CN108681434A - A kind of container persistent storage hanging method - Google Patents
A kind of container persistent storage hanging method Download PDFInfo
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- CN108681434A CN108681434A CN201810507323.8A CN201810507323A CN108681434A CN 108681434 A CN108681434 A CN 108681434A CN 201810507323 A CN201810507323 A CN 201810507323A CN 108681434 A CN108681434 A CN 108681434A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
- G06F3/0635—Configuration or reconfiguration of storage systems by changing the path, e.g. traffic rerouting, path reconfiguration
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0683—Plurality of storage devices
- G06F3/0689—Disk arrays, e.g. RAID, JBOD
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Abstract
This application involves a kind of container persistent storage hanging methods, belong to field of computer technology, and this method includes:Container request to create is received, the container request to create includes the container identification of container to be created;Pre-stored configuration file is read according to the container request to create, and the configuration file includes volume directory address and volume mapping to the mapping address in the container to be created;Establish the binding relationship between the container identification, the volume directory address and the mapping address;The container with the container identification is created, the data that the container provides pass through binding relationship variation synchronous with the data that the volume directory address indicates;The persistent storage that can solve the problems, such as partial data in container instance, realizing the data in container can be saved in local file system.
Description
Technical field
The present invention relates to a kind of container persistent storage hanging methods, belong to field of computer technology.
Background technology
In order to realize that copy-on-write (copy-on-write), container can use a kind of entitled superposition (overlay) file
The characteristic of system.When needing to modify to root mirror image, container can utilize this characteristic, and changed content is written to independent zones
Domain simultaneously " covers " original content.This modification is all usually instantaneous, that is to say, that under normal conditions, when container is deleted, this
A little modifications will not exist yet.Therefore, container acquiescence does not permanently store.
In order to solve storage problem, the tool as Docker provides new characteristic to obtain more persistence
Storage:Docker volumes and data capsule.
But it is locally stored since Docker is used, does not support the shared storages of Cinder.
Invention content
The purpose of the present invention is to provide a kind of data that may be implemented in container to be saved in local file system
Technical solution.In order to achieve the above objectives, the present invention provides the following technical solutions:The method includes:
Container request to create is received, the container request to create includes the container identification of container to be created;
Pre-stored configuration file is read according to the container request to create, the configuration file includes volume directory address
With volume mapping to the mapping address in the container to be created;
Establish the binding relationship between the container identification, the volume directory address and the mapping address;
The container with the container identification is created, the data that the container provides pass through the binding relationship and the volume
The data of directory address instruction synchronize variation.
Optionally, the configuration file further includes that function starts mark,
The binding relationship established between the container identification, the volume directory address and the mapping address, including:
Start mark according to the function and determines whether that startup is wrapping with load function;
When the function starts and is wrapping with load function described in mark instruction startup, the binding relationship is established.
Optionally, the binding established between the container identification, the volume directory address and the mapping address is closed
System, including:
Detect whether there is the target directory determined according to the volume directory address and the container identification;
When there is no the target directory, the target directory is created;
Establish the binding relationship between the target directory and the mapping address.
Optionally, described to detect whether there is the target directory determined according to the volume directory address and the container identification
Later, further include:
When there are the target directory, vertical binding relationship between the target directory and the mapping address is created.
Optionally, after the container of the establishment with the container identification, further include:
Network is created for the container;
It will be on the network building-out to the container.
Optionally, after the container of the establishment with the container identification, further include:
Container, which is generated, according to the process for creating the container creates daily record;
The defect that log analysis creates process is created according to the container, the establishment process is optimized, is obtained excellent
Establishment process after change, the establishment process after the optimization are used to use when creating container next time.
Optionally, described that pre-stored configuration file is read according to the container request to create, including:
Obtain the virtual machine mark for the virtual machine that the container is run;
Determine that the virtual machine identifies corresponding configuration file from least one configuration file;
It reads the virtual machine and identifies corresponding configuration file.
Optionally, before the pre-stored configuration file according to container request to create reading, further include:
It receives container and creates demand;
Demand, which is created, according to the container generates the configuration file;
Wherein, the container creates demand and is used to indicate the store function for creating the container when creating container;Alternatively,
The container creates demand and is used to indicate the store function for not creating the container when creating container.
The beneficial effects of the present invention are:By reading pre-stored configuration file when creating container, matched according to this
It sets file and establishes binding relationship between container and volume directory address and mapping address, realize local file system to Docker
The mapping of container enables the data in container to be saved in local file system, efficiently solves score in the middle part of container instance
According to persistent storage problem.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
Description of the drawings
Fig. 1 is the cloud platform integral deployment framework for container persistent storage carry that the application one embodiment provides
Structural schematic diagram;
Fig. 2 is the flow chart for the container persistent storage hanging method that the application one embodiment provides;
Fig. 3 is the flow chart for the container persistent storage hanging method that the application one embodiment provides.
