FRR module translator demo

$ cat /tmp/ietf-rip.json
{
    "ietf-interfaces:interfaces": {
        "interface": [
            {
                "description": "Engineering",
                "name": "eth0"
            }
        ]
    },
    "ietf-routing:routing": {
        "control-plane-protocols": {
            "control-plane-protocol": [
                {
                    "ietf-rip:rip": {
                        "default-metric": "2",
                        "distance": "80",
                        "interfaces": {
                            "interface": [
                                {
                                    "interface": "eth0",
                                    "split-horizon": "poison-reverse"
                                }
                            ]
                        },
                        "originate-default-route": {
                            "enabled": "true"
                        },
                        "timers": {
                            "flush-interval": "241",
                            "holddown-interval": "181",
                            "update-interval": "31"
                        }
                    },
                    "name": "main",
                    "type": "ietf-rip:ripv2"
                }
            ]
        }
    }
}

$ telnet :: ripd
Trying ::...
Connected to ::.
Escape character is '^]'.

Hello, this is FRRouting (version 5.1-dev-g599c199-dirty).
Copyright 1996-2005 Kunihiro Ishiguro, et al.

This is a git build of frr-5.1-dev-429-gb6599c199-dirty
Associated branch(es):
        local:northbound-yang-v2


User Access Verification

Password:
ripd> en                              
ripd# conf t                                       
ripd(config)# yang module-translator load /tmp/frr-ietf-translator.json
% Module translator "ietf" loaded successfully.
              
ripd(config)# configuration load file json translate ietf /tmp/ietf-rip.json
ripd(config)# show configuration candidate json
{                                       
  "frr-interface:lib": {     
    "interface": [
      {                
        "name": "eth0",             
        "vrf": "Default-IP-Routing-Table",
        "description": "Engineering",
        "frr-ripd:rip": {
          "split-horizon": "poison-reverse"
        }
      }
    ]
  },
  "frr-ripd:ripd": {
    "instance": {
      "default-metric": 2,
      "distance": {
        "default": 80
      },
      "interface": [
        "eth0"
      ],
      "default-information-originate": true,
      "timers": {
        "flush-interval": 241,
        "holddown-interval": 181,
        "update-interval": 31
      }
    }
  }
}

ripd(config)# show configuration candidate json translate ietf
{
  "ietf-interfaces:interfaces": {
    "interface": [
      {
        "name": "eth0",
        "description": "Engineering"
      }
    ]
  },
  "ietf-routing:routing": {
    "control-plane-protocols": {
      "control-plane-protocol": [
        {
          "type": "ietf-rip:ripv2",
          "name": "main",
          "ietf-rip:rip": {
            "interfaces": {
              "interface": [
                {
                  "interface": "eth0",
                  "split-horizon": "poison-reverse"
                }
              ]
            },
            "default-metric": 2,
            "distance": 80,
            "originate-default-route": {
              "enabled": true
            },
            "timers": {
              "flush-interval": 241,
              "holddown-interval": 181,
              "update-interval": 31
            }
          }
        }
      ]
    }
  }
}
ripd(config)# commit
% Configuration committed successfully.

ripd(config)# exit
ripd# show yang module-translator
 Family  Module           Deviations                      Coverage (%)
 -----------------------------------------------------------------------
 ietf    ietf-interfaces  frr-deviations-ietf-interfaces  3.92
 ietf    ietf-routing     frr-deviations-ietf-routing     1.56
 ietf    ietf-rip         frr-deviations-ietf-rip         13.60

