CN116389233A - Container cloud management platform active-standby switching system, method and device and computer equipment - Google Patents
Container cloud management platform active-standby switching system, method and device and computer equipment Download PDFInfo
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Abstract
The application relates to a container cloud management platform active-standby switching system, a method, an apparatus, a computer device, a storage medium and a computer program product. The system comprises: the first container cloud management platform is used for switching the running state of the first container cloud management platform from a standby state to a main state; the first management platform data restorer is used for synchronizing the management platform data of the second container cloud management platform backed up in the intermediate database into the first management platform database; the first mirror platform data controller is used for synchronizing mirror platform backup data of the second container cloud management platform backed up in the intermediate database to the first mirror platform database; the first container cloud management platform is further used for receiving a flow access request sent by the external load balancer and providing corresponding container services according to the flow access request. By adopting the system, the operation reliability of the container cloud management platform can be improved.
Description
Technical Field
The present application relates to the field of cloud computing technology, and in particular, to a container cloud management platform system, a method, an apparatus, a computer device, a storage medium, and a computer program product.
Background
With the rise of the second generation cloud computing technology taking the container as a core, in order to improve the service scale bearing capacity and the resource utilization rate, a container cloud management platform appears.
Under the traditional large-scale business scene, the container cloud management platform is easy to fail, so that the containerized application in the cloud management platform cannot be effectively controlled, and service loss is caused, and the operation reliability of the container cloud management platform is lower.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a container cloud management platform active-standby switching system, method, apparatus, computer device, computer readable storage medium, and computer program product that can improve the operational reliability of a container cloud management platform.
In a first aspect, the present application provides a container cloud management platform active-standby switching system, where the system includes: a first container cloud management platform and a second container cloud management platform corresponding to the same container cluster as the first container cloud management platform; the first container cloud management platform comprises a first management platform data restorer, a first mirror image platform data controller, a first container cluster database, a first management platform database and a first mirror image platform database; the second container cloud management platform comprises a second resource federation controller, and container cluster data in the first container cluster database are obtained synchronously according to the second resource federation controller;
The first container cloud management platform is used for switching the operation state of the first container cloud management platform from a standby state to a main state under the condition that a fault exists in the second container cloud management platform with the operation state being the main state is detected;
the first management platform data restorer is used for synchronizing the management platform data of the second container cloud management platform backed up in the intermediate database to the first management platform database under the condition that the running state of the first container cloud management platform is the main state;
the first mirror platform data controller is configured to, when the running state of the first container cloud management platform is a master state, synchronize mirror platform backup data of the second container cloud management platform backed up in the intermediate database to the first mirror platform database;
the first container cloud management platform is further configured to receive a traffic access request sent by an external load balancer when the management platform data and the mirror platform backup data are successfully synchronized from the intermediate database, and provide a corresponding container service according to the traffic access request.
In one embodiment, the first management platform data restorer is further configured to obtain, from the intermediate database, management platform data of the second container cloud management platform when an operation state of the first container cloud management platform is a main state; identifying a client corresponding to the management platform data; identifying a target subdirectory corresponding to the client from the first management platform database; synchronizing the management platform data to the target subdirectory; and under the condition that the management platform data are successfully synchronized, starting the first management platform database.
In one embodiment, the second container cloud management platform further comprises a second container cluster database;
the second container cloud management platform is used for switching the operation state of the second container cloud management platform from the main state to the standby state under the condition that the operation state of the first container cloud management platform is detected to be switched from the standby state to the main state;
the second resource federation controller is configured to monitor a second container cluster database of the second container cloud management platform, and synchronize the container cluster data to the first container cluster database when the container cluster data stored in the second container cluster database is updated.
In one embodiment, the second container cloud management platform further includes a second management platform data backup, a second mirror platform data controller, a second management platform database, and a second mirror platform database;
the second management platform data backup device is used for responding to a management platform data backup instruction and accessing the second management platform database under the condition that the running state of the second container cloud management platform is a main state; acquiring management platform data in the second management platform database; backing up the management platform data to the intermediate database;
the second mirror platform data controller is used for accessing the second mirror platform database under the condition that the running state of the second container cloud management platform is the main state; obtaining mirror platform backup data in the second mirror platform database; and backing up the mirror platform backup data to the intermediate database.
In one embodiment, the system further comprises the external load balancer, and the external load balancer is connected with the first container cloud management platform and the second container cloud management platform respectively;
The external load balancer is used for identifying a target container cloud management platform with a main running state in the container cloud management platform main-standby switching system under the condition of receiving a flow access request sent by a client; and sending the flow access request sent by the client to the target container cloud management platform.
In a second aspect, the present application provides a method for switching between a primary and a backup of a container cloud management platform, which is applied to a first container cloud management platform, and the method includes:
under the condition that a fault exists in a second container cloud management platform with a main running state, switching the running state of the first container cloud management platform from a standby state to the main state; the second container cloud management platform and the first container cloud management platform correspond to the same container cluster; the container cluster data in the first container cluster database are obtained synchronously according to a second resource federation controller of the second container cloud management platform;
under the condition that the running state of the first container cloud management platform is the main state, synchronizing the management platform data of the second container cloud management platform backed up in an intermediate database to the first management platform database of the first container cloud management platform through a first management platform data restorer of the first container cloud management platform, and synchronizing the mirror platform backup data of the second container cloud management platform backed up in the intermediate database to the first mirror platform database of the first container cloud management platform through a first mirror platform data controller of the first container cloud management platform;
And under the condition that the management platform data and the mirror platform backup data are successfully synchronized from the intermediate database, receiving a flow access request sent by an external load balancer, and providing corresponding container service according to the flow access request.
