* sysctl file should be in defaults so that it can be overriden

* Change sysctl_file_path to be consistent with roles/kubernetes/preinstall/defaults/main.yml

This reverts commit 51f4e658.

Document how to allow ipip traffic with calico on OpenStack

run_once pre_upgrade tasks which are executing in localhost

cephfs-provisioner: Upgrade to a71a49d4

kubectl get pods from 'test' namespace as the pods were created in test ns

Properly check need_pip, always run pip to check if needed

support custom env vars for etcd

cert-manager: Upgrade to v0.2.4

pip was always being downloaded on subsequent runs, This PR always runs the pip command, and checks the rc of it before downloading pip

Fix in favor of #2582

ingress-nginx: Upgrade to 0.13.0

weave: Upgrade to 2.3.0

Vagrantfile: Add vagrant inventory file in any directory to .gitignore

Kubernetes logo in README.md

Replaced ansible_ssh_host with ansible_host in sample inventory file and fixed usage of bastion

* Raise limits for weave

* Adjust weave limits

Follow-on fix for #2654

Signed-off-by: Ganesh Maharaj Mahalingam <ganesh.mahalingam@intel.com>

Vagrantfile: Fix default inventory path.

Kubespray should not install any helm charts. This is a task
that a user should do on his/her own through ansible or another
tool. It opens the door to wrapping installation of any helm
chart.

move when condition to main.yml

Change to support multiple inventory path led to Vagrant environment not
getting a default group_vars in it's inventory path. Using sample as the
default path if none specified.

Fix issue #2541

Signed-off-by: Ganesh Maharaj Mahalingam <ganesh.mahalingam@intel.com>

Add openSUSE support

Use dedicated front-proxy-ca for front-proxy-client