Add VMware DataStore support to glance

Add configure the VMware Storage Backend in glance-api.
Because of the following document was not updated:
https://docs.openstack.org/developer/glance/configuring.html#configuring-the-vmware-storage-backend

So,see code:
https://github.com/openstack/glance_store/blob/master/glance_store/_drivers/vmware_datastore.py
https://github.com/openstack/glance_store/blob/master/glance_store/backend.py

Partially-implements: blueprint kolla-ansible-support-vsphere

Change-Id: Icb73ec501aabd938eb23257518ce0650a329bef3

ansible/group_vars/all.yml

@@ -433,7 +433,7 @@ keystone_default_user_role: "_member_"
 #######################
 glance_backend_file: "{{ not enable_ceph | bool }}"
 glance_backend_ceph: "{{ enable_ceph }}"
-
+glance_backend_vmware: "no"
 
 #######################
 # Ceilometer options
@@ -551,3 +551,10 @@ ceph_nova_pool_name: "vms"
 ceph_erasure_profile: "k=4 m=2 ruleset-failure-domain=host"
 ceph_rule: "default host {{ 'indep' if ceph_pool_type == 'erasure' else 'firstn' }}"
 ceph_cache_rule: "cache host firstn"
+
+################################################
+# VMware - OpenStack WMware support
+################################################
+vmware_vcenter_host_ip:
+vmware_vcenter_host_username:
+vmware_vcenter_host_password:

ansible/roles/glance/defaults/main.yml

@@ -55,6 +55,16 @@ glance_api_image: "{{ docker_registry ~ '/' if docker_registry else '' }}{{ dock
 glance_api_tag: "{{ openstack_release }}"
 glance_api_image_full: "{{ glance_api_image }}:{{ glance_api_tag }}"
 
+####################
+# Glance
+####################
+glance_backends:
+  - name: "rbd,http"
+    enabled: "{{ enable_ceph | bool and glance_backend_ceph | bool }}"
+  - name: "vmware"
+    enabled: "{{ glance_backend_vmware | bool }}"
+
+glance_store_backends: "{{ glance_backends|selectattr('enabled', 'equalto', true)|list }}"
 
 ####################
 # OpenStack
@@ -68,3 +78,9 @@ glance_logging_debug: "{{ openstack_logging_debug }}"
 glance_keystone_user: "glance"
 
 openstack_glance_auth: "{{ openstack_auth }}"
+
+################################################
+# VMware - OpenStack WMware support
+################################################
+vmware_vcenter_name:
+vmware_datastore_name:

ansible/roles/glance/templates/glance-api.conf.j2

@@ -59,17 +59,33 @@ memcached_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansi
 flavor = keystone
 
 [glance_store]
-{% if enable_ceph | bool and glance_backend_ceph | bool %}
+{% if glance_backend_vmware | bool %}
+default_store = vsphere
+{% elif enable_ceph | bool and glance_backend_ceph | bool %}
 default_store = rbd
-stores = rbd,http
-rbd_store_user = glance
-rbd_store_pool = {{ ceph_glance_pool_name }}
-rbd_store_chunk_size = 8
 {% else %}
 default_store = file
 filesystem_store_datadir = /var/lib/glance/images/
 {% endif %}
 
+{% if glance_store_backends %}
+stores = {{ glance_store_backends|map(attribute='name')|join(',') }}
+{% endif %}
+
+{% if enable_ceph | bool and glance_backend_ceph | bool %}
+rbd_store_user = glance
+rbd_store_pool = {{ ceph_glance_pool_name }}
+rbd_store_chunk_size = 8
+{% endif %}
+
+{% if glance_backend_vmware | bool %}
+vmware_server_host = {{ vmware_vcenter_host_ip }}
+vmware_server_username = {{ vmware_vcenter_host_username }}
+vmware_server_password = {{ vmware_vcenter_host_password }}
+vmware_datastores = {{ vmware_vcenter_name }}:{{ vmware_datastore_name }}
+vmware_insecure = True
+{% endif %}
+
 [oslo_messaging_notifications]
 {% if enable_ceilometer | bool or enable_searchlight | bool %}
 driver = messagingv2

etc/kolla/globals.yml

@@ -232,6 +232,7 @@ kolla_internal_vip_address: "10.10.10.254"
 # Configure image backend.
 #glance_backend_file: "yes"
 #glance_backend_ceph: "no"
+#glance_backend_vmware: "no"
 
 #######################
 # Ceilometer options
@@ -334,3 +335,12 @@ tempest_floating_network_name:
 
 # tempest_image_alt_id: "{{ tempest_image_id }}"
 # tempest_flavor_ref_alt_id: "{{ tempest_flavor_ref_id }}"
+
+################################################
+# VMware - OpenStack WMware support
+################################################
+#vmware_vcenter_host_ip:
+#vmware_vcenter_host_username:
+#vmware_vcenter_host_password:
+#vmware_datastore_name:
+#vmware_vcenter_name: