CN110780857A - Unified log component - Google Patents

Unified log component Download PDF

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Publication number
CN110780857A
CN110780857A CN201911009992.3A CN201911009992A CN110780857A CN 110780857 A CN110780857 A CN 110780857A CN 201911009992 A CN201911009992 A CN 201911009992A CN 110780857 A CN110780857 A CN 110780857A
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log
component
unified
file
configuration
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CN201911009992.3A
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CN110780857B (en
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纪森
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Hangzhou Tuya Information Technology Co Ltd
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Hangzhou Tuya Information Technology Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/20Software design
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/17Details of further file system functions
    • G06F16/1734Details of monitoring file system events, e.g. by the use of hooks, filter drivers, logs
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/10File systems; File servers
    • G06F16/18File system types
    • G06F16/1805Append-only file systems, e.g. using logs or journals to store data
    • G06F16/1815Journaling file systems
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/70Software maintenance or management
    • G06F8/71Version control; Configuration management

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Debugging And Monitoring (AREA)

Abstract

A unified log component for managing log files of an application implements the following: 1) acquiring the traceId, outputting the traceId to a log file, and tracking the whole calling link according to the traceId; 2) the log component comprises a log configuration file with a unified log format and is used for outputting the log file with the unified format; 3) and the log component monitors the change of the log configuration of the application and adjusts the log file according to the change item. The log component can conveniently manage the applied log file, can track the whole calling link according to the traceId, generates the log file with a uniform format, is convenient for data statistics and analysis, realizes dynamic log level adjustment, realizes the revisable traceability and safety through the log component, can more conveniently configure the log component through the management platform, improves the use safety of the log component, and monitors the log file which possibly influences the application performance. The invention is easy to access the existing application and realizes the configuration, monitoring and management of the log file.

