EncryptRootVolume Document (#34)

* initial version of EncryptRootVolume Document

Documents/Automation/EncryptRootVolume/Design/Design.md

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+# Encrypt EBS root volume
+
+## Notes
+
+Encrypts the root volume of an EC2 instance.  This will be a replace operation and not an in-line encryption operation.
+
+## Document Design
+
+Refer to schema.json
+
+Document Steps:
+1. aws:npark-encryptrootvolume - Execute CloudFormation Template to attach the volume.
+   * Parameters:
+       * instanceId: (Required) Instance ID of the ec2 instance whose root volume needs to be encrypted
+       * region: (Required) Region in which the ec2 instance belong
+       * KmsKeyId: (Required) Customer KMS key to use during the encryption
+       * devicename: (Optional) Device name of the root volume.  Defaults to /dev/sda1
+       * AutomationAssumeRole: (Optional) The ARN of the role that allows Automation to perform the actions on your behalf
+
+## Test script
+
+Python script will:
+#  1. Create a test stack with an instance, a volume and a KMS Key (Customer managed)
+#  2. Execute automation document to replace the root volume with the encrypted one (after a copy operation of the root volume snapshot)
+#  3. Ensure the Automation has executed successfull
+#  4. Clean up test stack

Documents/Automation/EncryptRootVolume/Design/schema.json

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+{
+  "schemaVersion": "0.3",
+  "description": "Encrypt Root Volume",
+  "assumeRole": "{{ AutomationAssumeRole }}",
+  "parameters": {
+    "instanceId": {
+      "description": "Instance ID of the ec2 instance whose root volume needs to be encrypted",
+      "type": "String"
+    },
+    "region": {
+      "description": "Region in which the ec2 instance belong",
+      "type": "String"
+    },
+    "KmsKeyId": {
+      "description": "Customer KMS key to use during the encryption",
+      "type": "String"
+    },
+    "devicename": {
+      "description": "Device name of the root volume.  Defaults to /dev/sda1",
+      "type": "String"
+    },
+    "AutomationAssumeRole": {
+      "description": "(Optional) The ARN of the role that allows Automation to perform the actions on your behalf",
+      "type": "String"
+    }
+  },
+  "mainSteps": []
+}