Added new logrotate puppet module.

Allows us to easily manage log rotation. Example:

  logrotate::file { 'xyz':
    log => '/var/log/xyz.log',
    options => ['compress', 'weekly'],
  }

Change-Id: I84fa3a20e0510a1273aa9b8555da0dde4613f50a

manifests/file.pp

@@ -0,0 +1,20 @@
+define logrotate::file($log,
+                       $options,
+                       $prerotate='undef',
+                       $postrotate='undef',
+                       $firstaction='undef',
+                       $lastaction='undef') {
+
+  # $options should be an array containing 1 or more logrotate
+  # directives (e.g. missingok, compress).
+
+  include logrotate
+
+  file { "/etc/logrotate.d/${name}":
+    owner => root,
+    group => root,
+    mode => 644,
+    content => template("logrotate/config.erb"),
+    require => File["/etc/logrotate.d"],
+  }
+}

manifests/init.pp

@@ -0,0 +1,16 @@
+# Adapted from http://projects.puppetlabs.com/projects/1/wiki/Logrotate_Patterns
+
+class logrotate {
+
+  package { "logrotate":
+    ensure => latest,
+  }
+
+  file { "/etc/logrotate.d":
+    ensure => directory,
+    owner => root,
+    group => root,
+    mode => 755,
+    require => Package["logrotate"],
+  }
+}

templates/config.erb

@@ -0,0 +1,24 @@
+<%= log %> {
+<% options.each do |opt| -%> <%= opt %>
+<% end -%>
+<% if prerotate != 'undef' -%>
+ prerotate
+  <%= prerotate %>
+ endscript
+<% end -%>
+<% if postrotate != 'undef' -%>
+ postrotate
+  <%= postrotate %>
+ endscript
+<% end -%>
+<% if firstaction != 'undef' -%>
+ firstaction
+  <%= firstaction %>
+ endscript
+<% end -%>
+<% if lastaction != 'undef' -%>
+ lastaction
+  <%= lastaction %>
+ endscript
+<% end -%>
+}