Forum: Cfengine Help
Subject: Re: package mgmt with apt
Author: joke
Link to topic: https://cfengine.com/forum/read.php?3,18977,18979#msg-18979
There are pitfalls using apt or aptitude with cfengine. You need to make sure
to disable interactive functions of apt-get/aptitude or the install process
will get stuck every time cfengine tries to install or update a package using
apt-get/aptitude.
First of all make sure to disable the invocation of debconf using
DEBIAN_FRONTENT environment variable. Second make sure to use a locale which is
ASCII compatible. Use LC_ALL=C or an UTF-8 locale.
body agent control {
environment => {
"DEBIAN_FRONTEND=noninteractive",
"LC_ALL=en_US.utf8"
};
}
Since debconf is disabled use may need to preconfigure the debconf database.
This is only necessary if you want to change the default setting and the
package has been installed yet. Consult the debconf manpage how to do it.
Setup the package management commands for apt-get or aptitude (example).
Make sure to add this commandline option to every apt-get/aptitude command to
prevent them from asking what to do if there are any changes to configuration
files. The option is passed down to dpkg (consult the manpage). You can
customize the package commands as needed. Use cfengine to handle changes to
configuration files.
Add: -o Dpkg::Options::=--force-confold
package_add_command => "/usr/bin/aptitude -o Dpkg::Options::=--force-confold
--assume-yes install";
package_remove_command => "/usr/bin/aptitude -o Dpkg::Options::=--force-confold
--assume-yes remove";
...................
package_add_command => "/usr/bin/apt-get -o Dpkg::Options::=--force-confold
--assume-yes install";
...................
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