上一篇完整介紹elk等的安裝步驟，下面介紹下它們的配置

我們做日志采集的時(shí)候一般步驟如：

日志龐大時(shí),filebeat和logstash或者logstash和es之間可以增加kafka或redis

首先來(lái)看下它們各自的日志中文解析：
我的版本5.6.16

filebeat.yml

###################### Filebeat Configuration Example ########################## This file is an example configuration file highlighting only the most common # options. The filebeat.full.yml file from the same directory contains all the # supported options with more comments. You can use it as a reference. # # You can find the full configuration reference here: # https://www.elastic.co/guide/en/beats/filebeat/index.html#=========================== Filebeat prospectors =============================filebeat.prospectors:# Each - is a prospector. Most options can be set at the prospector level, so # you can use different prospectors for various configurations. # Below are the prospector specific configurations. # 指定要監(jiān)控的日志，可以指定具體得文件或者目錄 - input_type: log #輸入filebeat的類型，包括log(具體路徑的日志)和stdin(鍵盤輸入)兩種。# Paths that should be crawled and fetched. Glob based paths.paths:- /var/log/nginx/* #（這是默認(rèn)的）（自行可以修改）#- c:\programdata\elasticsearch\logs\*type: "nginx"fields:logtype: nginx# Exclude lines. A list of regular expressions to match. It drops the lines that are# matching any regular expression from the list.#exclude_lines: ["^DBG"] #排除正則匹配的日志# Include lines. A list of regular expressions to match. It exports the lines that are# matching any regular expression from the list.#include_lines: ["^ERR", "^WARN"] #收集正則匹配的日志# Exclude files. A list of regular expressions to match. Filebeat drops the files that# are matching any regular expression from the list. By default, no files are dropped.#exclude_files: [".gz$"] #排除正則匹配的文件# Optional additional fields. These field can be freely picked# to add additional information to the crawled log files for filtering# 向輸出的每一條日志添加額外的信息，比如“l(fā)evel:debug”，方便后續(xù)對(duì)日志進(jìn)行分組統(tǒng)計(jì)。# 默認(rèn)情況下，會(huì)在輸出信息的fields子目錄下以指定的新增fields建立子目錄，例如fields.level# 這個(gè)得意思就是會(huì)在es中多添加一個(gè)字段，格式為 "filelds":{"level":"debug"}fields:level: debugreview: 1### Multiline options# Mutiline can be used for log messages spanning multiple lines. This is common# for Java Stack Traces or C-Line Continuation# The regexp Pattern that has to be matched. The example pattern matches all lines starting with [# 適用于日志中每一條日志占據(jù)多行的情況，比如各種語(yǔ)言的報(bào)錯(cuò)信息調(diào)用棧# 多行日志開始的那一行匹配的patternmultiline.pattern: ^\[# Defines if the pattern set under pattern should be negated or not. Default is false.# 是否需要對(duì)pattern條件轉(zhuǎn)置使用，不翻轉(zhuǎn)設(shè)為true，反轉(zhuǎn)設(shè)置為false。 【建議設(shè)置為true】multiline.negate: true# Match can be set to "after" or "before". It is used to define if lines should be append to a pattern# that was (not) matched before or after or as long as a pattern is not matched based on negate.# Note: After is the equivalent to previous and before is the equivalent to to next in Logstash# 匹配pattern后，與前面（before）還是后面（after）的內(nèi)容合并為一條日志multiline.match: after#================================ General =====================================# The name of the shipper that publishes the network data. It can be used to group # all the transactions sent by a single shipper in the web interface. name: first# The tags of the shipper are included in their own field with each # transaction published. tags: ["service-X", "web-tier"]# Optional fields that you can specify to add additional information to the # output. fields:env: staging#================================ Outputs =====================================# Configure what outputs to use when sending the data collected by the beat. # Multiple outputs may be used. #默認(rèn)的輸出到es，配置es的地址端口和ssl信息 #-------------------------- Elasticsearch output ------------------------------ #output.elasticsearch:# Array of hosts to connect to.#hosts: ["localhost:9200"]# Optional protocol and basic auth credentials.#protocol: "https"#username: "elastic"#password: "changeme" #默認(rèn)的輸出到logstash，配置logstash的地址端口和ssl信息 #----------------------------- Logstash output -------------------------------- output.logstash:# The Logstash hostshosts: ["localhost:5044"]# Optional SSL. By default is off.# List of root certificates for HTTPS server verifications#ssl.certificate_authorities: ["/etc/pki/root/ca.pem"]# Certificate for SSL client authentication#ssl.certificate: "/etc/pki/client/cert.pem"# Client Certificate Key#ssl.key: "/etc/pki/client/cert.key"#================================ Logging =====================================# Sets log level. The default log level is info. # Available log levels are: critical, error, warning, info, debug logging.level: debug# At debug level, you can selectively enable logging only for some components. # To enable all selectors use ["*"]. Examples of other selectors are "beat", # "publish", "service". #logging.selectors: ["*"]

