OMNeT++ simulation distributor

Command line tools and usage

Install

go install cmd/worker/opp_offload_worker.go
go install cmd/run/opp_offload_run.go
go install cmd/config/opp_offload_config.go
go install cmd/broker/opp_offload_broker.go

opp_offload_config

Helps you to create a global and local omnetpp_offload configuration files

Usage of opp_offload_config:
  -broker string
        set broker address
  -jobs int
        set how many jobs should be started (default 8)
  -name string
        set worker name (default "Patricks-MBP")
  -paths
        print paths
  -port int
        set broker port (default 8888)
  -save
        persist config globally
  -stargate int
        set stargate port (default 8889)

opp_offload_broker

The broker connects providers and workers

Usage of opp_offload_broker:
  -broker string
        set broker address
  -port int
        set broker port (default 8888)
  -stargate int
        set stargate port (default 8889)

opp_offload_worker

The worker starts an OMNeT++ work provider for you

Usage of opp_offload_worker:
  -broker string
        set broker address
  -clean
        clean all cache files
  -jobs int
        set how many jobs should be started (default 8)
  -name string
        set worker name (default "Patricks-MBP")
  -port int
        set broker port (default 8888)
  -stargate int
        set stargate port (default 8889)

opp_offload_run

opp_offload_run will offload simulations for you

Usage of opp_offload_run:
  -broker string
        set broker address
  -config string
        set simulation config JSON
  -path string
        set simulation path (default ".")
  -port int
        set broker port (default 8888)
  -stargate int
        set stargate port (default 8889)
  -timeout duration
        set timeout for execution (default 3h0m0s)

Install and run with Docker

• Get Docker image docker pull pzierahn/omnetpp_offload
• Start worker docker run --rm --security-opt=seccomp:unconfined pzierahn/omnetpp_offload opp_offload_worker -broker 85.214.35.83 -name `hostname -s`

Build and upload docker images

Build cross-platform images for amd64 and arm64.

docker buildx build \
    --push \
    --platform linux/arm64,linux/amd64 \
    --tag pzierahn/omnetpp_offload:latest .

Build alternative: docker build -t pzierahn/omnetpp_offload .

Run example simulations

go run cmd/run/opp_offload_run.go -path ~/github/TaskletSimulator
go run cmd/run/opp_offload_run.go -path evaluation/tictoc
SCENARIO=test-scenario TRAIL=1 go run cmd/run/opp_offload_run.go -path evaluation/tictoc

Install and run broker

go install cmd/broker/opp_offload_broker.go
nohup opp_offload_broker > opp_offload_broker.log 2>&1 &

Developer Notes

Install protobuf dependencies.

go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest

go get -u google.golang.org/grpc
GOOS=linux GOARCH=amd64 go build cmd/consumer/opp_offload_run.go