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This change removes the explicit dependency on FontAwesome. PatternFly
also ships with the FontAwesome icons, so use these icons instead to
reduce the footprint of the application.
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This change adds the log4j-core dependency to various modules of OpenDC
using log4j2, to ensure logging keeps working. The upgrade to SLF4J 2.0 broke
the Log4j2 functionality, since the log4j-core artifact is not
automatically shipped with the SLF4J implementation.
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This change re-implements the OpenDC compute simulator framework using
the new flow2 framework for modelling multi-edge flow networks. The
re-implementation is written in Java and focusses on performance and
clean API surface.
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This change addresses an issue with the topology sidebar where hovering
a CPU or GPU would not present the correct information due to bug.
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This change fixes an issue with the OpenDC web runner where the default
job timeout was set to 10 ms instead of 10 minutes. For longer
simulations, this would cause the job to be terminated.
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This change resolves an issue in the web runner where the finished VMs
would always be reported as zero.
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This change updates the OpenDC web UI to show the monthly simulation
budget of the user in the user dropdown. This provides the user with a
progress bar of the used simulation minutes.
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This change updates the Quarkus-based web server with a new endpoint for
querying data about the active user including accounting data.
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This change updates the Quarkus-based web server to add support for
tracking and limiting the simulation minutes used by the user in order
to prevent misuse of shared resources.
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This change updates the Quarkus-based web server to limit the default
exception mapper to just WebApplicationException. Other exceptions
should be considered internal server errors and must not be shared with
users.
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This change updates the build configuration to use Spotless for code
formating of both Kotlin and Java.
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This change updates the repository to remove the use of wildcard imports
everywhere. Wildcard imports are not allowed by default by Ktlint as
well as Google's Java style guide.
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This change updates the build script in preparation for the OpenDC v3.0
release changing the version numbers to the appropriate values.
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This change renames the method `runBlockingSimulation` to
`runSimulation` to put more emphasis on the simulation part of the
method. The blocking part is not that important, but this behavior is
still described in the method documentation.
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This change updates the implementation of `SimulationDispatcher` to use
a (possibly user-provided) `SimulationScheduler` for managing the
execution of the simulation and future tasks.
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This change removes the Topology interface from the
`opendc-experiments-compute` module, which was meant for provisioning
the experimental topology. Howerver, with the stateless `HostSpec`
class, it is not needed to resolve the topology everytime.
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This change integrates the classes from the old
`opendc-compute-workload` module into the `opendc-experiments-compute`
module. This new module contains helper classes for setting up
experiments with the OpenDC compute service.
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This change updates the OpenDC web runner to use the new
`opendc-experiments-base` module for setting up the experimental
environment and simulate the workload.
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This change updates the interface of `ComputeService` to provide access
to the instances (servers) that have been registered with the compute
service. This allows metric collectors to query the metrics of the
servers that are currently running.
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This change updates the `ComputeServiceHelper` class to provide the
failure model via a parameter to the `run` method instead of constructor
parameter. This separates the construction of the topology from the
simulation of the workload.
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This change updates the virtual machine performance interference model
so that the interference domain can be constructed independently of the
interference profile. As a consequence, the construction of the topology
now does not depend anymore on the interference profile.
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This change moves the Random dependency outside the interference model,
to allow the interference model to be completely immutable and passable
between different simulations.
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This change updates the web interface to use the composable table API
offered by PatternFly 4. This has replaced the legacy table API which
will be removed in the next major version of PatternFly.
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This change fixes an issue where the deletion of portfolios would fail
due to no transaction context being active.
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This change fixes an issue with the web interface where the sidebar
would overflow due to the large number of rack slots that are displayed
in the sidebar.
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This change fixes an issue where switching between different topologies
would fail due to stale Redux state. We have updated the components to
take into account that ids may not exist in the Redux store.
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This change updates the OpenDC web interface to use the PatternFly
Charts package to render the results of a portfolio. Previously, we used
Recharts, but this package does not support SSR, whereas the PatternFly
Charts package matches our design framework.
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This change updates the design of the projects page to use a gallery
overview.
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This change reduces the height of the application header to 3.5rem to
increase the screen real-estate that we can use for the application
content.
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This change moves the project selector into the masthead since it
affects the whole application. This follows the PatternFly guidelines.
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This change addresses an issue with the context selector component where
the dropdown would fall behind a sticky tab bar in the main content.
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This change replaces the classnames dependency for the clsx dependency,
which uses less code and is in general faster than the classnames
dependency.
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This change fixes an issue with the web interface where all available
metrics were shown to the user, instead of the metrics belonging to the
portfolio.
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This change addresses an issue where a new topology did not correctly
clone an existing topology.
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This change fixes an issue with the OpenDC web interface where the user
cannot remove an existing topology from the topology table due to a
programming mistake.
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This change updates the dependencies of the OpenDC web interface were
possible. We remain on React 17 until PatternFly adds support for the
new React version.
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This change updates the build script of the OpenDC web server to include
the sample traces in the repository.
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This change fixes the Dockerfile for the OpenDC web server by also
providing the custom Auth0 configuration values during build time of the
image. These settings cannot be changed during runtime, so we need to
declare them in the Dockerfile.
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This change fixes the Docker deployment of the OpenDC web UI. There have
been several updates to the build process of the web UI, which have not
taken into account the Docker deployment process. This change addresses
these discrepancies.
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This change updates the Quarkus-based web server to use Flyway for
migrating between schema versions. This enables us to evolve the schema
and denote it in SQL.
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This change updates the Quarkus configuration of the OpenDC web server
to serve as a fully standalone distribution that is capable of serving
the web UI, web API, and experiment runner. Such an approach vastly
simplifies local deployments.
For Docker deployments, we create a custom Quarkus profile that uses
PostgreSQL and disables the web UI.
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This change updates the web server configuration to reduce the logging
output produced by simulation runs.
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This change updates the Quarkus extension for the OpenDC runner to avoid
the REST layer if possible, by providing an implementation of `JobManager`
that directly communicates with the `JobService`. This means the runner
does not have to traverse the authentication layer.
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This change introduces a new interface `JobManager` that is responsible
for communicating with the backend about the available jobs and updating
their status when the runner is simulating a job. This manager can be
injected into the `OpenDCRunner` class and allows users to provide
different sources for the jobs, not only the current REST API.
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This change updates the runner configuration to support specifying the
parallelism as zero to let the runtime decide the appropriate number of
threads based on the available CPU cores on the machine.
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This change fixes an issue with the OpenDC web runner where it would
report NaN values for some of the metrics due to the topology being
empty. This in turn causes issues in the frontend.
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This change updates the web runner implementation to gracefully exit the
current thread when interrupted.
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This change updates the OpenDC web runner implementation to use the
correct context ClassLoader for simulation jobs running inside a
ForkJoinPool. By default, the ForkJoinPool will use the system class
loader which does not have access to the services needed by the web
runner.
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This change updates the Quarkus extension to register all the available
trace formats that are on the class path during processing time.
Without this change, the OpenDC web runner is unable to load any of the
available trace formats via Quarkus.
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This change updates the simulator dependencies to the latest available
version where possible.
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