CN110784347A - Node management method, system, equipment and storage medium for container cluster - Google Patents
Node management method, system, equipment and storage medium for container cluster Download PDFInfo
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- CN110784347A CN110784347A CN201910995228.1A CN201910995228A CN110784347A CN 110784347 A CN110784347 A CN 110784347A CN 201910995228 A CN201910995228 A CN 201910995228A CN 110784347 A CN110784347 A CN 110784347A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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Abstract
The application discloses a node management method of a container cluster, which is applied to a container platform and comprises the following steps: building a container cluster comprising a plurality of nodes; when any label adding instruction is received, adding labels carried in the label adding instruction to corresponding nodes according to the label adding instruction; and performing application deployment based on each label of each node in the container cluster. By applying the scheme provided by the application, when the nodes of the container cluster are managed, the directed application deployment of the container cluster is facilitated in a label management mode. The application also provides a node management system, equipment and a storage medium of the container cluster, and the system, the equipment and the storage medium have corresponding technical effects.
Description
Technical Field
The present invention relates to the field of server technologies, and in particular, to a method, a system, a device, and a storage medium for managing nodes of a container cluster.
Background
With the rapid development of internet applications, applications deployed by a single-node server are more and more difficult to bear huge access, and therefore, the deployment of large applications through a container cluster is more and more common.
The container cluster is a technology for abstracting a plurality of physical machines into a logically single container, for example, Kubernetes is a common open-source container cluster management system, and can provide a series of complete functions such as deployment and operation, resource scheduling, service discovery, dynamic scaling and the like for containerized applications, so that the convenience of large-scale container cluster management is improved.
However, as more and more applications can be deployed in the container cluster, different applications have different deployment requirements, and when the application deployment is implemented based on the container cluster, how to further scientifically manage the nodes of the container cluster is important, so that the convenience in application deployment is particularly important. For example, some nodes only allow core applications to be deployed, and when a certain common application is deployed, one operation manner of a worker is to query each application deployed on each node, further distinguish each node where the core application is located, and then deploy the common application to be deployed on a node other than the core applications. For another example, when the application a is deployed, the application B needs to be deployed in the required node, and an operation manner of the worker also needs to query each application deployed by each node, so as to determine each node deployed with the application B, and then select one node to perform deployment of the application a, which is complex in operation flow.
In summary, how to manage the nodes of the container cluster so as to facilitate application deployment of the container cluster is a technical problem that needs to be solved urgently by those skilled in the art at present.
Disclosure of Invention
The invention aims to provide a node management method, a system, equipment and a storage medium of a container cluster, which are used for managing nodes of the container cluster and facilitating application deployment of the container cluster.
In order to solve the technical problems, the invention provides the following technical scheme:
a node management method of a container cluster is applied to a container platform and comprises the following steps:
building a container cluster comprising a plurality of nodes;
when any label adding instruction is received, adding labels carried in the label adding instruction to corresponding nodes according to the label adding instruction;
and performing application deployment based on each label of each node in the container cluster.
Preferably, the method further comprises the following steps:
and monitoring the state of each node in the container cluster and displaying the state.
Preferably, the method further comprises the following steps:
receiving a node capacity expansion instruction;
and adding the node targeted by the node capacity expansion instruction into the container cluster.
Preferably, the adding the node to which the node capacity expansion instruction is directed to the container cluster includes:
adding login certificates for the nodes to which the node capacity expansion instructions are directed and each node in the container cluster;
after yum sources are configured for the node for which the node capacity expansion instruction is directed, the host file of the node is configured and the node is added to the container cluster through a kubecect 1 command.
Preferably, the method further comprises the following steps:
and after receiving the label scheduling instruction, performing label replacement or label deletion on the added label according to the information carried by the label scheduling instruction.
A node management system of a container cluster is applied to a container platform and comprises:
the container cluster building module is used for building a container cluster comprising a plurality of nodes;
the label adding module is used for adding labels carried in the label adding instruction to corresponding nodes according to the label adding instruction when receiving any label adding instruction;
and the application deployment module is used for deploying the application based on each label of each node in the container cluster.
