Refactor DigitalOcean modules (#35934)

- Updated documentation fragment
- Updated Argument spec
- Use common REST class for API calls

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

lib/ansible/module_utils/digital_ocean.py

@@ -30,6 +30,7 @@ import json
 import os
 from ansible.module_utils.urls import fetch_url
 from ansible.module_utils._text import to_text
+from ansible.module_utils.basic import env_fallback
 
 
 class Response(object):
@@ -62,10 +63,16 @@ class DigitalOceanHelper:
         self.module = module
         self.baseurl = 'https://api.digitalocean.com/v2'
         self.oauth_token = None
-        self.get_do_oauth_token()
         self.headers = {'Authorization': 'Bearer {0}'.format(self.oauth_token),
                         'Content-type': 'application/json'}
 
+        # Check if api_token is valid or not
+        response = self.get('account')
+        if response.status_code == 401:
+            module.fail_json(msg='Failed to login using API token, please verify validity of API token.')
+
+        self.timeout = module.params.get('timeout', 30)
+
     def _url_builder(self, path):
         if path[0] == '/':
             path = path[1:]
@@ -75,7 +82,7 @@ class DigitalOceanHelper:
         url = self._url_builder(path)
         data = self.module.jsonify(data)
 
-        resp, info = fetch_url(self.module, url, data=data, headers=self.headers, method=method)
+        resp, info = fetch_url(self.module, url, data=data, headers=self.headers, method=method, timeout=self.timeout)
 
         return Response(resp, info)
 
@@ -91,11 +98,15 @@ class DigitalOceanHelper:
     def delete(self, path, data=None):
         return self.send('DELETE', path, data)
 
-    def get_do_oauth_token(self):
-        self.oauth_token = self.module.params.get('oauth_token') or \
-            self.module.params.get('api_token') or \
-            os.environ.get('DO_API_TOKEN') or \
-            os.environ.get('DO_API_KEY') or \
-            os.environ.get('OAUTH_TOKEN')
-        if self.oauth_token is None:
-            self.module.fail_json(msg='Unable to load api key: oauth_token')
+    @staticmethod
+    def digital_ocean_argument_spec():
+        return dict(
+            validate_certs=dict(type='bool', required=False, default=True),
+            oauth_token=dict(
+                no_log=True,
+                # Support environment variable for DigitalOcean OAuth Token
+                fallback=(env_fallback, ['DO_API_TOKEN', 'DO_API_KEY', 'DO_OAUTH_TOKEN', 'OAUTH_TOKEN']),
+                required=False,
+            ),
+            timeout=dict(type='int', default=30),
+        )

lib/ansible/modules/cloud/digital_ocean/digital_ocean_block_storage.py

@@ -31,10 +31,6 @@ options:
      - Indicate desired state of the target.
     choices: ['present', 'absent']
     required: true
-  api_token:
-    description:
-     - DigitalOcean api token.
-    required: true
   block_size:
     description:
     - The size of the Block Storage volume in gigabytes. Required when command=create and state=present. If snapshot_id is included, this will be ignored.
@@ -56,11 +52,7 @@ options:
   droplet_id:
     description:
     - The droplet id you want to operate on. Required when command=attach.
-  timeout:
-    description:
-    - The timeout in seconds used for polling DigitalOcean's API.
-    default: 10
-
+extends_documentation_fragment: digital_ocean.documentation
 notes:
   - Two environment variables can be used, DO_API_KEY and DO_API_TOKEN.
     They both refer to the v2 token.
@@ -267,20 +259,21 @@ def handle_request(module):
 
 
 def main():
-    module = AnsibleModule(
-        argument_spec=dict(
-            state=dict(choices=['present', 'absent'], required=True),
-            command=dict(choices=['create', 'attach'], required=True),
-            api_token=dict(aliases=['API_TOKEN'], no_log=True),
-            block_size=dict(type='int', required=False),
-            volume_name=dict(type='str', required=True),
-            description=dict(type='str'),
-            region=dict(type='str', required=False),
-            snapshot_id=dict(type='str', required=False),
-            droplet_id=dict(type='int'),
-            timeout=dict(type='int', default=10),
-        ),
+    argument_spec = DigitalOceanHelper.digital_ocean_argument_spec()
+    argument_spec.update(
+        state=dict(choices=['present', 'absent'], required=True),
+        command=dict(choices=['create', 'attach'], required=True),
+        block_size=dict(type='int', required=False),
+        volume_name=dict(type='str', required=True),
+        description=dict(type='str'),
+        region=dict(type='str', required=False),
+        snapshot_id=dict(type='str', required=False),
+        droplet_id=dict(type='int'),
+        timeout=dict(type='int', default=10)
     )
+
+    module = AnsibleModule(argument_spec=argument_spec)
+
     try:
         handle_request(module)
     except DOBlockStorageException as e:
@@ -288,5 +281,6 @@ def main():
     except KeyError as e:
         module.fail_json(msg='Unable to load %s' % e.message, exception=traceback.format_exc())
 