Fig. 4 is the flow chart for the method for establishing binding relationship that the application one embodiment provides.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
Fig. 1 is the cloud platform integral deployment framework for container persistent storage carry that the application one embodiment provides
Structural schematic diagram, as shown in Figure 1, the cloud platform includes at least:Authentication service 110, calculates service at mirroring service 120
130, network management services 140, visualization component 150.
Authentication service 110, for providing a unified, complete authentication, service mesh for entire cloud platform
Record and token and access strategy service.
Mirroring service 120 for providing catalogue and resources bank for virtual disk mirror image, and can also preserve image file
Metadata.
Service 130 is calculated, for providing the service for creating virtual machine on demand.
Network management services 140, for providing network function to calculate the virtual machine instance that service 130 creates.
Visualization component 150, for in cloud platform example and service patterned user interface (User is provided
Interface, UI) interface.
In entire cloud platform, Docker makees the KVM switch (Keyboard Video Mouse, KVM) of substitution acquiescence
For a new virtual machine management program.The container instance created by Docker is the virtual machine instance of a lightweight.
Docker mirror images are preserved by using Docker Save into TAR packets, and are put into mirroring service 120 and are managed.Create container
When, system downloads the mirror image of container from mirroring service 120, is then loaded using Docke Load and starts container mirror image.
The basis that virtual machine instance is volume management module is created, and it is most crucial as entire cloud platform to calculate service 130
Component, exactly this part being mainly responsible for, and the other assemblies of entire cloud are used for servicing calculating service 130.
Fig. 2 is the flow chart for the container persistent storage hanging method that the application one embodiment provides, and the present embodiment is with this
Method be applied to cloud platform shown in FIG. 1 in, and each step executive agent calculate service 130 (volume management modules) be
Example illustrates.This method includes at least following steps:
Step 201, container request to create is received, container request to create includes the container identification of container to be created.
Step 202, pre-stored configuration file is read according to container request to create, which includes volume directory
Location and volume mapping are to the mapping address in container to be created.
Step 203, the binding relationship between container identification, volume directory address and mapping address is established.
Step 204, the container with container identification is created, the data which provides are by binding relationship and volume directory
The data of location instruction synchronize variation.
In conclusion container persistent storage hanging method provided in this embodiment, advance by being read when creating container
The configuration file of storage establishes the binding relationship between container and volume directory address and mapping address according to the configuration file, real
Mapping of the local file system to Docker containers is showed, so that the data in container is saved in local file system, have
Effect solves the problems, such as the persistent storage of partial data in container instance.
In addition, developer can directly change file therein on host, taken with this to change correlation in container
The characteristic of business.
Fig. 3 is the flow chart for the container persistent storage hanging method that the application another embodiment provides, the present embodiment with
This method is applied in cloud platform shown in FIG. 1, and the executive agent of each step calculates 130 (volume management modules) of service
For illustrate.This method includes at least following steps:
Step 301, container request to create is received.
Wherein, container request to create includes the container identification of container to be created.
Step 302, pre-stored configuration file is read according to container request to create.
Volume management module can read configuration file from configuration file library, to obtain volume directory address and mapping ground
Location.
Optionally, the container created in different virtual machine can correspond to different configuration files, at this point, volume management module
Obtain the virtual machine mark for the virtual machine that container is run;It determines that virtual machine mark is corresponding from least one configuration file to match
Set file;It reads virtual machine and identifies corresponding configuration file.
Optionally, the configuration file of container can be set by the user.It is needed at this point, volume management module receives container establishment
It asks;Demand, which is created, according to container generates configuration file;Wherein, container establishment demand is used to indicate creates container when creating container
Store function;Alternatively, container, which creates demand, is used to indicate the store function that the portion when creating container does not create the container.
Configuration file includes volume directory address and volume mapping to the mapping address in container to be created.Configuration file further includes
Function starts mark.
Such as:Configuration file is as follows:
Volume=true
Container_dir=/data
Loc_dir=/mnt/docker_volume
Wherein, volume is to start to identify, and when the value of volume is true, instruction, which starts, is wrapping with load function;When
When the value of volume is false, instruction, which does not start, is wrapping with load function.Loc_dir is volume directory address in local file system;
Container_dir is the mapping address being mapped in container.
Step 303, mark is started according to function and determines whether that startup is wrapping with load function.
When function starts mark instruction startup and is wrapping with load function, step 304 is executed;Start mark instruction in function not open
It is dynamic to be wrapping with when carrying function, execute step 305.
Step 304, function start mark instruction start be wrapping with carry function when, establish container identification, volume directory address and
Binding relationship between mapping address.
With reference to the flow chart shown in Fig. 4 for establishing binding relationship, establishes binding relationship and include at least following steps;
Step 401, container identification is obtained from container request to create;
For the Nova-Docker of different editions, the application provides at least two ways and obtains container identification:
In the Nova-Docker of lowest version, Container Name is called to obtain function to obtain container identification;In new version
In Nova-Docker, container identification can be directly passed to volume management module as a parameter.
