damn f*ck this markup
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@ -6,32 +6,47 @@ Configuration.
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A plugin supports per-virtualhost configuration. Config may contains one or more of this sections (example):
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[[webservercodes.vhosts]]
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host = "defaulthost"
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access_log = "/var/log/apache2/access.log"
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regex_parsestring = `\[(?P<time>[^\]]+)\] ".*?" (?P<code>\d{3})`
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parse_interval = "10s"
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- 'host' is the name of virtualhost. It's preferred to use main domain as a value.
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'host' is the name of virtualhost. It's preferred to use main domain as a value.
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'access_log' is the full name of log file for this virtualhost (with full path). File must exists ann be readable by telegraf process owner (usually user 'telegraf').
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- 'access_log' is the full name of log file for this virtualhost (with full path). File must exists ann be readable by telegraf process owner (usually user 'telegraf').
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If you have apache web server installed on Debian/Ubuntu, you can set file readable by executing shell command:
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$ sudo adduser telegraf adm
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- 'regex_parsestring' is regexp pattern for log parsing. Regexp syntax must conform to goland acceptable syntax (see https://golang.org/s/re2syntax).
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`$ sudo adduser telegraf adm`
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'regex_parsestring' is regexp pattern for log parsing. Regexp syntax must conform to goland acceptable syntax (see https://golang.org/s/re2syntax).
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Pattern must include named substrings with labels 'time' and 'code'.
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Example for apache "common" and "combined" log formats, nginx default log format ("combined"):
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`\[(?P<time>[^\]]+)\] ".*?" (?P<code>\d{3})`
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This pattern matches for log entries like (example):
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`127.0.0.1 - - [30/Aug/2015:05:59:36 +0000] "GET / HTTP/1.1" 404 379 "-" "-"`
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If you use another web server, please note that time must conform to apache2 `%t` format, see default configuration and http://httpd.apache.org/docs/2.2/mod/mod_log_config.html
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- 'parse_interval' is interval that limits amount of log entries readed and parsed by plugin. It allows to examine even extremely large log files.
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'parse_interval' is interval that limits amount of log entries readed and parsed by plugin. It allows to examine even extremely large log files.
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Usually this setting may match to global 'interval' parameter, but it can be adjusted in some cases of too high or too low load.
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Parameter must be in time.Duration format (see https://golang.org/pkg/time/#ParseDuration).
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Collected measurements.
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Plugin adds tag 'virtualhost' to standard 'host' tag to all it's output values.
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Output values are:
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- 'webservercodes_NNN' = (int), where NNN is all http codes defined in https://www.ietf.org/rfc/rfc2616.txt;
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- 'webservercodes_total' = (int) - total amount of codes collected per one plugin start.
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