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-rw-r--r--lib/puppet/parser/functions/vpp_physnet_mapping.rb21
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/vpp_physnet_mapping.rb b/lib/puppet/parser/functions/vpp_physnet_mapping.rb
new file mode 100644
index 0000000..1c86a23
--- /dev/null
+++ b/lib/puppet/parser/functions/vpp_physnet_mapping.rb
@@ -0,0 +1,21 @@
+module Puppet::Parser::Functions
+ newfunction(:vpp_physnet_mapping, :type => :rvalue, :doc => "Convert VPP ML2 physnet mapping from kernel nic name (eth1) to VPP name (GigabitEthernet0/7/0).") do |arg|
+ mapping_list = arg[0]
+ mapping_list.map! do |item|
+ mapping = item.split(':')
+ unless mapping.length == 2
+ raise Puppet::ParseError, "Invalid physnet mapping format: #{item}. Expecting 'physnet:interface_name'"
+ end
+ if defined? call_function
+ vpp_int = call_function('hiera', [mapping[1]])
+ else
+ vpp_int = function_hiera([mapping[1]])
+ end
+ if vpp_int.to_s.strip.empty?
+ raise Puppet::ParseError, "VPP interface mapped to #{mapping[1]} is not found."
+ end
+ mapping[0]+':'+vpp_int
+ end
+ return mapping_list.join(',')
+ end
+end