* Containerd: download containerd from upstream instead of using distro specific packages

split runc download to separate role
make bootstrap-os role deploy container-selinux and seccomp libraries
clean up package manager provided containerd
move variables to docker role that are no longer common with containerd

* Containerd: make molecule testing more relevant

* replace ubuntu18 with ubuntu20
* add centos8 and debian11 to molecule tests
* run kubernetes/preinstall role to ensure relevancy
  of test including dependency packages

* CI: adjust test scenarios for downloaded containerd

* Add Rocky as a known OS

* Make sure Rocky includes bootstrap-centos.yml

* Update docs with Rocky Linux

* Rocky Linux wireguard and EPEL

* Rocky Linux in the list of supported distributions

* Add kubeadm_join_phases_skip variable

* Update kubeadm_join_phases_skip comment

Co-authored-by: Cristian Calin <6627509+cristicalin@users.noreply.github.com>

* Add kubeadm_join_phases_skip_default variable to follow the same logic with kubeadm_init_phases_skip

Co-authored-by: Cristian Calin <6627509+cristicalin@users.noreply.github.com>

to remove deprecation warning:

> Flag --feature-gates has been deprecated, This parameter should be set via the config file specified by the Kubelet's --config flag.

Closes https://github.com/kubernetes-sigs/kubespray/issues/8028



Signed-off-by: Iago Santos <iago.santos.pardo@adfinis.com>

Kubespray deployment failed when using containerd backend on nodes that apparmor was not installed or previously removed. This PR ensure apparmor is installed by adding it into required_pkgs var.

Kubespray deployment failed when using containerd backend on nodes that apparmor was not installed or previously removed. This PR ensure apparmor is installed by adding it into required_pkgs var.

The path of kubeconfig should be configurable, and its default value
is /etc/kubernetes/admin.conf. Most paths of the file are configurable
but some were not. This make those configurable.

and kubelet_shutdown_grace_period_critical_pods as ansible cannot do
sane time interval calculations

Signed-off-by: Wang Zhen <lazybetrayer@gmail.com>

* Calico: make calico_min_version check relevant

* Calico: only check currently installed version against the oldest supported version by the previous release

Add option to kubeadm upgrade command to control certificates renewal during control plane upgrade (#7976)

* Add option to kubeadm upgrade command to control certificates renewal during control plane upgrade

* Remove training whitespace

On Debian 11, `ipset` just recommend `iptables` so on the system that apt is configured with `APT::Install-Recommends "0";` iptables will not install automatically.

* Feature DynamicKubeletConfig is deprecated in 1.22 and will not move to GA

* Add check for dynamic_kubelet_configuration with kube >= 1.22

- Use python3-apt instead because python-apt was removed in Debian 11
- Add gnupg (fix "container-engine/containerd : ensure containerd repository public key is installed" task failed)
- Remove aufs-tools

Signed-off-by: rtsp <git@rtsp.us>

* Fedora and RHEL use etc_t and the convention is <type_name>_t

* Docs: specify all values for preinstall_selinux_state

* CI: Add Fedora 34 with SELinux in enforcing mode

* Ansible: move to Ansible 3.4.0 which uses ansible-base 2.10.10

* Docs: add a note about ansible upgrade post 2.9.x

* CI: ensure ansible is removed before ansible 3.x is installed to avoid pip failures

* Ansible: use newer ansible-lint

* Fix ansible-lint 5.0.11 found issues

* syntax issues
* risky-file-permissions
* var-naming
* role-name
* molecule tests

* Mitogen: use 0.3.0rc1 which adds support for ansible 2.10+

* Pin ansible-base to 2.10.11 to get package fix on RHEL8

* replaced deprecated python package with python3 package

* removed the version due to duplication

* Enable Graceful Node Shutdown for Kubernetes >= 1.21.0

* Add sample graceful shutdown parameters

* Docker/Containerd: move downloads urls to containerd-common

* gVisor: initial support for gVisor container runtime

* Calico: align manifests with upstream

* allow enabling typha prometheus metrics

* Calico: enable eBPF support

* manage the kubernetes-services-endpoint configmap

* Calico: document the use of eBPF dataplane

* Calico: improve checks before deployment

* enforce disabling kube-proxy when using eBPF dataplane
* ensure calico_version is supported

* Update docker package to 20.10.6

* Add Fedora 33 image and CI, remove Fedora 31 (EOL)

follow new naming conventions for gcr's coredns image.
starting from 1.21 kubeadm assumes it to be `coredns/coredns`:
this causes the kubeadm deployment being unable to pull image, beacuse `v`
was also added in image tag, until the role `kubernetes-apps` ovverides
it with the old name, which is only compatible with <=1.7.

Backward comptability with kubeadm <=1.20 is mantained checking
kubernetes version and falling back to old names (`coredns:1.xx`) when
the version is less than 1.21

* rename ansible groups to use _ instead of -

k8s-cluster -> k8s_cluster
k8s-node -> k8s_node
calico-rr -> calico_rr
no-floating -> no_floating

Note: kube-node,k8s-cluster groups in upgrade CI
      need clean-up after v2.16 is tagged

* ensure old groups are mapped to the new ones

* AlmaLinux: ansible>2.9.19 is needed to know about AlmaLinux

* AlmaLinux: identify as a centos derrivative

* AlmaLinux: add AlmaLinux to checks for CentOS

* Use ansible_os_family to compare family and not distribution