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add Tunnel yang model (#12232)

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#### Why I did it
Add yang model for TUNNEL config
#### How I did it
created sonic-tunnel.yang file and tests
#### How to verify it
`make target/python-wheels/bullseye/sonic_yang_models-1.0-py3-none-any.whl`

#### Link to config_db schema for YANG module changes
https://github.com/sonic-net/sonic-buildimage/blob/master/src/sonic-yang-models/doc/Configuration.md#tunnel
This commit is contained in:
Nikola Dancejic 2022-12-29 17:12:25 -08:00 committed by GitHub
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56
src/sonic-yang-models/doc/Configuration.md
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@ -54,6 +54,7 @@ Table of Contents
* [TC to Priority group map](#tc-to-priority-group-map)
* [TC to Queue map](#tc-to-queue-map)
* [Telemetry](#telemetry)
* [Tunnel](#tunnel)
* [Versions](#versions)
* [VLAN](#vlan)
* [VLAN_MEMBER](#vlan_member)
@ -1594,6 +1595,61 @@ Container side configuration:
}
```
### Tunnel
This table configures the MUX tunnel for Dual-ToR setup
```
{
"TUNNEL": {
"MuxTunnel0": {
"dscp_mode": "uniform",
"dst_ip": "10.1.0.32",
"ecn_mode": "copy_from_outer",
"encap_ecn_mode": "standard",
"ttl_mode": "pipe",
"tunnel_type": "IPINIP"
}
}
}
```
different example for configuring MUX tunnel
```
{
"TUNNEL": {
"MuxTunnel0": {
"dscp_mode": "pipe",
"dst_ip": "10.1.0.32",
"ecn_mode": "standard",
"encap_ecn_mode": "standard",
"ttl_mode": "uniform",
"tunnel_type": "IPINIP"
}
}
}
```
example mux tunnel configuration for when tunnel_qos_remap is enabled
```
{
"TUNNEL": {
"MuxTunnel0": {
"tunnel_type": "IPINIP",
"src_ip": "10.1.0.33",
"dst_ip": "10.1.0.32",
"dscp_mode": "pipe",
"encap_ecn_mode": "standard",
"ecn_mode": "copy_from_outer",
"ttl_mode": "uniform",
"decap_dscp_to_tc_map": "DecapDscpToTcMap",
"decap_tc_to_pg_map": "DecapTcToPgMap",
"encap_tc_to_dscp_map": "EncapTcToQueueMap",
"encap_tc_to_queue_map": "EncapTcToDscpMap"
}
}
}
```
### Versions
This table is where the curret version of the software is recorded.

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

45
src/sonic-yang-models/tests/files/sample_config_db.json
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@ -1144,14 +1144,45 @@
"TELEMETRY": {
"certs": {
"ca_crt": "/etc/sonic/telemetry/dsmsroot.cer",
"server_crt": "/etc/sonic/telemetry/streamingtelemetryserver.cer",
"server_key": "/etc/sonic/telemetry/streamingtelemetryserver.key"
"server_crt": "/etc/sonic/telemetry/streamingtelemetryserver.cer",
"server_key": "/etc/sonic/telemetry/streamingtelemetryserver.key"
},
"gnmi": {
"client_auth": "true",
"log_level": "2",
"port": "50051"
}
"gnmi": {
"client_auth": "true",
"log_level": "2",
"port": "50051"
}
},
"TUNNEL": {
"MuxTunnel0": {
"dscp_mode": "uniform",
"dst_ip": "10.1.0.32",
"ecn_mode": "copy_from_outer",
"encap_ecn_mode": "standard",
"ttl_mode": "pipe",
"tunnel_type": "IPINIP"
},
"MuxTunnel1": {
"dscp_mode": "pipe",
"dst_ip": "10.1.0.32",
"ecn_mode": "standard",
"encap_ecn_mode": "standard",
"ttl_mode": "uniform",
"tunnel_type": "IPINIP"
},
"MuxTunnel2": {
"tunnel_type": "IPINIP",
"src_ip": "10.1.0.33",
"dst_ip": "10.1.0.32",
"dscp_mode": "pipe",
"encap_ecn_mode": "standard",
"ecn_mode": "copy_from_outer",
"ttl_mode": "uniform",
"decap_dscp_to_tc_map": "Dscp_to_tc_map1",
"decap_tc_to_pg_map": "tc_to_pg_map1",
"encap_tc_to_dscp_map": "EncapTcToQueueMap",
"encap_tc_to_queue_map": "tc_to_q_map1"
}
},
"RESTAPI": {
"certs": {

18
src/sonic-yang-models/tests/yang_model_tests/tests/tunnel.json Normal file
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@ -0,0 +1,18 @@
{
"TUNNEL_LOAD_NORMAL": {
"desc": "Load TUNNEL for dualtor device."