In a third aspect, the present application further provides a device for switching between the active and standby of the container cloud management platform. The device comprises:
the state switching module is used for switching the operation state of the first container cloud management platform from the standby state to the main state under the condition that the second container cloud management platform with the operation state being the main state is detected to have a fault; the second container cloud management platform and the first container cloud management platform correspond to the same container cluster; the container cluster data in the first container cluster database are obtained synchronously according to a second resource federation controller of the second container cloud management platform;
the data backup module is used for synchronizing the management platform data of the second container cloud management platform in the intermediate database through the first management platform data restorer of the first container cloud management platform to the first management platform database of the first container cloud management platform and synchronizing the mirror platform backup data of the second container cloud management platform in the intermediate database to the first mirror platform database of the first container cloud management platform through the first mirror platform data controller of the first container cloud management platform under the condition that the running state of the first container cloud management platform is the main state;
And the service providing module is used for receiving a flow access request sent by an external load balancer under the condition that the management platform data and the mirror platform backup data are successfully synchronized from the intermediate database, and providing corresponding container service according to the flow access request.
In a fourth aspect, the present application also provides a computer device. The computer device comprises a memory storing a computer program and a processor which when executing the computer program performs the steps of:
under the condition that a fault exists in a second container cloud management platform with a main running state, switching the running state of the first container cloud management platform from a standby state to the main state; the second container cloud management platform and the first container cloud management platform correspond to the same container cluster; the container cluster data in the first container cluster database are obtained synchronously according to a second resource federation controller of the second container cloud management platform;
under the condition that the running state of the first container cloud management platform is the main state, synchronizing the management platform data of the second container cloud management platform backed up in an intermediate database to the first management platform database of the first container cloud management platform through a first management platform data restorer of the first container cloud management platform, and synchronizing the mirror platform backup data of the second container cloud management platform backed up in the intermediate database to the first mirror platform database of the first container cloud management platform through a first mirror platform data controller of the first container cloud management platform;
And under the condition that the management platform data and the mirror platform backup data are successfully synchronized from the intermediate database, receiving a flow access request sent by an external load balancer, and providing corresponding container service according to the flow access request.
In a fifth aspect, the present application also provides a computer-readable storage medium. The computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:
under the condition that a fault exists in a second container cloud management platform with a main running state, switching the running state of the first container cloud management platform from a standby state to the main state; the second container cloud management platform and the first container cloud management platform correspond to the same container cluster; the container cluster data in the first container cluster database are obtained synchronously according to a second resource federation controller of the second container cloud management platform;
under the condition that the running state of the first container cloud management platform is the main state, synchronizing the management platform data of the second container cloud management platform backed up in an intermediate database to the first management platform database of the first container cloud management platform through a first management platform data restorer of the first container cloud management platform, and synchronizing the mirror platform backup data of the second container cloud management platform backed up in the intermediate database to the first mirror platform database of the first container cloud management platform through a first mirror platform data controller of the first container cloud management platform;
And under the condition that the management platform data and the mirror platform backup data are successfully synchronized from the intermediate database, receiving a flow access request sent by an external load balancer, and providing corresponding container service according to the flow access request.
In a sixth aspect, the present application also provides a computer program product. The computer program product comprises a computer program which, when executed by a processor, implements the steps of:
under the condition that a fault exists in a second container cloud management platform with a main running state, switching the running state of the first container cloud management platform from a standby state to the main state; the second container cloud management platform and the first container cloud management platform correspond to the same container cluster; the container cluster data in the first container cluster database are obtained synchronously according to a second resource federation controller of the second container cloud management platform;
under the condition that the running state of the first container cloud management platform is the main state, synchronizing the management platform data of the second container cloud management platform backed up in an intermediate database to the first management platform database of the first container cloud management platform through a first management platform data restorer of the first container cloud management platform, and synchronizing the mirror platform backup data of the second container cloud management platform backed up in the intermediate database to the first mirror platform database of the first container cloud management platform through a first mirror platform data controller of the first container cloud management platform;
And under the condition that the management platform data and the mirror platform backup data are successfully synchronized from the intermediate database, receiving a flow access request sent by an external load balancer, and providing corresponding container service according to the flow access request.
The system, the method, the device, the computer equipment, the storage medium and the computer program product for switching the operation state of the first container cloud management platform from the standby state to the main state under the condition that the first container cloud management platform detects that the second container cloud management platform with the operation state being the main state has a fault; the method comprises the steps that through a first management platform data restorer, under the condition that the running state of a first container cloud management platform is a main state, management platform data of a second container cloud management platform backed up in an intermediate database are synchronized to a first management platform database; under the condition that the running state of the first container cloud management platform is the main state, the first mirror platform data controller is used for synchronizing mirror platform backup data of the second container cloud management platform backed up in the intermediate database to the first mirror platform database; and receiving a flow access request sent by an external load balancer by the first container cloud management platform under the condition that the platform data and the mirror image platform backup data are successfully synchronously managed in the intermediate database, and providing corresponding container service according to the flow access request. In this way, the container cluster data synchronized by the second resource federal controller, the management platform data synchronized by the first management platform data restorer from the intermediate database, and the mirror platform backup data synchronized by the first mirror platform data controller from the intermediate database can ensure that the data of the first container cloud management platform is consistent with the data of the second container cloud management platform, so that the first container cloud management platform can replace the second container cloud management platform to receive the flow access request sent by the external load balancer under the condition that the second container cloud management platform fails, and continuously and completely provide corresponding container services to the outside, thereby avoiding the service loss of the single container cloud management platform caused by the failure and improving the operation reliability of the container cloud management platform.
