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這篇文章主要講解了“如何使用Nginx做頁面采集”,文中的講解內(nèi)容簡單清晰,易于學(xué)習(xí)與理解,下面請(qǐng)大家跟著小編的思路慢慢深入,一起來研究和學(xué)習(xí)“如何使用Nginx做頁面采集”吧!
模擬線上的實(shí)時(shí)流,比如用戶的操作日志,采集到數(shù)據(jù)后,進(jìn)行處理,暫時(shí)只考慮數(shù)據(jù)的采集,使用Html+Jquery+Nginx+Ngx_kafka_module+Kafka
來實(shí)現(xiàn),其中Ngx_kafka_module 是開源的專門用來對(duì)接Nginx和Kafka
的一個(gè)組件。
html
和jquery
模擬用戶請(qǐng)求日志其中包括下面下面幾項(xiàng):
用戶id:user_id, 訪問時(shí)間:act_time, 操作: (action,包括click,job_collect,cv_send,cv_upload)
企業(yè)編碼job_code
由于使用現(xiàn)成的已安裝好的docker-kafka鏡像,所以直接啟動(dòng)即可.
$ cd /usr/local/src $ git clone git@github.com:edenhill/librdkafka.git # 進(jìn)入到librdkafka,然后進(jìn)行編譯 $ cd librdkafka $ yum install -y gcc gcc-c++ pcre-devel zlib-devel $ ./configure $ make && make install $ yum -y install make zlib-devel gcc-c++ libtool openssl openssl-devel $ cd /opt/hoult/software # 1.下載 $ wget http://nginx.org/download/nginx-1.18.0.tar.gz # 2.解壓 $ tar -zxf nginx-1.18.0.tar.gz -C /opt/hoult/servers # 3. 下載模塊源碼 $ cd /opt/hoult/software $ git clone git@github.com:brg-liuwei/ngx_kafka_module.git # 4. 編譯 $ cd /opt/hoult/servers/nginx-1.18.0 $ ./configure --add-module=/opt/hoult/software/ngx_kafka_module/ $ make && make install # 5.刪除Nginx安裝包 $ rm /opt/hoult/software/nginx-1.18.0.tar.gz # 6.啟動(dòng)nginx $ cd /opt/hoult/servers/nginx-1.18.0 $ nginx
#pid logs/nginx.pid; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; #log_format main '$remote_addr - $remote_user [$time_local] "$request" ' # '$status $body_bytes_sent "$http_referer" ' # '"$http_user_agent" "$http_x_forwarded_for"'; #access_log logs/access.log main; sendfile on; #tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; #gzip on; kafka; kafka_broker_list linux121:9092; server { listen 9090; server_name localhost; #charset koi8-r; #access_log logs/host.access.log main; #------------kafka相關(guān)配置開始------------ location = /kafka/log { #跨域相關(guān)配置 add_header 'Access-Control-Allow-Origin' $http_origin; add_header 'Access-Control-Allow-Credentials' 'true'; add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS'; kafka_topic tp_individual; } #error_page 404 /404.html; } }
# 創(chuàng)建topic kafka-topics.sh --zookeeper linux121:2181/myKafka --create --topic tp_individual --partitions 1 --replication-factor 1 # 創(chuàng)建消費(fèi)者 kafka-console-consumer.sh --bootstrap-server linux121:9092 --topic tp_individual --from-beginning # 創(chuàng)建生產(chǎn)者測(cè)試 kafka-console-producer.sh --broker-list linux121:9092 --topic tp_individual
<!DOCTYPE html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1,shrink-to-fit=no"> <title>index</title> <!-- jquery cdn, 可換其他 --> <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.js"></script> </head> <body> <input id="click" type="button" value="點(diǎn)擊" onclick="operate('click')" /> <input id="collect" type="button" value="收藏" onclick="operate('job_collect')" /> <input id="send" type="button" value="投簡歷" onclick="operate('cv_send')" /> <input id="upload" type="button" value="上傳簡歷" onclick="operate('cv_upload')" /> </body> <script> function operate(action) { var json = {'user_id': 'u_donald', 'act_time': current().toString(), 'action': action, 'job_code': 'donald'}; $.ajax({ url:"http://linux121:8437/kafka/log", type:"POST" , crossDomain: true, data: JSON.stringify(json), // 下面這句話允許跨域的cookie訪問 xhrFields: { withCredentials: true }, success:function (data, status, xhr) { // console.log("操作成功:'" + action) }, error:function (err) { // console.log(err.responseText); } }); }; function current() { var d = new Date(), str = ''; str += d.getFullYear() + '-'; str += d.getMonth() + 1 + '-'; str += d.getDate() + ' '; str += d.getHours() + ':'; str += d.getMinutes() + ':'; str += d.getSeconds(); return str; } </script> </html>
將a.html
放在nginx的目錄下,瀏覽器訪問192.168.18.128:9090
4.1 首先啟動(dòng)zk集群,kafka集群
4.2 然后創(chuàng)建topic, 創(chuàng)建消費(fèi)者,創(chuàng)建生產(chǎn)者,測(cè)試topic
4.3 啟動(dòng)nginx訪問頁面,進(jìn)行點(diǎn)擊,觀察消費(fèi)者狀態(tài)
整個(gè)過程如下圖:
感謝各位的閱讀,以上就是“如何使用Nginx做頁面采集”的內(nèi)容了,經(jīng)過本文的學(xué)習(xí)后,相信大家對(duì)如何使用Nginx做頁面采集這一問題有了更深刻的體會(huì),具體使用情況還需要大家實(shí)踐驗(yàn)證。這里是億速云,小編將為大家推送更多相關(guān)知識(shí)點(diǎn)的文章,歡迎關(guān)注!
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