CN112636965B - Virtual machine network connectivity monitoring method in cloud environment - Google Patents
Virtual machine network connectivity monitoring method in cloud environment Download PDFInfo
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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
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
- H04L43/0805—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability
- H04L43/0811—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters by checking availability by checking connectivity
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- H04L63/00—Network architectures or network communication protocols for network security
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- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45533—Hypervisors; Virtual machine monitors
- G06F9/45558—Hypervisor-specific management and integration aspects
- G06F2009/45595—Network integration; Enabling network access in virtual machine instances
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- Y02D30/00—Reducing energy consumption in communication networks
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Abstract
The invention discloses a virtual machine network connectivity monitoring method in a cloud environment, and relates to the technical field of network monitoring; acquiring port information of the virtual machine, acquiring white list configuration information of the virtual machine, performing network connectivity detection of different network segments of the virtual machine or service subnetworks which are not connected with each other according to different protocols, judging whether a dynamic alarm threshold value is met according to a network connectivity detection result and the white list configuration information, and performing corresponding alarm processing according to a judgment condition.
Description
Technical Field
The invention discloses a method, relates to the technical field of network monitoring, and particularly relates to a virtual machine network connectivity monitoring method in a cloud environment.
Background
With the continuous development of cloud computing technology, the application fields of enterprise cloud, government affair cloud and the like are mature continuously, the scale of a cloud center is enlarged continuously, resource devices owned by a service subnet are increased gradually, various network devices often bear different services, in order to avoid the influence of the resource devices on the use of customers, the resource devices are found in time when network faults occur and are informed to related personnel for troubleshooting, the problem of the related faults is solved before the customer senses, and the user experience and the processing efficiency of operation and maintenance personnel can be improved greatly.
The traditional alarm monitoring only simply analyzes the packet loss rate through a ping command of an ICMP protocol to judge the network quality and further send an alarm. However, the actual environment simulation shows that the network connectivity is judged and the alarm is sent only by the ping command of the ICMP protocol, and due to the network jitter and other reasons, if the detection is performed in a subnet with 2000 virtual machines in a period of one minute, the daily average alarm amount is about one hundred thousand, and the alarm amount is too large and is not the actual on-off condition of the virtual machines, so that the alarm accuracy is greatly reduced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the virtual machine network connectivity monitoring method in the cloud environment, which has the characteristics of strong universality, simple and convenient implementation and the like, and has wide application prospect.
The specific scheme provided by the invention is as follows:
a virtual machine network connectivity monitoring method in cloud environment collects the port information of virtual machine, obtains the white list configuration information of virtual machine, detects the network connectivity of virtual machine in different network segments or service subnetworks which are not connected with each other according to different protocols,
and judging whether the dynamic alarm threshold value is met or not according to the network connectivity detection result and the white list configuration information, and carrying out corresponding alarm processing according to the judgment condition.
Preferably, in the virtual machine network connectivity monitoring method in the cloud environment, network connectivity detection of different virtual machine network segments or service subnets which are not connected with each other is performed according to different protocols according to detection priorities.
Preferably, an alarm configuration library is formed in the virtual machine network connectivity monitoring method in the cloud environment, and different alarm information is assembled according to the judgment condition and different network connectivity detection results.
Preferably, the method for monitoring connectivity of a virtual machine network in a cloud environment sets a period for sending alarm information, obtains the sending times of the alarm period according to a dynamic alarm threshold value and the period, and sends the alarm information according to the period and the sending times of the alarm period.
Preferably, in the method for monitoring connectivity of a virtual machine network in a cloud environment, if network connectivity is detected, it is determined whether a period for sending alarm information satisfies a white list duration according to white list configuration information, and if so, a dynamic alarm threshold value is reset,
if the network is not connected, judging whether the current connection failure times are equal to the alarm cycle sending times, if so, meeting the dynamic alarm threshold value, and giving an alarm, otherwise, adding one to the connection failure times.
