Add instrumentation to lua files

mediaMicroservices/nginx-web-server/lua-scripts/wrk2-api/cast-info/write.lua

 local _M = {}
+local xtracer = require "luaxtrace"
 
 function _M.WriteCastInfo()
   local bridge_tracer = require "opentracing_bridge_tracer"
   local GenericObjectPool = require "GenericObjectPool"
   local CastInfoServiceClient = require 'media_service_CastInfoService'
   local ngx = ngx
+
+  xtracer.StartLuaTrace("NginxWebServer", "WriteCastInfo")
+  xtracer.LogXTrace("Processing Request")
+
   local cjson = require("cjson")
 
   local req_id = tonumber(string.sub(ngx.var.request_id, 0, 15), 16)
@@ -21,6 +26,8 @@ function _M.WriteCastInfo()
     ngx.status = ngx.HTTP_BAD_REQUEST
     ngx.say("Empty body")
     ngx.log(ngx.ERR, "Empty body")
+    xtracer.LogXTrace("Empty body")
+    xtracer.DeleteBaggage()
     ngx.exit(ngx.HTTP_BAD_REQUEST)
   end
 
@@ -30,14 +37,18 @@ function _M.WriteCastInfo()
     ngx.status = ngx.HTTP_BAD_REQUEST
     ngx.say("Incomplete arguments")
     ngx.log(ngx.ERR, "Incomplete arguments")
+    xtracer.LogXTrace("Incomplete arguments")
+    xtracer.DeleteBaggage()
     ngx.exit(ngx.HTTP_BAD_REQUEST)
   end
 
+  carrier["baggage"] = xtracer.BranchBaggage()
   local client = GenericObjectPool:connection(CastInfoServiceClient, "cast-info-service", 9090)
-  client:WriteCastInfo(req_id, cast_info["cast_info_id"], cast_info["name"],
+  local status, err = client:WriteCastInfo(req_id, cast_info["cast_info_id"], cast_info["name"],
       cast_info["gender"], cast_info["intro"],  carrier)
+  xtracer.JoinBaggage(err.baggage)
   GenericObjectPool:returnConnection(client)
-
+  xtracer.DeleteBaggage()
 end
 
-return _M
\ No newline at end of file
+return _M

mediaMicroservices/nginx-web-server/lua-scripts/wrk2-api/movie-info/write.lua

 local _M = {}
-
+local xtracer = require "luaxtrace"
 
 function _M.WriteMovieInfo()
   local bridge_tracer = require "opentracing_bridge_tracer"
@@ -10,6 +10,9 @@ function _M.WriteMovieInfo()
   local ngx = ngx
   local cjson = require("cjson")
 
+  xtracer.StartLuaTrace("NginxWebServer", "WriteMovieInfo")
+  xtracer.LogXtrace("Processing Request")
+
   local req_id = tonumber(string.sub(ngx.var.request_id, 0, 15), 16)
   local tracer = bridge_tracer.new_from_global()
   local parent_span_context = tracer:binary_extract(ngx.var.opentracing_binary_context)
@@ -24,6 +27,8 @@ function _M.WriteMovieInfo()
     ngx.status = ngx.HTTP_BAD_REQUEST
     ngx.say("Empty body")
     ngx.log(ngx.ERR, "Empty body")
+    xtracer.LogXTrace("Empty body")
+    xtracer.DeleteBaggage()
     ngx.exit(ngx.HTTP_BAD_REQUEST)
   end
 
@@ -36,6 +41,8 @@ function _M.WriteMovieInfo()
     ngx.status = ngx.HTTP_BAD_REQUEST
     ngx.say("Incomplete arguments")
     ngx.log(ngx.ERR, "Incomplete arguments")
+    xtracer.LogXTrace("Incomplete arguments")
+    xtracer.DeleteBaggage()
     ngx.exit(ngx.HTTP_BAD_REQUEST)
   end
 
