* requirements.txt: Bump versions

Ansible 2.8+ allow ansible_python_interpreter autodetection

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

* tests: do not force ansible_python_interpreter

we do not expect people to set ansible_python_interpreter, so we should not set it in the CI

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

* Add CentOS 8 Calico to CI

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

* Azure Disk CSI deployment

* Mention Azure CSI support

* Fix: remove unnecessary file

* Typo in documentation

* Add newline to end of file

Azure vmss - kubelet: failed to get instance ID from cloud provider: instance not found #5824 (#5855)

* kubernetes-sigs-kubespray #5824

Added support nodes which are part of Virtual Machine Scale Sets(VMSS)

* kubernetes-sigs-kubespray #5824

* kubernetes-sigs-kubespray #5824

Added comments and updatetd azure docs.

* kubernetes-sigs-kubespray #5824

Added supported values comments for "azure_vmtype" in azure.yml

* GCP Persistent Disk CSI Driver deployment

* Fix MD lint

* Fix Yaml lint

Allows to add custom zone resolving servers.

* AWS EBS CSI implementation

* Fixing image repos

* Add OWNERS file

* Fix expressions

* Add csi-driver tag

* Add AWS EBS prefix to variables

* Add AWS EBS CSI Driver documentation

* fedora coreos support
- bootstrap and new fact for

* fedora coreos support
- fix bootstrap condition

* fedora coreos support
- allow customize packages for fedora coreos bootstrap

* fedora coreos support
- prevent install ptyhon3 and epel via dnf for fedora coreos

* fedora coreos support
- handle all ostree like os in same way

* fedora coreos support
- handle all ostree like os in same way for crio

* fedora coreos support
- add fcos documentations

* Add AWS ALB Ingress Controller Ansible role

* remove trailing spaces

* update owners

* ALB ingress: update rbac clusterrole and remove role

* Move alb-ingress role to roles/kubernetes-apps/ingress_controller folder

* Add document about adding/replacing a node

* Update nodes.md

Amend for comments

Allows to configure additionnal zone for domains not resolved by `upstream_dns_servers`.

* calico VXLAN mode

* check vars if calico backend defined

* add documentation for how to upgrade to the new external cloud provider

* add migrate_openstack_provider playbook

* fix codeblock syntax highligth

* make docs for migrating cloud provider better

* update grammar

* fix typo

* Make sure the code is correct markdown

* remove Fenced code blocks

* fix markdown syntax

* remove extra lines and fix trailing spaces

* download file

* download containers

* fix push image to nodes

* pull if none image on host

* fix

* improve docker image tag checks.
do not pull already cached images

* rebase fix merge conflict

* add support download_run_once when upgrade and scale cluster
add some test with download_run_once

* set default values to temp flag for every download cycle

* add save,load abilty for containerd and crio when download_run_once=true

* return redefine image save/load command to  set_docker_image_facts.yml

* move set command to set_container_facts

* ctr in containerd_bin_dir

* fix order of ctr image export arguments

* temporary disable download_run_once for containerd and crio
due https://github.com/containerd/containerd/issues/4075

* remove unused files

* fix strict yaml linter warning and errors

* refactor logical conditions to pull and cache container images

* remove comment due lint check

* document role

* remove image_load_on_localhost, because cached images are always loaded to docker on remote sites

* remove XXX from debug output

Although it is spelling mistakes, it might make affect while reading.

Signed-off-by: Nguyen Hai Truong <truongnh@vn.fujitsu.com>

* Fix HAproxy config to avoid client offered only unsupported versions error

* Add HAproxy SSL check interval

* Fix ha mode document markdown

* Fix incorrect assertion comparison for kube_network_node_prefix

* Ignore assertion comparison for kube_network_node_prefix when using calico

* Adding more var docs description for kube_network_node_prefix

* Fixing trailing whitespaces

* Ability to define plugins.cri.containerd params

* addition of containerd field commented as an example

* documentation of containerd_config

UPdate docs to match actuall required settings to perform an unsafe upgrade using cluster.yml playbook. Relates to https://github.com/kubernetes-sigs/kubespray/issues/4736 and https://github.com/kubernetes-sigs/kubespray/issues/4139 (#5609)

* Introduce kubelet_config_extra_args and kubelet_node_config_extra_args to pass params to kubelet via YAML config

* kubelet_config_extra_args is not the alternative

Fix http link to https link for security

Signed-off-by: Nguyen Hai Truong <truongnh@vn.fujitsu.com>

* set helm 3.0 as default

* remove trainling space in vars.yml

* switched to helm 3.0.3

* Fix recover-control-plane to work with etcd 3.3.x and add CI

* Set default values for testcase

* Add actual test jobs

* Attempt to satisty gitlab ci linter

* Fix ansible targets

* Set etcd_member_name as stated in the docs...

* Recovering from 0 masters is not supported yet

* Add other master to broken_kube-master group as well

* Increase number of retries to see if etcd needs more time to heal

* Make number of retries for ETCD loops configurable, increase it for recovery CI and document it

* improve documentation about user acct and connecting to API

* fix lint

On deployments types where etcd server is splitted from Kube Master, the deployment fails since it cannot find the variable.

* Rename CI jobs from ubuntu to ubuntu16

* Add CI matrix and script

* Add Helm 3.x support

* tiller enabled when helm < 3.0.0

* Deploy Cinder CSI driver to provision volumes over OpenStack

* Deploy Cinder CSI StorageClass

* Cinder CSI doc

Since it is unsupported to skip upgrades, I've detailed the steps for upgrading a step at a time and removed some language that indicated it should work