Drawings
FIG. 1 is an application environment diagram of a container cloud management platform active-standby switching system in one embodiment;
FIG. 2 is a flow chart of a method for switching between active and standby of a container cloud management platform according to an embodiment;
FIG. 3 is a flow chart of a method for designing a main/standby architecture of a container cloud management platform based on kubrefed (open-source multi-cluster management scheme) in one embodiment;
FIG. 4 is a block diagram illustrating a configuration of a device for switching between active and standby of a container cloud management platform according to an embodiment;
fig. 5 is an internal structural diagram of a computer device in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
In an exemplary embodiment, as shown in fig. 1, there is provided a container cloud management platform active-standby switching system, including: a first container cloud management platform 110, a second container cloud management platform 120 corresponding to the same container cluster as the first container cloud management platform 110, an intermediate database 130, and an external load balancer 140; a first container cloud management platform 110 comprising a first federal resource controller 111, a first container cluster database 112, a first management platform data restorer 113, a first management platform database 114, a first mirror platform data controller 115, a first mirror platform database 116, and a first mirror platform 117; second container cloud management platform 120, comprising second federation resource controller 121, second container cluster database 122, second management platform data backup 123, second management platform database 124, second mirror platform data controller 125, second mirror platform database 126, and second mirror platform 127; the first container cloud management platform 110, the second container cloud management platform 120, the intermediate database 130 and the external load balancer 140 are connected through network communication.
The first container cloud management platform 110 is configured to switch the operation state of the first container cloud management platform 110 from the standby state to the primary state when detecting that the second container cloud management platform 120 having the operation state as the primary state has a fault; a first management platform data restorer 113, configured to synchronize the management platform data of the second container cloud management platform 120 backed up in the intermediate database 130 to the first management platform database 114 when the running state of the first container cloud management platform 110 is the master state; the first mirror platform data controller 115 is configured to synchronize mirror platform backup data of the second container cloud management platform 120 backed up in the intermediate database 130 to the first mirror platform database 116 when the running state of the first container cloud management platform 110 is a master state; the first container cloud management platform 110 is further configured to receive a traffic access request sent by the external load balancer 140 when the platform data and the mirror platform backup data are successfully managed in the intermediate database 130, and provide a corresponding container service according to the traffic access request.
Wherein the first container cloud management platform 110 and the second container cloud management platform 120 correspond to the same container cluster, such as kubreffed integrated in kubrenetes (applications for managing containerization on multiple hosts in a cloud platform). In the system operation process, the second container cloud management platform 120 is generally used as a main platform to provide container services to the outside, and when the second container cloud management platform 120 fails, the first container cloud management platform 110 is used as the main platform to provide container services to the outside, so that the operation reliability of the container cloud management platform is ensured.
The container cluster data in the first container cluster database 112 of the first container cloud management platform 110 is obtained synchronously through the second federation resource controller 121, so as to ensure that the container cluster data of the first container cloud management platform 110 and the container cluster data of the second container cloud management platform 120 are kept consistent. The container cluster data refers to metadata in container clusters, such as cluster information of kubernetes and kubreffed, cluster resource information, federal cluster information and the like; the container cluster database may be an open-source, distributed key-value data storage system etcd database.
The management platform data comprises platform users, platform rights, platform menus, user rights and the like; the management platform database may be a relational database mysql database; the intermediate database 130 refers to a database independent of the first container cloud management platform 110 and the second container cloud management platform 120 in the container cloud management platform active-standby switching system, and may be a database minidatabase providing a distributed deployment scheme.
The backup data of the mirror image platform refers to backup data of the mirror image platform in the container cloud management platform, and related information of the mirror image platform such as a harbor platform can be updated according to the backup data of the mirror image platform, wherein the related information comprises user data, authority, menus and the like of the harbor; the mirrored platform database may be a relational database postgresql database.
Wherein the external load balancer 140 is configured to determine a container cloud management platform that handles traffic access requests.
Specifically, in the operation process, the second container cloud management platform 120 with the operation state being the main state provides container services to the outside, and when the second container cloud management platform 120 fails, the second container cloud management platform 120 sends failure information to the first container cloud management platform 110 with the operation state being the standby state; the first container cloud management platform 110 detects that the second container cloud management platform 120 fails according to the received failure information, so that the operation state of the first container cloud management platform is switched to the main state, and the container cloud management platform provides container services for the outside.
When the operation state of the first container cloud management platform 110 is switched to the main state, the first management platform data restorer 113 synchronizes the data of the management platform backed up by the second container cloud management platform 120 into the first management platform database 114 from the intermediate database 130, thereby ensuring that the management platform data of the first container cloud management platform 110 and the second container cloud management platform 120 are kept consistent; then, the first management platform database 114 in the first container cloud management platform 110 is started, so that the first management platform database 114 continues to store the newly added management platform data under the condition that the first container cloud management platform 110 provides services to the outside.
