cs-codex-dist-tests/KubernetesWorkflow/StartupWorkflow.cs

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using Logging;
namespace KubernetesWorkflow
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{
public class StartupWorkflow
{
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private readonly BaseLog log;
private readonly WorkflowNumberSource numberSource;
private readonly K8sCluster cluster;
private readonly KnownK8sPods knownK8SPods;
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private readonly RecipeComponentFactory componentFactory = new RecipeComponentFactory();
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internal StartupWorkflow(BaseLog log, WorkflowNumberSource numberSource, K8sCluster cluster, KnownK8sPods knownK8SPods)
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{
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this.log = log;
this.numberSource = numberSource;
this.cluster = cluster;
this.knownK8SPods = knownK8SPods;
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}
public RunningContainers Start(int numberOfContainers, Location location, ContainerRecipeFactory recipeFactory, StartupConfig startupConfig)
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{
return K8s(controller =>
{
var recipes = CreateRecipes(numberOfContainers, recipeFactory, startupConfig);
var runningPod = controller.BringOnline(recipes, location);
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return new RunningContainers(startupConfig, runningPod, CreateContainers(runningPod, recipes));
});
}
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public void Stop(RunningContainers runningContainers)
{
K8s(controller =>
{
controller.Stop(runningContainers.RunningPod);
});
}
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public void DownloadContainerLog(RunningContainer container, ILogHandler logHandler)
{
K8s(controller =>
{
controller.DownloadPodLog(container.Pod, container.Recipe, logHandler);
});
}
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public string ExecuteCommand(RunningContainer container, string command, params string[] args)
{
return K8s(controller =>
{
return controller.ExecuteCommand(container.Pod, container.Recipe.Name, command, args);
});
}
public void DeleteAllResources()
{
K8s(controller =>
{
controller.DeleteAllResources();
});
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}
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private RunningContainer[] CreateContainers(RunningPod runningPod, ContainerRecipe[] recipes)
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{
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log.Debug();
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return recipes.Select(r => new RunningContainer(runningPod, r, runningPod.GetServicePortsForContainerRecipe(r))).ToArray();
}
private ContainerRecipe[] CreateRecipes(int numberOfContainers, ContainerRecipeFactory recipeFactory, StartupConfig startupConfig)
{
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log.Debug();
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var result = new List<ContainerRecipe>();
for (var i = 0; i < numberOfContainers; i++)
{
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result.Add(recipeFactory.CreateRecipe(i ,numberSource.GetContainerNumber(), componentFactory, startupConfig));
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}
return result.ToArray();
}
private void K8s(Action<K8sController> action)
{
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var controller = new K8sController(log, cluster, knownK8SPods, numberSource);
action(controller);
controller.Dispose();
}
private T K8s<T>(Func<K8sController, T> action)
{
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var controller = new K8sController(log, cluster, knownK8SPods, numberSource);
var result = action(controller);
controller.Dispose();
return result;
}
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}
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public interface ILogHandler
{
void Log(Stream log);
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}
public abstract class LogHandler : ILogHandler
{
public void Log(Stream log)
{
using var reader = new StreamReader(log);
var line = reader.ReadLine();
while (line != null)
{
ProcessLine(line);
line = reader.ReadLine();
}
}
protected abstract void ProcessLine(string line);
}
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}