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2021-10-25refactor(simulator): Support running workloads without coroutinesFabian Mastenbroek
This change updates the SimMachine interface to drop the coroutine requirement for running a workload on a machines. Users can now asynchronously start a workload and receive notifications via the workload callbacks. Users still have the possibility to suspend execution during workload execution by using the new `runWorkload` method, which is implemented on top of the new `startWorkload` primitive.
2021-10-03refactor(simulator): Migrate to flow-based simulationFabian Mastenbroek
This change renames the `opendc-simulator-resources` module into the `opendc-simulator-flow` module to indicate that the core simulation model of OpenDC is based around modelling and simulating flows. Previously, the distinction between resource consumer and provider, and input and output caused some confusion. By switching to a flow-based model, this distinction is now clear (as in, the water flows from source to consumer/sink).
2021-09-17refactor(telemetry): Create separate MeterProvider per service/hostFabian Mastenbroek
This change refactors the telemetry implementation by creating a separate MeterProvider per service or host. This means we have to keep track of multiple metric producers, but that we can attach resource information to each of the MeterProviders like we would in a real world scenario.
2021-08-25build: Upgrade to OpenTelemetry 1.5Fabian Mastenbroek
This change upgrades the OpenTelemetry dependency to version 1.5, which contains various breaking changes in the metrics API.
2021-06-21simulator: Re-organize compute simulator moduleFabian Mastenbroek
This change re-organizes the classes of the compute simulator module to make a clearer distinction between the hardware, firmware and software interfaces in this module.
2021-06-17faas: Rename opendc-serverless to opendc-faasFabian Mastenbroek
This change renames the opendc-serverless module to opendc-faas to better distinguish between the two terms (Serverless and FaaS) and be clearer about the intent of the module. The opendc-faas module holds the code for the FaaS platform on top of OpenDC. Although this is one approach of doing serverless, serverless can also entail other services that will not be covered by this module.