Merge pull request #340 from ncharles/ust_7856/use_a_mustache_templat…

…e_from_a_string

Fixes #7856: Use a mustache template from a string

tree/30_generic_methods/file_from_string_mustache.cf

@@ -0,0 +1,49 @@
+#####################################################################################
+# Copyright 2016 Normation SAS
+#####################################################################################
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, Version 3.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+#####################################################################################
+
+# @name File from a mustache string
+# @description This is a bundle to build a file from a mustache string
+# @agent_version >=3.7
+#
+# @parameter template        String containing a template to be expanded
+# @parameter destination     Destination file
+#
+# @class_prefix file_from_string_mustache
+# @class_parameter destination
+# This bundle will define a class file_from_string_mustache_${destination}_{kept,repaired,not_ok,ok,reached}
+
+bundle agent file_from_string_mustache(template, destination)
+{
+  vars:
+    "old_class_prefix"  string => canonify("file_from_string_mustache_${destination}");
+    "promisers"          slist => { @{this.callers_promisers}, cf_null }, policy => "ifdefined";
+    "class_prefix"      string => canonify(join("_", "promisers"));
+    "args"               slist => { "${template}", "${destination}" };
+    "content"           string => string_mustache("${template}", datastate());
+
+  files:
+    "${destination}"
+      create        => "true",
+      edit_line     => insert_lines("${content}"),
+      edit_defaults => ncf_empty_select("true"),
+      classes       => classes_generic_two("${old_class_prefix}", "${class_prefix}");
+
+  methods:
+    any::
+      "report"          usebundle => _log("Build file ${destination} from string template", "${old_class_prefix}", "${class_prefix}", @{args});
+}