2021-12-11 16:28:17 +01:00
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---
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- name: Check node state.
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register: node_state
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shell: "docker info --format '{{ '{{' }}.Swarm.LocalNodeState{{ '}}' }}'"
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ignore_errors: true
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2021-12-13 11:59:34 +01:00
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changed_when: false
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2021-12-11 16:28:17 +01:00
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- name: Add worker to swarm.
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register: join_cmd
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shell: >
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docker swarm join
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--token {{ hostvars.admin.worker_token }}
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{{ hostvars.admin.ansible_host }}:2377
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# 0 means it was successfully added, 1 means it's already in the swarm.
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failed_when: join_cmd.rc != 0
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changed_when: join_cmd.rc == 0
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when: node_state.stdout not in [ 'active', 'locked', 'error' ]
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