diff --git a/roles/defaults/vars/main.yml b/roles/defaults/vars/main.yml
index c387f8b..2a506fa 100644
--- a/roles/defaults/vars/main.yml
+++ b/roles/defaults/vars/main.yml
@@ -186,7 +186,7 @@
   prometheus_memcached_exporter: quay.io/prometheus/memcached-exporter:v0.10.0
   prometheus_mysqld_exporter: quay.io/prometheus/mysqld-exporter:v0.14.0
   prometheus_node_exporter: quay.io/prometheus/node-exporter:v1.7.0
-  prometheus_openstack_database_exporter: ghcr.io/vexxhost/openstack-database-exporter:v0.3.0
+  prometheus_openstack_database_exporter: ghcr.io/vexxhost/openstack-database-exporter:v0.4.2
   prometheus_openstack_exporter: ghcr.io/openstack-exporter/openstack-exporter:1.7.0
   prometheus_operator_kube_webhook_certgen: registry.k8s.io/ingress-nginx/kube-webhook-certgen:v20221220-controller-v1.5.1-58-g787ea74b6
   prometheus_operator: quay.io/prometheus-operator/prometheus-operator:v0.73.1
diff --git a/roles/kube_prometheus_stack/files/jsonnet/openstack.libsonnet b/roles/kube_prometheus_stack/files/jsonnet/openstack.libsonnet
index e77077e..0824e07 100644
--- a/roles/kube_prometheus_stack/files/jsonnet/openstack.libsonnet
+++ b/roles/kube_prometheus_stack/files/jsonnet/openstack.libsonnet
@@ -1,4 +1,18 @@
 {
+  prometheusRules+:: {
+    groups: [
+      {
+        name: 'recording',
+        rules:
+          [
+            {
+              record: 'nova:build_requests:sum',
+              expr: 'sum(openstack_nova_api_build_request)',
+            },
+          ],
+      },
+    ],
+  },
   prometheusAlerts+: {
     groups+: [
       {
@@ -254,6 +268,35 @@
         ],
       },
       {
+        name: 'nova-build-requests',
+        rules: [
+          {
+            alert: 'NovaStuckBuildRequest',
+            annotations: {
+              summary: 'Nova build request stuck in queue for more than 1 hour',
+              description: 'Instance ID {{ $labels.instance_uuid }} (project: {{ $labels.project_id }}) has been stuck in build request state for more than 1 hour.',
+            },
+            expr: 'openstack_nova_api_build_request > 0',
+            'for': '1h',
+            labels: {
+              severity: 'P4',
+            },
+          },
+          {
+            alert: 'NovaStuckBuildRequestIncreasing',
+            annotations: {
+              summary: 'Nova build request is increasing',
+              description: 'Build request count rate is increasing across the cluster.',
+            },
+            expr: 'rate(nova:build_requests:sum[5m]) > 0',
+            'for': '15m',
+            labels: {
+              severity: 'P3',
+            },
+          },
+        ]
+      },
+      {
         name: 'octavia',
         rules:
           [
diff --git a/roles/openstack_exporter/tasks/main.yml b/roles/openstack_exporter/tasks/main.yml
index 115445d..d6e067e 100644
--- a/roles/openstack_exporter/tasks/main.yml
+++ b/roles/openstack_exporter/tasks/main.yml
@@ -159,9 +159,10 @@
         labels:
           application: openstack-database-exporter
       stringData:
-        NEUTRON_DSN: "{{ _neutron_db_user.resources.0.data.DB_CONNECTION | b64decode |  regex_replace('^.*//', '') | regex_replace('@(.*)/', '@tcp(\\1)/') }}"
-        NOVA_DSN: "{{ _nova_db_user.resources.0.data.DB_CONNECTION | b64decode |  regex_replace('^.*//', '') | regex_replace('@(.*)/', '@tcp(\\1)/') }}"
-        OCTAVIA_DSN: "{{ _octavia_db_user.resources.0.data.DB_CONNECTION | b64decode |  regex_replace('^.*//', '') | regex_replace('@(.*)/', '@tcp(\\1)/') }}"
+        NEUTRON_DSN: "{{ _neutron_db_user.resources.0.data.DB_CONNECTION | b64decode | regex_replace('^.*//', '') | regex_replace('@(.*)/', '@tcp(\\1)/') }}"
+        NOVA_DSN: "{{ _nova_db_user.resources.0.data.DB_CONNECTION | b64decode | regex_replace('^.*//', '') | regex_replace('@(.*)/', '@tcp(\\1)/') }}"
+        NOVA_API_DSN: "{{ _nova_db_user.resources.0.data.DB_CONNECTION | b64decode | regex_replace('^.*//', '') | regex_replace('@(.*)/', '@tcp(\\1)/') }}_api"
+        OCTAVIA_DSN: "{{ _octavia_db_user.resources.0.data.DB_CONNECTION | b64decode | regex_replace('^.*//', '') | regex_replace('@(.*)/', '@tcp(\\1)/') }}"
 
 - name: Deploy service
   run_once: true