CN110493061A - A kind of management method and system of NTP cluster - Google Patents
A kind of management method and system of NTP cluster Download PDFInfo
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- CN110493061A CN110493061A CN201910812192.9A CN201910812192A CN110493061A CN 110493061 A CN110493061 A CN 110493061A CN 201910812192 A CN201910812192 A CN 201910812192A CN 110493061 A CN110493061 A CN 110493061A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0658—Clock or time synchronisation among packet nodes
- H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
- H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0889—Techniques to speed-up the configuration process
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/22—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks comprising specially adapted graphical user interfaces [GUI]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses the management methods and system of a kind of NTP cluster, belong to server cluster network time synchronization administrative skill field.The management method of NTP cluster of the invention writes the program of a B/S framework by Java language, JavaScript language and html language, introduce open source component, host is remotely connected using ssh by open source component, host is operated, visual page is provided, user is operated by browser accession page, specifically includes the following steps: S1, cluster are built；The automation of S2, NTP software is installed；The visual configuration of S3, NTP cluster；The monitoring of S4, NTP synchronous regime.The management method of the NTP cluster of the invention, which can exempt, to be required to carry out a large amount of repetitive operations for each node, to reduce the burden of user, and while can be reduced manual operation may malfunction problem, have good application value.
Description
Technical field
The present invention relates to server cluster network time synchronization administrative skill fields, specifically provide a kind of pipe of NTP cluster
Manage method and system.
Background technique
NTP, full name Network Time Protocol, i.e. Network Time Protocol.NTP is for keeping computer time same
A kind of agreement of stepization, it can be calibrated and be synchronized with the basis of time time source of computer, and time error control is finally made
In lower range, the time difference can be less than 1 millisecond in some cases.
For single computer, if can be used in national time service in the point-device situation of time requirement
The time source of the authoritative departments such as heart publication synchronizes.For computer cluster, if when between node each in cluster
Between the smaller situation of relative error, can choose and allow all node configurations in cluster using source at the same time, can also
To choose a host as server, remaining node is using this node as time source.
Present most distributed type assemblies require the time error of each node relatively stringenter.If between each node
Time error it is bigger, the service that gently then may cause the cluster is not normally functioning or operation result is chaotic, it is heavy then can
Catastrophic accident can be will lead to.Therefore, this type of cluster big city carries out time synchronization using NTP or similar service, with
Guarantee the normal operation of cluster.
NTP service can be disposed by manually mode and be managed to each node in cluster, and the time of cluster is made to keep same
Step.But for the most cluster using (SuSE) Linux OS, due to lacking the support of GUI, simultaneously by manually dispose
The operation for managing NTP service is relatively complicated, and lacks effective means and go to monitor all nodes from the level of entire cluster
Situation.When the NTP service of manually dispose cluster, needs to install NTP service manually on each node, modify configuration file, hand
Dynamic starting, which services, simultaneously waits for time synchronization, subsequent state, which is checked, to be also required to carry out manually, and can not system check
The state of all nodes in cluster.If other node states need to be checked, respective nodes need to be switched to and operated.
Summary of the invention
Technical assignment of the invention is that in view of the above problems, providing one kind and capable of exempting needs for each node
A large amount of repetitive operations are carried out, to reduce the burden of user, and while can be reduced manual operation may malfunction the NTP collection of problem
The management method of group.
The further technical assignment of the present invention is to provide a kind of management system of NTP cluster.
To achieve the above object, the present invention provides the following technical scheme that
A kind of management method of NTP cluster, writes one by Java language, JavaScript language and html language
The program of B/S framework introduces open source component, remotely connects host using ssh by open source component, operates, mention to host
For visual page, user is operated by browser accession page, specifically includes the following steps:
S1, cluster are built；
The automation of S2, NTP software is installed；
The visual configuration of S3, NTP cluster；
The monitoring of S4, NTP synchronous regime.
