CN113626136B - Virtual machine fault detection method and device - Google Patents
Virtual machine fault detection method and device Download PDFInfo
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- CN113626136B CN113626136B CN202110742143.XA CN202110742143A CN113626136B CN 113626136 B CN113626136 B CN 113626136B CN 202110742143 A CN202110742143 A CN 202110742143A CN 113626136 B CN113626136 B CN 113626136B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
- G06F11/0712—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in a virtual computing platform, e.g. logically partitioned systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0766—Error or fault reporting or storing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/079—Root cause analysis, i.e. error or fault diagnosis
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/546—Message passing systems or structures, e.g. queues
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- 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
- G06F2009/45591—Monitoring or debugging support
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/54—Indexing scheme relating to G06F9/54
- G06F2209/548—Queue
Abstract
The utility model discloses a virtual machine fault detection method and device, when constructing the virtual machine, can form a complete set and construct the corresponding telex typing equipment of virtual machine, this telex typing equipment is used for showing the working process information of target virtual machine, so can acquire telex typing equipment and demonstrate the working process information of target virtual machine, produce target working text according to working process information, from this can be with only being used for the working process information conversion that demonstrates can carry out the target working text that the character string detected, judge whether include the fault keyword in the target working text, if including the fault keyword in the target working text, instruct that the target virtual machine has broken down, send the message that the target virtual machine breaks down to cloud platform, so that cloud platform carries out follow-up recovery operation to the target virtual machine. Therefore, the fault detection of the virtual machine can be realized without special equipment, the cost of the fault detection is reduced, and the application range of the fault detection is enlarged.
Description
Technical Field
The present invention relates to the field of fault detection technologies, and in particular, to a method and an apparatus for detecting a virtual machine fault.
Background
In the cloud computing era, a cloud platform manages a large number of virtual machines, user services are operated through the virtual machines, and if faults of the virtual machines cannot be found in time, normal operation of the user services is greatly affected. Cloud platforms typically include a large number of virtual machines, which can be time and labor consuming if inspected manually one by one.
Therefore, in the prior art, it is proposed to add a dedicated device to each virtual machine, when a virtual machine fails, the dedicated device captures a failure signal and triggers a message, where the message is received by a physical machine where the virtual machine is located, and the physical machine sends the message of the virtual machine failure to a cloud platform, and the cloud platform performs a subsequent recovery operation on the virtual machine.
However, the mode of adding a special device for each virtual machine requires that the special device has a driver corresponding to the function of detecting the fault signal and the function of sending the message, and corresponding kernel support, so that the cost of fault detection through the special device is higher, the number of scenes supported by the special device is less, and the application range of fault detection is smaller.
Disclosure of Invention
Aiming at the problems, the application provides a virtual machine fault detection method and device, which are used for reducing the cost of fault detection and expanding the application range of fault detection.
In one aspect, an embodiment of the present application provides a method for detecting a virtual machine failure, where the method includes:
acquiring working process information of a target virtual machine, which is displayed by telex typing equipment corresponding to the target virtual machine, wherein the target virtual machine is any virtual machine in a cloud platform;
generating a target working text according to the working process information;
judging whether the target working text comprises a fault keyword or not;
and if the target working text comprises a fault keyword, sending a message that the target virtual machine is faulty to the cloud platform.
Optionally, the method further comprises:
and if the fault detection of the target virtual machine is completed, taking other virtual machines as target virtual machines, and executing the steps of acquiring the working process information of the target virtual machine displayed by the telex typing equipment corresponding to the target virtual machine until the fault detection of all virtual machines in the cloud platform is completed, wherein the other virtual machines are virtual machines which are different from the target virtual machines in the cloud platform.
Optionally, if the target working text includes a fault keyword, sending a message that the target virtual machine fails to the cloud platform includes:
if the target working text comprises a fault keyword, sending the fault message of the target virtual machine to a fault virtual machine message queue;
and acquiring the fault message of the target virtual machine from the fault virtual machine message queue, and sending the fault message of the target virtual machine to the cloud platform.
Optionally, the obtaining the working process information of the target virtual machine, which is displayed by the telex typing device corresponding to the target virtual machine, includes:
acquiring a preset number of working process information from the working process information of the target virtual machine, which is displayed by telex typing equipment corresponding to the target virtual machine;
the generating the target working text according to the working process information comprises the following steps:
and generating target working text according to the preset number of working process information.
Optionally, the generating the target working text according to the preset number of working process information includes:
and generating target working text by the preset quantity of working process information in a pipeline or copying mode.
In another aspect, an embodiment of the present application provides a virtual machine failure detection apparatus, where the apparatus includes: the device comprises an acquisition unit, a generation unit, a judgment unit and a sending unit;
the acquisition unit is used for acquiring working process information of a target virtual machine, which is displayed by telex typing equipment corresponding to the target virtual machine, wherein the target virtual machine is any virtual machine in a cloud platform;
the generating unit is used for generating a target working text according to the working process information;
the judging unit is used for judging whether the target working text comprises a fault keyword or not;
and the sending unit is used for sending the message that the target virtual machine fails to the cloud platform if the target working text comprises the failure keyword.
Optionally, the apparatus further comprises a circulation unit for:
and if the fault detection of the target virtual machine is completed, taking other virtual machines as target virtual machines, and executing the steps of acquiring the working process information of the target virtual machine displayed by the telex typing equipment corresponding to the target virtual machine until the fault detection of all virtual machines in the cloud platform is completed, wherein the other virtual machines are virtual machines which are different from the target virtual machines in the cloud platform.
Optionally, the sending unit is configured to:
if the target working text comprises a fault keyword, sending the fault message of the target virtual machine to a fault virtual machine message queue;
and acquiring the fault message of the target virtual machine from the fault virtual machine message queue, and sending the fault message of the target virtual machine to the cloud platform.
Optionally, the acquiring unit is configured to:
acquiring a preset number of working process information from the working process information of the target virtual machine, which is displayed by telex typing equipment corresponding to the target virtual machine;
the generating the target working text according to the working process information comprises the following steps:
and generating target working text according to the preset number of working process information.
Optionally, the acquiring unit is configured to:
and generating target working text by the preset quantity of working process information in a pipeline or copying mode.
Compared with the prior art, the above technical scheme has the advantages that:
when the virtual machine is built, telex typing equipment corresponding to the virtual machine is built in a matched mode, the telex typing equipment is used for displaying working process information of the target virtual machine, the working process information can show whether the virtual machine has faults in the working process, so that the telex typing equipment can acquire the working process information of the target virtual machine displayed by the telex typing equipment, and a target working text is generated according to the working process information, therefore, the working process information only used for displaying can be converted into the target working text capable of carrying out character string detection, whether the target working text comprises fault keywords is judged, if the target working text comprises the fault keywords, the fault of the target virtual machine is indicated, a message of the fault of the target virtual machine is sent to the cloud platform, and the cloud platform can conveniently carry out subsequent recovery operation on the target virtual machine. Therefore, special equipment is not needed, fault detection can be carried out on the virtual machine through telex typing equipment matched with the virtual machine, the cost of the fault detection is reduced, the telex typing equipment is matched with the virtual machine, the use scene of the virtual machine is not limited, and compared with the fault detection of the virtual machine through the special equipment, the application range of the fault detection of the virtual machine is enlarged.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flowchart of a method for detecting a virtual machine failure provided in the present application;
fig. 2 is a schematic diagram of a virtual machine fault detection device provided in the present application.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will clearly and completely describe the technical solution in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
Referring to fig. 1, fig. 1 is a flowchart of a method for detecting a virtual machine failure provided in the present application, which may include the following steps 101-104.
S101: and acquiring the working process information of the target virtual machine, which is displayed by the telex typing equipment corresponding to the target virtual machine.
While creating the virtual machines, a teletype (tty) corresponding to the virtual machines is created in a matching manner, i.e., each virtual machine has a tty associated therewith. After the virtual machine is started, working process information generated in the working process is printed in tty, and the working process information is displayed through tty.
The cloud platform includes at least one virtual machine, and a description will be given below taking one virtual machine in the cloud platform as a target virtual machine. And acquiring working process information of the target virtual machine, which is displayed by tty and corresponds to the target virtual machine.
S102: and generating a target working text according to the working process information.
Since the work process information is displayed in tty and character string detection cannot be performed, a target work text capable of performing character string detection can be generated according to the work process information.
As one possible implementation, the work process information generated by the target virtual machine may be generated into the target work text by a pipeline or a copy manner. The target virtual machine can generate target working texts from all working process information generated by the target virtual machine, and can convert the working process information meeting the preset quantity into the target working texts.
