/// <summary>
/// Provisions/destroys infrastructure.
/// </summary>
/// <param name="provision">The delegate to call after the infrastructure
/// configuration has been loaded.</param>
/// <param name="dryrun">Whether or not this is a dryrun.</param>
private void Process(Provision provision, bool dryrun)
{
Validate();
var platform = LoadPlatform();
var infrastructure = platform.Load(Yaml.GetRootNode());
provision(platform, infrastructure, dryrun);
}
/// <summary>
/// Loads the platform configuration from the given YAML.
/// </summary>
/// <returns>The platform configuration loaded from the given YAML.</returns>
/// <exception cref="KeyNotFoundException">If the platform key is not present
/// inside the configuration..</exception>
/// <exception cref="ArgumentException">If the platform is not
/// supported.</exception>
public IPlatform LoadPlatform()
{
var root = Yaml.GetRootNode();
var platformName = root.GetKey("platform", required: true);
var availablePlatforms = GetAvailablePlatforms(Assembly);
var platformSettings = new PlatformSettings(ApiKey, ApiUrl);
if (availablePlatforms.TryGetValue(platformName, out var platform))
{
return(platform(platformSettings));
}
var line = root.GetNode("platform").Start.Line;
var availablePlatformsText = string.Join(
", ", availablePlatforms.Keys);
throw new ArgumentException(
$"Unknown platform {platformName} (line {line}). Available "
+ $"platforms are: {availablePlatformsText}");
}
/// <summary>
/// Validates the YAML configuration to ensure correctness.
/// </summary>
/// <exception cref="AgrixValidationException">If there is a validation
/// error.</exception>
public void Validate()
{
IPlatform platform;
try
{
platform = LoadPlatform();
}
catch (KeyNotFoundException e)
{
throw new AgrixValidationException("platform key is missing", e);
}
catch (ArgumentException e)
{
throw new AgrixValidationException(e.Message, e);
}
try
{
platform.TestConnection();
}
catch (Exception e)
{
throw new AgrixValidationException(e.Message, e);
}
try
{
platform.Load(Yaml.GetRootNode());
}
catch (KnownKeyNotFoundException <string> e)
{
throw new AgrixValidationException(
$"scripts validation error: {e.Message}", e);
}
}