nodepool: add the pool for the charm/MAAS jobs

Change-Id: Iabfa20f1b767c758e3c428edc8da21eaf9e099ba
diff --git a/nodepool/nodepool.yaml b/nodepool/nodepool.yaml
index c74a834..fe64edf 100644
--- a/nodepool/nodepool.yaml
+++ b/nodepool/nodepool.yaml
@@ -42,12 +42,15 @@
 labels:
   - name: centos-base
     min-ready: 0
+  - name: os-ubuntu-focal
+    min-ready: 0
 providers:
   - name: openstack-testing
     cloud: openstack-testing
     region-name: RegionOne
     cloud-images:
       - name: pp-base-01
+      - name: ubuntu-focal
     pools:
       - name: main
         max-servers: 3
@@ -64,5 +67,17 @@
             flavor-name: m1.large
             boot-from-volume: True
             volume-size: 80
+      - name: zaza-main
+        auto-floating-ip: False
+        security-groups:
+          - "Remote Access"
+          - default
+        networks:
+          - lab-charmed-testing-ssh
+        labels:
+          - name: os-ubuntu-focal
+            flavor-name: m1.small
+            cloud-image: ubuntu-focal
+            key-name: spfactory-zuul-nodepool-key
     clean-floating-ips: False
     port-cleanup-interval: 0