Rsyslog template examples. They are also used for dynamic file name generation. Any output that is generated by rsyslog can be modified and formatted according to your needs with the use of templates. of a message, but does not show how to use apply multiple templates to a single message. template的类型 类型参数指定不同的template类型，不同类型就可以使用不同的方法来定义template的内容，类型不会影响插件工作，合适的template类型会很好的匹配需求。 List Subtree String Plugin 下面具体讲一下每种类型 三、四种类型的学习 1. This is required so receivers can parse message boundaries and metadata. Use it when you need to build structured output field by field or perform explicit schema mapping. Templates define how messages are formatted for output destinations, while Properties provide access to various parts of syslog messages. Contribute to lilgreenwein/rsyslog-examples development by creating an account on GitHub. Every output in rsyslog uses templates - this holds true for files, user messages and so on. 9. Note that this format is still supported, so there is no hard need to upgrade existing configurations. As such, templates are not affected by if-statements or config nesting. By understanding and utilizing templates, you can tailor your logging system to meet your specific requirements, improving readability, analysis, and integration with other tools. Traditional syslogd-like format: Mar 10, 2015 · The rsyslog documentation provides good information on how to create a template and apply it based on the contents/facility/etc. Templates ¶ Templates define how messages are formatted before being written to a file, forwarded, or otherwise processed. Typical cases: This section provides some default templates in legacy format, as used in rsyslog previous to version 6. Note that it is a static statement, that means all templates are defined when rsyslog reads the config file. For information about the Apr 27, 2017 · 3. . If a template is not supplied, the plugin will default to the RSYSLOG_ForwardFormat template. Notable Features ¶ Statistic Counter Configuration Parameters ¶ Note Parameter names are case-insensitive; camelCase is recommended for readability. 6 Description ¶ The list template type generates output from a sequence of constant and property statements enclosed in curly braces. They allow to specify any format a user might want. They sit at the point where parsed messages are transformed into their final structure. So, we generate both the private and public key on the CA (which is NOT a server!) and then copy them The template () statement ¶ The template () statement is used to define templates. For example, to split syslog messages by host name: Example 2: Queue mode ¶ In “queue” mode, the syslog message is pushed into a Redis list at “key”, using the LPUSH command. This simplification permits us to use a somewhat less complicated way of generating the machine certificates. Overview ¶ Templates are a central concept in rsyslog. 5. Traditional syslogd-like format: Templates ¶ Templates define how rsyslog transforms data before output. The basic structure of the template statement is as follows: To enable the module use “–enable-clickhouse” while configuring rsyslog. Property statement — emit values from rsyslog properties or variables into the output (see Property For now, we assume that a single person (or group) is responsible for the whole rsyslog system and thus it is OK if that single person is in posession of all machine's private keys. list类型 List template是由一系列反复出现的内容和变量语句生成的 Example Use Cases ¶ Receiving massive amounts of messages with high performance Use Case Sample Configuration Notes on the suggested config Suggested User Performance Testing See Also See also Help with configuring/using Rsyslog: rsyslog Assistant: official AI-powered support GitHub Discussions GitHub Issues: rsyslog source project – report Templates are a key feature of rsyslog. Apr 27, 2025 · Templates define how messages are formatted for output destinations, while Properties provide access to various parts of syslog messages. When the target transport expects textual records (for example, classic syslog receivers, line-based file formats, or CSV), the template must include a transport header. Creating dynamic file names for omfile ¶ Templates can generate dynamic file names. conf: Nov 6, 2025 · Mastering Rsyslog templates for custom log formats and file paths is crucial for efficient log management. They map parsed fields into schemas, format records, and generate dynamic destinations. Detailed examples are provided in the template type pages. Examples ¶ Below are examples for templates and rule definitions using RainerScript. Tests for the testbench can be enabled with “–enable-clickhouse-tests”. Apr 27, 2025 · Templates and Properties Relevant source files Templates and Properties form the core formatting and data extraction system in rsyslog. This page explains the structure, implementation, and usage of these two interrelated systems. To create a template use the following syntax in /etc/rsyslog. The database writer expects its template to be a proper SQL statement - so this is highly customizable too. This includes: Schema mapping in pipelines — normalize or rename parsed fields into a Examples ¶ Below are examples for templates and rule definitions using RainerScript. lbi zrc upu ugi qup fik vaw ink tlj ucv mka ksm cec rda fnw