nfs

192.168.10.32

maast

192.168.10.4

savel

192.168.10.31

應對這個需求既要高可用又要消息延遲,只能使用變態方式實現

nfs部署

#yum install nfs-utils rpcbind

#vim /etc/exports

/data/activemq 192.168.10.31(rw,sync,no_root_squash,no_all_squash)

/data/activemq 192.168.10.4(rw,sync,no_root_squash,no_all_squash)

#systemctl stop firewalld.service

#setenforce 0

#mkdir /data/activemq -p

#systemctl start nfs

客戶端掛載

#yum -y install nfs-utils.x86_64

# systemctl start rpcbind

# showmount -e 192.168.10.32

Export list for 192.168.10.32:

/data/activemq 192.168.10.4,192.168.10.31

# mkdir /data

# mount -t nfs 192.168.10.32:/data/activemq /data

# df -h

文件系統 容量 已用 可用 已用% 掛載點

/dev/mapper/centos-root 17G 4.8G 13G 28% /

devtmpfs 476M 0 476M 0% /dev

tmpfs 488M 0 488M 0% /dev/shm

tmpfs 488M 1.6M 486M 1% /run

tmpfs 488M 0 488M 0% /sys/fs/cgroup

/dev/sda1 1014M 130M 885M 13% /boot

tmpfs 98M 0 98M 0% /run/user/0

192.168.10.32:/data/activemq 17G 2.0G 16G 12% /data

使用yum安裝keepalived

# yum -y install epel-release-7-11.noarch

# yum -y install keepalived

安裝activemq部署

# tar xf apache-activemq-5.15.8-bin.tar.gz -C /usr/local/

# cd /usr/local/apache-activemq-5.15.8/conf

# vim activemq.xml 改成這樣的兩個節點都一樣

40

81

82

83

# ./activemq start 啟動

# ss -lntp | grep 61616

LISTEN 0 128 :::61616 :::* users:(("java",pid=21705,fd=137))

查另一個節點的端口

# ss -lntp | grep 61616

注意

1、共享文件的主從配置,是通過文件共享鎖來實現的。先拿到文件鎖的服務就是master,其它為slave服務,slave服務默認每10秒試圖拿一次文件鎖,可以查看activeMq的控制臺。

2、只有master的控制臺(如http://192.168.10.4:8161/admin)能夠訪問,slave的控制臺不能訪問,原因就是slave沒有拿到文件鎖,不能訪問文件。

配置keepalived的文件

備節點的配置

[root@localhost conf]# cd /etc/keepalived/

[root@localhost keepalived]# cat keepalived.conf

global_defs {

notification_email {

root@localhost

}

notification_email_from ka2@localhost

smtp_server 127.0.0.1

smtp_connect_timeout 30

vrrp_mcast_group4 224.111.111.111

}

vrrp_script chk_mq {

script "ss -lntp | grep 61616" #檢查端口是否存在，這里不能查進程

interval 2

weight -10

fall 2

rise 2

}

vrrp_instance External_1 {

state BACKUP

interface ens33

virtual_router_id 171

priority 95

advert_int 1

authentication {

auth_type PASS

auth_pass 1402b1b5

}

virtual_ipaddress {

192.168.10.5/24

}

track_script {

chk_mq

}

}

主節點的配置

# cat /etc/keepalived/keepalived.conf

global_defs {

notification_email {

root@localhost

}

notification_email_from ka1@localhost

smtp_server 127.0.0.1

smtp_connect_timeout 30

vrrp_mcast_group4 224.111.111.111

}

vrrp_script chk_mq {

script "ss -lntp | grep 61616"

interval 2

weight -10

fall 2

rise 2

}

vrrp_instance External_1 {

state MASTER

interface ens33

virtual_router_id 171

priority 100

advert_int 1

authentication {

auth_type PASS

auth_pass 1402b1b5

}

virtual_ipaddress {

192.168.10.5/24

}

track_script {

chk_mq

}

}

驗證

[root@jiagoushi bin]# ss -lntp | grep 61616

LISTEN 0 128 :::61616 :::* users:(("java",pid=21705,fd=137))

[root@jiagoushi bin]# ip a

1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

inet 127.0.0.1/8 scope host lo

valid_lft forever preferred_lft forever

inet6 ::1/128 scope host

valid_lft forever preferred_lft forever

2: ens33: mtu 1500 qdisc pfifo_fast state UP group default qlen 1000

link/ether 00:0c:29:6a:6e:da brd ff:ff:ff:ff:ff:ff

inet 192.168.10.4/24 brd 192.168.10.255 scope global noprefixroute ens33

valid_lft forever preferred_lft forever

inet 192.168.10.5/24 scope global secondary ens33

valid_lft forever preferred_lft forever

inet6 fe80::13ba:653e:ffc4:7305/64 scope link noprefixroute

valid_lft forever preferred_lft forever

重啟activemq查看vip切換效果，注意誰先起誰就是主節點，主節點掛了釋放文件鎖后，從節點端口才能啟動

[root@jiagoushi bin]# ./activemq restart

INFO: Loading '/usr/local/apache-activemq-5.15.8//bin/env'

