Update guideline docs for os specific tasks
We're not actually following this. Let's either update the docs to reflect on how os specific tasks are handled or update the roles to follow the guidelines. Change-Id: I9b987efaf597acd34cbcacccd37415dd205a7fba
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@ -96,36 +96,31 @@ Here are a few guidelines to help make roles OS-independent when possible:
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* Use the **package** module instead of **yum**, **apt** or other
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* Use the **package** module instead of **yum**, **apt** or other
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distribution-specific commands.
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distribution-specific commands.
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* If more than one specific task is needed for a specific OS, these tasks should
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* If more than one specific task is needed for a specific OS, these tasks should
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be stored in a separate YAML file in a `distros` subdirectory and named after
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be stored in a separate YAML file named after the specific flavor they target.
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the specific flavor they target. The following boilerplate code can be used to
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The following boilerplate code can be used to target specific flavors:
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target specific flavors:
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.. code-block:: YAML
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.. code-block:: YAML
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tasks:
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tasks:
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- name: Execute distro-specific tasks
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- name: Execute distro-specific tasks
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include_tasks: "{{ lookup('first_found', params) }}"
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include_tasks: "{{ item }}"
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vars:
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with_first_found:
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params:
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- "{{ ansible_distribution }}.{{ ansible_distribution_major_version }}.{{ ansible_architecture }}.yaml"
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files:
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- "{{ ansible_distribution }}.{{ ansible_distribution_major_version }}.yaml"
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- "mytasks-{{ ansible_distribution }}.{{ ansible_distribution_major_version }}.{{ ansible_architecture }}.yaml"
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- "{{ ansible_distribution }}.yaml"
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- "mytasks-{{ ansible_distribution }}.{{ ansible_distribution_major_version }}.yaml"
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- "{{ ansible_os_family }}.yaml"
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- "mytasks-{{ ansible_distribution }}.yaml"
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- "default.yaml"
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- "mytasks-{{ ansible_os_family }}.yaml"
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- "mytasks-default.yaml"
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paths:
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- distros
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If run on Fedora 29 x86_64, this playbook will attempt to include the first
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If run on Fedora 32 x86_64, this playbook will attempt to include the first
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playbook found among
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tasklist found among:
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* `distros/mytasks-Fedora.29.x86_64.yaml`
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* `Fedora.32.x86_64.yaml`
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* `distros/mytasks-Fedora.29.yaml`
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* `Fedora.32.yaml`
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* `distros/mytasks-Fedora.yaml`
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* `Fedora.yaml`
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* `distros/mytasks-RedHat.yaml`
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* `RedHat.yaml`
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* `distros/mytasks-default.yaml`
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* `default.yaml`
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The default playbook should return a failure explaining the host's environment is
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The default tasklist should return a failure explaining the host's environment is
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not supported, or a skip if the tasks were optional.
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not supported, or a skip if the tasks were optional.
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Handling privileges on hosts
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Handling privileges on hosts
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