1 files changed, 29 insertions, 0 deletions
diff --git a/lib/puppet/functions/deprecation.rb b/lib/puppet/functions/deprecation.rb
new file mode 100644
index 0000000..39d9bc7
--- /dev/null
+++ b/lib/puppet/functions/deprecation.rb
@@ -0,0 +1,29 @@
+# Function to print deprecation warnings, Logs a warning once for a given key. The uniqueness key - can appear once. The msg is the message text including any positional information that is formatted by the user/caller of the method  It is affected by the puppet setting 'strict', which can be set to :error (outputs as an error message), :off (no message / error is displayed) and :warning (default, outputs a warning)  *Type*: String, String.
+#
+
+Puppet::Functions.create_function(:deprecation) do
+  dispatch :deprecation do
+    param 'String', :key
+    param 'String', :message
+  end
+
+  def deprecation(key, message)
+    if defined? Puppet::Pops::PuppetStack.stacktrace()
+      stacktrace = Puppet::Pops::PuppetStack.stacktrace()
+      file = stacktrace[0]
+      line = stacktrace[1]
+      message = "#{message} at #{file}:#{line}"
+    end
+    # depending on configuration setting of strict
+    case Puppet.settings[:strict]
+    when :off
+      # do nothing
+    when :error
+      fail("deprecation. #{key}. #{message}")
+    else
+      unless ENV['STDLIB_LOG_DEPRECATIONS'] == 'false'
+        Puppet.deprecation_warning(message, key)
+      end
+    end
+  end
+end