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Re: Package management with cfengine

From: Brendan Strejcek
Subject: Re: Package management with cfengine
Date: Fri, 7 Nov 2003 15:40:34 -0600
User-agent: Mutt/1.3.28i

My solution is to move the list of packages out of cfagent.conf. I
examine classes in a module and then do package adds based on that.
Currently, the package lists are written into the module (which is just
Bourne script) but I may change that at some point.

Here are some sections from my module to give you an idea of how I do
things. PKG, BASE_SERVICES, &c. are just lists of packages in the form
of shell variables. Oh, also note this is for Debian machines.

I don't know if I being at all clear, but...

# CFALLCLASSES has the form class1:class2:class3:etc
test_class() {
        echo $CFALLCLASSES | sed 's/^/:/' | egrep :"${1}": >/dev/null 2>&1

# This module is only intended for Debian machines
test_class debian_3_0 || exit 0

# Define packages to install based on host classes
test_class any &&

# Example of how to add a package contingent upon a class
test_class asdf &&

LOG='logger -p daemon.err -t cfengine:dpkg'

# Silence; concise output will go to the logs
exec >/dev/null 2>&1

apt-get update

for i in $PKG; do
        if ( dpkg -s $i | grep ^Status | grep not-installed ); then
                if ( $ENV apt-get -y install $i ); then
                        $LOG installed $i
                        $LOG error installing $i

apt-get clean

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