add flavor to project mapping

* add flavor to project mapping
* add readme and example

Author: GregWhiteyBialas

roles/os_flavors/README.md

@@ -1,8 +1,8 @@
 OpenStack Flavors
 =================
 
-This role can be used to register flavors in Nova using the
-`openstack.cloud.compute_flavor` module.
+This role can be used to register flavors in Nova and map them to projects
+using the `openstack.cloud.compute_flavor` module.
 
 Requirements
 ------------
@@ -32,6 +32,16 @@ may contain 'ephemeral', 'flavorid', 'rxtx_factor' and 'swap' items.
 Optionally, the dict may also contain an item 'extra_specs', which is a dict of
 metadata to attach to the flavor object.
 
+`is_public` default is `true`. It is a mandatory parameter when mapping flavor
+to project, and it have to be set to `false` in that case. Non public 
+flavor can't be mapped.  However there is possibility to create flavor which 
+is private and not mapped to any project. Only 'true' and 'false' are 
+allowed here.
+
+`project` single value, or list of projects, to which flavor should be mapped. 
+In other words: this flavor will be visible and usable only in said project(s).
+
+
 Dependencies
 ------------
 
@@ -63,6 +73,25 @@ The following playbook registers a Nova flavor.
                 hw:cpu_policy: "dedicated"
                 hw:numa_nodes: "1"
 
+The following playbook will allow uasge of `flavor-1` only in project `projectA`.
+
+    ---
+    - name: Map Nova flavors to projects
+      hosts: localhost
+      roles:
+        - role: openstack.cloud.compute_flavor_access
+          os_flavors_venv: "~/os-flavors-venv"
+          os_flavors_auth_type: "password"
+          os_flavors_auth:
+            project_name: <keystone project>
+            username: <keystone user>
+            password: <keystone password>
+            auth_url: <keystone auth URL>
+          os_flavors:
+            - name: flavor-1
+              is_public: false
+              project: "projectA"
+
 Author Information
 ------------------
 

roles/os_flavors/tasks/flavors.yml

@@ -12,8 +12,20 @@
     ephemeral: "{{ item.ephemeral | default(omit) }}"
     swap: "{{ item.swap | default(omit) }}"
     rxtx_factor: "{{ item.rxtx_factor | default(omit) }}"
-    is_public: "{{ item.is_public | default(omit) }}"
+    is_public: "{{ item.is_public | default('true') }}"
     flavorid: "{{ item.flavorid | default(omit) }}"
     extra_specs: "{{ item.extra_specs | default(omit) }}"
     state: "{{ item.state | default('present') }}"
   with_items: "{{ os_flavors }}"
+
+- name: Map nova flavors to projects
+  openstack.cloud.compute_flavor_access:
+    auth_type: "{{ os_flavors_auth_type }}"
+    auth: "{{ os_flavors_auth }}"
+    cacert: "{{ os_flavors_cacert | default(omit) }}"
+    interface: "{{ os_flavors_interface | default(omit, true) }}"
+    name: "{{ item.0.name }}"
+    state: "{{ item.0.state | default('present') }}"
+    project: "{{ item.1 | default(omit) }}"
+  loop: "{{ lookup('subelements', os_flavors, 'project', {'skip_missing': True}) }}"
+  when: not item.0.is_public | bool