},
"TUNNEL_INVALID_ADDR": {
"desc": "Load TUNNEL with invalid IPv4 Address.",
"eStr": ["does not satisfy the constraint"]
},
"TUNNEL_SRC_IP_NOT_PEER_SWITCH": {
"desc": "Load TUNNEL with wrong IPv4 Address.",
"eStr": ["points to a non-existing leaf."]
},
"TUNNEL_MISSING_MUX_TUNNEL": {
"desc": "Load MUX_TUNNEL missing name.",
"eStr": ["Missing required element"]
}
}

143
src/sonic-yang-models/tests/yang_model_tests/tests_config/tunnel.json Normal file
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@ -0,0 +1,143 @@
{
"TUNNEL_LOAD_NORMAL": {
"sonic-peer-switch:sonic-peer-switch": {
"sonic-peer-switch:PEER_SWITCH": {
"PEER_SWITCH_LIST": [
{
"peer_switch": "vlab-05",
"address_ipv4": "10.1.0.33"
}
]
}
},
"sonic-dscp-tc-map:sonic-dscp-tc-map": {
"sonic-dscp-tc-map:DSCP_TO_TC_MAP": {
"DSCP_TO_TC_MAP_LIST": [
{
"name": "DecapDscpToTcMap",
"DSCP_TO_TC_MAP": [
{
"dscp": "1",
"tc": "1"
}
]
}
]
}
},
"sonic-tc-priority-group-map:sonic-tc-priority-group-map": {
"sonic-tc-priority-group-map:TC_TO_PRIORITY_GROUP_MAP": {
"TC_TO_PRIORITY_GROUP_MAP_LIST": [
{
"name": "DecapTcToPgMap",
"TC_TO_PRIORITY_GROUP_MAP": [
{
"tc": "1",
"pg": "1"
}
]
}
]
}
},
"sonic-tc-queue-map:sonic-tc-queue-map": {
"sonic-tc-queue-map:TC_TO_QUEUE_MAP": {
"TC_TO_QUEUE_MAP_LIST": [
{
"name": "EncapTcToQueueMap",
"TC_TO_QUEUE_MAP": [
{
"tc": "1",
"qindex": "1"
}
]
}
]
}
},
"sonic-tunnel:sonic-tunnel": {
"sonic-tunnel:TUNNEL": {
"TUNNEL_LIST": [
{
"mux_tunnel": "MuxTunnel0",
"dscp_mode": "pipe",
"src_ip": "10.1.0.33",
"dst_ip": "10.1.0.32",
"ecn_mode": "standard",
"encap_ecn_mode": "standard",
"ttl_mode": "pipe",
"tunnel_type": "IPINIP",
"decap_dscp_to_tc_map": "DecapDscpToTcMap",
"decap_tc_to_pg_map": "DecapTcToPgMap",
"encap_tc_to_dscp_map": "EncapTcToDscpMap",
"encap_tc_to_queue_map": "EncapTcToQueueMap"
}
]
}
}
},
"TUNNEL_INVALID_ADDR": {
"sonic-tunnel:sonic-tunnel": {
"sonic-tunnel:TUNNEL": {
"TUNNEL_LIST": [
{
"mux_tunnel": "MuxTunnel0",
"dscp_mode": "pipe",
"dst_ip": "10.1.0.33/32",
"ecn_mode": "standard",
"encap_ecn_mode": "standard",
"ttl_mode": "pipe",
"tunnel_type": "IPINIP"
}
]
}
}
},
"TUNNEL_SRC_IP_NOT_PEER_SWITCH": {
"sonic-peer-switch:sonic-peer-switch": {
"sonic-peer-switch:PEER_SWITCH": {
"PEER_SWITCH_LIST": [
{
"peer_switch": "vlab-05",
"address_ipv4": "10.1.0.33"
}
]
}
},
"sonic-tunnel:sonic-tunnel": {
"sonic-tunnel:TUNNEL": {
