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PolicyDesign contains a component PolicyDesignSDCHandler for managing SDC-triggered concrete policy creation and update requests. PolicyDesignSDCHandler is an API_User, it uses the Policy Design API to execution policy creation and update. It reads the information it needs to populate the policy template from SDC and then uses this information to automatically generate a policy.
2.1.2.3 Model Driven Policy Design via
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another ONAP Component's GUI
The SDC GUI supports several types of policies that can be captured during design time. DCAE micro service configuration policies can be onboarded via the DCAE-DS (DCAE Design Studio).
The GUI implementation in another ONAP component such as SDC or the DCAE-DS uses the API_User API to create and edit ONAP policies. Note that this puts an impact on those components.
2.1.2.4 Scripted Model Driven Policy Design
Service policies such as Optimization, Placement policies can also be captured via TOSCA model during design time.
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Policy Design
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(High level architectural sequence diagram on how this works)
Policy Design Process
All policies must be certified as being fit for deployment prior to run time deployment. This certification may be performed over the ONAP Policy Framework APIs in the case where other ONAP components such as SDC crete policies. For Policies created directly in the PF, governance of policy certification and testing is supported in the system.
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| PAP (Policy Administration Point) | A component that administers and manages policies |
| PDP (Policy Deployment Point) | A component that executes a policy artifact (One or many?) |
| PDP_<> | A specific type of PDP |
| PDP Group | A group of PDPs that execute the same (set of?) policy artifact(s) |
| Policy DevelopmentThe development environment for policies | |
| PolicyTemplate | A generic policy that may or may not be executable |
| DomainPolicy | A specialization of a generic policy for application to a specific domain |
| PolicyParameters | Parameters that configure a policy for execution in a PDP group |
| Executable Policy | A policy that can be stored in Nexus and can execute on a certain type of PDP. An executable policy is a parameterized policy template or domain policy |
| Executable Policy Set | A set of policies that are deployed on a PDP group. One and only one Policy Set is deployed on a PDP group |
9. References
10. Open Questions
| No. | Question | Answer |
|---|---|---|
| 1 | Are DCAE micro service configuration policies that are onboarded via the DCAE-DS (DCAE Design Studio) created at design time or do they just download policies that are already created in the ONAP PF? | |