45 lines
1.7 KiB
YAML
45 lines
1.7 KiB
YAML
---
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# NOTE(awiddersheim): Gather facts for all hosts as a
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# first step since several plays below require them when
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# building their configurations. The below 'gather_facts'
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# set to 'false' is a bit confusing but this is to avoid
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# Ansible gathering facts twice.
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- name: Gather facts for all hosts
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hosts: all
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serial: '{{ kolla_serial|default("0") }}'
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gather_facts: false
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tasks:
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- name: Gather facts
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setup:
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- name: Group hosts to determine when using --limit
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group_by:
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key: "all_using_limit_{{ (ansible_play_batch | length) != (groups['all'] | length) }}"
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tags: always
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# NOTE(pbourke): This case covers deploying subsets of hosts using --limit. The
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# limit arg will cause the first play to gather facts only about that node,
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# meaning facts such as IP addresses for rabbitmq nodes etc. will be undefined
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# in the case of adding a single compute node.
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# NOTE(mgoddard): Divide all hosts to be queried between the hosts selected via
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# the limit.
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- name: Gather facts for all hosts (if using --limit)
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hosts: all_using_limit_True
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serial: '{{ kolla_serial|default("0") }}'
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gather_facts: false
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vars:
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batch_index: "{{ ansible_play_batch.index(inventory_hostname) }}"
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batch_size: "{{ ansible_play_batch | length }}"
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# Use a python list slice to divide the group up.
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# Syntax: [<start index>:<end index>:<step size>]
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delegate_hosts: "{{ groups['all'][batch_index | int::batch_size | int] }}"
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tasks:
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- name: Gather facts
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setup:
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delegate_facts: True
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delegate_to: "{{ item }}"
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with_items: "{{ delegate_hosts }}"
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# We gathered facts for all hosts in the batch during the first play.
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when: item not in ansible_play_batch
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tags: always
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