I'm working on a definition for activating/deactivating Apache modules
on an Ubuntu system. Inside my Apache class I have this definition:
define module($ensure) {
case $ensure {
enabled: { exec { "a2enmod":
command => "/usr/sbin/a2enmod $name",
logoutput => on_failure,
creates => "/etc/apache2/mods-enabled/$name.load",
notify => Service["apache2"],
}
}
disabled: { exec { "a2dismod":
command => "/usr/sbin/a2dismod $name",
logoutput => on_failure,
unless => "test ! -e
/etc/apache2/mods-enabled/$name.load",
notify => Service["apache2"],
}
}
default: { alert("Invalid option for apache::module.") }
}
}
I call it like so:
apache::module { "proxy_http": ensure => enabled }
This seems to work just fine as long as I only call it once. If I
call it multiple times, each with a different module name, I get this
error:
err: Could not retrieve catalog: Puppet::Parser::AST::Resource failed
with error ArgumentError: Duplicate definition: Exec[a2enmod] is
already defined in file /etc/puppet/manifests/classes/apache.pp at
line 12; cannot redefine at /etc/puppet/manifests/classes/apache.pp:12
I was under the impression that Exec expressly allows duplicate
definitions. What am I misunderstanding? Is there a better way to
structure this definition?
Thanks...
-Ben
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