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Problem this snippet solves:

Here's a way to create GTM configuration using a custom tmsh script. Note that this is a demonstration script and severely lacks error checking and thoroughness.

Code :

cli script test1.tcl {
proc getFeedback { question } {
    puts -nonewline $question
    flush stdout
    return [gets stdin]
}

proc script::run {} {
        # Enable stateless so existing objects can be overwritten
        tmsh::stateless enabled

        #Build Datacenters
        set dc_count [getFeedback "How many datacenters do you wish to create? "]
        for {set x 0} {$x<$dc_count} {incr x} {
            lappend dc_names [getFeedback "Datacenter [expr {$x +1}] name? "]
        }
        tmsh::create /gtm datacenter $dc_names
        puts "\nDatacenters created...\n\n"

        #Build Servers
        set srv_count [getFeedback "How many servers are you adding? "]
        for {set x 0} {$x<$srv_count} {incr x} {
            set srv_name [getFeedback "Server [expr {$x +1}] Name? "]
            set srv_ip [getFeedback "Server [expr {$x +1}] IP? "]
            set srv_dc_loc [getFeedback "Datacenter server belongs to (tmsh::get_config /gtm datacenter)? "]
            set v_count [getFeedback "How mnay virtuals for $srv_name? "]
            for {set y 0} {$y<$v_count} {incr y} {
                lappend vmembers($srv_name) [getFeedback "Virtual Server [expr $y +1] IP:Port? "]
            }
            tmsh::create /gtm server $srv_name addresses add \{ \
                $srv_ip \} monitor bigip datacenter $srv_dc_loc \
                virtual-servers add \{ $vmembers($srv_name) \}

        }
        puts "\nServers created...\n\n"

        #Build Pools
        set pl_count [getFeedback "How many pools are you adding? "]
        for {set x 0} {$x<$pl_count} {incr x} {
            set pl_name [getFeedback "Pool [expr {$x +1}] name? "]
            set pm_count [getFeedback "How many pool members? "]
            for {set y 0} {$y<$pm_count} {incr y} {
                set pm_raw [getFeedback "Pool member [expr $y +1] IP:Port and ratio (Ex. 1.1.1.1:80 1)? "]
                set pm_value "[lindex [split $pm_raw " "] 0] \{ ratio [lindex [split $pm_raw " "] 1] \}"
                lappend pmembers($pl_name) $pm_value
            }
            foreach z $pmembers($pl_name) { append pmmod "$z " }
            tmsh::create /gtm pool $pl_name members add \{ $pmmod \} \
                load-balancing-mode ratio verify-member-availability disabled
        }
        puts "\nPools created...\n\n"

        #Build WideIP
        set wip_name [getFeedback "WideIP Name? "]
        set wip_pl_count [getFeedback "How many pools? "]
        for {set x 0} {$x<$wip_pl_count} {incr x} {
            set pl_raw [getFeedback "Pool [expr {$x +1}] name a ratio (Ex. pool1 1)? "]
            set pl_value "[lindex [split $pl_raw " "] 0] \{ ratio [lindex [split $pl_raw " "] 1] \}"
            lappend wip_pools($wip_name) $pl_value
        }
        foreach z $wip_pools($wip_name) { append wipplmod "$z " }
        tmsh::create /gtm wideip $wip_name pool-lb-mode ratio pools add \{ $wipplmod \} \
            persistence enabled ttl-persistence 300 rules add \{ testwip-rule \}

        puts "\nWideIP created, configuration is complete.\n\n"
}
}
Version history
Last update:
‎10-Mar-2015 11:51
Updated by:
Contributors