研究背景

1、之所以選用kafka是因?yàn)榱科饋?lái)的話單臺(tái)logstash的抗壓能力比較差

2、為了解決整個(gè)鏈路查詢的問(wèn)題，多個(gè)Feign傳層的話，可以按照一個(gè)ID進(jìn)行穿層，所以采用logback的MDC進(jìn)行對(duì)唯一標(biāo)識(shí)存儲(chǔ)并且在Feign的調(diào)用鏈放在Header里，這里命名為T(mén)ID

下載地址：

ZK+Kafka

https://mirrors.bfsu.edu.cn/apache/kafka/2.7.0/kafka_2.13-2.7.0.tgz

https://mirrors.bfsu.edu.cn/apache/zookeeper/zookeeper-3.7.0/apache-zookeeper-3.7.0-bin.tar.gz

ELK

https://artifacts.elastic.co/downloads/kibana/kibana-7.12.0-windows-x86_64.zip

https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-7.12.0-windows-x86_64.zip

https://artifacts.elastic.co/downloads/logstash/logstash-7.12.0-windows-x86_64.zip

?

在攔截器里增加相對(duì)應(yīng)的攔截代碼

@Component @Slf4j public class ContextInterceptor implements HandlerInterceptor {RequestContext context = RequestContext.getCurrentContext();context.reset();log.debug("traceId:" + MDC.get("traceId"));String requestId = MDC.get("traceId");requestId = StringUtils.isEmpty(requestId) ? request.getHeader(RequestContext.REQUEST_ID) : requestId;requestId = StringUtils.isEmpty(requestId) ? request.getParameter(RequestContext.REQUEST_ID) : requestId;requestId = StringUtils.isEmpty(requestId) ? UUIDUtil.uuid() : requestId;MDC.put("TID", requestId);}

配置日志配置文件logback-spring.xml

<?xml version="1.0" encoding="UTF-8"?> <configuration><!-- springProfile用于指定當(dāng)前激活的環(huán)境，如果spring.profile.active的值是哪個(gè)，就會(huì)激活對(duì)應(yīng)節(jié)點(diǎn)下的配置 --><springProfile name="local"><!-- configuration to be enabled when the "staging" profile is active --><springProperty scope="context" name="module" source="spring.application.name"defaultValue="undefinded"/><!-- 該節(jié)點(diǎn)會(huì)讀取Environment中配置的值，在這里我們讀取application.yml中的值 --><springProperty scope="context" name="bootstrapServers" source="spring.kafka.bootstrap-servers"defaultValue="127.0.0.1:9092"/><appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender"><!-- encoders are assigned the typech.qos.logback.classic.encoder.PatternLayoutEncoder by default --><encoder><pattern>%boldYellow(${module})|%d|%highlight(%-5level)|%X{TID}|%cyan(%logger{15}) - %msg %n</pattern></encoder></appender><!-- kafka的appender配置 --><appender name="kafka" class="com.github.danielwegener.logback.kafka.KafkaAppender"><encoder><pattern>${module}|%d|%-5level|%X{TID}|%logger{15} - %msg</pattern></encoder><topic>test</topic><keyingStrategy class="com.github.danielwegener.logback.kafka.keying.NoKeyKeyingStrategy"/><deliveryStrategy class="com.github.danielwegener.logback.kafka.delivery.AsynchronousDeliveryStrategy"/><!-- Optional parameter to use a fixed partition --><!-- <partition>0</partition> --><!-- Optional parameter to include log timestamps into the kafka message --><!-- <appendTimestamp>true</appendTimestamp> --><!-- each <producerConfig> translates to regular kafka-client config (format: key=value) --><!-- producer configs are documented here: https://kafka.apache.org/documentation.html#newproducerconfigs --><!-- bootstrap.servers is the only mandatory producerConfig --><producerConfig>bootstrap.servers=${bootstrapServers}</producerConfig><!-- 如果kafka不可用則輸出到控制臺(tái) --><appender-ref ref="STDOUT"/></appender><!-- 指定項(xiàng)目中的logger --><!--<logger name="org.springframework.test" level="INFO" ><appender-ref ref="kafka" /></logger>--><logger name="com.springcloudsite" level="INFO" ><appender-ref ref="kafka" /></logger><root level="info"><appender-ref ref="STDOUT" /></root></springProfile> </configuration>

正則配置說(shuō)明? ??

