added role for containerd and improve kubernetes/base

1 files changed, 25 insertions, 20 deletions

diff --git a/roles/kubernetes/base/tasks/main.yml b/roles/kubernetes/base/tasks/main.yml
index 0b0be821..375bb63e 100644
--- a/roles/kubernetes/base/tasks/main.yml
+++ b/roles/kubernetes/base/tasks/main.yml
@@ -1,25 +1,11 @@
 ---
 - name: prepare /var/lib/kubelet as LVM
   when: kubelet_lvm is defined
-  block:
+  import_tasks: lvm.yml
 
-  - name: create logical volume
-    lvol:
-      vg: "{{ kubelet_lvm.vg }}"
-      lv: "{{ kubelet_lvm.lv }}"
-      size: "{{ kubelet_lvm.size }}"
-
-  - name: create filesystem
-    filesystem:
-      fstype: "{{ kubelet_lvm.fs }}"
-      dev: "/dev/mapper/{{ kubelet_lvm.vg | replace('-', '--') }}-{{ kubelet_lvm.lv | replace('-', '--') }}"
-
-  - name: mount filesytem
-    mount:
-      src: "/dev/mapper/{{ kubelet_lvm.vg | replace('-', '--') }}-{{ kubelet_lvm.lv | replace('-', '--') }}"
-      path: /var/lib/kubelet
-      fstype: "{{ kubelet_lvm.fs }}"
-      state: mounted
+- name: prepare /var/lib/kubelet as ZFS dataset
+  when: kubelet_zfs is defined
+  import_tasks: zfs.yml
 
 - name: install apt https transport
   apt:
@@ -35,17 +21,19 @@
 - name: add repository entry
   copy:
     content: |
-      deb http://apt.kubernetes.io/ kubernetes-xenial main
+      deb https://apt.kubernetes.io/ kubernetes-xenial main
     dest: /etc/apt/sources.list.d/kubernetes.list
   notify: update apt cache
 
 - name: update apt cache
   meta: flush_handlers
 
-- name: install kubelet
+- name: install kubelet and utils
   apt:
     name:
     - "kubelet{% if kubernetes.pkg_version is defined %}={{ kubernetes.pkg_version }}{% endif %}"
+    - cri-tools
+    - bridge-utils
     state: present
 
 - name: disable automatic upgrades for kubelet
@@ -56,6 +44,23 @@
     name: "{{ item }}"
     selection: hold
 
+- name: configure crictl to use containerd
+  when: kubernetes_container_runtime == 'containerd'
+  loop:
+    - zsh
+    - bash
+  blockinfile:
+    path: "/root/.{{ item }}rc"
+    create: yes
+    marker: "### {mark} ANSIBLE MANAGED BLOCK for crictl ###"
+    content: |
+      alias crictl="crictl --runtime-endpoint unix:///run/containerd/containerd.sock"
+      {% if item == 'zsh' %}
+      ## TODO: see https://github.com/kubernetes-sigs/cri-tools/issues/435
+      autoload -U +X bashcompinit && bashcompinit
+      {% endif %}
+      source <(crictl completion)
+
 - name: add dummy group with gid 998
   group:
     name: app