diff --git a/ansible/host_vars/tang.yml b/ansible/host_vars/tang.yml
index ffa1747..c916451 100644
--- a/ansible/host_vars/tang.yml
+++ b/ansible/host_vars/tang.yml
@@ -1 +1,2 @@
 ssh_extra_allowed_users: jake
+private_ip: "{{ ansible_default_ipv4.address }}"
diff --git a/ansible/main.yml b/ansible/main.yml
index e20f7be..c345239 100644
--- a/ansible/main.yml
+++ b/ansible/main.yml
@@ -139,3 +139,5 @@
 - hosts: tang
   roles:
     - pihole
+    - role: prometheus.prometheus.node_exporter
+      become: true
diff --git a/ansible/roles/forrest/files/prometheus/prometheus.yml b/ansible/roles/forrest/files/prometheus/prometheus.yml
index 2c87116..77baa3f 100644
--- a/ansible/roles/forrest/files/prometheus/prometheus.yml
+++ b/ansible/roles/forrest/files/prometheus/prometheus.yml
@@ -130,6 +130,7 @@ scrape_configs:
     static_configs:
       - targets:
           - "{{ pve_hosts.pve.ip }}:9100"
+          - pi.hole:9100
     metric_relabel_configs:
       - source_labels: [__name__]
         regex: go_.+