Pillar header

#/srv/salt/random/init.sls
/tmp/random/randomstuff:
  file.prepend:
    - text:
      - "{{salt['pillar.get']('headers:salt:file')}}"
      
#/srv/pillar/headers/init.sls
headers:
  salt:
    file: |
        #            THIS FILE IS MANAGED BY SALTSTACK        #

#output:
root@salt-master:/srv/salt/random# salt 'salt-www1.arendus.kit' state.sls random
salt-www1.arendus.kit:
----------
          ID: /tmp/random
    Function: file.directory
      Result: True
     Comment: Directory /tmp/random is in the correct state
     Started: 10:37:24.473975
    Duration: 1.109 ms
     Changes:   
----------
          ID: /tmp/random/randomstuff
    Function: file.prepend
      Result: True
     Comment: Prepended 1 lines
     Started: 10:37:24.475218
    Duration: 3.391 ms
     Changes:   
              ----------
              diff:
                  --- 
                  +++ 
                  @@ -1,3 +1,4 @@
                  +#            THIS FILE IS MANAGED BY SALTSTACK        # 
                   #
                   #
                   kana

Summary for salt-www1.arendus.kit
------------
Succeeded: 2 (changed=1)
Failed:    0
------------
Total states run:     2
Total run time:   4.500 ms