Use native YAML syntax in mount tasks

Generally it is recommended[1] to use native YAML syntax in ansible
instead of one line definition, because it brings some benefits like
clear difference detected in git.

This patch updates existing mount tasks to follow that recommendation.

[1] https://www.ansible.com/blog/ansible-best-practices-essentials

Change-Id: I42c55ee0f69234fd54003e9cc471570f668c17b6

deployment/glance/glance-api-container-puppet.yaml

@@ -680,7 +680,12 @@ outputs:
               netapp_share_location: {get_param: NetappShareLocation}
               nfs_share: "{{ glance_nfs_share if (glance_nfs_share) else netapp_share_location }}"
               nfs_options: {get_param: GlanceNfsOptions}
-            mount: name=/var/lib/glance/images src="{{nfs_share}}" fstype=nfs opts="{{nfs_options}}" state=mounted
+            mount:
+              name: /var/lib/glance/images
+              state: mounted
+              fstype: nfs
+              src: "{{nfs_share}}"
+              opts: "{{nfs_options}}"
             when: nfs_backend_enabled or glance_netapp_nfs_enabled
           - name: Mount Node Staging Location
             vars:
@@ -688,7 +693,12 @@ outputs:
               glance_staging_nfs_share: {get_param: GlanceStagingNfsShare}
               glance_nfs_options: {get_param: GlanceStagingNfsOptions}
             # Gleaning mount point by stripping "file://" prefix from staging uri
-            mount: name="{{glance_node_staging_uri[7:]}}" src="{{glance_staging_nfs_share}}" fstype=nfs opts="{{glance_nfs_options}}" state=mounted
+            mount:
+              name: "{{glance_node_staging_uri[7:]}}"
+              state: mounted
+              fstype: nfs
+              src: "{{glance_staging_nfs_share}}"
+              opts: "{{glance_nfs_options}}"
             when: glance_staging_nfs_share != ''
           - name: ensure ceph configurations exist
             file:

deployment/nova/nova-compute-container-puppet.yaml

@@ -906,7 +906,12 @@ outputs:
               nfs_share: {get_attr: [RoleParametersValue, value, nfs_share]}
               nfs_options: {get_attr: [RoleParametersValue, value, nfs_options]}
               nfs_vers: {get_attr: [RoleParametersValue, value, nfs_vers]}
-            mount: name=/var/lib/nova/instances src="{{nfs_share}}" fstype=nfs4 opts="_netdev,bg,{{nfs_options}},vers={{nfs_vers}},nfsvers={{nfs_vers}}" state=mounted
+            mount:
+              name: /var/lib/nova/instances
+              state: mounted
+              fstype: nfs4
+              src: "{{nfs_share}}"
+              opts: "_netdev,bg,{{nfs_options}},vers={{nfs_vers}},nfsvers={{nfs_vers}}"
             when: nfs_backend_enable|bool
           - name: is Nova Resume Guests State On Host Boot enabled
             set_fact: