Add test case for calico using etcd datastore (#10722)

* Add multinode ci layout

* Add test case for calico using etcd datastore

tests/cloud_playbooks/roles/packet-ci/templates/inventory.j2

@@ -81,6 +81,16 @@ instance-2
 [broken_etcd]
 instance-1 etcd_member_name=etcd2
 instance-2 etcd_member_name=etcd3
+{% elif mode == "multinode" %}
+[kube_control_plane]
+instance-1
+
+[etcd]
+instance-1
+
+[kube_node]
+instance-2
+instance-3
 {% endif %}
 
 [k8s_cluster:children]

tests/cloud_playbooks/roles/packet-ci/vars/main.yml

@@ -7,6 +7,7 @@ _vm_count_dict:
   ha-recover: 3
   ha-recover-noquorum: 3
   all-in-one: 1
+  multinode: 3
   default: 2
 
 vm_count: "{{ _vm_count_dict[mode | d('default')] }}"

tests/files/packet_ubuntu22-calico-etcd-datastore.yml

@@ -0,0 +1,29 @@
+---
+# Instance settings
+cloud_image: ubuntu-2204
+mode: multinode
+vm_memory: 1600Mi
+
+# Kubespray settings
+auto_renew_certificates: true
+
+# Currently ipvs not available on KVM: https://packages.ubuntu.com/search?suite=focal&arch=amd64&mode=exactfilename&searchon=contents&keywords=ip_vs_sh.ko
+kube_proxy_mode: iptables
+enable_nodelocaldns: False
+
+containerd_registries:
+  "docker.io": "https://mirror.gcr.io"
+
+containerd_registries_mirrors:
+  - prefix: docker.io
+    mirrors:
+      - host: https://mirror.gcr.io
+        capabilities: ["pull", "resolve"]
+        skip_verify: false
+  - prefix: 172.19.16.11:5000
+    mirrors:
+      - host: http://172.19.16.11:5000
+        capabilities: ["pull", "resolve", "push"]
+        skip_verify: true
+
+calico_datastore: "etcd"