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| -rw-r--r-- | docs/_static/images/cps-temporal-c4-container.png | bin | 0 -> 138603 bytes | |||
| -rw-r--r-- | docs/content/architecture.rst | 29 | ||||
| -rw-r--r-- | docs/diagrams/cps-temporal-c4.drawio | 312 |
3 files changed, 339 insertions, 2 deletions
diff --git a/docs/_static/images/cps-temporal-c4-container.png b/docs/_static/images/cps-temporal-c4-container.png Binary files differnew file mode 100644 index 0000000..c857166 --- /dev/null +++ b/docs/_static/images/cps-temporal-c4-container.png diff --git a/docs/content/architecture.rst b/docs/content/architecture.rst index 18f4cc3..69aafef 100644 --- a/docs/content/architecture.rst +++ b/docs/content/architecture.rst @@ -8,6 +8,31 @@ CPS Temporal Architecture ========================= -.. warning:: Draft +CPS Temporal is a dedicated service, **distinct** and **decoupled** from CPS +Core. CPS Temporal service is an **independently deployable** unit. -* Subsystem and components architecture +Integration between Core and Temporal is **event notification based, +asynchronous, send and forget**. By doing this, we are avoiding the dependency +from CPS Core on CPS Temporal and its API. It reverses the +dependency, which makes more sense from a conceptual point of view. + +For each data modification handled by CPS Core, + +* CPS Core is **publishing**, to a dedicated topic, an event representing the + data configuration or state. +* CPS Temporal is **listening** to the same topic for the event and is + responsible to keep track of all data over time. + +In the future, some other services can be created to listen to the same topic +to implement additional functionalities or storage forms. + +The event messaging system for this integration is **Kafka**, whose running +instance is deployed independently from CPS. It could be either: + +* the ONAP Kafka instance from ONAP DMaaP component, +* or any specific Kafka instance deployed independently from ONAP + +The following diagram is the C4 Model representing CPS System Containers: + +.. image:: /_static/images/cps-temporal-c4-container.png + :alt: C4 Model Diagram: Containers for CPS Software system diff --git a/docs/diagrams/cps-temporal-c4.drawio b/docs/diagrams/cps-temporal-c4.drawio new file mode 100644 index 0000000..4e6c6e3 --- /dev/null +++ b/docs/diagrams/cps-temporal-c4.drawio @@ -0,0 +1,312 @@ +<mxfile host="Electron" modified="2021-09-08T21:17:23.650Z" agent="5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) draw.io/14.4.3 Chrome/87.0.4280.141 Electron/11.3.0 Safari/537.36" etag="vWlZmDnRD5XXHW5S42UH" compressed="false" version="14.4.3" type="device" pages="3"> + <diagram id="m9N0mG9oFokUhv817xMF" name="1 - Context"> + <mxGraphModel dx="1106" dy="430" grid="1" gridSize="10" guides="1" tooltips="1" connect="1" arrows="1" fold="1" page="0" pageScale="1" pageWidth="850" pageHeight="1100" math="0" shadow="0"> + <root> + <mxCell id="aLPJSoMjrsKFrPPUY9yP-0" /> + <mxCell id="aLPJSoMjrsKFrPPUY9yP-1" parent="aLPJSoMjrsKFrPPUY9yP-0" /> + <object c4Name="CPS" c4Type="Software System" c4Description="Configuration Persistence System" label="<b>%c4Name%</b><div>[%c4Type%]</div><br><div>%c4Description%</div>" placeholders="1" id="n7QvrF7pLT_NwNc0QIQK-0"> + <mxCell style="rounded=1;whiteSpace=wrap;html=1;labelBackgroundColor=none;fillColor=#1168BD;fontColor=#ffffff;align=center;arcSize=10;strokeColor=#1168BD;metaEdit=1;metaData={"c4Type":{"editable":false}};points=[[0.25,0,0],[0.5,0,0],[0.75,0,0],[1,0.25,0],[1,0.5,0],[1,0.75,0],[0.75,1,0],[0.5,1,0],[0.25,1,0],[0,0.75,0],[0,0.5,0],[0,0.25,0]];" parent="aLPJSoMjrsKFrPPUY9yP-1" vertex="1"> + <mxGeometry x="600" y="520" width="160" height="110.00000000000001" as="geometry" /> + </mxCell> + </object> + <object placeholders="1" c4Name="CPS Client" c4Type="Software System" c4Description="Any System using CPS" label="<b>%c4Name%</b><div>[%c4Type%]</div><br><div>%c4Description%</div>" id="n7QvrF7pLT_NwNc0QIQK-1"> + <mxCell style="rounded=1;whiteSpace=wrap;html=1;labelBackgroundColor=none;fillColor=#999999;fontColor=#ffffff;align=center;arcSize=10;strokeColor=#8A8A8A;metaEdit=1;metaData={"c4Type":{"editable":false}};points=[[0.25,0,0],[0.5,0,0],[0.75,0,0],[1,0.25,0],[1,0.5,0],[1,0.75,0],[0.75,1,0],[0.5,1,0],[0.25,1,0],[0,0.75,0],[0,0.5,0],[0,0.25,0]];dashed=1;" parent="aLPJSoMjrsKFrPPUY9yP-1" vertex="1"> + <mxGeometry x="280" y="520" width="160" height="110.00000000000001" as="geometry" /> + </mxCell> + </object> + <object placeholders="1" c4Type="Relationship" c4Technology="REST HTTPS" c4Description="Uses" label="<div style="text-align: left"><div style="text-align: center"><b>%c4Description%</b></div><div style="text-align: center">[%c4Technology%]</div></div>" id="n7QvrF7pLT_NwNc0QIQK-2"> + <mxCell style="edgeStyle=none;rounded=0;html=1;jettySize=auto;orthogonalLoop=1;strokeColor=#707070;strokeWidth=2;fontColor=#707070;jumpStyle=none;dashed=1;metaEdit=1;metaData={"c4Type":{"editable":false}};" parent="aLPJSoMjrsKFrPPUY9yP-1" source="n7QvrF7pLT_NwNc0QIQK-1" target="n7QvrF7pLT_NwNc0QIQK-0" edge="1"> + <mxGeometry width="160" relative="1" as="geometry"> + <mxPoint x="560" y="620" as="sourcePoint" /> + <mxPoint x="720" y="620" as="targetPoint" /> + </mxGeometry> + </mxCell> + </object> + <mxCell id="n7QvrF7pLT_NwNc0QIQK-3" value="<b>C4 Model Diagram: Context for CPS <br></b>" style="text;html=1;strokeColor=none;fillColor=none;align=center;verticalAlign=middle;whiteSpace=wrap;rounded=0;" parent="aLPJSoMjrsKFrPPUY9yP-1" vertex="1"> + <mxGeometry x="280" y="680" width="480" height="20" as="geometry" /> + </mxCell> + </root> + </mxGraphModel> + </diagram> + <diagram name="2 - 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