gistfile1.txt

#dev_testing.init.sls
{%- set mydataid = "mydataid" %}
test_file_append:
  file.append:
      - name: /tmp/blah
      - text: |
          "all_hosts += ["{{ mydataid }}|cmk-agent|prod|site:west-vpc|lan|tcp|wato|/" + FOLDER_PATH + "/","


(salt-dev)root@dev-ak1-salt:/srv/salt/base/dev_testing# salt 'apt*' state.sls dev_testing
apt.dubkat.com:
----------
    State: - file
    Name:      /tmp/blah
    Function:  append
        Result:    True
        Comment:   Appended 1 lines
        Changes:   diff: --- 
+++ 
@@ -1 +1,2 @@
 oh hey!
+"all_hosts += ["mydataid|cmk-agent|prod|site:west-vpc|lan|tcp|wato|/" + FOLDER_PATH + "/","

                   
(salt-dev)root@dev-ak1-salt:/srv/salt/base/dev_testing# salt 'apt*' cmd.run 'cat /tmp/blah'
apt.dubkat.com:
    oh hey!
    "all_hosts += ["mydataid|cmk-agent|prod|site:west-vpc|lan|tcp|wato|/" + FOLDER_PATH + "/","