Enable containerd to deploy vanilla containerd package (#4951)

* Enable containerd to deploy vanilla containerd package

Fixes kubeadm references to CRI socket for containerd
Fixes download role cache feature to work with containerd

Change-Id: I2ab8f0031107e2f0d1a85c39b4beb66f08509a01

* use containerd for flannel-addons job

Change-Id: Ied375c7d65e64a625ffbd995ff16f2374067dee6

* add containerd vars

Change-Id: Ib9a8a04e501c481a86235413cbec63f3672baf91

* fixup vars

Change-Id: Ibea64e4b18405a578b52a13da100384582aa24c2

* more fixes

* fix rh repo

Change-Id: I00575a77cfb7b81d6095db5d918a52023c8f13ba

* Adjust helm host install for containerd

roles/container-engine/containerd/defaults/main.yml

@@ -10,3 +10,35 @@ containerd_config:
   registries:
     "docker.io": "https://registry-1.docker.io"
   max_container_log_line_size: -1
+
+containerd_version: '1.2.6'
+containerd_package: 'containerd.io'
+
+containerd_cfg_dir: /etc/containerd
+
+# Path to runc binray
+runc_binary: /usr/sbin/runc
+
+
+yum_repo_dir: /etc/yum.repos.d
+yum_conf: /etc/yum.conf
+containerd_yum_conf: /etc/yum_containerd.conf
+
+# Optional values for containerd apt repo
+containerd_package_info:
+  pkgs:
+
+containerd_repo_key_info:
+  repo_keys:
+
+containerd_repo_info:
+  repos:
+
+extras_rh_repo_base_url: "http://mirror.centos.org/centos/$releasever/extras/$basearch/"
+extras_rh_repo_gpgkey: "http://mirror.centos.org/centos/RPM-GPG-KEY-CentOS-7"
+
+# Ubuntu docker-ce repo
+containerd_ubuntu_repo_base_url: "https://download.docker.com/linux/ubuntu"
+containerd_ubuntu_repo_gpgkey: 'https://download.docker.com/linux/ubuntu/gpg'
+containerd_ubuntu_repo_repokey: '9DC858229FC7DD38854AE2D88D81803C0EBFCD88'
+containerd_ubuntu_repo_component: 'stable'