CI: add testcase: separate etcd with calico

Calico use etcd directly by default, and we're not currently testing the
usecase where etcd|control-plane|node are separate with node access to
etcd.

Using opensuse because it's under represented in the CI.

.gitlab-ci/packet.yml

@@ -117,6 +117,9 @@ packet_amazon-linux-2-all-in-one:
 packet_opensuse-docker-cilium:
   extends: .packet_pr
 
+packet_opensuse-crio-calico-sep:
+  extends: .packet_pr
+
 packet_ubuntu20-cilium-sep:
   extends: .packet_pr
 

docs/developers/ci.md

@@ -33,7 +33,7 @@ debian12 |  :x: | :x: | :x: | :x: | :x: | :x: | :x: | :x: |
 fedora39 |  :white_check_mark: | :x: | :x: | :x: | :x: | :x: | :x: | :x: |
 fedora40 |  :x: | :x: | :x: | :x: | :x: | :x: | :x: | :x: |
 openeuler24 |  :x: | :x: | :x: | :x: | :x: | :x: | :x: | :x: |
-opensuse |  :x: | :x: | :x: | :x: | :x: | :x: | :x: | :x: |
+opensuse |  :white_check_mark: | :x: | :x: | :x: | :x: | :x: | :x: | :x: |
 rockylinux8 |  :x: | :x: | :x: | :x: | :x: | :x: | :x: | :x: |
 rockylinux9 |  :x: | :x: | :x: | :x: | :x: | :x: | :x: | :x: |
 ubuntu20 |  :white_check_mark: | :x: | :x: | :x: | :x: | :x: | :x: | :x: |

tests/files/packet_opensuse-crio-calico-sep.yml

@@ -0,0 +1,8 @@
+---
+# Instance settings
+cloud_image: opensuse-leap-15
+mode: separate
+
+kube_network_plugin: calico
+
+container_manager: crio