[multus] added support for mixed type of container engine

roles/kubernetes-apps/network_plugin/multus/tasks/main.yml

@@ -7,5 +7,5 @@
     resource: "{{ item.item.type }}"
     filename: "{{ kube_config_dir }}/{{ item.item.file }}"
     state: "latest"
-  with_items: "{{ multus_manifest_1.results }} + {{ multus_manifest_2.results }}"
+  with_items: "{{ multus_manifest_1.results }} + {{ groups['k8s_cluster']|map('extract', hostvars, 'multus_manifest_2')|list|json_query('[].results') }}"
   when: inventory_hostname == groups['kube_control_plane'][0] and not item is skipped

roles/network_plugin/multus/tasks/main.yml

@@ -10,12 +10,28 @@
     - {name: multus-clusterrole, file: multus-clusterrole.yml, type: clusterrole}
     - {name: multus-clusterrolebinding, file: multus-clusterrolebinding.yml, type: clusterrolebinding}
   register: multus_manifest_1
+  when: inventory_hostname == groups['kube_control_plane'][0]
+
+- name: Multus | Check container engine type
+  set_fact:
+    container_manager_types: "{{ ansible_play_hosts_all|map('extract', hostvars, ['container_manager'])|list|unique }}"
+  run_once: true
+  when: inventory_hostname == groups['kube_control_plane'][0]
 
 - name: Multus | Copy manifest templates
   template:
-    src: "{{ item.file }}.j2"
+    src: multus-daemonset.yml.j2
     dest: "{{ kube_config_dir }}/{{ item.file }}"
-    mode: 0644
   with_items:
-    - {name: multus-daemonset, file: multus-daemonset.yml, type: daemonset}
+    - {name: multus-daemonset-containerd, file: multus-daemonset-containerd.yml, type: daemonset, engine: containerd }
+    - {name: multus-daemonset-docker, file: multus-daemonset-docker.yml, type: daemonset, engine: docker }
+    - {name: multus-daemonset-crio, file: multus-daemonset-crio.yml, type: daemonset, engine: crio }
   register: multus_manifest_2
+  vars:
+    query: "*|[?container_manager=='{{ container_manager }}']|[0].inventory_hostname"
+    vars_from_node: "{{ hostvars|json_query(query) }}"
+  delegate_to: "{{ groups['kube_control_plane'][0] }}"
+  when:
+    - item.engine in container_manager_types
+    - hostvars[inventory_hostname].container_manager == item.engine
+    - inventory_hostname == vars_from_node

roles/network_plugin/multus/templates/multus-daemonset.yml.j2

@@ -2,7 +2,11 @@
 kind: DaemonSet
 apiVersion: apps/v1
 metadata:
+{% if container_manager_types|length >= 2 %}
+  name: kube-multus-{{ container_manager }}-{{ image_arch }}
+{% else %}
   name: kube-multus-ds-{{ image_arch }}
+{% endif %}
   namespace: kube-system
   labels:
     tier: node
@@ -22,6 +26,9 @@ spec:
       dnsPolicy: ClusterFirstWithHostNet
       nodeSelector:
         kubernetes.io/arch: {{ image_arch }}
+{% if container_manager_types|length >= 2 %}
+        kubespray.io/container_manager: {{ container_manager }}
+{% endif %}
       tolerations:
       - operator: Exists
       serviceAccountName: multus
@@ -52,6 +59,7 @@ spec:
 {% if container_manager == 'crio' %}
         - name: run
           mountPath: {{ multus_cni_run_dir }}
+          mountPropagation: HostToContainer
 {% endif %}
         - name: cni
           mountPath: {{  multus_cni_conf_dir }}