Add a variable to kolla-ansible role for path to passwords.yml

This is the input file kept in $KAYOBE_CONFIG_PATH, rather than the generated
file in .

ansible/kolla-ansible.yml

@@ -198,3 +198,4 @@
 
   roles:
     - role: kolla-ansible
+      kolla_ansible_passwords_path: "{{ kayobe_config_path }}/kolla/passwords.yml"

ansible/roles/kolla-ansible/defaults/main.yml

@@ -24,6 +24,9 @@ kolla_config_path:
 # Directory where Kolla custom configuration files will be installed.
 kolla_node_custom_config_path:
 
+# Path to kolla-ansible passwords.yml input file.
+kolla_ansible_passwords_path:
+
 ###############################################################################
 # Kolla-ansible inventory configuration.
 

ansible/roles/kolla-ansible/tasks/config.yml

@@ -35,8 +35,8 @@
 
 - name: Ensure the Kolla passwords file exists
   kolla_passwords:
-    src: "{{ kayobe_config_path }}/kolla/passwords.yml"
-    dest: "{{ kayobe_config_path }}/kolla/passwords.yml"
+    src: "{{ kolla_ansible_passwords_path }}"
+    dest: "{{ kolla_ansible_passwords_path }}"
     mode: 0640
     sample: "{{ kolla_ansible_install_dir }}/etc_examples/kolla/passwords.yml"
     overrides: "{{ kolla_ansible_custom_passwords }}"
@@ -45,6 +45,6 @@
 
 - name: Ensure the Kolla passwords file is copied into place
   copy:
-    src: "{{ kayobe_config_path }}/kolla/passwords.yml"
+    src: "{{ kolla_ansible_passwords_path }}"
     dest: "{{ kolla_config_path }}/passwords.yml"
     remote_src: True