@@ -49,14 +56,17 @@ function _M.WriteMovieInfo()
   end
 
 
+  carrier["baggage"] = xtracer.BranchBaggage()
   local client = GenericObjectPool:connection(MovieInfoServiceClient, "movie-info-service", 9090)
-  client:WriteMovieInfo(req_id, movie_info["movie_id"], movie_info["title"],
+  local status, err = client:WriteMovieInfo(req_id, movie_info["movie_id"], movie_info["title"],
       casts, movie_info["plot_id"], movie_info["thumbnail_ids"],
       movie_info["photo_ids"], movie_info["video_ids"], tostring(movie_info["avg_rating"]),
       movie_info["num_rating"], carrier)
   ngx.say(movie_info["avg_rating"])
+  xtracer.JoinBaggag(err.baggage)
   GenericObjectPool:returnConnection(client)
 
+  xtracer.DeleteBaggage()
 end
 
-return _M
\ No newline at end of file
+return _M

mediaMicroservices/nginx-web-server/lua-scripts/wrk2-api/movie/register.lua

 local _M = {}
+local xtracer = require "luaxtrace"
 
 local function _StrIsEmpty(s)
   return s == nil or s == ''
@@ -10,6 +11,9 @@ function _M.RegisterMovie()
   local MovieIdServiceClient = require'media_service_MovieIdService'
   local ngx = ngx
 
+  xtracer.StartLuaTrace("NginxWebServer", "RegisterMovie")
+  xtracer.LogXTrace("Processing Request")
+
   local req_id = tonumber(string.sub(ngx.var.request_id, 0, 15), 16)
   local tracer = bridge_tracer.new_from_global()
   local parent_span_context = tracer:binary_extract(ngx.var.opentracing_binary_context)
@@ -24,15 +28,20 @@ function _M.RegisterMovie()
     ngx.status = ngx.HTTP_BAD_REQUEST
     ngx.say("Incomplete arguments")
     ngx.log(ngx.ERR, "Incomplete arguments")
+    xtracer.LogXTrace("Incomplete arguments")
+    xtracer.DeleteBaggage()
     ngx.exit(ngx.HTTP_BAD_REQUEST)
   end
 
+  carrier["baggage"] = xtracer.BranchBaggage()
   local client = GenericObjectPool:connection(MovieIdServiceClient,"movie-id-service",9090)
 
-  client:RegisterMovieId(req_id, post.title, tostring(post.movie_id), carrier)
+  local status, err = client:RegisterMovieId(req_id, post.title, tostring(post.movie_id), carrier)
+  xtracer.JoinBaggage(err.baggage)
   GenericObjectPool:returnConnection(client)
 
   span:finish()
+  xtracer.DeleteBaggage()
 end
 
-return _M
\ No newline at end of file
+return _M

mediaMicroservices/nginx-web-server/lua-scripts/wrk2-api/plot/write.lua

@@ -8,6 +8,9 @@ function _M.WritePlot()
   local ngx = ngx
   local cjson = require("cjson")
 
+  xtracer.StartLuaTrace("NginxWebServer", "WritePlot")
+  xtracer.LogXTrace("Processing Request")
+
   local req_id = tonumber(string.sub(ngx.var.request_id, 0, 15), 16)
   local tracer = bridge_tracer.new_from_global()
   local parent_span_context = tracer:binary_extract(ngx.var.opentracing_binary_context)
@@ -22,6 +25,8 @@ function _M.WritePlot()
     ngx.status = ngx.HTTP_BAD_REQUEST
     ngx.say("Empty body")
     ngx.log(ngx.ERR, "Empty body")
+    xtracer.LogXTrace("Empty body")
+    xtracer.DeleteBaggage()
     ngx.exit(ngx.HTTP_BAD_REQUEST)
   end
 
@@ -30,12 +35,17 @@ function _M.WritePlot()
     ngx.status = ngx.HTTP_BAD_REQUEST
     ngx.say("Incomplete arguments")
     ngx.log(ngx.ERR, "Incomplete arguments")
+    xtracer.LogXTrace("Incomplete arguments")
+    xtracer.DeleteBaggage()
     ngx.exit(ngx.HTTP_BAD_REQUEST)
   end
 
