private async Task <string> RunSingleImageBuild(DockerfileBuild imageBuild, string proxyNetworkId, IReadOnlyDictionary <string, string> buildMapping, IOutputObserver outputObserver, CancellationToken cancellationToken)
{
string id = imageBuild.FromCommand.Image;
if (id == "scratch")
{
throw new Exception("FROM scratch is not supported");
}
var state = await InitialBuildState(id);
foreach (var command in imageBuild.Commands)
{
var prevId = id;
id = command switch {
RunExecCommand runExec => await HandleRunExecCommand(state, proxyNetworkId, runExec, outputObserver, cancellationToken),
RunShellCommand runShell => await HandleRunShellCommand(state, proxyNetworkId, runShell, outputObserver, cancellationToken),
_ => throw new Exception("Unexpected command"),
};
if (prevId != imageBuild.FromCommand.Image)
{
await docker.Images.DeleteImageAsync(prevId, new ImageDeleteParameters(), cancellationToken);
}
state.Id = id;
}
return(id);
}
private Task <string> HandleRunExecCommand(BuildState state, string proxyNetworkId, RunExecCommand runExec, IOutputObserver outputObserver, CancellationToken cancellationToken) => HandleRunCommandCommon(state, proxyNetworkId, runExec.BuildArgs, runExec.ExecCommand, outputObserver, cancellationToken);