Preferably, the method further comprises the following steps:
and the node monitoring module is used for monitoring and displaying the state of each node in the container cluster.
Preferably, the node capacity expansion module is further configured to:
receiving a node capacity expansion instruction;
and adding the node targeted by the node capacity expansion instruction into the container cluster.
A node management apparatus of a container cluster, comprising:
a memory for storing a computer program;
a processor for executing the computer program to implement the steps of the node management method of a container cluster according to any of the above.
A computer-readable storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method for node management of a container cluster according to any of the preceding claims.
By applying the technical scheme provided by the embodiment of the invention, the node management is carried out through the container platform, thereby being beneficial to the deployment of the application. Specifically, after a container cluster including a plurality of nodes is built, when any label adding instruction is received, the container platform adds labels carried in the label adding instruction to the corresponding nodes according to the label adding instruction. Therefore, when application deployment is performed subsequently, the nodes meeting the application deployment requirement can be conveniently found out based on the labels of the nodes in the container cluster, and therefore, the directed application deployment by workers is facilitated. Therefore, when the nodes of the container cluster are managed, the directed application deployment of the container cluster is facilitated through a label management mode.
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 embodiment of a node management method for a container cluster according to the present invention;
FIG. 2 is a schematic structural diagram of a node management system of a container cluster according to the present invention;
fig. 3 is a schematic structural diagram of a node management device of a container cluster according to the present invention.
Detailed Description
The core of the invention is to provide a node management method of a container cluster, which facilitates the application deployment of the container cluster in a label management mode.
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 node management method for a container cluster in the present invention, where the node management method for the container cluster is applied to a container platform, and includes the following steps:
step S101: a container cluster comprising a plurality of nodes is built.
In specific implementation, a container cluster can be usually built by using kubernets, which is an open source container arrangement framework and can realize functions of application containerization deployment, updating, dynamic expansion and contraction and the like. Specifically, when building a kubernets container cluster, a kubernets service component may be installed on each node, so that each node may implement a corresponding function of the container cluster through the service component. For example, the installed service components may include an ect component, such that nodes build a database to store data content related to a cluster of containers; a kube-apieerver component can be included, so that the nodes can receive and analyze related instructions sent by the container platform; a kube-schedule component may be included, so that the node may implement the related functions of container scheduling, and in addition, functional components such as kube, kube-manager, and the like may be included. After the kubernets service component is installed, communication between each node in the container cluster is generally required to be established, specifically, host files of each node in the container cluster can be configured, communication of each node in the container cluster is realized, and thus construction of the container cluster is completed.
Of course, in other embodiments, the construction of the container cluster may be performed based on other frameworks, and the implementation of the present invention is not affected.
Step S102: and when any label adding instruction is received, adding the labels carried in the label adding instruction to the corresponding nodes according to the label adding instruction.
The tag adding instruction can be sent by a worker usually, after the container platform receives any tag adding instruction, the tag carried in the tag adding instruction can be added to each corresponding node according to the tag adding instruction, and specifically, the tag can be added to each corresponding node through the kubecect instruction. For example, in a specific scenario, there are 10 nodes in the container cluster, the worker adds the label a to the node 1 to node 3, and the node 4 to node 10 does not add the label or all adds the label B, so as to distinguish the node 1 to node 3 as an important node where the core application is deployed.
It will be appreciated that the label may be added to one or more nodes at any one time in the process of adding the label. Accordingly, for any node, the node may also carry one or more tags.
It should be further noted that, since the container platform may receive the tag adding instruction more than once, that is, the tags of the nodes may change, the container platform may generally periodically query the tags of each node and synchronize the query result to the management interface, so that application deployment may be performed subsequently based on the tags of each node displayed in the management interface.
Of course, for the added tag, when modification is needed, the added tag may also be modified or deleted by the tag scheduling instruction. That is, in one embodiment of the present invention, the method may further include: and after receiving the label scheduling instruction, performing label replacement or label deletion on the added label according to the information carried by the label scheduling instruction.
Step S103: and performing application deployment based on each label of each node in the container cluster.
Because the labels can be added to the nodes in the scheme of the application, when the application deployment is carried out, a worker can conveniently determine the nodes meeting the requirements of the application to be deployed based on the labels of the nodes in the container cluster, and then the application deployment can be conveniently carried out.
For example, in the foregoing embodiment, the node nos. 1 to 3 are added with the tag a, and the node nos. 4 to 10 are not added with the tag or are both added with the tag B, when the application to be deployed is the core application, the staff may determine that the application is only allowed to be deployed to the node nos. 1 to 3 based on each tag of each node, and correspondingly, when the application to be deployed is not the core application, the staff may conveniently determine that the application is allowed to be deployed to the node nos. 4 to 10 based on the tag.
For another example, when M application deployment is performed, N applications need to be deployed in a node, and a label is added to each node where the N applications are deployed through a label adding instruction before, for example, nodes No. 6 and 7 have labels N, which indicates that the N applications are deployed in the two nodes, and then a worker can conveniently determine that the M applications can only be deployed in the node No. 6 or the node No. 7 through the labels.
By applying the technical scheme provided by the embodiment of the invention, the node management is carried out through the container platform, thereby being beneficial to the deployment of the application. Specifically, after a container cluster including a plurality of nodes is built, when any label adding instruction is received, the container platform adds labels carried in the label adding instruction to the corresponding nodes according to the label adding instruction. Therefore, when application deployment is performed subsequently, the nodes meeting the application deployment requirement can be conveniently found out based on the labels of the nodes in the container cluster, and the application deployment is convenient for workers. Therefore, when the nodes of the container cluster are managed, the application deployment of the container cluster is facilitated through a label management mode.
In an embodiment of the present invention, the method may further include:
and monitoring the state of each node in the container cluster and displaying the state.
In this embodiment, the container platform also monitors the status of each node. Specifically, the container platform may periodically query the state of each node through a kubecect instruction, store the state data of each node in a preset database, and feed back the state data of each node to a management page, that is, display the state of each node. The specific content of the status data may be set and adjusted according to actual needs, and may include, for example, the resource usage of the node, whether the communication of the node is abnormal, and the like.
In an embodiment of the present invention, the method may further include:
the method comprises the following steps: receiving a node capacity expansion instruction;
step two: and adding the node targeted by the node capacity expansion instruction into the container cluster.
In this embodiment, considering that after the container cluster is built, a new node may need to be added to the container cluster, and this embodiment can meet such a requirement. That is, after the container platform receives the node capacity expansion instruction, a node may be added to the container cluster. The specific operation depends on the architecture of the container cluster, for example, kubernets is usually adopted to construct the container cluster, and then the step two may specifically include the following two steps:
the first step is as follows: adding login certificates for the nodes to which the node capacity expansion instruction aims and each node in the container cluster;
the second step is that: after yum sources are configured for the node for which the node capacity expansion instruction is directed, the host file for the node is configured and the node is added to the container cluster via the kubecect 1 command.
The node targeted by the node capacity expansion instruction needs to be newly added to the node in the container cluster, and is referred to as a newly added node for convenience of description. And login certificates are added to the nodes targeted by the node capacity expansion instruction and each node in the container cluster, so that secret-free login can be realized between the newly added nodes and each original node in the container cluster. Then yum sources need to be configured for the nodes to which the node capacity expansion instruction is directed, that is, the newly added nodes can realize the corresponding functions of the container cluster. And the host file of the newly added node is configured, so that the communication capacity between the newly added node and each original node in the container cluster is realized. Finally, the newly added node can be added to the container cluster through a kubecct 1 command.
Of course, after the newly added node is added to the container cluster, the container platform may also monitor the newly added node, query the node information of the node, and synchronize to the management interface.
Corresponding to the above method embodiment, an embodiment of the present invention further provides a node management system for a container cluster, which is applied to a container platform and can be referred to in correspondence with the above.
Referring to fig. 3, a schematic structural diagram of a node management system of a container cluster in the present invention may include:
a container cluster building module 301, configured to build a container cluster including a plurality of nodes;
the tag adding module 302 is configured to add, when receiving any tag adding instruction, a tag carried in the tag adding instruction to each corresponding node according to the tag adding instruction;
an application deployment module 303, configured to perform application deployment based on each label of each node in the container cluster.
In an embodiment of the present invention, the method may further include:
and the node monitoring module is used for monitoring and displaying the state of each node in the container cluster.
In a specific embodiment of the present invention, the node capacity expansion module is further configured to:
receiving a node capacity expansion instruction;
and adding the node targeted by the node capacity expansion instruction into the container cluster.
In a specific embodiment of the present invention, the node capacity expansion module is specifically configured to:
receiving a node capacity expansion instruction;
adding login certificates for the nodes to which the node capacity expansion instruction aims and each node in the container cluster;
after yum sources are configured for the node for which the node capacity expansion instruction is directed, the host file for the node is configured and the node is added to the container cluster via the kubecect 1 command.
In one embodiment of the present invention, the method further comprises:
a label deleting module used for carrying out label replacement or label deletion on the added label according to the information carried by the label scheduling instruction after receiving the label scheduling instruction
Corresponding to the above method embodiments, embodiments of the present invention further provide a node management device for a container cluster and a computer-readable storage medium, which may be referred to in correspondence with the above.
The computer readable storage medium has stored thereon a computer program which, when being executed by a processor, realizes the steps of the node management method of the container cluster 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.
Referring to fig. 3, the node management apparatus of the container cluster may include:
a memory for storing a computer program;
a processor for executing a computer program to implement the steps of the node management method of the container cluster in 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 node management method of a container cluster is applied to a container platform and comprises the following steps:
building a container cluster comprising a plurality of nodes;
when any label adding instruction is received, adding labels carried in the label adding instruction to corresponding nodes according to the label adding instruction;
and performing application deployment based on each label of each node in the container cluster.
2. The node management method for a container cluster according to claim 1, further comprising:
and monitoring the state of each node in the container cluster and displaying the state.
3. The node management method for a container cluster according to claim 1, further comprising:
receiving a node capacity expansion instruction;
and adding the node targeted by the node capacity expansion instruction into the container cluster.
4. The method according to claim 3, wherein the adding the node to which the node capacity expansion instruction is directed to the container cluster comprises:
adding login certificates for the nodes to which the node capacity expansion instructions are directed and each node in the container cluster;
after yum sources are configured for the node for which the node capacity expansion instruction is directed, the host file of the node is configured and the node is added to the container cluster through a kubecect 1 command.
5. The node management method for a container cluster according to any one of claims 1 to 4, further comprising:
and after receiving the label scheduling instruction, performing label replacement or label deletion on the added label according to the information carried by the label scheduling instruction.
6. A node management system of a container cluster is applied to a container platform and comprises the following components:
the container cluster building module is used for building a container cluster comprising a plurality of nodes;
the label adding module is used for adding labels carried in the label adding instruction to corresponding nodes according to the label adding instruction when receiving any label adding instruction;
and the application deployment module is used for deploying the application based on each label of each node in the container cluster.
7. The node management system of a container cluster according to claim 6, further comprising:
and the node monitoring module is used for monitoring and displaying the state of each node in the container cluster.
8. The node management system of a container cluster of claim 6, further comprising a node capacity expansion module configured to:
receiving a node capacity expansion instruction;
and adding the node targeted by the node capacity expansion instruction into the container cluster.
9. A node management apparatus of a container cluster, comprising:
a memory for storing a computer program;
a processor for executing the computer program for implementing the steps of the node management method of a container cluster according to any of claims 1 to 5.
10. A computer-readable storage medium, characterized in that a computer program is stored thereon, which computer program, when being executed by a processor, carries out the steps of the method of node management of a container cluster according to any one of claims 1 to 5.
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