Puppet : How to use [facter Variable]2024/07/25

	Facter variables which are the system settings are set automatically, It's possible to use them if need.
[1]	Display facter variables.

root@dlp:~#

facter

augeas => {
  version => "1.14.1"
}
disks => {
  vda => {
    size => "30.00 GiB",
    size_bytes => 32212254720,
    type => "hdd",
    vendor => "0x1af4"
  }
}
dmi => {
  bios => {
    release_date => "04/01/2014",
    vendor => "SeaBIOS",
    version => "1.16.3-2.el9"
  },
  board => {
    manufacturer => "Red Hat",
    product => "RHEL"
  },
  chassis => {
    type => "Other"
  },
  manufacturer => "Red Hat",
  product => {
    name => "KVM",
    uuid => "9d39c7c3-c133-4d55-9205-d7e2a52ed960"
  }
.....
.....

[2]	For example, if OS is [Ubuntu] and version is [24.04], apply [sample01] class, if version is not [24.04], apply [sample02] class, if OS is not [Ubuntu], apply [sample03] class.

root@dlp:~#

vi /etc/puppet/code/environments/production/manifests/class.pp

class sample01 {
  file { '/home/testfile9.txt':
    ensure  => file,
    owner   => 'root',
    group   => 'root',
    mode    => '0644',
    content => 'This is the puppet test file.',
  }
}
class sample02 {
  user { 'numbat':
    ensure     => present,
    home       => '/home/numbat',
    managehome => true,
    password   => '$6$9GoE2liT6.P.U/a*****',
  }
}
class sample03 {
  file { '/home/testfile10.txt':
    ensure  => file,
    owner   => 'root',
    group   => 'adm',
    content => 'test file #10',
  }
}
case $facts['os']['distro']['id'] {
  'Ubuntu': {
    if $facts['os']['distro']['release']['major'] == '24.04' { include 'sample01' }
    else { include 'sample02' }
  }
  default: { include 'sample03' }
}

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