feat: start collectd role

roles/collectd/molecule/default/INSTALL.rst

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+*********************************
+Vagrant driver installation guide
+*********************************
+
+Requirements
+============
+
+* Vagrant
+* Virtualbox, Parallels, VMware Fusion, VMware Workstation or VMware Desktop
+
+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_vagrant'

roles/collectd/molecule/default/converge.yml

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+---
+- name: Converge
+  become: yes
+  hosts: all
+  vars:
+    - collectd_network_server: testvagrant
+    - collectd_network_server: 192.168.2.240
+    - collectd_network_port: 25826
+    
+  pre_tasks:
+    - name: Update apt cache
+      apt:
+        update_cache: yes
+    - name: set hostname
+      hostname:
+        name: vagrantcollectd
+  tasks:
+    - name: "Include collectd"
+      include_role:
+        name: "collectd"

roles/collectd/molecule/default/molecule.yml

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+---
+dependency:
+  name: galaxy
+driver:
+  name: vagrant
+  provider:
+    name: virtualbox
+platforms:
+  - name: Debian
+    box: "debian/bullseye64"
+    pre_build_image: true
+
+provisioner:
+  name: ansible
+verifier:
+  name: testinfra
+  options:
+    sudo: true
+    v: 3

roles/collectd/molecule/default/tests/conftest.py

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+"""PyTest Fixtures."""
+from __future__ import absolute_import
+
+import os
+
+import pytest
+
+
+def pytest_runtest_setup(item):
+    """Run tests only when under molecule with testinfra installed."""
+    try:
+        import testinfra
+    except ImportError:
+        pytest.skip("Test requires testinfra", allow_module_level=True)
+    if "MOLECULE_INVENTORY_FILE" in os.environ:
+        pytest.testinfra_hosts = testinfra.utils.ansible_runner.AnsibleRunner(
+            os.environ["MOLECULE_INVENTORY_FILE"]
+        ).get_hosts("all")
+    else:
+        pytest.skip(
+            "Test should run only from inside molecule.", allow_module_level=True
+        )

roles/collectd/molecule/default/tests/test_default.py

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+"""Role testing files using testinfra."""
+import pytest
+
+def test_installed_packages(host):
+    collectd = host.package("collectd-core")
+    assert collectd.is_installed
+
+def test_config(host):
+    collectd_config = host.file("/etc/collectd/collectd.conf")
+    assert collectd_config.exists
+
+    dtypes = host.file("/usr/share/collectd/types.db")
+    assert dtypes.exists
+
+def test_service(host):
+    collectd = host.service("collectd")
+    assert collectd.is_enabled
+    assert collectd.is_running

roles/collectd/molecule/default/verify.yml

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+---
+# This is an example playbook to execute Ansible tests.
+
+- name: Verify
+  hosts: all
+  gather_facts: false
+  tasks:
+  - name: Example assertion
+    assert:
+      that: true