A virtual machine network connectivity monitoring system in cloud environment comprises an acquisition module, a detection module, a judgment and analysis module and an alarm module,
the acquisition module acquires port information of the virtual machine, acquires white list configuration information of the virtual machine, the detection module performs network connectivity detection of different network segments of the virtual machine or service subnets which are not connected with each other according to different protocols,
and the judging and analyzing module judges whether the dynamic alarm threshold value is met or not according to the network connectivity detection result and the white list configuration information, and the alarm module carries out corresponding alarm processing according to the judgment condition.
A virtual machine network connectivity monitoring device in cloud environment comprises at least one memory and at least one processor;
the at least one memory to store a machine readable program;
the at least one processor is configured to invoke the machine-readable program to execute the virtual machine network connectivity monitoring method in the cloud environment.
A computer readable medium having computer instructions stored thereon, which when executed by a processor, cause the processor to execute the virtual machine network connectivity monitoring method in a cloud environment.
The invention has the advantages that:
the invention provides a virtual machine network connectivity monitoring method in a cloud environment, which comprises the steps of collecting virtual machine port information, carrying out connectivity detection of different protocols, combining a white list and a dynamic alarm threshold value, improving timeliness and accuracy of alarm, specifically releasing the dynamic alarm threshold value of a virtual machine appropriately through configuration information in the white list, avoiding faults occurring by accident of resources to cause overlarge recorded dynamic alarm threshold value, simultaneously setting the dynamic alarm threshold value according to the maximum continuous periodicity of the resources from abnormity to normal dynamically represented, reasonably improving the accuracy of alarm, and ensuring high accuracy and high sensitivity of virtual machine network connectivity monitoring in the cloud environment.
Drawings
FIG. 1 is a flow chart of the network connectivity detection process of the method of the present invention;
FIG. 2 is a schematic diagram of the alarm sending flow of the method of the present invention;
FIG. 3 is a schematic flow diagram of the method deployment of the present invention;
FIG. 4 is a schematic view of an alert interface of the present invention;
FIG. 5 is a comparison representation of TCP + ICMP protocol alarm statistics;
FIG. 6 is a comparison of alarm statistics before and after dynamically setting alarm threshold values to indicate intent.
Detailed Description
The present invention is further described below in conjunction with the drawings and the embodiments so that those skilled in the art can better understand the present invention and can carry out the present invention, but the embodiments are not to be construed as limiting the present invention.
The invention provides a virtual machine network connectivity monitoring method in cloud environment, which collects port information of virtual machines, acquires white list configuration information of the virtual machines, performs network connectivity detection of different network segments of the virtual machines or service subnets which are not connected with each other according to different protocols,
and judging whether the dynamic alarm threshold value is met or not according to the network connectivity detection result and the white list configuration information, and performing corresponding alarm processing according to the judgment condition.
The method of the invention can be used for placing different front-end computers in a larger-scale service subnet or an integrated subnet, acquiring the port information of a virtual machine, carrying out network connectivity detection of different network segments or service subnets which are not connected with each other, carrying out alarm processing on the network on-off condition in the subnet, and sending on-off activity alarm information if the front-end acquisition machine detects the port activity and the port activity is converted into an unconnected state from a normal state; and if the prepositive collector detects that the virtual machine port or the IP is converted into a normal state from an unconnectable state, sending on-off clearing alarm information.
When there is an application, in some embodiments of the present invention, a connectivity detection service may be deployed in different front-end computers with reference to fig. 3, and connectivity of the allocated virtual machine resource is detected, and then the alarm information is pushed to the alarm message queue.
The virtual machine connectivity monitoring server of the cloud center can be deployed in a certain service subnet, performs on-off detection on resources such as virtual machines and the like, performs NetCat (hereinafter referred to as nc) port scanning, but needs to ensure that related resources are communicated with the network of a front-end acquisition machine so as to monitor different resources such as virtual machines and the like. The on-off monitoring is used for multi-protocol detection, and in a cloud environment, a specific TCP-based management protocol is usually used for operating resources such as virtual machines, so that a management port of the TCP management protocol can be preferentially scanned, and then connectivity detection of other protocols can be performed according to conditions. And on-off monitoring is carried out at regular time according to the detection requirement, the time granularity can be defaulted to 1 minute/time, and the time granularity is configured according to the actual field condition, so that the network quality and the on-off state of the virtual machine can be timely and efficiently monitored.
