elk + filebeat，6.3.2版本簡單搭建，實現我們自己的集中式日誌系統

前言剛從事開發那段時間不習慣輸出日誌，認為那是無用功，徒增代碼量，總認為自己的代碼無懈可擊；老大的叮囑、強調也都視為耳旁風，最終導致的結果是我加班排查問題，花的時間還挺長的，要復現問題、排查問題等，幸虧那是公司內部員工用的系統，時間長一點也沒什麼大問題，但是如果是針對客戶的，時間就代表很多東西了， ...

前言

　　剛從事開發那段時間不習慣輸出日誌，認為那是無用功，徒增代碼量，總認為自己的代碼無懈可擊；老大的叮囑、強調也都視為耳旁風，最終導致的結果是我加班排查問題，花的時間還挺長的，要復現問題、排查問題等，幸虧那是公司內部員工用的系統，時間長一點也沒什麼大問題，但是如果是針對客戶的，時間就代表很多東西了，那造成的影響就非常大了。自那以後養成了輸出日誌的習慣。

　　但是後來發現，僅僅只是輸出日誌文件，對於排查問題來說，還是很費時，因為要在一個龐大的日誌文件中過濾出我們需要的信息也十分耗時；那麼此時基於日誌文件的日誌系統就被需要了。

　　至於需不需要搭建日誌系統、以及搭建一個怎樣的日誌系統，需要根據我們的業務實際情況而定，例如公司內部員工用的一個不重要的系統，那麼日誌文件可能就夠了；而對於針對客戶的、直接與公司利益掛鉤的，我認為不僅要搭建日誌系統，更要輸出更詳細的日誌信息到日誌文件，提供運維的效率。

　　elk + filebeat 各個組件的功能

　　　　Elasticsearch：分散式搜索和分析引擎，具有高可伸縮、高可靠和易管理等特點。基於 Apache Lucene 構建，能對大容量的數據進行接近實時的存儲、搜索和分析操作。通常被用作某些應用的基礎搜索引擎，使其具有複雜的搜索功能；
　　　　Logstash：數據收集引擎。它支持動態的從各種數據源搜集數據，並對數據進行過濾、分析、豐富、統一格式等操作，然後存儲到用戶指定的位置；
　　　　Kibana：數據分析和可視化平臺。通常與 Elasticsearch 配合使用，對其中數據進行搜索、分析和以統計圖表的方式展示；
　　　　Filebeat：一個輕量級開源日誌文件數據搜集器，基於 Logstash-Forwarder 源代碼開發，是對它的替代。在需要採集日誌數據的 server 上安裝 Filebeat，並指定日誌目錄或日誌文件後，Filebeat 就能讀取數據，迅速發送到 Logstash 進行解析，亦或直接發送到 Elasticsearch 進行集中式存儲和分析；

　　本文不會對各個組件做詳細的介紹與使用說明，如果想對各個組件有更詳細的瞭解，那麼需要大伙自行去學習，官網的資料就很不錯。

環境準備

　　192.168.1.110：logstash + java

　　192.168.1.111：filebeat + redis + mysql + jdk + tomcat8

　　192.168.1.112：kibana

　　192.168.1.113：elasticsearch + java

日誌系統搭建

　　相關安裝包大家自行準備，去官網下載即可；elk+filebeat我用的都是6.3.2版本，jdk用的1.8版本，mysql是5.7，tomcat是8.5.30

　　Elasticsearch

　　　　依賴jdk，jdk的搭建可參考我的另一篇博客：virtualBox安裝centos，並搭建tomcat

　　　　[root@cent0s7-03 opt]# tar -zxvf elasticsearch-6.3.2.tar.gz

　　[root@cent0s7-03 opt]# cd elasticsearch-6.3.2

　　　　修改配置，支持遠程訪問：

　　　　　　修改elasticsearch的home目錄/config/elasticsearch.yml，打開配置項network.host:，並將其值設置成0.0.0.0；

　　　　　　但是需要增加系統配置來支持：

　　　　　　　　[root@cent0s7-03 bin]# vi /etc/security/limits.conf

　　　　　　　　新增如下配置　　　　　　　　

* soft nofile 65536
* hard nofile 131072
* soft nproc 2048
* hard nproc 4096

　　　　　　　　[root@cent0s7-03 bin]# vi /etc/sysctl.conf

　　　　　　　　新增如下配置

vm.max_map_count=262144

　　　　　　　　[root@cent0s7-03 bin]# sysctl -p

　　　　啟動elasticsearch

　　　　　　[root@cent0s7-03 bin]# ./elasticsearch

　　　　　　發現報錯，如下

[2018-08-19T10:26:33,685][WARN ][o.e.b.ElasticsearchUncaughtExceptionHandler] [] uncaught exception in thread [main]
org.elasticsearch.bootstrap.StartupException: java.lang.RuntimeException: can not run elasticsearch as root
    at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:140) ~[elasticsearch-6.3.2.jar:6.3.2]
    at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:127) ~[elasticsearch-6.3.2.jar:6.3.2]
    at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-6.3.2.jar:6.3.2]
    at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) ~[elasticsearch-cli-6.3.2.jar:6.3.2]
    at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-6.3.2.jar:6.3.2]
    at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:93) ~[elasticsearch-6.3.2.jar:6.3.2]
    at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:86) ~[elasticsearch-6.3.2.jar:6.3.2]
Caused by: java.lang.RuntimeException: can not run elasticsearch as root
    at org.elasticsearch.bootstrap.Bootstrap.initializeNatives(Bootstrap.java:104) ~[elasticsearch-6.3.2.jar:6.3.2]
    at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:171) ~[elasticsearch-6.3.2.jar:6.3.2]
    at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:326) ~[elasticsearch-6.3.2.jar:6.3.2]
    at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:136) ~[elasticsearch-6.3.2.jar:6.3.2]
    ... 6 more

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　　　　　　這是出於系統安全考慮設置的條件。由於ElasticSearch可以接收用戶輸入的腳本並且執行，為了系統安全考慮，建議創建一個單獨的用戶用來運行ElasticSearch。　

　　　　[root@cent0s7-03 bin]# groupadd elk

　　　　[root@cent0s7-03 bin]# useradd elsearch -g elk

　　　　[root@cent0s7-03 bin]# cd /opt

　　　　[root@cent0s7-03 opt]# chown -R elsearch:elk elasticsearch-6.3.2

　　　　[root@cent0s7-03 opt]# su elsearch

　　　　[elsearch@cent0s7-03 opt]$ cd elasticsearch-6.3.2/bin

　　　　[elsearch@cent0s7-03 bin]$ ./elasticsearch (加-d，則表示後端運行)

　　　　訪問：http://192.168.1.113:9200，出現如下信息

{
  "name" : "8dBt-dz",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "gGH8gMvjTm62yyjob3aeZA",
  "version" : {
    "number" : "6.3.2",
    "build_flavor" : "default",
    "build_type" : "tar",
    "build_hash" : "053779d",
    "build_date" : "2018-07-20T05:20:23.451332Z",
    "build_snapshot" : false,
    "lucene_version" : "7.3.1",
    "minimum_wire_compatibility_version" : "5.6.0",
    "minimum_index_compatibility_version" : "5.0.0"
  },
  "tagline" : "You Know, for Search"
}

　　　　表示單節點的elasticsearch搭建起來了

　　Kibana　　

　　　　[root@centos7-02 opt]# tar -zxvf kibana-6.3.2-linux-x86_64.tar.gz

　　　　[root@centos7-02 opt]# mv kibana-6.3.2-linux-x86_64 kibana6.3.2

　　　　修改配置文件：kibana.yml

　　　　　　[root@centos7-02 opt]# vi kibana6.3.2/config/kibana.yml

　　　　主要改改兩項：

server.host: "0.0.0.0"
elasticsearch.url: "http://192.168.1.113:9200"

