Please help: "actionsequence classes" example for synchronization?

[ha haha]

Hi,

 Anyone could shed a light on "actionsequence class"
for synchronization -- make certain actions occur in
certain order? I tried several hours but still have no
luck.

 The following is an excerpt from cfengine Tutorial:

---------------------------------------------------

Here is an example: 

     
       links.onlysome
       shellcommands.othersymbols.onlysome
     

In the first case onlysome is defined to be true while
this instance of links is executed. That means that
only actions labelled with the class onlysome will be
executed as a result of that statement. In the latter
case, both onlysome and othersymbols are defined to be
true for the duration of shellcommands. 

This syntax would normally be used to omit certain
time-consuming actions, such as tidying all home
directories. Or perhaps to synchronize certain actions
which have to happen in a certain order. 
-----------------------------------------------------

My test results seem conflicting with the above
statement...  Both actions labeled with and without
the "actionsequence class" are executed. ONLY actions
With NEGATE (!) "actionsequence class" are not excuted
at the same time -- they are being run later.
But that may not be the "actionsequence class" are
designed to go.. Please help.


My cfengine is 2.1.15 running on Fedora Core Linux.

The cfengine configuration cfagent.conf is:

control:

   actionsequence = (
                        ...
                        shellcommands.ASClass
                        shellcommands
                    )   

shellcommands:

   linux::
        "/bin/echo no ASClass class, either define or
undefine, is in use."

   linux.ASClass::
        "/bin/echo actionSequence calsses is defined."

   linux.!ASClass::
        "/bin/echo ASClass is not defined at this
run."

...

The verbose result is attached as well.

...

*********************************************************************
 Main Tree Sched: shellcommands.ASClass pass 1 @ Thu
Aug 25 19:53:41 2005
*********************************************************************


                  New temporary class additions
                  --------( Pass 1 )-------
                             ASClass
cfengine:testBox: Executing script /bin/echo no
ASClass class, either define or undefine, is in
use....(timeout=0,uid=-1,gid=-1)
(Setting umask to 77)
cfengine:testBox:/bin/echo no AS: no ASClass class,
either define or undefine, is in use.
cfengine:testBox: Finished script /bin/echo no ASClass
class, either define or undefine, is in use.
cfengine:testBox: Executing script /bin/echo
actionSequence calsses is
defined....(timeout=0,uid=-1,gid=-1)
(Setting umask to 77)
cfengine:testBox:/bin/echo actio: actionSequence
calsses is defined.
cfengine:testBox: Finished script /bin/echo
actionSequence calsses is defined.
*********************************************************************
 Main Tree Sched: shellcommands pass 1 @ Thu Aug 25
20:28:11 2005
*********************************************************************

cfengine:testBox: Executing script /bin/echo ASClass
is not defined at this
run....(timeout=0,uid=-1,gid=-1)
(Setting umask to 77)
cfengine:testBox:/bin/echo ASCla: ASClass is not
defined at this run.
cfengine:testBox: Finished script /bin/echo ASClass is
not defined at this run.






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