CN111274191A - Method for managing ceph cluster and cloud local storage coordinator - Google Patents
Method for managing ceph cluster and cloud local storage coordinator Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 claims description 7
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
- G06F15/161—Computing infrastructure, e.g. computer clusters, blade chassis or hardware partitioning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Abstract
The invention provides a method for managing a ceph cluster and a cloud local storage coordinator, wherein the method is applied to Rook and comprises the following steps: the look realizes a ceph cluster by using kubernets; and the look configures the ceph cluster by using the kubernets. The invention provides a method for managing a ceph cluster and a cloud local storage coordinator, which can manage the ceph cluster more conveniently.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a method for managing a ceph cluster and a cloud local storage coordinator.
Background
The Ceph cluster is a highly scalable distributed storage solution providing object, file, and block storage. How to manage Ceph clusters is a very important issue. In the prior art, developers are required to write a large amount of codes to realize the management of the Ceph cluster, which is very complicated.
Disclosure of Invention
The embodiment of the invention provides a method for managing a ceph cluster and a cloud local storage coordinator, which can manage the ceph cluster more conveniently.
In a first aspect, an embodiment of the present invention provides a method for managing a ceph cluster, where the method is applied to hook (cloud local storage coordinator), and the method includes:
the look realizes a ceph cluster by using kubernets;
and the look configures the ceph cluster by using the kubernets.
Alternatively,
the hook configures the ceph cluster by using the kubernets, and the configuration comprises the following steps:
and the hook configures the object storage data assembly of the ceph cluster by using the kubernets, so that the object storage data assembly communicates by using a host network of the ceph cluster.
Alternatively,
the hook configures the ceph cluster by using the kubernets, and the configuration comprises the following steps:
the hook sets a cluster network and a public network in the ceph cluster by using the kubernets;
the hook configures communication among a monitoring component, an object storage data component and a file metadata storage component of the ceph cluster through the public network by using the kubernets;
and the hook configures communication between at least two object storage data components of the ceph cluster through the cluster network by using the kubernets.
Alternatively,
the hook configures the ceph cluster by using the kubernets, and the configuration comprises the following steps:
and the hook sets an application outside the ceph cluster to access the ceph cluster through a host network of the ceph cluster by using the kubernets.
Alternatively,
the hook configures the ceph cluster by using the kubernets, and the configuration comprises the following steps:
the hook configures the block storage pool and the storage category of the ceph cluster by using the kubernets;
the hook configures a file system of the ceph cluster by using the kubernets;
and the hook configures the object storage of the ceph cluster by using the kubernets.
Alternatively,
the hook configures the ceph cluster by using the kubernets, and the configuration comprises the following steps:
and the hook modifies the number of the components of the ceph cluster by utilizing the kubernets, so as to realize the expansion or contraction of the ceph cluster.
Alternatively,
the hook configures the ceph cluster by using the kubernets, and the configuration comprises the following steps:
and the look deletes the ceph cluster by using the kubernets.
Alternatively,
after the look implements ceph clustering with kubernets, further comprising:
the hook utilizes the kubernets to view the management resources of the ceph cluster;
the Rook utilizes the kubernets to view the block storage pool of the ceph cluster;
the hook utilizes the kubernets to view the file system of the ceph cluster;
the hook views the object store of the ceph cluster using the kubernets.
In a second aspect, an embodiment of the present invention provides a cloud local storage coordinator, including:
the realization module is used for realizing the ceph cluster by utilizing kubernets;
and the configuration module is used for configuring the ceph cluster by utilizing the kubernets.
Alternatively,
the configuration module is configured to configure the object storage data component of the ceph cluster by using the kubernets, so that the object storage data component communicates by using a host network of the ceph cluster.
Alternatively,
the configuration module is configured to perform:
utilizing the kubernets to set a cluster network and a public network in the ceph cluster;
configuring communication among a monitoring component, an object storage data component and a file metadata storage component of the ceph cluster through the public network by using the kubernets;
configuring, using the kubernets, communication between at least two of the object store data components of the ceph cluster over the cluster network.