? ? pattern：為正則表達(dá)

? ? %boldYellow(${module}) ： 黃色的模塊名稱(chēng)

? ? %d ：日期時(shí)間

? ?%highlight(%-5level)：高亮的日志級(jí)別，如info error trace登

? ?%X{TID} : traceID 追蹤使用的ID

? ?%cyan(%logger{15}) :簡(jiǎn)寫(xiě)類(lèi)名路徑

? %msg %n :具體日志信息

打印出來(lái)的效果如下：

?

配置zk+kafka

1. 安裝JDK

1.1 安裝文件：http://www.oracle.com/technetwork/java/javase/downloads/index.html 下載JDK
1.2 安裝完成后需要添加以下的環(huán)境變量（右鍵點(diǎn)擊“我的電腦” -> "高級(jí)系統(tǒng)設(shè)置" -> "環(huán)境變量"?）：

• JAVA_HOME:?C:\Program Files\Java\jdk1.8.0_171 (jdk的安裝路徑)

• Path: 在現(xiàn)有的值后面添加"; %JAVA_HOME%\bin"

1.3 打開(kāi)cmd運(yùn)行 "java -version" 查看當(dāng)前系統(tǒng)Java的版本：

2. 安裝ZOOKEEPER

Kafka的運(yùn)行依賴于Zookeeper，所以在運(yùn)行Kafka之前我們需要安裝并運(yùn)行Zookeeper

2.1 下載安裝文件：?http://zookeeper.apache.org/releases.html

2.2 解壓文件?

2.3 打開(kāi)zookeeper-3.4.13\conf，把zoo_sample.cfg重命名成zoo.cfg

2.4 從文本編輯器里打開(kāi)zoo.cfg

2.5 把dataDir的值改成“./zookeeper-3.4.13/data”

2.6 添加如下系統(tǒng)變量：

• ZOOKEEPER_HOME: C:\Users\localadmin\CODE\zookeeper-3.4.13 (zookeeper目錄)
• Path: 在現(xiàn)有的值后面添加 ";%ZOOKEEPER_HOME%\bin;"

2.7 運(yùn)行Zookeeper: 打開(kāi)cmd然后執(zhí)行 zkserver

cmd 窗口不要關(guān)閉

3. 安裝并運(yùn)行KAFKA

3.1 下載安裝文件：?http://kafka.apache.org/downloads.html

3.2 解壓文件

3.3 打開(kāi)kafka_2.11-2.0.0\config

3.4 從文本編輯器里打開(kāi) server.properties

3.5 把 log.dirs的值改成?“./logs”

3.6 打開(kāi)cmd

3.7 進(jìn)入kafka文件目錄: cd?C:\Users\localadmin\CODE\kafka_2.11-2.0.0(kafka目錄)

3.8 輸入并執(zhí)行:? .\bin\windows\kafka-server-start.bat .\config\server.properties

cmd 窗口不要關(guān)閉

4. 創(chuàng)建TOPICS

4.1 打開(kāi)cmd 并進(jìn)入cd?C:\Users\localadmin\CODE\kafka_2.11-2.0.0\bin\windows

4.2 創(chuàng)建一個(gè)topic：?kafka-topics.bat --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic test

5. 打開(kāi)一個(gè)PRODUCER：

cd C:\Users\localadmin\CODE\kafka_2.11-2.0.0\bin\windows kafka-console-producer.bat --broker-list localhost:9092 --topic test

6. 打開(kāi)一個(gè)CONSUMER:

cd?C:\Users\localadmin\CODE\kafka_2.11-2.0.0\bin\windows kafka-console-consumer.bat --bootstrap-server localhost:9092 --topic test --from-beginning

7. 測(cè)試:

配置ELK

kibana.yml

# Kibana is served by a back end server. This setting specifies the port to use. server.port: 5601# 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: "localhost"# Enables you to specify a path to mount Kibana at if you are running behind a proxy. # Use the `server.rewriteBasePath` setting to tell Kibana if it should remove the basePath # from requests it receives, and to prevent a deprecation warning at startup. # This setting cannot end in a slash. #server.basePath: ""# Specifies whether Kibana should rewrite requests that are prefixed with # `server.basePath` or require that they are rewritten by your reverse proxy. # This setting was effectively always `false` before Kibana 6.3 and will # default to `true` starting in Kibana 7.0. #server.rewriteBasePath: false# Specifies the public URL at which Kibana is available for end users. If # `server.basePath` is configured this URL should end with the same basePath. #server.publicBaseUrl: ""# 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 URLs of the Elasticsearch instances to use for all your queries. elasticsearch.hosts: ["http://localhost:9200"]# 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: "home"# 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: "kibana_system" #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 are used to verify the identity of Kibana to Elasticsearch and are required when # xpack.security.http.ssl.client_authentication in Elasticsearch is set to required. #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: 30000# Logs queries sent to Elasticsearch. Requires logging.verbose set to true. #elasticsearch.logQueries: false# Specifies the path where Kibana creates the process ID file. #pid.file: /run/kibana/kibana.pid# Enables you to 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# Specifies locale to be used for all localizable strings, dates and number formats. # Supported languages are the following: English - en , by default , Chinese - zh-CN . #i18n.locale: "en"

然后到對(duì)應(yīng)bin目錄下啟動(dòng)，直接點(diǎn)擊?kibana.bat啟動(dòng)即可，或者在CMD命令啟動(dòng)

之后是啟動(dòng)效果

配置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 ----------------------------------- # # By default Elasticsearch is only accessible on localhost. Set a different # address here to expose this node on the network: # cluster.name: "docker-cluster" node.name: "node-1" node.master: true network.host: 0.0.0.0#xpack.license.self_generated.type: trial #xpack.security.enabled: true #xpack.monitoring.collection.enabled: true # # By default Elasticsearch listens for HTTP traffic on the first free port it # finds starting at 9200. Set a specific HTTP port here: # http.port: 9200 # # For more information, consult the network module documentation. # # --------------------------------- Discovery ---------------------------------- # # Pass an initial list of hosts to perform discovery when this node is started: # The default list of hosts is ["127.0.0.1", "[::1]"] # #discovery.seed_hosts: ["host1", "host2"] # # Bootstrap the cluster using an initial set of master-eligible nodes: # cluster.initial_master_nodes: ["node-1"] # # For more information, consult the discovery and cluster formation module documentation. # # ---------------------------------- Various ----------------------------------- # # Require explicit names when deleting indices: # #action.destructive_requires_name: true

啟動(dòng)bin目錄下的elasticsearch.bat

以下是啟動(dòng)效果

配置logstash.conf

# Sample Logstash configuration for creating a simple # Beats -> Logstash -> Elasticsearch pipeline.input {kafka {bootstrap_servers => "localhost:9092"topics => ["test"]group_id => "test"} }filter { mutate {split => { "message" => "|" }}if [message][0] {mutate { add_field => {"apiname" => "%{[message][0]}"}}}if [message][1] {mutate { add_field => {"current_time" => "%{[message][1]}"}}} if [message][2] {mutate { add_field => {"current_level" => "%{[message][2]}"}}} if [message][3] {mutate { add_field => {"traceid" => "%{[message][3]}"}}}}output {elasticsearch {hosts => ["http://localhost:9200"]#index => "local-purchase-order | %{+YYYY-MM-dd}"index => "logstash-%{+YYYY-MM-dd}"#template_name => "logstash"#template_overwrite => true#index => "%{[@metadata][beat]}-%{[@metadata][version]}-%{+YYYY.MM.dd}"#user => "elastic"#password => "changeme"}stdout{codec => rubydebug} }

配置logstash.yml

#/usr/share/logstash/config/logstash.yml #jvm.options log4j2.properties logstash-sample.conf logstash.yml pipelines.yml startup.options http.host: "0.0.0.0" # [ "http://elasticsearch:9200" ] xpack.monitoring.elasticsearch.hosts: ${ELASTICSEARCH_URL}

啟動(dòng)使用命令

可以進(jìn)到bin下

D:\app\elk\logstash\bin

輸入命令：logstash -f D:\app\elk\logstash\config\logstash.conf

最后打開(kāi)地址

http://localhost:9600/

http://localhost:9200/

http://localhost:5601/

分別驗(yàn)證結(jié)果

?

?

?

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總結(jié)

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