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

* Fix merge conflict

* Add check delay

* Add more liveness and readiness options to metrics-server

* disable metrics server in centos7-flannel-addons job

Change-Id: I1d87923547584896f64dda9ea8feb5581ad48cbe

* Fix tf facility->facilities syntax

Change-Id: I434bfe53f47e8e4a546890e0b62d24bde6e6d6a7

* Update Terraform CI for facilities

* Fix undefined variable error

This reverts commit f8fdc0cd.

Ansible 2.0 has deprecated the “ssh” from ansible_ssh_host.

Updating the docs to be more aligned with the Ansible version used in the sample/inventory.ini file as well.
Also adding `[bastion]` group in the docs to avoid confusion.

The docker service provided by the containers-basic bundle is masked
in ClearLinux distribution. This is causing errors in the following
steps. This commit ensures that the unit is not masked.

Broken since 4efb0b78

* Use K8s 1.14 and add kubeadm experimental control plane mode

This reverts commit d39c273d.

* Cleanup kubeadm setup run on first master

* pin kubeadm_certificate_key in test

* Remove kubelet autolabel of kube-node, add symlink for pki dir

Change-Id: Id5e74dd667c60675dbfe4193b0bc9fb44380e1ca

Hashes are added to calicoctl_binary_checksums for both adm and arm platforms.

The BINDIR variable defined on the runc's Makefile[1] defines
installation path is on $(PREFIX)/sbin which used for most of the
Linux distributions. This change fixes the absolute path used for
non-ClearLinux distributions (CentOS, Ubuntu).

[1] https://github.com/opencontainers/runc/blob/master/Makefile#L10