keepalived配置安装
什么是vrrp,阿里云不支持组播,所以阿里云上不能配置keepalived,但是它有自己的slb。
运维的大忌,在命令行复制粘贴,一般是先复制到文本中查看确认以后
salt编写配置管理keepalived之前,首先自己安装一遍
一、下载以及编译安装
wget http://www.keepalived.org/software/keepalived-1.2.19.tar.gz tar zxf keepalived-1.2.19.tar.gz cd keepalived-1.2.19 ./configure --prefix=/usr/local/keepalived --disable-fwmark make && make install
二、编写功能模块配置
1、创建keepalived配置管理相关目录
mkdir /srv/salt/prod/keepalived mkdir /srv/salt/prod/leepalived/files cd /usr/local/src/keepalived-1.2.19/keepalived/etc cp init.d/keepalived.init /srv/salt/prod/keepalived/files cp keeplived/keepalived.conf /srv/salt/prod/leepalived/files keepalived文件位于编译安装后的目录下,该文件是keepalived后台运行配置文件 cp /usr/local/keepalived/etc/sysconfig/keepalived /srv/salt/prod/leepalived/files/keepalived.sysconfig 或在解压目目录下也存在该文件 cp keepalived/etc/init.d/keepalived.sysconfig /srv/salt/prod/keepalived/files/ cp /usr/local/src/keepalived-1.2.19.tar.gz /srv/salt/prod/leepalived/files/
2、修改启动脚本
cd /srv/salt/prod/keepalived/files
vim keeplived.init
daemon keeplived ${KEEPALIVED_OPTIONS}修改为
daemon /usr/local/keepalived/sbin/keepalived ${KEEPALIVED_OPTIONS}
3、keepalived安装配置install.sls
cd /srv/salt/prod/keepalived
vim install.sls
include:
- pkg.pkg-init
keepalived-install:
file.managed:
- name: /usr/local/src/keepalived-1.2.19.tar.gz
- source: salt://keepalived/files/keepalived-1.2.19.tar.gz
- user: root
- group: root
- mode: 755
cmd.run:
- name: cd /usr/local/src && tar zxf keepalived-1.2.19.tar.gz && cd keepalived-1.2.19 && ./configure --prefix=/usr/local/keepalived --disable-fwmark && make && make install
- unless: test -d /usr/local/keepalived
- require:
- pkg: pkg-init
- file: keepalived-install
keepalived-init:
file.managed:
- name: /etc/init.d/keepalived
- source: salt://keepalived/files/keepalived.init
- user: root
- group: root
- mode: 755
cmd.run:
- name: chkconfig --add keepalived
- unless: chkconfig --list | grep keepalived
- require:
- file: keepalived-init
/etc/sysconfig/keepalived:
file.managed:
- source: salt://keepalived/files/keepalived.sysconfig
- user: root
- group: root
- mode: 644
/etc/keepalived:
file.directory:
- user: root
- group: root
- mode: 755
4、测试
salt '*' state.sls keepalived.install env=prod test=True
三、编写业务模块配置
1、编写keepalived的配置haproxy-outside-keepalived.conf
cd /srv/salt/prod/cluster/files
vim haproxy-outside-keepalived.conf
! Configuration File for keepalived
global_defs {
notification_email {
saltstack@example.com
}
notification_email_from keepalived@example.com
smtp_server 127.0.0.1
smtp_connect_timeout 30
# jinja模板变量
router_id {{ROUTEID}}
}
vrrp_instance haproxy_ha {
# jinja模板变量
state {{STATEID}}
interface eth0
virtual_router_id 36
# jinja模板变量
priority {{PRIORITYID}}
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
#虚ip
192.168.217.155
}
}
2、编写管理keepalived配置文件的sls
cd /srv/salt/prod/cluster/
vim haproxy-outside-keepalived.sls
include:
- keepalived.install
keepalived-service:
file.managed:
- name: /etc/keepalived/keepalived.conf
- source: salt://cluster/files/haproxy-outside-keepalived.conf
- user: root
- group: root
- mode: 644
- template: jinja
{% if grains['fqdn'] == 'node1' %}
- ROUTEID: haproxy_ha
- STATEID: MASTER
- PRIORITYID: 150
{% elif grains['fqdn'] == 'node2' %}
- ROUTEID: haproxy_ha
- STATEID: BACKUP
- PRIORITYID: 100
{% endif %}
service.running:
- name: keepalived
- enable: True
- watch:
- file: keepalived-service
3、配置完后的文件配置管理目录结构
│ ── base
│ ├── init
│ │ ├── audit.sls
│ │ ├── dns.sls
│ │ ├── env_init.sls
│ │ ├── files
│ │ │ └── resolv.conf
│ │ ├── history.sls
│ │ └── sysctl.sls
│ └── top.sls
├── prod
├── cluster
│ ├── files
│ │ ├── haproxy-outside.cfg
│ │ └── haproxy-outside-keepalived.conf
│ ├── haproxy-outside-keepalived.sls
│ └── haproxy-outside.sls
├── haproxy
│ ├── files
│ │ ├── haproxy-1.6.2.tar.gz
│ │ └── haproxy.init
│ └── install.sls
├── keepalived
│ ├── files
│ │ ├── keepalived-1.2.19.tar.gz
│ │ ├── keepalived.conf
│ │ ├── keepalived.init
│ │ └── keepalived.sysconfig
│ └── install.sls
└── pkg
└── pkg-init.sls
4、测试
salt '*' state.sls cluster.haproxy-outside-keepalived env=prod test=True
5、在top.sls中加入keepalived
vim /srv/salt/base/top.sls
base:
'*':
- init.env_init
prod:
"node1":
- cluster.haproxy-outside
- cluster.haproxy-outside-keepalived
"node2":
- cluster.haproxy-outside
- cluster.haproxy-outside-keepalived
四、执行安装和配置keepalived以及vrrp测试查看
1、执行配置管理
salt '*' state.highstate
2、虚ip查看如下截图

web访问结果

