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author | Rob Austein <sra@hactrn.net> | 2020-09-13 23:15:43 +0000 |
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committer | Rob Austein <sra@hactrn.net> | 2020-09-13 23:21:33 +0000 |
commit | 13d0f55865f8b1b851ce1e84597b144c5fd41662 (patch) | |
tree | 7b6ff6916f6596f64ec0d2657ae040abd5e18ed9 /raw-wiki-dump/TracLogging.md | |
parent | 3aa8b1dd6e0f504ef83da99f8c9cdb2532f948f5 (diff) |
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diff --git a/raw-wiki-dump/TracLogging.md b/raw-wiki-dump/TracLogging.md deleted file mode 100644 index 9eb5f7f..0000000 --- a/raw-wiki-dump/TracLogging.md +++ /dev/null @@ -1,50 +0,0 @@ -# Trac Logging -[[TracGuideToc]] - -Trac supports logging of system messages using the standard [logging module](http://docs.python.org/library/logging.html) that comes with Python. - -Logging is configured in the `[logging]` section in [wiki:TracIni#logging-section trac.ini]. - -## Supported Logging Methods - -The log method is set using the `log_type` option in [wiki:TracIni#logging-section trac.ini], which takes any of the following values: - - **none*:: Suppress all log messages. - **file**:: Log messages to a file, specified with the `log_file` option in [wiki:TracIni#logging-section trac.ini]. Relative paths in `log_file` are resolved relative to the `log` directory of the environment. - **stderr**:: Output all log entries to console ([wiki:TracStandalone tracd] only). - **syslog**:: (UNIX) Send all log messages to the local syslogd via named pipe `/dev/log`. By default, syslog will write them to the file /var/log/messages. - **eventlog**:: (Windows) Use the system's NT Event Log for Trac logging. - -## Log Levels - -The verbosity level of logged messages can be set using the `log_level` option in [wiki:TracIni#logging-section trac.ini]. The log level defines the minimum level of urgency required for a message to be logged, and those levels are: - - **CRITICAL**:: Log only the most critical (typically fatal) errors. - **ERROR**:: Log failures, bugs and errors. - **WARN**:: Log warnings, non-interrupting events. - **INFO**:: Diagnostic information, log information about all processing. - **DEBUG**:: Trace messages, profiling, etc. - -Additionally, you can enable logging of SQL statements at debug level. This is turned off by default, as it's very verbose. Set `[trac] debug_sql = yes` in TracIni to activate. - -## Log Format - -The output format for log entries can be specified through the `log_format` option in [trac.ini]. The format is a string which can contain any of the [http://docs.python.org/library/logging.html#logrecord-attributes Python logging Formatter variables](wiki:TracIni#logging-section). Additonally, the following Trac-specific variables can be used: - **$(basename)s**:: The last path component of the current environment. - **$(path)s**:: The absolute path for the current environment. - **$(project)s**:: The originating project's name. - -Note that variables are identified using a dollar sign (`$(...)s`) instead of percent sign (`%(...)s`). - -The default format is: -```#!ini -log_format = Trac[$(module)s] $(levelname)s: $(message)s -``` - -In a multi-project environment where all logs are sent to the same place (e.g. `syslog`), it makes sense to add the project name. In this example we use `basename` since that can generally be used to identify a project: -```#!ini -log_format = Trac[$(basename)s:$(module)s] $(levelname)s: $(message)s -``` - ----- -See also: TracIni, TracGuide, TracEnvironment |