Add more flavors

We're looking to expand the available flavors to include flavors
with more ram.  Since we are also beginning to test zuul-launcher
with the zuul project, let's add some flavors to the zuul-launcher
side of the house and let the zuul project drive a small amount
of workload on those flavors to identify any issues before rolling
it out to the rest of opendev.

This adds 4 and 16gb flavors as well as the standard 8gb.  We can
probably run linter jobs on 4gb flavors, so let's try that.  It
might help even out our usage (assuming we have enough ip addrs,
etc).

Change-Id: I70a7814bca455ca24ba3e812f65fa46d346a5d93

zuul.d/flavors.yaml

@@ -1,2 +1,11 @@
 - flavor:
     name: normal
+
+- flavor:
+    name: 4GB
+
+- flavor:
+    name: 8GB
+
+- flavor:
+    name: 16GB

zuul.d/labels.yaml

@@ -5,3 +5,18 @@
     name: niz-debian-bullseye-normal
     image: debian-bullseye
     flavor: normal
+
+- label:
+    name: niz-debian-bullseye-4GB
+    image: debian-bullseye
+    flavor: 4GB
+
+- label:
+    name: niz-debian-bullseye-8GB
+    image: debian-bullseye
+    flavor: 8GB
+
+- label:
+    name: niz-debian-bullseye-16GB
+    image: debian-bullseye
+    flavor: 16GB

zuul.d/providers.yaml

@@ -9,7 +9,17 @@
       - opendevzuul-network1
     flavors:
       - name: normal
+        description: 4vcpu, 8GB ram, 80GB disk
         flavor-name: gp.0.4.8
+      - name: 4GB
+        description: 4vcpu, 4GB ram, 80GB disk
+        flavor-name: gp.0.4.4
+      - name: 8GB
+        description: 4vcpu, 8GB ram, 80GB disk
+        flavor-name: gp.0.4.8
+      - name: 16GB
+        description: 4vcpu, 16GB ram, 80GB disk
+        flavor-name: gp.0.4.16
     images:
       - name: debian-bullseye
 
@@ -24,6 +34,12 @@
     labels:
       - name: niz-debian-bullseye-normal
         key-name: infra-root-keys-2024-04-08
+      - name: niz-debian-bullseye-4GB
+        key-name: infra-root-keys-2024-04-08
+      - name: niz-debian-bullseye-8GB
+        key-name: infra-root-keys-2024-04-08
+      - name: niz-debian-bullseye-16GB
+        key-name: infra-root-keys-2024-04-08
 
 # Vexxhost
 - section:
@@ -32,6 +48,10 @@
     connection: vexxhost
     boot-timeout: 120
     launch-timeout: 600
+    flavors:
+      - name: 16GB
+        description: 4vcpu, 16GB ram, 80GB disk
+        flavor-name: v3-standard-4
     images:
       - name: debian-bullseye
 
@@ -43,3 +63,6 @@
 - provider:
     name: vexxhost-ca-ymq-1-main
     section: vexxhost-ca-ymq-1
+    labels:
+      - name: niz-debian-bullseye-16GB
+        key-name: infra-root-keys-2024-04-08