From: Nitzan Mordechai <nmordech@redhat.com>
Date: Thu, 11 Dec 2025 06:32:31 +0000 (+0000)
Subject: mgr/prometheus: metrics header for standby module
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=7fb7485287d3a39633b204b29160853983c2e68a;p=ceph.git

mgr/prometheus: metrics header for standby module

PR #65245 drop the header set for standby module,
we should still have it.

Fixes: https://tracker.ceph.com/issues/74149
Signed-off-by: Nitzan Mordechai <nmordech@ibm.com>
(cherry picked from commit 2ef12b2ffa6dd11041e7120febcbd62338ec8cd3)
---

diff --git a/src/pybind/mgr/prometheus/module.py b/src/pybind/mgr/prometheus/module.py
index 3b5e36bda3c0..6a871f0599e4 100644
--- a/src/pybind/mgr/prometheus/module.py
+++ b/src/pybind/mgr/prometheus/module.py
@@ -2095,6 +2095,7 @@ class Module(MgrModule, OrchestratorClientMixin):
                 # Lock the function execution
                 assert isinstance(_global_instance, Module)
                 with _global_instance.collect_lock:
+                    cherrypy.response.headers['Content-Type'] = 'text/plain; charset=utf-8'
                     return self._metrics(_global_instance)
 
             @staticmethod
@@ -2265,6 +2266,7 @@ class StandbyModule(MgrStandbyModule):
 
             @cherrypy.expose
             def metrics(self) -> str:
+                cherrypy.response.headers['Content-Type'] = 'text/plain; charset=utf-8'
                 return ''
 
         cherrypy.tree.mount(Root(), '/', {})