Description

Unified log component
Technical Field
The invention belongs to the technical field of computers, relates to management of log files, and provides a unified log component.
Technical Field
With the technical development of the internet in the last 10 years, logs play more and more important roles in applications, such as problem troubleshooting, big data statistics, user portrayal and the like; all this is premised on a simple and well-used log output component.
Most of the current log components have the following defects:
1. without traceId, the whole call link cannot be tracked, the execution condition of the link is unknown, and system optimization and problem troubleshooting are not convenient.
2. The log format, the cutting mode and the storage path are not uniform among different applications, which brings great troubles to log collection, data statistics and operation analysis.
3. The log level adjustment capability is not provided, after the application has a problem, the code can only be modified and released again to adjust the log level, and after the troubleshooting is completed, the code needs to be rolled back, so that a large amount of useless logs are prevented from being output, and the process is long and is easy to make mistakes.
4. Some existing log components are complex in configuration, and the configuration can be completed only by deep knowledge of developers.
The invention aims to provide a simpler and more flexible log component, which is convenient for a user to analyze the service and investigate the problem.
Disclosure of Invention
The invention aims to solve the problems that: the existing log component can not meet the requirements in use, and has the problems of low tracking performance, non-uniformity and difficult convergence and use of various logs, inconvenience in adjustment, complex configuration and the like.
The technical scheme of the invention is as follows: a unified logging component by which log files of an application are managed, the logging component implementing by a computer program:
1) generating traceId by skywalk, acquiring the traceId by a log component through Threadlocal of a current thread, outputting the traceId to a log file, and tracking the whole call link according to the traceId;
2) the log component comprises a log configuration file with a unified log format and is used for outputting the log file with the unified format;
3) and the log component monitors the change of the log configuration of the application and adjusts the log file according to the change item.
Preferably, the traceId is composed of a timestamp accurate to milliseconds + machine room id + server id + self-incrementing sequence number.
Further, the log configuration file in the unified log format is various applet components including TDOUT, DEBUG, INFO, WARN and ERROR, and the unified log format includes: timestamp, log level, traceId, class full or short, method, line number, and log body.
Further, the configuration file change items monitored by the log component include:
3.1) the name of the log loggerName, which displays the name of the log file to be changed;
3.2) log level loggerLevel, displaying the log level to be changed;
3.3) responding to the object hostname, and displaying a machine which needs to respond specifically;
and 3.4) enabling an item enable to indicate whether the changed log configuration is enabled or not, and after the log name, the level and the response object are adjusted, adjusting the changed configuration before the log configuration is enabled or not through the enable configuration.
Furthermore, the log component provides a general configuration file logback.xml, the log component completes access when the application configures logging.config, for the personalized scene, the log component provides a logback-extension.xml extension, the application configures the personalized logger according to the general file, and puts the logger under the classpath, and the log component automatically loads the configuration file classpath.
Further, as a preferred mode, the log component is provided with a management platform, the management platform is in butt joint with the log component and is used for setting a log configuration file of the log component and displaying a monitoring process of the log component on the application, and the management platform is provided with a login verification interface.
Furthermore, the log component monitors the designated log file at regular time and gives an alarm when the set time is exceeded.
The log component provided by the invention can conveniently manage the applied log file, can track the whole calling link according to the traceId to generate the log file with a uniform format, is convenient for data statistical analysis, realizes dynamic log level adjustment, realizes the repairability and safety of modification through the log component, can more conveniently configure the log component through the management platform, improves the use safety of the log component, and monitors the log file which possibly influences the application performance. The invention is easy to access the existing application and realizes the configuration, monitoring and management of the log file.
Detailed Description
The invention provides the same log component for managing the log files, and the log file management of the application can be facilitated through the log component.
The invention relates to a unified log component access application, which realizes the following contents through a computer program:
1) and generating the traceId by skywalk, acquiring the traceId by the log component through ThreadLocal of the current thread, outputting the traceId to a log file, and tracking the whole call link according to the traceId. ThreadLocal is a tool class in the Java programming language that guarantees the security of variable threads. Each traceId is guaranteed by a character string with a fixed length, the invention further improves the traceId, and the production algorithm of the traceId is as follows: the machine is accurate to a time stamp of milliseconds + a machine room + a server id + a self-increment sequence number, and the conventional algorithm of the conventional skywalk is as follows: applying id + thread id + timestamp + self-increment sequence number; therefore, the traceId has better uniqueness, and the traceId is ensured to be unique in multiple global computer rooms.
2) The log component comprises a log configuration file with a unified log format and is used for outputting the log file with the unified format; the log configuration file in the unified log format is various applet components including TDUT, DEBUG, INFO, WARN and ERROR, and the unified log format comprises the following steps: timestamp, log level, traceId, class full name or abbreviation, method, line number, and log body, the method referring to a "function" in the Java programming language.
The log configuration file can cover more than 90% of use scenes, and after the log components are introduced into the application, the applet components do not need to be configured and can be used after being unpacked.
3) And the log component monitors the change of the log configuration of the application and adjusts the log file according to the change item.
For the problem of application troubleshooting, the log level needs to be modified so as to carry out problem troubleshooting, and the configuration file change items monitored by the log component comprise:
3.1) the name of the log loggerName, which displays the name of the log file to be changed;
3.2) log level loggerLevel, displaying the log level to be changed;
3.3) responding to the object hostname, and displaying a machine which needs to respond specifically;
and 3.4) enabling an item enable to indicate whether to enable the changed log configuration, after the log name, the level and the response object are adjusted, the problem is eliminated, and the changed configuration is adjusted before the enabled configuration is enabled through the enable configuration.
For example, the modified configuration:
[
{
"loggerName":"com.tuya.tetris.biz.task.DeviceStatusCompareTask",
"hostName":"hz-s-tetris-001",
"level":"debug",
"enable":true
}
]
wherein: loggerName represents the log name of the level needing to be changed; the hostName indicates on which instance the change is in effect, which is very useful for clustered applications, without having to print a log for every instance; level represents the log Level to be printed; enable indicates whether level change is enabled, and the adjusted log level can be enabled and closed simply. And the log component analyzes the configuration value after the change item is changed, makes different responses according to different values and adjusts the log file.
Furthermore, the log component provides a general configuration file logback.xml, the application program configures logging.config to complete access, for the personalized scene, the log component provides a log-extension.xml extension, the application configures the personalized loader according to the general file, and puts the loader under the classpath, and the log component automatically loads the configuration file classpath. Xml refers to a default configuration file of a logback log tool, and application. The configuration is a self-defined attribute, and represents the location of the logback, and the application program can complete access after configuring the location of the logback. Xml, an extension of logback xml, is used to provide some personalized definitions that cannot be covered by logback xml for personalized scenes. Logger acts as a Logger for logs, and classpath refers to the relative path of a bytecode file. Xml is an extension file to logback xml, and its configuration can also be performed with reference to logback xml.
Further, as a preferred mode, the log component is provided with a management platform, the management platform is in butt joint with the log component and is used for setting a log configuration file of the log component and displaying a monitoring process of the log component on the application, and the management platform is provided with a login verification interface. Furthermore, the log component monitors the designated log file at regular time and gives an alarm when the set time is exceeded.
In the prior art, the modification of the log file needs to be released again to adjust the log level, and after the completion of the investigation, the code needs to be rolled back, so that a large amount of useless log output is avoided, and the following problems exist: 1) the exposed interface is unsafe and inconvenient; 2) it may be overlooked to forget whether to modify the configuration, which may cause the debug log to be in an on state and affect the system performance. 3) Configuration needs to be started one by one for a cluster environment, operation is troublesome, and errors are easy to occur. The log component provides uniform configuration management, the log component can check and edit own log configuration in real time, the management platform provides a more visual interactive platform for the log configuration, and the management platform is provided with a set of login and verification processes to ensure that the log configuration cannot be broken by hackers. For configurations that may affect performance, there may be a timed monitoring, e.g., more than 5 minutes, to alert the user. In addition, the log component can manage the whole cluster and also can manage a single machine.

