What are Testground runners?
A runner is a component that takes build artifact produced by a Builder, and schedules a test run of a test case within the test plan, on the Testground deployment, with the specified number of instances and test parameters.
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------------- ----------- ------------------ ---------- ---------------
| plan code | -> | builder | -> | build artifact | -> | runner | -> | test output |
------------- ----------- ------------------ ---------- ---------------
| builder | input work unit | Environment |
|---|---|---|
local:exec |
OS-specific executable | local |
local:docker |
Docker image | local Docker environment |
cluster:k8s |
Docker image | Kubernetes cluster |