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README
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System Layout Service (SLS)
The System Layout Service (SLS) holds information about a Cray Shasta system "as configured". That is, it contains information about how the system was designed. SLS reflects the system if all hardware were present and working. SLS does not keep track of hardware state or identifiers; for that type of information, see Hardware State Manager (HSM).
How it Works
SLS is mostly an API to allow access to a database. Users make queries on the basis of xname and are given back information about the system. Each xname is matched with corresponding parent and child information, allowing the simple traversal of the entirety of the system.
Configuration
TBD. Initial configuration will be uploaded by an init container.
SLS CT Testing
In addition to the service itself, this repository builds and publishes cray-sls-test images containing tests that verify SLS on live Shasta systems. The tests are invoked via helm test as part of the Continuous Test (CT) framework during CSM installs and upgrades. The version of the cray-sls-test image (vX.Y.Z) should match the version of the cray-sls image being tested, both of which are specified in the helm chart for the service.
More information
Future Work
TBD.
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