Saltstack Configuration Management-Business reference keepalived

Configuration file for ================>keepalived

[Email protected] cluster]# cat/srv/salt/prod/cluster/files/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

}

}

=========> Service Management Module

[Email protected] cluster]# Cat/srv/salt/prod/cluster/haproxy-outside-keepalives.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 '] = = ' linux-node1.example.com '%}

-Routeid:haproxy_ha

-Stateid:master

-priorityid:150

{% elif grains[' FQDN '] = = ' linux-node2.example.com '%}

-Routeid:haproxy_ha

-Stateid:backup

-priorityid:100

{% ENDIF%}

Service.running:

-Name:keepalived

-Enable:true

-Watch:

-File:keepalived-service

To perform a general state:

[[email protected] cluster]# Salt ' * ' State.sls cluster.haproxy-outside-keepalived Env=prod

Linux-node2.example.com:

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

Summary

-------------

Succeeded:15 (changed=2)

failed:0

-------------

Total states run:15

Linux-node1.example.com:

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

Summary

-------------

Succeeded:15 (changed=2)

failed:0

-------------

Total states run:15

===============top file files for advanced state execution

[Email protected] cluster]# Cat/srv/salt/base/top.sls

Base

‘*‘:

-Init.env_init

Prod

' Linux-node1.example.com ':

-Cluster.haproxy-outside

-Cluster.haproxy-outside-keepalived

' Linux-node2.example.com ':

-Cluster.haproxy-outside

-Cluster.haproxy-outside-keepalived

Perform advanced Status:

[[email protected] cluster]# Salt ' * ' state.highstate

Linux-node2.example.com:

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

Summary

-------------

Succeeded:29

failed:0

-------------

Total states run:29

Linux-node1.example.com:

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

Summary

-------------

Succeeded:29

failed:0

-------------

Total states run:29

Then view the virtual IP status from the command:

[[Email protected] cluster]# IP ad li

2:eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> MTU Qdisc pfifo_fast State up Qlen 1000

Link/ether 00:0c:29:5c:e0:13 BRD FF:FF:FF:FF:FF:FF

inet 10.0.0.7/24 BRD 10.0.0.255 Scope Global eth0

inet 10.0.0.11/32 Scope Global eth0 ===============> Here is the virtual IP

Inet6 FE80::20C:29FF:FE5C:E013/64 Scope link

Valid_lft Forever Preferred_lft Forever

[[Email protected] ~]# IP ad li

2:eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> MTU Qdisc pfifo_fast State up Qlen 1000

Link/ether 00:0c:29:38:4b:e3 BRD FF:FF:FF:FF:FF:FF

inet 10.0.0.8/24 BRD 10.0.0.255 Scope Global eth0

Inet6 FE80::20C:29FF:FE38:4BE3/64 Scope link

Valid_lft Forever Preferred_lft Forever

Stop the keepalived service above Linux-node1 and then view the status:

[[email protected] cluster]#/etc/init.d/keepalived stop

Stop keepalived: [OK]

Then view the virtual IP status again by command:

[[Email protected] cluster]# IP ad li

2:eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> MTU Qdisc pfifo_fast State up Qlen 1000

Link/ether 00:0c:29:5c:e0:13 BRD FF:FF:FF:FF:FF:FF

inet 10.0.0.7/24 BRD 10.0.0.255 Scope Global eth0

Inet6 FE80::20C:29FF:FE5C:E013/64 Scope link

Valid_lft Forever Preferred_lft Forever

[[Email protected] ~]# IP ad li

2:eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> MTU Qdisc pfifo_fast State up Qlen 1000

Link/ether 00:0c:29:38:4b:e3 BRD FF:FF:FF:FF:FF:FF

inet 10.0.0.8/24 BRD 10.0.0.255 Scope Global eth0

inet 10.0.0.11/32 Scope Global eth0 ==================> virtual IP has drifted above linux-node2

Inet6 FE80::20C:29FF:FE38:4BE3/64 Scope link

Valid_lft Forever Preferred_lft Forever

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Saltstack Configuration Management-Business reference keepalived