Setting a white list, releasing the condition that the recorded dynamic alarm threshold cannot be communicated within a certain time due to normal operation of a virtual machine, setting the cycle time for recovering the white list, recording the maximum value of the dynamic alarm threshold when the equipment is recovered from an abnormal state to a normal state, recording the time for recovering the equipment to be normal, and releasing the dynamic threshold value and resetting the dynamic alarm threshold value when the equipment is continuously detected to be normal within the set white list cycle time. The dynamic threshold logic of the dynamic alarm threshold value is in a cache form, records the maximum continuous period number of the resource from the abnormity to the normal, in the subsequent detection, if the resource is abnormal again, the dynamic threshold value and the maximum value of the alarm value in the period are taken as the period number of the alarm to be sent, and the alarm is sent when the period number is reached.
And simultaneously, storing possible reasons, alarm levels, types and the like of the returned results of the ping command and the nc command by utilizing a set alarm configuration library. And when the alarm is sent, assembling the alarm information of the current abnormal return result according to the alarm configuration library.
Based on the above implementation, in some embodiments of the present invention, the monitoring server may perform relevant detection on the allocated monitoring resource according to a monitoring policy configured by the operation and maintenance staff. For example, netCat (hereinafter referred to as NC) port scanning is performed on a resource device as a pre-resource configuration for monitoring, since a management port is generally fixed, in order to avoid invalid detection caused by a change of the management port, an NC port detection program is set to perform port scanning and update a resource configuration file in a form of a task timed every morning.
Through the server page, referring to fig. 4, the monitoring mode for the resource may be customized, including the execution sequence of ping and nc commands, the execution times of each command, whether the resource is included in the monitoring management, the port for actually performing activity detection, the mode of pushing the alarm (e.g., mail, short message, QQ, etc.), the atomic suppression times of the monitoring end, and the like.
And the monitoring server executes related detection on the distributed monitoring resources according to a monitoring strategy configured by the operation and maintenance personnel, for example, the nc port activity detection is executed on a certain device first, and if the device is not connected for three times continuously and is then assisted by ping command detection, the detection result in the period is judged to be normal if the device is connected for one time. And the server side judges whether the alarm needs to be sent or not according to the monitoring result and the alarm information in the cache, if so, the server side pushes the alarm information to the alarm information queue and updates the cache, and if not, the server side updates the cache.
For the alarm sending strategy, actually, due to network jitter, normal high-load operation of resource equipment and other reasons, the network jitter is large and the detection of related protocols is not successful in a certain period of time, but the service is not actually influenced, if the alarm is sent, the processing efficiency of operation and maintenance personnel is seriously influenced, so that the alarm needs to be added with a dynamic threshold value to converge invalid alarms, and the accuracy of the alarm is improved. The detailed process is to set a period for sending alarm, and when the resource is not passed in the period continuously, then the alarm is sent again. The dynamic threshold logic is in a cache form, records the maximum continuous cycle number of the resource from abnormal to normal, if the resource is abnormal again in the subsequent detection, the maximum value of the dynamic threshold value and the cycle alarm value is taken as the cycle number of the alarm to be sent, and the alarm is sent when the cycle number is reached.
In order to avoid the accidental fault of the resource, which causes the recorded dynamic threshold value to be too large, and influences the timeliness of subsequent alarm, a white list mechanism is required to be simultaneously utilized to release the dynamic value of the part of the resource. The server side, through the set white list recovery duration, when the resource is recovered to be normal from the abnormality, if the resource is continuously in the duration and the connectivity is normal, the dynamic threshold value is set as the normal period alarm value, specifically referring to fig. 1, when detecting the network connection, it is determined whether the period for sending the alarm information satisfies the white list duration according to the white list configuration information, if so, the dynamic alarm threshold value is reset,
if the network is not connected, judging whether the current connection failure times are equal to the alarm period sending times, if so, meeting the dynamic alarm threshold value, giving an alarm, and otherwise, adding the connection failure times together and updating the cache.
