My approach to manage different OS is similar to the ones suggested
before.
With these basic buidelines:
- When differences among OS are rather substancial, include specific
subclasses:
case $operatingsystem {
debian: { include apache::debian }
ubuntu: { include apache::debian }
default: { }
}
- When differences are just packages names, config file paths and so
on, managge differences in a specific params subclass where interla
variables are defined accoring to the OS:
class apache::params {
# Basic settings
$packagename = $operatingsystem ? {
freebsd => "apache20",
debian => "apache2",
ubuntu => "apache2",
default => "httpd",
}
$servicename = $operatingsystem ? {
debian => "apache2",
ubuntu => "apache2",
default => "httpd",
}
$username = $operatingsystem ? {
debian => "www-data",
ubuntu => "www-data",
default => "apache",
}
$configfile = $operatingsystem ?{
freebsd => "/usr/local/etc/apache20/httpd.conf",
ubuntu => "/etc/apache2/apache2.conf",
debian => "/etc/apache2/apache2.conf",
default => "/etc/httpd/conf/httpd.conf",
}
$configdir = $operatingsystem ?{
freebsd => "/usr/local/etc/apache20",
ubuntu => "/etc/apache2",
debian => "/etc/apache2",
default => "/etc/httpd/conf",
}
$documentroot = $operatingsystem ?{
debian => "/var/www",
ubuntu => "/var/www",
suse => "/srv/www",
default => "/var/www/html",
}
}
...
In the above examples my "default" is RedHat/Centos, but it should be
better to explicitely define them.
- Classic Package-Service-ConfigFiles cases are manage in an unique
class:
class apache {
require apache::params
package { apache:
name => "${apache::params::packagename}",
ensure => present,
}
service { apache:
name => "${apache::params::servicename}",
ensure => running,
enable => true,
pattern => "${apache::params::servicepattern}",
hasrestart => true,
hasstatus => true,
require => Package["apache"],
subscribe => File["httpd.conf"],
}
file { "httpd.conf":
# mode => 644, owner => root, group => root,
require => Package[apache],
ensure => present,
path => "${apache::params::configfile}",
}
case $operatingsystem {
debian: { include apache::debian }
ubuntu: { include apache::debian }
default: { }
}
if $backup == "yes" { include apache::backup }
if $monitor == "yes" { include apache::monitor }
if $firewall == "yes" { include apache::firewall }
}
- Generally I prefer to avoid defining / setting owners/permissions on
files I leave them to the standards provided byy the relevant
packakes...
My 2c
Al
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