　　　　　　支援遠程訪問和從elasticsearch獲取數據

　　　　[root@centos7-02 opt]# ./kibana6.3.2/bin/kibana

　　　　啟動日誌如下

  log   [11:09:00.993] [info][status][plugin:[email protected]] Status changed from uninitialized to green - Ready
  log   [11:09:01.032] [info][status][plugin:[email protected]] Status changed from uninitialized to yellow - Waiting for Elasticsearch
  log   [11:09:01.034] [info][status][plugin:[email protected]] Status changed from uninitialized to yellow - Waiting for Elasticsearch
  log   [11:09:01.042] [info][status][plugin:[email protected]] Status changed from uninitialized to yellow - Waiting for Elasticsearch
  log   [11:09:01.045] [info][status][plugin:[email protected]] Status changed from uninitialized to yellow - Waiting for Elasticsearch
  log   [11:09:01.106] [info][status][plugin:[email protected]] Status changed from uninitialized to yellow - Waiting for Elasticsearch
  log   [11:09:01.107] [info][status][plugin:[email protected]] Status changed from uninitialized to yellow - Waiting for Elasticsearch
  log   [11:09:01.123] [info][status][plugin:[email protected]] Status changed from uninitialized to green - Ready
  log   [11:09:01.125] [info][status][plugin:[email protected]] Status changed from uninitialized to yellow - Waiting for Elasticsearch
  log   [11:09:01.243] [info][status][plugin:[email protected]] Status changed from uninitialized to green - Ready
  log   [11:09:01.245] [info][status][plugin:[email protected]] Status changed from uninitialized to yellow - Waiting for Elasticsearch
  log   [11:09:01.248] [info][status][plugin:[email protected]] Status changed from uninitialized to green - Ready
  log   [11:09:01.250] [info][status][plugin:[email protected]] Status changed from uninitialized to yellow - Waiting for Elasticsearch
  log   [11:09:01.251] [warning][security] Generating a random key for xpack.security.encryptionKey. To prevent sessions from being invalidated on restart, please set xpack.security.encryptionKey in kibana.yml
  log   [11:09:01.255] [warning][security] Session cookies will be transmitted over insecure connections. This is not recommended.
  log   [11:09:01.280] [info][status][plugin:[email protected]] Status changed from uninitialized to yellow - Waiting for Elasticsearch
  log   [11:09:01.300] [info][status][plugin:[email protected]] Status changed from uninitialized to green - Ready
  log   [11:09:01.304] [info][status][plugin:[email protected]] Status changed from uninitialized to yellow - Waiting for Elasticsearch
  log   [11:09:01.326] [info][status][plugin:[email protected]] Status changed from uninitialized to green - Ready
  log   [11:09:01.330] [info][status][plugin:[email protected]] Status changed from uninitialized to green - Ready
  log   [11:09:01.332] [info][status][plugin:[email protected]] Status changed from uninitialized to green - Ready
  log   [11:09:01.334] [info][status][plugin:[email protected]] Status changed from uninitialized to green - Ready
  log   [11:09:01.644] [warning][reporting] Generating a random key for xpack.reporting.encryptionKey. To prevent pending reports from failing on restart, please set xpack.reporting.encryptionKey in kibana.yml
  log   [11:09:01.651] [info][status][plugin:[email protected]] Status changed from uninitialized to yellow - Waiting for Elasticsearch
  log   [11:09:01.697] [info][listening] Server running at http://0.0.0.0:5601
  log   [11:09:01.819] [info][status][plugin:[email protected]] Status changed from yellow to green - Ready
  log   [11:09:01.852] [info][license][xpack] Imported license information from Elasticsearch for the [data] cluster: mode: basic | status: active
  log   [11:09:01.893] [info][status][plugin:[email protected]] Status changed from yellow to green - Ready
  log   [11:09:01.893] [info][status][plugin:[email protected]] Status changed from yellow to green - Ready
  log   [11:09:01.894] [info][status][plugin:[email protected]] Status changed from yellow to green - Ready
  log   [11:09:01.894] [info][status][plugin:[email protected]] Status changed from yellow to green - Ready
  log   [11:09:01.895] [info][status][plugin:[email protected]] Status changed from yellow to green - Ready
  log   [11:09:01.895] [info][status][plugin:[email protected]] Status changed from yellow to green - Ready
  log   [11:09:01.895] [info][status][plugin:[email protected]] Status changed from yellow to green - Ready
  log   [11:09:01.896] [info][status][plugin:[email protected]] Status changed from yellow to green - Ready
  log   [11:09:01.897] [info][status][plugin:[email protected]] Status changed from yellow to green - Ready
  log   [11:09:01.897] [info][status][plugin:[email protected]] Status changed from yellow to green - Ready
  log   [11:09:01.898] [info][status][plugin:[email protected]] Status changed from yellow to green - Ready
  log   [11:09:01.916] [info][kibana-monitoring][monitoring-ui] Starting all Kibana monitoring collectors
  log   [11:09:01.926] [info][license][xpack] Imported license information from Elasticsearch for the [monitoring] cluster: mode: basic | status: active