The process can refer to fig. 2, after a detection result is obtained, according to the virtual machine state, if the resource is in the normal state, a cache is obtained, whether alarm information is sent or not is checked, the alarm information is cleared if the alarm information is sent, if the virtual machine state is abnormal, alarm convergence processing is carried out, and if the virtual machine state is abnormal, the alarm information is pushed, and if the alarm condition is not met, the cache information is updated.
Aiming at the sent alarm, the related alarm information is assembled and quickly positioned, the fault processing efficiency can be greatly improved, the returned results of the ping and nc commands and possible reasons can be stored through the alarm configuration library, the influence degree of the returned results on the service is judged, and the corresponding alarm level is set for each returned result. The server side obtains the return information of ping and nc commands, when the alarm of a certain resource is to be sent, the information of the detection result, the possible reason, the alarm level and the like is assembled into the alarm information according to the matching of the current abnormal result and the information of the alarm configuration library.
When 2000 virtual computers in a certain cloud center are monitored by the method, about one hundred thousand virtual alarms per day before the method is used are found, and the alarm amount per day after the method is used is 3:
(1) Through the alarm period management strategy, the number of alarms is reduced by 95 percent.
(2) By combining the detection of the TCP and the ICMP, the daily average alarm amount is 100, which reduces about 87% of the alarm number compared with the daily average 770 alarms using the ICMP only, referring to FIG. 5,
(3) Through the dynamic alarm threshold strategy, the number of the alarms is reduced from 100 to 3 per day, and the number of the alarms is reduced by about 97%, referring to fig. 6.
By means of the alarm level, the returned result, the possible reason and the like, the interface shown in fig. 4 is referred to, so that operation and maintenance personnel can be helped to quickly locate the network quality problem, clarify the fault reason, quickly recover the resource state and continuously and efficiently provide services to the outside.
The invention also provides a virtual machine network connectivity monitoring system in the cloud environment, which comprises an acquisition module, a detection module, a judgment and analysis module and an alarm module,
the acquisition module acquires port information of the virtual machine, acquires white list configuration information of the virtual machine, the detection module performs network connectivity detection of different network segments of the virtual machine or service subnets which are not connected with each other according to different protocols,
and the judging and analyzing module judges whether the dynamic alarm threshold value is met or not according to the network connectivity detection result and the white list configuration information, and the alarm module carries out corresponding alarm processing according to the judgment condition.
The information interaction, execution process and other contents between the modules in the system are based on the same concept as the method embodiment of the present invention, and specific contents can be referred to the description in the method embodiment of the present invention, and are not described herein again.
The invention also provides a virtual machine network connectivity monitoring device in the cloud environment, which comprises at least one memory and at least one processor;
the at least one memory to store a machine readable program;
the at least one processor is configured to invoke the machine-readable program to execute the virtual machine network connectivity monitoring method in the cloud environment. For the information interaction and execution process of the processor in the above device, the specific contents can be referred to the description in the embodiment of the method of the present invention because the same concept is used, and are not described herein again.
The invention also provides a computer readable medium, which stores computer instructions, and when the computer instructions are executed by a processor, the computer instructions cause the processor to execute the virtual machine network connectivity monitoring method in the cloud environment. Specifically, a system or an apparatus equipped with a storage medium on which software program codes that realize the functions of any of the embodiments described above are stored may be provided, and a computer (or a CPU or MPU) of the system or the apparatus is caused to read out and execute the program codes stored in the storage medium.
In this case, the program code itself read from the storage medium can realize the functions of any of the above-described embodiments, and thus the program code and the storage medium storing the program code constitute a part of the present invention.
Examples of the storage medium for supplying the program code include a floppy disk, a hard disk, a magneto-optical disk, an optical disk (e.g., CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD + RW), a magnetic tape, a nonvolatile memory card, and a ROM. Alternatively, the program code may be downloaded from a server computer via a communications network.
