#cloud-config                                                                   
myscripts:                                                                      
 - &alphabet |                                                                  
   #!/bin/sh                                                                    
   echo "======= $(date) ${0##*/} ========"                                     
   echo "hello ${1}"                                                            
   echo "abcdefghijk..."                                                        
                                                                                
runcmd:                                                                         
 - [ sh, -c, *alphabet, "say-the-alphabet", "scott" ]