Merge pull request #96 from tpbrown/cache-control

Cache-Control on Prometheus endpoint
jenkinsci · May 3, 2019 · b52d300 · b52d300
2 parents 6e39e06 + 6a20917
commit b52d300
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/main/java/org/jenkinsci/plugins/prometheus/MetricsRequest.java b/src/main/java/org/jenkinsci/plugins/prometheus/MetricsRequest.java
@@ -17,6 +17,8 @@ public static HttpResponse prometheusResponse(final CollectorRegistry collectorR
             public void generateResponse(StaplerRequest request, StaplerResponse response, Object node) throws IOException, ServletException {
                 response.setStatus(StaplerResponse.SC_OK);
                 response.setContentType(TextFormat.CONTENT_TYPE_004);
+                response.addHeader("Cache-Control","must-revalidate,no-cache,no-store");
+
 
                 StringWriter buffer = new StringWriter();
                 TextFormat.write004(buffer, collectorRegistry.metricFamilySamples());
@@ -25,4 +27,4 @@ public void generateResponse(StaplerRequest request, StaplerResponse response, O
             }
         };
     }
-}
+}