Gate: specify user for tiller image used for bootstrapping cluster

This PS updates the ansible roles to update the user used with
the tiller image used for bootstrapping to allow access to approprate
config files used. This is required for use with the current master
tiller image, which no longer deffaults to the root user.

Change-Id: I61f28a2ebeecb22eb66e0394417b0af3a9116483
Signed-off-by: Pete Birley <pete@port.direct>

tools/images/kubeadm-aio/assets/opt/playbooks/roles/deploy-kubeadm-master/tasks/helm-cni.yaml

@@ -30,6 +30,7 @@
         detach: true
         recreate: yes
         network_mode: host
+        user: root
         volumes:
           - /etc/kubernetes/admin.conf:/etc/kubernetes/admin.conf:ro
         env:

tools/images/kubeadm-aio/assets/opt/playbooks/roles/deploy-kubeadm-master/tasks/helm-deploy.yaml

@@ -30,6 +30,7 @@
         detach: true
         recreate: yes
         network_mode: host
+        user: root
         volumes:
           - /etc/kubernetes/admin.conf:/etc/kubernetes/admin.conf:ro
         env:

tools/images/kubeadm-aio/assets/opt/playbooks/roles/deploy-kubeadm-master/tasks/helm-dns.yaml

@@ -30,6 +30,7 @@
         detach: true
         recreate: yes
         network_mode: host
+        user: root
         volumes:
           - /etc/kubernetes/admin.conf:/etc/kubernetes/admin.conf:ro
         env:

tools/images/kubeadm-aio/assets/opt/playbooks/roles/deploy-kubeadm-master/tasks/helm-keystone-auth.yaml

@@ -30,6 +30,7 @@
         detach: true
         recreate: yes
         network_mode: host
+        user: root
         volumes:
           - /etc/kubernetes/admin.conf:/etc/kubernetes/admin.conf:ro
         env: