(iotdb) branch master updated: add Content-Type in prometheus reporter (#14507)

[tanxinyu]

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tanxinyu pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/iotdb.git


The following commit(s) were added to refs/heads/master by this push:
     new 1bb5667a549 add Content-Type in prometheus reporter (#14507)
1bb5667a549 is described below

commit 1bb5667a5497004060401957936a94b86a15305b
Author: ZhangHongYin <46039728+sprico...@users.noreply.github.com>
AuthorDate: Fri Dec 20 17:24:38 2024 +0800

    add Content-Type in prometheus reporter (#14507)
---
 .../apache/iotdb/metrics/reporter/prometheus/PrometheusReporter.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git 
a/iotdb-core/metrics/interface/src/main/java/org/apache/iotdb/metrics/reporter/prometheus/PrometheusReporter.java
 
b/iotdb-core/metrics/interface/src/main/java/org/apache/iotdb/metrics/reporter/prometheus/PrometheusReporter.java
index 08f1e7becd7..612c3e074f9 100644
--- 
a/iotdb-core/metrics/interface/src/main/java/org/apache/iotdb/metrics/reporter/prometheus/PrometheusReporter.java
+++ 
b/iotdb-core/metrics/interface/src/main/java/org/apache/iotdb/metrics/reporter/prometheus/PrometheusReporter.java
@@ -80,7 +80,10 @@ public class PrometheusReporter implements Reporter {
                   routes ->
                       routes.get(
                           "/metrics",
-                          (request, response) -> 
response.sendString(Mono.just(scrape()))))
+                          (request, response) ->
+                              response
+                                  .addHeader("Content-Type", "text/plain")
+                                  .sendString(Mono.just(scrape()))))
               .bindNow();
     } catch (Throwable e) {
       // catch Throwable rather than Exception here because the code above 
might cause a