+
 if __name__ == '__main__':
     main()

lib/ansible/modules/cloud/digital_ocean/digital_ocean_certificate.py

@@ -39,12 +39,7 @@ options:
      - Whether the certificate should be present or absent.
     default: present
     choices: ['present', 'absent']
-  oauth_token:
-    description:
-     - DigitalOcean OAuth token.
-    required: true
-    aliases: ['DO_API_TOKEN', 'DO_API_KEY', 'DO_OAUTH_TOKEN']
-
+extends_documentation_fragment: digital_ocean.documentation
 notes:
   - Two environment variables can be used, DO_API_KEY, DO_OAUTH_TOKEN and DO_API_TOKEN.
     They both refer to the v2 token.
@@ -101,11 +96,6 @@ def core(module):
 
     results = dict(changed=False)
 
-    # Check if oauth_token is valid or not
-    response = rest.get('account')
-    if response.status_code == 401:
-        module.fail_json(msg='Failed to login using oauth_token, please verify validity of oauth_token')
-
     response = rest.get('certificates')
     status_code = response.status_code
     resp_json = response.json
@@ -157,15 +147,17 @@ def core(module):
 
 
 def main():
+    argument_spec = DigitalOceanHelper.digital_ocean_argument_spec()
+    argument_spec.update(
+        name=dict(type='str'),
+        leaf_certificate=dict(type='str'),
+        private_key=dict(type='str', no_log=True),
+        state=dict(choices=['present', 'absent'], default='present'),
+        certificate_chain=dict(type='str')
+    )
+
     module = AnsibleModule(
-        argument_spec=dict(
-            name=dict(type='str'),
-            leaf_certificate=dict(type='str'),
-            private_key=dict(type='str', no_log=True),
-            state=dict(choices=['present', 'absent'], default='present'),
-            certificate_chain=dict(type='str'),
-            oauth_token=dict(aliases=['DO_API_TOKEN', 'DO_API_KEY', 'DO_OAUTH_TOKEN'], no_log=True),
-        ),
+        argument_spec=argument_spec,
         required_if=[('state', 'present', ['name', 'leaf_certificate', 'private_key']),
                      ('state', 'absent', ['name'])
                      ],
@@ -176,5 +168,6 @@ def main():
     except Exception as e:
         module.fail_json(msg=to_native(e))
 
+
 if __name__ == '__main__':
     main()

lib/ansible/modules/cloud/digital_ocean/digital_ocean_domain.py

@@ -27,11 +27,6 @@ options:
      - Indicate desired state of the target.
     default: present
     choices: ['present', 'absent']
-  oauth_token:
-    description:
-     - DigitalOcean api token.
-    version_added: "1.9.5"
-    aliases: ['API_TOKEN']
   id:
     description:
      - Numeric, the droplet id you want to operate on.
@@ -42,7 +37,7 @@ options:
   ip:
     description:
      - The IP address to point a domain at.
-
+extends_documentation_fragment: digital_ocean.documentation
 notes:
   - Environment variables DO_OAUTH_TOKEN can be used for the oauth_token.
   - As of Ansible 1.9.5 and 2.0, Version 2 of the DigitalOcean API is used, this removes C(client_id) and C(api_key) options in favor of C(oauth_token).
@@ -84,7 +79,6 @@ import traceback
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.digital_ocean import DigitalOceanHelper
 from ansible.module_utils._text import to_native
-from ansible.module_utils.basic import env_fallback
 
 
 class DoManager(DigitalOceanHelper, object):
@@ -185,18 +179,16 @@ def core(module):
 
