Merge pull request #4040 from qclaogui/add-missing-config-in-tempo-gateway

[tempo-distributed] Add tempo-gateway (nginx) config in tempo-distributed to enable TraceQL streaming

Author: QuentinBisson

charts/tempo-distributed/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: tempo-distributed
 description: Grafana Tempo in MicroService mode
 type: application
-version: 1.58.0
+version: 1.58.1
 appVersion: 2.9.0
 engine: gotpl
 home: https://grafana.com/docs/tempo/latest/

charts/tempo-distributed/README.md

@@ -1,6 +1,6 @@
 # tempo-distributed
 
-![Version: 1.58.0](https://img.shields.io/badge/Version-1.58.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.9.0](https://img.shields.io/badge/AppVersion-2.9.0-informational?style=flat-square)
+![Version: 1.58.1](https://img.shields.io/badge/Version-1.58.1-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 2.9.0](https://img.shields.io/badge/AppVersion-2.9.0-informational?style=flat-square)
 
 Grafana Tempo in MicroService mode
 
@@ -988,6 +988,7 @@ The memcached default args are removed and should be provided manually. The sett
 | storage.trace.pool.max_workers | int | `400` | Total number of workers pulling jobs from the queue |
 | storage.trace.pool.queue_depth | int | `20000` | Length of job queue. imporatant for querier as it queues a job for every block it has to search |
 | storage.trace.search.prefetch_trace_count | int | `1000` | Number of traces to prefetch while scanning blocks. Increasing this value can improve trace search performance at the cost of memory. |
+| streamOverHTTPEnabled | bool | `false` | Enable streaming over HTTP for tempo and Tempo gateway(nginx) |
 | tempo.image.pullPolicy | string | `"IfNotPresent"` |  |
 | tempo.image.pullSecrets | list | `[]` | Optional list of imagePullSecrets. Overrides `global.image.pullSecrets` |
 | tempo.image.registry | string | `"docker.io"` | The Docker registry |

charts/tempo-distributed/values.yaml

@@ -59,6 +59,9 @@ externalConfigVersion: '0'
 # -- If true, Tempo will report anonymous usage data about the shape of a deployment to Grafana Labs
 reportingEnabled: true
 
+# -- Enable streaming over HTTP for tempo and Tempo gateway(nginx)
+streamOverHTTPEnabled: false
+
 tempo:
   image:
     # -- The Docker registry
@@ -1331,6 +1334,8 @@ memberlist:
 config: |
   multitenancy_enabled: {{ .Values.multitenancyEnabled }}
 
+  stream_over_http_enabled: {{ .Values.streamOverHTTPEnabled }}
+
   usage_report:
     reporting_enabled: {{ .Values.reportingEnabled }}
 
@@ -2242,6 +2247,14 @@ gateway:
         server {
           listen             8080;
 
+          {{- if .Values.streamOverHTTPEnabled }}
+          http2 on;
+          location /tempopb.StreamingQuerier/ {
+            set $query_frontend {{ include "tempo.resourceName" (dict "ctx" . "component" "query-frontend") }}.{{ .Release.Namespace }}.svc.{{ .Values.global.clusterDomain }};
+            grpc_pass   grpc://$query_frontend:3200;
+          }
+          {{- end }}
+
           {{- if .Values.gateway.basicAuth.enabled }}
           auth_basic           "Tempo";
           auth_basic_user_file /etc/nginx/secrets/.htpasswd;