1 files changed, 69 insertions, 0 deletions
diff --git a/code/environments/production/modules/stdlib/lib/puppet/parser/functions/has_interface_with.rb b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/has_interface_with.rb
new file mode 100644
index 0000000..44005d0
--- /dev/null
+++ b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/has_interface_with.rb
@@ -0,0 +1,69 @@
+#
+# has_interface_with
+#
+module Puppet::Parser::Functions
+  newfunction(:has_interface_with, :type => :rvalue, :doc => <<-DOC
+    Returns boolean based on kind and value:
+      * macaddress
+      * netmask
+      * ipaddress
+      * network
+
+    has_interface_with("macaddress", "x:x:x:x:x:x")
+    has_interface_with("ipaddress", "127.0.0.1")    => true
+    etc.
+
+    If no "kind" is given, then the presence of the interface is checked:
+    has_interface_with("lo")                        => true
+    DOC
+             ) do |args|
+
+    raise(Puppet::ParseError, "has_interface_with(): Wrong number of arguments given (#{args.size} for 1 or 2)") if args.empty? || args.size > 2
+
+    interfaces = lookupvar('interfaces')
+
+    # If we do not have any interfaces, then there are no requested attributes
+    return false if interfaces == :undefined || interfaces.nil?
+
+    interfaces = interfaces.split(',')
+
+    if args.size == 1
+      return interfaces.member?(args[0])
+    end
+
+    kind, value = args
+
+    # Bug with 3.7.1 - 3.7.3  when using future parser throws :undefined_variable
+    # https://tickets.puppetlabs.com/browse/PUP-3597
+    factval = nil
+    begin
+      catch :undefined_variable do
+        factval = lookupvar(kind)
+      end
+    rescue Puppet::ParseError # rubocop:disable Lint/HandleExceptions : Eat the exception if strict_variables = true is set
+    end
+    if factval == value
+      return true
+    end
+
+    result = false
+    interfaces.each do |iface|
+      iface.downcase!
+      factval = nil
+      begin
+        # Bug with 3.7.1 - 3.7.3 when using future parser throws :undefined_variable
+        # https://tickets.puppetlabs.com/browse/PUP-3597
+        catch :undefined_variable do
+          factval = lookupvar("#{kind}_#{iface}")
+        end
+      rescue Puppet::ParseError # rubocop:disable Lint/HandleExceptions : Eat the exception if strict_variables = true is set
+      end
+      if value == factval
+        result = true
+        break
+      end
+    end
+
+    result
+  end
+end