logstash 要自己編寫配置文件可以覆蓋yml
logstash-sample.conf

# stdin{ # add_field => {"key" => "value"} #向事件添加一個(gè)字段 # codec => "plain" #默認(rèn)是line, 可通過這個(gè)參數(shù)設(shè)置編碼方式 # tags => ["std"] #添加標(biāo)記 # type => "std" #添加類型 # id => 1 #添加一個(gè)唯一的ID, 如果沒有指定ID, 那么將生成一個(gè)ID # enable_metric => true #是否開啟記錄日志, 默認(rèn)true # } # file{ # path => ["/var/log/nginx/access.log", "/var/log/nginx/error.log"] #處理的文件的路徑, 可以定義多個(gè)路徑 # exclude => "*.zip" #匹配排除 # sincedb_path => "/data/" #sincedb數(shù)據(jù)文件的路徑, 默認(rèn)<path.data>/plugins/inputs/file # codec => "plain" #默認(rèn)是plain,可通過這個(gè)參數(shù)設(shè)置編碼方式 # tags => ["nginx"] #添加標(biāo)記 # type => "nginx" #添加類型 # discover_interval => 2 #每隔多久去查一次文件, 默認(rèn)15s # stat_interval => 1 #每隔多久去查一次文件是否被修改過, 默認(rèn)1s # start_position => "beginning" #從什么位置開始讀取文件數(shù)據(jù), beginning和end, #默認(rèn)是結(jié)束位置end # } # tcp{ # port => 8888 #端口 # mode => "server" #操作模式, server:監(jiān)聽客戶端連接, client:連接到服務(wù)器 # host => "0.0.0.0" #當(dāng)mode為server, 指定監(jiān)聽地址, 當(dāng)mode為client, 指定連接地址, # 默認(rèn)0.0.0.0 # ssl_enable => false #是否啟用SSL, 默認(rèn)false # ssl_cert => "" #SSL證書路徑 # ssl_extra_chain_certs => [] #將額外的X509證書添加到證書鏈中 # ssl_key => "" #SSL密鑰路徑 # ssl_key_passphrase => "nil" #SSL密鑰密碼, 默認(rèn)nil # ssl_verify => true #核實(shí)與CA的SSL連接的另一端的身份 # tcp_keep_alive => false #TCP是否保持alives # } # udp{ # buffer_size => 65536 #從網(wǎng)絡(luò)讀取的最大數(shù)據(jù)包大小, 默認(rèn)65536 # host => 0.0.0.0 #監(jiān)聽地址 # port => 8888 #端口 # queue_size => 2000 #在內(nèi)存中保存未處理的UDP數(shù)據(jù)包的數(shù)量, 默認(rèn)2000 # workers => 2 #處理信息包的數(shù)量, 默認(rèn)2 #}input{stdin { }beats {port => "5044"codec => plain{charset => "GBK" #處理亂碼}} tcp{host => "localhost"mode => "server"port => 1337} http{host => "0.0.0.0"port => 80additional_codecs => {"application/json" => "json"}codec => "plain"threads => 4ssl => falsetype => "info"} } filter {if ([message]== ""){drop {}}} output{if [type] == "error" {elasticsearch {hosts => [ "127.0.0.1:9200"]index => "logstash-error" }} if [type] == "info" {elasticsearch {hosts => [ "127.0.0.1:9200"]index => "logstash-info" }} if [fields][logtype] == "nginx" {##按照type類型創(chuàng)建多個(gè)索引elasticsearch {hosts => ["127.0.0.1:9200"]index => "nginx_%{+YYYY.MM.dd}"}}stdout{codec => rubydebug } }

