上一篇文章咱們講到了haproxy的部署與配置
咱們這裏說說如何使用keepalive和httpd來實現haproxy+keepalive+httpd 這套web架構的saltstack集羣部署
首先咱們 http的部署,很簡答哦,直接yum安裝就完成了,但是在咱們saltstack就是用installed定義就行了。
ok,讓咱們搞起。
[root@test1 http]# pwd
/srv/salt/prod/http
[root@test1 http]# cat install.sls
include:
- pkg.pkg-init
httpd-install:
pkg.installed:
- names:
- httpd
- httpd-devel
是不是很簡單,那咱們下邊弄它的啓動。
[root@test1 cluster]# pwd
/srv/salt/prod/cluster
[root@test1 cluster]# cat http.sls
include:
- http.install
http-service:
file.managed:
- name: /etc/httpd/conf/httpd.conf
- source: salt://cluster/files/httpd.conf
- user: root
- group: root
- mode: 644
service.running:
- name: httpd
- enable: True
- reload: True
- unless: netstat -lntp |awk -F ':' '{print $4}' | grep 8080
下邊咱們弄keepalived的安裝文件。
[root@test1 keepalived]# pwd
/srv/salt/prod/keepalived
[root@test1 keepalived]# cat install.sls
keepalived-install:
file.managed:
- name: /usr/local/src/keepalived-1.2.17.tar.gz
- source: salt://keepalived/files/keepalived-1.2.17.tar.gz
- mode: 755
- user: root
- group: root
cmd.run:
- name: cd /usr/local/src && tar zxf keepalived-1.2.17.tar.gz && cd keepalived-1.2.17 && ./configure --prefix=/usr/local/keepalived --disable-fwmark && make && make install
- unless: test -d /usr/local/keepalived
- require:
- file: keepalived-install
/etc/sysconfig/keepalived:
file.managed:
- source: salt://keepalived/files/keepalived.sysconfig
- mode: 644
- user: root
- group: root
/etc/init.d/keepalived:
file.managed:
- source: salt://keepalived/files/keepalived.init
- mode: 755
- user: root
- group: root
keepalived-init:
cmd.run:
- name: chkconfig --add keepalived
- unless: chkconfig --list | grep keepalived
- require:
- file: /etc/init.d/keepalived
/etc/keepalived:
file.directory:
- user: root
- group: root
不同的人,定義的方式不同,但是實現的效果是一樣的。這個配置很簡答,就不在這裏具體描述了。附件裏有安裝包。
安裝部分完成了,咱們下邊就弄啓動部分。咱們還是放到cluster目錄下邊
[root@test1 cluster]# pwd
/srv/salt/prod/cluster
[root@test1 cluster]# cat haproxy-outside-keepalived.sls ##爲了區分是haproxy外網的配置
include:
- keepalived.install
keepalived-server:
file.managed:
- name: /etc/keepalived/keepalived.conf
- source: salt://cluster/files/haproxy-outside-keepalived.conf
- mode: 644
- user: root
- group: root
- template: jinja
{% if grains['fqdn'] == 'test1' %}
- ROUTEID: haproxy_ha
- STATEID: MASTER
- PRIORITYID: 150
{% elif grains['fqdn'] == 'test2' %}
- ROUTEID: haproxy_ha
- STATEID: BACKUP
- PRIORITYID: 100
{% endif %}
service.running:
- name: keepalived
- enable: True
- watch:
- file: keepalived-server
這裏咱們簡單的說明一下,首先這裏使用了jinja模板的方式,用pillar來定義了
下邊是keepalived的配置文件
[root@test1 files]# pwd
/srv/salt/prod/cluster/files
[root@test1 files]# cat haproxy-outside-keepalived.conf
! Configuration File for keepalived
global_defs {
notification_email {
[email protected]
}
notification_email_from [email protected]
smtp_server 127.0.0.1
smtp_connect_timeout 30
router_id `ROUTEID`
}
vrrp_instance haproxy_ha {
state `STATEID`
interface eth0
virtual_router_id 36
priority `PRIORITYID`
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
10.0.0.11
}
}
執行salt '*' state.sls cluster.haproxy-outside-keepalived env=prod test=true
當然最後咱們加到top裏邊進行定義。那就完成了。對web平臺集羣的部署。
[root@test1 base]# pwd
/srv/salt/base
[root@test1 base]# cat top.sls
base:
'*':
- init.env_init
prod:
'test[1,2]':
- cluster.haproxy-outside-keepalived
- cluster.haproxy-outside
- cluster.http
[root@test1 base]# salt '*' state.highstate test=true