"TUNNEL_LIST": [
{
"mux_tunnel": "MuxTunnel0",
"dscp_mode": "pipe",
"dst_ip": "10.1.0.32",
"src_ip": "10.1.0.32",
"ecn_mode": "standard",
"encap_ecn_mode": "standard",
"ttl_mode": "pipe",
"tunnel_type": "IPINIP"
}
]
}
}
},
"TUNNEL_MISSING_MUX_TUNNEL": {
"sonic-tunnel:sonic-tunnel": {
"sonic-tunnel:TUNNEL": {
"TUNNEL_LIST": [
{
"dscp_mode": "pipe",
"dst_ip": "10.1.0.32",
"ecn_mode": "standard",
"encap_ecn_mode": "standard",
"ttl_mode": "pipe",
"tunnel_type": "IPINIP"
}
]
}
}
}
}

122
src/sonic-yang-models/yang-models/sonic-tunnel.yang Normal file
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@ -0,0 +1,122 @@
module sonic-tunnel {
yang-version 1.1;
namespace "http://github.com/sonic-net/sonic-tunnel";
prefix tunnel;
import ietf-inet-types {
prefix inet;
}
import sonic-peer-switch {
prefix ps;
}
import sonic-dscp-tc-map {
prefix dtm;
}
import sonic-tc-priority-group-map {
prefix tpgm;
}
import sonic-tc-queue-map {
prefix tqm;
}
organization
"SONiC";
contact
"SONiC";
description
"SONiC DualToR tunnel data";
revision 2022-08-23 {
description
"Initial revision";
}
container sonic-tunnel {
container TUNNEL {
description "TUNNEL configuration for SONiC Dual-ToR";
list TUNNEL_LIST {
key "mux_tunnel";
leaf mux_tunnel {
description "Name of MuxTunnel";
type string {
pattern "MuxTunnel[0-9]+";
}
}
leaf dscp_mode {
description "DSCP mode";
type string {
pattern "uniform|pipe";
}
}
leaf src_ip {
description "source IPv4 address off the tunnel. Must be SONiC DualToR peer IPv4 address.";
type leafref {
path "/ps:sonic-peer-switch/ps:PEER_SWITCH/ps:PEER_SWITCH_LIST/ps:address_ipv4";
}
}
leaf dst_ip {
description "IPv4 address of this switch.";
type inet:ipv4-address;
}
leaf ecn_mode {
description "ECN mode";
type string {
pattern "copy_from_outer|standard";
}
}
leaf encap_ecn_mode {
description "Encap ECN mode";
type string {
pattern "standard";
}
}
leaf ttl_mode {
description "TTL mode";
type string {
pattern "uniform|pipe";
}
}
leaf tunnel_type {
description "Tunnel type";
type string {
pattern "IPINIP";
}
}
leaf decap_dscp_to_tc_map {
description "Decap DSCP to TC map";
type string;
}
leaf decap_tc_to_pg_map {
description "Decap TC to PG map";
type string;
}
leaf encap_tc_to_dscp_map {
description "Encap TC to DSCP map";
type string;
}
leaf encap_tc_to_queue_map {
description "Encap TC to Queue map";
type string;
}
}
}
}
}