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hadoop生态搭建（3节点）-15.Nginx_Keepalived_Tomcat配置
阅读量：6113 次
发布时间：2019-06-21

本文共 18061 字，大约阅读时间需要 60 分钟。

# Nginx+Tomcat搭建高可用

服务器名称 预装软件 IP地址
Nginx服务器 Nginx1 192.168.6.131
Nginx服务器 Nginx2 192.168.6.132

# ==================================================================node1 node2

yum -y install gcc gcc-c++ autoconf# http://www.pcre.org/# ==================================================================安装 Pcrescp -r ~/pcre2-10.32.tar.gz node2:~/tar zxf ~/pcre2-10.32.tar.gzcd pcre2-10.32./configure --prefix=/usr/local/pcre && make && make installrm -rf ~/pcre2-10.32.tar.gzrm -rf ~/pcre2-10.32# https://www.openssl.org/source/# ==================================================================安装 openssl# 在rabbitmq安装过就不用再执行了# scp -r ~/openssl-1.1.0g.tar.gz node2:~/# tar -zvxf ~/openssl-1.1.0g.tar.gz# cd openssl-1.1.0g# ./config --prefix=/usr/local/openssl && make && make install# rm -rf ~/openssl-1.1.0g.tar.gz# rm -rf ~/openssl-1.1.0g# http://www.zlib.net/# ==================================================================安装 zlibscp -r ~/zlib-1.2.11.tar.gz node2:~/tar -zxvf ~/zlib-1.2.11.tar.gzcd zlib-1.2.11./configure --prefix=/usr/local/zlib && make && make installrm -rf ~/zlib-1.2.11.tar.gzrm -rf ~/zlib-1.2.11# http://nginx.org/download/# ==================================================================安装 nginxscp -r ~/nginx-1.14.0.tar.gz node2:~/tar -zxvf ~/nginx-1.14.0.tar.gzcd nginx-1.14.0./configure --prefix=/usr/local/nginx && make && make installrm -rf ~/nginx-1.14.0.tar.gzrm -rf ~/nginx-1.14.0# 环境变量vi /etc/profile# 在export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL下添加export NGINX_HOME=/usr/local/nginxexport PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$NGINX_HOME/sbin# 使环境变量生效source /etc/profile# 查看配置结果echo $NGINX_HOME# 启动$NGINX_HOME/sbin/nginx -c $NGINX_HOME/conf/nginx.conf# 查看Nginx的进程号ps -ef|grep nginx# 三种关闭方式 将***替换为具体的进程号# 从容停止kill -QUIT ***# 快速停止kill -TERM ***# kill -INT ***# 强制停止pkill -9 nginx

# ==================================================================node1

# http://archive.apache.org/dist/tomcat/tomcat-8/v8.5.31/bin/# ==================================================================安装 tomcattar -zxvf ~/apache-tomcat-8.5.31.tar.gz -C /usr/localmv /usr/local/apache-tomcat-8.5.31 /usr/local/tomcatrm -rf ~/apache-tomcat-8.5.31.tar.gz

