protected override void EndProcessing()
{
if (Body != null)
{
WriteArmArrayElement(Body);
return;
}
var armArray = new ArmArray();
for (int i = 0; i < Values.Length; i++)
{
object currVal = Values[i];
if (!ArmElementConversion.TryConvertToArmElement(currVal, out ArmElement element))
{
this.ThrowTerminatingError(
new InvalidCastException($"Unable to convert value '{currVal}' of type '{currVal.GetType()}' to type '{typeof(ArmElement)}'"),
"InvalidArmTypeCase",
ErrorCategory.InvalidArgument,
currVal);
return;
}
armArray.Add(element);
}
WriteObject(armArray);
}
private IReadOnlyDictionary <IArmString, ArmElement> GetTemplateParameters()
{
if (Parameters is null)
{
return(null);
}
var parameters = new Dictionary <IArmString, ArmElement>();
foreach (DictionaryEntry entry in Parameters)
{
if (!ArmElementConversion.TryConvertToArmString(entry.Key, out IArmString key))
{
throw new ArgumentException($"Cannot convert hashtable key '{entry.Key}' of type '{entry.Key.GetType()}' to ARM string");
}
if (!ArmElementConversion.TryConvertToArmElement(entry.Value, out ArmElement value))
{
if (entry.Value is SecureString)
{
throw new ArgumentException($"Cannot provide secure string values for template publication. Provide these at template deployment time");
}
throw new ArgumentException($"Cannot convert hashtable value '{entry.Value}' of type '{entry.Value.GetType()}' to ARM element");
}
parameters[key] = value;
}
return(parameters);
}
private bool TryGetAllowedValues(ParameterAst parameter, out ArmArray allowedValues)
{
if (parameter.Attributes is null)
{
allowedValues = null;
return(false);
}
foreach (AttributeBaseAst attributeBase in parameter.Attributes)
{
if (attributeBase is not AttributeAst attribute ||
attribute.TypeName.GetReflectionType() != typeof(ValidateSetAttribute) ||
attribute.PositionalArguments is null ||
attribute.PositionalArguments.Count == 0)
{
continue;
}
allowedValues = new ArmArray();
foreach (ExpressionAst allowedExpression in attribute.PositionalArguments)
{
if (!ArmElementConversion.TryConvertToArmElement(allowedExpression.SafeGetValue(), out ArmElement allowedArmElement))
{
throw new ArgumentException($"ValidateSet value '{allowedExpression}' on parameter '{parameter.Name}' is not a value ARM value");
}
allowedValues.Add(allowedArmElement);
}
return(true);
}
allowedValues = null;
return(false);
}
protected ArmElement GetParameterValue(ParameterAst parameter, List <PSVariable> variables)
{
if (parameter.DefaultValue is null)
{
return(null);
}
// We need to supply the predefined variables here, so must use the ScriptBlock.InvokeWithContext() method
// This relies on this method being executed on the pipeline thread
// So any attempt to make this asynchronous or parallelize it will lead to subtle bugs
Collection <PSObject> result = ScriptBlock
.Create(parameter.DefaultValue.Extent.Text)
.InvokeWithContext(functionsToDefine: null, variables);
object input = result.Count == 1 ? result[0] : result;
// Define the variable for use in the next parameter evaluation
variables.Add(new PSVariable(parameter.Name.VariablePath.UserPath, input));
if (!ArmElementConversion.TryConvertToArmElement(input, out ArmElement armElement))
{
throw new ArgumentException($"Unable to convert value '{parameter.DefaultValue}' to ARM value");
}
return(armElement);
}
