apm-vpn-optimisation/apm-vpn-optimisation_icall.tmpl at master · pwhitef5/apm-vpn-optimisation · GitHub

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cli admin-partitions {
    update-partition Common
}
sys application template /Common/apm-vpn-optimisation_icall {
    actions {
        definition {
            html-help {
            }
            implementation {
                set app_dir [tmsh::pwd]
				set app_name $tmsh::app_name

                set icallTemplate {# Retrieve the CPU usage
set cpuStatus [tmsh::get_status sys cpu]
set numCpus 0
set totalUsage 0
foreach {cpu} $cpuStatus {
    incr numCpus
    set name [tmsh::get_name $cpu]
    set value [tmsh::get_field_value $cpu cpu-info.${name}.five-min-avg-system ]
    incr totalUsage $value
}
set cpuRate [ expr { $totalUsage / $numCpus } ]
tmsh::log "apm-vpn-optimisation:CPU rate: $cpuRate"


# Set features on or off
if { $cpuRate > 90 } {
    set compression 0
    set split-tunneling 1
    set rate-class "rate_class_100K"
    set client-traffic-classifier 1
} elseif { $cpuRate > 60 } {
    set compression 0
    set split-tunneling 1
    set rate-class "rate_class_500K"
    set client-traffic-classifier 1
} elseif { $cpuRate > 40 } {
    set compression 0
    set split-tunneling 0
    set rate-class "rate_class_1M"
    set client-traffic-classifier 1
} elseif { $cpuRate > 20 } {
    set compression 1
    set split-tunneling 0
    set rate-class "rate_class_1M"
    set client-traffic-classifier 1
} else {
    set compression 1
    set split-tunneling 0
    set rate-class "rate_class_1M"
    set client-traffic-classifier 0
}
set changed 0
# Set compression
set connectivityProfiles [tmsh::get_config apm profile connectivity all-properties]
foreach {profile} $connectivityProfiles {
    set name [tmsh::get_name $profile]
    if { $name == "connectivity" } { continue }
    # Get current status
    set currentStatus [tmsh::get_field_value $profile compress-gzip-level]
    if { $currentStatus < 1 && $compression > 0 } {
        # If it is turned off and should be on then turn on
        # Turn on
        tmsh::log "apm-vpn-optimisation:Turning on compression for profile $name: compress-gzip-level 6"
        tmsh::modify apm profile connectivity $name compress-gzip-level 6
    } elseif { $currentStatus > 0 && $compression < 1 } {
        # Turn off
        tmsh::log "apm-vpn-optimisation:Turning off compression for profile $name: compress-gzip-level 0"
        tmsh::modify apm profile connectivity $name compress-gzip-level 0
    }
}
set networkAccessProfiles [tmsh::get_config apm resource network-access all-properties]
foreach {profile} $networkAccessProfiles {
    set name [tmsh::get_name $profile]
    set currentStatus [tmsh::get_field_value $profile compression]
    if { $currentStatus == "none" && $compression > 0 } {
        # Turn on
        tmsh::log "apm-vpn-optimisation:Turning on compression for profile $name: compression gzip"
        tmsh::modify apm resource network-access $name compression gzip
        set changed 1
    } elseif { $currentStatus == "gzip" && $compression < 1} {
        # Turn off
        tmsh::log "apm-vpn-optimisation:Turning off compression for profile $name: compression none"
        tmsh::modify apm resource network-access $name compression none
        set changed 1
    }
}

# Set split-tunneling
set networkAccessProfiles [tmsh::get_config apm resource network-access all-properties]
foreach {profile} $networkAccessProfiles {
    set name [tmsh::get_name $profile]
    set currentStatus [tmsh::get_field_value $profile split-tunneling]
    tmsh::begin_transaction
    if { $currentStatus != "true" && ${split-tunneling} > 0 } {
        tmsh::log "apm-vpn-optimisation:Turning on split-tunneling for profile $name: split-tunneling true"
        tmsh::modify apm resource network-access $name address-space-exclude-dns-name add \{ office.com microsoftonline.com google.com gmail.com facebook.com \}
        tmsh::modify apm resource network-access $name address-space-include-subnet \{\{ subnet 10.0.0.0/8 \} \{ subnet 172.16.0.0/16 \} \{ subnet 192.168.0.0/16 \}\}
        tmsh::modify apm resource network-access $name split-tunneling true
        set changed 1
    } elseif { $currentStatus == "true" && ${split-tunneling} < 1 } {
        tmsh::log "apm-vpn-optimisation:Turning off split-tunneling for profile $name: split-tunneling false"
        tmsh::modify apm resource network-access $name split-tunneling false
        set changed 1
    }
    tmsh::commit_transaction
}