While the first management platform data restorer 113 synchronizes management platform data, the first mirror platform data controller 115 synchronizes mirror platform backup data backed up by the second container cloud management platform 120 into the first mirror platform database 116 from the intermediate database 130; then updating the mirror platform data of the first container cloud management platform 110 according to the mirror platform backup file, so as to ensure that the mirror platform data of the first container cloud management platform 110 and the second container cloud management platform 120 are consistent; and then starting the mirror platform and the first mirror platform database 116 in the first container cloud management platform 110, so that the first mirror platform database 116 continues to store newly added mirror platform data under the condition that the first container cloud management platform 110 provides services for the outside.
After the first container cloud management platform 110 successfully synchronizes the management platform data and the mirror platform backup data of the second container cloud management platform 120 from the intermediate database 130, the first container cloud management platform 110 receives the traffic access request sent by the external load balancer 140, identifies a container corresponding to the client sending the traffic access request according to the traffic access request, and provides corresponding services to the outside according to the container corresponding to the client.
It should be noted that, the harbor platform itself can provide the mirror image copy policy, so the mirror image copy policy of the harbor platform may be adopted to complete the synchronization of the mirror image file from the second mirror image platform 127 of the second container cloud management platform 120 to the first mirror image platform 117 of the first container cloud management platform 110.
It can be understood that, the first management platform data restorer 113 and the first mirror platform data controller 115 may also backup data from the intermediate database 130 in real time when the running state of the first container cloud management platform 110 is a standby state, so as to ensure that the management platform data mirror platform data of the first container cloud management platform 110 and the second container cloud management platform 120 keep consistent in real time.
It can be further understood that the first container cloud management platform 110 further includes a first federal resource controller 111, configured to receive the container cluster data synchronized by the first container cluster database 112 and synchronize the container cluster data to the second container cloud management platform 120 when the operation state of the first container cloud management platform 110 is the primary state. In addition, the first federal resource controller 111 can synchronize the container cluster data of the first container cloud management platform 110 into the second container cluster database 122; the first mirror platform data controller 115 is capable of backing up mirror platform backup data of the first container cloud management platform 110 into the intermediate database 130.
In the above container cloud management platform active-standby switching system, when detecting that the second container cloud management platform 120 whose operation state is the active state has a fault, the first container cloud management platform 110 switches the operation state of the first container cloud management platform 110 from the standby state to the active state; synchronizing, by the first management platform data restorer 113, the management platform data of the second container cloud management platform 120 backed up in the intermediate database 130 into the first management platform database 114; the mirror platform backup data of the second container cloud management platform 120 backed up in the intermediate database 130 is synchronized into the first mirror platform database 116 through the first mirror platform data controller 115; also, through the first container cloud management platform 110, in case of successfully synchronizing management platform data and mirror platform backup data in the intermediate database 130, a traffic access request sent by the external load balancer 140 is received, and a corresponding container service is provided according to the traffic access request. In this way, the container cluster data obtained by the second resource federal controller 121, the management platform data obtained by the first management platform data restorer 113 and the mirror platform backup data obtained by the first mirror platform data controller 115 can ensure that the data of the first container cloud management platform 110 is consistent with the data of the second container cloud management platform 120, so that the first container cloud management platform 110 can continuously and completely provide corresponding container services to the outside under the condition that the second container cloud management platform 120 fails, thereby avoiding service loss of a single container cloud management platform caused by failure and improving the operation reliability of the container cloud management platform.
In an exemplary embodiment, the first management platform data restorer 113 is further configured to obtain, in the case that the operation state of the first container cloud management platform 110 is the main state, management platform data of the second container cloud management platform 120 from the intermediate database 130; identifying a client corresponding to the management platform data; identifying a target subdirectory corresponding to the client from the first management platform database 114; synchronizing the management platform data to the target subdirectory; in case of successful synchronization of the management platform data, the first management platform database 114 is started.
The client corresponding to the management platform data is a client of a user needing to call the container service; the management platform data of different clients should be stored in different database subdirectories.
Specifically, referring to FIG. 1, in the first management platform database 114, each instance contains an initialization container; when the operation state of the first container cloud management platform 110 is switched to the main state, the first management platform data restorer 113 accesses the intermediate database 130, and acquires management platform data of the second container cloud management platform 120 from the intermediate database 130; then, identifying the client corresponding to each management platform data by analyzing the management platform data, identifying the instance corresponding to the identifier of the client and the corresponding target subdirectory from the first management platform database 114 according to the identifier of the client, and downloading each management platform data into the initialization container of the corresponding instance; then, restoring the data of each management platform to the corresponding target subdirectory respectively; then, in the case that all the management platform data are successfully synchronized, the first management platform database 114 is started, so that the first management platform database 114 records the management platform data added by the first container cloud management platform 110 when the first container cloud management platform 110 is provided outside.
In this embodiment, the first management platform data restorer 113 is capable of synchronizing the management platform data of the second container cloud management platform 120 from the intermediate database 130 to the corresponding subdirectory in the first management platform database 114 of the first container cloud management platform 110, so as to ensure consistency of the management platform data of the first container cloud management platform 110 and the second container cloud management platform 120, thereby improving operation reliability of the container cloud management platform.
