k8s_fedora: Make CoreDNS config a SoftwareDeployment

After adding the autoscaler for coredns, the limit
for user_data was reached again. Make coredns
config a SoftwareDeployment.

Change-Id: I0a9852e9293842e859947acf0c4b6da20394436a
Closes-Bug: #1757554

magnum/drivers/common/templates/kubernetes/fragments/core-dns-service.sh

@@ -5,7 +5,7 @@
 _dns_prefix=${CONTAINER_INFRA_PREFIX:-docker.io/coredns/}
 _autoscaler_prefix=${CONTAINER_INFRA_PREFIX:-docker.io/googlecontainer/}
 
-CORE_DNS=/etc/kubernetes/manifests/kube-coredns.yaml
+CORE_DNS=/srv/magnum/kubernetes/manifests/kube-coredns.yaml
 [ -f ${CORE_DNS} ] || {
     echo "Writing File: $CORE_DNS"
     mkdir -p $(dirname ${CORE_DNS})
@@ -251,4 +251,4 @@ do
     sleep 5
 done
 
-kubectl create --validate=false -f $CORE_DNS
+kubectl apply --validate=false -f $CORE_DNS

magnum/drivers/k8s_fedora_atomic_v1/templates/kubemaster.yaml

@@ -522,12 +522,6 @@ resources:
       group: ungrouped
       config: {get_file: ../../common/templates/kubernetes/fragments/kube-apiserver-to-kubelet-role.sh}
 
-  core_dns_service:
-    type: OS::Heat::SoftwareConfig
-    properties:
-      group: ungrouped
-      config: {get_file: ../../common/templates/kubernetes/fragments/core-dns-service.sh}
-
   master_wc_notify:
     type: OS::Heat::SoftwareConfig
     properties:
@@ -570,9 +564,22 @@ resources:
         - config: {get_resource: write_network_config}
         - config: {get_resource: network_config_service}
         - config: {get_resource: kube_apiserver_to_kubelet_role}
-        - config: {get_resource: core_dns_service}
         - config: {get_resource: master_wc_notify}
 
+  core_dns_service:
+    type: OS::Heat::SoftwareConfig
+    properties:
+      group: script
+      config: {get_file: ../../common/templates/kubernetes/fragments/core-dns-service.sh}
+
+  core_dns_service_deployment:
+    type: OS::Heat::SoftwareDeployment
+    properties:
+      signal_transport: HEAT_SIGNAL
+      config: {get_resource: core_dns_service}
+      server: {get_resource: kube-master}
+      actions: ['CREATE']
+
   enable_prometheus_monitoring:
     type: OS::Heat::SoftwareConfig
     properties: