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9a401e73a6
Fixes #3686 Dependencies are enabled by adding a new directory/file named meta/main.yml to the role. The format of the dependencies are: dependencies: - { role: foo, x: 1, y: 2 } - { role: bar, x: 3, y: 4 } ... Dependencies inherit variables as they are seen at the time of the dependency inclusion. For example, if foo(x=1, y=2) has a dependency on bar(x=3,z=4), then bar will have variables (x=3,y=2,z=4). Different roles can have dependencies on the same role, and this variable inheritence allows for the reuse of generic roles quite easily. For example: Role 'car' has the following dependencies: dependencies: - { role: wheel, n: 1 } - { role: wheel, n: 2 } - { role: wheel, n: 3 } - { role: wheel, n: 4 } Role 'wheel' has the following dependencies: dependencies: - { role: tire } - { role: brake } The role 'car' is then used as follows: - { role: car, type: honda } And tasks/main.yml in each role simply contains the following: - name: {{ type }} whatever {{ n }} command: echo '' TASK: [honda tire 1] TASK: [honda brake 1] TASK: [honda wheel 1] TASK: [honda tire 2] TASK: [honda brake 2] TASK: [honda wheel 2] TASK: [honda tire 3] TASK: [honda brake 3] TASK: [honda wheel 3] TASK: [honda tire 4] TASK: [honda brake 4] TASK: [honda wheel 4] TASK: [I'm a honda] <- (this is in roles/car/tasks/main.yml) |
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| .. | ||
| callback_plugins | ||
| inventory | ||
| playbook | ||
| runner | ||
| utils | ||
| __init__.py | ||
| callbacks.py | ||
| color.py | ||
| constants.py | ||
| errors.py | ||
| module_common.py | ||