HONEYCOMB-229 Introduce NAT to HC

Reflects SNAT from VPP:
- 1:1 Static IPv4 mapping
- interface in/out NAT feature management

Bonus:
- Support presence containers in infra

Change-Id: Ieb38526f83edbae5e605d5c7e39bb22bbafc50e5
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

1 files changed, 64 insertions, 0 deletions

diff --git a/nat/nat-api/src/main/yang/nat-context.yang b/nat/nat-api/src/main/yang/nat-context.yang
new file mode 100644
index 000000000..dd17ed58c
--- /dev/null
+++ b/nat/nat-api/src/main/yang/nat-context.yang
@@ -0,0 +1,64 @@
+module nat-context {
+    yang-version 1;
+    namespace "urn:honeycomb:params:xml:ns:yang:nat:context";
+    prefix "nc";
+
+    description "Context for nat mapping";
+
+    revision "2016-12-14" {
+        description "Initial revision.";
+    }
+
+    import ietf-inet-types {
+       prefix "inet";
+    }
+
+    import naming-context {
+       prefix "nc";
+    }
+
+    import yang-ext {
+       prefix "ext";
+    }
+
+    grouping mapping-entry-context-attributes {
+        container nat-mapping-entry-context {
+            list nat-instance {
+                key "id";
+
+                leaf id {
+                    type uint32;
+                    description "ID of the NAT instance from ietf-nat. Maps to VRF-ID in VPP";
+                }
+
+                container mapping-table {
+                    list mapping-entry {
+
+                        key "internal external";
+                        unique "index";
+
+                        leaf internal {
+                            type inet:ip-address;
+                            description "Local IP address set in VPP";
+                        }
+
+                        leaf external {
+                            type inet:ip-address;
+                            description "Extarnal IP address set in VPP";
+                        }
+
+                        leaf index {
+                            type uint32;
+                            description "ID of the NAT's mapping entry from ietf-nat";
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    augment /nc:contexts {
+        ext:augment-identifier "nat-mapping-entry-ctx-augmentation";
+        uses mapping-entry-context-attributes;
+    }
+}
\ No newline at end of file