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- package grok
- var patterns = map[string]string{
- "USERNAME": `[a-zA-Z0-9._-]+`,
- "USER": `%{USERNAME}`,
- "EMAILLOCALPART": `[a-zA-Z][a-zA-Z0-9_.+-=:]+`,
- "EMAILADDRESS": `%{EMAILLOCALPART}@%{HOSTNAME}`,
- "HTTPDUSER": `%{EMAILADDRESS}|%{USER}`,
- "INT": `(?:[+-]?(?:[0-9]+))`,
- "BASE10NUM": `([+-]?(?:[0-9]+(?:\.[0-9]+)?)|\.[0-9]+)`,
- "NUMBER": `(?:%{BASE10NUM})`,
- "BASE16NUM": `(0[xX]?[0-9a-fA-F]+)`,
- "POSINT": `\b(?:[1-9][0-9]*)\b`,
- "NONNEGINT": `\b(?:[0-9]+)\b`,
- "WORD": `\b\w+\b`,
- "NOTSPACE": `\S+`,
- "SPACE": `\s*`,
- "DATA": `.*?`,
- "GREEDYDATA": `.*`,
- "QUOTEDSTRING": `"([^"\\]*(\\.[^"\\]*)*)"|\'([^\'\\]*(\\.[^\'\\]*)*)\'`,
- "UUID": `[A-Fa-f0-9]{8}-(?:[A-Fa-f0-9]{4}-){3}[A-Fa-f0-9]{12}`,
- "MAC": `(?:%{CISCOMAC}|%{WINDOWSMAC}|%{COMMONMAC})`,
- "CISCOMAC": `(?:(?:[A-Fa-f0-9]{4}\.){2}[A-Fa-f0-9]{4})`,
- "WINDOWSMAC": `(?:(?:[A-Fa-f0-9]{2}-){5}[A-Fa-f0-9]{2})`,
- "COMMONMAC": `(?:(?:[A-Fa-f0-9]{2}:){5}[A-Fa-f0-9]{2})`,
- "IPV6": `((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?`,
- "IPV4": `(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)`,
- "IP": `(?:%{IPV6}|%{IPV4})`,
- "HOSTNAME": `\b(?:[0-9A-Za-z][0-9A-Za-z-]{0,62})(?:\.(?:[0-9A-Za-z][0-9A-Za-z-]{0,62}))*(\.?|\b)`,
- "HOST": `%{HOSTNAME}`,
- "IPORHOST": `(?:%{IP}|%{HOSTNAME})`,
- "HOSTPORT": `%{IPORHOST}:%{POSINT}`,
- "PATH": `(?:%{UNIXPATH}|%{WINPATH})`,
- "UNIXPATH": `(/[\w_%!$@:.,-]?/?)(\S+)?`,
- "TTY": `(?:/dev/(pts|tty([pq])?)(\w+)?/?(?:[0-9]+))`,
- "WINPATH": `([A-Za-z]:|\\)(?:\\[^\\?*]*)+`,
- "URIPROTO": `[A-Za-z]+(\+[A-Za-z+]+)?`,
- "URIHOST": `%{IPORHOST}(?::%{POSINT:port})?`,
- "URIPATH": `(?:/[A-Za-z0-9$.+!*'(){},~:;=@#%_\-]*)+`,
- "URIPARAM": `\?[A-Za-z0-9$.+!*'|(){},~@#%&/=:;_?\-\[\]<>]*`,
- "URIPATHPARAM": `%{URIPATH}(?:%{URIPARAM})?`,
- "URI": `%{URIPROTO}://(?:%{USER}(?::[^@]*)?@)?(?:%{URIHOST})?(?:%{URIPATHPARAM})?`,
- "MONTH": `\b(?:Jan(?:uary|uar)?|Feb(?:ruary|ruar)?|M(?:a|ä)?r(?:ch|z)?|Apr(?:il)?|Ma(?:y|i)?|Jun(?:e|i)?|Jul(?:y)?|Aug(?:ust)?|Sep(?:tember)?|O(?:c|k)?t(?:ober)?|Nov(?:ember)?|De(?:c|z)(?:ember)?)\b`,
- "MONTHNUM": `(?:0?[1-9]|1[0-2])`,
- "MONTHNUM2": `(?:0[1-9]|1[0-2])`,
- "MONTHDAY": `(?:(?:0[1-9])|(?:[12][0-9])|(?:3[01])|[1-9])`,
- "DAY": `(?:Mon(?:day)?|Tue(?:sday)?|Wed(?:nesday)?|Thu(?:rsday)?|Fri(?:day)?|Sat(?:urday)?|Sun(?:day)?)`,
- "YEAR": `(\d\d){1,2}`,
- "HOUR": `(?:2[0123]|[01]?[0-9])`,
- "MINUTE": `(?:[0-5][0-9])`,