Ganymed-ssh2 is introduced in the program of B/S framework freely to increase income component, it is long-range using ssh by open source component
Host is connected, host is operated, which is issued using Tomcat, provides visual page, and user passes through clear
Device accession page of looking at is operated.
Choosing any node in cluster, as host, the war file that the program of B/S framework is provided is carried out by Tomcat
Deployment, and use browser successful access administration page.
Preferably, carrying out cluster in the program page output cluster name to be constructed of B/S framework in the building of cluster
Building, obtain cluster interior joint user name and password, input user name and password in the program page of B/S framework, will save
Point is added to cluster.
After the program operation of B/S framework, cluster need to be constructed when using for the first time, which is the NTP that need to be managed
Cluster.
Preferably, the state that the program of B/S framework reads node NTP automatically is gone forward side by side row-column list after the completion of cluster building
It shows, state of the user according to cluster interior joint and the planning to the cluster, the automation for carrying out NTP software to cluster is pacified
Dress.
Preferably, NTP's is set as the corresponding configuration file of modification NTP, specially corresponding configuration file is written
Program, and restart NTP and come into force；Individual node service is configured in program end, each node is issued to and executes respectively, is completed
Entire cluster setting.
Check that synchronous regime instructs accordingly preferably, connecting to issue to individual node by ssh, program uses timing
Task is spaced is polled to node serve state at a fixed time.
A kind of management system of NTP cluster, specifically includes with lower module:
Cluster building module, for building cluster；
NTP software automation installs module, for automating installation NTP software；
NTP cluster visual configuration module is used for visual configuration NTP cluster；
NTP synchronous regime monitoring module, for monitoring NTP synchronous regime.
The management system of the NTP cluster writes a B/S by Java language, JavaScript language and html language
The program of framework introduces open source component, remotely connects host using ssh by open source component, operates to host, providing can
Depending on changing the page, user is operated by browser accession page.
Preferably, cluster building module, carries out the structure of cluster in the page output cluster name to be constructed of B/S framework
It builds, obtains the user name and password of cluster interior joint, input user name and password in the program page of B/S framework, node is added
Add to cluster.
Preferably, the NTP software automation installation module is after the completion of cluster constructs, the program of B/S framework is automatic
The state for reading node NTP is gone forward side by side row-column list displaying, and state of the user according to cluster interior joint and the planning to the cluster are right
Cluster carries out the automation installation of NTP software.
Preferably, NTP's is set as the corresponding configuration file of modification NTP, tool in NTP cluster visual configuration module
Body is that corresponding configuration file write-in program and is restarted NTP and come into force；Individual node service is configured in program end, under
It is sent to each node to execute respectively, completes entire cluster setting.
Preferably, NTP synchronous regime monitoring module, is connected to issue to individual node by ssh and checks synchronization accordingly
Status command, program use timed task, are spaced are polled to node serve state at a fixed time.
Compared with prior art, the management method of NTP cluster of the invention have it is following prominent the utility model has the advantages that
(1) it eliminates and requires a large amount of repetitive operations carried out for each node, the burden of user can be reduced；
(2) to all human operations process, which is all decomposed the instruction being mapped as inside program, is reduced
The case where may malfunctioning when manual operation, ensure that the accuracy of cluster NTP service management；
(3) visualization interface is provided by browser, operations are relatively illustrated, while providing condition monitoring
Function facilitates user and grasps cluster NTP state in time, and copes with emergency case.
Detailed description of the invention
Fig. 1 is the flow chart of the management method of NTP cluster of the present invention.
Specific embodiment
Below in conjunction with drawings and examples, management method and system to NTP cluster of the invention are made further detailed
Explanation.
Embodiment
The management method of NTP cluster of the invention, is write by Java language, JavaScript language and html language
The program of one B/S framework introduces open source component, remotely connects host using ssh by open source component, grasps to host
Make, provides visual page, user is operated by browser accession page.
Ganymed-ssh2 is introduced in the program of B/S framework freely to increase income component, it is long-range using ssh by open source component
Host is connected, host is operated, which is issued using Tomcat, provides visual page, and user passes through clear
Device accession page of looking at is operated.