# 环境变量

# ==================================================================node1 node2 node3

vi /etc/profile# 在export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL下添加export JAVA_HOME=/usr/java/jdk1.8.0_111export ZOOKEEPER_HOME=/usr/local/zookeeper-3.4.12export HADOOP_HOME=/usr/local/hadoop-2.7.6export MYSQL_HOME=/usr/local/mysqlexport HBASE_HOME=/usr/local/hbase-1.2.4export HIVE_HOME=/usr/local/hive-2.1.1export SCALA_HOME=/usr/local/scala-2.12.4export KAFKA_HOME=/usr/local/kafka_2.12-0.10.2.1export FLUME_HOME=/usr/local/flume-1.8.0export SPARK_HOME=/usr/local/spark-2.3.0export STORM_HOME=/usr/local/storm-1.1.0export ERLANG_HOME=/usr/local/erlangexport RABBITMQ_HOME=/usr/local/rabbitmq_server-3.7.5export MONGODB_HOME=/usr/local/mongodb-3.4.5export REDIS_HOME=/usr/local/redis-4.0.10export RUBY_HOME=/usr/local/ruby-2.5.1export NGINX_HOME=/usr/local/nginxexport CATALINA_BASE=/usr/local/tomcatexport CATALINA_HOME=/usr/local/tomcatexport TOMCAT_HOME=/usr/local/tomcatexport PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$ZOOKEEPER_HOME/bin:$HADOOP_HOME/bin:$HADOOP_HOME/sbin:$MYSQL_HOME/bin:$HBASE_HOME/bin:$HIVE_HOME/bin:$SCALA_HOME/bin:$KAFKA_HOME/bin:$FLUME_HOME/bin:$SPARK_HOME/bin:$SPARK_HOME/sbin:$STORM_HOME/bin:$ERLANG_HOME/bin:$RABBITMQ_HOME/ebin:$RABBITMQ_HOME/sbin:$MONGODB_HOME/bin:$REDIS_HOME/bin:$RUBY_HOME/bin:$NGINX_HOME/sbin:$CATALINA_HOME/binexport CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jarexport HADOOP_INSTALL=$HADOOP_HOMEexport HADOOP_MAPRED_HOME=$HADOOP_HOMEexport HADOOP_COMMON_HOME=$HADOOP_HOMEexport HADOOP_HDFS_HOME=$HADOOP_HOMEexport YARN_HOME=$HADOOP_HOMEexport HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native

 

# ==================================================================node1

# 使环境变量生效source /etc/profile# 查看配置结果echo $CATALINA_BASEecho $CATALINA_HOMEecho $TOMCAT_HOMEscp -r $CATALINA_HOME node2:/usr/local/scp -r $CATALINA_HOME node3:/usr/local/

# ==================================================================node2 node3

# 使环境变量生效source /etc/profile# 查看配置结果echo $CATALINA_BASEecho $CATALINA_HOMEecho $TOMCAT_HOME

# ==================================================================node1 node2 node3

# 启动tomcat$CATALINA_HOME/bin/startup.sh# 停止tomcat$CATALINA_HOME/bin/shutdown.sh# 远程查看# http://node1:8080# http://node2:8080# http://node3:8080

# Nginx+Tomcat实现Web服务器的负载均衡

服务器名称 预装软件 IP地址

Nginx服务器 Nginx1 192.168.6.131
Nginx服务器 Nginx2 192.168.6.132
Web服务器1 tomcat 192.168.6.131
Web服务器2 tomcat 192.168.6.132
Web服务器3 tomcat 192.168.6.133

# ==================================================================node1

mkdir $CATALINA_HOME/webapps/test# 编写测试静态页vi /usr/local/tomcat/webapps/test/login.html            
                     
您正在访问：node1
		
login.html

# ==================================================================node2

mkdir /usr/local/tomcat/webapps/test# 编写测试静态页vi /usr/local/tomcat/webapps/test/login.html            
                     
您正在访问：node2
		
login.html

# ==================================================================node3

mkdir /usr/local/tomcat/webapps/test # 编写测试静态页vi /usr/local/tomcat/webapps/test/login.html            
                     
