From f9c078f907b7aec9e52d1402a0ddf13e1fbf2f30 Mon Sep 17 00:00:00 2001
From: sonic-otn <zhengweitang.zwt@alibaba-inc.com>
Date: Thu, 11 Jan 2024 18:30:23 +0800
Subject: [PATCH] generate otn linecards configuration at boot time and set bgp
 service as global service on otn platform

---
 files/build_templates/init_cfg.json.j2       |  4 +++
 files/image_config/config-setup/config-setup | 37 ++++++++++++++++++--
 2 files changed, 38 insertions(+), 3 deletions(-)

diff --git a/files/build_templates/init_cfg.json.j2 b/files/build_templates/init_cfg.json.j2
index c3e2e61f1806..63d5b3234724 100644
--- a/files/build_templates/init_cfg.json.j2
+++ b/files/build_templates/init_cfg.json.j2
@@ -74,7 +74,11 @@
         "{{feature}}": {
             "state": "{{state}}",
             "delayed" : {{delayed | lower()}},
+        {%- if feature in ["bgp"] and sonic_asic_platform.startswith('ot-') %}
+            "has_global_scope": true,
+        {%- else %}
             "has_global_scope": {% if feature + '.service' in installer_services.split(' ') %}true{% else %}false{% endif %},
+        {%- endif %}
 {%- if feature in ["lldp"] %}
         {%- if sonic_asic_platform.startswith('ot-') %}
             "has_per_asic_scope": "False",
diff --git a/files/image_config/config-setup/config-setup b/files/image_config/config-setup/config-setup
index a70c6c92cae5..0f5db16380f8 100755
--- a/files/image_config/config-setup/config-setup
+++ b/files/image_config/config-setup/config-setup
@@ -298,6 +298,37 @@ do_config_initialization()
     sonic-db-cli CONFIG_DB SET "CONFIG_DB_INITIALIZED" "1"
 }
 
+# Create OTN device SONiC configuration for first time bootup, it will generate global configration from init_cfg,
+# and empty configruations for other asic namespaces
+do_otn_config_initialization()
+{
+    echo "init otn configuration"
+    need_reload_config=false
+
+    cfg_file_json_list=''
+    for cfg_file in $(get_config_db_file_list); do
+        cfg_file_json=${CONFIG_DB_PATH}${cfg_file}
+        if [ ! -e  $cfg_file_json ]; then
+            need_reload_config=true
+
+            if [ ${cfg_file_json} = ${CONFIG_DB_JSON} ]; then
+                generate_config factory ${CONFIG_DB_JSON}
+            else
+                # For otn device, usr can plugin any linecard, system will generate linecard configuration 
+                # when user start to provisioning a linecard. Generate an empty configuration file by default.
+                echo "{}" > ${cfg_file_json}
+            fi
+        fi
+        cfg_file_json_list+=','$cfg_file_json
+    done
+
+    if [ x"$need_reload_config" == x"true" ]; then
+        config reload -y -n $(cfg_file_json_list)
+    fi
+
+    sonic-db-cli CONFIG_DB SET "CONFIG_DB_INITIALIZED" "1"
+}
+
 # Restore config-setup post migration hooks from a backup copy
 copy_post_migration_hooks()
 {
@@ -431,10 +462,10 @@ boot_config()
     if [[ ($NUM_ASIC -gt 1) ]]; then
         # For otn platform, do config initialization here
         if [[ $PALTFROM_ASIC = ot-* ]]; then
-            echo "init otn configuration"
-        else
-            return 0
+            do_otn_config_initialization
         fi
+
+        return 0
     fi	
 
     if [ -e /tmp/pending_config_initialization ] || [ -e  ${CONFIG_SETUP_INITIALIZATION_FLAG} ]; then