elasticsearch.yml

# ======================== Elasticsearch Configuration ========================= # # NOTE: Elasticsearch comes with reasonable defaults for most settings. # Before you set out to tweak and tune the configuration, make sure you # understand what are you trying to accomplish and the consequences. # # The primary way of configuring a node is via this file. This template lists # the most important settings you may want to configure for a production cluster. # # Please consult the documentation for further information on configuration options: # https://www.elastic.co/guide/en/elasticsearch/reference/index.html # # ---------------------------------- Cluster ----------------------------------- # # Use a descriptive name for your cluster: # cluster.name: my-application # # ------------------------------------ Node ------------------------------------ # # Use a descriptive name for the node: # node.name: node-1 # # Add custom attributes to the node: # #node.attr.rack: r1 # # ----------------------------------- Paths ------------------------------------ # # Path to directory where to store the data (separate multiple locations by comma): # #path.data: /path/to/data # # Path to log files: # #path.logs: /path/to/logs # # ----------------------------------- Memory ----------------------------------- # # Lock the memory on startup: # #bootstrap.memory_lock: true # # Make sure that the heap size is set to about half the memory available # on the system and that the owner of the process is allowed to use this # limit. # # Elasticsearch performs poorly when the system is swapping the memory. # # ---------------------------------- Network ----------------------------------- # # Set the bind address to a specific IP (IPv4 or IPv6): # network.host: 0.0.0.0 # # Set a custom port for HTTP: # http.port: 9200 # # For more information, consult the network module documentation. # # --------------------------------- Discovery ---------------------------------- # # Pass an initial list of hosts to perform discovery when new node is started: # The default list of hosts is ["127.0.0.1", "[::1]"] # #discovery.zen.ping.unicast.hosts: ["127.0.0.1"] # # Prevent the "split brain" by configuring the majority of nodes (total number of master-eligible nodes / 2 + 1): # #discovery.zen.minimum_master_nodes: 3 # # For more information, consult the zen discovery module documentation. # # ---------------------------------- Gateway ----------------------------------- # # Block initial recovery after a full cluster restart until N nodes are started: # #gateway.recover_after_nodes: 3 # # For more information, consult the gateway module documentation. # # ---------------------------------- Various ----------------------------------- # # Require explicit names when deleting indices: # #action.destructive_requires_name: true

