[Sonic yang models]: Added the sonic yang models for acl, port, portchannel, vlan, vrf, interface etc

dockers/docker-sonic-mgmt-framework/rest-server.sh

@@ -46,7 +46,5 @@ echo "REST_SERVER_ARGS = $REST_SERVER_ARGS"
 
 
 export CVL_SCHEMA_PATH=/usr/sbin/schema
-export LIBYANG_EXTENSIONS_PLUGINS_DIR=/usr/lib/x86_64-linux-gnu/libyang/extensions
-export LIBYANG_USER_TYPES_PLUGINS_DIR=/usr/lib/x86_64-linux-gnu/libyang/user_types
 
 exec /usr/sbin/rest_server ${REST_SERVER_ARGS}

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

@@ -0,0 +1,231 @@
+module sonic-acl {
+	namespace "http://github.com/Azure/sonic-acl";
+	prefix sacl;
+	yang-version 1.1;
+
+	import ietf-inet-types {
+		prefix inet;
+	}
+
+	import sonic-common {
+		prefix cmn;
+	}
+
+	import sonic-extension {
+		prefix sonic-ext;
+	}
+
+	import sonic-port {
+		prefix prt;
+	}
+
+	import sonic-mirror-session {
+		prefix sms;
+	}
+
+	organization
+		"SONiC";
+
+	contact
+		"SONiC";
+
+	description
+		"SONIC ACL";
+
+	revision 2019-05-15 {
+		description
+			"Initial revision.";
+	}
+
+	container sonic-acl {
+
+		container ACL_TABLE {
+
+			list ACL_TABLE_LIST {
+				key "aclname";
+				max-elements 1024; // Max 1K ACL tables for all platforms
+				sonic-ext:custom-validation ValidateMaxAclTable;
+
+				leaf aclname {
+					type string {
+						pattern '[a-zA-Z0-9]{1}([-a-zA-Z0-9_]{0,71})';
+						length 1..72;
+					}
+				}
+
+				leaf policy_desc {
+					type string {
+						length 1..255 {
+							error-app-tag policy-desc-invalid-length;
+						}
+					}
+				}
+
+				leaf stage {
+					type enumeration {
+						enum INGRESS;
+						enum EGRESS;
+					}
+				}
+
+				leaf type {
+					type enumeration {
+						enum MIRROR;
+						enum L2;
+						enum L3;
+						enum L3V6;
+					}
+				}
+
+				leaf-list ports {
+					type leafref {
+						path "/prt:sonic-port/prt:PORT/prt:PORT_LIST/prt:ifname";
+					}
+				}
+			}
+		}
+
+		container ACL_RULE {
+
+			list ACL_RULE_LIST { 
+				key "aclname rulename";
+				max-elements 65536; // Max 64K ACL rules for all platforms
+
+				leaf aclname {
+					type leafref {
+						path "../../../ACL_TABLE/ACL_TABLE_LIST/aclname";
+					}
+					must "(/cmn:operation/cmn:operation != 'DELETE') or " +
+						"count(current()/../../../ACL_TABLE/ACL_TABLE_LIST[aclname=current()]/ports) = 0" {
+							error-message "Ports are already bound to this rule.";
+						}
+				} 
+
+				leaf rulename {
+					type string;
+				}
+
+				leaf PRIORITY {
+					type uint16 {
+						range "1..65535"{
+							error-message "Invalid ACL rule priority.";
+					}
+					}
+				}
+
+				leaf RULE_DESCRIPTION {
+					type string;
+				}
+
+				leaf PACKET_ACTION {
+					type enumeration {
+						enum FORWARD;
+						enum DROP;
+						enum REDIRECT;
+						enum INT_INSERT;
+						enum INT_DELETE;
+					}
+				}
+
+				leaf MIRROR_ACTION {
+					type leafref {
+						path "/sms:sonic-mirror-session/sms:MIRROR_SESSION/sms:MIRROR_SESSION_LIST/sms:name";
+					}
+				}
+
+				leaf IP_TYPE {
+					sonic-ext:custom-validation ValidateAclRuleIPAddress;
+					type enumeration {
+						enum ANY;
+						enum IP;
+						enum IPV4;
+						enum IPV4ANY;
+						enum NON_IPV4;
+						enum IPV6ANY;
+						enum NON_IPV6;
+					}
+				}
+
+				leaf IP_PROTOCOL {
+					type uint8 {
+						range "1|2|6|17|46|47|51|103|115";
+					}
+				}
+
+				leaf ETHER_TYPE {
+					type string {
+						pattern "(0x88CC)|(0x8100)|(0x8915)|(0x0806)|(0x0800)|(0x86DD)|(0x8847)" {
+							error-message "Invalid ACL Rule Ether Type";
+							error-app-tag ether-type-invalid;
+						}
+					}
+				}
+
+				choice ip_src_dst {
+					case ipv4_src_dst {
+						when "boolean(IP_TYPE[.='ANY' or .='IP' or .='IPV4' or .='IPV4ANY'])";
+						leaf SRC_IP {
+							mandatory true;
+							type inet:ipv4-prefix;
+						}
+						leaf DST_IP {
+							mandatory true;
+							type inet:ipv4-prefix;
+						}
+					}
+					case ipv6_src_dst {
+						when "boolean(IP_TYPE[.='ANY' or .='IP' or .='IPV6' or .='IPV6ANY'])";
+						leaf SRC_IPV6 {
+							mandatory true;
+							type inet:ipv6-prefix;    
+						}
+						leaf DST_IPV6 {
+							mandatory true;
+							type inet:ipv6-prefix;    
+						}
+					}
+				}
+
+				choice src_port {
+					case l4_src_port {
+						leaf L4_SRC_PORT {
+							type uint16;
+						}
+					}
+					case l4_src_port_range {
+						leaf L4_SRC_PORT_RANGE {
+							type string {
+								pattern "[0-9]{1,5}(-)[0-9]{1,5}";
+							}
+						}
+					}
+				}
+
+				choice dst_port {
+					case l4_dst_port {
+						leaf L4_DST_PORT {
+							type uint16;
+						}
+					}
+					case l4_dst_port_range {
+						leaf L4_DST_PORT_RANGE {
+							type string {
+								pattern "[0-9]{1,5}(-)[0-9]{1,5}";
+							}
+						}
+					}
+				}
+
+				leaf TCP_FLAGS { 
+					type string {
+						pattern "0[xX][0-9a-fA-F]{2}[/]0[xX][0-9a-fA-F]{2}";
+					}
+				}
+
+				leaf DSCP { 
+					type uint8;
+				}
+			}
+		}
+	}
+}

