Added checks for configured images and flavors (#688)

* prerequisites, custom_*_check: added checking that specified images/flavors are available

- uses stack_params as a source of variable value which is then passed to the HOT

* minor fixes

playbooks/provisioning/openstack/custom_flavor_check.yaml

@@ -0,0 +1,9 @@
+---
+- name: Try to get flavor facts
+  os_flavor_facts:
+    name: "{{ flavor }}"
+  register: flavor_result
+- name: Check that custom flavor is available
+  assert:
+    that: "flavor_result.ansible_facts.openstack_flavors"
+    msg: "Flavor {{ flavor }} is not available."

playbooks/provisioning/openstack/custom_image_check.yaml

@@ -0,0 +1,9 @@
+---
+- name: Try to get image facts
+  os_image_facts:
+    image: "{{ image }}"
+  register: image_result
+- name: Check that custom image is available
+  assert:
+    that: "image_result.ansible_facts.openstack_image"
+    msg: "Image {{ image }} is not available."

playbooks/provisioning/openstack/prerequisites.yml

@@ -84,3 +84,35 @@
     assert:
       that: 'key_result.rc == 0'
       msg: "Keypair {{ openstack_ssh_public_key }} is not available"
+
+# Check that custom images and flavors exist
+- hosts: localhost
+
+  # Include variables that will be used by heat
+  vars_files:
+  - stack_params.yaml
+
+  tasks:
+  # Check that custom images are available
+  - include: custom_image_check.yaml
+    with_items:
+    - "{{ openstack_master_image }}"
+    - "{{ openstack_infra_image }}"
+    - "{{ openstack_node_image }}"
+    - "{{ openstack_lb_image }}"
+    - "{{ openstack_etcd_image }}"
+    - "{{ openstack_dns_image }}"
+    loop_control:
+      loop_var: image
+
+  # Check that custom flavors are available
+  - include: custom_flavor_check.yaml
+    with_items:
+    - "{{ master_flavor }}"
+    - "{{ infra_flavor }}"
+    - "{{ node_flavor }}"
+    - "{{ lb_flavor }}"
+    - "{{ etcd_flavor }}"
+    - "{{ dns_flavor }}"
+    loop_control:
+      loop_var: flavor