kibana.yml

# Kibana is served by a back end server. This setting specifies the port to use. server.port: 5600# Specifies the address to which the Kibana server will bind. IP addresses and host names are both valid values. # The default is 'localhost', which usually means remote machines will not be able to connect. # To allow connections from remote users, set this parameter to a non-loopback address. server.host: "127.0.0.1"# Enables you to specify a path to mount Kibana at if you are running behind a proxy. This only affects # the URLs generated by Kibana, your proxy is expected to remove the basePath value before forwarding requests # to Kibana. This setting cannot end in a slash. #server.basePath: ""# The maximum payload size in bytes for incoming server requests. #server.maxPayloadBytes: 1048576# The Kibana server's name. This is used for display purposes. #server.name: "your-hostname"# The URL of the Elasticsearch instance to use for all your queries. elasticsearch.url: "http://127.0.0.1:9200"# When this setting's value is true Kibana uses the hostname specified in the server.host # setting. When the value of this setting is false, Kibana uses the hostname of the host # that connects to this Kibana instance. #elasticsearch.preserveHost: true# Kibana uses an index in Elasticsearch to store saved searches, visualizations and # dashboards. Kibana creates a new index if the index doesn't already exist. #kibana.index: ".kibana"# The default application to load. #kibana.defaultAppId: "discover"# If your Elasticsearch is protected with basic authentication, these settings provide # the username and password that the Kibana server uses to perform maintenance on the Kibana # index at startup. Your Kibana users still need to authenticate with Elasticsearch, which # is proxied through the Kibana server. #elasticsearch.username: "user" #elasticsearch.password: "pass"# Enables SSL and paths to the PEM-format SSL certificate and SSL key files, respectively. # These settings enable SSL for outgoing requests from the Kibana server to the browser. #server.ssl.enabled: false #server.ssl.certificate: /path/to/your/server.crt #server.ssl.key: /path/to/your/server.key# Optional settings that provide the paths to the PEM-format SSL certificate and key files. # These files validate that your Elasticsearch backend uses the same key files. #elasticsearch.ssl.certificate: /path/to/your/client.crt #elasticsearch.ssl.key: /path/to/your/client.key# Optional setting that enables you to specify a path to the PEM file for the certificate # authority for your Elasticsearch instance. #elasticsearch.ssl.certificateAuthorities: [ "/path/to/your/CA.pem" ]# To disregard the validity of SSL certificates, change this setting's value to 'none'. #elasticsearch.ssl.verificationMode: full# Time in milliseconds to wait for Elasticsearch to respond to pings. Defaults to the value of # the elasticsearch.requestTimeout setting. #elasticsearch.pingTimeout: 1500# Time in milliseconds to wait for responses from the back end or Elasticsearch. This value # must be a positive integer. #elasticsearch.requestTimeout: 30000# List of Kibana client-side headers to send to Elasticsearch. To send *no* client-side # headers, set this value to [] (an empty list). #elasticsearch.requestHeadersWhitelist: [ authorization ]# Header names and values that are sent to Elasticsearch. Any custom headers cannot be overwritten # by client-side headers, regardless of the elasticsearch.requestHeadersWhitelist configuration. #elasticsearch.customHeaders: {}# Time in milliseconds for Elasticsearch to wait for responses from shards. Set to 0 to disable. #elasticsearch.shardTimeout: 0# Time in milliseconds to wait for Elasticsearch at Kibana startup before retrying. #elasticsearch.startupTimeout: 5000# Specifies the path where Kibana creates the process ID file. #pid.file: /var/run/kibana.pid# Enables you specify a file where Kibana stores log output. #logging.dest: stdout# Set the value of this setting to true to suppress all logging output. #logging.silent: false# Set the value of this setting to true to suppress all logging output other than error messages. #logging.quiet: false# Set the value of this setting to true to log all events, including system usage information # and all requests. #logging.verbose: false# Set the interval in milliseconds to sample system and process performance # metrics. Minimum is 100ms. Defaults to 5000. #ops.interval: 5000# The default locale. This locale can be used in certain circumstances to substitute any missing # translations. #i18n.defaultLocale: "en"

上面只是一些配置文件的梳理，實(shí)際上我們要啟動(dòng)這些 并不需要所有的配置

elasticsearch.yml

$vim /etc/elasticsearch/elasticsearch.ymlpath.data: /data/elasticsearch #日志存儲(chǔ)目錄 path.logs: /data/elasticsearch/log #elasticsearch啟動(dòng)日志路徑 network.host: elk1 #這里是主機(jī)IP,我寫了hosts node.name: "node-2" #節(jié)點(diǎn)名字,不同節(jié)點(diǎn)名字要改為不一樣 http.port: 9200 #api接口url node.master: true #主節(jié)點(diǎn) node.data: true #是否存儲(chǔ)數(shù)據(jù)#手動(dòng)發(fā)現(xiàn)節(jié)點(diǎn),多個(gè)節(jié)點(diǎn)配置 #discovery.zen.ping.unicast.hosts: [elk1, elk2]

kibana.yml

vim /opt/kibana/config/kibana.ymlserver.port: 5601 #server.host: "localhost" server.host: "0.0.0.0" elasticsearch.url: "http://elk1:9200"

logstash-sample.conf

input{beats {port => "5044"codec => plain{charset => "GBK" #處理亂碼}}filter {} output{if [type] == "error" {elasticsearch {hosts => [ "127.0.0.1:9200"]index => "logstash-error" }} if [type] == "info" {elasticsearch {hosts => [ "127.0.0.1:9200"]index => "logstash-info" }}stdout{codec => rubydebug } }

filebeat自帶了很多moudle,mysql,apache,nginx等，在filebeat.full.yml中。

filebeat.yml

filebeat.prospectors: # 指定要監(jiān)控的日志，可以指定具體得文件或者目錄 - input_type: log #輸入filebeat的類型，包括log(具體路徑的日志)和stdin(鍵盤輸入)兩種。paths:- /var/log/* #（這是默認(rèn)的）（自行可以修改）type: "info"fields:logtype: infomultiline.pattern: ^\[multiline.negate: truemultiline.match: after output.logstash:hosts: ["localhost:5044"]

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