Further, it should be clear that the functions of any one of the above-described embodiments may be implemented not only by executing the program code read out by the computer, but also by causing an operating system or the like operating on the computer to perform a part or all of the actual operations based on instructions of the program code.
Further, it is to be understood that the program code read out from the storage medium is written to a memory provided in an expansion board inserted into the computer or to a memory provided in an expansion unit connected to the computer, and then causes a CPU or the like mounted on the expansion board or the expansion unit to perform part or all of the actual operations based on instructions of the program code, thereby realizing the functions of any of the above-described embodiments.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (6)
1. A virtual machine network connectivity monitoring method under cloud environment is characterized in that port information of a virtual machine is collected, white list configuration information of the virtual machine is obtained, network connectivity detection of different network segments of the virtual machine or service subnets which are not connected with each other is carried out according to different protocols,
judging whether a dynamic alarm threshold value is met according to a network connectivity detection result and white list configuration information, carrying out corresponding alarm processing according to a judgment condition, wherein a period for sending alarm information is set, the sending times of the alarm period are obtained according to the dynamic alarm threshold value and the period, and the alarm information is sent according to the period and the sending times of the alarm period, wherein if the network connectivity is detected, whether the period for sending the alarm information meets the white list duration is judged according to the white list configuration information, the dynamic alarm threshold value is reset if the period for sending the alarm information meets the white list duration, and the white list duration refers to the time for restoring the virtual machine resources from an abnormal state to a normal state,
if the network is not connected, judging whether the current connection failure times are equal to the alarm period sending times, if so, meeting the dynamic alarm threshold value, and giving an alarm, otherwise, adding one to the connection failure times.
2. The method for monitoring the connectivity of the virtual machine network in the cloud environment as claimed in claim 1, wherein the network connectivity detection of the virtual machine in different network segments or service subnets that are not connected to each other is performed according to different protocols according to the detection priority.
3. The virtual machine network connectivity monitoring method in the cloud environment according to claim 1 or 2, wherein an alarm configuration library is formed, and different alarm information is assembled for different network connectivity detection results according to the determination condition.
4. A virtual machine network connectivity monitoring system in cloud environment is characterized by comprising an acquisition module, a detection module, a judgment and analysis module and an alarm module,
the acquisition module acquires port information of the virtual machine, acquires white list configuration information of the virtual machine, the detection module performs network connectivity detection of different network segments of the virtual machine or service subnetworks which are not connected with each other according to different protocols,
judging whether a judging and analyzing module judges whether a dynamic alarm threshold value is met according to a network connectivity detection result and white list configuration information, carrying out corresponding alarm processing by an alarm module according to a judgment condition, wherein the judging and analyzing module sets a period for sending alarm information and acquires alarm period sending times according to the dynamic alarm threshold value and the period, the alarm module sends the alarm information according to the period and the alarm period sending times, if the network connectivity is detected, the judging and analyzing module judges whether the period for sending the alarm information meets the white list duration according to the white list configuration information, if the period meets the white list duration, resetting the dynamic alarm threshold value, and the white list duration refers to the time for restoring the virtual machine resources from an abnormal state to a normal state,
if the network is not connected, the judging and analyzing module judges whether the current connection failure times are equal to the alarm period sending times, if so, the dynamic alarm threshold value is met, the alarm module gives an alarm, and otherwise, the connection failure times are increased by one.
5. A virtual machine network connectivity monitoring device in cloud environment is characterized by comprising at least one memory and at least one processor;
the at least one memory to store a machine readable program;
the at least one processor is configured to invoke the machine readable program to execute the virtual machine network connectivity monitoring method according to any one of claims 1 to 3.
6. Computer readable medium, characterized in that said computer readable medium has stored thereon computer instructions, which, when executed by a processor, cause said processor to execute a virtual machine network connectivity monitoring method in a cloud environment according to any one of claims 1 to 3.
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|---|---|
| CN112636965A (en) | 2021-04-09 |
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