Update readme to Kubernetes 1.22 with Containerd

Author: javierruizjimenez

README.md

@@ -1,13 +1,26 @@
-# Ansible VirtualBox Vagrant Kubernetes
+# Ansible VirtualBox Vagrant Kubernetes 1.22 Containerd and Istio Tutorial (1 master N nodes)
 ## Building a Kubernetes Cluster with Vagrant and Ansible
 
 Tutorial with full source code explaining **how to create a Kubernetes cluster with Ansible and Vagrant** for local development.
 
 See https://www.itwonderlab.com/en/ansible-kubernetes-vagrant-tutorial/
 
+* 22 Dec 2019: Add information about using a Private Docker Registry as suggested by Brian Quandt.
+* 4 Nov 2019: Install and publish Kubernetes Dashboard under vagrant, with help from Alex Alongi. Add prerequisites section as requested
+* 26 Sep 2019: Update Calico networking and network security to release 3.9
+* 6 June 2019: Fix issue: kubectl was not able to recover logs. See new task “Configure node-ip … at kubelet”.
+* 10 Jul 2020:
+        Update prerequisites to latest releases
+        It now takes above 2 minutes
+        Change selection of hosts from Ansible groups to host-name pattern (hosts: k8s-m-* and hosts: k8s-n-*)
+* 3 Aug 2020: Allow different amount of CPU and MEM for master and nodes
+* 10 June 2021: Update host software dependencies (no changes in ansible or vagrant)
+* 16 August 2021: Update Ansible playbooks to use containerd instead of Docker (Kubernetes is deprecating Docker as a container runtime after v1.20.). 
+
+
 ------------------
 
-## Creación de un Clúster de Kubernetes usando Vagrant y Ansible
+## Creación de un Clúster de Kubernetes 1.22 Containerd e Istio usando Vagrant y Ansible (1 maestro N nodos)
 
 Creación de un **clúster Kubernetes con múltiples nodos usando Vagrant, Ansible y Virtualbox**. Especialmente indicado para entornos de desarrollo local realistas.
 

roles/k8s/common/defaults/main.yml

@@ -1,5 +1,3 @@
-
-
 k8s_common_add_packages_keys:
 - key: https://download.docker.com/linux/ubuntu/gpg
 - key: https://packages.cloud.google.com/apt/doc/apt-key.gpg
@@ -16,9 +14,6 @@ k8s_common_add_packages_names:
 - name: kubelet 
 - name: kubectl
 
-#- name: docker-ce
-#- name: docker-ce-cli 
-
 k8s_common_remove_packages_names:
 - name: 
 
@@ -34,7 +29,6 @@ k8s_common_sysctl:
   - name: net.bridge.bridge-nf-call-ip6tables
     value: 1
 
-
 k8s_common_admin_user:  "ubuntu"
 k8s_common_admin_group: "ubuntu"
 

roles/k8s/common/tasks/main.yml

@@ -44,15 +44,14 @@
     insertafter: '\[Service\]'
     state: present
   notify: restart kubelet
-  # --cgroup-driver=systemd --container-runtime=remote --container-runtime-endpoint=/run/containerd/containerd.sock
 
 - name: restart containerd
   service: 
     name: containerd 
     state: restarted 
     daemon_reload: yes
 
-- name: Delete configuration for containerd.conf (see https://github.com/containerd/containerd/issues/4581)
+- name: Delete configuration for containerd.conf as kubeadm is unable to detect containerd (see https://github.com/containerd/containerd/issues/4581)
   file:
     state: absent
     path:  /etc/containerd/config.toml