 
 def main():
+    argument_spec = DigitalOceanHelper.digital_ocean_argument_spec()
+    argument_spec.update(
+        state=dict(choices=['present', 'absent'], default='present'),
+        name=dict(type='str'),
+        id=dict(aliases=['droplet_id'], type='int'),
+        ip=dict(type='str')
+    )
+
     module = AnsibleModule(
-        argument_spec=dict(
-            state=dict(choices=['present', 'absent'], default='present'),
-            oauth_token=dict(
-                aliases=['API_TOKEN'],
-                no_log=True,
-                fallback=(env_fallback, ['DO_API_TOKEN', 'DO_API_KEY', 'DO_OAUTH_TOKEN'])
-            ),
-            name=dict(type='str'),
-            id=dict(aliases=['droplet_id'], type='int'),
-            ip=dict(type='str'),
-        ),
+        argument_spec=argument_spec,
         required_one_of=(
             ['id', 'name'],
         ),

lib/ansible/modules/cloud/digital_ocean/digital_ocean_floating_ip_facts.py

@@ -1,35 +1,27 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
-
-# Copyright: Ansible Project
+# Copyright: (C) 2017-18, Ansible Project
 # 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 = {'status': ['preview'],
-                    'supported_by': 'community',
-                    'metadata_version': '1.1'}
+ANSIBLE_METADATA = {
+    'status': ['preview'],
+    'supported_by': 'community',
+    'metadata_version': '1.1'
+}
 
 DOCUMENTATION = '''
 ---
 module: digital_ocean_floating_ip_facts
 short_description: DigitalOcean Floating IPs facts
 description:
-     - Fetch DigitalOcean Floating IPs facts.
+     - This module can be used to fetch DigitalOcean Floating IPs facts.
 version_added: "2.5"
 author: "Patrick Marques (@pmarques)"
-options:
-  oauth_token:
-    description:
-     - DigitalOcean OAuth token.
-    required: true
-  timeout:
-    description:
-    - The timeout in seconds used for polling DigitalOcean's API.
-    default: 30
-
+extends_documentation_fragment: digital_ocean.documentation
 notes:
   - Version 2 of DigitalOcean API is used.
 requirements:
@@ -84,12 +76,9 @@ floating_ips:
     ]
 '''
 
-import json
-import os
-
-from ansible.module_utils.basic import env_fallback
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.digital_ocean import DigitalOceanHelper
+from ansible.module_utils._text import to_native
 
 
 def core(module):
@@ -98,41 +87,34 @@ def core(module):
     page = 1
     has_next = True
     floating_ips = []
-    while has_next or 200 != status_code:
+    status_code = None
+    while has_next or status_code != 200:
         response = rest.get("floating_ips?page={0}&per_page=20".format(page))
         status_code = response.status_code
         # stop if any error during pagination
-        if 200 != status_code:
+        if status_code != 200:
             break
-        page = page + 1
+        page += 1
         floating_ips.extend(response.json["floating_ips"])
         has_next = "pages" in response.json["links"] and "next" in response.json["links"]["pages"]
 
     if status_code == 200:
         module.exit_json(changed=False, floating_ips=floating_ips)
     else:
-        module.fail_json(msg="Error fecthing facts [{0}: {1}]".format(
+        module.fail_json(msg="Error fetching facts [{0}: {1}]".format(
             status_code, response.json["message"]))
 
 
 def main():
     module = AnsibleModule(
-        argument_spec=dict(
-            oauth_token=dict(
-                no_log=True,
-                # Support environment variable for DigitalOcean OAuth Token
-                fallback=(env_fallback, ['DO_API_TOKEN', 'DO_API_KEY', 'DO_OAUTH_TOKEN']),
-                required=True,
-            ),
-            validate_certs=dict(type='bool', default=True),
-            timeout=dict(type='int', default=30),
-        ),
+        argument_spec=DigitalOceanHelper.digital_ocean_argument_spec()
     )
 
     try:
         core(module)
     except Exception as e:
-        module.fail_json(msg=str(e))
+        module.fail_json(msg=to_native(e))
+
 
 if __name__ == '__main__':
     main()

lib/ansible/modules/cloud/digital_ocean/digital_ocean_sshkey_facts.py

@@ -22,16 +22,7 @@ description:
      - Fetch DigitalOcean SSH keys facts.
 version_added: "2.5"
 author: "Patrick Marques (@pmarques)"
-options:
-  oauth_token:
-    description:
-     - DigitalOcean API token.
-    required: true
-  timeout:
-    description:
-    - The timeout in seconds used for polling DigitalOcean's API.
-    default: 30
-
+extends_documentation_fragment: digital_ocean.documentation
 notes:
   - Version 2 of DigitalOcean API is used.
 requirements:
@@ -77,7 +68,6 @@ data:
     }
 '''
 
-from ansible.module_utils.basic import env_fallback
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.digital_ocean import DigitalOceanHelper
 
@@ -91,26 +81,18 @@ def core(module):
     if status_code == 200:
         module.exit_json(changed=False, ansible_facts=json)
     else:
-        module.fail_json(msg='Error fecthing facts [{0}: {1}]'.format(
+        module.fail_json(msg='Error fetching facts [{0}: {1}]'.format(
             status_code, response.json['message']))
 
 
 def main():
     module = AnsibleModule(
-        argument_spec=dict(
-            oauth_token=dict(
-                no_log=True,
-                # Support environment variable for DigitalOcean OAuth Token
-                fallback=(env_fallback, ['DO_API_TOKEN', 'DO_API_KEY', 'DO_OAUTH_TOKEN']),
-                required=True,
-            ),
-            validate_certs=dict(type='bool', default=True),
-            timeout=dict(type='int', default=30),
-        ),
-        supports_check_mode=True,
+        argument_spec=DigitalOceanHelper.digital_ocean_argument_spec(),
+        supports_check_mode=False,
     )
 
     core(module)
 
+
 if __name__ == '__main__':
     main()

lib/ansible/modules/cloud/digital_ocean/digital_ocean_tag.py

@@ -43,10 +43,7 @@ options:
      - Whether the tag should be present or absent on the resource.
     default: present
     choices: ['present', 'absent']
-  api_token:
-    description:
-     - DigitalOcean api token.
-
+extends_documentation_fragment: digital_ocean.documentation
 notes:
   - Two environment variables can be used, DO_API_KEY and DO_API_TOKEN.
     They both refer to the v2 token.
@@ -119,11 +116,6 @@ def core(module):
 
     rest = DigitalOceanHelper(module)
 
-    # Check if api_token is valid or not
-    response = rest.get('account')
-    if response.status_code == 401:
-        module.fail_json(msg='Failed to login using api_token, please verify '
-                             'validity of api_token')
     if state == 'present':
         response = rest.get('tags/{0}'.format(name))
         status_code = response.status_code
@@ -197,16 +189,16 @@ def core(module):
 
 
 def main():
-    module = AnsibleModule(
-        argument_spec=dict(
-            name=dict(type='str', required=True),
-            resource_id=dict(aliases=['droplet_id'], type='str'),
-            resource_type=dict(choices=['droplet'], default='droplet'),
-            state=dict(choices=['present', 'absent'], default='present'),
-            api_token=dict(aliases=['API_TOKEN'], no_log=True),
-        )
+    argument_spec = DigitalOceanHelper.digital_ocean_argument_spec()
+    argument_spec.update(
+        name=dict(type='str', required=True),
+        resource_id=dict(aliases=['droplet_id'], type='str'),
+        resource_type=dict(choices=['droplet'], default='droplet'),
+        state=dict(choices=['present', 'absent'], default='present'),
     )
 
+    module = AnsibleModule(argument_spec=argument_spec)
+
     try:
         core(module)
     except Exception as e:

lib/ansible/utils/module_docs_fragments/digital_ocean.py

@@ -0,0 +1,26 @@
+# Copyright (c) 2018, Ansible Project
+# Copyright (c) 2018, Abhijeet Kasurde (akasurde@redhat.com)
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+
+class ModuleDocFragment(object):
+    # Parameters for DigitalOcean modules
+    DOCUMENTATION = '''
+options:
+  oauth_token:
+    description:
+     - DigitalOcean OAuth token.
+     - "There are several other environment variables which can be used to provide this value."
+     - "i.e., - 'DO_API_TOKEN', 'DO_API_KEY', 'DO_OAUTH_TOKEN' and 'OAUTH_TOKEN'"
+    required: false
+  timeout:
+    description:
+    - The timeout in seconds used for polling DigitalOcean's API.
+    default: 30
+  validate_certs:
+    description:
+    - If set to C(no), the SSL certificates will not be validated.
+    - This should only set to C(no) used on personally controlled sites using self-signed certificates.
+    default: true
+
+'''