ripd#
ripd# show yang module           
 Flags: I - Implemented, D - Deviated

 Module              Version  Flags  Namespace
 ------------------------------------------------------------------------------------
 ietf-yang-metadata  1.0             urn:ietf:params:xml:ns:yang:ietf-yang-metadata
 yang                1.0      I      urn:ietf:params:xml:ns:yang:1
 ietf-inet-types     1.0             urn:ietf:params:xml:ns:yang:ietf-inet-types
 ietf-yang-types     1.0             urn:ietf:params:xml:ns:yang:ietf-yang-types
 ietf-datastores     1.1             urn:ietf:params:xml:ns:yang:ietf-datastores
 ietf-yang-library   1.1      I      urn:ietf:params:xml:ns:yang:ietf-yang-library
 frr-interface       1.1      I      http://frrouting.org/yang/interface
 frr-route-types     1.1             http://frrouting.org/yang/route-types
 frr-ripd            1.1      I      http://frrouting.org/yang/ripd

ripd#
ripd# show yang module module-translator ietf
 Flags: I - Implemented, D - Deviated

 Module                          Version  Flags  Namespace
 ----------------------------------------------------------------------------------------------------------
 ietf-yang-metadata              1.0             urn:ietf:params:xml:ns:yang:ietf-yang-metadata
 yang                            1.0      I      urn:ietf:params:xml:ns:yang:1
 ietf-inet-types                 1.0             urn:ietf:params:xml:ns:yang:ietf-inet-types
 ietf-yang-types                 1.0             urn:ietf:params:xml:ns:yang:ietf-yang-types
 ietf-datastores                 1.1             urn:ietf:params:xml:ns:yang:ietf-datastores
 ietf-yang-library               1.1      I      urn:ietf:params:xml:ns:yang:ietf-yang-library
 ietf-interfaces                 1.1      ID     urn:ietf:params:xml:ns:yang:ietf-interfaces
 frr-deviations-ietf-interfaces  1.1      I      http://frrouting.org/yang/frr-deviations-ietf-interfaces
 ietf-routing                    1.1      ID     urn:ietf:params:xml:ns:yang:ietf-routing
 frr-deviations-ietf-routing     1.1      I      http://frrouting.org/yang/frr-deviations-ietf-routing
 ietf-ip                         1.1             urn:ietf:params:xml:ns:yang:ietf-ip
 ietf-netconf-acm                1.0             urn:ietf:params:xml:ns:yang:ietf-netconf-acm
 ietf-key-chain                  1.1      I      urn:ietf:params:xml:ns:yang:ietf-key-chain
 iana-bfd-types                  1.1             urn:ietf:params:xml:ns:yang:iana-bfd-types
 ietf-bfd-types                  1.1             urn:ietf:params:xml:ns:yang:ietf-bfd-types
 ietf-routing-types              1.0             urn:ietf:params:xml:ns:yang:ietf-routing-types
 iana-routing-types              1.0             urn:ietf:params:xml:ns:yang:iana-routing-types
 ietf-ospf                       1.1             urn:ietf:params:xml:ns:yang:ietf-ospf
 ietf-isis                       1.0             urn:ietf:params:xml:ns:yang:ietf-isis
 ietf-rip                        1.1      ID     urn:ietf:params:xml:ns:yang:ietf-rip
 frr-deviations-ietf-rip         1.1      I      http://frrouting.org/yang/frr-deviations-ietf-rip

