Logstash » История » Версия 7
Константин Пильник, 2022-11-29 18:36
| 1 | 1 | Константин Пильник | h1. Logstash |
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| 2 | |||
| 3 | h2. разбираем лог syslog |
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| 4 | |||
| 5 | 5 | Константин Пильник | h4. rsyslog |
| 6 | |||
| 7 | <pre><code class="bash"> |
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| 8 | ~# cat /etc/rsyslog.d/remote.conf |
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| 9 | # udp |
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| 10 | *.* @127.0.0.1:500 |
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| 11 | 6 | Константин Пильник | # tcp |
| 12 | #*.* @@127.0.0.1:500 |
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| 13 | 5 | Константин Пильник | </code></pre> |
| 14 | |||
| 15 | 1 | Константин Пильник | {{collapse(logstash.conf) |
| 16 | 4 | Константин Пильник | <pre><code class="php"> |
| 17 | 1 | Константин Пильник | input { |
| 18 | file { |
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| 19 | type => "message" |
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| 20 | path => [ "/var/log/messages" ] |
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| 21 | start_position => "end" |
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| 22 | stat_interval => 1 |
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| 23 | discover_interval => 3 |
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| 24 | } |
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| 25 | 5 | Константин Пильник | # production |
| 26 | # udp { |
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| 27 | # port => 500 |
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| 28 | # type => syslog |
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| 29 | # } |
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| 30 | 1 | Константин Пильник | } |
| 31 | |||
| 32 | filter { |
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| 33 | if [type] == "message" { |
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| 34 | grok { |
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| 35 | match => { "message" => "%{SYSLOGTIMESTAMP:syslog_timestamp} %{SYSLOGHOST:syslog_hostname} %{DATA:syslog_program}(?:\[%{POSINT:syslog_pid}\])?:\s+%{GREEDYDATA:syslog_message}" } |
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| 36 | } |
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| 37 | date { |
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| 38 | match => [ "syslog_timestamp", "MMM d HH:mm:ss", "MMM dd HH:mm:ss" ] |
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| 39 | } |
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| 40 | } |
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| 41 | } |
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| 42 | |||
| 43 | output { |
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| 44 | stdout {} |
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| 45 | 5 | Константин Пильник | # production |
| 46 | # elasticsearch { |
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| 47 | # hosts => ["elasticsearch:9200"] |
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| 48 | # index => "%{[type]}-%{+YYYY.MM.dd}" |
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| 49 | # user => "${ELASTIC_USERNAME}" |
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| 50 | # password => "${ELASTIC_PASSWORD}" |
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| 51 | # } |
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| 52 | 1 | Константин Пильник | } |
| 53 | 3 | Константин Пильник | </code></pre> |
| 54 | 1 | Константин Пильник | }} |
| 55 | 7 | Константин Пильник | https://www.elastic.co/guide/en/logstash/current/plugins-inputs-syslog.html |
| 56 | 1 | Константин Пильник | |
| 57 | h2. разбираем лог nginx из файловой системы |
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| 58 | |||
| 59 | {{collapse(nginx.conf) |
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| 60 | <pre> |
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| 61 | log_format json_combined escape=json |
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| 62 | '{' |
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| 63 | '"time_local":"$time_local",' |
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| 64 | '"remote_addr":"$remote_addr",' |
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| 65 | '"remote_user":"$remote_user",' |
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| 66 | '"request":"$request",' |
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| 67 | '"status": "$status",' |
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| 68 | '"body_bytes_sent":"$body_bytes_sent",' |
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| 69 | '"request_time":"$request_time",' |
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| 70 | '"http_referrer":"$http_referer",' |
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| 71 | '"http_user_agent":"$http_user_agent"' |
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| 72 | '}'; |
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| 73 | access_log /var/log/nginx/access.log json_combined; |
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| 74 | </pre> |
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| 75 | }} |
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| 76 | {{collapse(logstash.conf) |
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| 77 | 4 | Константин Пильник | <pre><code class="php"> |
| 78 | 1 | Константин Пильник | input { |
| 79 | file { |
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| 80 | type => "nginx" |
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| 81 | path => [ "/var/log/nginx/access.log" ] |
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| 82 | start_position => "end" |
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| 83 | } |
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| 84 | } |
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| 85 | |||
| 86 | filter { |
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| 87 | if [type] == "nginx" { |
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| 88 | json { |
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| 89 | source => "message" |
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| 90 | } |
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| 91 | } |
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| 92 | } |
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| 93 | |||
| 94 | output { |
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| 95 | stdout {} |
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| 96 | } |
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| 97 | </code></pre> |
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| 98 | }} |
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| 99 | |||
| 100 | h2. разбираем лог nginx из syslog |
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| 101 | |||
| 102 | {{collapse(nginx.conf) |
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| 103 | <pre> |
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| 104 | log_format json_combined escape=json |
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| 105 | '{' |
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| 106 | '"time_local":"$time_local",' |
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| 107 | '"remote_addr":"$remote_addr",' |
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| 108 | '"remote_user":"$remote_user",' |
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| 109 | '"request":"$request",' |
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| 110 | '"status": "$status",' |
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| 111 | '"body_bytes_sent":"$body_bytes_sent",' |
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| 112 | '"request_time":"$request_time",' |
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| 113 | '"http_referrer":"$http_referer",' |
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| 114 | '"http_user_agent":"$http_user_agent"' |
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| 115 | '}'; |
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| 116 | access_log syslog:server=unix:/dev/log,tag=nginx,severity=error,nohostname json_combined; |
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| 117 | </pre> |
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| 118 | }} |
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| 119 | {{collapse(logstash.conf) |
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| 120 | 4 | Константин Пильник | <pre><code class="php"> |
| 121 | 1 | Константин Пильник | input { |
| 122 | file { |
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| 123 | type => "syslog" |
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| 124 | path => [ "/var/log/syslog" ] |
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| 125 | start_position => "end" |
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| 126 | } |
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| 127 | } |
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| 128 | |||
| 129 | filter { |
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| 130 | if [type] == "syslog" { |
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| 131 | grok { |
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| 132 | match => { "message" => "%{SYSLOGTIMESTAMP:syslog_timestamp} %{SYSLOGHOST:syslog_hostname} %{DATA:syslog_program}(?:\[%{POSINT:syslog_pid}\])?:\s+%{GREEDYDATA:syslog_message}" } |
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| 133 | } |
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| 134 | json { |
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| 135 | source => "[syslog_message]" |
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| 136 | target => "[nginx_message]" |
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| 137 | } |
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| 138 | } |
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| 139 | } |
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| 140 | |||
| 141 | output { |
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| 142 | stdout {} |
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| 143 | } |
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| 144 | 3 | Константин Пильник | </code></pre> |
| 145 | 1 | Константин Пильник | }} |
| 146 | |||
| 147 | |||
| 148 | 2 | Константин Пильник | h3. ссылки |
| 149 | |||
| 150 | 1 | Константин Пильник | https://www.elastic.co/guide/en/logstash/current/input-plugins.html |
| 151 | https://www.elastic.co/guide/en/logstash/current/filter-plugins.html |
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| 152 | https://www.elastic.co/guide/en/logstash/current/output-plugins.html |