Add app_id in ULS response

Change-Id: Ica76169b389d9ab8b952f5ad9284d8eb97211f0c
cloudfoundry-attic · Jul 31, 2012 · 8a3d41b · 8a3d41b · lukebakken · Aug 9, 2012
1 parent ff5d2fa
commit 8a3d41b
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Showing 3 changed files with 7 additions and 2 deletions.
diff --git a/ext/nginx/uls.lua b/ext/nginx/uls.lua
@@ -28,6 +28,7 @@ ULS_STATS_LATENCY      = "response_latency"
 ULS_STATS_SAMPLES      = "response_samples"
 ULS_STATS_CODES        = "response_codes"
 ULS_STICKY_SESSION     = "sticky_session"
+ULS_APP_ID             = "app_id"
 -- For both diretion
 -- When ULS_BACKEND_ADDR sent from nginx to uls, it means sticky address
 ULS_BACKEND_ADDR       = "backend_addr"
@@ -67,7 +68,8 @@ ULS_ROUTER_IP          = "router_ip"
   {
     "backend_addr": xxx,
     "request_tags": xxx,
-    "router_ip": xxx
+    "router_ip": xxx,
+    "app_id": xxx,
   }
 --]]
 
@@ -236,6 +238,7 @@ function post_process_subrequest(ngx, res)
   ngx.var.uls_req_tags = msg[ULS_REQEST_TAGS]
   ngx.var.router_ip    = msg[ULS_ROUTER_IP]
   ngx.var.sticky       = msg[ULS_STICKY_SESSION]
+  ngx.var.app_id       = msg[ULS_APP_ID]
 
   ngx.log(ngx.DEBUG, "route "..ngx.var.http_host.." to "..ngx.var.backend_addr)
 end

diff --git a/lib/router/const.rb b/lib/router/const.rb
@@ -19,6 +19,7 @@
 ULS_BACKEND_ADDR       = :"backend_addr"
 ULS_ROUTER_IP          = :"router_ip"
 ULS_STICKY_SESSION     = :"sticky_session"
+ULS_APP_ID             = :"app_id"
 
 # Max Connections to Pool
 MAX_POOL = 32

diff --git a/lib/router/router_uls_server.rb b/lib/router/router_uls_server.rb
@@ -55,7 +55,8 @@ class ParserError < StandardError; end
         ULS_STICKY_SESSION => new_sticky,
         ULS_BACKEND_ADDR   => "#{droplet[:host]}:#{droplet[:port]}",
         ULS_REQUEST_TAGS   => uls_req_tags,
-        ULS_ROUTER_IP      => Router.inet
+        ULS_ROUTER_IP      => Router.inet,
+        ULS_APP_ID         => droplet[:app] || 0,
       }
     end