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　　　　　　幾個警告不影響功能，不出現error就可以正常服務。

　　　　訪問：http://192.168.1.112:5601，出現下圖

　　Logstash

　　　　依賴jdk，jdk的搭建可參考我的另一篇博客：virtualBox安裝centos，並搭建tomcat

　　　　[root@centos7-01 opt]# tar -zxvf logstash-6.3.2.tar.gz

　　　　新增配置文件：first-pipeline.conf

　　　　[root@centos7-01 opt]# vi logstash-6.3.2/config/first-pipeline.conf

input {
    stdin {}
    beats {
        port => 5044
    }
}
output {
    elasticsearch {
        hosts => ["192.168.1.113:9200"]
    }
    stdout {
        codec => rubydebug
    }
}

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　　　　　　監聽5044埠，filebeat會從此埠向logstash寫入數據；logstash處理數據之後（filter，實例中沒有展示）再輸出到elasticsearch

　　　　[root@centos7-01 opt]# ./logstash-6.3.2/bin/logstash -f /opt/logstash-6.3.2/config/first-pipeline.conf

　　　　　　啟動日誌如下

Sending Logstash's logs to /opt/logstash-6.3.2/logs which is now configured via log4j2.properties
[2018-09-03T20:59:05,050][WARN ][logstash.config.source.multilocal] Ignoring the 'pipelines.yml' file because modules or command line options are specified
[2018-09-03T20:59:06,072][INFO ][logstash.runner          ] Starting Logstash {"logstash.version"=>"6.3.2"}
[2018-09-03T20:59:11,487][INFO ][logstash.pipeline        ] Starting pipeline {:pipeline_id=>"main", "pipeline.workers"=>1, "pipeline.batch.size"=>125, "pipeline.batch.delay"=>50}
[2018-09-03T20:59:12,222][INFO ][logstash.outputs.elasticsearch] Elasticsearch pool URLs updated {:changes=>{:removed=>[], :added=>[http://192.168.1.113:9200/]}}
[2018-09-03T20:59:12,230][INFO ][logstash.outputs.elasticsearch] Running health check to see if an Elasticsearch connection is working {:healthcheck_url=>http://192.168.1.113:9200/, :path=>"/"}
[2018-09-03T20:59:12,574][WARN ][logstash.outputs.elasticsearch] Restored connection to ES instance {:url=>"http://192.168.1.113:9200/"}
[2018-09-03T20:59:12,669][INFO ][logstash.outputs.elasticsearch] ES Output version determined {:es_version=>6}
[2018-09-03T20:59:12,672][WARN ][logstash.outputs.elasticsearch] Detected a 6.x and above cluster: the `type` event field won't be used to determine the document _type {:es_version=>6}
[2018-09-03T20:59:12,775][INFO ][logstash.outputs.elasticsearch] New Elasticsearch output {:class=>"LogStash::Outputs::ElasticSearch", :hosts=>["//192.168.1.113:9200"]}
[2018-09-03T20:59:12,810][INFO ][logstash.outputs.elasticsearch] Using mapping template from {:path=>nil}
[2018-09-03T20:59:12,862][INFO ][logstash.outputs.elasticsearch] Attempting to install template {:manage_template=>{"template"=>"logstash-*", "version"=>60001, "settings"=>{"index.refresh_interval"=>"5s"}, "mappings"=>{"_default_"=>{"dynamic_templates"=>[{"message_field"=>{"path_match"=>"message", "match_mapping_type"=>"string", "mapping"=>{"type"=>"text", "norms"=>false}}}, {"string_fields"=>{"match"=>"*", "match_mapping_type"=>"string", "mapping"=>{"type"=>"text", "norms"=>false, "fields"=>{"keyword"=>{"type"=>"keyword", "ignore_above"=>256}}}}}], "properties"=>{"@timestamp"=>{"type"=>"date"}, "@version"=>{"type"=>"keyword"}, "geoip"=>{"dynamic"=>true, "properties"=>{"ip"=>{"type"=>"ip"}, "location"=>{"type"=>"geo_point"}, "latitude"=>{"type"=>"half_float"}, "longitude"=>{"type"=>"half_float"}}}}}}}}
[2018-09-03T20:59:13,758][INFO ][logstash.inputs.beats    ] Beats inputs: Starting input listener {:address=>"0.0.0.0:5044"}
The stdin plugin is now waiting for input:
[2018-09-03T20:59:13,852][INFO ][logstash.pipeline        ] Pipeline started successfully {:pipeline_id=>"main", :thread=>"#<Thread:0x2ff95604 run>"}
[2018-09-03T20:59:13,958][INFO ][logstash.agent           ] Pipelines running {:count=>1, :running_pipelines=>[:main], :non_running_pipelines=>[]}
[2018-09-03T20:59:14,066][INFO ][org.logstash.beats.Server] Starting server on port: 5044
[2018-09-03T20:59:14,562][INFO ][logstash.agent           ] Successfully started Logstash API endpoint {:port=>9600}

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　　Filebeat　　

　　　　[root@centos7 opt]# tar -zxvf filebeat-6.3.2-linux-x86_64.tar.gz

　　[root@centos7 opt]# mv filebeat-6.3.2-linux-x86_64 filebeat6.3.2

　　　　配置filebeat .yml

　　　　　　[root@centos7 opt]# vi filebeat6.3.2/filebeat.yml

　　　　　　配置之後，內容如下

###################### Filebeat Configuration Example #########################

# This file is an example configuration file highlighting only the most common
# options. The filebeat.reference.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

# For more available modules and options, please see the filebeat.reference.yml sample
# configuration file.

#=========================== Filebeat inputs =============================

filebeat.inputs:

# Each - is an input. Most options can be set at the input level, so
# you can use different inputs for various configurations.
# Below are the input specific configurations.

- type: log

  # Change to true to enable this input configuration.
  enabled: true

  # Paths that should be crawled and fetched. Glob based paths.
  paths:
    - /log/*.log
    #- c:\programdata\elasticsearch\logs\*

  # 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']

  # 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']

  # 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$']

  # Optional additional fields. These fields can be freely picked
  # to add additional information to the crawled log files for filtering
  #fields:
  #  level: debug
  #  review: 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 [
  #multiline.pattern: ^\[

  # Defines if the pattern set under pattern should be negated or not. Default is false.
  #multiline.negate: false

  # 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
  #multiline.match: after


#============================= Filebeat modules ===============================

filebeat.config.modules:
  # Glob pattern for configuration loading
  path: ${path.config}/modules.d/*.yml