您正在访问：node3
		
login.html

# http://node1:8080/test/login.html

# http://node2:8080/test/login.html
# http://node3:8080/test/login.html

# ==================================================================node1

cp $NGINX_HOME/conf/nginx.conf $NGINX_HOME/conf/nginx.conf.bakvi $NGINX_HOME/conf/nginx.confuser nobody;# 工作进程个数，一般跟服务器cpu核数相等，或者核数的两倍worker_processes 2;# 单个进程最大连接数events{    worker_connections 1024; }http{    keepalive_timeout 65;    gzip on;	    # 服务器集群    upstream tomcatcluster{        # 集群有几台服务器即可配置几台，weight表示权重，权重越大被访问到的几率越大        # 启动好Tomcat服务器        server node1:8080 weight=1 max_fails=2 fail_timeout=30s;        server node2:8080 weight=1 max_fails=2 fail_timeout=30s;        server node3:8080 weight=1 max_fails=2 fail_timeout=30s;    }    #nginx基本配置    server{        listen 8088; #端口号        server_name node1; #服务名        location /{            #将访问请求转向至服务器集群, tomcatcluster 和上面 upstream tomcatcluster 对应            proxy_pass http://tomcatcluster;            # 真实的客户端IP            proxy_set_header   X-Real-IP        $remote_addr;            # 请求头中Host信息            proxy_set_header   Host             $host;            # 代理路由信息，此处取IP有安全隐患            proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;            # 真实的用户访问协议            proxy_set_header   X-Forwarded-Proto $scheme;        }        error_page   500 502 503 504  /50x.html;        location = /50x.html {            root   html;          }    }}

# ==================================================================node2

cp $NGINX_HOME/conf/nginx.conf $NGINX_HOME/conf/nginx.conf.bakvi $NGINX_HOME/conf/nginx.confuser nobody;# 工作进程个数，一般跟服务器cpu核数相等，或者核数的两倍worker_processes 2;# 单个进程最大连接数events{    worker_connections 1024; }http{    keepalive_timeout 65;    gzip on;	    # 服务器集群    upstream tomcatcluster{        # 集群有几台服务器即可配置几台，weight表示权重，权重越大被访问到的几率越大        # 启动好Tomcat服务器        server node1:8080 weight=1 max_fails=2 fail_timeout=30s;        server node2:8080 weight=1 max_fails=2 fail_timeout=30s;        server node3:8080 weight=1 max_fails=2 fail_timeout=30s;    }    #nginx基本配置    server{        listen 8088; #端口号        server_name node2; #服务名        location /{            #将访问请求转向至服务器集群, tomcatcluster 和上面 upstream tomcatcluster 对应            proxy_pass http://tomcatcluster;            # 真实的客户端IP            proxy_set_header   X-Real-IP        $remote_addr;            # 请求头中Host信息            proxy_set_header   Host             $host;            # 代理路由信息，此处取IP有安全隐患            proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;            # 真实的用户访问协议            proxy_set_header   X-Forwarded-Proto $scheme;        }        error_page   500 502 503 504  /50x.html;        location = /50x.html {            root   html;          }    }}

# ==================================================================node1 node2

# 查看Nginx的进程号ps -ef|grep nginx# 停止kill -QUIT ***# 启动$NGINX_HOME/sbin/nginx -c $NGINX_HOME/conf/nginx.conf# http://node1:8088/test/login.html# http://node2:8088/test/login.html

# Nginx服务器做负载均衡和动静分离，Web服务器1 Web服务器2 Web服务器3 做集群

# ==================================================================node1 node2 node3

mkdir -p $CATALINA_HOME/webapps/test/img

# 上传 testimg.jpg

# ==================================================================node1cp ~/testimg.jpg $CATALINA_HOME/webapps/test/img/# 编写测试静态页vi $CATALINA_HOME/webapps/test/index.jsp<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
     Nginx动静分离测试            
您正在访问：node1
        测试    scp -r ~/testimg.jpg node2:$CATALINA_HOME/webapps/test/img/scp -r ~/testimg.jpg node3:$CATALINA_HOME/webapps/test/img/# ==================================================================node2# 编写测试动态页vi $CATALINA_HOME/webapps/test/index.jsp<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
     Nginx动静分离测试            
您正在访问：node2
        测试    # ==================================================================node3# 编写测试动态页vi /usr/local/tomcat/webapps/test/index.jsp<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
     Nginx动静分离测试            
您正在访问：node3
        测试    # http://node1:8080/test/index.jsp# http://node2:8080/test/index.jsp# http://node3:8080/test/index.jsp# http://node1:8088/test/index.jsp# http://node2:8088/test/index.jsp

