Bump containerd to v1.3.0-k3s.4

Enable tests for arm

Bring up the cluster but early exit, arm images
do not exist for sonobuoy testing.

Downgrade build go to v1.12.12

rootless: add kubelet flags automatically

CentOS/RHEL compatibility for Ansible roles

Fix https://github.com/rancher/k3s/issues/784Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>

Hide the --disable-agent flag

Downgrade go to v1.13.2

Bump klipper-lb version

Remove trailing whitespace trimming from containerd template

inherit proxy from ENV on install

Signed-off-by: Brennan Ashton <brennana@jfrog.com>

Write proxy settings into FILE_K3S_ENV on install. This should address #627

Bump containerd, cri, & cri-tools

Bump go to v1.13.3

Add network policy support

Bump containerd shim runc v2

Fix containerd shim upgrade

Fallback to /etc/strongswan for config

Uninstall/killall should clean up /var/lib/kubelet also

Needed for docker image