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|รค)?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)?)`, }