adding encrypt and cabailities to volume/instance (#611)

## 📝 Description

**What does this PR do and why is this change necessary?**

Add support for `capabilities` and `encryption` to GET linode and POST volume respectively.

## ✔️ How to Test

**How do I run the relevant unit/integration tests?**

```bash
make TEST_ARGS="volume_basic" test
```

```bash
make TEST_ARGS="instance_basic" test
```

docs/modules/instance.md

@@ -148,6 +148,7 @@ Manage Linode Instances, Configs, and Disks.
 | `migration_type` | <center>`str`</center> | <center>Optional</center> | The type of migration to use for Region and Type migrations.  **(Choices: `cold`, `warm`; Default: `cold`)** |
 | `auto_disk_resize` | <center>`bool`</center> | <center>Optional</center> | Whether implicitly created disks should be resized during a type change operation.  **(Default: `False`)** |
 | `tags` | <center>`list`</center> | <center>Optional</center> | An array of tags applied to this object. Tags are for organizational purposes only.  **(Updatable)** |
+| `capabilities` | <center>`list`</center> | <center>Optional</center> | Read-only. A list of capabilities this compute instance supports.   |
 | [`placement_group` (sub-options)](#placement_group) | <center>`dict`</center> | <center>Optional</center> | A Placement Group to create this Linode under.   |
 | `disk_encryption` | <center>`str`</center> | <center>Optional</center> | The disk encryption status of this Linode. NOTE: Disk encryption may not currently be available to all users.  **(Choices: `enabled`, `disabled`)** |
 | `swap_size` | <center>`int`</center> | <center>Optional</center> | When deploying from an Image, this field is optional, otherwise it is ignored. This is used to set the swap disk size for the newly-created Linode.   |

docs/modules/volume.md

@@ -75,6 +75,7 @@ Manage a Linode Volume.
 | `region` | <center>`str`</center> | <center>Optional</center> | The location to deploy the volume in. See https://api.linode.com/v4/regions   |
 | `size` | <center>`int`</center> | <center>Optional</center> | The size of this volume, in GB. Be aware that volumes may only be resized up after creation.  **(Updatable)** |
 | `attached` | <center>`bool`</center> | <center>Optional</center> | If true, the volume will be attached to a Linode. Otherwise, the volume will be detached.  **(Default: `True`; Updatable)** |
+| `encryption` | <center>`str`</center> | <center>Optional</center> | Enables encryption on the volume. Full disk encryption ensures the data stored on a block storage volume drive is secure.  **(Choices: `disabled`, `enabled`)** |
 | `wait_timeout` | <center>`int`</center> | <center>Optional</center> | The amount of time, in seconds, to wait for a volume to have the active status.  **(Default: `240`)** |
 | `source_volume_id` | <center>`int`</center> | <center>Optional</center> | The volume id of the desired volume to clone.   |
 | `tags` | <center>`list`</center> | <center>Optional</center> | The tags to be attached to the volume.   |

plugins/modules/instance.py

@@ -524,6 +524,13 @@
         ],
         editable=True,
     ),
+    "capabilities": SpecField(
+        type=FieldType.list,
+        element_type=FieldType.string,
+        description=[
+            "Read-only. A list of capabilities this compute instance supports.",
+        ],
+    ),
     "placement_group": SpecField(
         type=FieldType.dict,
         suboptions=linode_instance_placement_group_spec,

plugins/modules/volume.py

@@ -74,6 +74,14 @@
             "Otherwise, the volume will be detached."
         ],
     ),
+    "encryption": SpecField(
+        type=FieldType.string,
+        description=[
+            "Enables encryption on the volume. Full disk encryption ensures "
+            "the data stored on a block storage volume drive is secure."
+        ],
+        choices=["disabled", "enabled"],
+    ),
     "wait_timeout": SpecField(
         type=FieldType.integer,
         default=240,

tests/integration/targets/instance_basic/tasks/main.yaml

@@ -133,6 +133,7 @@
           - info_id.instance.region == pg_region
           - info_id.configs|length == 1
           - info_id.networking.ipv4.public[0].address != None
+          - info_id.instance.capabilities == create.instance.capabilities
 
     - name: Get info about the instance by label
       linode.cloud.instance_info:

tests/integration/targets/volume_basic/tasks/main.yaml

@@ -95,6 +95,7 @@
         that:
           - volume_info_label.volume.linode_id == attach_volume.volume.linode_id
           - volume_info_label.volume.size == attach_volume.volume.size
+          - volume_info_label.volume.encryption == attach_volume.volume.encryption
 
     - name: Detach the volume
       linode.cloud.volume: