clouds.yml

---
- set_fact:
      cloudname: "{{ (auth_file_path|basename == 'stackrc') |ternary('undercloud','overcloud') }}"

- name: get cloud variables
  shell: |
      for key in $( set | awk '{FS="="}  /^OS_/ {print $1}' ); do unset $key ; done
      source {{ auth_file_path }}
      echo -n "{{cloudname}}: \
        {'auth': \
          { 'auth_url': '$OS_AUTH_URL', \
            'username': '$OS_USERNAME', \
            'password': '$OS_PASSWORD', \
            $(if [ -n "$OS_USER_DOMAIN_NAME" ]; then echo "'user_domain_name': '${OS_USER_DOMAIN_NAME}',"; fi) \
            $(if [ -n "$OS_PROJECT_DOMAIN_NAME" ]; then echo "'project_domain_name': '${OS_PROJECT_DOMAIN_NAME}',"; fi) \
            'project_name': '${OS_PROJECT_NAME:-$OS_TENANT_NAME}' \
          } $(if [ -n "$OS_IDENTITY_API_VERSION" ]; then echo ",'identity_api_version': '${OS_IDENTITY_API_VERSION}'"; fi) }"
  register: cloud_details

- name: create clouds.yaml if doesn't exist
  blockinfile:
      content: 'clouds:'
      dest: "~/clouds.yaml"
      marker: "#{mark} HEADER"
      create: yes
  delegate_to: "{{ groups.shade | first }}"

- name: insert cloud parameters
  blockinfile:
      dest: "~/clouds.yaml"
      block: |5
            {{ cloud_details.stdout|from_yaml|to_nice_yaml(indent=4) }}
      insertbefore: "#END {{ cloudname }} SECTION"
      marker: "#{mark} {{ cloudname }} PARAMETERS"
  delegate_to: "{{ groups.shade | first }}"