+  carrier["baggage"] = xtracer.BranchBaggage()
   local client = GenericObjectPool:connection(PlotServiceClient, "plot-service", 9090)
-  client:WritePlot(req_id, plot["plot_id"], plot["plot"], carrier)
+  local status, err = client:WritePlot(req_id, plot["plot_id"], plot["plot"], carrier)
+  xtracer.JoinBaggage(err.baggage)
   GenericObjectPool:returnConnection(client)
+  xtracer.DeleteBaggage()
 end
 
 return _M

mediaMicroservices/nginx-web-server/lua-scripts/wrk2-api/review/compose.lua

@@ -6,29 +6,38 @@ local function _StrIsEmpty(s)
 end
 
 local function _UploadUserId(req_id, post, carrier, baggage)
+  xtracer.SetBaggage(baggage)
   local GenericObjectPool = require "GenericObjectPool"
   local UserServiceClient = require 'media_service_UserService'
+  carrier["baggage"] = xtracer.BranchBaggage()
   local user_client = GenericObjectPool:connection(
     UserServiceClient,"user-service",9090)
-  user_client:UploadUserWithUsername(req_id, post.username, carrier)
+  local status, err = user_client:UploadUserWithUsername(req_id, post.username, carrier)
+  xtracer.JoinBaggage(err.baggage)
   GenericObjectPool:returnConnection(user_client)
 end
 
 local function _UploadText(req_id, post, carrier, baggage)
+  xtracer.SetBaggage(baggage)
   local GenericObjectPool = require "GenericObjectPool"
   local TextServiceClient = require 'media_service_TextService'
+  carrier["baggage"] = xtracer.BranchBaggage()
   local text_client = GenericObjectPool:connection(
     TextServiceClient,"text-service",9090)
-  text_client:UploadText(req_id, post.text, carrier)
+  local status, err = text_client:UploadText(req_id, post.text, carrier)
+  xtracer.JoinBaggage(err.baggage)
   GenericObjectPool:returnConnection(text_client)
 end
 
 local function _UploadMovieId(req_id, post, carrier, baggage)
+  xtracer.SetBaggage(baggage)
   local GenericObjectPool = require "GenericObjectPool"
   local MovieIdServiceClient = require 'media_service_MovieIdService'
+  carrier["baggage"] = xtracer.BranchBaggage()
   local movie_id_client = GenericObjectPool:connection(
     MovieIdServiceClient,"movie-id-service",9090)
-  movie_id_client:UploadMovieId(req_id, post.title, tonumber(post.rating), carrier)
+  local status, err = movie_id_client:UploadMovieId(req_id, post.title, tonumber(post.rating), carrier)
+  xtracer.JoinBaggage(err.baggage)
   GenericObjectPool:returnConnection(movie_id_client)
 end
 
@@ -69,15 +78,15 @@ function _M.ComposeReview()
     ngx.exit(ngx.HTTP_BAD_REQUEST)
   end
 
-  local movieid_baggage = xtracer.BranchBaggage()
   local userid_baggage = xtracer.BranchBaggage()
+  local movieid_baggage = xtracer.BranchBaggage()
   local text_baggage = xtracer.BranchBaggage()
   local uuid_baggage = xtracer.BranchBaggage()
   local threads = {
-    ngx.thread.spawn(_UploadUserId, req_id, post, carrier),
-    ngx.thread.spawn(_UploadMovieId, req_id, post, carrier),
-    ngx.thread.spawn(_UploadText, req_id, post, carrier),
-    ngx.thread.spawn(_UploadUniqueId, req_id, carrier)
+    ngx.thread.spawn(_UploadUserId, req_id, post, carrier, userid_baggage),
+    ngx.thread.spawn(_UploadMovieId, req_id, post, carrier, movieid_baggage),
+    ngx.thread.spawn(_UploadText, req_id, post, carrier, text_baggage),
+    ngx.thread.spawn(_UploadUniqueId, req_id, carrier, uuid_baggage)
   }
 
   local baggages = {

mediaMicroservices/nginx-web-server/lua-scripts/wrk2-api/user/register.lua

@@ -35,6 +35,7 @@ function _M.RegisterUser()
 
   local client = GenericObjectPool:connection(UserServiceClient, "user-service", 9090)
 
+  carrier["baggage"] = xtracer.BranchBaggage()
   local status, err = client:RegisterUser(req_id, post.first_name, post.last_name,
       post.username, post.password, carrier)