[action] [PR:24061] Update telemetry entry sh to support k8s start and keep compatible with systemd start flow

dockers/docker-sonic-telemetry/docker-telemetry-entry.sh

@@ -1,8 +1,44 @@
 #!/usr/bin/env bash
 
+# Control with env var launch_by, only used if container is launched via k8s
+if [[ "${launch_by:-}" == "k8s" ]]; then
+  echo "Running Part 1 because launch_by=k8s"
+
+  set -euo pipefail
+
+  # --- Create /usr/share/sonic/hwsku symlink (single-ASIC) ---
+  ENV_FILE="/etc/sonic/sonic-environment"
+  [[ -r "$ENV_FILE" ]] || { echo "ERROR: $ENV_FILE missing or unreadable."; exit 1; }
+  # shellcheck source=/dev/null
+  . "$ENV_FILE"
+  [[ -n "${PLATFORM:-}" && -n "${HWSKU:-}" ]] || { echo "ERROR: PLATFORM/HWSKU not set in $ENV_FILE."; exit 1; }
+
+  SRC_PLATFORM="/usr/share/sonic/device/${PLATFORM}"
+  [[ -e "$SRC_PLATFORM" ]] || { echo "ERROR: platform dir not found for PLATFORM=$PLATFORM."; exit 1; }
+
+  SRC_HWSKU="/usr/share/sonic/device/${PLATFORM}/${HWSKU}"
+  [[ -e "$SRC_HWSKU" ]] || { echo "ERROR: hwsku dir not found for HWSKU=$HWSKU."; exit 1; }
+
+  mkdir -p /usr/share/sonic
+
+  DST="/usr/share/sonic/platform"
+  rm -rf -- "$DST"
+  ln -s -- "$SRC_PLATFORM" "$DST"
+
+  DST="/usr/share/sonic/hwsku"
+  rm -rf -- "$DST"
+  ln -s -- "$SRC_HWSKU" "$DST"
+
+  [[ "$(readlink -f /usr/share/sonic/platform)" == "$(readlink -f "$SRC_PLATFORM")" ]] || { echo "ERROR: platform symlink verification failed."; exit 1; }
+  [[ "$(readlink -f /usr/share/sonic/hwsku)"    == "$(readlink -f "$SRC_HWSKU")"    ]] || { echo "ERROR: hwsku symlink verification failed."; exit 1; }
+else
+  echo "Skipping Part 1 (launch_by=${launch_by:-unset})"
+fi
+
+# ---check FEATURE table for switch ---
 while true; do
-  STATE=$(redis-cli -n 4 HGET "FEATURE|telemetry" state)
-  if [ "$STATE" == "enabled" ]; then
+  STATE=$(redis-cli -n 4 HGET "FEATURE|telemetry" state || true)
+  if [[ "${STATE}" == "enabled" ]]; then
     echo "Telemetry is enabled. Starting service..."
     break
   else