Choosing any node in cluster, as host, the war file that the program of B/S framework is provided is carried out by Tomcat
Deployment, and use browser successful access administration page.
As shown in Figure 1, the management method of the NTP cluster specifically includes the following steps:
S1, cluster are built.
The building of cluster is carried out in the program page output cluster name to be constructed of B/S framework, obtains cluster interior joint
User name and password, input user name and password in the program page of B/S framework, node be added to cluster.
After the program operation of B/S framework, cluster need to be constructed when using for the first time, which is the NTP that need to be managed
Cluster.
When the step operates, the OpenSSH group of node system where program has used ganymed-ssh2 component and program
Part, and the OpenSSH component on clustered node has been used to establish ssh connection of the program place node to node each in cluster.
Ssh (SecureSHell) is the security protocol established on the basis of application layer and transport layer, is to aim at telnet session and its
He provides the agreement of safety at network service.It in the present invention, is the free open source reality of ssh agreement using ssh2, OpenSSH
It is existing.
After the step operates successfully, program will hold the stable ssh connection of each node in cluster, be embodied as in program
Internal existing Java object example corresponding one by one can be to cluster section by the ssh connection in the Java object example
Point sends and executes relevant Linux operational order.By means of the function of OpenSSH component, can where program node with
And each node of cluster generates the key of relevant RSA cryptographic algorithms, by the key, can be destroyed in Java object example and
It after ssh connection closed, generates effective ssh again as needed and connects and authenticate and pass through, continue Java pairs that holds the node
As and execute order.
The automation of S2, NTP software is installed.
Cluster building after the completion of, the state that the program of B/S framework reads node NTP automatically go forward side by side row-column list displaying, use
State of the person according to cluster interior joint and the planning to the cluster, the automation for carrying out NTP software to cluster are installed.
If node NTP state is not install, Installation Options are had after node, clicking the option can be automatic in the node
NTP service is installed.Inside program, the installation of NTP service, which is program, to be connected to issue to install accordingly to the node by ssh and refers to
It enables, the Yum component of the node is called to carry out.
After NTP installation, option start and stop NTP service can be started and stopped by clicking.Inside program, NTP service
Start and stop is that program is carried out by the service instruction of ssh connection control node.The function is also provided for entire cluster
Unified operation.
The visual configuration of S3, NTP cluster.
The corresponding configuration file of modification NTP that is set as of NTP is laid equal stress on specially by corresponding configuration file write-in program
NTP is opened to come into force；Individual node service is configured in program end, each node is issued to and executes respectively, complete entire cluster
Setting.
Inside program, the setting of node serve is to carry out file behaviour by configuration file of the ssh connection to the NTP of node
Make.The setting of NTP under linux system is to modify the corresponding configuration file of NTP, such as write time source, and concrete operations are then
For by the IP of time source or domain name write-in/etc/ntp.cfg file, and restarts NTP service and come into force.The system of entire cluster NTP
One setting is then the polymerization of the setting of individual node service, in the decomposition that program end is operated, and is issued to each node difference
It executes, by the function, entire cluster can be set simultaneously.
The monitoring of S4, NTP synchronous regime.
It connects to issue to individual node by ssh and checks that synchronous regime instructs accordingly, program uses timed task, solid
Fixed time interval is polled node serve state.
The management system of the management system of NTP cluster of the invention, the NTP cluster passes through Java language, JavaScript
Language and html language write the program of a B/S framework, introduce open source component, are remotely connected by open source component using ssh
Host is connect, host is operated, visual page is provided, user is operated by browser accession page.Specific packet
It includes with lower module:
Cluster building module, for building cluster.Cluster is carried out in the page output cluster name to be constructed of B/S framework
Building, obtain cluster interior joint user name and password, input user name and password in the program page of B/S framework, will save
Point is added to cluster.
