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---
- hosts: undercloud
vars:
metadata:
name: Verify existence of deployment images
description: >
This validation checks that images bm-deploy-kernel and
bm-deploy-ramdisk exist before deploying the overcloud,
and that only one exists by that name.
groups:
- pre-deployment
- pre-upgrade
deploy_kernel_name: "bm-deploy-kernel"
deploy_ramdisk_name: "bm-deploy-ramdisk"
tasks:
- name: Fetch deploy kernel by name
set_fact:
deploy_kernel_id: "{{ lookup('glance_images', 'name', ['{{ deploy_kernel_name }}'], wantlist=True) | map(attribute='id') | list }}"
- name: Fetch deploy ramdisk by name
set_fact:
deploy_ramdisk_id: "{{ lookup('glance_images', 'name', ['{{ deploy_ramdisk_name }}'], wantlist=True) | map(attribute='id') | list }}"
- name: Fail if image is not found
fail: msg="No image with the name '{{ item.name }}' found - make sure you have uploaded boot images."
failed_when: item.id | length < 1
with_items:
- { name: '{{deploy_kernel_name}}', id: '{{deploy_kernel_id}}' }
- { name: '{{deploy_ramdisk_name}}', id: '{{deploy_ramdisk_id}}' }
- name: Fail if there is more than one image
fail: msg="Please make sure there is only one image named '{{ item.name }}' in glance."
failed_when: item.id | length > 1
with_items:
- { name: '{{deploy_kernel_name}}', id: '{{deploy_kernel_id}}' }
- { name: '{{deploy_ramdisk_name}}', id: '{{deploy_ramdisk_id}}' }