It should be noted that, the embodiment of the present application is not specifically limited to the preset number of values, for example, may be 24 lines of working process information, and may also be all working process information displayed on the tty current screen.
As a possible implementation manner, the target working text corresponding to the target virtual machine may be stored in a physical machine where the target virtual machine is located, where the physical machine includes at least one virtual machine, and the working text corresponding to each virtual machine may be stored in the physical machine, so that in order to distinguish the working texts corresponding to different virtual machines, a unique identifier of the virtual machine, such as a universal unique identifier (Universally Unique Identifier, UUID), may be used to name the working texts of different virtual machines.
S103: and judging whether the target work text comprises a fault keyword or not.
Since the target work text can perform character string detection, it can be determined whether the target work text includes a fault keyword, which includes, but is not limited to, kernel scrambling (Kernel panic), required restart (cores to restart), detected problems (A problem has been detected), holes (BUG), and the like. When "bad p4d" appears in the target work text, the virtual machine also has an unknown problem and needs to be restarted to work normally, so that the "bad p4d" can also be used as a fault key.
S104: and if the target working text comprises the fault keywords, sending a message that the target virtual machine fails to the cloud platform.
If the target working text includes the fault keywords, the fault of the target virtual machine is indicated, and a message that the target virtual machine is faulty can be sent to the cloud platform, so that the cloud platform can perform subsequent recovery operation on the target virtual machine.
As a possible implementation manner, if the target working text includes a fault keyword, sending a message of the fault of the target virtual machine to a fault virtual machine message queue, acquiring the message of the fault of the target virtual machine from the fault virtual machine message queue, and sending the message of the fault of the target virtual machine to the cloud platform. Therefore, when the number of the virtual machines with faults in the cloud platform is large, the cloud platform can recover the virtual machines one by one, the fault information of the virtual machines can be stored in the fault virtual machine information queue, the cloud platform can continuously acquire the information from the fault virtual machine information queue, and the fault virtual machines are determined according to the information, so that recovery is performed, and the cloud platform is prevented from collapsing.
In order to determine a virtual machine with a fault from the messages acquired from the message queue, after the virtual machine is determined to have a fault, the unique identifier of the virtual machine may be stored in the message queue of the fault virtual machine through the messages, so that after the messages are acquired from the message queue of the fault virtual machine, the virtual machine with the fault may be determined by analyzing the identifier carried in the messages.
According to the technical method, when the virtual machine is constructed, the telex typing equipment corresponding to the virtual machine is constructed in a matched mode, the telex typing equipment is used for displaying the working process information of the target virtual machine, the working process information can show whether the virtual machine has faults in the working process, so that the working process information of the telex typing equipment for displaying the target virtual machine can be obtained, the target working text is generated according to the working process information, therefore, the working process information only used for displaying can be converted into the target working text capable of carrying out character string detection, whether the target working text comprises fault keywords is judged, if the target working text comprises the fault keywords, the fact that the target virtual machine has faults is explained, the fault information of the target virtual machine is sent to the cloud platform, and the cloud platform can conveniently carry out subsequent recovery operation on the target virtual machine. Therefore, special equipment is not needed, fault detection can be carried out on the virtual machine through telex typing equipment matched with the virtual machine, the cost of the fault detection is reduced, the telex typing equipment is matched with the virtual machine, the use scene of the virtual machine is not limited, and compared with the fault detection of the virtual machine through the special equipment, the application range of the fault detection of the virtual machine is enlarged.
As a possible implementation manner, if the cloud platform further has other virtual machines after the fault detection of the target virtual machine is completed, the other virtual machines may be used as the target virtual machines, and the foregoing method of S101 to S104 is executed until the fault detection is completed by all the virtual machines in the cloud platform.
After the fault detection of all the virtual machines in the cloud platform is completed, the fault detection of all the virtual machines in the cloud platform can be repeated again, and the moment of restarting can be that after the fault detection of all the virtual machines is completed last time, the next fault detection of all the virtual machines in the cloud platform can be started every fixed time period.
As a possible implementation manner, fault detection may also be performed on all virtual machines in the cloud platform in parallel, which is not specifically limited in this application.
In order to make the technical solution provided by the embodiments of the present application clearer, an example is used to describe the virtual machine fault detection method provided by the embodiments of the present application.
After the virtual machine is started, a virtual machine monitor (Hypervisor) generates a working text by printing out working process information in tty of the virtual machine in a pipeline or copying mode, and stores the working text into a text file named UUID of the virtual machine in the physical machine. Each virtual machine corresponds to a text file, and is named by UUID of the virtual machine.
And only keeping all working process information displayed on a tty current screen in the text file, and after one screen is fully written, emptying the content in the text file and rewriting new screen content. As a possible implementation manner, after the virtual machine starts the graphical interface, the last screen character output content is reserved in the text file.
And circularly traversing a virtual machine list, wherein the virtual machine list is obtained by acquiring names and UUID information of all virtual machines running on a physical machine through a Hypervisor, reading a text file named by the UUID of the virtual machine, searching the content in the text file, judging whether a fault keyword is contained, judging that the virtual machine fails if the fault keyword is contained, and otherwise, judging that the virtual machine is normal. When the fault virtual machine is detected, information such as the name, UUID and the like of the virtual machine is sent to a fault virtual machine message queue.
And when the message queue of the fault virtual machine is not empty, taking out a message from the message queue of the fault virtual machine, analyzing the message to obtain information such as the name and UUID of the virtual machine, and sending the message that the virtual machine has faults to a cloud platform, so that fault detection can be carried out on the virtual machine without special equipment, and fault keyword retrieval is carried out on the content in a text file by outputting the information printed in tty of the virtual machine to the text file, thereby detecting the faults of the virtual machine. Therefore, the cloud platform can detect virtual machine faults under the condition that special equipment is not available, and meanwhile, the technical scheme of the application can be also suitable for virtual machine fault detection of platforms such as ARM (Advanced RISC Machine) and MIPS (Microprocessor without interlocked piped stages).
In addition to the virtual machine fault detection method provided, the embodiment of the present application further provides a virtual machine fault detection device, as shown in fig. 2, where the device includes: an acquisition unit 201, a generation unit 202, a judgment unit 203, and a transmission unit 204;
the obtaining unit 201 is configured to obtain working process information of a target virtual machine displayed by using telex typing equipment corresponding to the target virtual machine, where the target virtual machine is any one virtual machine in a cloud platform;
the generating unit 202 is configured to generate a target working text according to the working process information;
the judging unit 203 is configured to judge whether the target working text includes a fault keyword;
and the sending unit 204 is configured to send a message that the target virtual machine fails to the cloud platform if the target working text includes a failure keyword.
As a possible implementation manner, the apparatus further includes a circulation unit, configured to:
and if the fault detection of the target virtual machine is completed, taking other virtual machines as target virtual machines, and executing the steps of acquiring the working process information of the target virtual machine displayed by the telex typing equipment corresponding to the target virtual machine until the fault detection of all virtual machines in the cloud platform is completed, wherein the other virtual machines are virtual machines which are different from the target virtual machines in the cloud platform.
As a possible implementation manner, the sending unit 204 is configured to:
if the target working text comprises a fault keyword, sending the fault message of the target virtual machine to a fault virtual machine message queue;
and acquiring the fault message of the target virtual machine from the fault virtual machine message queue, and sending the fault message of the target virtual machine to the cloud platform.
As a possible implementation manner, the obtaining unit 201 is configured to:
acquiring a preset number of working process information from the working process information of the target virtual machine, which is displayed by telex typing equipment corresponding to the target virtual machine;
the generating the target working text according to the working process information comprises the following steps:
and generating target working text according to the preset number of working process information.
As a possible implementation manner, the obtaining unit 201 is configured to:
and generating target working text by the preset quantity of working process information in a pipeline or copying mode.
According to the virtual machine fault detection device, when the virtual machine is constructed, telex typing equipment corresponding to the virtual machine is constructed in a matched mode, the telex typing equipment is used for displaying working process information of the target virtual machine, the working process information can show whether the virtual machine breaks down in the working process, so that the telex typing equipment can acquire the working process information of the telex typing equipment for displaying the target virtual machine, a target working text is generated according to the working process information, therefore, the working process information only used for displaying can be converted into the target working text capable of carrying out character string detection, whether the target working text comprises a fault keyword is judged, if the target working text comprises the fault keyword, the fact that the target virtual machine breaks down is indicated, and a message that the target virtual machine breaks down is sent to the cloud platform, so that the cloud platform can carry out subsequent recovery operation on the target virtual machine. Therefore, special equipment is not needed, fault detection can be carried out on the virtual machine through telex typing equipment matched with the virtual machine, the cost of the fault detection is reduced, the telex typing equipment is matched with the virtual machine, the use scene of the virtual machine is not limited, and compared with the fault detection of the virtual machine through the special equipment, the application range of the fault detection of the virtual machine is enlarged.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for the device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points. The apparatus embodiments described above are merely illustrative, wherein the units and modules illustrated as separate components may or may not be physically separate. In addition, some or all of the units and modules can be selected according to actual needs to achieve the purpose of the embodiment scheme. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
The foregoing is merely exemplary of the application and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the application and are intended to be comprehended within the scope of the application.
Claims (6)
1. A method for detecting a virtual machine failure, the method comprising:
acquiring working process information of a target virtual machine, which is displayed by telex typing equipment corresponding to the target virtual machine, wherein the target virtual machine is any virtual machine in a cloud platform;
generating a target working text according to the working process information;
judging whether the target working text comprises a fault keyword or not;
if the target working text comprises a fault keyword, sending a message that the target virtual machine is faulty to the cloud platform;
the obtaining the working process information of the target virtual machine, which is displayed by the telex typing equipment corresponding to the target virtual machine, comprises the following steps:
acquiring a preset number of working process information from the working process information of the target virtual machine, which is displayed by telex typing equipment corresponding to the target virtual machine;
the generating the target working text according to the working process information comprises the following steps:
generating a target working text according to the preset number of working process information;
the generating the target working text according to the preset number of working process information comprises the following steps:
and generating target working text by the preset quantity of working process information in a pipeline or copying mode.
2. The method according to claim 1, wherein the method further comprises:
and if the fault detection of the target virtual machine is completed, taking other virtual machines as target virtual machines, and executing the steps of acquiring the working process information of the target virtual machine displayed by the telex typing equipment corresponding to the target virtual machine until the fault detection of all virtual machines in the cloud platform is completed, wherein the other virtual machines are virtual machines which are different from the target virtual machines in the cloud platform.
3. The method of claim 1, wherein if the target work text includes a fault keyword, sending a message to the cloud platform that the target virtual machine has a fault, comprises:
if the target working text comprises a fault keyword, sending the fault message of the target virtual machine to a fault virtual machine message queue;
and acquiring the fault message of the target virtual machine from the fault virtual machine message queue, and sending the fault message of the target virtual machine to the cloud platform.
4. A virtual machine failure detection apparatus, the apparatus comprising: the device comprises an acquisition unit, a generation unit, a judgment unit and a sending unit;
the acquisition unit is used for acquiring working process information of a target virtual machine, which is displayed by telex typing equipment corresponding to the target virtual machine, wherein the target virtual machine is any virtual machine in a cloud platform;
the generating unit is used for generating a target working text according to the working process information;
the judging unit is used for judging whether the target working text comprises a fault keyword or not;
the sending unit is used for sending the message of the fault of the target virtual machine to the cloud platform if the target working text comprises a fault keyword;
the acquisition unit is used for:
acquiring a preset number of working process information from the working process information of the target virtual machine, which is displayed by telex typing equipment corresponding to the target virtual machine;
the generating the target working text according to the working process information comprises the following steps:
generating a target working text according to the preset number of working process information;
the acquisition unit is used for:
and generating target working text by the preset quantity of working process information in a pipeline or copying mode.
5. The apparatus of claim 4, further comprising a circulation unit for:
and if the fault detection of the target virtual machine is completed, taking other virtual machines as target virtual machines, and executing the steps of acquiring the working process information of the target virtual machine displayed by the telex typing equipment corresponding to the target virtual machine until the fault detection of all virtual machines in the cloud platform is completed, wherein the other virtual machines are virtual machines which are different from the target virtual machines in the cloud platform.
6. The apparatus of claim 4, wherein the transmitting unit is configured to:
if the target working text comprises a fault keyword, sending the fault message of the target virtual machine to a fault virtual machine message queue;
and acquiring the fault message of the target virtual machine from the fault virtual machine message queue, and sending the fault message of the target virtual machine to the cloud platform.
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