# ==================================================================node1 node2

mkdir -p /data/webapps# 加入下面的配置vi $NGINX_HOME/conf/nginx.confhttp{		server{		charset    utf-8; #设置编码为utf-8;		#静态文件交给nginx处理		location ~ .*\.(htm|html|gif|jpg|jpeg|png|bmp|swf|ioc|rar|zip|txt|flv|mid|doc|ppt|pdf|xls|mp3|wma)$ {			root  /data/webapps;			expires 30d;		}		#静态文件交给nginx处理		location ~ .*\.(js|css)?$ {			root /data/webapps;			expires 1h;		}	}}# 查看Nginx的进程号ps -ef|grep nginx# 停止kill -QUIT ***# 启动$NGINX_HOME/sbin/nginx -c $NGINX_HOME/conf/nginx.conf# 测试Nginx动静分离# http://node1:8088/test/index.jsp# http://node2:8088/test/index.jspmkdir -p /data/webapps/test/imgcp -r $CATALINA_HOME/webapps/test/img /data/webapps/test/# 测试Nginx动静分离# http://node1:8088/test/index.jsp# http://node2:8088/test/index.jspshutdown -h now# 快照 Nginx_Tomcat集群

服务器名称 预装软件 IP地址

Nginx服务器 Nginx1+Keepalived(Master) 192.168.6.131
Nginx服务器 Nginx2+Keepalived(Backup) 192.168.6.132
Web服务器1 tomcat 192.168.6.131
Web服务器2 tomcat 192.168.6.132
Web服务器3 tomcat 192.168.6.133

# Nginx+Keepalived+Tomcat搭建高可用/负载均衡/动静分离的Webserver集群

# 添加虚拟IP（VIP）

# ==================================================================node1vi /etc/sysconfig/network-scripts/ifcfg-ens33# BOOTPROTO=dhcpBOOTPROTO=static# ONBOOT=noONBOOT=yesIPADDR=192.168.6.131IPADDR1=192.168.6.141NETMASK=255.255.255.0GATEWAY=192.168.6.2DNS1=192.168.6.2systemctl restart networkip addr# ==================================================================node2vi /etc/sysconfig/network-scripts/ifcfg-ens33# BOOTPROTO=dhcpBOOTPROTO=static# ONBOOT=noONBOOT=yesIPADDR=192.168.6.132IPADDR1=192.168.6.142NETMASK=255.255.255.0GATEWAY=192.168.6.2DNS1=192.168.6.2systemctl restart networkip addr# ==================================================================安装 keepalivedyum install -y psmiscscp -r ~/keepalived-2.0.5.tar.gz node2:~/tar -zxvf ~/keepalived-2.0.5.tar.gzcd ~/keepalived-2.0.5yum -y install libnl libnl-develyum install -y libnfnetlink-devel./configure --prefix=/usr/local/keepalivedmake && make installrm -rf ~/keepalived-2.0.5.tar.gzcd ~# 环境变量# ==================================================================node1 node2vi /etc/profileexport NGINX_HOME=/usr/local/nginxexport CATALINA_BASE=/usr/local/tomcatexport CATALINA_HOME=/usr/local/tomcatexport TOMCAT_HOME=/usr/local/tomcatexport KEEPALIVED_HOME=/usr/local/keepalivedexport PATH=$PATH:$JAVA_HOME/bin:$JAVA_HOME/jre/bin:$NGINX_HOME/sbin:$CATALINA_HOME/bin:$KEEPALIVED_HOME/sbin# 使环境变量生效source /etc/profile# 查看配置结果echo $KEEPALIVED_HOME# ==================================================================node1 node2mkdir /etc/keepalived# cp $KEEPALIVED_HOME/etc/keepalived/keepalived.conf /etc/keepalived/cp ~/keepalived-2.0.5/keepalived/etc/init.d/keepalived /etc/init.d/cp $KEEPALIVED_HOME/etc/sysconfig/keepalived /etc/sysconfig/ln -s $KEEPALIVED_HOME/sbin/keepalived /usr/sbin/# ln -s $KEEPALIVED_HOME/sbin/keepalived /sbin/# 设置 keepalived 服务开机启动chkconfig keepalived on# 创建并赋予权限touch $KEEPALIVED_HOME/check_nginx.sh && chmod a+x $KEEPALIVED_HOME/check_nginx.shvi $KEEPALIVED_HOME/check_nginx.sh#!/bin/bashCOUNT=$(ps -C nginx --no-header |wc -l)echo $COUNT# 判断Nginx 是否都挂掉了if [ $COUNT -eq 0 ]then	# 如果挂掉了，就启动nginx	/usr/local/nginx/sbin/nginx	echo "重启nginx"	# 等5秒钟后，再次查看是否启动成功	sleep 5	# 如果nginx没有启动起来，就直接干掉keepalived	COUNT=$(ps -C nginx --no-header |wc -l)	if [ $COUNT -eq 0 ]	then		echo "干掉keepalived"		# 如果killall命令不能使用，就需要安装psmisc工具了		# yum install -y psmisc		killall keepalived	fifi# ==================================================================node1vi /etc/keepalived/keepalived.conf! Configuration File for keepalivedglobal_defs {   # 主服务器，从服务器需修改，表示运行keepalived服务器的一个标识   # 标识本节点的字条串,通常为hostname   router_id node1}# 监控服务.NGINX mysql等vrrp_script chk_nginx {    script "/usr/local/keepalived/check_nginx.sh"    # 每2s检查一次    interval 2    # 每次检查-20    weight -20}vrrp_instance VI_1 {	# 主从设置 MASTER/BACKUP    state MASTER	# 绑定VIP的网络接口，通过ifconfig查看自己的网络接口    interface ens33	# 虚拟路由的ID号,两个节点设置必须一样,可选IP最后一段使用,相同的VRID为一个组,他将决定多播的MAC地址    virtual_router_id 51	# 节点优先级，值范围0～254，MASTER要比BACKUP高优先级    priority 100	# 设定MASTER与BACKUP负载均衡器之间同步检查的时间间隔，两个节点必须设置一样，默认为1秒    advert_int 1    authentication {        auth_type PASS		# 设定授权密码，密码相同的为一个集群        auth_pass 1111    }	# nginx存活状态检测脚本    track_script {        chk_nginx      }	# 虚拟ip地址    virtual_ipaddress {        192.168.6.150    }}# ==================================================================node2vi /etc/keepalived/keepalived.conf! Configuration File for keepalivedglobal_defs {   # 主服务器，从服务器需修改，表示运行keepalived服务器的一个标识   # 标识本节点的字条串,通常为hostname   router_id node1}# 监控服务.NGINX mysql等vrrp_script chk_nginx {    script "/usr/local/keepalived/check_nginx.sh"    # 每2s检查一次    interval 2    # 每次检查-20    weight -20}vrrp_instance VI_1 {	# 主从设置 MASTER/BACKUP    state BACKUP	# 绑定VIP的网络接口，通过ifconfig查看自己的网络接口    interface ens33	# 虚拟路由的ID号,两个节点设置必须一样,可选IP最后一段使用,相同的VRID为一个组,他将决定多播的MAC地址    virtual_router_id 51	# 节点优先级，值范围0～254，MASTER要比BACKUP高优先级    priority 99	# 设定MASTER与BACKUP负载均衡器之间同步检查的时间间隔，两个节点必须设置一样，默认为1秒    advert_int 1    authentication {        auth_type PASS		# 设定授权密码，密码相同的为一个集群        auth_pass 1111    }	# nginx存活状态检测脚本    track_script {        chk_nginx      }	# 虚拟ip地址    virtual_ipaddress {        192.168.6.150    }}# ==================================================================node1 node2# 启动服务$NGINX_HOME/sbin/nginx -c $NGINX_HOME/conf/nginx.conf$CATALINA_HOME/bin/startup.shservice keepalived start# 停止服务service keepalived stop# 重启服务service keepalived restartps -ef | grep keepalived# 测试# http://node1:8088/test/index.jsp# http://192.168.6.150:8088/test/index.jspshutdown -h now# 快照 Nginx_Keepalived_Tomcat

