Merge "talk TLS to openstack exporter via haproxy"

ansible/roles/prometheus/templates/prometheus.yml.j2

@@ -97,6 +97,9 @@ scrape_configs:
   - job_name: openstack_exporter
     scrape_interval: {{ prometheus_openstack_exporter_interval }}
     scrape_timeout: {{ prometheus_openstack_exporter_timeout }}
+{% if kolla_enable_tls_internal | bool %}
+    scheme: https
+{% endif %}
     honor_labels: true
     static_configs:
       - targets:

releasenotes/notes/fix-openstack-exporter-tls-bug-1975598.yml

@@ -0,0 +1,8 @@
+---
+fixes:
+  - |
+    Fixes an issue where the prometheus server does not
+    talk via https to openstack exporter via haproxy
+    when TLS is enable on the internal endpoints.
+    `LP#[1975598]
+    <https://bugs.launchpad.net/kolla-ansible/+bug/1975598>`__