adding --skip-exists flag for peer_with_router

Added dynamic inventory for AWS as contrib

upgrade k8s version to 1.6.4

Add host-based kubelet deployment

Kubelet gets copied from hyperkube container and run locally.

Minor kubelet updates

issue raw yum command since we don't have facts in bootstrapping

Fixed nova command to get available flavors

Update the kubernete and docker verion in readme

default to kubedns &set nxdomain in kubedns deployment if that's the dns_mode

- kubernetes v1.6.1
- docker v1.13.1

Signed-off-by: Hui Kang <hkang.sunysb@gmail.com>

Updated kubernetes-apps helm installation

Added full path for helm

Adding /O=system:masters to admin certificate

Add support for different tags for netcheck containers

bootstrap task on centos missing packages

Updating calico to v2.1.4

mount os-release to ensure the node's OS is what's seen in k8s api

Fix link from ansible.md to calico.md

This commit fixes a broken link from ansible.md to calico.md.

Switch CI to ansible 2.3.0

Replace 'netcheck_tag' with 'netcheck_version' and add additional
'netcheck_server_tag' and 'netcheck_agent_tag' config options to
provide ability to use different tags for server and agent
containers.

Closes: 1253
Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>

Ansible 2.3 support

- Fix when clauses in various places
- Update requirements.txt
- Fix README.md

Signed-off-by: Sergii Golovatiuk <sgolovatiuk@mirantis.com>

add MY_NODE_NAME variable into netchecker-agent environment