Remove forgotten 1.21 references

README.md

@@ -162,7 +162,7 @@ Note: Upstart/SysV init based OS types are not supported.
 
 ## Requirements
 
-- **Minimum required version of Kubernetes is v1.21**
+- **Minimum required version of Kubernetes is v1.22**
 - **Ansible v2.11+, Jinja 2.11+ and python-netaddr is installed on the machine that will run Ansible commands**
 - The target servers must have **access to the Internet** in order to pull docker images. Otherwise, additional configuration is required (See [Offline Environment](docs/offline-environment.md))
 - The target servers are configured to allow **IPv4 forwarding**.

roles/container-engine/cri-o/defaults/main.yml

@@ -41,7 +41,6 @@ crio_kubernetes_version_matrix:
   "1.24": "1.24"
   "1.23": "1.23"
   "1.22": "1.22"
-  "1.21": "1.21"
 
 crio_version: "{{ crio_kubernetes_version_matrix[crio_required_version] | default('1.24') }}"
 

roles/container-engine/cri-o/vars/amazon.yml

@@ -9,8 +9,6 @@ crio_versioned_pkg:
     - "cri-o-1.23.*"
   "1.22":
     - "cri-o-1.22.*"
-  "1.21":
-    - "cri-o-1.21.*"
 
 default_crio_packages: "{{ crio_versioned_pkg[crio_version] }}"
 

roles/container-engine/cri-o/vars/centos-7.yml

@@ -6,8 +6,6 @@ crio_versioned_pkg:
     - "cri-o-1.23.*"
   "1.22":
     - "cri-o-1.22.*"
-  "1.21":
-    - "cri-o-1.21.*"
 
 default_crio_packages: "{{ crio_versioned_pkg[crio_version] }}"
 

roles/container-engine/cri-o/vars/centos-8.yml

@@ -6,8 +6,6 @@ crio_versioned_pkg:
     - "cri-o-1.23.*"
   "1.22":
     - "cri-o-1.22.*"
-  "1.21":
-    - "cri-o-1.21.*"
 
 default_crio_packages: "{{ crio_versioned_pkg[crio_version] }}"
 

roles/container-engine/cri-o/vars/debian.yml

@@ -9,9 +9,6 @@ crio_versioned_pkg:
   "1.22":
     - "cri-o=1.22*"
     - cri-o-runc
-  "1.21":
-    - "cri-o=1.21*"
-    - cri-o-runc
 
 crio_debian_buster_backports_packages:
   - "libseccomp2"

roles/container-engine/cri-o/vars/fedora.yml

@@ -6,5 +6,4 @@ crio_kubernetes_version_matrix:
   "1.24": "1.23"
   "1.23": "1.23"
   "1.22": "1.22"
-  "1.21": "1.21"
 crio_version: "{{ crio_kubernetes_version_matrix[crio_required_version] | default('1.23') }}"

roles/container-engine/cri-o/vars/ubuntu.yml

@@ -9,9 +9,6 @@ crio_versioned_pkg:
   "1.22":
     - "cri-o=1.22*"
     - cri-o-runc
-  "1.21":
-    - "cri-o=1.21*"
-    - cri-o-runc
 
 default_crio_packages: "{{ crio_versioned_pkg[crio_version] }}"
 

roles/kubespray-defaults/defaults/main.yaml

@@ -252,7 +252,6 @@ kube_api_aggregator_routing: false
 kube_profiling: false
 
 # Graceful Node Shutdown
-# This requires kubernetes >= 1.21.0
 kubelet_shutdown_grace_period: 60s
 # kubelet_shutdown_grace_period_critical_pods should be less than kubelet_shutdown_grace_period
 # to give normal pods time to be gracefully evacuated