feat: provisionerd tracing, add public trace ingestion (#4070)

coderd/workspaceapps.go

@@ -9,6 +9,7 @@ import (
 	"strings"
 
 	"github.com/go-chi/chi/v5"
+	"go.opentelemetry.io/otel/trace"
 
 	"github.com/coder/coder/coderd/database"
 	"github.com/coder/coder/coderd/httpapi"
@@ -125,6 +126,7 @@ type proxyApplication struct {
 }
 
 func (api *API) proxyWorkspaceApplication(proxyApp proxyApplication, rw http.ResponseWriter, r *http.Request) {
+	ctx := r.Context()
 	if !api.Authorize(r, rbac.ActionCreate, proxyApp.Workspace.ExecutionRBAC()) {
 		httpapi.ResourceNotFound(rw)
 		return
@@ -138,7 +140,7 @@ func (api *API) proxyWorkspaceApplication(proxyApp proxyApplication, rw http.Res
 	// If the app name was used instead, fetch the app from the database so we
 	// can get the internal URL.
 	if proxyApp.AppName != "" {
-		app, err := api.Database.GetWorkspaceAppByAgentIDAndName(r.Context(), database.GetWorkspaceAppByAgentIDAndNameParams{
+		app, err := api.Database.GetWorkspaceAppByAgentIDAndName(ctx, database.GetWorkspaceAppByAgentIDAndNameParams{
 			AgentID: proxyApp.Agent.ID,
 			Name:    proxyApp.AppName,
 		})
@@ -195,7 +197,7 @@ func (api *API) proxyWorkspaceApplication(proxyApp proxyApplication, rw http.Res
 		if proxyApp.DashboardOnError {
 			// To pass friendly errors to the frontend, special meta tags are
 			// overridden in the index.html with the content passed here.
-			r = r.WithContext(site.WithAPIResponse(r.Context(), site.APIResponse{
+			r = r.WithContext(site.WithAPIResponse(ctx, site.APIResponse{
 				StatusCode: http.StatusBadGateway,
 				Message:    err.Error(),
 			}))
@@ -228,7 +230,7 @@ func (api *API) proxyWorkspaceApplication(proxyApp proxyApplication, rw http.Res
 	proxy.Transport = conn.HTTPTransport()
 
 	// end span so we don't get long lived trace data
-	tracing.EndHTTPSpan(r, 200)
+	tracing.EndHTTPSpan(r, http.StatusOK, trace.SpanFromContext(ctx))
 
 	proxy.ServeHTTP(rw, r)
 }