- "SECOND": `(?:(?:[0-5]?[0-9]|60)(?:[:.,][0-9]+)?)`,
- "TIME": `([^0-9]?)%{HOUR}:%{MINUTE}(?::%{SECOND})([^0-9]?)`,
- "DATE_US": `%{MONTHNUM}[/-]%{MONTHDAY}[/-]%{YEAR}`,
- "DATE_EU": `%{MONTHDAY}[./-]%{MONTHNUM}[./-]%{YEAR}`,
- "ISO8601_TIMEZONE": `(?:Z|[+-]%{HOUR}(?::?%{MINUTE}))`,
- "ISO8601_SECOND": `(?:%{SECOND}|60)`,
- "TIMESTAMP_ISO8601": `%{YEAR}-%{MONTHNUM}-%{MONTHDAY}[T ]%{HOUR}:?%{MINUTE}(?::?%{SECOND})?%{ISO8601_TIMEZONE}?`,
- "DATE": `%{DATE_US}|%{DATE_EU}`,
- "DATESTAMP": `%{DATE}[- ]%{TIME}`,
- "TZ": `(?:[PMCE][SD]T|UTC)`,
- "DATESTAMP_RFC822": `%{DAY} %{MONTH} %{MONTHDAY} %{YEAR} %{TIME} %{TZ}`,
- "DATESTAMP_RFC2822": `%{DAY}, %{MONTHDAY} %{MONTH} %{YEAR} %{TIME} %{ISO8601_TIMEZONE}`,
- "DATESTAMP_OTHER": `%{DAY} %{MONTH} %{MONTHDAY} %{TIME} %{TZ} %{YEAR}`,
- "DATESTAMP_EVENTLOG": `%{YEAR}%{MONTHNUM2}%{MONTHDAY}%{HOUR}%{MINUTE}%{SECOND}`,
- "HTTPDERROR_DATE": `%{DAY} %{MONTH} %{MONTHDAY} %{TIME} %{YEAR}`,
- "SYSLOGTIMESTAMP": `%{MONTH} +%{MONTHDAY} %{TIME}`,
- "PROG": `[\x21-\x5a\x5c\x5e-\x7e]+`,
- "SYSLOGPROG": `%{PROG:program}(?:\[%{POSINT:pid}\])?`,
- "SYSLOGHOST": `%{IPORHOST}`,
- "SYSLOGFACILITY": `<%{NONNEGINT:facility}.%{NONNEGINT:priority}>`,
- "HTTPDATE": `%{MONTHDAY}/%{MONTH}/%{YEAR}:%{TIME} %{INT}`,
- "QS": `%{QUOTEDSTRING}`,
- "SYSLOGBASE": `%{SYSLOGTIMESTAMP:timestamp} (?:%{SYSLOGFACILITY} )?%{SYSLOGHOST:logsource} %{SYSLOGPROG}:`,
- "COMMONAPACHELOG": `%{IPORHOST:clientip} %{HTTPDUSER:ident} %{USER:auth} \[%{HTTPDATE:timestamp}\] "(?:%{WORD:verb} %{NOTSPACE:request}(?: HTTP/%{NUMBER:httpversion})?|%{DATA:rawrequest})" %{NUMBER:response} (?:%{NUMBER:bytes}|-)`,
- "COMBINEDAPACHELOG": `%{COMMONAPACHELOG} %{QS:referrer} %{QS:agent}`,
- "HTTPD20_ERRORLOG": `\[%{HTTPDERROR_DATE:timestamp}\] \[%{LOGLEVEL:loglevel}\] (?:\[client %{IPORHOST:clientip}\] ){0,1}%{GREEDYDATA:errormsg}`,
- "HTTPD24_ERRORLOG": `\[%{HTTPDERROR_DATE:timestamp}\] \[%{WORD:module}:%{LOGLEVEL:loglevel}\] \[pid %{POSINT:pid}:tid %{NUMBER:tid}\]( \(%{POSINT:proxy_errorcode}\)%{DATA:proxy_errormessage}:)?( \[client %{IPORHOST:client}:%{POSINT:clientport}\])? %{DATA:errorcode}: %{GREEDYDATA:message}`,
- "HTTPD_ERRORLOG": `%{HTTPD20_ERRORLOG}|%{HTTPD24_ERRORLOG}`,
- "LOGLEVEL": `([Aa]lert|ALERT|[Tt]race|TRACE|[Dd]ebug|DEBUG|[Nn]otice|NOTICE|[Ii]nfo|INFO|[Ww]arn?(?:ing)?|WARN?(?:ING)?|[Ee]rr?(?:or)?|ERR?(?:OR)?|[Cc]rit?(?:ical)?|CRIT?(?:ICAL)?|[Ff]atal|FATAL|[Ss]evere|SEVERE|EMERG(?:ENCY)?|[Ee]merg(?:ency)?)`,
- }
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