Add default values

.yamllint

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+extends: default
+
+rules:
+  braces:
+    max-spaces-inside: 1
+    level: error
+  brackets:
+    max-spaces-inside: 1
+    level: error
+  line-length: disable
+  truthy: disable

README.md

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+Role Name
+=========
+
+A brief description of the role goes here.
+
+Requirements
+------------
+
+Any pre-requisites that may not be covered by Ansible itself or the role should
+be mentioned here. For instance, if the role uses the EC2 module, it may be a
+good idea to mention in this section that the boto package is required.
+
+Role Variables
+--------------
+
+A description of the settable variables for this role should go here, including
+any variables that are in defaults/main.yml, vars/main.yml, and any variables
+that can/should be set via parameters to the role. Any variables that are read
+from other roles and/or the global scope (ie. hostvars, group vars, etc.) should
+be mentioned here as well.
+
+Dependencies
+------------
+
+A list of other roles hosted on Galaxy should go here, plus any details in
+regards to parameters that may need to be set for other roles, or variables that
+are used from other roles.
+
+Example Playbook
+----------------
+
+Including an example of how to use your role (for instance, with variables
+passed in as parameters) is always nice for users too:
+
+    - hosts: servers
+      roles:
+         - { role: ansible-riot-webapp, x: 42 }
+
+License
+-------
+
+BSD
+
+Author Information
+------------------
+
+An optional section for the role authors to include contact information, or a
+website (HTML is not allowed).

defaults/main.yml

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+---
+riot_version: 1.1.1
+riot_webapp_dir: /opt/riot/
+riot_config:
+  brand: Riot
+  bug_report_endpoint_url: https://riot.im/bugreports/submit
+  default_federate: true
+  default_hs_url: https://matrix.org
+  default_is_url: https://vector.im
+  default_theme: light
+  disable_3pid_login: false
+  disable_custom_urls: false
+  disable_guests: false
+  disable_login_language_selector: false
+  enable_presence_by_hs_url:
+    'https://matrix.org': false
+  features: 
+    feature_groups: labs
+    feature_pinning: labs
+  integrations_jitsi_widget_url: https://scalar.vector.im/api/widgets/jitsi.html
+  integrations_rest_url: https://scalar.vector.im/api
+  integrations_ui_url: https://scalar.vector.im/
+  piwik:
+    siteId: 1
+    url: https://piwik.riot.im/
+    whitelistedHSUrls:
+      - 'https://matrix.org'
+    whitelistedISUrls: 
+      - 'https://vector.im'
+      - 'https://matrix.org'
+  roomDirectory:
+    servers: 
+      - matrix.org
+  welcomeUserId: '@riot-bot:matrix.org'

handlers/main.yml

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+---
+# handlers file for ansible-riot-webapp

meta/main.yml

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+---
+galaxy_info:
+  author: your name
+  description: your description
+  company: your company (optional)
+
+  # If the issue tracker for your role is not on github, uncomment the
+  # next line and provide a value
+  # issue_tracker_url: http://example.com/issue/tracker
+
+  # Some suggested licenses:
+  # - BSD (default)
+  # - MIT
+  # - GPLv2
+  # - GPLv3
+  # - Apache
+  # - CC-BY
+  license: license (GPLv2, CC-BY, etc)
+
+  min_ansible_version: 1.2
+
+  # If this a Container Enabled role, provide the minimum Ansible Container version.
+  # min_ansible_container_version:
+
+  # Optionally specify the branch Galaxy will use when accessing the GitHub
+  # repo for this role. During role install, if no tags are available,
+  # Galaxy will use this branch. During import Galaxy will access files on
+  # this branch. If Travis integration is configured, only notifications for this
+  # branch will be accepted. Otherwise, in all cases, the repo's default branch
+  # (usually master) will be used.
+  # github_branch:
+
+  #
+  # platforms is a list of platforms, and each platform has a name and a list of versions.
+  #
+  # platforms:
+  # - name: Fedora
+  #   versions:
+  #   - all
+  #   - 25
+  # - name: SomePlatform
+  #   versions:
+  #   - all
+  #   - 1.0
+  #   - 7
+  #   - 99.99
+
+  galaxy_tags: []
+  # List tags for your role here, one per line. A tag is a keyword that describes
+  # and categorizes the role. Users find roles by searching for tags. Be sure to
+  # remove the '[]' above, if you add tags to this list.
+  #
+  # NOTE: A tag is limited to a single word comprised of alphanumeric characters.
+  #       Maximum 20 tags per role.
+
+dependencies: []
+# List your role dependencies here, one per line. Be sure to remove the '[]' above,
+# if you add dependencies to this list.

molecule/default/Dockerfile.j2

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+# Molecule managed
+
+{% if item.registry is defined %}
+FROM {{ item.registry.url }}/{{ item.image }}
+{% else %}
+FROM {{ item.image }}
+{% endif %}
+
+RUN if [ $(command -v apt-get) ]; then apt-get update && apt-get install -y python sudo bash ca-certificates && apt-get clean; \
+    elif [ $(command -v dnf) ]; then dnf makecache && dnf --assumeyes install python sudo python-devel python*-dnf bash && dnf clean all; \
+    elif [ $(command -v yum) ]; then yum makecache fast && yum install -y python sudo yum-plugin-ovl bash && sed -i 's/plugins=0/plugins=1/g' /etc/yum.conf && yum clean all; \
+    elif [ $(command -v zypper) ]; then zypper refresh && zypper install -y python sudo bash python-xml && zypper clean -a; \
+    elif [ $(command -v apk) ]; then apk update && apk add --no-cache python sudo bash ca-certificates; \
+    elif [ $(command -v xbps-install) ]; then xbps-install -Syu && xbps-install -y python sudo bash ca-certificates && xbps-remove -O; fi

molecule/default/INSTALL.rst

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+*******
+Docker driver installation guide
+*******
+
+Requirements
+============
+
+* Docker Engine
+
+Install
+=======
+
+Please refer to the `Virtual environment`_ documentation for installation best
+practices. If not using a virtual environment, please consider passing the
+widely recommended `'--user' flag`_ when invoking ``pip``.
+
+.. _Virtual environment: https://virtualenv.pypa.io/en/latest/
+.. _'--user' flag: https://packaging.python.org/tutorials/installing-packages/#installing-to-the-user-site
+
+.. code-block:: bash
+
+    $ pip install 'molecule[docker]'

molecule/default/molecule.yml

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+---
+dependency:
+  name: galaxy
+driver:
+  name: docker
+lint:
+  name: yamllint
+platforms:
+  - name: instance
+    image: centos:7
+provisioner:
+  name: ansible
+  lint:
+    name: ansible-lint
+verifier:
+  name: testinfra
+  lint:
+    name: flake8

molecule/default/playbook.yml

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+---
+- name: Converge
+  hosts: all
+  roles:
+    - role: ansible-riot-webapp

molecule/default/tests/test_default.py

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+import os
+
+import testinfra.utils.ansible_runner
+
+testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+    os.environ['MOLECULE_INVENTORY_FILE']).get_hosts('all')
+
+
+def test_hosts_file(host):
+    f = host.file('/etc/hosts')
+
+    assert f.exists
+    assert f.user == 'root'
+    assert f.group == 'root'

vars/main.yml

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+---
+# vars file for ansible-riot-webapp