NTP software automation installs module, for automating installation NTP software.The NTP software automation installs module
Cluster building after the completion of, the state that the program of B/S framework reads node NTP automatically go forward side by side row-column list displaying, user according to
The state of cluster interior joint and planning to the cluster, the automation for carrying out NTP software to cluster are installed.
NTP cluster visual configuration module is used for visual configuration NTP cluster.NTP be set as modification NTP it is corresponding
Configuration file specially by corresponding configuration file write-in program, and restarts NTP and comes into force；In program end to individual node service
It is configured, is issued to each node and executes respectively, complete entire cluster setting.
NTP synchronous regime monitoring module, for monitoring NTP synchronous regime.It is connected by ssh to individual node and is issued accordingly
Check synchronous regime instruct, program use timed task, be spaced at a fixed time and node serve state be polled.
Embodiment described above, the only present invention more preferably specific embodiment, those skilled in the art is at this
The usual variations and alternatives carried out within the scope of inventive technique scheme should be all included within the scope of the present invention.
Claims (10)
1. a kind of management method of NTP cluster, it is characterised in that: this method by Java language, JavaScript language and
Html language writes the program of a B/S framework, introduces open source component, remotely connects host using ssh by open source component, right
Host is operated, and visual page is provided, and user is operated by browser accession page, specifically includes following step
It is rapid:
S1, cluster are built；
The automation of S2, NTP software is installed；
The visual configuration of S3, NTP cluster；
The monitoring of S4, NTP synchronous regime.
2. the management method of NTP cluster according to claim 1, it is characterised in that: in the building of cluster, in B/S framework
The cluster name to be constructed of program page output carry out the building of cluster, obtain the user name and password of cluster interior joint, In
The program page of B/S framework inputs user name and password, and node is added to cluster.
3. the management method of NTP cluster according to claim 2, it is characterised in that: after the completion of cluster building, B/S framework
Program read automatically node NTP state go forward side by side row-column list displaying, user is according to the state of cluster interior joint and to the collection
The planning of group, the automation for carrying out NTP software to cluster are installed.
4. the management method of NTP cluster according to claim 3, it is characterised in that: the modification NTP that is set as of NTP is corresponded to
Configuration file, specially by corresponding configuration file write-in program, and restart NTP and come into force；Individual node is taken in program end
Business is configured, and is issued to each node and is executed respectively, and entire cluster setting is completed.
5. the management method of NTP cluster according to claim 4, it is characterised in that: connected under individual node by ssh
Hair checks that synchronous regime instructs accordingly, and program uses timed task, is spaced carries out to node serve state at a fixed time
Poll.
6. a kind of management system of NTP cluster, it is characterised in that: specifically include with lower module:
Cluster building module, for building cluster；
NTP software automation installs module, for automating installation NTP software；
NTP cluster visual configuration module is used for visual configuration NTP cluster；
NTP synchronous regime monitoring module, for monitoring NTP synchronous regime.
7. the management system of NTP cluster according to claim 6, it is characterised in that: cluster building module, in B/S framework
The cluster name to be constructed of page output carry out the building of cluster, the user name and password of cluster interior joint are obtained, in B/S frame
The program page of structure inputs user name and password, and node is added to cluster.
8. the management system of NTP cluster according to claim 7, it is characterised in that: the NTP software automation installs mould
Block cluster construct after the completion of, the state that the program of B/S framework reads node NTP automatically go forward side by side row-column list displaying, user's root
State according to cluster interior joint and the planning to the cluster, the automation for carrying out NTP software to cluster are installed.
9. the management system of NTP cluster according to claim 8, it is characterised in that: NTP cluster visual configuration module
In, NTP's is set as the corresponding configuration file of modification NTP, specially by corresponding configuration file write-in program, and restarts NTP
It comes into force；Individual node service is configured in program end, each node is issued to and executes respectively, completes entire cluster setting.
