From cc204641cf7a9dfaca6d30348ce1f28e685e7639 Mon Sep 17 00:00:00 2001
From: mssonicbld <79238446+mssonicbld@users.noreply.github.com>
Date: Tue, 8 Aug 2023 00:51:35 +0800
Subject: [PATCH] [YANG] add yang model for `MUX_LINKMGR|MUXLOGGER` (#15884)
 (#16021)

Add yang model for MUX_LINKMGR|MUXLOGGER.

Co-authored-by: Jing Zhang <zhangjing@microsoft.com>
---
 src/sonic-yang-models/doc/Configuration.md        |  3 +++
 .../tests/files/sample_config_db.json             |  3 +++
 .../tests/yang_model_tests/tests/mux-linkmgr.json |  3 +++
 .../tests_config/mux-linkmgr.json                 | 10 ++++++++++
 .../yang-models/sonic-mux-linkmgr.yang            | 15 +++++++++++++++
 5 files changed, 34 insertions(+)

diff --git a/src/sonic-yang-models/doc/Configuration.md b/src/sonic-yang-models/doc/Configuration.md
index a1fdfc13a2..48bf4b543e 100644
--- a/src/sonic-yang-models/doc/Configuration.md
+++ b/src/sonic-yang-models/doc/Configuration.md
@@ -1164,6 +1164,9 @@ The **MUX_LINKMGR** table is used for dualtor device configuration.
             "use_well_known_mac": "enabled",
             "src_mac": "ToRMac",
             "interval_pck_loss_count_update": "3"
+        },
+        "MUXLOGGER": {
+            "log_verbosity": "debug"
         }
     }
 }
diff --git a/src/sonic-yang-models/tests/files/sample_config_db.json b/src/sonic-yang-models/tests/files/sample_config_db.json
index c28eab35ac..b4a7735c56 100644
--- a/src/sonic-yang-models/tests/files/sample_config_db.json
+++ b/src/sonic-yang-models/tests/files/sample_config_db.json
@@ -1837,6 +1837,9 @@
                 "use_well_known_mac": "enabled",
                 "src_mac": "ToRMac",
                 "interval_pck_loss_count_update": "3"
+            },
+            "MUXLOGGER": {
+                "log_verbosity": "debug"
             }
         },
 
diff --git a/src/sonic-yang-models/tests/yang_model_tests/tests/mux-linkmgr.json b/src/sonic-yang-models/tests/yang_model_tests/tests/mux-linkmgr.json
index 3f399eec76..6358ec5e6e 100644
--- a/src/sonic-yang-models/tests/yang_model_tests/tests/mux-linkmgr.json
+++ b/src/sonic-yang-models/tests/yang_model_tests/tests/mux-linkmgr.json
@@ -4,5 +4,8 @@
     },
     "MUX_LINKMGR_LINK_PROBER_CHANGE_MAC_ADDR": {
         "desc": "Use well-known mac and vlan mac as dst/src in linkmgrd link prober. "
+    },
+    "MUX_LINKMGR_MUXLOGGER_CHANGE_VERBOSITY_LEVEL": {
+        "desc": "Consume verbosity level config changes. "
     }
 }
\ No newline at end of file
diff --git a/src/sonic-yang-models/tests/yang_model_tests/tests_config/mux-linkmgr.json b/src/sonic-yang-models/tests/yang_model_tests/tests_config/mux-linkmgr.json
index 2210c16936..c57a2c297b 100644
--- a/src/sonic-yang-models/tests/yang_model_tests/tests_config/mux-linkmgr.json
+++ b/src/sonic-yang-models/tests/yang_model_tests/tests_config/mux-linkmgr.json
@@ -22,5 +22,15 @@
                     }
             }
         }
+    },
+    "MUX_LINKMGR_MUXLOGGER_CHANGE_VERBOSITY_LEVEL": {
+        "sonic-mux-linkmgr:sonic-mux-linkmgr": {
+            "sonic-mux-linkmgr:MUX_LINKMGR": {
+                "sonic-mux-linkmgr:MUXLOGGER": 
+                    {
+                        "log_verbosity": "debug"
+                    }
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/src/sonic-yang-models/yang-models/sonic-mux-linkmgr.yang b/src/sonic-yang-models/yang-models/sonic-mux-linkmgr.yang
index 93e605ea8e..a310cebf41 100644
--- a/src/sonic-yang-models/yang-models/sonic-mux-linkmgr.yang
+++ b/src/sonic-yang-models/yang-models/sonic-mux-linkmgr.yang
@@ -83,6 +83,21 @@ module sonic-mux-linkmgr {
                     description "The frequency of streaming ICMP heartbeat loss data to telemetry. ";
                 }
             }
+
+            container MUXLOGGER {
+
+                leaf log_verbosity {
+                    type enumeration {
+                        enum trace;
+                        enum debug;
+                        enum info;
+                        enum error;
+                        enum fatal;
+                    }
+
+                    description "Linkmgrd log verbosity level. ";
+                }
+            }
         }
     }
 }
\ No newline at end of file