[yang]: SONiC Yang model for PORTCHANNEL_INTERFACE table (#7034)

* SONiC Yang model for PORTCHANNEL_INTERFACE table

Signed-off-by: Arthi Sivanantham <arthi_sivanantham@dell.com>

src/sonic-yang-models/tests/yang_model_tests/test_yang_model.py

@@ -65,6 +65,14 @@ class Test_yang_models:
                 'desc': 'Configure a member port in PORT_CHANNEL table.',
                 'eStr': self.defaultYANGFailure['None']
             },
+            'PORTCHANNEL_INTERFACE_IP_ADDR_TEST': {
+                'desc': 'Configure IP address on PORTCHANNEL_INTERFACE table.',
+                'eStr': self.defaultYANGFailure['None']
+            },
+            'PORTCHANNEL_INTERFACE_IP_ADDR_ON_NON_EXIST_PO': {
+                'desc': 'Configure IP address on a non existent PortChannel.',
+                'eStr': self.defaultYANGFailure['LeafRef']
+            },
             'VLAN_MEMEBER_WITH_NON_EXIST_VLAN': {
                 'desc': 'Configure vlan-id in VLAN_MEMBER table which does not exist in VLAN  table.',
                 'eStr': self.defaultYANGFailure['LeafRef']

src/sonic-yang-models/tests/yang_model_tests/yangTest.json

@@ -137,6 +137,39 @@
 		}
 	},
 
+	"PORTCHANNEL_INTERFACE_IP_ADDR_TEST": {
+		"sonic-portchannel:sonic-portchannel": {
+			"sonic-portchannel:PORTCHANNEL": {
+				"PORTCHANNEL_LIST": [{
+					"name": "PortChannel0001",
+					"admin_status": "up"
+				}]
+			},
+			"sonic-portchannel:PORTCHANNEL_INTERFACE": {
+				"PORTCHANNEL_INTERFACE_IPPREFIX_LIST": [{
+					"name": "PortChannel0001",
+					"ip_prefix": "1.1.1.1/24"
+				}]
+			}
+		}
+	},
+
+	"PORTCHANNEL_INTERFACE_IP_ADDR_ON_NON_EXIST_PO": {
+		"sonic-portchannel:sonic-portchannel": {
+			"sonic-portchannel:PORTCHANNEL": {
+				"PORTCHANNEL_LIST": [{
+					"name": "PortChannel0001"
+				}]
+			},
+			"sonic-portchannel:PORTCHANNEL_INTERFACE": {
+				"PORTCHANNEL_INTERFACE_IPPREFIX_LIST": [{
+					"name": "PortChannel0002",
+					"ip_prefix": "2.2.2.2/24"
+				}]
+			}
+		}
+	},
+
 	"PORT_CHANNEL_WRONG_PATTERN": {
 		"sonic-portchannel:sonic-portchannel": {
 			"sonic-portchannel:PORTCHANNEL": {

src/sonic-yang-models/yang-models/sonic-acl.yang

@@ -26,7 +26,6 @@ module sonic-acl {
 
 	import sonic-portchannel {
 		prefix lag;
-		revision-date 2019-07-01;
 	}
 
 	description "ACL YANG Module for SONiC OS";

src/sonic-yang-models/yang-models/sonic-portchannel.yang

@@ -22,10 +22,15 @@ module sonic-portchannel {
 
 	description "PORTCHANNEL yang Module for SONiC OS";
 
+	revision 2021-03-15 {
+		description "Add SONiC PortChannel Interface model";
+	}
+
 	revision 2019-07-01 {
 		description "First Revision";
 	}
 
+
 	container sonic-portchannel {
 		container PORTCHANNEL {
 
@@ -85,6 +90,30 @@ module sonic-portchannel {
 
 		} /* end of container PORTCHANNEL */
 
+
+		container PORTCHANNEL_INTERFACE {
+
+			description "PORTCHANNEL_INTERFACE part of config_db.json";
+
+			list PORTCHANNEL_INTERFACE_IPPREFIX_LIST {
+
+				key "name ip_prefix";
+
+				leaf name {
+					/* key elements are mandatory by default */
+					type leafref {
+						path "/lag:sonic-portchannel/lag:PORTCHANNEL/lag:PORTCHANNEL_LIST/lag:name";
+					}
+				}
+
+				leaf ip_prefix {
+					/* key elements are mandatory by default */
+					type stypes:sonic-ip-prefix;
+				}
+			} /* end of list PORTCHANNEL_INTERFACE_IPPREFIX_LIST */
+
+		} /* end of container PORTCHANNEL_INTERFACE */
+
 	} /* end of container sonic-portchannel */
 
-} /* end of module sonic-port */
+} /* end of module sonic-portchannel */

src/sonic-yang-models/yang-models/sonic-types.yang

@@ -44,6 +44,13 @@ module sonic-types {
         }
     }
 
+    typedef sonic-ip-prefix {
+      type union {
+        type sonic-ip4-prefix;
+        type sonic-ip6-prefix;
+      }
+    }
+
     typedef admin_status {
         type enumeration {
             enum up;