src/sonic-yang-models/sonic-common.yang

@@ -0,0 +1,50 @@
+module sonic-common {
+    namespace "http://github.com/Azure/sonic-common";
+    prefix scommon;
+
+    organization
+        "SONiC";
+
+    contact
+        "SONiC";
+
+    description
+        "SONIC Common";
+
+    revision 2019-05-15 {
+        description
+            "Initial revision.";
+    }
+
+    typedef tagging_mode {
+        type enumeration {
+            enum untagged;
+            enum tagged;
+            enum priority_tagged;
+        }
+    }
+
+    typedef admin-status {
+        type enumeration {
+            enum up;
+            enum down;
+        }
+    }
+
+    typedef oper-status {
+        type enumeration {
+            enum up;
+            enum down;
+        }
+    }
+
+    container operation {
+	    leaf operation {
+		    type enumeration {
+			    enum CREATE;
+			    enum UPDATE;
+			    enum DELETE;
+		    }
+	    }
+    }
+}

src/sonic-yang-models/sonic-extension.yang

@@ -0,0 +1,56 @@
+
+module sonic-extension {
+	namespace "http://github.com/Azure/sonic-extension";
+	prefix sonic-ext;
+
+	organization
+		"SONiC";
+
+	contact
+		"SONiC";
+
+	description
+		"SONIC Extension";
+
+	revision 2019-09-18 {
+		description
+			"Initial revision.";
+	}
+
+	extension db-name {
+		description
+			"DB name, e.g. APPL_DB, CONFIG_DB";
+		argument "value";
+	}
+
+	extension key-delim {
+		description
+			"Key delimeter, e.g. - |, :";
+		argument "value";
+	}
+
+	extension key-pattern {
+		description
+			"Key pattern, e.g. - ACL_RULE|{aclname}|{rulename}";
+		argument "value";
+	}
+
+	extension map-list {
+		description
+			"If it is a map list";
+		argument "value";
+	}
+
+	extension map-leaf {
+		description
+			"Map leaf names";
+		argument "value";
+	}
+
+	extension custom-validation {
+		description
+			"Extension for custom validation. 
+			 Platform specific validation can be implemented using custom validation.";
+		argument "handler"; 
+	}
+}