cs-codex-dist-tests/DistTestCore/Marketplace/GethCompanionNodeStarter.cs

using KubernetesWorkflow;

namespace DistTestCore.Marketplace
{
    public class GethCompanionNodeStarter
    {
        private readonly TestLifecycle lifecycle;
        private readonly WorkflowCreator workflowCreator;

        public GethCompanionNodeStarter(TestLifecycle lifecycle, WorkflowCreator workflowCreator)
        {
            this.lifecycle = lifecycle;
            this.workflowCreator = workflowCreator;
        }

        public GethCompanionNodeInfo[] StartCompanionNodesFor(CodexSetup codexSetup, GethBootstrapNodeInfo bootstrapNode)
        {
            Log($"Initializing companions for {codexSetup.NumberOfNodes} Codex nodes.");

            var startupConfig = CreateCompanionNodeStartupConfig(bootstrapNode);

            var workflow = workflowCreator.CreateWorkflow();
            var containers = workflow.Start(codexSetup.NumberOfNodes, Location.Unspecified, new GethContainerRecipe(), startupConfig);
            if (containers.Containers.Length != codexSetup.NumberOfNodes) throw new InvalidOperationException("Expected a Geth companion node to be created for each Codex node. Test infra failure.");

            Log("Initialized companion nodes.");

            return containers.Containers.Select(c => CreateCompanionInfo(workflow, c)).ToArray();
        }

        private GethCompanionNodeInfo CreateCompanionInfo(StartupWorkflow workflow, RunningContainer container)
        {
            var extractor = new GethInfoExtractor(workflow, container);
            var account = extractor.ExtractAccount();
            return new GethCompanionNodeInfo(container, account);
        }

        private StartupConfig CreateCompanionNodeStartupConfig(GethBootstrapNodeInfo bootstrapNode)
        {
            var config = new StartupConfig();
            config.Add(new GethStartupConfig(false, bootstrapNode.GenesisJsonBase64));
            return config;
        }

        private void Log(string msg)
        {
            lifecycle.Log.Log(msg);
        }
    }
}