rename HOSTNAME to NODEMANE in calico

Change-Id: I59342c96010d302785719cdb514bbce480dc752f
diff --git a/kubernetes/files/calico/calico-node.service.master b/kubernetes/files/calico/calico-node.service.master
index 924364d..6c82298 100644
--- a/kubernetes/files/calico/calico-node.service.master
+++ b/kubernetes/files/calico/calico-node.service.master
@@ -8,7 +8,7 @@
 ExecStartPre=-/usr/bin/docker rm -f calico-node
 ExecStart=/usr/bin/docker run --net=host --privileged \
  --name=calico-node \
- -e HOSTNAME={{ master.host.name }} \
+ -e NODENAME={{ master.host.name }} \
  -e IP={{ master.apiserver.address }} \
  -e IP6={{ master.get('ipv6_address', '') }} \
 {%- if master.network.calico_network_backend is defined %}
diff --git a/kubernetes/files/calico/calico-node.service.pool b/kubernetes/files/calico/calico-node.service.pool
index dbc60e1..e156327 100644
--- a/kubernetes/files/calico/calico-node.service.pool
+++ b/kubernetes/files/calico/calico-node.service.pool
@@ -8,7 +8,7 @@
 ExecStartPre=-/usr/bin/docker rm -f calico-node
 ExecStart=/usr/bin/docker run --net=host --privileged \
  --name=calico-node \
- -e HOSTNAME={{ pool.host.name }} \
+ -e NODENAME={{ pool.host.name }} \
  -e IP={{ pool.address }} \
  -e IP6={{ pool.get('ipv6_address', '') }} \
 {%- if pool.network.calico_network_backend is defined %}