Vultr: Introducing vultr_network module (#43598)

This commit introduces a new module called vultr_network.

It allows a user to manage networks on the Vultr cloud.

lib/ansible/modules/cloud/vultr/vultr_network.py

@@ -0,0 +1,226 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+#
+# (c) 2018, Yanis Guenane <yanis+ansible@guenane.org>
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+from __future__ import (absolute_import, division, print_function)
+__metaclass__ = type
+
+ANSIBLE_METADATA = {'metadata_version': '1.1',
+                    'status': ['preview'],
+                    'supported_by': 'community'}
+
+DOCUMENTATION = '''
+---
+module: vultr_network
+short_description: Manages networks on Vultr.
+description:
+  - Manage networks on Vultr. A network cannot be updated. It needs to be deleted and re-created.
+version_added: "2.7"
+author: "Yanis Guenane (@Spredzy)"
+options:
+  name:
+    description:
+      - Name of the network.
+    required: true
+    aliases: [ description, label ]
+  cidr:
+    description:
+      - The CIDR IPv4 network block to be used when attaching servers to this network. Required if I(state=present).
+  region:
+    description:
+      - Region the network is deployed into. Required if I(state=present).
+  state:
+    description:
+      - State of the network.
+    default: present
+    choices: [ present, absent ]
+extends_documentation_fragment: vultr
+'''
+
+EXAMPLES = '''
+- name: Ensure a network is present
+  local_action:
+    module: vultr_network
+    name: mynet
+    cidr: 192.168.42.0/24
+    region: Amsterdam
+
+- name: Ensure a network is absent
+  local_action:
+    module: vultr_network
+    name: mynet
+    state: absent
+'''
+
+RETURN = '''
+---
+vultr_api:
+  description: Response from Vultr API with a few additions/modification
+  returned: success
+  type: complex
+  contains:
+    api_account:
+      description: Account used in the ini file to select the key
+      returned: success
+      type: string
+      sample: default
+    api_timeout:
+      description: Timeout used for the API requests
+      returned: success
+      type: int
+      sample: 60
+    api_retries:
+      description: Amount of max retries for the API requests
+      returned: success
+      type: int
+      sample: 5
+    api_endpoint:
+      description: Endpoint used for the API requests
+      returned: success
+      type: string
+      sample: "https://api.vultr.com"
+vultr_network:
+  description: Response from Vultr API
+  returned: success
+  type: complex
+  contains:
+    id:
+      description: ID of the network
+      returned: success
+      type: string
+      sample: "net5b62c6dc63ef5"
+    name:
+      description: Name (label) of the network
+      returned: success
+      type: string
+      sample: "mynetwork"
+    date_created:
+      description: Date when the network was created
+      returned: success
+      type: string
+      sample: "2018-08-02 08:54:52"
+    region:
+      description: Region the network was deployed into
+      returned: success
+      type: string
+      sample: "Amsterdam"
+    v4_subnet:
+      description: IPv4 Network address
+      returned: success
+      type: string
+      sample: "192.168.42.0"
+    v4_subnet_mask:
+      description: Ipv4 Network mask
+      returned: success
+      type: int
+      sample: 24
+'''
+
+from ansible.module_utils.basic import AnsibleModule
+from ansible.module_utils.vultr import (
+    Vultr,
+    vultr_argument_spec,
+)
+
+
+class AnsibleVultrNetwork(Vultr):
+
+    def __init__(self, module):
+        super(AnsibleVultrNetwork, self).__init__(module, "vultr_network")
+
+        self.returns = {
+            'NETWORKID': dict(key='id'),
+            'DCID': dict(key='region', transform=self._get_region_name),
+            'date_created': dict(),
+            'description': dict(key='name'),
+            'v4_subnet': dict(),
+            'v4_subnet_mask': dict(convert_to='int'),
+        }
+
+    def _get_region_name(self, region_id=None):
+        return self.get_region().get('name')
+
+    def get_network(self):
+        networks = self.api_query(path="/v1/network/list")
+        if networks:
+            for id, network in networks.items():
+                if network.get('description') == self.module.params.get('name'):
+                    return network
+        return {}
+
+    def present_network(self):
+        network = self.get_network()
+        if not network:
+            network = self._create_network(network)
+        return network
+
+    def _create_network(self, network):
+        self.result['changed'] = True
+        data = {
+            'description': self.module.params.get('name'),
+            'DCID': self.get_region()['DCID'],
+            'v4_subnet': self.module.params.get('cidr').split('/')[0],
+            'v4_subnet_mask': self.module.params.get('cidr').split('/')[1]
+        }
+        self.result['diff']['before'] = {}
+        self.result['diff']['after'] = data
+
+        if not self.module.check_mode:
+            self.api_query(
+                path="/v1/network/create",
+                method="POST",
+                data=data
+            )
+            network = self.get_network()
+        return network
+
+    def absent_network(self):
+        network = self.get_network()
+        if network:
+            self.result['changed'] = True
+
+            data = {
+                'NETWORKID': network['NETWORKID'],
+            }
+
+            self.result['diff']['before'] = network
+            self.result['diff']['after'] = {}
+
+            if not self.module.check_mode:
+                self.api_query(
+                    path="/v1/network/destroy",
+                    method="POST",
+                    data=data
+                )
+        return network
+
+
+def main():
+    argument_spec = vultr_argument_spec()
+    argument_spec.update(dict(
+        name=dict(required=True, aliases=['description', 'label']),
+        cidr=dict(),
+        region=dict(),
+        state=dict(choices=['present', 'absent'], default='present'),
+    ))
+
+    module = AnsibleModule(
+        argument_spec=argument_spec,
+        supports_check_mode=True,
+        required_if=[['state', 'present', ['cidr', 'region']]]
+    )
+
+    vultr_network = AnsibleVultrNetwork(module)
+    if module.params.get('state') == "absent":
+        network = vultr_network.absent_network()
+    else:
+        network = vultr_network.present_network()
+
+    result = vultr_network.get_result(network)
+    module.exit_json(**result)
+
+
+if __name__ == '__main__':
+    main()