internal Option <string> ParseURI(string uri, IEnvironmentWrapper env)
{
Option <string> parsedURI = Option.None <string>();
Match matchHost = ImageUpstreamRegex.Match(uri);
if (matchHost.Success &&
(matchHost.Groups["post"]?.Length > 0))
{
string hostAddress = env.GetVariable(Core.Constants.GatewayHostnameVariableName).
Expect(() => new InvalidOperationException($"Could not find environment variable: {Core.Constants.GatewayHostnameVariableName}"));
parsedURI = Option.Some(matchHost.Groups["pre"].Value + hostAddress + matchHost.Groups["post"].Value);
}
return(parsedURI);
}
internal static string ValidateAndGetImage(string image, IEnvironmentWrapper env)
{
image = Preconditions.CheckNonWhiteSpace(image, nameof(image)).Trim();
if (image[0] == '$')
{
Match matchHost = ImageUpstreamRegex.Match(image);
if (matchHost.Success &&
(matchHost.Groups["path"]?.Length > 0))
{
string hostAddress = env.GetVariable(Core.Constants.GatewayHostnameVariableName).
Expect(() => new InvalidOperationException($"Could not find environment variable: {Core.Constants.GatewayHostnameVariableName}"));
image = hostAddress + matchHost.Groups["path"].Value;
}
else
{
throw new ArgumentException($"Image {image} is not in the right format.If your intention is to use an environment variable, check the port is specified.");
}
}
Match match = ImageRegex.Match(image);
if (match.Success)
{
if (match.Groups["tag"]?.Length > 0)
{
return(image);
}
else
{
return(Invariant($"{image}:{Constants.DefaultTag}"));
}
}
else
{
throw new ArgumentException($"Image {image} is not in the right format");
}
}