keepalived学习192.168.10.150 k1192.168.10.151 k2192.168.10.152 f1192.168.10.153 f2192.168.10.154 f3192
keepalived学习
192.168.10.150 k1192.168.10.151 k2192.168.10.152 f1192.168.10.153 f2192.168.10.154 f3192.168.10.155 f4
###备份keepalived的配置文件
! Configuration File for keepalivedglobal_defs { router_id LVS_DEVEL_RGW}vrrp_instance VI_RGW_1 { state BACKUP interface eno16777736 virtual_router_id 239 priority 95 advert_int 1 authentication { auth_type PASS auth_pass onest123 } virtual_ipaddress { 192.168.10.160 }}virtual_server 192.168.10.160 80 { delay_loop 6 lb_algo wlc lb_kind DR# persistence_timeout 0 protocol TCP real_server 192.168.10.152 80 { weight 100 TCP_CHECK { connect_timeout 10 nb_get_retry 3 delay_before_retry 3 connect_port 80 } } real_server 192.168.10.153 80 { weight 100 TCP_CHECK { connect_timeout 10 nb_get_retry 3 delay_before_retry 3 connect_port 80 } } real_server 192.168.10.154 80 { weight 100 TCP_CHECK { connect_timeout 10 nb_get_retry 3 delay_before_retry 3 connect_port 80 } }}###主keepalived的配置文件
! Configuration File for keepalivedglobal_defs { router_id LVS_DEVEL_RGW}vrrp_instance VI_RGW_1 { state MASTER interface eno16777736 virtual_router_id 239 priority 100 advert_int 1 authentication { auth_type PASS auth_pass onest123 } virtual_ipaddress { 192.168.10.160 }}virtual_server 192.168.10.160 80 { delay_loop 6 lb_algo wlc lb_kind DR# persistence_timeout 0 protocol TCP real_server 192.168.10.152 80 { weight 100 TCP_CHECK { connect_timeout 10 nb_get_retry 3 delay_before_retry 3 connect_port 80 } } real_server 192.168.10.153 80 { weight 100 TCP_CHECK { connect_timeout 10 nb_get_retry 3 delay_before_retry 3 connect_port 80 } } real_server 192.168.10.154 80 { weight 100 TCP_CHECK { connect_timeout 10 nb_get_retry 3 delay_before_retry 3 connect_port 80 } }}###绑定lo虚拟ip脚本
[root@f1 ~]# cat /etc/lvs/lvs_rgw.sh #设置systemctl开机启动#!/bin/bash# description: Config realserverRGW_VIP=192.168.10.160 . /etc/rc.d/init.d/functionscase "$1" instart) /sbin/ifconfig lo:0 $RGW_VIP netmask 255.255.255.255 broadcast $RGW_VIP up /sbin/route add -host $RGW_VIP dev lo:0 echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignore echo "2" >/proc/sys/net/ipv4/conf/lo/arp_announce echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore echo "2" >/proc/sys/net/ipv4/conf/all/arp_announce sysctl -p >/dev/null 2>&1 echo "RealServer Start OK" ;;stop) /sbin/ifconfig lo:0 down /sbin/route del $RGW_VIP >/dev/null 2>&1 echo "0" >/proc/sys/net/ipv4/conf/lo/arp_ignore echo "0" >/proc/sys/net/ipv4/conf/lo/arp_announce echo "0" >/proc/sys/net/ipv4/conf/all/arp_ignore echo "0" >/proc/sys/net/ipv4/conf/all/arp_announce echo "RealServer Stoped" ;;*) echo "Usage: $0 {start|stop}" exit 1esacexit 0f1.f2.f3.f4上都有192.168.10.160/32
[root@f1 ~]# ip a1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN 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 inet 192.168.10.160/32 brd 192.168.10.160 scope global lo:0 valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever#开放80端口firewall-cmd --zone=public --add-port=80/tcp --permanent#开放keepalived相关端口firewall-cmd --direct --permanent --add-rule ipv4 filter OUTPUT 0 --out-interface eno16777736 --destination 224.0.0.18 --protocol vrrp -j ACCEPT#开放keepalived相关端口firewall-cmd --direct --permanent --add-rule ipv4 filter INPUT 0 --in-interface eno16777736 --destination 224.0.0.18 --protocol vrrp -j ACCEPT#reloadfirewall-cmd --reload ###并发访问测试
7:19 yuliyang@yuliyang-PC /home/yuliyang% echo `seq 1 10000` | xargs -n 1 -P 100 sh -c 'curl http://192.168.10.160/'##不部署lvs的配置
主keepalived：第一个rgw上安装keepalived并且配置/etc/keepalived/keepalived.conf
! Configuration File for keepalivedglobal_defs { notification_email { [email protected] } notification_email_from [email protected] smtp_server mail.example.com smtp_connect_timeout 30 router_id LVS_DEVEL}vrrp_script chk_rgw {# script "killall -0 nginx" script "/etc/keepalived/check_rgw.sh" interval 2 weight -5 fall 3 rise 2 }vrrp_instance VI_1 { state MASTER interface eno16777728# mcast_src_ip 172.29.88.224 virtual_router_id 51 priority 101 advert_int 2 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 192.168.10.161 } track_script { chk_rgw }}从keepalived：第二个rgw上安装keepalived并且配置/etc/keepalived/keepalived.conf
! Configuration File for keepalivedglobal_defs { notification_email { [email protected] } notification_email_from [email protected] smtp_server mail.example.com smtp_connect_timeout 30 router_id LVS_DEVEL}vrrp_script chk_rgw {# script "killall -0 nginx" script "/etc/keepalived/check_rgw.sh" interval 2 weight -5 fall 3 rise 2}vrrp_instance VI_1 { state BACKUP interface eno16777728# mcast_src_ip 172.29.88.224 virtual_router_id 51 priority 100 advert_int 2 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 192.168.10.161 } track_script { chk_rgw }}#rgw挂掉再拉起来的脚本
[root@ceph02 ~]# cat /etc/keepalived/check_rgw.sh #!/bin/bashcounter=$(ps -C radosgw --no-heading|wc -l)if [ "${counter}" = "0" ]; then /usr/bin/radosgw -f --cluster ceph --name client.rgw.ceph02 --setuser ceph --setgroup ceph sleep 2 counter=$(ps -C radosgw --no-heading|wc -l) if [ "${counter}" = "0" ]; then /etc/init.d/keepalived stop fifi