protected void FetchHelmDependencies(DeploymentRendererContext context)
{
var requirementsLockFile = context.WorkingDirectory.GetFilePath("requirements.lock");
if (requirementsLockFile.Exists)
{
requirementsLockFile.Delete();
}
var processStartInfo = new ProcessStartInfo("helm")
{
WorkingDirectory = context.WorkingDirectory.FullName,
RedirectStandardError = true,
RedirectStandardOutput = true
};
processStartInfo.ArgumentList.Add("dependency");
processStartInfo.ArgumentList.Add("build");
var process = new Process()
{
StartInfo = processStartInfo
};
process.OutputDataReceived += (sender, args) => { /* do nothing */ };
process.ErrorDataReceived += (sender, args) => { /* do nothing */ };
process.Start();
process.WaitForExit();
}
public override void Render(DeploymentRendererContext context)
{
var helmContext = (HelmRendererContext)context;
var processStartInfo = new ProcessStartInfo("helm");
processStartInfo.ArgumentList.Add("template");
processStartInfo.ArgumentList.Add(context.Name);
processStartInfo.ArgumentList.Add(".");
processStartInfo.WorkingDirectory = context.WorkingDirectory.FullName;
helmContext.ValueFiles.ForEach(x =>
{
processStartInfo.ArgumentList.Add("-f");
processStartInfo.ArgumentList.Add(x);
});
var namespaceName = context.Namespace;
if (!string.IsNullOrEmpty(namespaceName))
{
processStartInfo.ArgumentList.Add("--namespace");
processStartInfo.ArgumentList.Add(namespaceName);
}
var environmentalVariables = new List <string>();
if (context.Cluster != null)
{
environmentalVariables.Add($"cluster={context.Cluster}");
}
if (context.Environment != null)
{
environmentalVariables.Add($"environment={context.Environment}");
}
if (context.SubVertical != null)
{
environmentalVariables.Add($"subvertical={context.SubVertical}");
}
if (context.Vertical != null)
{
environmentalVariables.Add($"vertical={context.Vertical}");
}
processStartInfo.ArgumentList.Add("--set-string");
processStartInfo.ArgumentList.Add(string.Join(",", environmentalVariables));
if (_globalArguments.Value.Verbose)
{
Console.WriteLine($"{processStartInfo.FileName} {string.Join(" ", processStartInfo.ArgumentList)}");
}
Process.Start(processStartInfo)?.WaitForExit();
}
public override void Initialize(DeploymentRendererContext context)
{
FetchHelmDependencies(context);
var helmContext = (HelmRendererContext)context;
if (helmContext.Chart != null)
{
Fetch(context);
}
}
public override void Fetch(DeploymentRendererContext context)
{
var helmContext = (HelmRendererContext)context;
var chart = helmContext.Chart !;
var processStartInfo = new ProcessStartInfo("helm")
{
WorkingDirectory = context.WorkingDirectory.FullName
};
processStartInfo.ArgumentList.Add("fetch");
processStartInfo.ArgumentList.Add(chart.Name);
chart.Version.IsNotNullOrEmpty(s =>
{
processStartInfo.ArgumentList.Add("--version");
processStartInfo.ArgumentList.Add(s);
});
processStartInfo.ArgumentList.Add("--repo");
processStartInfo.ArgumentList.Add(chart.Repository.Url);
chart.Repository.Is <UsernamePasswordAuthHelmChartRepository>()
.Do(authHelmChartRepository =>
{
processStartInfo.ArgumentList.Add("--username");
processStartInfo.ArgumentList.Add(authHelmChartRepository.Credentials.UserName);
processStartInfo.ArgumentList.Add("--password");
processStartInfo.ArgumentList.Add(authHelmChartRepository.Credentials.Password);
}
);
var chartOutputPath = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("D"));
processStartInfo.ArgumentList.Add("--destination");
processStartInfo.ArgumentList.Add(chartOutputPath);
processStartInfo.ArgumentList.Add("--untar");
var process = Process.Start(processStartInfo);
if (process == null)
{
throw new InvalidOperationException("Could not fetch helm chart [failed to start process]");
}
process.WaitForExit();
// helm always extracts the chart to a subfolder, so we get the first subdirectory
var chartOutputDirectory = new DirectoryInfo(chartOutputPath);
var chartDirectory = chartOutputDirectory.GetDirectories().First();
chartDirectory.CopyRecursive(context.WorkingDirectory);
}
public abstract void Render(DeploymentRendererContext context);
public abstract void Initialize(DeploymentRendererContext context);