#rpm -Uvh https://mirrors.tuna.tsinghua.edu.cn/epel/epel-release-latest-7.noarch.rpm #yum install erlang
#wget http://www.rabbitmq.com/releases/rabbitmq-server/v3.6.6/rabbitmq-server-3.6.6-1.el7.noarch.rpm
#yum install rabbitmq-server-3.6.6-1.el7.noarch.rpm 完成后启动服务: #service rabbitmq-server start 可以查看服务状态: #service rabbitmq-server status
cd /var/lib/rabbitmq
chmod u+w .erlang.cookie
vim /etc/hosts 10.64.16.123 l-rabbitmq1 10.64.17.11 l-rabbitmq2
rabbitmqctl stop_app rabbitmqctl join_cluster rabbit@ l-rabbitmq1 rabbitmqctl start_app
rabbitmqctl change_cluster_node_type ram (需要先停掉,才能更改)
rabbitmqctl set_policy ha-all "^ha\." '{"ha-mode":"all","ha-sync-mode":"automatic"}' //意思表示以ha.开头的queue都会复制到各个节点
yum -y install keepalived vim /etc/keepalived/keepalived.conf :
! Configuration File for keepalived global_defs { notification_email { acassen@firewall.loc failover@firewall.loc sysadmin@firewall.loc } notification_email_from Alexandre.Cassen@firewall.loc smtp_server 192.168.200.1 smtp_connect_timeout 30 router_id LVS_DEVEL vrrp_skip_check_adv_addr #vrrp_strict #要注释掉 vrrp_garp_interval 0 vrrp_gna_interval 0 } vrrp_script chk_haproxy { script "service haproxy status" # 服务探测,返回0说明服务是正常的 interval 1 # 每隔1秒探测一次 weight -2 # 不正常时,权重-1,即haproxy上线,权重加2;下线,权重减2 } vrrp_instance haproxy { state MASTER # 主机为MASTER,备机为BACKUP interface eth0 # 监测网络端口,用ifconfig查看 virtual_router_id 108 # 虚拟路由标识,同一个VRRP实例要使用同一个标识,主备机必须相同 priority 100 # 主备机取不同的优先级,确保主节点的优先级高过备用节点 advert_int 1 # VRRP Multicast广播周期秒数 用于设定主备节点间同步检查时间间隔 authentication { auth_type PASS # VRRP认证方式 auth_pass 1234 # VRRP口令 主备机密码必须相同 } track_script { # 调用haproxy进程检测脚本,备节点不配置 chk_haproxy } virtual_ipaddress { 10.64.16.254 #vip } notify_master "/etc/keepalived/notify.sh master" # 当前节点成为master时,通知脚本执行任务,一般用于启动某服务 notify_backup "/etc/keepalived/notify.sh backup" # 当前节点成为backup时,通知脚本执行任务,一般用于关闭某服务 }
! Configuration File for keepalived global_defs { notification_email { acassen@firewall.loc failover@firewall.loc sysadmin@firewall.loc } notification_email_from Alexandre.Cassen@firewall.loc smtp_server 192.168.200.1 smtp_connect_timeout 30 router_id LVS_DEVEL vrrp_skip_check_adv_addr # vrrp_strict #要注释掉 vrrp_garp_interval 0 vrrp_gna_interval 0 } vrrp_script chk_haproxy { script "service haproxy status" # 服务探测,返回0说明服务是正常的 interval 1 # 每隔1秒探测一次 weight -2 # 不正常时,权重-1,即haproxy上线,权重加2;下线,权重减2 } vrrp_instance haproxy { state BACKUP # 主机为MASTER,备机为BACKUP interface eth0 # 监测网络端口,用ifconfig查看 virtual_router_id 108 # 虚拟路由标识,同一个VRRP实例要使用同一个标识,主备机必须相同 priority 99 # 主备机取不同的优先级,确保主节点的优先级高过备用节点 advert_int 1 # VRRP Multicast广播周期秒数 用于设定主备节点间同步检查时间间隔 authentication { auth_type PASS # VRRP认证方式 auth_pass 1234 # VRRP口令 主备机密码必须相同 } virtual_ipaddress { # VIP 漂移地址 即集群IP地址 10.64.16.254 } }
#!/bin/bash case "$1" in master) notify master service haproxy start exit 0 ;; backup) notify backup service haproxy stop exit 0 ;; fault) notify fault service haproxy stop exit 0 ;; *) echo 'Usage: `basename $0` {master|backup|fault}' exit 1 ;; esac
yum install haproxy vim /etc/haproxy/haproxy.cfg
#######################HAproxy监控页面######################### listen http_front bind 0.0.0.0:1080 #监听端口 stats refresh 30s #统计页面自动刷新时间 stats uri /haproxy?stats #统计页面url stats realm Haproxy Manager #统计页面密码框上提示文本 stats auth admin:1234 #统计页面用户名和密码设置 #stats hide-version #隐藏统计页面上HAProxy的版本信息 #####################RabbitMQ的管理界面############################### listen rabbitmq_admin bind 10.64.16.254:15673 server l-rabbitmq1 10.64.16.123:15672 server l-rabbitmq2 10.64.17.11:15672 #####################RabbitMQ服务代理########################################### listen rabbitmq_cluster 10.64.16.254:5673 mode tcp stats enable balance roundrobin option tcpka option tcplog timeout client 3h timeout server 3h timeout connect 3h #balance url_param userid #balance url_param session_id check_post 64 #balance hdr(User-Agent) #balance hdr(host) #balance hdr(Host) use_domain_only #balance rdp-cookie #balance leastconn #balance source //ip server l-rabbitmq1 10.64.16.123:5672 check inter 5s rise 2 fall 3 #check inter 2000 是检测心跳频率,rise 2是2次正确认为服务器可用,fall 3是3次失败认为服务器不可用 server l-rabbitmq2 10.64.17.11:5672 check inter 5s rise 2 fall 3
haproxy -f haproxy.cfg启动
service haproxy restart
ip a
http://10.64.16.254:15673 rabbitmq管理页面
import pika connection = pika.BlockingConnection( pika.ConnectionParameters('10.64.16.254',5673,virtual_host="/",credentials=pika.PlainCredentials(username="admin",password="1234")) # 默认端口5672,可不写 ) channel = connection.channel() channel.queue_declare(queue='ha_1') channel.basic_publish(exchange='',routing_key='ha_1',body='haha Hello World!') connection.close() # 队列关闭
import pika import time connection = pika.BlockingConnection(pika.ConnectionParameters('10.64.16.254',5673,virtual_host="/",credentials=pika.PlainCredentials(username="admin",password="1234")) # 默认端口5672,可不写 ) channel = connection.channel() channel.queue_declare(queue='ha_1') def callback(ch, method, properties, body): # 四个参数为标准格式 print(" [x] Received %r" % body) time.sleep(15) ch.basic_ack(delivery_tag = method.delivery_tag) print("done") channel.basic_consume(callback,queue='ha_1') print(' [*] Waiting for messages. To exit press CTRL+C') channel.start_consuming()
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