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Document relations for Orders and Managed Services

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fnux 2020-03-03 13:14:51 +01:00
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uncloud/README-object-relations.md
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@ -19,16 +19,29 @@ stack VM" can be a VM + a disk + an IPv4 address).
Bills represent active orders of a month. Bills can be shown during a Bills represent active orders of a month. Bills can be shown during a
month but only become definitive at the end of the month. month but only become definitive at the end of the month.
## Orders ## Orders
When When customer X order a (set) of product, it generates an order for billing
purposes. The ordered products point to that order and register an Order Record
at creation.
Orders and Order Records are assumed immutable => they are used to generate
bills and should not be mutated. If a product is updated (e.g. adding RAM to
VM), a new order should be generated.
The order MUST NOT be deleted when a product is deleted, as it is used for
billing (including past bills).
### Order record
Used to store billing details of a product at creation: will stay there even if
the product change (e.g. new pricing, updated) and act as some kind of archive.
Used to generate bills.
## Payment Methods ## Payment Methods
Users/customers can register payment methods. Users/customers can register payment methods.
## Sample flows / products ## Sample flows / products
### A VM snapshot ### A VM snapshot
@ -39,12 +52,10 @@ able to rollback the VM to a previous state.
Creating a VM snapshot (-product) creates a related order. Deleting a Creating a VM snapshot (-product) creates a related order. Deleting a
VMSnapshotproduct sets the order to deleted. VMSnapshotproduct sets the order to deleted.
### Object Storage ### Object Storage
(tbd by Balazs) (tbd by Balazs)
### A "raw" VM ### A "raw" VM
(tbd by Ahmed) (tbd by Ahmed)
@ -56,3 +67,16 @@ VMSnapshotproduct sets the order to deleted.
### A dual stack VM ### A dual stack VM
(tbd by Ahmed) (tbd by Ahmed)
### A managed service (e.g. Matrix-as-a-Service)
Customer orders service with:
* Service-specific configuration: e.g. domain name for matrix
* VM configuration:
- CPU
- Memory
- Disk (soon)
It creates a new Order with two products/records:
* Service itself (= management)
* Underlying VM