Merge branch 'master' into synthscale

roles/kernel-upgrade/tasks/reboot.yml

...ubernetes-apps/ansible/tasks/calico-policy-controller.yml

roles/kubernetes-apps/ansible/tasks/main.yml

roles/kubernetes-apps/ansible/tasks/netchecker.yml

roles/kubernetes-apps/helm/tasks/main.yml

roles/kubernetes-apps/kpm/tasks/main.yml

roles/kubernetes-apps/meta/main.yml

roles/kubernetes-apps/network_plugin/canal/tasks/main.yml

roles/kubernetes/master/handlers/main.yml

roles/kubernetes/master/tasks/main.yml

roles/kubernetes/master/tasks/pre-upgrade.yml

roles/kubernetes/node/tasks/main.yml

roles/kubernetes/node/tasks/nginx-proxy.yml

roles/kubernetes/preinstall/tasks/dhclient-hooks-undo.yml

...s/kubernetes/preinstall/tasks/growpart-azure-centos-7.yml

roles/kubernetes/preinstall/tasks/main.yml

roles/kubernetes/preinstall/tasks/set_facts.yml

roles/kubernetes/preinstall/tasks/set_resolv_facts.yml

roles/kubernetes/secrets/tasks/gen_certs_script.yml

roles/kubernetes/secrets/tasks/main.yml