mgr/cephadm:fix alerts sent to wrong URL

The path_prefix in prometheus.yml was specifying an
endpoint prefix, which was invalid. This resulted in 404
errors when trying to send alerts to alertmanager and
blocked alerts being sent on to the ceph-dashboard API
receiver. This fix remves this prefix.

Fixes: https://tracker.ceph.com/issues/51073
Signed-off-by: Paul Cuzner <pcuzner@redhat.com>
(cherry picked from commit 9d408a70c7d01fd7c94f9b814af916396d7cbf1f)

diff --git a/src/pybind/mgr/cephadm/templates/services/prometheus/prometheus.yml.j2 b/src/pybind/mgr/cephadm/templates/services/prometheus/prometheus.yml.j2
index 26af6db012d1e2fdd6bd19953b78dd9a2bd2f2c3..b9834ee781971d11c7ace595bbd9c4cea8714683 100644 (file)
--- a/src/pybind/mgr/cephadm/templates/services/prometheus/prometheus.yml.j2
+++ b/src/pybind/mgr/cephadm/templates/services/prometheus/prometheus.yml.j2
@@ -8,7 +8,6 @@ rule_files:
 alerting:
   alertmanagers:
     - scheme: http
-      path_prefix: /alertmanager
       static_configs:
         - targets: [{{ alertmgr_targets|join(', ') }}]
 {% endif %}