  # Set to true to enable config reloading
  reload.enabled: false

  # Period on which files under path should be checked for changes
  #reload.period: 10s

#==================== Elasticsearch template setting ==========================

# setup.template.settings:
  # index.number_of_shards: 3
  #index.codec: best_compression
  #_source.enabled: false

#================================ 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:

# 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


#============================== Dashboards =====================================
# These settings control loading the sample dashboards to the Kibana index. Loading
# the dashboards is disabled by default and can be enabled either by setting the
# options here, or by using the `-setup` CLI flag or the `setup` command.
#setup.dashboards.enabled: false

# The URL from where to download the dashboards archive. By default this URL
# has a value which is computed based on the Beat name and version. For released
# versions, this URL points to the dashboard archive on the artifacts.elastic.co
# website.
#setup.dashboards.url:

#============================== Kibana =====================================

# Starting with Beats version 6.0.0, the dashboards are loaded via the Kibana API.
# This requires a Kibana endpoint configuration.
# setup.kibana:

  # Kibana Host
  # Scheme and port can be left out and will be set to the default (http and 5601)
  # In case you specify and additional path, the scheme is required: http://localhost:5601/path
  # IPv6 addresses should always be defined as: https://[2001:db8::1]:5601
  #host: "localhost:5601"

#============================= Elastic Cloud ==================================

# These settings simplify using filebeat with the Elastic Cloud (https://cloud.elastic.co/).

# The cloud.id setting overwrites the `output.elasticsearch.hosts` and
# `setup.kibana.host` options.
# You can find the `cloud.id` in the Elastic Cloud web UI.
#cloud.id:

# The cloud.auth setting overwrites the `output.elasticsearch.username` and
# `output.elasticsearch.password` settings. The format is `<user>:<pass>`.
#cloud.auth:

#================================ Outputs =====================================

# Configure what output to use when sending the data collected by the beat.

#-------------------------- 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"

#----------------------------- Logstash output --------------------------------
output.logstash:
  # The Logstash hosts
  hosts: ["192.168.1.110:5044"]

  # 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: error, warning, info, debug
logging.level: info

# 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: ["*"]

#============================== Xpack Monitoring ===============================
# filebeat can export internal metrics to a central Elasticsearch monitoring
# cluster.  This requires xpack monitoring to be enabled in Elasticsearch.  The
# reporting is disabled by default.

# Set to true to enable the monitoring reporter.
#xpack.monitoring.enabled: false

# Uncomment to send the metrics to Elasticsearch. Most settings from the
# Elasticsearch output are accepted here as well. Any setting that is not set is
# automatically inherited from the Elasticsearch output configuration, so if you
# have the Elasticsearch output configured, you can simply uncomment the
# following line.
#xpack.monitoring.elasticsearch:

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　　　　　　主要是配置filebeat.inputs，採集哪些日誌；關閉output.elasticsearch，打開output.logstash，將收集到的信息推送到logstash。