# ==================================================================参考

vi $NGINX_HOME/sbin/nginx.confuser nobody;# 工作进程个数，一般跟服务器cpu核数相等，或者核数的两倍worker_processes 2;# 单个进程最大连接数events{    worker_connections 1024; }server{    listen 8088; #端口号    server_name node1; #服务名}http{	# 设置默认类型为二进制流	default_type    application/octet-stream;	server_names_hash_bucket_size   128;	#指定来自客户端请求头的headerbuffer大小，设置为32KB	client_header_buffer_size   32k;	#指定客户端请求中较大的消息头的缓存最大数量和大小，这里是4个32KB	large_client_header_buffers 4 32k;	#上传文件大小	client_max_body_size 356m;	#nginx的HttpLog模块指定，指定nginx日志的输出格式，输出格式为access	log_format access '$remote_addr - $remote_user [$time_local] "$request" '			'$status $body_bytes_sent "$http_referer" '			'"$http_user_agent" "$http_x_forwarded_for"';	#access日志存在未知	access_log  /var/log/nginx/access.log   access;	#开启高效模式文件传输模式，将tcp_nopush和tcp_nodelay两个指另设置为on，用于防止网络阻塞。	sendfile    on;	tcp_nopush  on;	tcp_nodelay on;	#设置客户端连接保持活动的超时时间	keepalive_timeout   65;	server_tokens   off;	#客户端请求主体读取缓存	client_body_buffer_size 512k;	proxy_connect_timeout   5;	proxy_send_timeout      60;	proxy_read_timeout      5;	proxy_buffer_size       16k;	proxy_buffers           4 64k;	proxy_busy_buffers_size 128k;	proxy_temp_file_write_size 128k;	#开启gzip	gzip    on;	#允许压缩的最小字节数	gzip_min_length 1k;	#4个单位为16k的内存作为压缩结果流缓存	gzip_buffers 4 16k;	#设置识别HTTP协议版本，默认是1.1	gzip_http_version 1.1;	#gzip压缩比，可在1~9中设置，1压缩比最小，速度最快，9压缩比最大，速度最慢，消耗CPU	gzip_comp_level 2;	#压缩的类型	gzip_types text/plain application/x-javascript text/css application/xml;	#让前端的缓存服务器混村经过的gzip压缩的页面	gzip_vary   on;	# 服务器集群	upstream tomcatcluster{		# 集群有几台服务器即可配置几台，weight表示权重，权重越大被访问到的几率越大		# 启动好Tomcat服务器		server node1:8080 weight=1;		server node2:8080 weight=1;		server node3:8080 weight=1;	}	server{		listen 8088;		server_name node1;		charset    utf-8; #设置编码为utf-8;		#location / {		#    root   html;		#    index  index.html index.htm;		#}		#location ~ .*\.(jsp|do|action)$		location / {			proxy_next_upstream http_502 http_504 error timeout invalid_header;			proxy_pass http://tomcatcluster;			# 真实的客户端IP			proxy_set_header   X-Real-IP        $remote_addr;			# 请求头中Host信息			proxy_set_header   Host             $host;			# 代理路由信息，此处取IP有安全隐患			proxy_set_header   X-Forwarded-For  $proxy_add_x_forwarded_for;			# 真实的用户访问协议			proxy_set_header   X-Forwarded-Proto $scheme;		}		#静态文件交给nginx处理		location ~ .*\.(htm|html|gif|jpg|jpeg|png|bmp|swf|ioc|rar|zip|txt|flv|mid|doc|ppt|pdf|xls|mp3|wma)$ {			root  /data/webapps;			expires 30d;		}		#静态文件交给nginx处理		location ~ .*\.(js|css)?$ {			root /data/webapps;			expires 1h;		}		error_page   500 502 503 504  /50x.html;		location = /50x.html {			root   html;		}	}}

 

转载于:https://www.cnblogs.com/zcf5522/p/9882070.html

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