First version. Simple strftime function to use within Puppet DSL.

Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>

diff --git a/strftime.rb b/strftime.rb
new file mode 100644 (file)
index 0000000..b3cd6a6
--- /dev/null
+++ b/strftime.rb
@@ -0,0 +1,43 @@
+#
+# strftime.rb
+#
+
+module Puppet::Parser::Functions
+  newfunction(:strftime, :type => :rvalue, :doc => <<-EOS
+    EOS
+  ) do |arguments|
+
+    # Technically we support two arguments but only first is mandatory ...
+    raise(Puppet::ParseError, "strftime(): Wrong number of arguments " +
+      "given (#{arguments.size} for 1)") if arguments.size < 1
+
+    format = arguments[0]
+
+    raise(Puppet::ParseError, 'strftime(): You must provide ' +
+      'format for evaluation') if format.empty?
+
+    # The Time Zone argument is optional ...
+    time_zone = arguments[1] if arguments[1]
+
+    time = Time.new
+
+    if time_zone and not time_zone.empty?
+      original_zone = ENV['TZ']
+
+      local_time = time.clone
+      local_time = local_time.utc
+
+      ENV['TZ'] = time_zone
+
+      time = local_time.localtime
+
+      ENV['TZ'] = original_zone
+    end
+
+    result = time.strftime(format)
+
+    return result
+  end
+end
+
+# vim: set ts=2 sw=2 et :