Forum Discussion

Altostratus

Oct 04, 2022

iCall script not working

Hi guys , i have a scenario with a pool with two members ,Server A and Server B with priority group activated . Server A - 192.168.16.80 pga 15 Server B 192.168.18.211 pga 10 i created an iCa...

Admin

ah..two things.

Use tmsh::modify instead of exec, no need to leave the script to modify objects (this is an optimization, not a fix)
Escape your braces:

tmsh::modify ltm pool TeststanbyNode members modify \{ 192.168.18.211:80 \{priority-group 20\}\}

ikkut23

Altostratus

Oct 06, 2022

yeapp that did work ,

but still cant figure out with smth with alertd,when i mark the node down manually i can see on ltm log that

Pool /Common/TeststanbyNode member /Common/192.168.16.80:80 monitor status node down.

but lets say its not triggering the event

alert server1-down "Pool /Common/TeststanbyNode /Common/192.168.16.80:80 monitor status node down." {
exec command="tmsh generate sys icall event change_pga context { { name ip value 192.168.16.80 } {name port value 80} }" }

can you double check ,and also idk if its worth mentioning but Big-IP version is 14.1.2.3.

ah also if i try and run "generate sys icall event .. " it works and script changes the pga.

Thnx

oscarnet

Altocumulus

Oct 06, 2022

HI ikkut23:

I tested it a little bit The following is my config,

It can work normally, for your reference

#
cat /config/user_alert.conf
alert server1-down "Pool /Common/TeststanbyNode member /Common/node_10.1.20.13:80 monitor status down." {
   exec command="tmsh generate sys icall event change_pga context { { name ip value node_10.1.20.13 } {name port value 80} }"
}
#
tmsh list sys icall script pool_member1_down
sys icall script pool_member1_down {
    app-service none
    definition {
        foreach var { ip port } {
            set $var $EVENT::context($var)
        }
        tmsh::modify ltm pool TeststanbyNode members modify \{ $ip:$port \{priority-group 20\} \}
    }
    description none
    events none
}
#
tmsh list sys icall handler triggered change_pga
sys icall handler triggered change_pga {
    script pool_member1_down
    subscriptions {
        change_pga {
            event-name change_pga
        }
    }
}

have a good day!