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List:       cfengine-help
Subject:    shellcommands and class defines
From:       Elmar Kurgpold <elmarkurgpold () yahoo ! com>
Date:       2000-11-01 2:16:35
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Please take a look at this short script:

 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
control:
    moduledirectory = ( /opt/local/etc/cfinputs/modules )
    actionsequence = (
        module:current_pkgs.install_MyPkg
        shellcommands
        shellcommands.finish
    )

shellcommands:

    !finish.upgrade_MyPkg:: "/bin/echo removing old package"
        define=install_MyPkg

    !finish.install_MyPkg:: "/bin/echo installing MyPkg"
 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

    Versions of cfengine tested:

1.5.4
1.6.0.a13

    Explanation of script:

The idea is to automate installation of a software package using
shellcommands.  At the same time, I also have defined a "finish" class
that does some undetermined cleanup tasks, probably unrelated to the
package upgrade. The first shellcommand does the package removal, and
there is a second shellcommand that does the installation of the new
package.  I did it this way so a system that did not have the package to
begin with could go straight to the install.

    Problem:

The "shellcommands.finish" action somehow causes the
"!finish.install_MyPkg" shellcommand to not execute.  As written, I get
the following output:

cfengine:tecate:/bin/echo remov: removing old package

If I comment out the shellcommands.finish line from actionsequence, then I
get the results I expected:

cfengine:tecate:/bin/echo remov: removing old package
cfengine:tecate:/bin/echo insta: installing MyPkg

I can't seem to make sense of this, it seems like it should work.
Thoughts?

	++Elmar


|  Elmar Kurgpold
|  Email: elmarkurgpold@yahoo.com



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