Puppet : How to use [package Resource]

	This is the examples for [package] resource.
[1]	It manages the configuration to keep [httpd] is installed.

[root@dlp ~]#  vi /etc/puppetlabs/code/environments/production/manifests/pkg01.pp package { 'httpd': provider => yum, ensure => installed, }

[2]	It manages the configuration to keep the latest [httpd] is installed.

[root@dlp ~]#  vi /etc/puppetlabs/code/environments/production/manifests/pkg01.pp package { 'httpd': provider => yum, ensure => latest, }

[3]	It manages the configuration to keep Nginx is not installed. (uninstalled if installed)

[root@dlp ~]#  vi /etc/puppetlabs/code/environments/production/manifests/pkg02.pp package { 'nginx': provider => yum, ensure => purged, }