Step 402, detect whether there is the target mesh determined according to volume directory address and container identification in configuration file
Record;
In existing target directory, step 404 is executed;When there is no target directory, step 403 is executed.
Step 403, target directory is created;
Step 404, the binding relationship between target directory and mapping address is established.
Step 305, the container with container identification is created.
The data that container provides pass through binding relationship variation synchronous with the data that volume directory address indicates.
In conclusion container persistent storage hanging method provided in this embodiment, advance by being read when creating container
The configuration file of storage establishes the binding relationship between container and volume directory address and mapping address according to the configuration file, this
Ground file system enables the data in container to be saved in local file system to the mapping of Docker containers, effectively solves
The persistent storage problem of partial data in container instance.
Optionally, after step 307, volume management module can also be container create network, and by network building-out to appearance
On device.
Optionally, after step 307, volume management module can also generate container according to the process for creating container and create day
Will;The defect that log analysis creates process is created according to container, establishment process is optimized, the establishment after being optimized
Journey, the establishment process after optimization are used to use when creating container next time.
In the present embodiment, by creating daily record according to container, developer can capture to abnormal, enhance journey with this
The robustness of sequence.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. a kind of container persistent storage hanging method, which is characterized in that the method includes:
Container request to create is received, the container request to create includes the container identification of container to be created;
Pre-stored configuration file is read according to the container request to create, the configuration file includes volume directory address and volume
The mapping address being mapped in the container to be created;
Establish the binding relationship between the container identification, the volume directory address and the mapping address;
The container with the container identification is created, the data that the container provides pass through the binding relationship and the volume directory
The data of address instruction synchronize variation.
2. the method as described in claim 1, which is characterized in that the configuration file further includes that function starts mark,
The binding relationship established between the container identification, the volume directory address and the mapping address, including:
Start mark according to the function and determines whether that startup is wrapping with load function;
When the function starts and is wrapping with load function described in mark instruction startup, the binding relationship is established.
3. the method as described in claim 1, which is characterized in that it is described establish the container identification, the volume directory address and
Binding relationship between the mapping address, including:
Detect whether there is the target directory determined according to the volume directory address and the container identification;
When there is no the target directory, the target directory is created;
Establish the binding relationship between the target directory and the mapping address.
4. method as claimed in claim 3, which is characterized in that described to detect whether to exist according to the volume directory address and institute
After the target directory for stating container identification determination, further include:
When there are the target directory, vertical binding relationship between the target directory and the mapping address is created.
5. such as Claims 1-4 any one of them method, which is characterized in that described to create the appearance with the container identification
After device, further include:
Network is created for the container;
It will be on the network building-out to the container.
6. such as Claims 1-4 any one of them method, which is characterized in that described to create the appearance with the container identification
After device, further include:
Container, which is generated, according to the process for creating the container creates daily record;
The defect that log analysis creates process is created according to the container, the establishment process is optimized, after obtaining optimization
Establishment process, establishment process after the optimization is used to use when creating container next time.
7. such as Claims 1-4 any one of them method, which is characterized in that described to be read according to the container request to create
Pre-stored configuration file, including:
Obtain the virtual machine mark for the virtual machine that the container is run;
Determine that the virtual machine identifies corresponding configuration file from least one configuration file;
It reads the virtual machine and identifies corresponding configuration file.
8. such as Claims 1-4 any one of them method, which is characterized in that described to be read according to the container request to create
Before pre-stored configuration file, further include:
It receives container and creates demand;
Demand, which is created, according to the container generates the configuration file;
Wherein, the container creates demand and is used to indicate the store function for creating the container when creating container;Alternatively, described
Container creates demand and is used to indicate the store function for not creating the container when creating container.
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Cited By (8)
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CN110688174A (en) * | 2019-09-30 | 2020-01-14 | 李福帮 | Container starting method, storage medium and electronic device |
CN111290826A (en) * | 2018-12-06 | 2020-06-16 | 北京京东尚科信息技术有限公司 | Distributed file system, computer system, and medium |
CN111767118A (en) * | 2020-06-24 | 2020-10-13 | 中国工商银行股份有限公司 | Container storage space processing method and device based on distributed file system |
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CN114500573A (en) * | 2021-12-24 | 2022-05-13 | 天翼云科技有限公司 | Storage volume mounting method, device, equipment and storage medium |
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WO2023041047A1 (en) * | 2021-09-17 | 2023-03-23 | 华为云计算技术有限公司 | Cloud technology-based file service providing method and related device |
CN114500573A (en) * | 2021-12-24 | 2022-05-13 | 天翼云科技有限公司 | Storage volume mounting method, device, equipment and storage medium |
CN114500573B (en) * | 2021-12-24 | 2024-04-26 | 天翼云科技有限公司 | Storage volume mounting method, device, equipment and storage medium |
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