From 68e428ad87f1a57f2a037423fcf8ad31239db24c Mon Sep 17 00:00:00 2001
From: Marius Leustean <marius.leustean@sap.com>
Date: Tue, 20 Dec 2022 12:39:01 +0200
Subject: [PATCH] Add nova-bigvm prometheus exporter

---
 openstack/nova/templates/bigvm-deployment.yaml | 3 +++
 openstack/nova/templates/etc/_nova.conf.tpl    | 4 ++++
 openstack/nova/values.yaml                     | 1 +
 3 files changed, 8 insertions(+)

diff --git a/openstack/nova/templates/bigvm-deployment.yaml b/openstack/nova/templates/bigvm-deployment.yaml
index b98ca405aa8..a18f5044e1a 100644
--- a/openstack/nova/templates/bigvm-deployment.yaml
+++ b/openstack/nova/templates/bigvm-deployment.yaml
@@ -75,6 +75,9 @@ spec:
           resources:
 {{ toYaml .Values.pod.resources.bigvm | indent 12 }}
           {{- end }}
+          ports:
+            - name: metrics
+              containerPort: {{ required ".Values.nova_bigvm_exporter_port" .Values.nova_bigvm_exporter_port }}
           volumeMounts:
           - name: nova-etc
             mountPath: /etc/nova
diff --git a/openstack/nova/templates/etc/_nova.conf.tpl b/openstack/nova/templates/etc/_nova.conf.tpl
index 6eb0d63824c..214fe527163 100644
--- a/openstack/nova/templates/etc/_nova.conf.tpl
+++ b/openstack/nova/templates/etc/_nova.conf.tpl
@@ -36,6 +36,10 @@ dhcp_domain = openstack.{{ required ".Values.global.region is missing" .Values.g
 
 {{ template "utils.snippets.debug.eventlet_backdoor_ini" "nova" }}
 
+{{- if .Values.nova_bigvm_enabled -}}
+bigvm_exporter_listen_port = {{ required ".Values.nova_bigvm_exporter_port" .Values.nova_bigvm_exporter_port }}
+{{- end }}
+
 [database]
 {{- include "ini_sections.database_options_mysql" . }}
 
diff --git a/openstack/nova/values.yaml b/openstack/nova/values.yaml
index 390fcc043e4..bab6730b89b 100644
--- a/openstack/nova/values.yaml
+++ b/openstack/nova/values.yaml
@@ -914,6 +914,7 @@ sentry:
   enabled: true
 
 nova_bigvm_enabled: true
+nova_bigvm_exporter_port: 9847
 
 pre_change_hook:
   image: "sapcc/unified-kubernetes-toolbox"