Iterate a loop in Puppet

increment.sh

#!/bin/bash

puppet apply --parser future -e '$ip="192.158.1" $vars={
  0 => "${ip}.0",
  1 => "${ip}.1",
  2 => "${ip}.2",
} each($vars) |$id,$gate| { notice "${id} -> ${gate}" }'

## Outputs
#Notice: Scope(Class[main]): 0 -> 192.158.1.0
#Notice: Scope(Class[main]): 1 -> 192.158.1.1
#Notice: Scope(Class[main]): 2 -> 192.158.1.2
#Notice: Compiled catalog for master.gsm1900.org in environment production in 0.32 seconds
#Notice: Finished catalog run in 0.01 seconds