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SONiC YANG model for RADIUS. (#12749)

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#### Why I did it
Added SONiC YANG model for RADIUS. 
Fixes https://github.com/sonic-net/sonic-buildimage/issues/12477 

#### How I did it
Added the RADIUS and RADIUS_SERVER tables for global and per RADIUS server configuration. RADIUS statistics reside in COUNTERS_DB and are not part of the configuration. These are not a part of this PR.

#### How to verify it
Compiled sonic_yang_mgmt-1.0-py3-none-any.whl.

#### Description for the changelog
SONiC YANG model for RADIUS.
This commit is contained in:
shdasari 2023-01-12 06:12:24 +05:30 committed by GitHub
parent 21e507e22b
commit 97161aeadb
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23
src/sonic-yang-models/doc/Configuration.md
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@ -65,6 +65,7 @@ Table of Contents
* [WRED_PROFILE](#wred_profile)
* [PASSWORD_HARDENING](#password_hardening)
* [SYSTEM_DEFAULTS table](#systemdefaults-table)
* [RADIUS](#radius)
* [For Developers](#for-developers)
* [Generating Application Config by Jinja2 Template](#generating-application-config-by-jinja2-template)
* [Incremental Configuration by Subscribing to ConfigDB](#incremental-configuration-by-subscribing-to-configdb)
@ -1969,6 +1970,28 @@ The default value of flags in `SYSTEM_DEFAULTS` table can be set in `init_cfg.js
If the values in `config_db.json` is changed by user, it will not be rewritten back by `init_cfg.json` as `config_db.json` is loaded after `init_cfg.json` in [docker_image_ctl.j2](https://github.com/Azure/sonic-buildimage/blob/master/files/build_templates/docker_image_ctl.j2)
For the flags that can be changed by reconfiguration, we can update entries in `minigraph.xml`, and parse the new values in to config_db with minigraph parser at reloading minigraph. If there are duplicated entries in `init_cfg.json` and `minigraph.xml`, the values in `minigraph.xml` will overwritten the values defined in `init_cfg.json`.
### RADIUS
The RADIUS and RADIUS_SERVER tables define RADIUS configuration parameters. RADIUS table carries global configuration while RADIUS_SERVER table carries per server configuration.
```
"RADIUS": {
"global": {
"auth_type": "pap",
"timeout": "5"
}
}
"RADIUS_SERVER": {
"192.168.1.2": {
"priority": "4",
"retransmit": "2",
"timeout": "5"
}
}
```
#### 5.2.3 Update value directly in db memory
For Developers

1
src/sonic-yang-models/setup.py
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@ -145,6 +145,7 @@ setup(
'./yang-models/sonic-syslog.yang',
'./yang-models/sonic-system-aaa.yang',
'./yang-models/sonic-system-tacacs.yang',
'./yang-models/sonic-system-radius.yang',
'./yang-models/sonic-telemetry.yang',
'./yang-models/sonic-tunnel.yang',
'./yang-models/sonic-types.yang',

13
src/sonic-yang-models/tests/files/sample_config_db.json
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@ -1349,6 +1349,19 @@
"timeout": "10"
}
},
"RADIUS": {
"global": {
"auth_type": "pap",
"timeout": "5"
}
},
"RADIUS_SERVER": {
"192.168.1.2": {
"priority": "4",
"retransmit": "2",
"timeout": "5"
}
},
"NAT_BINDINGS": {
"bind1": {
"nat_pool": "pool1",

36
src/sonic-yang-models/tests/yang_model_tests/tests/radius.json Normal file
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@ -0,0 +1,36 @@
{
"RADIUS_TEST": {
"desc": "RADIUS global configuration in the RADIUS table."
},
"RADIUS_INVALID_SRC_IP_TEST": {
"desc": "Radius global configuration with invalid Src IP value in RADIUS table.",
"eStr": "InvalidValue"
},
"RADIUS_INVALID_TIMEOUT_TEST": {
"desc": "Radius global configuration with invalid timeout in RADIUS table.",
"eStr": "RADIUS timeout must be 1..60."
},
"RADIUS_SERVER_TEST" : {
"desc": "Radius server configuration in RADIUS_SERVER table."
},
"RADIUS_SERVER_INVALID_PRIORITY_TEST": {
"desc": "Radius server configuration with invalid priority value in RADIUS_SERVER table.",
"eStr": "RADIUS priority must be 1..64."
},
"RADIUS_SERVER_INVALID_TIMEOUT_TEST" : {
"desc": "Radius server configuration with invalid timeout value in RADIUS_SERVER table.",
"eStr": "RADIUS timeout must be 1..60."
},
"RADIUS_SERVER_INVALID_RETRANSMIT_TEST" : {
"desc": "Radius server configuration with invalid retransmit value in RADIUS_SERVER table.",
"eStr": "RADIUS retransmit must be 0..10."
},
"RADIUS_SERVER_INVALID_AUTH_TYPE_TEST" : {
"desc": "Radius server configuration with invalid auth type in RADIUS_SERVER table.",
"eStrKey": "InvalidValue"
},
"RADIUS_SERVER_INVALID_VRF_TEST" : {
"desc": "Radius server configuration with invalid VRF in RADIUS_SERVER table.",
"eStr": "Invalid VRF name"
}
}

139
src/sonic-yang-models/tests/yang_model_tests/tests_config/radius.json Normal file
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@ -0,0 +1,139 @@
{
"RADIUS_TEST": {
"sonic-system-radius:sonic-system-radius": {
"sonic-system-radius:RADIUS": {
"global": {
"auth_type": "chap",
"timeout": 5,
"passkey": "brcm123"
}
}
}
},
"RADIUS_INVALID_SRC_IP_TEST": {
"sonic-system-radius:sonic-system-radius": {
"sonic-system-radius:RADIUS": {
"global": {
"auth_type": "chap",
"src_ip": "INVALID"
}
}
}
},
"RADIUS_INVALID_TIMEOUT_TEST": {
"sonic-system-radius:sonic-system-radius": {
"sonic-system-radius:RADIUS": {
"global": {
"auth_type": "chap",
"timeout": 70
}
}
}
},
"RADIUS_SERVER_TEST": {
"sonic-port:sonic-port": {
"sonic-port:PORT": {
"PORT_LIST": [
{
"admin_status": "up",
"alias": "eth8",
"description": "Ethernet8",
"lanes": "65",
"mtu": 9000,
"name": "Ethernet0",
"speed": 25000
}
]
}
},
"sonic-system-radius:sonic-system-radius": {
"sonic-system-radius:RADIUS_SERVER": {
"RADIUS_SERVER_LIST": [
{
"ipaddress": "192.168.1.1",
"priority": 5,
"timeout": 6,
"auth_type": "chap",
"passkey": "brcm123",
"src_intf": "Ethernet0",
"vrf": "default"
},
{
"ipaddress": "10.10.10.10",
"priority": 2,
"timeout": 15,
"auth_type": "pap",
"passkey": "sonic_123",
"vrf": "mgmt"
}
]
}
}
},
"RADIUS_SERVER_INVALID_PRIORITY_TEST": {
"sonic-system-radius:sonic-system-radius": {
"sonic-system-radius:RADIUS_SERVER": {
"RADIUS_SERVER_LIST": [
{
"ipaddress": "192.168.1.1",
"priority": 70
}
]
}
}
},
"RADIUS_SERVER_INVALID_TIMEOUT_TEST": {
"sonic-system-radius:sonic-system-radius": {
"sonic-system-radius:RADIUS_SERVER": {
"RADIUS_SERVER_LIST": [
{
"ipaddress": "192.168.1.1",
"timeout": 70
}
]
}
}
},
"RADIUS_SERVER_INVALID_RETRANSMIT_TEST": {
"sonic-system-radius:sonic-system-radius": {
"sonic-system-radius:RADIUS_SERVER": {
"RADIUS_SERVER_LIST": [
{
"ipaddress": "192.168.1.1",
"retransmit": 20
}
]
}
}
},
"RADIUS_SERVER_INVALID_AUTH_TYPE_TEST": {
"sonic-system-radius:sonic-system-radius": {
"sonic-system-radius:RADIUS_SERVER": {
"RADIUS_SERVER_LIST": [
{
"ipaddress": "192.168.1.1",
"auth_type": "123"
}
]
}
}
},
"RADIUS_SERVER_INVALID_VRF_TEST": {
"sonic-system-radius:sonic-system-radius": {
"sonic-system-radius:RADIUS_SERVER": {
"RADIUS_SERVER_LIST": [
{
"ipaddress": "192.168.1.1",
"vrf": "Vrf1"
}
]
}
}
}
}