INFO: Using java '/usr/bin/java'

INFO: Loading '/usr/local/apache-activemq-5.15.8//bin/env'

INFO: Using java '/usr/bin/java'

INFO: Waiting at least 30 seconds for regular process termination of pid '21705' :

Java Runtime: Oracle Corporation 1.8.0_181 /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-3.b13.el7_5.x86_64/jre

Heap sizes: current=62976k free=61991k max=932352k

JVM args: -Xms64M -Xmx1G -Djava.util.logging.config.file=logging.properties -Djava.security.auth.login.config=/usr/local/apache-activemq-5.15.8//conf/login.config -Dactivemq.classpath=/us

r/local/apache-activemq-5.15.8//conf:/usr/local/apache-activemq-5.15.8//../lib/: -Dactivemq.home=/usr/local/apache-activemq-5.15.8/ -Dactivemq.base=/usr/local/apache-activemq-5.15.8/ -Dactivemq.conf=/usr/local/apache-activemq-5.15.8//conf -Dactivemq.data=/usr/local/apache-activemq-5.15.8//dataExtensions classpath:

[/usr/local/apache-activemq-5.15.8/lib,/usr/local/apache-activemq-5.15.8/lib/camel,/usr/local/apache-activemq-5.15.8/lib/optional,/usr/local/apache-activemq-5.15.8/lib/web,/usr/local/apache

-activemq-5.15.8/lib/extra]ACTIVEMQ_HOME: /usr/local/apache-activemq-5.15.8

ACTIVEMQ_BASE: /usr/local/apache-activemq-5.15.8

ACTIVEMQ_CONF: /usr/local/apache-activemq-5.15.8/conf

ACTIVEMQ_DATA: /usr/local/apache-activemq-5.15.8/data

Connecting to pid: 21705

INFO: failed to resolve jmxUrl for pid:21705, using default JMX url

Connecting to JMX URL: service:jmx:rmi:///jndi/rmi://localhost:1099/jmxrmi

.....INFO: Broker not available at: service:jmx:rmi:///jndi/rmi://localhost:1099/jmxrmi

..........................

INFO: Regular shutdown not successful, sending SIGKILL to process

INFO: sending SIGKILL to pid '21705'

INFO: Loading '/usr/local/apache-activemq-5.15.8//bin/env'

INFO: Using java '/usr/bin/java'

INFO: Starting - inspect logfiles specified in logging.properties and log4j.properties to get details

INFO: pidfile created : '/usr/local/apache-activemq-5.15.8//data/activemq.pid' (pid '40627')

INFO: Loading '/usr/local/apache-activemq-5.15.8//bin/env'

INFO: Using java '/usr/bin/java'

ActiveMQ is running (pid '40627')

[root@jiagoushi bin]# ip a

1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

inet 127.0.0.1/8 scope host lo

valid_lft forever preferred_lft forever

inet6 ::1/128 scope host

valid_lft forever preferred_lft forever

2: ens33: mtu 1500 qdisc pfifo_fast state UP group default qlen 1000

link/ether 00:0c:29:6a:6e:da brd ff:ff:ff:ff:ff:ff

inet 192.168.10.4/24 brd 192.168.10.255 scope global noprefixroute ens33

valid_lft forever preferred_lft forever

inet6 fe80::13ba:653e:ffc4:7305/64 scope link noprefixroute

valid_lft forever preferred_lft forever

[root@jiagoushi conf]# ss -lntp | grep 61616

另一節點查看

[root@localhost keepalived]# ip a

1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

inet 127.0.0.1/8 scope host lo

valid_lft forever preferred_lft forever

inet6 ::1/128 scope host

valid_lft forever preferred_lft forever

2: ens33: mtu 1500 qdisc pfifo_fast state UP group default qlen 1000

link/ether 00:0c:29:60:f4:68 brd ff:ff:ff:ff:ff:ff

inet 192.168.10.31/24 brd 192.168.10.255 scope global noprefixroute ens33

valid_lft forever preferred_lft forever

inet 192.168.10.5/24 scope global secondary ens33

valid_lft forever preferred_lft forever

inet6 fe80::2dbd:f06e:6abd:907/64 scope link noprefixroute

valid_lft forever preferred_lft forever

[root@localhost keepalived]# ss -lntp | grep 61616

LISTEN 0 128 :::61616 :::* users:(("java",pid=22702,fd=137))

參考文章：https://cn.aliyun.com/jiaocheng/312402.html

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