10. the management system of NTP cluster according to claim 9, it is characterised in that: NTP synchronous regime monitoring module leads to
Cross ssh connect to individual node issue accordingly check synchronous regime instruct, program use timed task, at a fixed time between
It is polled every to node serve state.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110995496A (en) * | 2019-12-15 | 2020-04-10 | 苏州浪潮智能科技有限公司 | Method and device for synchronizing time of white box switch in batches |
| CN111769896A (en) * | 2020-06-12 | 2020-10-13 | 苏州浪潮智能科技有限公司 | BMC (baseboard management controller) clustered management time synchronization method and system |
| CN112287017A (en) * | 2020-11-05 | 2021-01-29 | 浪潮云信息技术股份公司 | OpenSSH-based Impala cluster visual management method |
| CN113742001A (en) * | 2021-09-02 | 2021-12-03 | 刘忠琪 | Tomcat cluster visual unified management system |
| CN114281580A (en) * | 2021-11-30 | 2022-04-05 | 苏州浪潮智能科技有限公司 | Method and system for polling HBase cluster network time |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607462A (en) * | 2013-11-22 | 2014-02-26 | 曙光信息产业股份有限公司 | Cluster NAS deployment system and deployment method thereof |
| CN105681109A (en) * | 2016-03-15 | 2016-06-15 | 山东超越数控电子有限公司 | Implementation method and framework of high availability cluster management system |
| CN106254121A (en) * | 2016-08-11 | 2016-12-21 | 浪潮软件股份有限公司 | A kind of automatization disposes and the method for management large data sets group |
| CN109379425A (en) * | 2018-10-16 | 2019-02-22 | 浪潮软件集团有限公司 | Distributed cluster deployment management method and device |
| CN110134564A (en) * | 2019-03-29 | 2019-08-16 | 山东浪潮云信息技术有限公司 | A kind of visual Kafka cluster monitoring method |
-
2019
- 2019-08-30 CN CN201910812192.9A patent/CN110493061A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103607462A (en) * | 2013-11-22 | 2014-02-26 | 曙光信息产业股份有限公司 | Cluster NAS deployment system and deployment method thereof |
| CN105681109A (en) * | 2016-03-15 | 2016-06-15 | 山东超越数控电子有限公司 | Implementation method and framework of high availability cluster management system |
| CN106254121A (en) * | 2016-08-11 | 2016-12-21 | 浪潮软件股份有限公司 | A kind of automatization disposes and the method for management large data sets group |
| CN109379425A (en) * | 2018-10-16 | 2019-02-22 | 浪潮软件集团有限公司 | Distributed cluster deployment management method and device |
| CN110134564A (en) * | 2019-03-29 | 2019-08-16 | 山东浪潮云信息技术有限公司 | A kind of visual Kafka cluster monitoring method |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110995496A (en) * | 2019-12-15 | 2020-04-10 | 苏州浪潮智能科技有限公司 | Method and device for synchronizing time of white box switch in batches |
| CN110995496B (en) * | 2019-12-15 | 2022-05-13 | 苏州浪潮智能科技有限公司 | Method and device for synchronizing time of white box switch in batches |
| CN111769896A (en) * | 2020-06-12 | 2020-10-13 | 苏州浪潮智能科技有限公司 | BMC (baseboard management controller) clustered management time synchronization method and system |
| CN111769896B (en) * | 2020-06-12 | 2022-12-20 | 苏州浪潮智能科技有限公司 | BMC (baseboard management controller) clustered management time synchronization method and system |
| CN112287017A (en) * | 2020-11-05 | 2021-01-29 | 浪潮云信息技术股份公司 | OpenSSH-based Impala cluster visual management method |
| CN113742001A (en) * | 2021-09-02 | 2021-12-03 | 刘忠琪 | Tomcat cluster visual unified management system |
| CN114281580A (en) * | 2021-11-30 | 2022-04-05 | 苏州浪潮智能科技有限公司 | Method and system for polling HBase cluster network time |
| CN114281580B (en) * | 2021-11-30 | 2024-05-31 | 苏州浪潮智能科技有限公司 | Method and system for carrying out inspection on HBase cluster network time |
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Application publication date: 20191122 |