215
src/sonic-yang-models/yang-models/sonic-system-radius.yang Normal file
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@ -0,0 +1,215 @@
module sonic-system-radius {
namespace "http://github.com/sonic-net/sonic-system-radius";
prefix ssys;
yang-version 1.1;
import ietf-inet-types {
prefix inet;
}
import sonic-port {
prefix port;
}
import sonic-portchannel {
prefix lag;
}
// Comment sonic-vlan import here until libyang back-links issue is resolved for VLAN leaf reference.
// import sonic-vlan {
// prefix vlan;
// }
import sonic-loopback-interface {
prefix loopback;
}
import sonic-mgmt_port {
prefix mgmt-port;
}
import sonic-interface {
prefix interface;
}
description
"SONiC RADIUS";
revision 2022-11-11 {
description "Initial revision.";
}
typedef auth_type_enumeration {
type enumeration {
enum pap;
enum chap;
enum mschapv2;
}
}
container sonic-system-radius {
container RADIUS {
container global {
leaf passkey {
type string {
length "1..65";
pattern "[^ #,]*" {
error-message 'RADIUS shared secret (Valid chars are ASCII printable except SPACE, "#", and ",")';
}
}
description
'RADIUS global shared secret (Valid chars are ASCII printable except SPACE, "#", and ",")';
}
leaf auth_type {
default "pap";
type auth_type_enumeration;
description
"RADIUS global method used for authenticating the comm. mesg.";
}
leaf src_ip {
type inet:ip-address;
description
"source IP address (IPv4 or IPv6) for the outgoing RADIUS pkts.";
}
leaf nas_ip {
type inet:ip-address;
description
"NAS-IP|IPV6-Address attribute for the outgoing RADIUS pkts.";
}
leaf statistics {
type boolean;
description
"Should statistics collection be enabled/disabled";
}
leaf timeout {
default 5;
type uint16 {
range "1..60" {
error-message "RADIUS timeout must be 1..60";
}
}
}
leaf retransmit {
default 3;
type uint8 {
range "0..10" {
error-message "RADIUS retransmit must be 0..10";
}
}
}
}
}
container RADIUS_SERVER {
list RADIUS_SERVER_LIST {
key "ipaddress";
max-elements 8;
leaf ipaddress {
type inet:host;
description
"RADIUS server's Domain name or IP address (IPv4 or IPv6)";
}
leaf auth_port {
default 1812;
type inet:port-number;
description
"RADIUS authentication port number.";
}
leaf passkey {
type string {
length "1..65";
pattern "[^ #,]*" {
error-message 'RADIUS shared secret (Valid chars are ASCII printable except SPACE, "#", and ",")';
}
}
description
'RADIUS servers shared secret (Valid chars are ASCII printable except SPACE, "#", and ",")';
}
leaf auth_type {
default "pap";
type auth_type_enumeration;
description
"RADIUS server's method used for authenticating the comm. mesg.";
}
leaf priority {
type uint8 {
range "1..64" {
error-message "RADIUS priority must be 1..64";
}
}
description
"RADIUS server's priority";
}
leaf timeout {
default 5;
type uint16 {
range "1..60" {
error-message "RADIUS timeout must be 1..60";
}
}
}
leaf retransmit {
default 3;
type uint8 {
range "0..10" {
error-message "RADIUS retransmit must be 0..10";
}
}
}
leaf vrf {
type string {
pattern "mgmt|default" {
error-message "Error: Invalid VRF name";
}
}
description
"VRF name";
}
leaf src_intf {
type union {
type leafref {
path "/port:sonic-port/port:PORT/port:PORT_LIST/port:name";
}
type leafref {
path "/lag:sonic-portchannel/lag:PORTCHANNEL/lag:PORTCHANNEL_LIST/lag:name";
}
type string {
pattern 'Vlan([0-9]{1,3}|[1-3][0-9]{3}|[4][0][0-8][0-9]|[4][0][9][0-4])';
}
type leafref {
path "/loopback:sonic-loopback-interface/loopback:LOOPBACK_INTERFACE/loopback:LOOPBACK_INTERFACE_LIST/loopback:name";
}
type leafref {
path "/mgmt-port:sonic-mgmt_port/mgmt-port:MGMT_PORT/mgmt-port:MGMT_PORT_LIST/mgmt-port:name";
}
}
description "Source interface to use for RADIUS server communication.";
}
}
}
}
}