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Different ways to compose variables from other variables in Ansible
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| --- | |
| - hosts: 127.0.0.1 | |
| connection: local | |
| gather_facts: false | |
| vars: | |
| fedora_versions: | |
| - 29 | |
| - 31 | |
| - 33 | |
| registry_url: 'registry.fedoraproject.org' | |
| toolbox_image: 'fedora-toolbox' | |
| toolbox_dirs: [] | |
| registry_urls: [] | |
| pre_tasks: | |
| - set_fact: | |
| toolbox_dirs: "{{ toolbox_dirs }} + [ '{{ toolbox_image }}-{{ item }}' ]" | |
| registry_urls: "{{ registry_urls }} + [ '{{ registry_url }}/f{{ item }}/{{ toolbox_image }}:{{item }}' ]" | |
| loop: "{{ fedora_versions }}" | |
| tasks: | |
| - name: Ensure a directory exist to store the toolbox images | |
| debug: | |
| msg: 'mkdir ./{{ item }}' | |
| loop: "{{ toolbox_dirs }}" | |
| - name: Ensure the toolbox image is at local directory | |
| debug: | |
| msg: "skopeo copy docker://{{ item.0 }} dir:{{ item.1 }}" | |
| loop: "{{ registry_urls|zip(toolbox_dirs)|list }}" |
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| $ ansible-playbook -i 127.0.0.1, compose_variables.yml | |
| PLAY [127.0.0.1] ********************************************************************************************************************************************************************************************************************************* | |
| TASK [set_fact] ********************************************************************************************************************************************************************************************************************************** | |
| ok: [127.0.0.1] => (item=29) | |
| ok: [127.0.0.1] => (item=31) | |
| ok: [127.0.0.1] => (item=33) | |
| TASK [Ensure a directory exist to store the toolbox images] ************************************************************************************************************************************************************************************** | |
| ok: [127.0.0.1] => (item=fedora-toolbox-29) => { | |
| "msg": "mkdir ./fedora-toolbox-29" | |
| } | |
| ok: [127.0.0.1] => (item=fedora-toolbox-31) => { | |
| "msg": "mkdir ./fedora-toolbox-31" | |
| } | |
| ok: [127.0.0.1] => (item=fedora-toolbox-33) => { | |
| "msg": "mkdir ./fedora-toolbox-33" | |
| } | |
| TASK [Ensure the toolbox image is at local directory] ******************************************************************************************************************************************************************************************** | |
| ok: [127.0.0.1] => (item=['registry.fedoraproject.org/f29/fedora-toolbox:29', 'fedora-toolbox-29']) => { | |
| "msg": "skopeo copy docker://registry.fedoraproject.org/f29/fedora-toolbox:29 dir:fedora-toolbox-29" | |
| } | |
| ok: [127.0.0.1] => (item=['registry.fedoraproject.org/f31/fedora-toolbox:31', 'fedora-toolbox-31']) => { | |
| "msg": "skopeo copy docker://registry.fedoraproject.org/f31/fedora-toolbox:31 dir:fedora-toolbox-31" | |
| } | |
| ok: [127.0.0.1] => (item=['registry.fedoraproject.org/f33/fedora-toolbox:33', 'fedora-toolbox-33']) => { | |
| "msg": "skopeo copy docker://registry.fedoraproject.org/f33/fedora-toolbox:33 dir:fedora-toolbox-33" | |
| } | |
| PLAY RECAP *************************************************************************************************************************************************************************************************************************************** | |
| 127.0.0.1 : ok=3 changed=0 unreachable=0 failed=0 skipped=0 rescued=0 ignored=0 |
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