In an exemplary embodiment, the second container cloud management platform 120 is configured to switch the operation state of the second container cloud management platform 120 from the primary state to the standby state when detecting that the operation state of the first container cloud management platform 110 is switched from the standby state to the primary state.
The second resource federation controller 121 is configured to monitor the second container cluster database 122 of the second container cloud management platform 120, and synchronize the container cluster data to the first container cluster database 112 of the first container cloud management platform 110 in the case of updating the container cluster data stored in the second container cluster database 122.
Specifically, referring to fig. 1, after the first container cloud management platform 110 successfully switches the operation state, successful switching information is sent to the second container cloud management platform 120; the second container cloud management platform 120 detects that the first container cloud management platform 110 completes the switching of the running state according to the received successful switching information, and then switches the running state of the second container cloud management platform from the main state to the standby state; and send a fault alert to system operation personnel.
In the process of providing services to the outside of the second container cloud management platform 120, the second resource federation controller 121 monitors the second container cluster database 122 in real time, and in the case that the container cluster data in the second container cluster database 122 is updated by adding, deleting, modifying, and the like, the updated container cluster data is synchronized into the first container cluster database 112 through the first federation resource controller 111 of the first container cloud management platform 110.
In this embodiment, through the operation state switching of the second container cloud management platform 120, only one container cloud management platform that provides services to the outside in the system can be ensured, so that the situations of repetition, failure, loss and the like of service provision are avoided; in addition, the second resource federation controller 121 monitors and synchronizes the container cluster data, so that the container cluster data stored by the first container cloud management platform 110 and the second container cloud management platform 120 are kept consistent, and the platform data is not lost due to faults. Based on the technical scheme, the operation reliability of the container cloud management platform is improved.
In an exemplary embodiment, the second container cloud management platform 120 further comprises a second management platform data backup 123, a second mirror platform data controller 125, a second management platform database 124, and a second mirror platform database 126; a second management platform data backup device 123, configured to access the second management platform database 124 in response to a management platform data backup instruction when the running state of the second container cloud management platform 120 is the primary state; acquiring management platform data in the second management platform database 124; backup management platform data to the intermediate database 130; a second mirror platform data controller 125, configured to access a second mirror platform database 126 when the running state of the second container cloud management platform 120 is the master state; obtaining mirror platform backup data in a second mirror platform database 126; the mirrored platform backup data is backed up to the intermediate database 130.
Specifically, referring to fig. 1, the second container cloud management platform 120 further includes a second management platform data backup device 123, a second mirror platform data controller 125, a second management platform database 124, and a second mirror platform database 126; in the case that the second container cloud management platform 120 provides services to the outside, the second management platform data backup 123 accesses the second management platform database 124 to take management platform data at regular time or in real time in response to the management platform data backup instruction, and then backs up the management platform data to the intermediate database 130; meanwhile, the second mirror platform data controller 125 accesses the storage path of the second mirror platform database 126, backs up the backup files in the second mirror platform database 126 as mirror platform backup data, and stores the mirror platform backup data in the intermediate database 130.
For example, when real-time backup is needed, the second management platform data backup device 123 responds to the management platform data backup command to create a backup task, accesses the physical files on the second management platform database 124 on the same host through the backup tool such as the xtrap (a data backup tool supporting online hot backup) running inside the backup task, performs backup of the management platform data, and uploads the backed-up management platform data to the intermediate database 130 through the client program of the intermediate database 130 after the backup of the management platform data is completed. When the timing backup is needed, the second management platform data backup 123 needs to create a timing backup task in advance, and main attributes of the timing backup task include backup retention times, timing expressions and the like; when the timing expression reaches the timing time, the timing backup task creates a corresponding management platform data backup instruction, so that the real-time backup is triggered at fixed time.
It can be understood that, in the first container cloud management platform 110, there is a first management platform data backup device, configured to backup, when the running state of the first container cloud management platform 110 is the primary state, the management platform data newly added by the first container cloud management platform 110 to the intermediate database 130.
It can also be appreciated that in the second container cloud management platform 120, there is a second management platform data restorer for restoring the management platform data of the first container cloud management platform 110 backed up in the intermediate database 130 to the second container cloud management platform 120 when the first container cloud management platform 110 fails.
In this embodiment, the second management platform data backup device 123 performs timing or real-time backup of management platform data by responding to a management platform data backup command, so that the management platform data can be completely backed up to the intermediate database 130, and when the second container cloud management platform 120 fails, the first container cloud management platform 110 can also provide services based on the management platform data backed up by the intermediate database 130, thereby improving the operational reliability of the container cloud management platform.
In an exemplary embodiment, the container cloud management platform primary-backup switching system further includes an external load balancer 140, where the external load balancer 140 is connected to the first container cloud management platform 110 and the second container cloud management platform 120, respectively; the external load balancer 140 is configured to identify, when receiving a traffic access request sent by a client, a target container cloud management platform whose operation state is a primary state in a primary-standby switching system of the container cloud management platform; and sending the traffic access request sent by the client to a target container cloud management platform.
Specifically, referring to fig. 1, when the external load balancer 140 receives a traffic access request sent by a client, the external load balancer identifies, by an identifier of a resource federal controller of a container cloud management platform, a target container cloud management platform whose operation state is a primary state in a primary-standby switching system of the container cloud management platform, and sends the traffic access request sent by the client to the target container cloud management platform, so that the target container cloud management platform provides corresponding container services to the outside.
