containerd support (#4664)

* Add limited containerd support

Containerd support for Ubuntu + Calico

* Added CRI-O support for ubuntu

* containerd support.

* Reset  containerd support.

* fix lint.

* implemented feedback

* Change task name cri xx instead of cri-o in reset task and timeout condition.

* set crictl to fixed version

* Use docker-ce's container.io package for containerd.

* Add check containerd is installable or not.

* Avoid stop docker when use containerd and optimize retry for reset.

* Add config.toml.

* Fixed containerd for kubelet.env.

* Merge PR #4629

* Remove unused ubuntu variable for containerd

* Polish code for containerd and cri-o

* Refactoring cri socket configuration.

* Configurable conmon.

* Remove unused crictl/runc download

* Now crictl and runc is downloaded by common crictl.yml.

* fixed yamllint error

* Fixed brokenfiles by conflict.

* Remove commented line in config.toml

* Remove readded v1.12.x version

* Fixed broken set_docker_image_facts

* Fix yamllint errors.

* Remove unused apt source

* Fix crictl could not be installed

* Add containerd config from skolekonov's PR #4601

roles/reset/tasks/main.yml

@@ -14,8 +14,6 @@
   with_items:
     - kubelet
     - vault
-    - etcd
-    - etcd-events
   failed_when: false
   tags:
     - services
@@ -26,8 +24,6 @@
     state: absent
   with_items:
     - kubelet
-    - etcd
-    - etcd-events
     - vault
     - calico-node
   register: services_removed
@@ -57,6 +53,7 @@
   retries: 4
   until: remove_all_containers.rc == 0
   delay: 5
+  when: container_manager == "docker"
   tags:
     - docker
 
@@ -64,50 +61,76 @@
   service:
     name: docker
     state: restarted
-  when: docker_dropins_removed.changed
+  when: docker_dropins_removed.changed and container_manager == "docker"
   tags:
     - docker
 
-- name: reset | stop all cri-o containers
-  shell: "crictl ps -aq | xargs -r crictl stop"
-  register: remove_all_crio_containers
-  retries: 4
-  until: remove_all_crio_containers.rc == 0
+- name: reset | stop all cri containers
+  shell: "crictl ps -aq | xargs -r crictl -t 60s stop"
+  register: remove_all_cri_containers
+  retries: 5
+  until: remove_all_cri_containers.rc == 0
   delay: 5
   tags:
     - crio
-  when: container_manager == 'crio'
+    - containerd
+  when: container_manager in ["crio", "containerd"]
 
-
-- name: reset | remove all cri-o containers
-  shell: "crictl ps -aq | xargs -r crictl rm"
-  register: remove_all_crio_containers
-  retries: 4
-  until: remove_all_crio_containers.rc == 0
+- name: reset | remove all cri containers
+  shell: "crictl ps -aq | xargs -r crictl -t 60s rm"
+  register: remove_all_cri_containers
+  retries: 5
+  until: remove_all_cri_containers.rc == 0
   delay: 5
   tags:
     - crio
-  when: container_manager == 'crio' and deploy_container_engine|default(true)
+    - containerd
+  when: container_manager in ["crio", "containerd"] and deploy_container_engine|default(true)
 
-- name: reset | stop all cri-o pods
-  shell: "crictl pods -q | xargs -r crictl stopp"
-  register: remove_all_crio_containers
-  retries: 4
-  until: remove_all_crio_containers.rc == 0
+- name: reset | stop all cri pods
+  shell: "crictl pods -q | xargs -r crictl -t 60s stopp"
+  register: remove_all_cri_containers
+  retries: 5
+  until: remove_all_cri_containers.rc == 0
   delay: 5
   tags:
     - crio
-  when: container_manager == 'crio'
+    - containerd
+  when: container_manager in ["crio", "containerd"]
 
-- name: reset | remove all cri-o pods
-  shell: "crictl pods -q | xargs -r crictl rmp"
-  register: remove_all_crio_containers
-  retries: 4
-  until: remove_all_crio_containers.rc == 0
+- name: reset | remove all cri pods
+  shell: "crictl pods -q | xargs -r crictl -t 60s rmp"
+  register: remove_all_cri_containers
+  retries: 5
+  until: remove_all_cri_containers.rc == 0
   delay: 5
   tags:
     - crio
-  when: container_manager == 'crio'
+    - containerd
+  when: container_manager in ["crio", "containerd"]
+
+- name: reset | stop etcd services
+  service:
+    name: "{{ item }}"
+    state: stopped
+  with_items:
+    - etcd
+    - etcd-events
+  failed_when: false
+  tags:
+    - services
+
+- name: reset | remove etcd services
+  file:
+    path: "/etc/systemd/system/{{ item }}.service"
+    state: absent
+  with_items:
+    - etcd
+    - etcd-events
+  register: services_removed
+  tags:
+    - services
+
 - name: reset | gather mounted kubelet dirs
   shell: mount | grep /var/lib/kubelet/ | awk '{print $3}' | tac
   args: