Use $hostname in vtadmin script as other scripts do (#13236)

Signed-off-by: Matt Lord <[email protected]>
Co-authored-by: Matt Lord <[email protected]>

examples/common/scripts/vtadmin-up.sh

@@ -11,8 +11,8 @@ vtadmin_api_port=14200
 vtadmin_web_port=14201
 
 vtadmin \
-  --addr ":${vtadmin_api_port}" \
-  --http-origin "http://localhost:${vtadmin_web_port}" \
+  --addr "${hostname}:${vtadmin_api_port}" \
+  --http-origin "http://${hostname}:${vtadmin_web_port}" \
   --http-tablet-url-tmpl "http://{{ .Tablet.Hostname }}:15{{ .Tablet.Alias.Uid }}" \
   --tracer "opentracing-jaeger" \
   --grpc-tracing \
@@ -29,23 +29,23 @@ echo ${vtadmin_api_pid} > "${log_dir}/vtadmin-api.pid"
 
 echo "\
 vtadmin-api is running!
-  - API: http://localhost:${vtadmin_api_port}
+  - API: http://${hostname}:${vtadmin_api_port}
   - Logs: ${log_dir}/vtadmin-api.out
   - PID: ${vtadmin_api_pid}
 "
 
 # Wait for vtadmin to successfully discover the cluster
 expected_cluster_result="{\"result\":{\"clusters\":[{\"id\":\"${cluster_name}\",\"name\":\"${cluster_name}\"}]},\"ok\":true}"
 for _ in {0..300}; do
-  result=$(curl -s "http://localhost:${vtadmin_api_port}/api/clusters")
+  result=$(curl -s "http://${hostname}:${vtadmin_api_port}/api/clusters")
   if [[ ${result} == "${expected_cluster_result}" ]]; then
     break
   fi
   sleep 0.1
 done
 
 # Check one last time
-[[ $(curl -s "http://localhost:${vtadmin_api_port}/api/clusters") == "${expected_cluster_result}" ]] || fail "vtadmin failed to discover the running example Vitess cluster."
+[[ $(curl -s "http://${hostname}:${vtadmin_api_port}/api/clusters") == "${expected_cluster_result}" ]] || fail "vtadmin failed to discover the running example Vitess cluster."
 
 # Download nvm and node
 if [[ -z ${NVM_DIR} ]]; then
@@ -74,7 +74,7 @@ nvm install "$NODE_VERSION" || fail "Could not install and use nvm $NODE_VERSION
 # other Vitess components.)
 npm --prefix "$web_dir" --silent install
 
-VITE_VTADMIN_API_ADDRESS="http://localhost:${vtadmin_api_port}" \
+VITE_VTADMIN_API_ADDRESS="http://${hostname}:${vtadmin_api_port}" \
   VITE_ENABLE_EXPERIMENTAL_TABLET_DEBUG_VARS="true" \
   npm run --prefix "$web_dir" build
 
@@ -86,7 +86,7 @@ echo ${vtadmin_web_pid} > "${log_dir}/vtadmin-web.pid"
 
 echo "\
 vtadmin-web is running!
-  - Browser: http://localhost:${vtadmin_web_port}
+  - Browser: http://${hostname}:${vtadmin_web_port}
   - Logs: ${log_dir}/vtadmin-web.out
   - PID: ${vtadmin_web_pid}
 "