comprising: and in response to that the file in the mirror image warehouse mounting path is not changed, mounting the mirror image to the file.
In some embodiments, the pushing the image to the target lan based on the address comprises: and uploading the mirror image to a superior mirror image warehouse, and judging whether the target local area network is the same as the current local area network of the mirror image.
In some embodiments, the pushing the image to the target lan based on the address further comprises: and in response to the fact that the target local area network is different from the current local area network of the mirror image, uploading the mirror image from the upper-level mirror image warehouse to a second upper-level mirror image warehouse, and pushing the mirror image from the second upper-level mirror image warehouse to the mirror image warehouse of the target local area network.
Fig. 2 is a schematic hardware structural diagram of an embodiment of the above cross-lan Docker image synchronization computer device according to the present invention.
Taking the apparatus shown in fig. 2 as an example, the apparatus includes a processor 301 and a memory 302, and may further include: an input device 303 and an output device 304.
The processor 301, the memory 302, the input device 303 and the output device 304 may be connected by a bus or other means, and fig. 2 illustrates the connection by a bus as an example.
The memory 302 is a non-volatile computer-readable storage medium and may be used to store non-volatile software programs, non-volatile computer-executable programs, and modules, such as program instructions/modules corresponding to the method for synchronization of a Docker image across a local area network in this embodiment of the application. The processor 301 executes various functional applications and data processing of the server by running the nonvolatile software programs, instructions and modules stored in the memory 302, that is, implements the method for synchronization of Docker images across local area networks according to the above method embodiment.
The memory 302 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the method of Docker mirror synchronization across the local area network, and the like. Further, the memory 302 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, memory 302 optionally includes memory located remotely from processor 301, which may be connected to a local module via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 303 may receive information such as a user name and a password that are input. The output means 304 may comprise a display device such as a display screen.
Program instructions/modules corresponding to one or more methods for cross-lan Docker image synchronization are stored in the memory 302, and when executed by the processor 301, perform the method for cross-lan Docker image synchronization in any of the above-described method embodiments.
Any embodiment of the computer device executing the method for cross-lan Docker image synchronization may achieve the same or similar effects as any corresponding method embodiment described above.
The invention also provides a computer readable storage medium storing a computer program which, when executed by a processor, performs the method as above.
Finally, it should be noted that, as one of ordinary skill in the art can appreciate that all or part of the processes in the methods of the above embodiments may be implemented by a computer program to instruct related hardware, and the program of the method for Docker image synchronization across a local area network may be stored in a computer readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. The storage medium of the program may be a magnetic disk, an optical disk, a Read Only Memory (ROM), a Random Access Memory (RAM), or the like. The embodiments of the computer program may achieve the same or similar effects as any of the above-described method embodiments.
The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the present disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.
The numbers of the embodiments disclosed in the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, and the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of the embodiments of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (10)
1. A method for Docker mirror synchronization across local area networks is characterized by comprising the following steps:
acquiring an identifier of a mirror image in a mirror image warehouse, and checking whether a file under a mounting path of the mirror image warehouse changes or not;
in response to the change of the file under the mount path of the mirror image warehouse, checking whether the identifier of the mirror image is the same as the original identifier;
binding the mirror image to the address of a target local area network in response to the fact that the identification of the mirror image is the same as the original identification; and
pushing the mirror image to a target local area network based on the address, and enabling the mirror image to cover a corresponding original mirror image in the target local area network.
2. The method of claim 1, wherein the checking whether the identity of the mirror is the same as the original identity comprises:
and checking whether the name and the label of the mirror image are the same as the original name and label.
3. The method of claim 2, further comprising:
and in response to the fact that the name and the label of the mirror image are different from the original name and the label, pushing the mirror image to a target local area network, and respectively storing the mirror image and the original mirror image in the target local area network.
4. The method of claim 2, wherein the verifying whether the identity of the mirror is the same as the original identity further comprises:
and in response to the name and the label of the mirror image being the same as the original name and label, checking whether the identification code of the mirror image is the same as the original identification code.
5. The method of claim 1, further comprising:
and in response to that the file in the mirror image warehouse mounting path is not changed, mounting the mirror image to the file.
6. The method of claim 1, wherein pushing the mirror to a target local area network based on the address comprises:
and uploading the mirror image to a superior mirror image warehouse, and judging whether the target local area network is the same as the current local area network of the mirror image.
7. The method of claim 6, wherein pushing the mirror to a target local area network based on the address further comprises:
and in response to the fact that the target local area network is different from the current local area network of the mirror image, uploading the mirror image from the upper-level mirror image warehouse to a second upper-level mirror image warehouse, and pushing the mirror image from the second upper-level mirror image warehouse to the mirror image warehouse of the target local area network.
8. A system for Docker mirror synchronization across local area networks, comprising:
the first checking module is configured to acquire an identifier of a mirror image in a mirror image warehouse and check whether a file under a mount path of the mirror image warehouse changes;
the second checking module is configured to respond to the change of the file under the mirror image warehouse mounting path and check whether the identifier of the mirror image is the same as the original identifier;
the address module is configured to bind the mirror image to an address of a target local area network in response to that the identifier of the mirror image is the same as the original identifier; and
and the pushing module is configured to push the mirror image to a target local area network based on the address and enable the mirror image to cover a corresponding original mirror image in the target local area network.
9. A computer device, comprising:
at least one processor; and
a memory storing computer instructions executable on the processor, the instructions when executed by the processor implementing the steps of the method of any one of claims 1 to 7.
10. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 7.
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| CN109286615A (en) * | 2018-09-03 | 2019-01-29 | 中新网络信息安全股份有限公司 | A kind of efficiently across LAN data synchronous method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113434249A (en) * | 2021-06-18 | 2021-09-24 | 杭州趣链科技有限公司 | Mirror image synchronization method and device, docker host and storage medium |
| CN117077218A (en) * | 2023-10-07 | 2023-11-17 | 之江实验室 | Synchronization method, device, medium and equipment for mirror images of multi-center medical institution |
| CN117077218B (en) * | 2023-10-07 | 2024-01-26 | 之江实验室 | Synchronization method, device, medium and equipment for mirror images of multi-center medical institution |
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