private async Task OnChanged(DockerGenConfiguration configuration)
{
await configuration.NotifyContainers.Keys.ForEachAsync(async containerId =>
{
await Client.Containers.KillContainerAsync(containerId, new ContainerKillParameters()
{
Signal = configuration.NotifyContainers[containerId].ToString()
});
});
}
private async Task <IList <ContainerListResponse> > GetContainers(DockerGenConfiguration configuration)
{
var all = await Client.Containers.ListContainersAsync(new ContainersListParameters()
{
All = configuration.IncludeStopped
});
if (configuration.OnlyPublished)
{
all = all.Where(c => c.Ports.Any()).ToList();
}
return(all);
}
protected async void OnTriggered(DockerGenConfiguration configuration)
{
var containers = await GetContainers(configuration);
var writer = new SimpleWriter();
var template = _templateFactory.GenerateFromPath(configuration.Template);
var containerInspections = containers
.Select(c => c.ID)
.Select(containerId => Client.Containers.InspectContainerAsync(containerId).Result)
.ToList();
await template.Execute(containerInspections, writer);
var generatedContents = writer.Written;
var targetFile = configuration.Destination;
if (!Path.IsPathRooted(targetFile))
{
targetFile = Path.Combine(Directory.GetCurrentDirectory(), targetFile);
}
var currentFileContents = "";
if (File.Exists(targetFile))
{
currentFileContents = File.ReadAllText(targetFile);
}
if (currentFileContents == "" || currentFileContents != generatedContents)
{
//Change detected lets write the contents
File.Delete(targetFile);
File.Create(targetFile);
await File.WriteAllTextAsync(targetFile, generatedContents);
await OnChanged(configuration);
}
}
private static void ConfigureDockerGenConfigurations(IServiceCollection services)
{
services.AddSingleton<IEnumerable<DockerGenConfiguration>>(provider =>
{
var configuration = provider.GetRequiredService<IConfiguration>();
var configurationsSection = configuration.GetSection("configuration");
var dockerGenConfigurations = new List<DockerGenConfiguration>();
foreach (var configurationSection in configurationsSection.GetChildren())
{
var dockerGenConfiguration = new DockerGenConfiguration();
configurationSection.Bind(dockerGenConfiguration);
dockerGenConfigurations.Add(dockerGenConfiguration);
}
if (dockerGenConfigurations.Any()) return dockerGenConfigurations;
var localConfiguration = new DockerGenConfiguration();
configuration.Bind(localConfiguration);
dockerGenConfigurations.Add(localConfiguration);
return dockerGenConfigurations;
});
}