# Create rate class
tmsh::log "apm-vpn-optimisation:Creating client-rate-classes and client-traffic-classifier-1. rate: ${rate-class}"
tmsh::stateless enabled
tmsh::begin_transaction
tmsh::create apm resource client-rate-class rate_class_4M \{ rate 4000000 \}
tmsh::create apm resource client-rate-class rate_class_2M \{ rate 2000000 \}
tmsh::create apm resource client-rate-class rate_class_1M \{ rate 1000000 \}
tmsh::create apm resource client-rate-class rate_class_500K \{ rate 500000 \}
tmsh::create apm resource client-rate-class rate_class_100K \{ rate 100000 \}
tmsh::create apm resource client-traffic-classifier client-traffic-classifier-1 \{ entries add \{ \
entry \{ client-rate-class ${rate-class} dst-ip any dst-mask any dst-port https src-ip any src-mask any \} \
entry0 \{ client-rate-class rate_class_2M dst-ip any dst-mask any dst-port stun protocol 17 src-ip any src-mask any \} \
entry1 \{ client-rate-class rate_class_2M dst-ip any dst-mask any dst-port twrpc protocol 17 src-ip any src-mask any \} \
entry2 \{ client-rate-class rate_class_2M dst-ip any dst-mask any dst-port plethora protocol 17 src-ip any src-mask any \} \
entry3 \{ client-rate-class rate_class_2M dst-ip any dst-mask any dst-port cleanerliverc protocol 17 src-ip any src-mask any \} \
\} \}
tmsh::commit_transaction
tmsh::stateless disabled

set networkAccessProfiles [tmsh::get_config apm resource network-access all-properties]
foreach {profile} $networkAccessProfiles {
    set name [tmsh::get_name $profile]
    set currentStatus [tmsh::get_field_value $profile client-traffic-classifier]
    tmsh::begin_transaction
    if { $currentStatus != "client-traffic-classifier-1" && ${client-traffic-classifier} > 0 } {
        # Turn on
        tmsh::log "apm-vpn-optimisation:Turning on client-traffic-classifier for profile $name: client-traffic-classifier client-traffic-classifier-1"
        tmsh::modify apm resource network-access $name client-traffic-classifier client-traffic-classifier-1
        set changed 1
    } elseif { $currentStatus == "client-traffic-classifier-1" && ${client-traffic-classifier} < 1} {
        # Turn off
        tmsh::log "apm-vpn-optimisation:Turning off client-traffic-classifier for profile $name: client-traffic-classifier none"
        tmsh::modify apm resource network-access $name client-traffic-classifier none
        set changed 1
    }
    tmsh::commit_transaction
}
# Apply profiles
if { $changed > 0 } {
    set accessProfiles [tmsh::get_config apm profile type]
    foreach {profile} $accessProfiles {
        set name [tmsh::get_name $profile]
        # Check type of profile is ssl-vpn
        if { [tmsh::get_field_value $profile type] == "ssl-vpn" } {
            tmsh::log "apm-vpn-optimisation: Applying SSL-VPN access profile $name"
            tmsh::modify apm profile access $name generation-action increment
        }
    }
}

# Left blank
}
				tmsh::create sys icall script "${app_name}_avo_script definition { [tmsh::expand_macro $icallTemplate ] }"
                tmsh::create sys icall handler periodic ${app_name}_avo_handler interval 300 script ${app_name}_avo_script
            }

            presentation {

				section main {
					# The entry below creates a large text box that must be filled out with a valid IP Address
					# For details of APL, look at the iApps developers guide:
					# https://support.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/bigip-iapps-developer-11-4-0.html
                    message intro "APM VPN Optimisation Version 1 20/3/2020"
                    message usage "Note that this iApp will create an iCall which runs every 5 mins and changes your connectivity and network-access profiles automatically. You should backup your configuration before use to allow rollback to original configuration"
				}

				text {
					# Entities below set the text for the questions and section names, etc. Make them simple and relevant.
					main "Main"
                    main.intro ""
                    main.usage ""
				}
            }
            role-acl none
            run-as none
        }
    }
    description "APM VPN Optimisation iApp v2"
    ignore-verification false
    requires-bigip-version-max none
    requires-bigip-version-min none
    requires-modules { apm }
    signing-key none
    tmpl-checksum none
    tmpl-signature none
}