ripd# show yang module frr-ripd ?
  summary  Display summary information about the module
  tree     Display module in the tree (RFC 8340) format
  yang     Display module in the YANG format
  yin      Display module in the YIN format
ripd# show yang module frr-ripd tree                       
module: frr-ripd
  +--rw ripd
     +--rw instance!
     |  +--rw allow-ecmp?                      boolean <false>
     |  +--rw default-information-originate?   boolean <false>
     |  +--rw default-metric?                  uint8 <1>
     |  +--rw distance
     |  |  +--rw default?   uint8 <0>
     |  |  +--rw source* [prefix]
     |  |     +--rw prefix         ietf-inet-types:ipv4-prefix
     |  |     +--rw distance       uint8
     |  |     +--rw access-list?   string
     |  +--rw explicit-neighbor*               ietf-inet-types:ipv4-address
     |  +--rw network*                         ietf-inet-types:ipv4-prefix
     |  +--rw interface*                       string
     |  +--rw offset-list* [interface direction]
     |  |  +--rw interface      string
     |  |  +--rw direction      enumeration
     |  |  +--rw access-list    string
     |  |  +--rw metric         uint8
     |  +--rw passive-default?                 boolean <false>
     |  +--rw passive-interface*               string
     |  +--rw non-passive-interface*           string
     |  +--rw redistribute* [protocol]
     |  |  +--rw protocol     frr-route-types:frr-route-types-v4
     |  |  +--rw route-map?   string
     |  |  +--rw metric?      uint8
     |  +--rw static-route*                    ietf-inet-types:ipv4-prefix
     |  +--rw timers
     |  |  +--rw flush-interval?      uint32 <120>
     |  |  +--rw holddown-interval?   uint32 <180>
     |  |  +--rw update-interval?     uint32 <30>
     |  +--rw version
     |     +--rw receive?   enumeration <1-2>
     |     +--rw send?      enumeration <2>
     +--ro state
        +--ro neighbors
        |  +--ro neighbor* [address]
        |     +--ro address             ietf-inet-types:ipv4-address
        |     +--ro last-update?        ietf-yang-types:date-and-time
        |     +--ro bad-packets-rcvd?   ietf-yang-types:counter32
        |     +--ro bad-routes-rcvd?    ietf-yang-types:counter32
        +--ro routes
           +--ro route* [prefix]
              +--ro prefix       ietf-inet-types:ipv4-prefix
              +--ro next-hop?    ietf-inet-types:ipv4-address
              +--ro interface?   string
              +--ro metric?      uint8

  augment /frr-interface:lib/frr-interface:interface:
    +--rw rip
       +--rw split-horizon?           enumeration <simple>
       +--rw v2-broadcast?            boolean <false>
       +--rw version-receive?         enumeration <unspecified>
       +--rw version-send?            enumeration <unspecified>
       +--rw authentication-scheme
       |  +--rw mode?              enumeration <none>
       |  +--rw md5-auth-length?   enumeration <20>
       +--rw (authentication-data)?
          +--:(authentication-password)
          |  +--rw authentication-password?   string
          +--:(authentication-key-chain)
             +--rw authentication-key-chain?   string

  rpcs:
    +---x clear-rip-route

  notifications:
    +---n authentication-type-failure
    |  +--ro interface-name?   string
    |  +--ro raw-pdu?          binary
    +---n authentication-failure
       +--ro interface-name?   string
       +--ro raw-pdu?          binary

ripd# show yang module module-translator ietf ietf-rip tree
module: ietf-rip

  augment /ietf-routing:routing/ietf-routing:control-plane-protocols/ietf-routing:control-plane-protocol:
    +--rw rip
       +--rw originate-default-route
       |  +--rw enabled?   boolean <false>
       +--rw default-metric?            uint8 <1>
       +--rw distance?                  uint8 <0>
       +--rw timers
       |  +--rw update-interval?     uint16 <30>
       |  +--rw holddown-interval?   uint16 <180>
       |  +--rw flush-interval?      uint16 <120>
       +--rw interfaces
       |  +--rw interface* [interface]
       |     +--rw interface        ietf-interfaces:interface-ref
       |     +--rw split-horizon?   enumeration <simple>
       +--ro ipv4
          +--ro neighbors
          |  +--ro neighbor* [ipv4-address]
          |     +--ro ipv4-address        ietf-inet-types:ipv4-address
          |     +--ro last-update?        ietf-yang-types:date-and-time
          |     +--ro bad-packets-rcvd?   ietf-yang-types:counter32
          |     +--ro bad-routes-rcvd?    ietf-yang-types:counter32
          +--ro routes
             +--ro route* [ipv4-prefix]
                +--ro ipv4-prefix    ietf-inet-types:ipv4-prefix
                +--ro next-hop?      ietf-inet-types:ipv4-address
                +--ro interface?     ietf-interfaces:interface-ref
                +--ro metric?        uint8

  rpcs:
    +---x clear-rip-route
       +---- input