Claims (9)

1. A unified log component, wherein log files of an application are managed by the log component, and the log component implements the following by a computer program:
1) generating traceId by skywalk, acquiring the traceId by a log component through Threadlocal of a current thread, outputting the traceId to a log file, and tracking the whole call link according to the traceId;
2) the log component comprises a log configuration file with a unified log format and is used for outputting the log file with the unified format;
3) and the log component monitors the change of the log configuration of the application and adjusts the log file according to the change item.
2. A unified logging component according to claim 1, characterized in that said traceId consists of a time stamp accurate to milliseconds + machine room id + server id + self-incrementing sequence number.
3. The unified log component as claimed in claim 1, wherein said log configuration file in unified log format is an apender component including TDOUT, DEBUG, INFO, WARN and ERROR, and the unified log format includes: timestamp, log level, traceId, class full name or abbreviation, function method, line number, and log body.
4. A unified logging component according to claim 1, wherein the configuration file change items monitored by the logging component comprise:
3.1) the name of the log loggerName, which displays the name of the log file to be changed;
3.2) log level loggerLevel, displaying the log level to be changed;
3.3) responding to the object hostname, and displaying a machine which needs to respond specifically;
and 3.4) enabling an item enable to indicate whether the changed log configuration is enabled or not, and after the log name, the level and the response object are adjusted, adjusting the changed configuration before the log configuration is enabled or not through the enable configuration.
5. The unified log component of claim 1, wherein the log component provides a common configuration file, which is configured to access when the application configures the logging.
6. A unified logging kit according to any of claims 1-5, wherein the logging kit is provided with a management platform interfacing the logging kit, for setting a log configuration file of the logging kit and for displaying a monitoring procedure of the logging kit on the application, the management platform being provided with a login verification interface.
7. A unified journal assembly according to any of claims 1-5, characterized in that the journal assembly monitors the designated journal files periodically and alarms when a set time is exceeded.
8. A unified journal assembly according to any of claims 6, characterized in that the journal assembly monitors the designated journal files periodically and alarms when a set time is exceeded.
9. A computer device for running an application program, wherein the computer device is configured with a computer program, and the computer program implements the unified log component of claims 1-8 when running to manage log files of the application program.
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