* Fix nodeselectors for contiv and nginx-ingress

Change-Id: Ib3eb6bd87193c69a90ee944c9164a0b6792c79ba

* Set kube proxy mode to iptables for addons task

Change-Id: Iff71a71f672405c74b4708c71db15ddc4391a53a

* kube-apiserver will fail if used comma as separator

* Fix kubeadm upload certs with when condition

Change-Id: I916dd2375b71eea2386047c7f185a2f8361f7a61

* Update kubeadm-secondary-experimental.yml

Change-Id: I131d77bb9d16cc0f252dd86166c29f72daa9a64a

Cilium requires a high kernel. rhel7 and centos7 are too low, so they are removed.
Bumping ubuntu to ubuntu-1804

Change-Id: Ib1bffa45b8f9ed0ba500f751714372b3a3f7878b

* Fix metrics-server deployment

* Make metrics server work

* Fix sample inventory

* Add support calico kubernetes datastore and typha.

* Add typha_enabled to kubespray-defaults.

Use host_architecture variable.

Change-Id: I71dc793641bc168e40419e38f33f68f5325e77a9

Change-Id: I2c97c4753089eb3ec2e6b01b2681a8be98ecbb57

* Pass ansible_ssh_user as host_var

Co-authored-by: Damian Darczuk <damian.darczuk@intel.com>
Co-authored-by: Paweł Pałucki <pawel.palucki@intel.com>

* Create a directory before downloading container images to ansible host

Co-authored-by: Damian Darczuk <damian.darczuk@intel.com>
Co-authored-by: Paweł Pałucki <pawel.palucki@intel.com>

* Set private key usuing synchronize task options

Co-authored-by: Damian Darczuk <damian.darczuk@intel.com>
Co-authored-by: Paweł Pałucki <pawel.palucki@intel.com>

* Mark "Calico | Set global as_num" as "unchanged"

This command executes with "--skip-exists" parameter, so it is idempotent
and should not be marked as "changed".

* trigger ci

* Switch deploy-part1 AIO job to Calico

* Cleanup file

* Remove newline at end

add the support of the folling property in azure-credential-check.yml
  - azure_loadbalancer_sku: Sku of Load Balancer and Public IP. Candidate values are: basic and standard.
  - azure_exclude_master_from_standard_lb: excludes master nodes from standard load balancer.
  - azure_disable_outbound_snat: disables the outbound SNAT for public load balancer rules
  - useInstanceMetadata: Use instance metadata service where possible
  - azure_primary_availability_set: (Optional) The name of the availability set that should be used as the load balancer backend

We don't need to support upgrades from 2 year old installs,
just from the last major version.

Also changed most retried tasks to 1s delay instead of longer.

As of kubernetes v1.14, docker 18.09 is [validated for use](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.14.md#external-dependencies). Docker 1.11 and 1.12 were dropped.

This patch:
- Updates the default docker version to 18.09
- Updates Docker packages to the latest 18.09 patch (18.09.5)
- Removes options for Docker 1.11 and 1.12

Circumvented one false positive from ansible-lint
Moved a block of jinja magic into its own variable

* Merge 020_check and 030_check

* Fix pods output and fail if test pods is not ready

* Add README to bootstrap-os role

* Rework bootstrap-os once more

* Document workarounds for bugs/deficiencies in Ansible modules
* Unify and document role variables
* Remove installation of additional packages and repositories
* Merge Ubuntu and Debian tasks
* Remove pipelining setting from default playbooks
* Fix OpenSUSE not running its required tasks