Alternatively,
the configuration module is used for setting applications outside the ceph cluster to access the ceph cluster through a host network of the ceph cluster by using the kubernets.
Alternatively,
the configuration module is configured to perform:
configuring a block storage pool and a storage category of the ceph cluster by using the kubernets;
configuring a file system of the ceph cluster by using the kubernets;
and configuring the object storage of the ceph cluster by using the kubernets.
Alternatively,
and the configuration module is used for modifying the number of the components of the ceph cluster by using the kubernets so as to realize the expansion or contraction of the ceph cluster.
Alternatively,
the configuration module is used for deleting the ceph cluster by using the kubernets.
Alternatively,
the cloud local storage coordinator further comprises: a viewing module;
the viewing module is configured to perform:
viewing management resources of the ceph cluster by using the kubernets;
using the kubernets to view the block storage pool of the ceph cluster;
viewing the file system of the ceph cluster by using the kubernets;
and viewing the object storage of the ceph cluster by using the kubernets.
In the embodiment of the invention, hook utilizes container services provided by kubernets to realize ceph clusters, can utilize the container services to configure the ceph clusters, and can realize the ceph clusters by using Kubectl commands provided by the kubernets, thereby more conveniently managing the ceph clusters.
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 introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow chart of a method for managing a ceph cluster according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a cloud local storage coordinator according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention, and based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a method for managing a ceph cluster, where the method is applied to hook, and the method includes:
step 101: the look realizes a ceph cluster by using kubernets;
step 102: and the look configures the ceph cluster by using the kubernets.
In the embodiment of the invention, hook utilizes container services provided by kubernets to realize ceph clusters, can utilize the container services to configure the ceph clusters, and can realize the ceph clusters by using Kubectl commands provided by the kubernets, thereby more conveniently managing the ceph clusters.
In the embodiment of the present invention, ceph cluster may be implemented by using the following Kubectl command provided by kubernets:
a)kubectl apply-f rook-ceph-ns.yaml
b)kubectl apply-f k8s-cluster-rb-rook-ceph.yaml
c)kubectl apply-f rook-ceph-crd.yaml
d)kubectl apply-f rook-ceph-role.yaml
e)kubectl apply-f rook-ceph-system-sa.yaml
f)kubectl apply-f rook-ceph-osd-sa.yaml
g)kubectl apply-f rook-ceph-mgr-sa.yaml
h)kubectl apply-f rook-ceph-cm.yaml
i)kubectl apply-f rook-ceph-operator.yaml
j)kubectl apply-f rook-ceph-cluster.yaml
k)kubectl apply-f rook-ceph-mgr-dashborad-external.yaml
in an embodiment of the present invention, the hook configuring the ceph cluster by using the kubernets includes:
the hook configures an object storage data component (OSD) of the ceph cluster by using the kubernets, so that the OSD communicates using a host network of the ceph cluster.
In an embodiment of the present invention, the hook configuring the ceph cluster by using the kubernets includes:
the hook sets a cluster network and a public network in the ceph cluster by using the kubernets;
the hook configures communication among a monitoring component, an object storage data component and a file metadata storage component of the ceph cluster through the public network by using the kubernets;
and the hook configures communication between at least two object storage data components of the ceph cluster through the cluster network by using the kubernets.
In the embodiment of the invention, Rook adds custom configuration look-config-override in a ceph cluster by utilizing kubernets, loads the custom configuration into an osd configuration file, and realizes that a cluster network and a public network are set in the ceph cluster.
In an embodiment of the present invention, a public network is used for communication between the monitoring component (mon), osd and the file Metadata storage component (mds, Metadata Server).
In the embodiment of the present invention, the cluster network is used for communication between osds, the communication between osds is very frequent, and the cluster network prefers a high-bandwidth network. The communication between osds is mainly data synchronization.
It should be noted that: osd communicates with any mon and any osd over a common network, and between any two osds over a clustered network.
In an embodiment of the present invention, the hook configuring the ceph cluster by using the kubernets includes:
and the hook sets an application outside the ceph cluster to access the ceph cluster through a host network of the ceph cluster by using the kubernets.
In the embodiment of the invention, by looking at the configuration files of ceph, conf and osd of the operator of hook, both the client of ceph and osd access mon-service by default to clusterip:6789 to realize connection to mon. When the ceph cluster uses the configuration hostNetwork: true, the ip of mon is accessed to nodeip: 6789. In order to enable an application outside the ceph cluster to access the ceph cluster, in the embodiment of the present invention, an external application is specified to access the ceph cluster through a host network. The network in which the IP of the node of kubernets is located needs to be a storage network.
In an embodiment of the present invention, the hook configuring the ceph cluster by using the kubernets includes:
the hook configures the block storage pool and the storage category of the ceph cluster by using the kubernets;
the hook configures a file system of the ceph cluster by using the kubernets;
and the hook configures the object storage of the ceph cluster by using the kubernets.
In an embodiment of the present invention, hook may configure the block storage pool and storage class of a ceph cluster through the following Kubectl command provided by kubernets:
a)kubectl apply-f rook-ceph-blockpool.yaml
b)kubectl apply-f rook-ceph-rbd-sc.yaml。
in the embodiment of the present invention, hook may configure the file system of the ceph cluster through the following Kubectl command provided by kubernets: kubecect apply-f look-ceph-filesysem. yaml.
In the embodiment of the present invention, hook may configure object storage of a ceph cluster through the following Kubectl command provided by kubernets:
a)kubectl apply-f rook-ceph-objectstore.yaml
b)kubectl apply-f rook-ceph-objectstore-user.yaml
c)kubectl apply-f rook-ceph-rgw-objectstore-external.yaml。
in an embodiment of the present invention, the hook configuring the ceph cluster by using the kubernets includes:
and the hook modifies the number of the components of the ceph cluster by utilizing the kubernets, so as to realize the expansion or contraction of the ceph cluster.
In the embodiment of the present invention, hook may implement the expansion or contraction of ceph cluster through the following Kubectl command provided by kubernets: yaml kubecect apply-f cluster.
In an embodiment of the present invention, the hook configuring the ceph cluster by using the kubernets includes:
and the look deletes the ceph cluster by using the kubernets.
In the embodiment of the present invention, hook may delete ceph cluster through the following Kubectl command provided by kubernets: yaml kubecl delete-f cluster.
In an embodiment of the present invention, after the look implements ceph cluster by using kubernets, the method further includes:
the hook utilizes the kubernets to view the management resources of the ceph cluster;
the Rook utilizes the kubernets to view the block storage pool of the ceph cluster;
the hook utilizes the kubernets to view the file system of the ceph cluster;
the hook views the object store of the ceph cluster using the kubernets.
In the embodiment of the present invention, hook may view the management resource of ceph cluster through the following Kubectl command provided by kubernets: kubectl get all-n look-ceph-owide.
In an embodiment of the invention, Rook may view the chunk storage pool of a ceph cluster via the following Kubectl command provided by kubernets: kubectl get cephblockpool-n look-ceph, for example: kubecect apply-fnginx-rbd.yaml.
In the embodiment of the present invention, hook may view the file system of ceph cluster through the following Kubectl command provided by kubernets: kubecect get cephfileosystem-n look-ceph, for example: kubecect apply-fnginx-cephfs. yaml.
In the embodiment of the present invention, hook may view the object storage of ceph cluster through the following Kubectl command provided by kubernets: kubecect get cephobjectstore-n look-ceph.
In an embodiment of the present invention, hook manages a ceph cluster through a cluster file, and may specifically configure the number of mons, the number of osd, storage managed by osd, the number of mds, and the like.
In an embodiment of the present invention, hook may create ceph cluster through the following Kubectl command provided by kubernets: yaml.
In an embodiment of the present invention, after the configuration of hook is modified, a corresponding pod (container group) needs to be restarted, for example, after a cluster network is modified, a pod of a corresponding OSD needs to be restarted, and the restart method includes: and deleting the pod of the OSD.
The pod needs to restart one by one, and after one is successfully restarted, the other can be restarted.
When a ceph cluster is upgraded, the corresponding ceph mirror version implementation may be modified.
The method for managing the ceph cluster provided by the embodiment of the invention can conveniently complete life cycle management of creating, expanding, contracting, deleting and the like of the ceph cluster, and can obviously improve the management capability of the ceph.
The method for managing the ceph cluster provided by the embodiment of the invention can effectively improve the management and upgrading capabilities of the ceph cluster, can realize the full life cycle management of the ceph cluster, and can very conveniently finish the new version upgrading of the ceph cluster.
In an embodiment of the present invention, after a ceph cluster is implemented, the following procedures may be used to access the ceph cluster:
the client side creates a user through mon of the ceph cluster, and mon can synchronize information such as a user secret key to the MDS and the OSD;
the client accesses mon for authentication, and a ticket (authenticated ticket) is generated after the authentication is passed.
And the client accesses the corresponding MDS and OSD through ticket to finish the data storage or reading function.
The embodiment of the invention supports the containerization management capability of the ceph cluster, supports the multi-network capability of the ceph cluster, and supports the external access capability of block storage, object storage and file storage.
While container technology is the more popular PaaS technology that provides microservices, kubernets is the most popular container orchestration management technology in the near future, and kubernets is capable of providing a large number of container services.
The embodiment of the invention manages the ceph cluster by using the container service provided by Kubernetes, can improve the management capability of the ceph cluster, and can perform effective functions such as capacity expansion and contraction on the ceph cluster by using a simple Kubectl command.
It should be noted that: kubernets is a brand-new leading scheme of a distributed architecture based on a container technology, a series of functions such as deployment and operation, resource scheduling, service discovery and dynamic expansion are provided for containerized application on the basis of a Docker technology, and convenience and high availability of large-scale container cluster management are improved.
As shown in fig. 2, an embodiment of the present invention provides a cloud local storage coordinator, including:
an implementation module 201, configured to implement a ceph cluster by using kubernets;
a configuration module 202, configured to configure the ceph cluster by using the kubernets.
In an embodiment of the present invention, the configuration module is configured to configure the object storage data component of the ceph cluster by using the kubernets, so that the object storage data component communicates using a host network of the ceph cluster.
In an embodiment of the present invention, the configuration module is configured to perform:
utilizing the kubernets to set a cluster network and a public network in the ceph cluster;
configuring communication among a monitoring component, an object storage data component and a file metadata storage component of the ceph cluster through the public network by using the kubernets;
configuring, using the kubernets, communication between at least two of the object store data components of the ceph cluster over the cluster network.
In an embodiment of the present invention, the configuration module is configured to set, by using the kubernets, that an application outside the ceph cluster accesses the ceph cluster through a host network of the ceph cluster.
In an embodiment of the present invention, the configuration module is configured to perform:
configuring a block storage pool and a storage category of the ceph cluster by using the kubernets;
configuring a file system of the ceph cluster by using the kubernets;
and configuring the object storage of the ceph cluster by using the kubernets.
In an embodiment of the present invention, the configuration module is configured to modify the number of the components of the ceph cluster by using the kubernets, so as to implement the expansion or contraction of the ceph cluster.
In an embodiment of the present invention, the configuration module is configured to delete the ceph cluster by using the kubernets.
In an embodiment of the present invention, the cloud local storage coordinator further includes: a viewing module;
the viewing module is configured to perform:
viewing management resources of the ceph cluster by using the kubernets;
using the kubernets to view the block storage pool of the ceph cluster;
viewing the file system of the ceph cluster by using the kubernets;
and viewing the object storage of the ceph cluster by using the kubernets.
It is to be understood that the illustrated structure of the embodiment of the present invention does not constitute a specific limitation to the cloud local storage coordinator. In other embodiments of the invention, the cloud local storage coordinator may include more or fewer components than illustrated, or combine certain components, or split certain components, or a different arrangement of components. The illustrated components may be implemented in hardware, software, or a combination of software and hardware.
Because the information interaction, execution process, and other contents between the units in the device are based on the same concept as the method embodiment of the present invention, specific contents may refer to the description in the method embodiment of the present invention, and are not described herein again.
The present invention also provides a computer readable medium storing instructions for causing a computer to perform a method of managing ceph clusters as described herein. Specifically, a system or an apparatus equipped with a storage medium on which software program codes that realize the functions of any of the above-described embodiments are stored may be provided, and a computer (or a CPU or MPU) of the system or the apparatus is caused to read out and execute the program codes stored in the storage medium.
In this case, the program code itself read from the storage medium can realize the functions of any of the above-described embodiments, and thus the program code and the storage medium storing the program code constitute a part of the present invention.
Examples of the storage medium for supplying the program code include a floppy disk, a hard disk, a magneto-optical disk, an optical disk (e.g., CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD + RW), a magnetic tape, a nonvolatile memory card, and a ROM. Alternatively, the program code may be downloaded from a server computer via a communications network.
Further, it should be clear that the functions of any one of the above-described embodiments may be implemented not only by executing the program code read out by the computer, but also by causing an operating system or the like operating on the computer to perform a part or all of the actual operations based on instructions of the program code.
Further, it is to be understood that the program code read out from the storage medium is written to a memory provided in an expansion board inserted into the computer or to a memory provided in an expansion unit connected to the computer, and then causes a CPU or the like mounted on the expansion board or the expansion unit to perform part or all of the actual operations based on instructions of the program code, thereby realizing the functions of any of the above-described embodiments.
It should be noted that not all steps and modules in the above flows and system structure diagrams are necessary, and some steps or modules may be omitted according to actual needs. The execution order of the steps is not fixed and can be adjusted as required. The system structure described in the above embodiments may be a physical structure or a logical structure, that is, some modules may be implemented by the same physical entity, or some modules may be implemented by a plurality of physical entities, or some components in a plurality of independent devices may be implemented together.
In the above embodiments, the hardware unit may be implemented mechanically or electrically. For example, a hardware element may comprise permanently dedicated circuitry or logic (such as a dedicated processor, FPGA or ASIC) to perform the corresponding operations. The hardware elements may also comprise programmable logic or circuitry, such as a general purpose processor or other programmable processor, that may be temporarily configured by software to perform the corresponding operations. The specific implementation (mechanical, or dedicated permanent, or temporarily set) may be determined based on cost and time considerations.
While the invention has been shown and described in detail in the drawings and in the preferred embodiments, it is not intended to limit the invention to the embodiments disclosed, and it will be apparent to those skilled in the art that various combinations of the code auditing means in the various embodiments described above may be used to obtain further embodiments of the invention, which are also within the scope of the invention.
Claims (10)
1. The method for managing the ceph cluster is applied to a cloud local storage coordinator hook, and comprises the following steps:
the look realizes a ceph cluster by using kubernets;
and the look configures the ceph cluster by using the kubernets.
2. The method of claim 1,
the hook configures the ceph cluster by using the kubernets, and the configuration comprises the following steps:
and the hook configures the object storage data assembly of the ceph cluster by using the kubernets, so that the object storage data assembly communicates by using a host network of the ceph cluster.
3. The method of claim 1,
the hook configures the ceph cluster by using the kubernets, and the configuration comprises the following steps:
the hook sets a cluster network and a public network in the ceph cluster by using the kubernets;
the hook configures communication among a monitoring component, an object storage data component and a file metadata storage component of the ceph cluster through the public network by using the kubernets;
and the hook configures communication between at least two object storage data components of the ceph cluster through the cluster network by using the kubernets.
4. The method of claim 1,
the hook configures the ceph cluster by using the kubernets, and the configuration comprises the following steps:
and the hook sets an application outside the ceph cluster to access the ceph cluster through a host network of the ceph cluster by using the kubernets.
5. The method according to any one of claims 1 to 4,
the hook configures the ceph cluster by using the kubernets, and the configuration comprises the following steps:
the hook configures the block storage pool and the storage category of the ceph cluster by using the kubernets;
the hook configures a file system of the ceph cluster by using the kubernets;
the hook configures object storage of the ceph cluster by using the kubernets;
and/or the presence of a gas in the gas,
the hook configures the ceph cluster by using the kubernets, and the configuration comprises the following steps:
the hook modifies the number of the components of the ceph cluster by using the kubernets, so that the expansion or contraction of the ceph cluster is realized;
and/or the presence of a gas in the gas,
the hook configures the ceph cluster by using the kubernets, and the configuration comprises the following steps:
the hook deletes the ceph cluster by using the kubernets;
and/or the presence of a gas in the gas,
after the look implements ceph clustering with kubernets, further comprising:
the hook utilizes the kubernets to view the management resources of the ceph cluster;
the Rook utilizes the kubernets to view the block storage pool of the ceph cluster;
the hook utilizes the kubernets to view the file system of the ceph cluster;
the hook views the object store of the ceph cluster using the kubernets.
6. A cloud local storage coordinator, comprising:
the realization module is used for realizing the ceph cluster by utilizing kubernets;
and the configuration module is used for configuring the ceph cluster by utilizing the kubernets.
7. The apparatus of claim 6,
the configuration module is configured to configure the object storage data component of the ceph cluster by using the kubernets, so that the object storage data component communicates by using a host network of the ceph cluster.
8. The apparatus of claim 6,
the configuration module is configured to perform:
utilizing the kubernets to set a cluster network and a public network in the ceph cluster;
configuring communication among a monitoring component, an object storage data component and a file metadata storage component of the ceph cluster through the public network by using the kubernets;
configuring, using the kubernets, communication between at least two of the object store data components of the ceph cluster over the cluster network.
9. The apparatus of claim 6,
the configuration module is used for setting applications outside the ceph cluster to access the ceph cluster through a host network of the ceph cluster by using the kubernets.
10. The apparatus according to any one of claims 6 to 9,
the configuration module is configured to perform:
configuring a block storage pool and a storage category of the ceph cluster by using the kubernets;
configuring a file system of the ceph cluster by using the kubernets;
configuring object storage of the ceph cluster by using the kubernets;
and/or the presence of a gas in the gas,
the configuration module is used for modifying the number of the components of the ceph cluster by using the kubernets to realize the expansion or contraction of the ceph cluster;
and/or the presence of a gas in the gas,
the configuration module is used for deleting the ceph cluster by using the kubernets;
and/or the presence of a gas in the gas,
further comprising: a viewing module;
the viewing module is configured to perform:
viewing management resources of the ceph cluster by using the kubernets;
using the kubernets to view the block storage pool of the ceph cluster;
viewing the file system of the ceph cluster by using the kubernets;
and viewing the object storage of the ceph cluster by using the kubernets.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113126922A (en) * | 2021-04-09 | 2021-07-16 | 浪潮软件科技有限公司 | Dynamic storage class management method and device based on Kubernetes |
| WO2022002148A1 (en) * | 2020-07-01 | 2022-01-06 | 中兴通讯股份有限公司 | Resource scheduling method, resource scheduling system, and device |
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