root/tags/v1.0/etc/test_change.xml

<?xml version="1.0" encoding="UTF-8" standalone="no" ?>

<!-- A demo configuration file for configuring a changeset -->
<config xmlns:xi="http://www.w3.org/2001/XInclude">

<!--
  A global change namespace, used to define commonly used items.
  You can use this to define variables that can be substituted in
  common places below. This provides a mechanism for templating changes.

  All values are strings. If you need to convert to a python number,
  do this in the python code, via int(), float() etc.
  
-->
<namespace>
  <entry name='var1'>This is the variable value</entry>
  <entry name='var2'>Another globally available value</entry>
</namespace>

<xi:include href="subchange.conf"/>

<provisioner
  name='prov1'
  type='MultiConnectingProvisioner'>

  <command>ssh -i /home/daedalus/.ssh/localconnect -o BatchMode=yes %(device.name)s "%(command.send)s"</command>

  <!-- This is a provisioner specific namespace. It can be accessed by
       all changes that use this provisioner.
   -->
  <namespace>
    <entry name='var1'>This is the variable value</entry>
    <entry name='var2'>Another globally available value</entry>
  </namespace>

</provisioner>

<device name='localhost'>
  <fqdn/>
  <ipaddress>127.0.0.1</ipaddress>

  <!-- This is a device specific namespace. It can be accessed by
       all changes that use this device as a target.
   -->
  <namespace/>

</device>

<change name='change1'
  type='CommandChange'>

  <!-- This is a change specific namespace. -->
  <namespace/>

  <useprov>prov1</useprov>

  <target>localhost</target>

  <preimpl>
    <command>
      <send>echo hello</send>
    </command>
  </preimpl>

  <impl>
    <command>
      <send>echo 'I am implementing a change'</send>
    </command>
    <command>
      <send>sleep 1</send>
    </command>
    <command>
      <send>echo 'It is done.'</send>
    </command>
  </impl>

  <postimpl>
    <!--
        A condition is used to check the output of a set of commands and
        determine if the commands were successfully implemented.
        If multiple conditions exist, all of them must evaluate to True
        for the commands to be deemed successful.
        It is a python expression that will be evaluated against a namespace
        containing the final exitcode for the command, as well as the results
        of the commands as a string:
        exitcode == The exitcode of the final command
        cmdoutput == The complete output from STDOUT and STDERR from all commands.
        
        Also available in the namespace are some useful modules, such as 're' and 'time'.
    -->
    <condition>exitcode == 14</condition>
    <command>
      <send>echo 'testing postimplementation'</send>
    </command>
    <command>
      <send>echo 'in two commands'</send>
    </command>
  </postimpl>

  <backout>
    <command>
      <send>echo "I am backing out"</send>
    </command>
    <command>
      <send>echo "the change in two commands"</send>
    </command>

  </backout>

</change>

<change name='change2'
  type='CommandChange'>
  <useprov>prov1</useprov>

  <target>localhost</target>

  <!--
      optional 0 to n changes that must complete successfully before
      attempting this change.
  <prereq>change1</prereq>
  -->

  <impl>
    <command>
      <send>echo "I am implementing change 2"</send>
    </command>
  </impl>

</change>

<prereq for="change2">change1</prereq>

<iterator name="iterator_1">
  <dict>
    <entry name="ns_1">val_1</entry>
    <entry name="ns_2">val_2</entry>
  </dict>

  <dict>
    <entry name="ns_1">val_3</entry>
    <entry name="ns_2">val_4</entry>
  </dict>

</iterator>

</config>