replace hard-coded usernames with remote_user variable

roles/kubernetes/files/kubernetes.repo

@@ -0,0 +1,8 @@
+[kubernetes]
+name=Kubernetes
+baseurl=https://packages.cloud.google.com/yum/repos/kubernetes-el7-x86_64
+enabled=1
+gpgcheck=1
+repo_gpgcheck=1
+gpgkey=https://packages.cloud.google.com/yum/doc/yum-key.gpg
+        https://packages.cloud.google.com/yum/doc/rpm-package-key.gpg

roles/kubernetes/tasks/main.yml

@@ -47,6 +47,8 @@
 #### KERNEL TASKS ####
 ######################
 
+
+# TODO: get rid of inline http_proxy and fetch repo with the yum-repository ansible module
   - name: import elrepo gpg key
     shell: rpm -httpproxy http://[2001:470:6d:22c::1]:3128 --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
 
@@ -120,9 +122,10 @@
   - name: add docker-ce yum repository
     shell: yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
 
+
   - name: copy kubernetes repo config
     copy:
-      src: /Users/hybris/dev/k8s-ansible/files/kubernetes.repo
+      src: ../files/kubernetes.repo
       dest: /etc/yum.repos.d/kubernetes.repo
 
   - name: install packages