　　　　[root@centos7 opt]# ./filebeat6.3.2/filebeat -e -c ./filebeat6.3.2/filebeat.yml

　　　　　　啟動日誌如下

2018-09-03T21:10:38.748+0800    INFO    instance/beat.go:492    Home path: [/opt/filebeat6.3.2] Config path: [/opt/filebeat6.3.2] Data path: [/opt/filebeat6.3.2/data] Logs path: [/opt/filebeat6.3.2/logs]
2018-09-03T21:10:38.780+0800    INFO    instance/beat.go:499    Beat UUID: 07d523d5-68ef-4470-a99d-5476bbc8535d
2018-09-03T21:10:38.780+0800    INFO    [beat]    instance/beat.go:716    Beat info    {"system_info": {"beat": {"path": {"config": "/opt/filebeat6.3.2", "data": "/opt/filebeat6.3.2/data", "home": "/opt/filebeat6.3.2", "logs": "/opt/filebeat6.3.2/logs"}, "type": "filebeat", "uuid": "07d523d5-68ef-4470-a99d-5476bbc8535d"}}}
2018-09-03T21:10:38.781+0800    INFO    [beat]    instance/beat.go:725    Build info    {"system_info": {"build": {"commit": "45a9a9e1561b6c540e94211ebe03d18abcacae55", "libbeat": "6.3.2", "time": "2018-07-20T04:18:19.000Z", "version": "6.3.2"}}}
2018-09-03T21:10:38.781+0800    INFO    [beat]    instance/beat.go:728    Go runtime info    {"system_info": {"go": {"os":"linux","arch":"amd64","max_procs":1,"version":"go1.9.4"}}}
2018-09-03T21:10:38.800+0800    INFO    [beat]    instance/beat.go:732    Host info    {"system_info": {"host": {"architecture":"x86_64","boot_time":"2018-09-03T15:40:54+08:00","containerized":true,"hostname":"centos7","ips":["127.0.0.1/8","::1/128","192.168.1.111/24","fe80::3928:4541:b030:bea4/64"],"kernel_version":"3.10.0-862.el7.x86_64","mac_addresses":["08:00:27:e9:d7:da"],"os":{"family":"redhat","platform":"centos","name":"CentOS Linux","version":"7 (Core)","major":7,"minor":5,"patch":1804,"codename":"Core"},"timezone":"CST","timezone_offset_sec":28800,"id":"acc3d28b9c824b55b6cdd5c8c2a46705"}}}
2018-09-03T21:10:38.803+0800    INFO    [beat]    instance/beat.go:761    Process info    {"system_info": {"process": {"capabilities": {"inheritable":null,"permitted":["chown","dac_override","dac_read_search","fowner","fsetid","kill","setgid","setuid","setpcap","linux_immutable","net_bind_service","net_broadcast","net_admin","net_raw","ipc_lock","ipc_owner","sys_module","sys_rawio","sys_chroot","sys_ptrace","sys_pacct","sys_admin","sys_boot","sys_nice","sys_resource","sys_time","sys_tty_config","mknod","lease","audit_write","audit_control","setfcap","mac_override","mac_admin","syslog","wake_alarm","block_suspend"],"effective":["chown","dac_override","dac_read_search","fowner","fsetid","kill","setgid","setuid","setpcap","linux_immutable","net_bind_service","net_broadcast","net_admin","net_raw","ipc_lock","ipc_owner","sys_module","sys_rawio","sys_chroot","sys_ptrace","sys_pacct","sys_admin","sys_boot","sys_nice","sys_resource","sys_time","sys_tty_config","mknod","lease","audit_write","audit_control","setfcap","mac_override","mac_admin","syslog","wake_alarm","block_suspend"],"bounding":["chown","dac_override","dac_read_search","fowner","fsetid","kill","setgid","setuid","setpcap","linux_immutable","net_bind_service","net_broadcast","net_admin","net_raw","ipc_lock","ipc_owner","sys_module","sys_rawio","sys_chroot","sys_ptrace","sys_pacct","sys_admin","sys_boot","sys_nice","sys_resource","sys_time","sys_tty_config","mknod","lease","audit_write","audit_control","setfcap","mac_override","mac_admin","syslog","wake_alarm","block_suspend"],"ambient":null}, "cwd": "/opt", "exe": "/opt/filebeat6.3.2/filebeat", "name": "filebeat", "pid": 1579, "ppid": 1454, "seccomp": {"mode":"disabled"}, "start_time": "2018-09-03T21:10:37.710+0800"}}}
