feat(plugin): Centurion ERP inventory plugin

!2 closes #3

plugins/inventory/centurion.py

@@ -0,0 +1,111 @@
+import json
+
+from ansible.module_utils.common.text.converters import to_text
+from ansible.module_utils.urls import open_url
+from ansible.plugins.inventory import BaseInventoryPlugin
+
+
+DOCUMENTATION = '''
+---
+module: centurion
+plugin_type: inventory
+short_description: Centurion ERP Inventory
+description:
+    - "An Inventory Plugin to fetch inventory from Centurion ERP."
+options:
+    plugin:
+        description: token that ensures this is a source file for the 'centurion' plugin.
+        required: True
+        choices: ['nofusscomputing.centurion.centurion']
+    api_endpoint:
+        description: Endpoint of the Centurion API
+        required: true
+        env:
+            - name: CENTURION_API
+    token:
+        required: false
+        description:
+            - NetBox API token to be able to read against NetBox.
+        env:
+            - name: CENTURION_TOKEN
+    validate_certs:
+        description:
+            - Allows skipping of validation of SSL certificates. Set to C(false) to disable certificate validation.
+        default: true
+        type: boolean
+author:
+    - jon @jon_nfc
+'''
+
+
+
+class InventoryModule(BaseInventoryPlugin):
+
+    NAME = 'nofusscomputing.centurion.centurion'
+
+
+    def __init__(self):
+        super().__init__()
+
+        self.headers = {
+            'Authorization': 'Token 7d501c956363e60df0cfd770db36f54226f079d707346f776ab31d5f40d16542'
+        }
+
+
+    def verify_file(self, path):
+
+        return True
+
+
+    def fetch_devices(self) -> dict:
+
+        self.display.v("Fetching Devices ")
+
+        response = open_url(
+            url = 'https://test.nofusscomputing.com/api/device/',
+            headers = self.headers,
+            validate_certs=False,
+        )
+
+        devices = json.loads(to_text(response.read()))['results']
+
+
+        return devices
+
+
+    def fetch_device_config(self, url: str) -> dict:
+
+
+        self.display.vv(f"Fetching Device Config {url} ")
+
+        response = open_url(
+            url = url,
+            headers = self.headers,
+            validate_certs=False,
+        )
+
+        config = json.loads(to_text(response.read()))
+
+        return config
+
+
+    def parse(self, inventory, loader, path, cache=True):
+        super().parse(inventory, loader, path)
+
+        devices = self.fetch_devices()
+
+        self.display.v(f"Parsing returned devices")
+
+        for device in devices:
+
+
+            self.display.vv(f"Adding device {device['name']} to inventory")
+
+
+            self.inventory.add_host(host=device['name'])
+
+            config = self.fetch_device_config(device['config'])
+
+            for key, val in config.items():
+
+                self.inventory.set_variable(device['name'], key, val)