Enhanced OpenStack cloud provider (#1627)

- Enable Cinder API version for block storage
- Enable floating IP for LBaaS

inventory/group_vars/all.yml

@@ -74,9 +74,12 @@ bin_dir: /usr/local/bin
 #azure_vnet_name:
 #azure_route_table_name:
 
+## When OpenStack is used, Cinder version can be explicitly specified if autodetection fails (https://github.com/kubernetes/kubernetes/issues/50461)
+#openstack_blockstorage_version: "v1/v2/auto (default)"
 ## When OpenStack is used, if LBaaSv2 is available you can enable it with the following variables.
 #openstack_lbaas_enabled: True
 #openstack_lbaas_subnet_id: "Neutron subnet ID (not network ID) to create LBaaS VIP"
+#openstack_lbaas_floating_network_id: "Neutron network ID (not subnet ID) to get floating IP from, disabled by default"
 #openstack_lbaas_create_monitor: "yes"
 #openstack_lbaas_monitor_delay: "1m"
 #openstack_lbaas_monitor_timeout: "30s"

roles/kubernetes/preinstall/templates/openstack-cloud-config.j2

@@ -8,9 +8,17 @@ tenant-id={{ openstack_tenant_id }}
 domain-name={{ openstack_domain_name }}
 {% endif %}
 
+{% if openstack_blockstorage_version is defined %}
+[BlockStorage]
+bs-version={{ openstack_blockstorage_version }}
+{% endif %}
+
 {% if openstack_lbaas_enabled and openstack_lbaas_subnet_id %}
 [LoadBalancer]
 subnet-id={{ openstack_lbaas_subnet_id }}
+{% if openstack_lbaas_floating_network_id is defined %}
+floating-network-id={{ openstack_lbaas_floating_network_id }}
+{% endif %}
 create-monitor={{ openstack_lbaas_create_monitor }}
 monitor-delay={{ openstack_lbaas_monitor_delay }}
 monitor-timeout={{ openstack_lbaas_monitor_timeout }}

roles/kubespray-defaults/defaults/main.yaml

@@ -123,13 +123,16 @@ k8s_image_pull_policy: IfNotPresent
 efk_enabled: false
 enable_network_policy: false
 
+## When OpenStack is used, Cinder version can be explicitly specified if autodetection fails (https://github.com/kubernetes/kubernetes/issues/50461)
+#openstack_blockstorage_version: "v1/v2/auto (default)"
 ## When OpenStack is used, if LBaaSv2 is available you can enable it with the following variables.
 openstack_lbaas_enabled: false
-openstack_lbaas_subnet_id: "Neutron subnet ID (not network ID) to create LBaaS VIP"
-openstack_lbaas_create_monitor: "yes"
-openstack_lbaas_monitor_delay: false
-openstack_lbaas_monitor_timeout: false
-openstack_lbaas_monitor_max_retries: false
+#openstack_lbaas_subnet_id: "Neutron subnet ID (not network ID) to create LBaaS VIP"
+#openstack_lbaas_floating_network_id: "Neutron network ID (not subnet ID) to get floating IP from, disabled by default"
+#openstack_lbaas_create_monitor: "yes"
+#openstack_lbaas_monitor_delay: false
+#openstack_lbaas_monitor_timeout: false
+#openstack_lbaas_monitor_max_retries: false
 
 ## List of authorization modes that must be configured for
 ## the k8s cluster. Only 'AlwaysAllow','AlwaysDeny', and