mysql::augeas

manifests/augeas.pp

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+# = Define: mysql::augeas
+#
+# Manage my.cnf through augeas
+#
+# Here's an example how to find the augeas path to a variable:
+#
+#     # augtool --noload
+#     augtool> rm /augeas/load
+#     rm : /augeas/load 781
+#     augtool> set /augeas/load/myfile/lens @MySQL
+#     augtool> set /augeas/load/myfile/incl /etc/my.cnf
+#     augtool> load
+#     augtool> print
+#     ...
+#     /files/etc/my.cnf/target = "mysqld"
+#     /files/etc/my.cnf/target/local-infile = "0"
+#     /files/etc/my.cnf/target/key_buffer = "16M"
+#     /files/etc/my.cnf/target/max_allowed_packet = "16M"
+#     ...
+#     augtool> exit
+#     #
+#
+# The value of 'target' is what you need to use as prefix
+# and the part after target is the suffix.
+#
+# == Parameters
+#
+# [*namey*]
+#   Augeas path to entry to be modified.
+#
+# [*ensure*]
+#   Standard puppet ensure variable
+#
+# [*target*]
+#   Which my.cnf manipulate. Default is $mysql::config_file
+#
+# [*value*]
+#   Value to set
+#
+# == Examples
+#
+# mysql::augeas {
+#   'mysqld/key_buffer':
+#     value  => '128M';
+#   'mysqld/max_allowed_packet':
+#     value  => '16M';
+# }
+#
+define mysql::augeas (
+  $ensure = present,
+  $target = $mysql::config_file,
+  $value  = '',
+  ) {
+
+  include mysql
+
+  $namesplit = split($name, '/')
+
+  $key = $namesplit[1]
+  $section = $namesplit[0]
+
+  $changes = $ensure ? {
+    present => [ "set target[.='${section}']/${key} '${value}'" ],
+    absent  => [ "rm target[.='${section}']/${key} " ],
+  }
+
+  augeas { "mysql_augeas-${name}":
+    incl    => $target,
+    lens    => 'MySQL.lns',
+    changes => $changes,
+    notify  => $mysql::manage_service_autorestart;
+  }
+
+}