2018-09-03T21:10:38.803+0800    INFO    instance/beat.go:225    Setup Beat: filebeat; Version: 6.3.2
2018-09-03T21:10:38.804+0800    INFO    pipeline/module.go:81    Beat name: centos7
2018-09-03T21:10:38.816+0800    INFO    instance/beat.go:315    filebeat start running.
2018-09-03T21:10:38.816+0800    INFO    [monitoring]    log/log.go:97    Starting metrics logging every 30s
2018-09-03T21:10:38.817+0800    INFO    registrar/registrar.go:117    Loading registrar data from /opt/filebeat6.3.2/data/registry
2018-09-03T21:10:38.821+0800    INFO    registrar/registrar.go:124    States Loaded from registrar: 1
2018-09-03T21:10:38.821+0800    WARN    beater/filebeat.go:354    Filebeat is unable to load the Ingest Node pipelines for the configured modules because the Elasticsearch output is not configured/enabled. If you have already loaded the Ingest Node pipelines or are using Logstash pipelines, you can ignore this warning.
2018-09-03T21:10:38.821+0800    INFO    crawler/crawler.go:48    Loading Inputs: 1
2018-09-03T21:10:38.822+0800    INFO    log/input.go:118    Configured paths: [/log/*.log]
2018-09-03T21:10:38.822+0800    INFO    input/input.go:88    Starting input of type: log; ID: 8294414020995878211 
2018-09-03T21:10:38.866+0800    INFO    crawler/crawler.go:82    Loading and starting Inputs completed. Enabled inputs: 1
2018-09-03T21:10:38.867+0800    INFO    cfgfile/reload.go:122    Config reloader started
2018-09-03T21:10:38.867+0800    INFO    cfgfile/reload.go:214    Loading of config files completed.
2018-09-03T21:10:38.883+0800    INFO    log/harvester.go:228    Harvester started for file: /log/spring-boot-integrate.log.2018-08-21.log
2018-09-03T21:11:08.819+0800    INFO    [monitoring]    log/log.go:124    Non-zero metrics in the last 30s    {"monitoring": {"metrics": {"beat":{"cpu":{"system":{"ticks":50,"time":{"ms":54}},"total":{"ticks":70,"time":{"ms":83},"value":70},"user":{"ticks":20,"time":{"ms":29}}},"info":{"ephemeral_id":"faaf6d3e-8fff-4670-9dca-c51b48b134c8","uptime":{"ms":30102}},"memstats":{"gc_next":5931008,"memory_alloc":3006968,"memory_total":4960192,"rss":15585280}},"filebeat":{"events":{"added":93,"done":93},"harvester":{"open_files":1,"running":1,"started":1}},"libbeat":{"config":{"module":{"running":0},"reloads":1},"output":{"events":{"acked":91,"batches":1,"total":91},"read":{"bytes":6},"type":"logstash","write":{"bytes":5990}},"pipeline":{"clients":1,"events":{"active":0,"filtered":2,"published":91,"retry":91,"total":93},"queue":{"acked":91}}},"registrar":{"states":{"current":1,"update":93},"writes":{"success":3,"total":3}},"system":{"cpu":{"cores":1},"load":{"1":0.05,"15":0.05,"5":0.03,"norm":{"1":0.05,"15":0.05,"5":0.03}}}}}}

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　　　　採集的是/log下的所有的log文件，我們就用工程：spring-boot-integrate來產生log文件（對應的就是我們的項目產生的日誌文件）；spring-boot-integrate依賴127.0.0.1的redis和mysql，需要把redis和mysql啟動起來（註意我的redis是配置了密碼的，mysql用的資料庫是spring-boot，sql文件在工程中）。

　　　　[root@centos7 redis-3.2.12]# cd /usr/local/redis-3.2.12/

　　　　[root@centos7 redis-3.2.12]# ./src/redis-server redis.conf　

　　　　[root@centos7 local]# service mysqld start

　　　　啟動我們的spring-boot-integrate

　　　　　　用maven生成war包，將spring-boot-integrate.war包拷貝到tomcat的webapps，啟動tomcat即可；註意tomcat版本需要8及以上；

　　　　　　[root@centos7 opt]# cd /usr/local/apache-tomcat-8.5.33/

　　　　　　[root@centos7 apache-tomcat-8.5.33]# ./bin/startup.sh

　　　　訪問：http://192.168.1.111:8080/spring-boot-integrate，如下圖