/// <summary>
/// Generate the HCL tfvars file
/// </summary>
static string GenerateHclVariables(JObject parsedProperties, IImmutableVariableDictionary variableDictionary, Metadata metadata)
{
var properties = GetPropertiesAsList(parsedProperties, metadata, GetHclVariableValue);
var asStr = string.Join("\n", properties);
return(variableDictionary.EvaluateIgnoringErrors(asStr) !);
}
/// <summary>
/// Generate the JSON tfvars.json file
/// </summary>
static string GenerateJsonVariables(JObject parsedProperties, IImmutableVariableDictionary variableDictionary, Metadata metadata)
{
var properties = GetPropertiesAsList(parsedProperties, metadata, GetJsonVariableValue);
var asJson = "{" + string.Join(",", properties) + "}";
return(variableDictionary.EvaluateIgnoringErrors(asJson) !);
}
/// <summary>
/// When variables are supplied from the UI (i.e. not from a package), all values are strings.
/// So maps and lists are just strings, even though they should be objects.
///
/// This method find variables that should be objects, and parses the strings sent in
/// into real objects.
/// </summary>
public static string ConvertStringPropsToObjects(
TerraformTemplateFormat terraformTemplateFormat,
IImmutableVariableDictionary variableDictionary,
string variables,
Metadata metadata)
{
var parsedProperties = JObject.Parse(variables);
RemoveEmptyVariables(parsedProperties);
switch (terraformTemplateFormat)
{
case TerraformTemplateFormat.Json:
return(GenerateJsonVariables(parsedProperties, variableDictionary, metadata));
case TerraformTemplateFormat.Hcl:
return(GenerateHclVariables(parsedProperties, variableDictionary, metadata));
default:
throw new ArgumentOutOfRangeException(nameof(terraformTemplateFormat), terraformTemplateFormat, null);
}
}
public static string TemplateParameters(string parametersJson, IReadOnlyDictionary <string, string?> parameterMetadata, IImmutableVariableDictionary contextVariables)
{
using (var stringWriter = new StringWriter())
using (JsonWriter writer = new JsonTextWriter(stringWriter))
{
writer.Formatting = Formatting.Indented;
var jObject = JObject.Parse(parametersJson, new JsonLoadSettings {
CommentHandling = CommentHandling.Ignore, LineInfoHandling = LineInfoHandling.Ignore
});
writer.WriteStartObject();
foreach (var pair in jObject)
{
var propertyName = pair.Key;
var selectToken = pair.Value?.SelectToken("value");
string?propertyValue;
if (selectToken is JValue jValue)
{
propertyValue = jValue.Value?.ToString();
}
else
{
propertyValue = selectToken?.ToString(Formatting.None);
}
var evaluatedValue = contextVariables.EvaluateIgnoringErrors(propertyValue);
writer.WritePropertyName(propertyName);
writer.WriteStartObject();
writer.WritePropertyName("value");
switch (parameterMetadata[propertyName]?.ToLower())
{
case "string":
case "securestring":
writer.WriteValue(evaluatedValue);
break;
case "int":
Int32.TryParse(evaluatedValue, out var intResult);
writer.WriteValue(intResult);
break;
case "bool":
Boolean.TryParse(evaluatedValue, out var boolResult);
writer.WriteValue(boolResult);
break;
default:
writer.WriteRawValue(evaluatedValue);
break;
}
writer.WriteEndObject();
}
writer.WriteEndObject();
writer.Flush();
return(stringWriter.ToString());
}
}
