group_vars/all.yml, stack_params.yaml, README: specifying flavors enabled and documented (#638)

playbooks/provisioning/openstack/README.md

@@ -105,8 +105,12 @@ corresponding variable (e.g. `openstack_lb_image_name` for load balancer) and
 set its value to another available image name. `openstack_default_image_name`
 must stay defined as it is used as a default value for the rest of the roles.
 
-`openstack_default_flavor` is the Nova flavor the servers will use.
+`openstack_default_flavor` is the default Nova flavor the servers will use.
 You can see your flavors with `openstack flavor list`.
+In order to set a different flavor for a role, uncomment the line with the
+corresponding variable (e.g. `openstack_lb_flavor` for load balancer) and
+set its value to another available flavor. `openstack_default_flavor` must
+stay defined as it is used as a default value for the rest of the roles.
 
 `openstack_external_network_name` is the name of the Neutron network
 providing external connectivity. It is often called `public`,

playbooks/provisioning/openstack/sample-inventory/group_vars/all.yml

@@ -4,7 +4,6 @@ public_dns_domain: "example.com"
 public_dns_nameservers: []
 
 openstack_ssh_public_key: "openshift"
-openstack_default_flavor: "m1.medium"
 openstack_external_network_name: "public"
 #openstack_private_network_name:  "openshift-ansible-{{ stack_name }}-net"
 
@@ -23,6 +22,17 @@ openstack_num_masters: 1
 openstack_num_infra: 1
 openstack_num_nodes: 2
 
+# # Used Flavors
+# # - set specific flavors for roles by uncommenting corresponding lines
+# # - note: do note remove openstack_default_flavor definition
+#openstack_master_flavor: "m1.medium"
+#openstack_infra_flavor: "m1.medium"
+#openstack_node_flavor: "m1.medium"
+#openstack_lb_flavor: "m1.medium"
+#openstack_etcd_flavor: "m1.medium"
+#openstack_dns_flavor: "m1.medium"
+openstack_default_flavor: "m1.medium"
+
 # # Numerical index of nodes to remove
 # openstack_nodes_to_remove: []
 

playbooks/provisioning/openstack/stack_params.yaml

@@ -5,6 +5,12 @@ dns_nameservers: "{{ public_dns_nameservers }}"
 subnet_prefix: "{{ openstack_subnet_prefix }}"
 ssh_public_key: "{{ openstack_ssh_public_key }}"
 openstack_image: "{{ openstack_default_image_name }}"
+lb_flavor: "{{ openstack_lb_flavor | default(openstack_default_flavor) }}"
+etcd_flavor: "{{ openstack_etcd_flavor | default(openstack_default_flavor) }}"
+master_flavor: "{{ openstack_master_flavor | default(openstack_default_flavor) }}"
+node_flavor: "{{ openstack_node_flavor | default(openstack_default_flavor) }}"
+infra_flavor: "{{ openstack_infra_flavor | default(openstack_default_flavor) }}"
+dns_flavor: "{{ openstack_dns_flavor | default(openstack_default_flavor) }}"
 openstack_master_image: "{{ openstack_master_image_name | default(openstack_default_image_name) }}"
 openstack_infra_image: "{{ openstack_infra_image_name | default(openstack_default_image_name) }}"
 openstack_node_image: "{{ openstack_node_image_name | default(openstack_default_image_name) }}"
@@ -12,12 +18,6 @@ openstack_lb_image: "{{ openstack_lb_image_name | default(openstack_default_imag
 openstack_etcd_image: "{{ openstack_etcd_image_name | default(openstack_default_image_name) }}"
 openstack_dns_image: "{{ openstack_dns_image_name | default(openstack_default_image_name) }}"
 openstack_private_network: "{{ openstack_private_network_name | default ('openshift-ansible-' + stack_name + '-net') }}"
-lb_flavor: "{{ openstack_default_flavor | default('m1.small') }}"
-etcd_flavor: "{{ openstack_default_flavor | default('m1.small') }}"
-master_flavor: "{{ openstack_default_flavor | default('m1.medium') }}"
-node_flavor: "{{ openstack_default_flavor | default('m1.medium') }}"
-infra_flavor: "{{ openstack_default_flavor | default('m1.medium') }}"
-dns_flavor: "{{ openstack_default_flavor | default('m1.small') }}"
 external_network: "{{ openstack_external_network_name }}"
 num_etcd: "{{ openstack_num_etcd | default(0) }}"
 num_masters: "{{ openstack_num_masters }}"