For example, when the first container cloud management platform 110 switches the running state from the standby state to the primary state, the identifier of the first resource federal controller 111 may also be changed from the slave identifier to the master identifier; and when the second container cloud management platform 120 switches the running state from the primary state to the standby state, the identifier of the second resource federal controller 121 is also changed from the master identifier to the slave identifier. The external load balancer 140 may thus identify the target container cloud management platform with its operational state in the primary state by identifying the resource federal controller identified as the master identifier.
In this embodiment, the external load balancer 140 screens out the target container cloud management platform capable of providing the container service to the outside in response to the traffic access request of the client by identifying the operation state of the container cloud management platform, so as to avoid the situation that the traffic access request is sent to the container cloud management platform which has failed and cannot provide the service, thereby improving the operation reliability of the container cloud management platform.
In an exemplary embodiment, as shown in fig. 2, a method for switching between a primary and a secondary of a container cloud management platform applied to a primary and a secondary of a container cloud management platform is provided, and the method is applied to the first container cloud management platform 110 in fig. 1 for illustration, and includes the following steps:
in step S202, when detecting that the second container cloud management platform 120 with the operation state being the primary state has a fault, the operation state of the first container cloud management platform 110 is switched from the standby state to the primary state.
Wherein the second container cloud management platform 120 corresponds to the same container cluster as the first container cloud management platform 110; the container cluster data in the first container cluster database 112 of the first container cloud management platform 110 is obtained synchronously according to the second resource federation controller 121 of the second container cloud management platform 120.
Specifically, after the first container cloud management platform 110 receives the fault information sent by the second container cloud management platform 120 with the operation state being the main state, the fault information detects that the second container cloud management platform 120 has a fault, so as to switch the operation state of the first container cloud management platform from the standby state to the main state.
In step S204, in the case that the operation state of the first container cloud management platform 110 is the master state, the management platform data of the second container cloud management platform 120 backed up in the intermediate database 130 is synchronized to the first management platform database 114 of the first container cloud management platform 110 through the first management platform data restorer 113 of the first container cloud management platform 110, and the mirror platform backup data of the second container cloud management platform 120 backed up in the intermediate database 130 is synchronized to the first mirror platform database 116 of the first container cloud management platform 110 through the first mirror platform data controller 115 of the first container cloud management platform 110.
Specifically, referring to fig. 1, after the operation state of the first container cloud management platform 110 is switched to the main state, the intermediate database 130 is accessed through the first management platform data restorer 113, and the management platform data of the second container cloud management platform 120 backed up in the intermediate database 130 is synchronized into the first management platform database 114; meanwhile, the first mirror platform data controller 115 accesses the intermediate database 130, and the mirror platform backup data of the second container cloud management platform 120 backed up in the intermediate database 130 is synchronized into the first mirror platform database 116 of the first container cloud management platform 110.
In step S206, in the case of successfully synchronizing the management platform data and the mirror platform backup data in the intermediate database 130, the traffic access request sent by the external load balancer 140 is received, and the corresponding container service is provided according to the traffic access request.
Specifically, the first container cloud management platform 110 receives the traffic access request sent by the external load balancer 140 when the platform data and the mirror platform backup data are successfully managed in the intermediate database 130, identifies a container corresponding to a client sending the traffic access request according to the traffic access request, and provides corresponding container services to the outside according to the container corresponding to the client.
For specific limitation of the steps of the primary-standby switching method of the container cloud management platform, reference may be made to related embodiments of the primary-standby switching system of the container cloud management platform, which are not described herein.
In the above container cloud management platform active-standby switching method, the first container cloud management platform 110 continuously and completely provides the corresponding container service under the condition that the second container cloud management platform 120 fails, so that the service loss of the single container cloud management platform due to the failure is avoided, and the operation reliability of the container cloud management platform is improved.
In order to clearly illustrate the method for switching between the active and the standby of the container cloud management platform provided by the embodiment of the present application, a specific embodiment is used to specifically illustrate the method for switching between the active and the standby of the container cloud management platform. In an exemplary embodiment, the present application further provides a kubreffed-based container cloud management platform primary and secondary architecture design method as shown in fig. 3, which specifically includes the following steps:
Step S301: and kubreffed is integrated in kubrennetes clusters, so that double activities of a cluster service system are ensured.
Step S302: and respectively deploying a set of container cloud management platforms in the double machine rooms, wherein the container cloud management platforms are a first container cloud management platform and a second container cloud management platform respectively and are used for managing container clusters.
Step S303: the second federation resource controller of the second container cloud management platform monitors federation resource data changes of a second etcd cluster storing kubernetes metadata and kubreffed metadata, and synchronizes the etcd data into the first etcd cluster of the first container cloud management platform through the first federation resource controller of the first container cloud management platform.
Step S304: and the second container cloud management platform realizes real-time or timed backup of the container cloud management platform data in the mysql database to a minio database independent of the first container cloud management platform and the second container cloud management platform through a second management platform data backup device.
Step S305: the second container cloud management platform completes mirror synchronization in real time through a mirror image copying strategy provided by the harbor platform; and storing dump sql (backup file of postgresql database) in the postgresql database storing the mirrored platform data into a minidatabase is realized by the second mirrored platform data controller.
Step S306: when the second container cloud management platform fails, the first container cloud management platform synchronizes the container cloud management platform data from the minio database through the first management platform data restorer, and synchronizes the backup files of the postgresql database from the minio database through the first mirror platform data controller.
Step S307: and the external load balancer controls the flow access of the first container cloud management platform and the second container cloud management platform.
Step S308: repairing the second container cloud management platform.
In this embodiment, the federal resource controller ensures that etcd cluster data, that is, kubernetes metadata and kubreffed metadata, between two container cloud management platforms are consistent; the management platform data backup device and the management platform data restorer ensure that mysql database data between two container cloud management platforms, namely the container cloud management platform data are kept consistent; the mirror platform data control ensures that postgresql database data between two container cloud management platforms, namely mirror platform data, are kept consistent, and traffic access of the two container cloud management platforms is switched by configuring domain name resolution through an external load balancer. Therefore, when one container cloud management platform fails, the service cluster can be rapidly switched to the other container cloud management platform to manage the service cluster, the stability of the container cloud management platform and the service system is ensured, and disaster recovery scenes of the container cloud management platform can be rapidly processed.
It should be understood that, although the steps in the flowcharts related to the embodiments described above are sequentially shown as indicated by arrows, these steps are not necessarily sequentially performed in the order indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in the flowcharts described in the above embodiments may include a plurality of steps or a plurality of stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of the steps or stages is not necessarily performed sequentially, but may be performed alternately or alternately with at least some of the other steps or stages.
Based on the same inventive concept, the embodiment of the application also provides a device for switching the main and the standby of the container cloud management platform, which is used for realizing the above related method for switching the main and the standby of the container cloud management platform. The implementation scheme of the solution to the problem provided by the device is similar to the implementation scheme recorded in the method, so the specific limitation in the embodiments of the device for switching the primary and the secondary of the container cloud management platform provided below can be referred to the limitation of the method for switching the primary and the secondary of the container cloud management platform hereinabove, and the description is omitted here.
In an exemplary embodiment, as shown in fig. 4, there is provided a container cloud management platform active-standby switching device, including: a state switching module 402, a data backup module 404, and a service providing module 406, wherein:
the state switching module 402 is configured to switch the operation state of the first container cloud management platform from the standby state to the main state when detecting that the second container cloud management platform whose operation state is the main state has a fault; the second container cloud management platform and the first container cloud management platform correspond to the same container cluster; and the container cluster data in the first container cluster database are obtained synchronously according to the second resource federation controller of the second container cloud management platform.
The data backup module 404 is configured to, when the running state of the first container cloud management platform is the master state, synchronize, by using a first management platform data restorer of the first container cloud management platform, the management platform data of the second container cloud management platform in the intermediate database to the first management platform database of the first container cloud management platform, and synchronize, by using a first mirror platform data controller of the first container cloud management platform, the mirror platform backup data of the second container cloud management platform in the intermediate database to the first mirror platform database of the first container cloud management platform.
The service providing module 406 is configured to receive a traffic access request sent by the external load balancer, and provide a corresponding container service according to the traffic access request, where the traffic access request is used for successfully synchronizing management platform data and mirror platform backup data in the intermediate database.
All or part of each module in the main and standby switching device of the container cloud management platform can be realized by software, hardware and a combination thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
In an exemplary embodiment, a computer device is provided, which may be a server, and an internal structure thereof may be as shown in fig. 5. The computer device includes a processor, a memory, an Input/Output interface (I/O) and a communication interface. The processor, the memory and the input/output interface are connected through a system bus, and the communication interface is connected to the system bus through the input/output interface. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the computer equipment is used for storing container cluster data, management platform data, mirror platform data and other data in the container cloud management platform. The input/output interface of the computer device is used to exchange information between the processor and the external device. The communication interface of the computer device is used for communicating with an external terminal through a network connection. The computer program when executed by the processor is used for realizing a container cloud management platform active-standby switching method.
It will be appreciated by those skilled in the art that the structure shown in fig. 5 is merely a block diagram of some of the structures associated with the present application and is not limiting of the computer device to which the present application may be applied, and that a particular computer device may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
In an exemplary embodiment, a computer device is also provided, comprising a memory and a processor, the memory having stored therein a computer program, the processor implementing the steps of the method embodiments described above when the computer program is executed.
In an exemplary embodiment, a computer-readable storage medium is provided, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method embodiments described above.
In an exemplary embodiment, a computer program product is provided, comprising a computer program which, when executed by a processor, implements the steps of the method embodiments described above.
It should be noted that, the user information (including, but not limited to, user equipment information, user personal information, etc.) and the data (including, but not limited to, data for analysis, stored data, presented data, etc.) referred to in the present application are information and data authorized by the user or sufficiently authorized by each party, and the collection, use and processing of the related data are required to comply with the related laws and regulations and standards of the related countries and regions.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the various embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high density embedded nonvolatile Memory, resistive random access Memory (ReRAM), magnetic random access Memory (Magnetoresistive Random Access Memory, MRAM), ferroelectric Memory (Ferroelectric Random Access Memory, FRAM), phase change Memory (Phase Change Memory, PCM), graphene Memory, and the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory, and the like. By way of illustration, and not limitation, RAM can be in the form of a variety of forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), and the like. The databases referred to in the various embodiments provided herein may include at least one of relational databases and non-relational databases. The non-relational database may include, but is not limited to, a blockchain-based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic units, quantum computing-based data processing logic units, etc., without being limited thereto.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application shall be subject to the appended claims.
Claims (10)
1. A container cloud management platform active-standby switching system, the system comprising: a first container cloud management platform and a second container cloud management platform corresponding to the same container cluster as the first container cloud management platform; the first container cloud management platform comprises a first management platform data restorer, a first mirror image platform data controller, a first container cluster database, a first management platform database and a first mirror image platform database; the second container cloud management platform comprises a second resource federation controller, and container cluster data in the first container cluster database are obtained synchronously according to the second resource federation controller;
The first container cloud management platform is used for switching the operation state of the first container cloud management platform from a standby state to a main state under the condition that a fault exists in the second container cloud management platform with the operation state being the main state is detected;
the first management platform data restorer is used for synchronizing the management platform data of the second container cloud management platform backed up in the intermediate database to the first management platform database under the condition that the running state of the first container cloud management platform is the main state;
the first mirror platform data controller is configured to, when the running state of the first container cloud management platform is a master state, synchronize mirror platform backup data of the second container cloud management platform backed up in the intermediate database to the first mirror platform database;
the first container cloud management platform is further configured to receive a traffic access request sent by an external load balancer when the management platform data and the mirror platform backup data are successfully synchronized from the intermediate database, and provide a corresponding container service according to the traffic access request.
2. The system according to claim 1, wherein the first management platform data restorer is further configured to obtain management platform data of the second container cloud management platform from the intermediate database in a case where an operation state of the first container cloud management platform is a main state; identifying a client corresponding to the management platform data; identifying a target subdirectory corresponding to the client from the first management platform database; synchronizing the management platform data to the target subdirectory; and under the condition that the management platform data are successfully synchronized, starting the first management platform database.
3. The system of claim 1, wherein the second container cloud management platform further comprises a second container cluster database;
the second container cloud management platform is used for switching the operation state of the second container cloud management platform from the main state to the standby state under the condition that the operation state of the first container cloud management platform is detected to be switched from the standby state to the main state;
the second resource federation controller is configured to monitor a second container cluster database of the second container cloud management platform, and synchronize the container cluster data to the first container cluster database when the container cluster data stored in the second container cluster database is updated.
4. The system of claim 1, wherein the second container cloud management platform further comprises a second management platform data backup, a second mirror platform data controller, a second management platform database, and a second mirror platform database;
the second management platform data backup device is used for responding to a management platform data backup instruction and accessing the second management platform database under the condition that the running state of the second container cloud management platform is a main state; acquiring management platform data in the second management platform database; backing up the management platform data to the intermediate database;
the second mirror platform data controller is used for accessing the second mirror platform database under the condition that the running state of the second container cloud management platform is the main state; obtaining mirror platform backup data in the second mirror platform database; and backing up the mirror platform backup data to the intermediate database.
5. The system of claim 1, further comprising the external load balancer connected to the first container cloud management platform and the second container cloud management platform, respectively;
The external load balancer is used for identifying a target container cloud management platform with a main running state in the container cloud management platform main-standby switching system under the condition of receiving a flow access request sent by a client; and sending the flow access request sent by the client to the target container cloud management platform.
6. The method for switching the primary and the secondary of the container cloud management platform is characterized by being applied to a first container cloud management platform, and comprises the following steps:
under the condition that a fault exists in a second container cloud management platform with a main running state, switching the running state of the first container cloud management platform from a standby state to the main state; the second container cloud management platform and the first container cloud management platform correspond to the same container cluster; the container cluster data in the first container cluster database of the first container cloud management platform are obtained synchronously according to the second resource federation controller of the second container cloud management platform;
under the condition that the running state of the first container cloud management platform is the main state, synchronizing the management platform data of the second container cloud management platform backed up in an intermediate database to the first management platform database of the first container cloud management platform through a first management platform data restorer of the first container cloud management platform, and synchronizing the mirror platform backup data of the second container cloud management platform backed up in the intermediate database to the first mirror platform database of the first container cloud management platform through a first mirror platform data controller of the first container cloud management platform;
And under the condition that the management platform data and the mirror platform backup data are successfully synchronized from the intermediate database, receiving a flow access request sent by an external load balancer, and providing corresponding container service according to the flow access request.
7. A container cloud management platform active-standby switching device, the device comprising:
the state switching module is used for switching the operation state of the first container cloud management platform from the standby state to the main state under the condition that the second container cloud management platform with the operation state being the main state is detected to have a fault; the second container cloud management platform and the first container cloud management platform correspond to the same container cluster; the container cluster data in the first container cluster database are obtained synchronously according to a second resource federation controller of the second container cloud management platform;
the data backup module is used for synchronizing the management platform data of the second container cloud management platform in the intermediate database through the first management platform data restorer of the first container cloud management platform to the first management platform database of the first container cloud management platform and synchronizing the mirror platform backup data of the second container cloud management platform in the intermediate database to the first mirror platform database of the first container cloud management platform through the first mirror platform data controller of the first container cloud management platform under the condition that the running state of the first container cloud management platform is the main state;
And the service providing module is used for receiving a flow access request sent by an external load balancer under the condition that the management platform data and the mirror platform backup data are successfully synchronized from the intermediate database, and providing corresponding container service according to the flow access request.
8. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of claim 6 when executing the computer program.
9. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of claim 6.
10. A computer program product comprising a computer program, characterized in that the computer program realizes the steps of the method of claim 6 when being executed by a processor.
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